Search Results — 2000 specimen records retrieved (1541 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC2829  Acer negundo var. californicum T. F. Newman 1965-4-7 6510 Yuba Lembke ranch, 9 mi. N of Marysville, near bank of Feather River Comment
  UCR197051  Achillea millefolium George K. Helmkamp, E. A. Helmkamp 2008-5-20 13475 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  CAS-BOT-BC218689  Achnatherum lemmonii Lowell Ahart 1979-6-25 s.n. Yuba 2 miles E of Challenge 700 Comment
  CHSC37190  Achnatherum lemmonii L. Ahart 1982-7-4 3658 Yuba Near Brownsville Dump, Brownsville. 600 Comment
  UCD32531  Achnatherum lemmonii Beecher Crampton 1954-5-10 1847 Yuba Yuba County, 6 miles south of Camptonville, along highway 49, north slope near the middle of the Yuba River. Comment
  UCD50454  Achnatherum lemmonii Beecher Crampton 1965-6-17 7381 Yuba 4 miles south of Brownsville, Willow Glen Road. 670 Comment
  UCD50644  Achnatherum lemmonii Beecher Crampton 1954-5-10 1847 Yuba Along Hwy. 49, north slope of the Middle Yuba River, 6 miles south of Camptonville, Yuba County. Comment
  UCD50717  Achnatherum lemmonii Beecher Crampton 1957-6-5 4142 Yuba 1 mile east of Stanfield Hill. Comment
  JEPS100273  Achnatherum lemmonii var. lemmonii Dean W. Taylor 2001-5-9 17646 Yuba canyon of the North Fork Yuba River near Kelley Bar, Plumas National Forest 609 Comment
  CHSC44595  Achnatherum occidentale subsp. californicum Lowell Ahart 1979-6-25 1947 Yuba About 2 miles east of Challenge. 640 Comment
  JEPS100364  Achnatherum stillmanii Dean W. Taylor 2001-6-6 17770 Yuba Peterson Ridge (ca. 2 air mi SE of Strawberry Valley); along Forest Road 35 (20N35) about 0.8 miles northeast of the junction with Forest Road 04 (20N04), on the easterly facing canyon wall of Slate Creek 1158 Comment
  JEPS125984  Achnatherum stillmanii D. W. Taylor 2001-7-31 17852 Yuba Rock Creek canyon on the Yuba County line, ca 2 air miles SW of Union Hill. Comment
  SEINET10611233  Achnatherum stillmanii Dean W. Taylor 2001-6-6 Taylor 17770 Yuba Peterson Ridge (ca. 2 air mi SE of Strawberry Valley); along Forest Road 35 (20N35) about 0.8 miles northeast of the junction with Forest Road 04 (20N04), on the easterly facing canyon wall of Slate Creek; T20N R8E NE1/4 Section 27; 39.56808N/-121.06651W; Strawberry Valley 7 1/2' USGS quadrangle; growing on rocky roadcut on partially serpentinized substrate, in dense woodland with Pinus ponderosa, Calocedrus decurrens, Cornus nuttallii, Ceanothus integerrimus. 1158 Comment
  SEINET7072723  Achyrachaena mollis A. G. Vestal 1963-5-7 s.n. Yuba About 3.5 miles north of Wheatland on Jasper Lane. UTM Zone 10, 636590E, 4323573mN. Coordinate datum: NAD 27. Comment
  UCD37846  Achyrachaena mollis Beecher Crampton 1962-4-24 6245 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  UCD128415  Achyrachaena mollis E. J. Kinbacher 1953-4-28 9 Yuba State Highway 20, 8 miles northeast of Marysville. 24 Comment
  UCD128429  Achyrachaena mollis Barbara Yungert 1974-5-6 123 Yuba east side of Scott Lane, west of SC-19 project area, Sierra Foothill Station. Comment
  CHSC108184  Acmispon americanus var. americanus Lowell Ahart 2011-6-7 17393 Yuba On the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  UCD103961  Acmispon americanus var. americanus Barbara Yungert 1974-5-8 135 Yuba North of Yuba River, f-2 project area, Sierra Foothill Field Station. Comment
  UCD104017  Acmispon argophyllus var. fremontii Barbara Yungert 1974-5-8 136 Yuba North of Yuba River, F-2 project area, Sierra Foothill Field Station. Comment
  CHSC108204  Acmispon brachycarpus Lowell Ahart 2011-6-7 17392 Yuba On the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  CHSC43382  Acmispon brachycarpus Lowell Ahart 1976-4-15 1068 Yuba Along the edge of La Porte Road, about 2 miles north-east of Rackerby. 457 Comment
