40.81544 40.91544 -123.69388 -123.59388 UC/JEPS: Consortium Search Results
Search Results — 487 specimen records retrieved (487 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC54602  Abies concolor Overton, Butler 1979-7-24 9684 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC57158  Acer glabrum var. torreyi Overton, Butler 1979-7-26 9957 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  HSC57033  Acer macrophyllum Overton, Butler 1979-7-24 9664 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC73777  Achillea millefolium M. A. Baker 1980-6-7 1770 Humboldt Near Brush Mtn. 1128 Comment
  HSC57026  Achlys triphylla Overton, Butler 1979-7-24 9647 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  CAS-BOT-BC210650  Achnatherum lemmonii Joseph P. Tracy 1927-5-14 8000 Humboldt Trinity River Valley, near the South Fork 182 Comment
  CAS-BOT-BC210656  Achnatherum lemmonii Joseph P. Tracy 1927-5-14 8000 Humboldt Trinity River Valley, near the South Fork 182 Comment
  UC526666  Achnatherum lemmonii Joseph P. Tracy 1927-5-14 8000 Humboldt near south fork Trinity River (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC55637  Aconitum columbianum subsp. columbianum Overton, Butler 1979-7-24 9668 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  HSC76192  Aconitum columbianum subsp. columbianum Overton, Butler 1979-7-24 9790 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC55677  Actaea rubra Overton, Butler 1979-7-26 9924 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek. 1326 Comment
  HSC57018  Adenocaulon bicolor Overton, Butler 1979-7-24 9630 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC76187  Adenocaulon bicolor Overton, Butler 1979-7-24 9785 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC54594  Adiantum aleuticum Overton, Butler 1979-7-24 9665 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC31797  Aesculus californica Steve Selva, Roger Jensen 1974-8-27 80 Humboldt W of Humboldt-Trinity co. line on Hwy. 299 Comment
  RSA178539  Aesculus californica Joseph P. Tracy 1950-6-21 18856 Humboldt Trinity River Valley, near the South Fork: At mouth of South Fork, on west side. 183 Comment
  UC1222303  Aesculus californica Joseph P. Tracy 1950-6-21 18856 Humboldt w side mouth of South Fork (near the South Fork); Trinity River Valley 182 Comment
  UC526891  Agrostis exarata Joseph P. Tracy 1932-6-14 10145 Humboldt mountainside w mouth of South Fork of Trinity River; North Coast Ranges 609 Comment
  HSC58753  Agrostis gigantea Overton, Butler 1979-7-24 9698 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC58756  Agrostis idahoensis Overton, Butler 1979-7-24 9800 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  RSA10028  Agrostis microphylla Joseph P. Tracy 1932-6-14 10145 Humboldt Mountainside west of mouth of South Fork of Trinity River 610 Comment
  CHSC36406  Agrostis stolonifera Donald M. Burk 1981-7-25 54 Humboldt At junction of Rd. 5N10 and Rd. 5N10C. 1249 Comment
  UC1145072  Agrostis viridis Joseph P. Tracy 1938-8-14 16112 Humboldt along mining ditch near South Fork; Trinity River Valley 304 Comment
  UC526890  Agrostis viridis Joseph P. Tracy 1926-7-4 7697 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC73963  Aira caryophyllea Gail Newton 1980-6-7 127 Humboldt Near Brush Mountain 1128 Comment
  UC1198195  Allium amplectens Joseph P. Tracy 1927-5-14 8004 Humboldt near South Fork; Trinity River Valley 182 Comment
  HSC99040  Alnus viridis subsp. sinuata Cara Witte 2008-7-3 831 Humboldt Friday Ridge Road/ 6N08. 1.5 mile north of intersection with 5N39. 1474 Comment
  SEINET201030  Alopecurus aequalis J. P. Tracy 1923-6-27 6381 Humboldt Trinity River Valley near the S Fork shores of Lack Pond 183 Comment
  HSC70381  Amelanchier alnifolia M. A. Baker 1980-6-7 1794 Humboldt Near Brush Mtn. 1128 Comment
  HSC55636  Amelanchier pallida Overton, Butler 1979-7-24 9662 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  HSC55633  Anemone deltoidea Overton, Butler 1979-7-24 9642 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  HSC55682  Anemone deltoidea Overton, Butler 1979-7-26 9935 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek. 1326 Comment
  HSC4650  Antennaria suffrutescens D. E. Anderson 1965-6-1 3771 Humboldt On ridge along Friday Hill Rd., about 2 mi. NE from its junction with Titlow Hill Rd. 1159 Comment
  HSC57019  Aquilegia formosa var. truncata Overton, Butler 1979-7-24 9631 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC70390  Arabis breweri var. breweri Gail Newton 1980-6-7 140 Humboldt Near Brush Mtn. 1128 Comment
  HSC57337  Arabis glabra Walter Overton, Butler 1979-7-26 10004 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1341 Comment
  HSC57106  Aralia californica Overton, Butler 1979-7-25 9842 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  CHSC26302  Arbutus menziesii Kathy M. Clemens 1977-4-8 15 Humboldt .5 mi W of Willow Creek, Hwy 299E. 93 mi W of Redding. 179 Comment
  HSC54601  Arbutus menziesii Overton, Butler 1979-7-24 9683 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC98739  Arbutus menziesii Cara Witte 2008-5-26 661 Humboldt Along Forest Service Road 5N10. 1/2 mile south of intersection with Friday Ridge Road. 1487 Comment
  JEPS66576  Arbutus menziesii W. L. Jepson 1902-7-10 2004 Humboldt South Fork Trinity River, Martin's Ranch, (Expedition) from Ukiah to the Hupa Indian Reservation South Fork Trinity River; , Martin's Ranch 396 Comment
  UC1196882  Arbutus menziesii Joseph P. Tracy 1941-3-26 16847 Humboldt w of mouth of South Fork Trinity River 457 Comment
  UC314647  Arbutus menziesii Joseph P. Tracy 1927-4-10 7895 Humboldt Trinity River Valley near the South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  CHSC85572  Arctostaphylos glandulosa L. P. Janeway 2003-7-30 7948 Humboldt High North Coast Ranges. Along Friday Ridge Road, at south end of Friday Ridge, 1.0 km (air) east-southeast of Friday Camp. Roadside. 1359 Comment
  CAS-BOT-BC38836  Arctostaphylos manzanita subsp. manzanita C. Hart Merriam 1926-9-15 s.n. Humboldt Junction, South fork of the Trinity and Trinity River Comment
  CHSC85573  Arctostaphylos nevadensis L. P. Janeway 2003-7-30 7949 Humboldt High North Coast Ranges. Along Friday Ridge Road, at south end of Friday Ridge, 1.0 km (air) east-southeast of Friday Camp. Roadside. 1359 Comment
  HSC55639  Aruncus dioicus var. acuminatus Overton, Butler 1979-7-24 9677 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  HSC55680  Aruncus dioicus var. acuminatus Overton, Butler 1979-7-26 9933 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek. 1326 Comment
  HSC57024  Asarum caudatum Overton, Butler 1979-7-24 9641 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC57145  Asarum caudatum Overton, Butler 1979-7-26 9936 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  HSC57099  Asarum hartwegii Overton, Butler 1979-7-25 9828 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  HSC57044  Asyneuma prenanthoides Overton, Butler 1979-7-24 9693 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC57103  Asyneuma prenanthoides Overton, Butler 1979-7-25 9836 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  HSC76227  Asyneuma prenanthoides Overton, Butler 1979-7-24 9772 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC41335  Athyrium filix-femina var. cyclosorum Brad Klipfel 1974-9-7 565 Humboldt Horse Mtn., E fork of Willow Creek. Comment
  HSC57111  Berberis aquifolium var. aquifolium Overton, Butler 1979-7-25 9852 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  HSC57034  Berberis nervosa Overton, Butler 1979-7-24 9666 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC57110  Berberis nervosa Overton, Butler 1979-7-25 9851 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  HSC57157  Berberis nervosa Overton, Butler 1979-7-26 9956 Humboldt Near Willow Creek, close to the town of Willow Creek 1326 Comment
  HSC70384  Berberis pinnata M. A. Baker 1980-6-7 1801 Humboldt Near Brush Mtn. 1128 Comment
  HSC16669  Boschniakia strobilacea D. E. Anderson 1965-6-1 3773 Humboldt On ridge along Friday Hill Rd., about 2 mi. from its junction with Titlow Hill Rd. 1159 Comment