  UCD104099  Acmispon brachycarpus Barbara Yungert 1974-4-4 4 Yuba Along four wheel drive road, north of Yuba River, Sierra Foothill Field Station. Comment
  UCD104173  Acmispon grandiflorus Kathleen Keliher 1975-5-30 123 Yuba 200 yard up roadcut along Oregon Hill Road, 5 miles east of La Porte Road. 701 Comment
  CHSC10636  Acmispon grandiflorus var. macranthus Lowell Ahart 1968-3-3 Yuba Near Bullard's Bar. 914 Comment
  CHSC112368  Acmispon grandiflorus var. macranthus L. P. Janeway 2014-4-24 11233 Yuba Northern High Sierra Nevada. Plumas National Forest; above the end of Road 18N01A halfway between Summit Hill and New Bullards Bar Reservoir (North Yuba River); 5.6 air-km northeast of Dobbins. 850 Comment
  JEPS121744  Acmispon grandiflorus var. macranthus L. P. Janeway 2014-4-24 11233 Yuba Northern High Sierra Nevada. Plumas National Forest; above the end of Road 18N01A halfway between Summit Hill and New Bullards Bar Reservoir (North Yuba River); 5.6 air-km northeast of Dobbins. Comment
  UCD104353  Acmispon parviflorus Barbara Yungert 1974-4-25 76 Yuba West of four wheel drive road, Jack-Ass Joe area, F-2 project area, Sierra Foothill Field Station. Comment
  UC1127706  Adenostoma fasciculatum M. A. Elvin 1933-7-6 42 Yuba 2 1/2 mi. w. Bridgeport; Smartsville Quad. Comment
  RSA687742  Adiantum aleuticum Dorothy Davis 1923-08 s.n. Yuba Downsiville 1220 Comment
  CDA21315  Aegilops triuncialis M. Stelmok 2007-7-27 PDR 1305558 Yuba Sacramento Valley; Along Marysville Rd at Tonopah Trail in Brown's Valley. 137 Comment
  UCD51557  Aegilops triuncialis Beecher Crampton 1965-6-17 7366 Yuba 2 miles s.e. Loma Rica, Browns Valley Road. Comment
  JEPS75459  Aesculus californica P. F. Yorks 1975-6-14 451 Yuba ca 1 mi n Camptonville (Highway 49, along highway before it runs along the Yuba River) 914 Comment
  UCD136664  Aesculus californica Barbara Yungert 1974-5-14 154 Yuba south of Porter Creek, south of station, Sierra Foothill Field Station. Comment
  UCR194909  Aesculus californica George K. Helmkamp, E. A. Helmkamp 2007-5-26 12132 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, 1.3 miles south of Camptonville 802 Comment
  CAS-BOT-BC295538  Agnorhiza bolanderi Alice Eastwood 1930-4-12 s.n. Yuba Near top of Texas Hill Comment
  JEPS18172  Agnorhiza bolanderi Rimo Bacigalupi with G. T. Robbins and F. Chisaki 1956-4-19 5619 Yuba 1 mi n Dobbins (0.4 mi s of Dobbins Ranger Station, along road from Oregon House to Dobbins) 571 Comment
  CHSC44843  Agoseris grandiflora Lowell Ahart 1979-6-25 1944 Yuba About 1 air mile south of Challenge. 640 Comment
  CHSC84140  Agoseris grandiflora Lowell Ahart 2003-7-2 10344 Yuba On the east side of Fountain Hill Road, about 2 miles south of Oregon Hill Road, about 1 1/2 miles (air) north of Fountain House Hill, about 4 miles (air) northeast of Dobbins. 834 Comment
  CAS-BOT-BC15346  Agoseris heterophylla Alice Eastwood 1921-5-22 10511 Yuba Los Verjeles Comment
  CAS-BOT-BC22953  Agoseris heterophylla Gordon H. True 1963-4-17 1163 Yuba About 14 miles east of Marysville, on Marysville-Grass Valley Hwy 60 Comment
  JEPS100269  Agoseris retrorsa Dean W. Taylor 2001-5-9 17642 Yuba canyon of the North Fork Yuba River near Kelley Bar, Plumas National Forest 609 Comment
  CHSC110467  Agrimonia gryposepala L. P. Janeway 2013-7-24 11189 Yuba Northern High Sierra Nevada. Plumas National Forest; meadow near headwaters of a northeastern tributary to Hampshire Creek, 1.8 km north of North Yuba River and 1.0 km east-northeast of Hampshire creek Meadow. 1102 Comment