  CAS-BOT-BC106297  Brickellia californica Carl B. Wolf 1931-8-31 1252 Humboldt Gravel slopes west side of South Fork of Trinity River, 1 mile above its mouth. (Sandy Bar Swimming Hole) 243 Comment
  RSA2869  Brickellia californica C. B. Wolf 1931-8-31 1252 Trinity S Fork of Trinity River. 1 mile above its mouth. 244 Comment
  UC527563  Brickellia californica C. B. Wolf 1931-8-31 Humboldt 1 mi above its mouth South Fork of Trinity River ((Sandy Bar Swimming Hole), South Fork of Trinity River) 243 Comment
  HSC45594  Briza minor Diane L. Reed 1978-5-7 60 Humboldt 2 mi. up Friday Ridge Rd. from Hwy. 299 Comment
  RSA728073  Bromus Gary D. Wallace 1979-6-24 1863 Humboldt Brush Mountain Lookout, SW of the town of Willow Creek. 1216 Comment
  RSA10079  Bromus carinatus Joseph P. Tracy 1926-5-2 7424 Humboldt Trinity River Valley, near the south fork. Comment
  UC526864  Bromus carinatus var. carinatus Joseph P. Tracy 1926-5-2 7424 Humboldt near the South Fork (Northern Coast Ranges, Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  UC249789  Bromus laevipes Joseph P. Tracy 1923-6-27 6378 Humboldt near the South Fork (Northern Coast Ranges, Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  SEINET202034 Image available Bromus orcuttianus Joseph P. Tracy 1949-7-19 18373 Humboldt Grouse Mtn. on Friday Ridge, at Friday's Camp 1219 Comment
  UC1145162  Bromus orcuttianus Joseph P. Tracy 1949-7-19 18373 Humboldt Grouse Mountain on Friday Ridge, at Friday's Camp Friday Ridge; Grouse Mountain, , Friday's Camp 1219 Comment
  UC1103351  Bromus tectorum Joseph P. Tracy 1926-5-2 7423 Humboldt near the South Fork (Northern Coast Ranges, Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  UC526729  Bromus tectorum Joseph P. Tracy 1927-5-14 7998 Humboldt near the South Fork (Northern Coast Ranges, Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC58758  Bromus vulgaris Overton, Butler 1979-7-26 9932 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  RSA10035  Bromus vulgaris Joseph P. Tracy 1926-5-2 7427 Humboldt Trinity River Valley, near the south fork. Comment
  SEINET200938 Image available Bromus vulgaris Joseph P. Tracy 1926-5-2 7427 Humboldt Trinity River Valley, near the South Fork. Comment
  UC526735  Bromus vulgaris Joseph P. Tracy 1926-5-2 7427 Humboldt Trinity River Valley near the South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UCD60241  Bromus vulgaris Joseph P. Tracy 1937-6-27 15378 Humboldt Four-mile Creek (west of mouth of South Fork of Trinity). 670 Comment
  HSC57042  Calocedrus decurrens Overton, Butler 1979-7-24 9685 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC99312  Calochortus tolmiei M. A. Baker 1980-6-7 1813 Humboldt Near Brush Mtn. 1128 Comment
  HSC65477  Calypso bulbosa M. A. Baker 1980-6-7 1800 Humboldt Near Brush Mtn. 1128 Comment
  SEINET10462973  Campanula prenanthoides Overton 1979-7-24 OVERTON 9693 Humboldt Near Friday Camp, on the Willow Creek quad., close to the town of Willow Creek 1250 Comment
  SEINET10972393  Campanula prenanthoides Overton 1979-7-25 OVERTON 9836 Humboldt Near Ammon Creek, on the Willow Creek quad., close to the town of Willow Creek 671 Comment
  HSC73768  Cardamine californica M. A. Baker 1980-6-7 1773 Humboldt Near Brush Mtn. 1128 Comment
  UC1199201  Cardamine californica Joseph P. Tracy 1926-2-28 7375 Humboldt near South Fork Trinity River (Trinity River Valley); Northern Coast Ranges, , nr South Fork T 182 Comment
  UC303009  Carex feta Joseph P. Tracy 1926-7-4 7719 Trinity near mouth of South Fork of Trinity River; Northern Coast Ranges, Donahue's ranch 243 Comment
  HSC73962  Carex multicaulis Gail Newton 1980-6-7 126 Humboldt Near Brush Mtn. 1128 Comment
  SEINET201051  Carex multicaulis J. P. Tracy 1927-3-27 7862 Humboldt Northern Coast Ranges Trinity River Valley near the South Fork 183 Comment
  JEPS26533  Castilleja applegatei subsp. martinii Joseph P. Tracy 1927-5-14 8001 Humboldt near South Fork; Trinity River Valley 182 Comment
  JEPS8683  Castilleja applegatei subsp. martinii Joseph P. Tracy 1927-5-14 8001 Humboldt near South Fork; Trinity River Valley 182 Comment
  UC582583  Castilleja applegatei subsp. pinetorum Joseph P. Tracy 1927-5-14 8001 Humboldt near South Fork; Trinity River Valley 182 Comment
  HSC76191  Castilleja miniata Overton, Butler 1979-7-24 9792 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC70378  Ceanothus cuneatus M. A. Baker 1980-6-7 1789 Humboldt Near Brush Mtn. 1128 Comment
  HSC98205  Ceanothus integerrimus D. E. Anderson 1965-5-8 3657 Humboldt W end of bridge over Trinity River, 0.5 mile S of Willow Creek. Comment
  HSC98731  Ceanothus integerrimus Cara Witte 2007-8-9 635 Humboldt Friday Ridge Road/ 6N08. 1.5 miles north of intersection with Forest Service Road 5N09. 1383 Comment
  HSC85449  Ceanothus oliganthus var. sorediatus Andrew Buchanan, et al. 1986-6-6 106 Trinity S Fork Rd. Comment
Read comments
Jan 27 2015
  HSC55641  Ceanothus velutinus var. velutinus Overton, Butler 1979-7-24 9697 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC55662  Ceanothus velutinus var. velutinus Overton, Butler 1979-7-24 9803 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC14611  Cercis occidentalis R. A. Rasp 1964-4-5 27 Humboldt 3 mi. past Willow Creek on Willow Creek Rd. Comment
  RSA2940  Cercis occidentalis Carl B. Wolf 1931-8-31 2380 Humboldt West side of South fork of Trinity River, 1 mi. above its mouth. Comment
  UC527564  Cercis occidentalis C. B. Wolf 1931-8-31 2380 Humboldt Sandy Bar Swimming Hole South Fork of Trinity River (slopes on w side of river 1 mi above its mouth) 243 Comment
  CAS-BOT-BC135532  Cercocarpus betuloides var. betuloides Joseph P. Tracy 1927-4-10 7897 Humboldt Trinity River Valley, near the South Fork 182 Comment
  UC275331  Chamaesyce serpyllifolia Joseph P. Tracy 1923-9-16 6556 Humboldt Trinity River Valley, near the South Fork Northern Coast Ranges 182 Comment
  HSC54583  Chamerion angustifolium subsp. circumvagum Overton, Butler 1979-7-24 9635 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC54691  Cheilanthes gracillima Overton, Butler 1979-7-26 9988 Humboldt Near Willow Creek 1341 Comment
  HSC73779  Chimaphila menziesii M. A. Baker 1980-6-7 1772 Humboldt Near Brush Mtn. 1128 Comment
  HSC54590  Chimaphila umbellata Overton, Butler 1979-7-24 9658 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC73778  Chimaphila umbellata M. A. Baker 1980-6-7 1771 Humboldt Near Brush Mtn. 1128 Comment
  HSC73034  Chrysolepis chrysophylla M. A. Baker 1980-6-7 1791 Humboldt Near Brush Mtn. 1128 Comment
  HSC54607  Chrysolepis chrysophylla var. minor Overton, Butler 1979-7-24 9699 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC55687  Circaea alpina subsp. pacifica Overton, Butler 1979-7-26 9970 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek. 1326 Comment
  CDA1089  Cirsium arvense J. R. Keck Jr. 1972-7-13 s.n. Trinity So. Fork Trinity River, 100 yds upstream from confluence of E. Fork Trinity. 0 Comment
  CDA37210  Cirsium occidentale B. Villegas 2008-6-17 Trinity Near Willow Creek; Friday Ridge Road. Six Rivers National Forest. Comment
  CHSC36389  Cirsium occidentale var. candidissimum Donald M. Burke 1981-8-1 67 Humboldt Along Friday Ridge Rd. 560 Comment
  HSC54582  Claytonia sibirica Overton, Butler 1979-7-24 9629 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC54677  Claytonia sibirica Overton, Butler 1979-7-26 9928 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  CHSC63433  Clintonia uniflora Vernon H. Oswald 1994-6-29 6364 Humboldt Friday Ridge Rd. (Forest Rd. 6N08) 3.5 mi NE of Tiltow Hill Rd., 4.6 mi S of Brush Mt. Lookout Rd., S of Hwy. 299 and Willow Creek. 1237 Comment
  HSC57030  Clintonia uniflora Overton, Butler 1979-7-24 9654 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC70391  Collinsia grandiflora Gail Newton 1980-6-7 120 Humboldt Near Brush Mtn. 1128 Comment
  HSC70373  Collinsia parviflora Gail Newton 1980-6-7 136 Humboldt Near Brush Mtn. 1128 Comment
  HSC70376  Collinsia parviflora M. A. Baker 1980-6-7 1783 Humboldt Near Brush Mtn. 1128 Comment