  CAS-BOT-BC451165  Agrimonia gryposepala Lowell Ahart 1977-7-31 s.n. Yuba Aount 1 mile south of Challenge 700 Comment
  POM266621  Agrostis avenacea J. C. Roos 1939-7-3 1518 Yuba Marysville. Comment
  UCD51767  Agrostis avenacea Beecher Crampton 1964-10-22 7221 Yuba 3 miles east of Brown's Valley, Dry Creek. Comment
  UCR168800  Agrostis avenacea David Charlton 2005-5-16 8028 Yuba Sacramento Valley, Yuba Gold Field; just south of Yuba River; c. 7.5 mi ENE of Marysville; N of Beale Air Force Base; Survey area c. 2 miles by 1 mile 46 Comment
  RSA653942  Agrostis exarata Beecher Crampton 1966-6-14 7760 Yuba 1 mile east of Brownsville on La Porte road. 732 Comment
  UCD33115  Agrostis exarata Beecher Crampton 1966-6-14 7760 Yuba Yuba County, 1 mile east of Brownsville on La Porte road. 731 Comment
  UCD52111  Agrostis exarata Beecher Crampton 1965-6-17 7379 Yuba 4 miles south Brownsville, Willon Glen Road. 670 Comment
  UCD52130  Agrostis exarata Beecher Crampton 1957-6-5 4137 Yuba Stanfield Hill. Comment
  JEPS121794  Agrostis gigantea L. P. Janeway, James Nixon, Eduardo Gonzales 2014-7-2 11429 Yuba Northern High Sierra Nevada. Plumas National Forest; meadow opening just northeast of Little Oregon Creek and 0.2 km east of Oregon Hill Road; 7.3 air-km southeast of Challenge. Comment
  CAS-BOT-BC139343  Agrostis idahoensis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54088 Yuba Sierra Nevada. 3.6 miles northest of Strawberry Valley on La Porte - Quincy road. 1280 Comment
  CHSC105843  Agrostis idahoensis Lowell Ahart 2010-7-27 16920 Yuba Meadow on the north side of Scales Road, about 1/8 mile east of La Porte Quincy Road, about 3 miles (air) east of Sly Creek Reservoir Dam. Along small streams in the meadow. 1219 Comment
  CAS-BOT-BC138782  Agrostis scabra Lowell Ahart 1980-8-12 2575 Yuba Sierra Nevada. Along Slate Creek. 1250 Comment
  CHSC116336  Agrostis scabra Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-11-19 20679 Yuba Spillway area, at the west side and near the top of Lake Francis Dam, below the high water line of Lake Francis, about 1 1/2 miles south of Dobbins. 512 Comment
  CDA28150  Agrostis stolonifera L. Ahart 2003-7-6 10366 Yuba East of the power line, about 50 yards west of Fountain Hill Road, about 5 miles (air) north of Dobbins. Comment
  CHSC63205  Agrostis thurberiana Lowell Ahart 1994-6-27 7394 Yuba North of the dirt road that goes from La Porte Road to the Poverty Hill Mine (County Road), east of Schwartz Meadow, about 4 miles north-east of Strawberry Valley. 1219 Comment
  CHSC107312  Aira caryophyllea L. P. Janeway; Melanie Williams, Tim Hanson 2011-6-9 10372 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. Small grassy meadow. 750 Comment
  JEPS118730  Aira caryophyllea L. P. Janeway and Melanie Williams, Tim Hanson 2011-6-9 10372 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. French Corral 7.5' quad. Comment
  UCD55725  Aira caryophyllea Beecher Crampton 1965-5-11 7317 A Yuba 2.5 miles southwest of Brown's Valley. Comment
  UCD55763  Aira caryophyllea Barbara Yungert 1974-4-25 G- 1 Yuba Sierra Foothill Field Station, Lower Scott project area, along four wheel drive road. Comment
  UCD55768  Aira caryophyllea Beecher Crampton 1962-4-24 6277 Yuba 5 miles E of Browns Valley. Sierra Foothill Range Field Station. Comment
  SEINET5335999  Aira caryophyllea C. Aarstad 1979-4-28 s.n. Yuba at junct. of Rt. 20 and N Fork of Browns Valley 183 Comment
  UCD55787  Aira caryophyllea var. capillaris Beecher Crampton 1965-5-11 7317 Yuba 2.5 miles southwest of Brown's Valley. Comment
  CAS-BOT-BC138349  Aira caryophyllea var. caryophyllea Gordon H. True 1963-4-17 1177 Yuba About 10 miles east of Marysville, on Marysville-Grass Valley Highway. 30 Comment