  HSC70372  Collinsia rattanii Gail Newton 1980-6-7 129 Humboldt Near Brush Mtn. 1128 Comment
  HSC70375  Collomia heterophylla M. A. Baker 1980-6-7 1780 Humboldt Near Brush Mtn. 287 Comment
  CAS-BOT-BC180242  Comandra umbellata subsp. californica Joseph P. Tracy 1927-5-15 8038 Humboldt Trinity River Valley, near the S Fork 182 Comment
  GH381611  Comandra umbellata subsp. californica J. P. Tracy 1927-5-15 8038 Unknown Trinity River Valley, near the South Fork 182 Comment
  UC672847  Comandra umbellata subsp. californica Joseph P. Tracy 1927-5-15 8038 Humboldt near the South Fork (Trinity River Valley); Trinity River Valley 182 Comment
  HSC73776  Corallorhiza maculata M. A. Baker 1980-6-7 1768 Humboldt Near Brush Mtn. 1128 Comment
  CHSC63435  Corallorhiza mertensiana Vernon H. Oswald 1994-6-29 6366 Humboldt Friday Ridge Rd. (Forest Rd. 6N08) 7.3 mi N of Titlow Hill Rd., 0.8 mi S of Brush Mtn Lookout Rd., S of Hwy. 299 and Willow Creek. 975 Comment
  HSC41339  Cornus nuttallii Brad Klipfel 1974-9-7 561 Humboldt Horse Mtn., E fork of Willow Creek. Comment
  HSC57031  Cornus nuttallii Overton, Butler 1979-7-24 9656 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC57091  Cornus sericea subsp. sericea Overton, Butler 1979-7-24 9805 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC6422  Cornus sessilis J. P. Tracy 1941-3-26 16846 Humboldt Four-Mile Creek near mouth of S Fork Trinity River. 610 Comment
  JEPS50175  Cornus sessilis W. L. Jepson 1902-7-11 2014 Humboldt river bank of S. Fork Trinity R., Martin's Ranch S. Fork Trinity R., Martin's Ranch Comment
  POM126155  Cornus sessilis Joseph P. Tracy 1921-8-21 5941 Humboldt Trinity River at mouth of South Fork. 152 Comment
  UC1196903  Cornus sessilis Joseph P. Tracy 1941-3-26 16846 Humboldt Four-mile Creek near mouth of S. Fork Trinity R. 609 Comment
  UC249592  Cornus sessilis Joseph P. Tracy 1921-8-21 5941 Humboldt Trinity R. at mouth of S. Fork <Trinity R.>; Northern Coast Ranges, Trinity R. 152 Comment
  UC502984  Cornus sessilis Joseph P. Tracy 1927-3-27 7857 Humboldt near S. Fork Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 182 Comment
  UC1197936  Corylus californica Joseph P. Tracy 1949-7-19 18375 Humboldt at Friday Camp 1219 Comment
  UC1222290  Corylus californica Joseph P. Tracy 1950-7-31 19226 Humboldt about 1 mi N of Friday's Camp (where road crosses side of Friday Ridge) Comment
  HSC57032  Corylus cornuta subsp. californica Overton, Butler 1979-7-24 9663 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC70377  Crocidium multicaule M. A. Baker 1980-6-7 1787 Humboldt Near Brush Mtn. 1128 Comment
  HSC93644  Crypsis schoenoides Gordon Leppig, Sylvia Leppig, Kai Neander 1998-9-7 1099 Trinity Six Rivers National Forest, South Fork Trinity River, W bank. 213 Comment
  SEINET201035  Cynodon dactylon var. dactylon Joseph P. Tracy 1940-10-17 16763 Humboldt South Fork Station 61 Comment
  UC1239628  Cynoglossum grande Joseph P. Tracy 1927-4-10 7902 Humboldt near the s. fork Trinity River Valley; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC54606  Dactylis glomerata Overton, Butler 1979-7-24 9690 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  RSA728072  Dactylis glomerata Gary D. Wallace 1979-7-24 1864 Humboldt Brush Mountain Lookout, SW of the town of Willow Creek. 1216 Comment
  RSA728077  Dactylis glomerata Gary D. Wallace 1979-6-24 1859 Humboldt Brush Mountain Lookout, SW of the town of Willow Creek; near Honker Timber scale (?), near lookout. 1216 Comment
  UCR32113  Delphinium trolliifolium David J. Keil 1983-7-2 17344 Humboldt 21 miles south of SR 299 along Titlow Hill Rd., SW of Willow Creek 1300 Comment
  HSC54605  Deschampsia elongata Overton, Butler 1979-7-24 9689 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC70347  Dodecatheon hendersonii M. A. Baker 1980-6-7 1815 Humboldt Near Brush Mtn. 1128 Comment
  HSC76190  Drymocallis glandulosa var. reflexa Overton, Butler 1979-7-24 9773 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  JEPS47204  Drymocallis rhomboidea Joseph P. Tracy 1927-5-14 8002 Humboldt near South Fork Trinity River (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  UC492180  Drymocallis rhomboidea Joseph P. Tracy 1927-5-14 8002 Humboldt near South Fork Trinity River (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  SEINET200660 Image available Echinochloa crus-galli J. P. Tracy 1938-8-14 16115 Humboldt Trinity River Valley near the South Fork 183 Comment
  UC1145168  Echinochloa crus-galli Joseph P. Tracy 1938-8-14 16115 Humboldt Trinity River Valley near the South Fork 182 Comment
Read comments
Jul 18 2012
  UCD60816  Echinochloa crus-galli Joseph P. Tracy 1938-8-14 16115 Humboldt Trinity River Valley, near the South Fork. 182 Comment
  UC1103650  Eleocharis parishii Joseph P. Tracy 1927-5-14 8010 Humboldt near S fork Trinity River Valley 182 Comment
  HSC100212  Elymus caput-medusae J. P. Smith 2010-6-21 12945 Humboldt Along Friday Ridge Road, 0.4 mi. from junction with Hwy. 299 233 Comment
  HSC54604  Elymus glaucus Overton, Butler 1979-7-24 9688 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC54641  Elymus glaucus Overton, Butler 1979-7-24 9813 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  UC1103478  Elymus glaucus Joseph P. Tracy 1936-6-10 14940 Humboldt near the South Fork; Trinity River Valley 304 Comment
  BLMAR386  Epilobium canum subsp. latifolium Jennifer Anthony-Wheeler 2004-9-1 386 Humboldt Horse Mtn, Growing along titlow hill road 18+ miles 1584 Comment
  HSC54585  Epilobium ciliatum Overton, Butler 1979-7-24 9639 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC54584  Epilobium ciliatum subsp. ciliatum Overton, Butler 1979-7-24 9638 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC76188  Epilobium ciliatum subsp. ciliatum Overton, Butler 1979-7-24 9781 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  UC1198499  Epilobium densiflorum Joseph P. Tracy 1926-7-4 7720 Trinity near mouth of South Fork of Trinity River; Northern Coast Ranges, Donahue's Ranch 243 Comment
  UC249614 Image available Epilobium septentrionale Joseph P. Tracy 1921-8-21 5942 Humboldt Mouth of South Fork of Trinity River; Northern Coast Ranges; Humboldt Co. 152 Comment
  UC249622  Epilobium septentrionale Joseph P. Tracy 1921-10-16 5974 Humboldt mouth of S. Fork Trinity R.; Northern Coast Ranges, S. Fork Trinity R. 152 Comment
  HSC54653  Equisetum telmateia subsp. braunii Overton, Butler 1979-7-25 9861 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  UC1103229  Eragrostis cilianensis Joseph P. Tracy 1923-9-16 6558 Humboldt Trinity River Valley mouth of South Fork of Trinity (near the South Fork); Northern Coast Ranges, mouth of South Fork of Trinity 152 Comment
  UC249801  Eragrostis mexicana subsp. virescens Joseph P. Tracy 1923-9-10 6545 Humboldt Trinity River Valley near South Fork; Northern Coast Ranges, Trinity River Valley, nr South Fork 182 Comment
  HSC57167  Erigeron aliceae Overton, Butler 1979-7-26 9972 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  UC1199403  Erigeron foliosus var. confinis Joseph P. Tracy 1927-5-14 8006 Humboldt near South Fork; Trinity River Valley 182 Comment
  HSC12218  Eriodictyon californicum Gary J. Stebbins 1970-4-27 73 Humboldt Along Hwy. 299, 4.5 mi. E of Willow Creek Comment
  UC275279  Eriogonum roseum Joseph P. Tracy 1923-9-10 6547 Humboldt near South Fork Trinity River; Northern Coast Ranges, Trinity River Valley 182 Comment
  UCR37846  Eriogonum umbellatum var. nelsoniorum Walter C. Overton, Marvin Butler 1979-7-26 9994 Humboldt North Coast Range, near Willow Creek, east fork, close to the town of Willow Creek 1341 Comment
  JEPS16992  Eryngium articulatum Joseph P. Tracy 1926-7-4 7717 Trinity Donahue's Ranch near mouth of S. Fork Trinity R.; Northern Coast Ranges, Donahue's Ranch 243 Comment
  UC1197359  Eryngium articulatum Joseph P. Tracy 1926-7-4 7717 Trinity Donahue's Ranch near mouth of S. Fork Trinity R.; Northern Coast Ranges, Donahue's Ranch 243 Comment