  RSA116440  Aira elegans Beecher Crampton 1957-6-5 4153 Yuba 1.3 miles east of Oregon House Store Comment
  UC1153945  Aira elegantissima Beecher Crampton 1957-6-5 4153 Yuba 1.3 mi e Oregon House Store Comment
  CHSC84213  Alisma triviale Lowell Ahart 2003-7-17 10416 Yuba On the bottom of a stream, on the west side of Smartville road, about 2 miles north of the intersection of Waldo Road and Smartville Road, about 6 miles (air) south of Smartville. 129 Comment
  CHSC22947  Allium amplectens Robert A. Schlising; G. Keator 1963-4-8 2498 Yuba Along Hwy 20, area of Browns Valley, 29.4 miles west of Nevada City. Comment
  UCR266162  Allium amplectens L. K. Mann 1957-4-19 s.n. Yuba No. Sierra Nevada Foothills, between Browns Valley and Dobbins, 0.2 mi west of Oregon House Post Office 466 Comment
  CAS-BOT-BC462250  Allium amplectens Lewis S. Rose 1940-5-28 40403 Yuba Oregon House 457 Comment
  CAS-BOT-BC462394  Allium amplectens Lillian S. Mott 1965-4-21 6547 Yuba Highway 20 about 10 miles east of Marysville. 518 Comment
  UCD138549  Allium hyalinum Barbara Yungert 1974-4-25 90 Yuba just below Koch fence line, above Dry Creek, Sierra Foothill Field Station. Comment
  CHSC10818  Allium membranaceum Lowell Ahart 1967-5-15 Yuba Near Bullard bar. 914 Comment
  UCD39042  Allium peninsulare Beecher Crampton 1962-4-24 6319 Yuba 5 miles east Brown's Valley, Sierra Foothill Range Field Station. Comment
  UCD138600  Allium peninsulare Barbara Yungert 1974-4-18 65 Yuba north of Yuba River, Sierra Foothill Field Station. Comment
  CAS-BOT-BC132066  Allium peninsulare var. peninsulare Gordon H. True 1963-5-9 1227 Yuba Just east of Parks Bar bridge, South Yuba River about 1 mile west of Timbuctoo 79 Comment
  CHSC107278  Allium sanbornii var. sanbornii L. P. Janeway 2011-8-10 10643 Yuba Northern High Sierra Nevada. Plumas National Forest; serpentine slope on southeast side of Road 19N04 1.3 km north of Challenge-La Porte Road; 2.2 air km northeast of Challenge. 1023 Comment
  CHSC61355  Allium sanbornii var. sanbornii Lowell Ahart 1993-8-8 7155 Yuba On the south side of La Porte Road, about 200 yards west of the Brownsville Grange, about 1 mile south-west of La Porte Road and Willow Glen Road intersection. 609 Comment
  NY247881  Allium sanbornii var. sanbornii A. W. Wood 1866-1 s.n. Yuba Near Fosters Bar. S.S. Sauborn Esq. Comment
  UC1609386  Allium sanbornii var. sanbornii Lowell Ahart 1993-8-8 7155 Yuba about 200 yards w Brownsville Grange (on s side of La Porte Road, about 1 mi sw of La Porte Road and Willow Glen Road intersection); La Porte Road 609 Comment
  UCD143722  Allium serra L. K. Mann 1958-4-20 s.n. Yuba bulbs 3 miles north of Rumsey, Califronia on road 16 toward Clear Lake. Mostly on right side going north. Comment
  UCD143723  Allium serra L. K. Mann 1958-4-20 s.n. Yuba bulbs 3 miles north of Rumsey, Califronia on road 16 toward Clear Lake. Mostly on right side going north. Comment
  CHSC113650  Allotropa virgata L. P. Janeway 2014-5-20 11255 Yuba Northern High Sierra Nevada. Plumas National Forest; 1.9 air-km southeast of Pike County Peak, 4.1 air-km southeast of Challenge; near Road 29N38. 902 Comment
  SJSU10213  Alnus incana subsp. tenuifolia C. W. Sharsmith 1983-6-8 8794 Yuba Rose Ranch c. 4 mi NE of Strawberry Valley (Yuba Co) on La Porte-Quincy Rd; Yuba & Sierra county boundary 1432 Comment
  CHSC108186  Alnus rhombifolia Lowell Ahart 2011-6-7 17385 Yuba West of a willow shrub, just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  CHSC43301  Alnus rhombifolia Lowell Ahart 1976-1-19 997 Yuba Along the edge of South Honcut Creek, near bridge, near Ramirez Road. 33 Comment