  UC314590  Eryngium articulatum Joseph P. Tracy 1926-7-4 7717 Trinity Donahue's Ranch near mouth of S. Fork Trinity R.; Northern Coast Ranges, Donahue's Ranch 243 Comment
  RSA455985  Euonymus occidentalis H. E. McMinn 1922-8-5 320 Trinity Near South Fork Trinity River, by small stream. Comment
  UC1198972  Euphorbia crenulata Joseph P. Tracy 1925-5-17 6986 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  JEPS52427  Euphorbia spathulata Joseph P. Tracy 1926-5-2 7431 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC70397  Festuca californica M. A. Baker 1980-6-7 1805 Humboldt Near Brush Mtn. 1128 Comment
  RSA728074  Festuca idahoensis Gary D. Wallace 1979-6-24 1862 Humboldt Brush Mountain Lookout, SW of the town of Willow Creek. 1216 Comment
  HSC58759  Festuca occidentalis Overton, Butler 1979-7-26 9993 Humboldt Near Willow Creek 1341 Comment
  HSC70396  Festuca occidentalis M. A. Baker 1980-6-7 1808 Humboldt Near Brush Mtn. 1128 Comment
  HSC73769  Festuca rubra M. A. Baker 1980-6-7 1778 Humboldt Near Brush Mtn. 1128 Comment
  HSC73774  Fragaria vesca M. A. Baker 1980-6-7 1779 Humboldt Near Brush Mtn. 1128 Comment
  CAS-BOT-BC52714  Frangula californica subsp. californica Carl B. Wolf 1931-8-31 2381 Lake Near mouth of South Fork of Trinity River, on road to Sandy Bar Swimming Hole 243 Comment
  CAS-BOT-BC52734  Frangula californica subsp. californica Carl B. Wolf 1931-8-31 2381 Humboldt Near mouth of South Fork of Trinity River, on road to Sandy Bar Swimming Hole 243 Comment
  UC1197626  Fritillaria recurva Mrs. F. A. Graham 1927-4-10 Trinity 1 mi up Trinity River from mouth of South Fork, at Anderberg Homestead Trinity River; Northern Coast Ranges, Trinity River 182 Comment
  GH385876  Galium bolanderi J. P. Tracy 1927-5-15 8043 Unknown Trinity River Valley, near the South Fork 182 Comment
  HSC57329  Galium bolanderi Overton, Butler 1979-7-25 9822 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  HSC71493  Galium bolanderi M. A. Baker 1980-6-7 1797 Humboldt Near Brush Mtn. 1128 Comment
  JEPS6700  Galium bolanderi Joseph P. Tracy 1927-5-15 8043 Humboldt near the South Fork; Trinity River Valley 182 Comment
  JEPS81017  Galium divaricatum Thomas W. Nelson and Jane P. Nelson 1977-9-4 3746 Humboldt in cultivated area town of Willow Creek Comment
  HSC70361  Galium porrigens var. porrigens Gail Newton 1980-6-7 142 Humboldt Near Brush Mtn. 1128 Comment
  HSC57325  Galium triflorum Overton, Butler 1979-7-24 9643 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC57333  Galium triflorum Overton, Butler 1979-7-26 9951 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  HSC76185  Galium triflorum Overton, Butler 1979-7-24 9770 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC54650  Gaultheria shallon Overton, Butler 1979-7-25 9853 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  UC1197401  Geranium carolinianum Joseph P. Tracy 1926-5-2 7421 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC275493  Geranium dissectum Joseph P. Tracy 1925-5-17 6977 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC275490  Geranium oreganum Joseph P. Tracy 1925-5-17 6976 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC58551  Glyceria elata Overton, Butler 1979-7-24 9812 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC58552  Glyceria elata Overton, Butler 1979-7-24 9814 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC99053  Glyceria striata Cara Witte 2008-7-25 931 Humboldt Friday Ridge Road (Forest Service Road 6N08). 1.5 mile north of intersection with Forest Service Road 5N39. 1473 Comment
  HSC54588  Goodyera oblongifolia Overton, Butler 1979-7-24 9652 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC54649  Goodyera oblongifolia Overton, Butler 1979-7-25 9850 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  HSC76193  Hackelia californica Overton, Butler 1979-7-24 9786 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC70841  Hemizonella minima M. A. Baker 1980-6-7 1788 Humboldt Near Brush Mtn. 1128 Comment
  CAS-BOT-BC306037  Hemizonia congesta subsp. clevelandii Joseph P. Tracy 1925-7-12 7200 Humboldt Northern Coast Ranges. Trinity River Valley, near the South Fork 304 Comment
  UC275464  Hemizonia congesta subsp. clevelandii Joseph P. Tracy 1925-7-12 7200 Humboldt near the s fork Trinity River Valley; Northern Coast Ranges, Trinity River Valley 304 Comment
  CAS-BOT-BC309986  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1925-7-12 7200 Humboldt Northern Coast Ranges. Trinity River Valley, near the South Fork 304 Comment
  CAS-BOT-BC309987  Hemizonia congesta subsp. tracyi Joseph P. Tracy 1932-8-21 10364 Humboldt Northern Coast Ranges. Three Cabins; on lower western foothills of Chaparral Mountain 457 Comment
  HSC57023  Hieracium albiflorum Overton, Butler 1979-7-24 9640 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC57107  Hieracium albiflorum Overton, Butler 1979-7-25 9845 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  HSC57155  Hieracium albiflorum Overton, Butler 1979-7-26 9954 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  HSC57336  Hieracium albiflorum Overton, Butler 1979-7-26 10003 Humboldt Near Willow Creek 1341 Comment
  HSC57021  Holodiscus discolor Overton, Butler 1979-7-24 9636 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC57162  Holodiscus discolor Overton, Butler 1979-7-26 9962 Humboldt Near Willow Creek, close to the town of Willow Creek 1326 Comment
  HSC57046  Hypericum perforatum Overton, Butler 1979-7-24 9695 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC57100  Hypericum perforatum Overton, Butler 1979-7-25 9832 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  UC668258  Hypericum perforatum Joseph P. Tracy 1933-7-3 12641 Humboldt Trinity R. Valley at Willow Creek; Trinity R. Valley 152 Comment
  UC1199470  Hypochaeris radicata Joseph P. Tracy 1926-5-2 7422 Humboldt near the s fork Trinity River; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC70346  Iris tenuissima M. A. Baker 1980-6-7 1816 Humboldt Near Brush Mtn. 287 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
  HSC57117  Juncus balticus subsp. ater Walter Overton, Marvin Butler 1979-7-25 9862 Humboldt Near Ammon Creek, close to the town of Willow Creek 671 Comment
  HSC98512  Juncus ensifolius Cara Witte 2008-7-25 936 Humboldt At intersection with Forest Service Road 5N10C and Forest Service Road 5N10. 1346 Comment
  JEPS67139  Juncus ensifolius Joseph P. Tracy 1926-7-4 7714 Trinity near mouth of South fork of Trinity River (Donahue's ranch); Northern Coast Ranges 243 Comment
  HSC57093  Juncus exiguus Walter Overton, Marvin Butler 1979-7-24 9815 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  GH365768  Keckiella corymbosa V. K. Chesnut & E. R. Drew 1888-08-01 - 1888-09-01 Unknown S. Fork of Trinity Comment
  UC1222465  Keckiella lemmonii Joseph P. Tracy 1939-8-16 16425 Humboldt near Grouse Mountain; Friday Ridge 1219 Comment
  JEPS12479  Kelloggia galioides Joseph P. Tracy with Dr. F. W. Pennell 1940-7-7 16662 Humboldt Friday Ridge; Grouse Mt. 1280 Comment
  UC673097  Kelloggia galioides Joseph P. Tracy with Dr. F. W. Pennell 1940-7-7 16662 Humboldt Friday Ridge; Grouse Mt. 1280 Comment
  JEPS36746  Lactuca serriola Joseph P. Tracy 1926-9-6 7794 Humboldt near South Fork Trinity River; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC931699  Lathyrus jepsonii var. californicus C. L. Hitchcock 1949-6-8 19089 Trinity near Salyer (0.25 mi w of bridge over South Fork of Trinity River, near Highway 299); South Fork of Trinity River Comment
  UC302109  Lathyrus lanszwertii var. tracyi Joseph P. Tracy 1926-5-2 7432 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC495704  Lathyrus lanszwertii var. tracyi Joseph P. Tracy 1927-5-15 8042 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC495705  Lathyrus lanszwertii var. tracyi Joseph P. Tracy 1927-4-10 7893 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC709418  Lathyrus lanszwertii var. tracyi Joseph P. Tracy 1941-3-26 16844 Humboldt w of mouth of South Fork of Trinity River 304 Comment
  UC709420  Lathyrus lanszwertii var. tracyi Joseph P. Tracy 1941-3-26 16843 Humboldt w of mouth of South Fork of Trinity River 304 Comment