  CHSC44541  Alopecurus carolinianus Lowell Ahart 1978-4-14 1639 Yuba West of Kimball Lane and on the property of Shintaffer Farms Inc., about 2 miles north-east of Marysville. 30 Comment
  CHSC81745  Amaranthus californicus Lowell Ahart 2001-11-2 9396 Yuba Camp Far West Reservoir, about 1/4 mile northeast of the dam, about 9 miles (air) southeast of Wheatland. 83 Comment
  CDA31982  Amaranthus hybridus L. Ahart 2007-5-14 13841 Yuba East of the dirt road, 20 yards northeast of the gate, about 20 yards south of the power tower, about 20 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville Comment
  CHSC97137  Amaranthus hybridus Lowell Ahart 2007-6-30 14239 Yuba East of the dirt road, 20 yards northeast of the gate, about 20 yards south of the power tower, about 30 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 35 Comment
  UCR201766  Amaranthus powellii George K. Helmkamp, E. A. Helmkamp 2008-10-6 14209 Yuba Sacramento Valley, Ostrom #3 Road, 1.2 miles east of junction with CA-65, southeast of Olivehurst 20 Comment
  CHSC97443  Amaranthus retroflexus Lowell Ahart 2007-5-14 13840 Yuba Dry red bare soil, east of the dirt road, 20 yards northeast of the gate, about 20 yards south of the power tower, about 30 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 35 Comment
  CDA10055  Ambrosia psilostachya L. Ahart 2002-10-1 9976 Yuba On the west side of the dirt road, east of the upper part of Englebright Reservoir on the Yuba River, along Rice s Crossing Road, about 2 miles (air) north of Bridgeport, about 18 miles north of Highway 20. Comment
  CHSC83019  Ambrosia psilostachya Lowell Ahart 2002-10-10 9976 Yuba On the west side of the dirt road, east of the upper part of Englebright Reservoir on the Yuba River, along Rice's Crossing Road, about 2 miles (air) north of Bridgeport, about 18 miles north of Highway 20. 166 Comment
  CHSC97744  Ambrosia psilostachya Lowell Ahart 2007-11-8 14586 Yuba On the south edge of a small island, on the strand of Camp Far West Reservoir, about 1/2 mile south of Rock Creek, about 1/8 mile north of Bear River, about 6 miles (air) northeast of Sheridan. 91 Comment
  RSA727527  Ambrosia psilostachya L. Ahart 2007-11-8 14586 Yuba On the strand of Camp Far West Reservoir, about 1/2 mile south of Rock Creek, about 1/8 mile north of Bear River, abotu 6 miles (air) northeast of Sheridan. 91 Comment
  RSA88085  Ambrosia psilostachya J. T. Howell 1951-8-21 28288 Yuba Near Camptonville 762 Comment
  UC1127768  Amelanchier utahensis G. Burks 1933-9-26 40 Yuba 1 mi s Camptonville; Tahoe National Forest, Smartsville Quad. 822 Comment
  CHSC83058  Ammannia coccinea Lowell Ahart 2002-10-8 9944 Yuba On the edge of a pond, about 100 yards north of Long Ravine Road, about 300 yards southeast of the intersection of Camp Far West Road and Long Ravine Road there is a poor gate on the north side of the road, north of Camp Far West Reservoir. 121 Comment
  UCD37849  Amsinckia Beecher Crampton 1962-4-24 6253 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  SEINET13276745 Image available Amsinckia intermedia George K. Helmkamp 2014-1 22757 Yuba Sierra Nevada Foothills: Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mi. due S of Smartsville (Smartsville 7.5' Q.) 264 Comment
  UC1178255  Amsinckia intermedia Francia Chisaki with R. Bacigalupi and G. T. Robbins 1956-4-19 685 Yuba near Honcut Creek (above Stanfield Hill) Comment
  UCD119710  Amsinckia intermedia Barbara Yungert 1974-4-4 1 Yuba Along four wheel drive road, north of Yuba River, F-2 project area, Sierra Foothill Field Station. Comment
  CHSC96463  Amsinckia menziesii Lowell Ahart 2007-4-17 13692 Yuba On the north side of the poor dirt fireguard, about 50 yards northwest of Marysville Road and the Parking Area, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 5 1/2 miles (air) northeast of Loma Rica. 292 Comment