  UC1112278  Lathyrus torreyi R. E. Nelson 1956-7-3 193 Humboldt 1.5 mi s Brush Mountain (in vicinity of Salyer); Six Rivers National Forest, Salyer 792 Comment
  HSC93751  Leersia oryzoides Gordon Leppig 1998-9-7 1096 Trinity Six Rivers National Forest, South Fork Trinity River, W bank. 213 Comment
  RSA624791  Leersia oryzoides Gordon Leppig 1998-9-7 1096 Trinity Six Rivers National Forest. South Fork Trinity River, west bank. 213 Comment
  HSC73816  Leptosiphon ciliatus Gail Newton 1980-6-7 119 Humboldt Near Brush Mtn. 1128 Comment
  UC249851  Lessingia nemaclada Joseph P. Tracy 1923-9-10 6546 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC55665  Ligusticum californicum Overton, Butler 1979-7-25 9840 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  HSC57043  Lilium pardalinum subsp. pardalinum Overton, Butler 1979-7-24 9687 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC57160  Lilium pardalinum subsp. pardalinum Overton, Butler 1979-7-26 9959 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  HSC75956  Lilium pardalinum subsp. pardalinum Overton, Butler 1979-7-24 9774 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC99049  Lilium pardalinum subsp. pardalinum Cara Witte 2008-7-25 932 Humboldt Friday Ridge Road (Forest Service Road 6N08). 1.5 mile north of intersection with Forest Service Road 5N39. 1473 Comment
  UC1222535  Lilium washingtonianum subsp. purpurascens Joseph P. Tracy 1950-7-1 18951 Humboldt near Friday Camp ((to Grouse Mt.)); Friday Ridge 1219 Comment
  UC908625  Linanthus acicularis Joseph P. Tracy 1927-5-15 8033 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC98065  Linnaea borealis Cara Witte 2007-7-12 523 Humboldt Forest Service Road 5N10C. Approximately 1 mile south for intersection with Ammon Ridge Road. 1252 Comment
  UC201723  Linnaea borealis var. longiflora unknown June 1883 Trinity divide between the Trinity and South Fork Trinity River; divide between the Trinity and its South Fork Comment
  UC1196369  Lithocarpus densiflorus Joseph P. Tracy 1926-10-6 7807 Humboldt between South Fork of Trinity River and Madden Creek (mountain back of Ammon Ranch); Northern Coast Ranges 609 Comment
  HSC73961  Lithophragma heterophyllum Gail Newton 1980-6-7 130 Humboldt Near Brush Mtn. 1128 Comment
  UC1199421  Logfia gallica Joseph P. Tracy 1929-6-3 8604 Humboldt near South Fork; Trinity River Valley 182 Comment
  RSA728076  Lolium perenne Gary D. Wallace 1979-6-24 1860 Humboldt Near Brush Mountain Lookout, SW of the town of Willow Creek. 1216 Comment
  SEINET200609 Image available Lolium temulentum J. P. Tracy 1935-5-25 13893 Humboldt Dobbyn Creek 152 Comment
  UC249794  Lolium temulentum Joseph P. Tracy 1923-6-27 6382 Humboldt Trinity River Valley, near the South Fork; Northern Coast Ranges, Trinity River Valley, near South Fork 182 Comment
  HSC65515  Lomatium ciliolatum var. ciliolatum M. A. Baker 1980-6-7 1776 Humboldt Near Brush Mtn. 1128 Comment
  HSC73958  Lomatium nudicaule Gail Newton 1980-6-7 125 Humboldt Near Brush Mtn. 1128 Comment
  UC249606  Lomatium nudicaule Joseph P. Tracy 1922-4-30 6023 Humboldt mouth of S. Fork Trinity R.; Northern Coast Ranges, S. Fork Trinity R. 152 Comment
  HSC73959  Lupinus bicolor Gail Newton 1980-6-7 131 Humboldt Near Brush Mtn. 1128 Comment
  HSC76189  Lupinus latifolius Overton, Butler 1979-7-24 9779 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC73161  Luzula comosa M. A. Baker 1980-6-7 1802 Humboldt Near Brush Mtn. 1128 Comment
  UC1152124  Luzula macrantha Joseph P. Tracy 1941-3-26 16837 Trinity Northern Coast Ranges. Mouth of South Fork of Trinity River near town (vicinity Salyer) 182 Comment
  HSC98527  Luzula parviflora Cara Witte 2008-7-25 937 Humboldt At intersection with Forest Service Road 5N10C and Forest Service Road 5N10. 1346 Comment
  HSC70362  Madia elegans Gail Newton 1980-6-7 124 Humboldt Near Brush Mtn. 1128 Comment
  HSC50342  Madia gracilis Overton, Butler 1979-7-24 9692 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC41341  Maianthemum racemosum subsp. amplexicaule Brad Klipfel 1974-9-7 559 Humboldt Horse Mtn., E fork of Willow Creek. Comment
  HSC57028  Maianthemum racemosum subsp. amplexicaule Overton, Butler 1979-7-24 9650 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC57027  Maianthemum stellatum Overton, Butler 1979-7-24 9648 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC70360  Malacothrix floccifera Gail Newton 1980-6-7 141 Humboldt Near Brush Mtn. 1128 Comment
  HSC73820  Marah oregana Gail Newton 1980-6-7 135 Humboldt Near Brush Mtn. 1128 Comment
  UC577418  Marrubium vulgare Joseph P. Tracy 1925-5-17 6973 Humboldt Trinity River Valley near the South Fork; Northern Coast Ranges, Trinity River Valley near South Fork 182 Comment
  UC1145134  Melica aristata Joseph P. Tracy 1949-7-19 18374 Humboldt Friday Camp Grouse Mountain (Grouse Mountain) 1219 Comment
  CAS-BOT-BC269349  Melica californica Joseph P. Tracy 1927-5-14 7999 Humboldt Northern Coast Ranges. Trinity River Valley, near the South Fork 182 Comment
  RSA10132  Melica californica Joseph P. Tracy 1927-5-14 7999 Humboldt Trinity River Valley, near the South Fork. 183 Comment
  UC526914  Melica californica Joseph P. Tracy 1927-5-14 7999 Humboldt near The South Fork (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC70380  Melica geyeri M. A. Baker 1980-6-7 1795 Humboldt Near Brush Mountain. 1128 Comment
  HSC98816  Melica harfordii Cara Witte 2007-7-25 581 Humboldt Forest Service Road 5N10. Approximately 2.5 miles south from intersection with Forest Service Road 5N41. 1270 Comment
  JEPS63291  Melissa officinalis Joseph P. Tracy 1925-8-16 7232 Humboldt near the S. Fork Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 182 Comment
  UC577385  Melissa officinalis Joseph P. Tracy 1925-8-16 7232 Humboldt near the South Fork Trinity River Valley (around farm); Northern Coast Ranges, Trinity River Valley 182 Comment
  JEPS63443  Mentha spicata Joseph P. Tracy 1925-8-16 7233 Humboldt Trinity River Valley near the South Fork; Northern Coast Ranges, Trinity River Valley near South Fork 182 Comment
  CAS-BOT-BC428712  Micranthes californica Joseph P. Tracy 1927-3-27 7851 Humboldt Northern Coast Ranges. Trinity River Valley, near the South Fork. 182 Comment
  HSC73770  Microseris nutans M. A. Baker 1980-6-7 1777 Humboldt Near Brush Mtn. 1128 Comment
  UC1196792  Mimulus douglasii Joseph P. Tracy 1927-4-10 7892 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC55628  Mimulus moschatus Overton, Butler 1979-7-24 9626 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  HSC76220  Mimulus moschatus Overton, Butler 1979-7-24 9768 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC70389  Minuartia douglasii Gail Newton 1980-6-7 138 Humboldt Near Brush Mtn. 1128 Comment
  HSC70382  Moehringia macrophylla M. A. Baker 1980-6-7 1798 Humboldt Near Brush Mtn. 1128 Comment
  HSC93750  Muhlenbergia andina Gordon Leppig 1998-9-7 1097 Trinity Six Rivers National Forest, South Fork Trinity River, W bank. 213 Comment
  RSA624794  Muhlenbergia andina Gordon Leppig 1998-9-7 1097 Trinity Six Rivers National Forest. South Fork Trinity River, west bank. 213 Comment
  UCD86805  Muhlenbergia mexicana Joseph P. Tracy 1921-9-4 5957 Humboldt Trinity River Valley. Along Trinity River, at mouth of South Fork. 152 Comment
  UCD95019  Nassella R. Tofsrud 1948-9-1 s.n. Humboldt Near Horse Mt. junction on road from Sayler to Grouse Mt. 1219 Comment
  GH361630  Nassella pulchra J. P. Tracy 1926-5-2 7436 Unknown Trinity River Valley, near the south fork. 182 Comment
  UC526764  Nassella pulchra Joseph P. Tracy 1926-5-2 7436 Humboldt grassy hillside near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC908512  Navarretia atractyloides Joseph P. Tracy 1925-7-12 7206 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC73815  Nemophila menziesii Gail Newton 1980-6-7 123 Humboldt Near Brush Mtn. 1128 Comment
  HSC76196  Nemophila parviflora Overton, Butler 1979-7-24 9799 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC54589  Notholithocarpus densiflorus var. densiflorus Overton, Butler 1979-7-24 9657 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  UC1198786  Oemleria cerasiformis Joseph P. Tracy 1926-2-28 7374 Humboldt near The South Fork (Trinity River Valley); Northern Coast Ranges 182 Comment
  CDA7554  Onopordum acanthium T. C. Fuller 1960-6-29 4626 Trinity South bank of Trinity River, north of Highway 299, just west of Indian Creek Bridge, 1.7 miles east of Douglas City. 0 Comment
  HSC54586  Orthilia secunda Overton, Butler 1979-7-24 9645 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC54678  Orthilia secunda Overton, Butler 1979-7-26 9942 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  UC1197566  Orthilia secunda Joseph P. Tracy 1940-7-7 16663 Humboldt Grouse Mt. on Friday Ridge 1371 Comment
  HSC55634  Osmorhiza berteroi Overton, Butler 1979-7-24 9649 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  HSC73956  Osmorhiza purpurea Gail Newton 1980-6-7 133 Humboldt Near Brush Mtn. 1128 Comment
  UC1103781  Panicum acuminatum var. acuminatum Joseph P. Tracy 1927-5-14 8003 Humboldt Trinity River Valley near the South Fork; Northern Coast Ranges, Trinity River Valley nr South Fork 182 Comment
  HSC3794  Paxistima myrsinites D. E. Anderson 1965-6-1 3776 Humboldt Along Friday Ridge Rd. 1067 Comment
  HSC54592  Paxistima myrsinites Overton, Butler 1979-7-24 9660 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC98738  Paxistima myrsinites Cara Witte 2008-5-26 662 Humboldt Along Forest Service Road 5N10. 1/2 mile south of intersection with Friday Ridge Road. 1487 Comment
  RSA183642  Paxistima myrsinites D. E. Anderson 1965-6-1 3776 Humboldt Along Friday Ridge Road. 1067 Comment
  JEPS10352  Pedicularis densiflora Joseph P. Tracy 1926-5-2 7426 Humboldt near the South Fork; Trinity River Valley 182 Comment
  UC1222450  Pedicularis densiflora Joseph P. Tracy 1926-2-28 7369 Humboldt near the South Fork; Trinity River Valley 182 Comment
  UC582557  Pedicularis densiflora Joseph P. Tracy 1926-5-2 7426 Humboldt near the South Fork; Trinity River Valley 182 Comment
  HSC55678  Penstemon anguineus Walter Overton, Marvin Butler 1979-7-26 9929 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  HSC55690  Penstemon anguineus Walter Overton, Marvin Butler 1979-7-26 9999 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1341 Comment
  HSC70388  Pentagramma triangularis Gail Newton 1980-6-7 143 Humboldt Near Brush Mtn. 1128 Comment
  HSC70344  Phacelia heterophylla Gail Newton 1980-6-7 122 Humboldt Near Brush Mtn. 1128 Comment
  HSC57166  Phacelia mutabilis Overton, Butler 1979-7-26 9971 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  UC1198875  Philadelphus lewisii Joseph P. Tracy 1925-11-25 7327 Humboldt near the South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  RSA728071  Phleum pratense Gary D. Wallace 1979-6-24 1865 Humboldt Brush Mountain Lookout, SW of the town of Willow Creek. 1216 Comment
  HSC55663  Phlox adsurgens Overton, Butler 1979-7-25 9821 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  HSC65479  Phlox adsurgens M. A. Baker 1980-6-7 1806 Humboldt Near Brush Mtn. 1128 Comment
  JEPS79893  Piperia elongata Joseph P. Tracy 1925-7-12 7213 Humboldt near the South Fork Trinity River Valley; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC303142  Piperia elongata Joseph P. Tracy 1925-7-12 7213 Humboldt near the South Fork Trinity River Valley; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC44656  Pityopus californicus M. A. Baker 1978-7-19 623 Humboldt Bulk Collection 136 Comment
  HSC45213  Pityopus californicus R. York 1978-7-15 Humboldt Road to Brush Mt., China Timber Sale. Bulk Collection 139 1067 Comment
  HSC54595  Platanthera dilatata var. leucostachys Overton, Butler 1979-7-24 9669 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC73817  Plectritis congesta Gail Newton 1980-6-7 121 Humboldt Near Brush Mtn. 1128 Comment
  UCD91113  Poa howellii Don Hagar 1956-5-24 s.n. Humboldt Brush Mountain. 5 to 6 miles southwest of Willow Creek, eastern part of county. Comment
  HSC98797  Poa secunda subsp. secunda Cara Witte 2008-6-11 712 Humboldt National Forest Road 5N10. 2.5 miles south of intersection with Forest Service Road 5N41. 1303 Comment
  SEINET1004839  Polygala cornuta var. cornuta Joseph P. Tracy 1926-1 7744 Humboldt Trinity River Valley, Near the south fork 183 Comment
  UC1198991  Polygala cornuta var. cornuta Joseph P. Tracy 1926-7-18 7744 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC275278  Polygonum aviculare subsp. depressum Joseph P. Tracy 1924-8-24 6826 Humboldt near the South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  POM126162  Polygonum bolanderi Joseph P. Tracy 1921-8-21 5944 Humboldt Trinity River at mouth of South Fork. 152 Comment
  HSC54692  Polygonum douglasii Overton, Butler 1979-7-26 9989 Humboldt Near Willow Creek 1341 Comment
  JEPS19017  Polypodium glycyrrhiza Joseph P. Tracy 1925-11-25 7326 Humboldt near the S Fork Trinity River Valley; Northern Coast Ranges 182 Comment
  UC275412  Polypodium glycyrrhiza Joseph P. Tracy 1925-11-25 7326 Humboldt near the S Fork Trinity River Valley; Northern Coast Ranges 182 Comment
  CAS-BOT-BC237457  Polypogon viridis Joseph P. Tracy 1926-7-4 7697 Humboldt Trinity River Valley, near the South Fork Comment
  RSA10061  Polypogon viridis Joseph P. Tracy 1926-7-4 7697 Humboldt [Unspecified] Comment
  HSC54599  Polystichum munitum Overton, Butler 1979-7-24 9679 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC54652  Polystichum munitum Overton, Butler 1979-7-25 9860 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  HSC57029  Prosartes hookeri Overton, Butler 1979-7-24 9653 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC57112  Prosartes hookeri Overton, Butler 1979-7-25 9855 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  UC1198776  Prunus subcordata Joseph P. Tracy 1932-6-14 19142 Humboldt Trinity River Valley near the South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC1198778  Prunus subcordata Joseph P. Tracy 1924-10-5 6911 Humboldt Trinity River Valley near the South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC1198780  Prunus virginiana var. demissa Joseph P. Tracy 1926-10-14 7814 Humboldt near the South Fork (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC57047  Pseudognaphalium thermale Overton, Butler 1979-7-24 9696 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC54603  Pseudotsuga menziesii var. menziesii Overton, Butler 1979-7-24 9686 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC54600  Pteridium aquilinum var. pubescens Walter Overton, Butler 1979-7-24 9682 Humboldt Near Friday camp, close to the town of Willow Creek 1250 Comment
  HSC54593  Quercus chrysolepis Overton, Butler 1979-7-24 9661 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC54647  Quercus chrysolepis Overton, Butler 1979-7-25 9847 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  UC1196531  Quercus chrysolepis Joseph P. Tracy 1921-8-21 5938 Humboldt near Willow Creek (at mouth of South Fork of Trinity); Northern Coast Ranges, Trinity River Valley 152 Comment
  A344918  Quercus garryana J. P. Tracy 1941-3-26 16845 Unknown South fork of the Trinity River: mountain slopes west of its mouth 304 Comment
  CAS-BOT-BC94310  Quercus garryana Joseph P. Tracy 1941-3-26 16845 Humboldt South Fork of Trinity River: mountain slopes W of its mouth Comment
  GH344946  Quercus garryana J. P. Tracy 1941-3-26 16845 Unknown South Fork of Trinity River: mountain slopes west of its mouth 304 Comment
  HSC90517  Quercus garryana C. Cavanaugh, et al. 1986-6-6 103 Trinity S Fork Rd. Comment
  HSC90518  Quercus garryana C. Cavanaugh 1986-6-6 104 Trinity S Fork Rd. Comment
  UC403970  Quercus garryana Joseph P. Tracy 1924-10-12 6915 1/2 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC709423  Quercus garryana Joseph P. Tracy 1941-3-26 16845 Humboldt w of mouth of South Fork of Trinity River; South Fork of Trinity River 304 Comment
  UCD46112  Quercus garryana var. garryana Joseph P. Tracy 1924-10-12 6915 1/2 Humboldt Trinity River Valley, near the South Fork. 182 Comment