  UCR231311  Amsinckia retrorsa George K. Helmkamp, E. A. Helmkamp 2011-5-6 17190 Yuba East edge of Sacramento Valley, Camp Far West Road, 0.9 mile west of the junction at Camp Far West Reservoir 65 Comment
  CHSC97636  Anagallis arvensis Lowell Ahart 2007-5-14 13850 Yuba East of the dirt road, 20 yards northeast of the gate, about 20 yards south of the power tower, about 30 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 35 Comment
  UCD117557  Anagallis arvensis Barbara Yungert 1974-4-25 88 Yuba SC-14 project area, Sierra Foothill Field Station. Comment
  UCD80683  Anagallis minima CNPS SN Foothill Team 2005-3-17 SNFN 0019 e Yuba CDFG, Spenceville Wildlife Area, ca. 2/3 mile along horse trail, then SW between trail and Smartville Road. From CA Highway 20 east, turn right on Smartville Road to Spenceville Wildlife Area, CDFG. Plot is accessible from 1st Fish and Game gate on E side of Spenceville Road, Horsetrail (N/S). 195 Comment
  RSA10978  Andropogon glomeratus C. B. Wolf 1927-11-5 1436 Yuba Roadside swale, 8 mi. from Marysville on road to Browns Valley. Comment
  CDA31475  Andropogon virginicus H. Crane 1931-4-3 Yuba 0 Comment
  CAS-BOT-BC137783  Andropogon virginicus var. virginicus Roxana S. Ferris 1927-11-5 6941 Yuba 7 miles from Brown Valley on Marysville Road. Comment
  CHSC116300  Andropogon virginicus var. virginicus Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-11-14 20643 Yuba On the sides of the spillway area, at the west side and near the top of Lake Francis Dam, about 1 1/2 miles south of Dobbins. 512 Comment
  CHSC45502  Anemone oregana Lowell Ahart 1972-4-28 89 Yuba Near the West Branch Brushy Creek, about 10 miles by road east of Strawberry Valley. 1219 Comment
  SEINET5717834 Image available Anemone quinquefolia Andrea Smith 1972-1 7 Yuba Along Brandy Creek near the Pendola Ranch, about 5 miles west of Camptonville.; Camptonville 610 Comment
  JEPS94518  Angelica breweri Lowell Ahart 1997-8-7 7836 Yuba about 3 air mi ne of Challenge (abut 2 air mi se of Woodleaf, on e side of the dirt road) 853 Comment
  CHSC84145  Anisocarpus madioides Lowell Ahart 2003-7-2 10343 Yuba About 200 yards south of the 4-H Camp, on the west side of Oregon Hill Road, about 1/2 mile north of Marysville Road, about 2 miles (air) northeast of Dobbins. 815 Comment
  CHSC97777  Anisocarpus madioides Lowell Ahart 2007-11-1 14535 Yuba On the south side of Willow Creek, above the high water line of Bullards Bar Reservoir, about 1 mile northwest of Old Camptonville Road, about 1 1/2 miles (air) west of Camptonville. 627 Comment
  JEPS104293  Anisocarpus madioides Lowell Ahart 2003-7-2 10343 Yuba About 200 yd south of the 4-H Camp, on the w side of Oregon Hill Rd, ca 1/2 mi n of Marysville Rd, ca 2 mi (air) ne of Dobbins. 815 Comment
  CDA19127  Anredera cordifolia L. Dillard 2001-6-12 PDR 1197437 Yuba Sacramento Valley; Canal St., Olivehurst. 0 Comment
  CHSC97236  Anthemis cotula Lowell Ahart 2007-6-22 14224 Yuba Bottom of a new ditch, near a new road pad, about 350 yards west of the power tower, about 50 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  UCD129058  Anthemis cotula Barbara Yungert 1974-5-23 185 Yuba Sierra Foothill Field Station. Comment
  CHSC63207  Anthoxanthum odoratum Lowell Ahart 1994-6-27 7391 Yuba Near the south side of Schwartz Meadow, on the east side of La Porte Road, about 4 miles north-east of Strawberry Valley. 1219 Comment
  UCD33107  Anthoxanthum odoratum Beecher Crampton 1966-6-14 7746 Yuba 1 mile east of Brownsville on La Porte road. 731 Comment