  UC1196360  Quercus kelloggii Joseph P. Tracy 1923-11-11 6592 1/2 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC275512  Quercus kelloggii Joseph P. Tracy 1923-9-10 6543 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  POM244261  Rhamnus californica Carl B. Wolf 1931-8-31 2381 Humboldt Near mouth of S Fork of Trinity River, on road to sandy bar swimming hole. 244 Comment
  RSA2941  Rhamnus californica Carl B. Wolf 1931-8-31 2381 Humboldt Near mouth of S Fork of Trinity River, on road to sandy bar swimming hole. 244 Comment
  JEPS42008  Rhamnus californica subsp. californica W. L. Jepson 1902-7-10 2001 Humboldt South Fork, junction of Trinity River, Martin ranch Trinity River 304 Comment
  UC592943  Rhamnus californica subsp. californica Carl B. Wolf 1931-8-31 Humboldt near Mouth of South Fork of Trinity River (on road to Sandy Bar Swimming Hole) 243 Comment
  UC298878  Rhus trilobata Joseph P. Tracy 1926-7-4 7713 Trinity along South Fork Trinity River (opposite stairs); Northern Coast Ranges 304 Comment
  A380247  Ribes inerme var. klamathense J. P. Tracy 1927-5-15 8039 Unknown Trinity River Valley, near the South Fork 182 Comment
  CAS-BOT-BC168855  Ribes inerme var. klamathense Joseph P. Tracy 1927-5-15 8039 Humboldt Trinity River Valley, near the South Fork 182 Comment
  UC492206  Ribes inerme var. klamathense Joseph P. Tracy 1927-5-15 8039 Humboldt near The South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC667071  Ribes lacustre Joseph P. Tracy with Dr. F. W. Pennell 1940-7-7 16664 Humboldt Friday Ridge road Grouse Mt. 1371 Comment
  HSC55679  Ribes lobbii Overton, Butler 1979-7-26 9930 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek. 1326 Comment
  HSC57146  Ribes nevadense Overton, Butler 1979-7-26 9937 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  CAS-BOT-BC198904  Ribes roezlii var. cruentum Peter H. Raven; R. Snow 1958-7-20 13630 Humboldt Friday Ridge Road to Grouse Mountain, 10.8 miles southwest of junction with United States Highway 299. Comment
  HSC57037  Ribes sanguineum Overton, Butler 1979-7-24 9674 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC96223  Ribes viscosissimum Eric Schori, Kazuyuki Ishimaru 2005-6-15 10 Humboldt 17 mi. S of Hwy. 299, S bank of roadside 1575 Comment
  POM161058  Rosa californica Joseph P. Tracy 1923-9-16 6550 Humboldt Trinity River Valley, Near the south fork Comment
  HSC57039  Rosa gymnocarpa Overton, Butler 1979-7-24 9675 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  JEPS45698  Rosa pisocarpa Joseph P. Tracy 1925-6-7 7079 Humboldt near the South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  JEPS45699  Rosa pisocarpa Joseph P. Tracy 1923-9-16 6550 Humboldt near the South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC667035  Rosa pisocarpa Joseph P. Tracy 1933-8-30 13020 Humboldt Grouse Mt. 1432 Comment
  UC667036  Rosa pisocarpa Joseph P. Tracy 1934-7-18 13416 Humboldt Grouse Mt. 1432 Comment
  JEPS45684  Rosa spithamea Joseph P. Tracy 1925-7-12 7196 Humboldt near the South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC57115  Rubus leucodermis Overton, Butler 1979-7-25 9858 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  HSC57020  Rubus parviflorus Overton, Butler 1979-7-24 9632 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC57022  Rubus ursinus Overton, Butler 1979-7-24 9637 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC57045  Rubus ursinus Overton, Butler 1979-7-24 9694 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC51775  Rumex acetosella Overton, Butler 1979-7-24 9644 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC76221  Rumex acetosella Overton, Butler 1979-7-24 9767 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC55635  Salix lasiolepis Overton, Butler 1979-7-24 9655 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  POM160285  Salix lasiolepis Joseph P. Tracy 1926-2-28 7373 Humboldt Trinity River Valley, near the S Fork. 183 Comment
  HSC20064  Salix melanopsis H. E. Parks, J. P. Tracy 1931-5-17 967 Humboldt Humboldt/Trinity Cos., below Willow Creek 152 Comment
  UC275492  Salix melanopsis Joseph P. Tracy 1925-7-26 7209 Humboldt near S. Fork Trinity River Valley; Northern Coast Ranges, Trinity River Valley 182 Comment
  UC1196702  Salix scouleriana Joseph P. Tracy 1926-10-12 7812 Humboldt near mouth of S. Fork Trinity R. MirandaFour Mile creek; Northern Coast Ranges, Four Mile Creek 609 Comment
  UC303005  Salix scouleriana Joseph P. Tracy 1926-2-28 7378 Humboldt near the S. Fork Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 182 Comment
  HSC20130  Salix tracyi H. E. Parks 1931-5-17 976 Humboldt Humboldt and Trinity Cos., Willow Creek 152 Comment
  HSC57090  Sambucus nigra subsp. caerulea Overton, Butler 1979-7-24 9804 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC57142  Sambucus nigra subsp. caerulea Overton, Butler 1979-7-26 9926 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  UC1197100  Sanicula crassicaulis Joseph P. Tracy 1927-5-15 8034 Humboldt Trinity River Valley near the South Fork; Trinity River Valley 182 Comment
  JEPS47546  Saxifraga californica Joseph P. Tracy 1927-4-10 7896 Humboldt near South Fork (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  UC492224  Saxifraga californica Joseph P. Tracy 1927-4-10 7896 Humboldt near the South Fork (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  UC492225  Saxifraga californica Joseph P. Tracy 1927-3-27 7851 Humboldt near the South Fork (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  JEPS47544  Saxifraga mertensiana Joseph P. Tracy 1922-4-30 6009 Humboldt mouth of South Fork Trinity River (Martin Ranch); Northern Coast Ranges, , Martin Ranc 152 Comment
  UC1988888  Saxifraga mertensiana Joseph P. Tracy 1927-3-27 7854 Humboldt near South Fork (Trinity River Valley along river); Northern Coast Ranges, Trinity River Valley 182 Comment
  UC249630  Saxifraga mertensiana Joseph P. Tracy 1922-4-30 6009 Humboldt mouth of South Fork Trinity River; Northern Coast Ranges, South Fork Trinity River 152 Comment
  HSC79339  Sedum laxum subsp. flavidum D. K. Imper 1984-5-16 Humboldt Six Rivers National Forest, in the vicinity of Horse Mtn. and Friday Ridge 1372 Comment
  HSC57176  Sedum obtusatum subsp. retusum Overton, Butler 1979-7-26 9997 Humboldt Near Willow Creek 1341 Comment
  HSC57035  Senecio triangularis Overton, Butler 1979-7-24 9667 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC57152  Senecio triangularis Overton, Butler 1979-7-26 9948 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek. 1326 Comment
  HSC73819  Silene Gail Newton 1980-6-7 117 Humboldt Near Brush Mtn. 1128 Comment
  UCR40032  Silene hookeri subsp. bolanderi T. Jimerson 1983-5-26 s.n. Humboldt Six Rivers National Forest, Lower Trinitty Road; roadside bank on the road to Brush Mountain Lookout off Friday Ridge Road. (6N08) 1088 Comment
  HSC57102  Silene laciniata subsp. californica Overton, Butler 1979-7-25 9834 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  HSC73842  Solanum parishii Gail Newton 1980-6-7 137 Humboldt Near Brush Mtn. 1128 Comment
  UC1196157  Solanum sarrachoides Joseph P. Tracy 1940-10-15 16758 Humboldt Trinity River Valley at Willow Creek Willow Creek; Trinity River Valley, Willow Creek 152 Comment
  UC1199318  Solidago elongata Joseph P. Tracy 1921-8-21 5943 Humboldt mouth South Fork of Trinity (near Willow Creek, Trinity River Valley); Northern Coast Ranges, Trinity River Valley, mouth South For 152 Comment
  HSC57108  Sonchus asper Overton, Butler 1979-7-25 9846 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  HSC98505  Sorbus scopulina Cara Witte 2008-7-25 935 Humboldt At intersection with Forest Service Road 5N10C and Forest Service Road 5N10. 1346 Comment
  RSA10099  Sorghum halepense Joseph P. Tracy 1925-9-6 7263 Humboldt Trinity River Valley, Near the south fork Comment
  UC526834  Sorghum halepense Joseph P. Tracy 1925-9-6 7263 Humboldt near the S. Fork Trinity R. Valley; Northern Coast Ranges, Trinity R. Valley 182 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
  HSC54596  Stachys rigida Overton, Butler 1979-7-24 9672 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC54587  Stachys rigida var. rigida Overton, Butler 1979-7-24 9651 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC70374  Stipa occidentalis var. californica M. A. Baker 1980-6-7 1781 Humboldt Near Brush Mtn. 1128 Comment
  HSC70349  Streptanthus tortuosus M. A. Baker 1980-6-7 1812 Humboldt Near Brush Mtn. 1128 Comment
  HSC57036  Streptopus amplexifolius Overton, Butler 1979-7-24 9671 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC57156  Streptopus amplexifolius Overton, Butler 1979-7-26 9955 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  HSC57089  Symphoricarpos mollis Overton, Butler 1979-7-24 9801 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC54591  Taxus brevifolia Overton, Butler 1979-7-24 9659 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC54651  Taxus brevifolia Overton, Butler 1979-7-25 9854 Humboldt Near Ammon Creek, close to the town of Willow Creek. 671 Comment
  HSC98547  Taxus brevifolia Cara Witte 2008-6-7 687 Humboldt Forest Service Road 5N10. Approximately 1 mile south of intersection with Friday Ridge Road/ 6N08. 1346 Comment
  RSA728070  Thinopyrum intermedium Gary D. Wallace 1979-6-24 1866 Humboldt Brush Mountain Lookout, SW of the town of Willow Creek. 1216 Comment
  CHSC96779  Thlaspi montanum P. Haggard 2004-8-18 1285929 Humboldt North Coast Ranges. Friday Ridge Rd, Willow Creek. Comment
  HSC55631  Tiarella trifoliata var. unifoliata Overton, Butler 1979-7-24 9633 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC55632  Tolmiea diplomenziesii Overton, Butler 1979-7-24 9634 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  UC1198896  Tolmiea diplomenziesii Joseph P. Tracy 1925-11-25 7328 Humboldt near The South Fork (Trinity River Valley); Northern Coast Ranges 182 Comment
  HSC73841  Tonella tenella Gail Newton 1980-6-7 134 Humboldt Near Brush Mtn. 1128 Comment
  JEPS63933  Toxicodendron diversilobum W. L. Jepson 1902-7-10 2003 Humboldt S. Fork Trinity R., Martin's Ranch Comment
  JEPS63934  Toxicodendron diversilobum W. L. Jepson 1902-7-10 2003 a Humboldt S. Fork Trinity R., Martin's Ranch Comment
  JEPS63936  Toxicodendron diversilobum W. L. Jepson 1902-7-10 2000 Humboldt S. Fork Trinity R., Martin's Ranch Comment
  CAS-BOT-BC323056  Tracyina rostrata Joseph P. Tracy 1930-6-15 8762 Humboldt Dobbyn Creek 152 Comment
  HSC54597  Trientalis latifolia Overton, Butler 1979-7-24 9676 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  UC495666  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1927-5-14 8007 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC73960  Trifolium dichotomum Gail Newton 1980-6-7 128 Humboldt Near Brush Mtn. 1128 Comment
  UC303191  Trifolium dubium Joseph P. Tracy 1925-5-17 6971 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC15234  Trifolium longipes subsp. oreganum D. E. Anderson 1965-6-1 3770 Humboldt On ridge along Friday Hill Rd., about 2 mi. from its junction with Titlow Hill Rd. 1159 Comment
  HSC73818  Trifolium microcephalum Gail Newton 1980-6-7 118 Humboldt Near Brush Mtn. 1128 Comment
  UC1197513  Trifolium willdenovii Joseph P. Tracy 1927-5-15 8037 Humboldt near South Fork; Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC57025  Trillium ovatum Overton, Butler 1979-7-24 9646 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  UC582438  Uropappus lindleyi Joseph P. Tracy 1927-5-14 8008 Humboldt near South Fork; Trinity River Valley 182 Comment
  HSC57141  Vancouveria hexandra Overton, Butler 1979-7-26 9925 Humboldt Near Willow Creek, close to the town of Willow Creek 1326 Comment
  HSC99654  Vancouveria hexandra Overton, Butler 1979-7-24 9673 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  CAS-BOT-BC76090  Vancouveria planipetala Peter H. Raven; R. Snow 1958-7-20 13631 Humboldt Friday Ridge Road to Grouse Mountain, 10.8 miles southwest of junction with United States Highway 299. Comment
  CHSC63383  Vancouveria planipetala Vernon H. Oswald 1994-6-29 6363 Humboldt Friday Ridge Rd. (Forest Rd. 6N08) 3.5 mi NE of Titlow Hill Rd., 4.6 mi S of Brush Mtn. Lookout Rd., S of Hey. 299 and Willow Creek. 1237 Comment
  UC303001  Vancouveria planipetala Joseph P. Tracy 1926-5-2 7420 Humboldt Trinity River Valley near the South Fork; Northern Coast Ranges, Trinity River Valley nr South Fork 182 Comment
  HSC57040  Veratrum insolitum Overton, Butler 1979-7-24 9680 Humboldt Near Friday Camp, close to the town of Willow Creek. 1250 Comment
  HSC57096  Veratrum insolitum Overton, Butler 1979-7-24 9820 Humboldt Near Black Rock, close to the town of Willow Creek 1463 Comment
  HSC57172  Veratrum insolitum Overton, Butler 1979-7-26 9981 Humboldt Near Willow Creek, E Fork, close to the town of Willow Creek 1326 Comment
  UC1198209  Veratrum insolitum Joseph P. Tracy 1949-7-19 18386 Humboldt head Friday Ridge; Grouse Mountain 1524 Comment
  SDSU11035  Verbascum thapsus Harvey 1938-8-14 2322 Humboldt Trinity River. US 299. Comment
  HSC55630  Veronica americana Walter Overton, Marvin Butler 1979-7-24 9628 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  HSC55638  Viola glabella Overton, Butler 1979-7-24 9670 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  UC1197981  Vitis californica Joseph P. Tracy 1926-9-6 7797 Humboldt Trinity River Valley Northern Coast Ranges (near the South Fork) 182 Comment
  RSA10149  Vulpia bromoides Joseph P. Tracy 1925-5-17 6980 Humboldt Trinity River Valley, near the South Fork. 183 Comment
  HSC9908  Vulpia microstachys J. P. Tracy 1926-5-2 7440 Humboldt Trinity River Valley, near the south fork. 183 Comment
  UC1103720  Vulpia microstachys var. microstachys Joseph P. Tracy 1926-5-2 7441 1/2 Humboldt near The South Fork (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  CAS-BOT-BC184233  Vulpia microstachys var. pauciflora Joseph P. Tracy 1926-5-2 7440 Humboldt Trinity River Valley, near the South Fork 182 Comment
  UC525648  Vulpia microstachys var. pauciflora Joseph P. Tracy 1925-5-17 6985 Humboldt near The South Fork (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  UC525652  Vulpia microstachys var. pauciflora Joseph P. Tracy 1926-5-2 7439 Humboldt near The South Fork (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  UC525671  Vulpia microstachys var. pauciflora Joseph P. Tracy 1926-5-2 7440 Humboldt near The South Fork (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  UC525672  Vulpia microstachys var. pauciflora Joseph P. Tracy 1926-5-2 7441 Humboldt near The South Fork (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  HSC70350  Vulpia myuros M. A. Baker 1980-6-7 1810 Humboldt Near Brush Mtn. 1128 Comment
  HSC70383  Vulpia myuros M. A. Baker 1980-6-7 1792 Humboldt Near Brush Mtn. 1128 Comment
  HSC70537  Vulpia myuros Gail Newton 1980-6-7 139 Humboldt Near Brush Mtn. 1128 Comment
  RSA10060  Vulpia myuros var. hirsuta Joseph P. Tracy 1925-5-17 6968 Humboldt Trinity River Valley, near the South Fork. 183 Comment
  UC525656  Vulpia myuros var. hirsuta Joseph P. Tracy 1925-5-17 6968 Humboldt near The South Fork (Trinity River Valley); Northern Coast Ranges, Trinity River Valley 182 Comment
  CHSC63409  Whipplea modesta Vernon H. Oswald 1994-6-29 6365 Humboldt Friday Ridge Rd. (Forest Rd. 6N08) 7.3 mi N of Titlow Hill Rd., 0.8 mi S of Brush Mtn. Lookout Rd., S of Hwy. 299 and Willow Creek. Common groundcover on shaded forest edge. 975 Comment
  HSC55640  Whipplea modesta Overton, Butler 1979-7-24 9691 Humboldt Near Titlow Hill, close to the town of Willow Creek 1250 Comment
  HSC70379  Whipplea modesta M. A. Baker 1980-6-7 1796 Humboldt Near Brush Mtn. 287 Comment
  HSC93473  Xanthium strumarium Gordon Leppig 1998-9-7 1098 Trinity Six Rivers National Forest, South Fork Trinity River, W bank. 213 Comment
  HSC15736  Xerophyllum tenax D. E. Anderson 1965-6-1 3774 Humboldt On ridge along Friday Hill Rd., about 2 mi. from its junction with Titlow Hill Rd. 1159 Comment
  HSC73775  Zigadenus micranthus M. A. Baker 1980-6-7 1769 Humboldt Near Brush Mtn. 1128 Comment



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