  CHSC108220  Anthriscus caucalis Lowell Ahart 2011-6-7 17369 Yuba Just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  CHSC96490  Anthriscus caucalis Lowell Ahart 2007-4-17 13679 Yuba East of a small wash, about 1/8 mile west of Marysville Road and the Parking Area, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 5 1/2 miles (air) northeast of Loma Rica. 292 Comment
  JEPS118314  Anthriscus caucalis Lowell Ahart 2011-6-7 17369 Yuba Just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville 66 Comment
  RSA430680  Antirrhinum vexillocalyculatum subsp. intermedium David M. Thompson 1983-9-11 380 Yuba Near town of Log Cabin. Hwy. 49, 0.4 miles N of the middle of the bridge over Middle Yuba River (just N of Nevada Co. line). 480 Comment
  CHSC90335  Aphanes occidentalis Lowell Ahart 2005-3-11 11598 Yuba On the west side of the poor dirt road, about 1/2 mile west of Marysville Road, about 1/4 mile north of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 1/4 mile north of Loma Rica Road, about 5 miles (air) northeast of Loma Rica. 344 Comment
  JEPS107450  Aphanes occidentalis Lowell Ahart 2005-3-11 11598 Yuba On W side of the poor dirt road, ca. 1/2 mi W of Marysville Rd, ca. 1/4 mi N of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, ca. 1/4 mi N of Loma Rica Rd, ca. 5 mi (air) NE of Loma Rica 344 Comment
  RSA716505  Aphanes occidentalis L. Ahart 2005-3-11 11598 Yuba W side of the poor dirt road, 1/2 miles W of Marysville Road, 1/2 miles W of Marysville Road, 1/4 mile N oa Parking area 3, Daugherty Hill Wildlife area, Donovan Hill Management, 1/4 mile N of Loma Rica Road, 5 miles air NE of Loma Rica 345 Comment
  CHSC106050  Apocynum androsaemifolium Lowell Ahart 2010-7-27 16922 Yuba Disturbed area of a log landing, about 100 yards north of Scales Road, about 1/8 mile east of La Porte Quincy Road, about 3 miles (air) east of Sly Creek Reservoir Dam. 1219 Comment
  CHSC46476  Aralia californica Lowell Ahart 1980-7-25 2483 Yuba Edges of a small stream that flows into Slate Creek, near the debris dam, 1/4 mile north-east of the two steel bridges across Slate Creek, about 6 miles north-east of North Star along La Porte Road. 1097 Comment
  UCD117489  Arbutus menziesii Kathleen Kehiler 1975-4-30 76 Yuba Along Oregon Hill Road between Bullards Bar Reservoir and Challenge. Comment
  UCR168799  Arbutus menziesii David Charlton 2005-5-16 8021 Yuba Sacramento Valley, Yuba Gold Field; just south of Yuba River; c. 7.5 mi ENE of Marysville; N of Beale Air Force Base; Survey area c. 2 miles by 1 mile 46 Comment
  RSA96077  Arbutus menziesii P. C. Everett, E. K. Balls 1954-10-8 20247 Yuba Hwy. 49, Nevada City to Downieville, 3.4 mi. NE of Nevada-Yuba Co. line. 762 Comment
  UCD52283  Arctostaphylos mewukka B. F. Smith 1968-9-20 89 Yuba Gochette Ranch; 3 miles east of Challenge. 883 Comment
  SEINET11990987  Arctostaphylos truei R. Raiche, Zadnik, K.; Roberts, W. 1983-1 30116 Yuba Knox Road, Challenge Experimental Forest Comment
  UCD52570  Arctostaphylos viscida B. F. Smith 1968-9-20 90 Yuba Gochette Ranch, 3 miles east of Challenge, Yuba County, California. 883 Comment
  CAS-BOT-BC48246  Arctostaphylos viscida subsp. viscida Alice Eastwood 1918-4-7 6798 Yuba Camptonville Comment
  UC876567  Arctostaphylos viscida subsp. viscida Alice Eastwood 1918-4-7 6798 Yuba Camptonville Comment
  CHSC96842  Aristida oligantha Lowell Ahart 2007-6-22 14217 Yuba Bottom of a new ditch, near a new road pad, about 350 yards west of the power tower, about 50 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  UCD56441  Aristida oligantha Beecher Crampton 1957-6-5 4123 Yuba 10 miles E of Marysville. Along State Hwy. 20. Comment
  UCR25611  Aristida oligantha John C. Roos 1939-7-3 1517 Yuba Marysville Comment
  CAS-BOT-BC400415  Aristolochia californica Carl B. Wolf 1930-10-13 1741 Yuba Creek flowing into Yuba River, on Brown's Valley to Smartsville Road 152 Comment
  CAS-BOT-BC400416  Aristolochia californica Carl B. Wolf 1930-10-13 1741 Yuba Creek flowing into Yuba River on Brown's Valley to Smartsville Road 152 Comment
  CDA24668  Armoracia rusticana A. Worledge 1944-1 Yuba 0 Comment
  CDA24669  Armoracia rusticana A. Worledge 1944-1 Yuba 0 Comment
  CHSC84210  Arrhenatherum elatius Lowell Ahart 2003-7-6 10367 Yuba Near a meadow, east of the power line, about 50 yards northwest of Fountain Hill Road, about 5 miles (air) north of Dobbins. 836 Comment
  CHSC113199  Artemisia douglasiana Lowell Ahart 2013-11-30 19314 Yuba On the sides of a wash, about 20 yards north of Dry Creek, just above the high water line of Collins Lake, about 350 yards north of Marysville Road, about 2 1/2 miles west of Oregon House. 361 Comment
  JEPS115019  Artemisia douglasiana Lowell Ahart 2007-11-1 14543 Yuba On the south side of Willow Creek, above the high water line of Bullards Bar Reservoir, about 1 mile northwest of Old Camptonville Road, about 1 1/2 miles (air) west of Camptonville 627 Comment
  UC1119535  Artemisia douglasiana N. French 1933-6-22 82 Yuba 2 mi w Dobbin; Smartsville Quadrangle Comment
  UCR191123  Artemisia douglasiana George K. Helmkamp, E. A. Helmkamp 2007-8-29 12830 Yuba Northern Sierra Nevada Mountains Foothills, Mountain House Road 0.6 mile west of the Sierra Co. line; Sleighville area beside Willow Creek 1021 Comment
  CDA22420  Asarum hartwegii Yuba County School Children 1930-4-12 s.n. Yuba [No further data.] 0 Comment
  RSA21292  Asclepias cordifolia C. B. Wolf 1937-5-13 8637 Yuba Sierra Nevada Foothills, 2.7 mi below Stanfield Hill on road to Browns Valley 183 Comment
  SEINET10580364  Asclepias cordifolia Carl B. Wolf 1937-5-13 Wolf s.n. 1937 Yuba Sierra Nevada foothills, 2.7 mi below Stanfield Hill on road to Brown's Valley 183 Comment
  UCD121288  Asclepias cordifolia Barbara Yungert 1974-5-6 124 Yuba South side of road, SC-13 project area, Sierra Foothill Field Station. Comment
  UCD15416  Asclepias cordifolia Collector Unknown 1974-5-15 215 Yuba Yuba Co., 0.9 mi S of Camptonville on Hwy. 49; 762 Comment
  CDA39841  Asclepias fascicularis H. Crane 1932-4-2 s.n. Yuba Marysville. 0 Comment
  CHSC118496  Aspidotis densa L. P. Janeway 2016-5-11 11960 Yuba Northern High Sierra Nevada. Plumas national Forest; near head of eastern tributary of Indian Creek; west side of Road 19N53 0.4 road-km south of Road 29N13. 920 Comment
  CHSC46023  Aspidotis densa Lowell Ahart 1980-8-12 2529 Yuba About 2 miles south-east of Woodleaf. 731 Comment
  CHSC46024  Aspidotis densa Lowell Ahart 1974-7-29 686 Yuba About 50 yards south of Forbestown Road, near Costa Creek, about 2 1/2 miles east of Forbestown. 914 Comment
  CHSC87927  Aspidotis densa Lowell Ahart 2004-5-21 10937 Yuba About 20 yards north of a drainage, about 50 yards east of the road, about 1/2 mile (air) southeast of Woodleaf. 931 Comment
  CAS-BOT-BC65898  Aspidotis densa W. R. Dudley s.n. Yuba Near South Yuba Comment
  UCR191124  Aster oregonensis George K. Helmkamp, E. A. Helmkamp 2007-8-29 12831 Yuba Northern Sierra Nevada Mountains Foothills, along Hwy CA-49, 0.5 mile south of Camptonville 817 Comment
  CHSC62418  Aster radulinus L. P. Janeway 1993-9-7 4590 Yuba Plumas National Forest. About 3 mi east of Woodleaf, ca 3 mi southwest of Clipper Mills. 1043 Comment
  JEPS94622  Asyneuma prenanthoides Lowell Ahart 1997-8-7 7816 Yuba Near a branch of Little Oregon Creek, on the west side of the dirt road, Peterson Ridge Road, about 3 miles (air) southeast of Challenge. 762 Comment
  CHSC97122  Athyrium filix-femina var. cyclosorum Lowell Ahart 2007-8-7 14410 Yuba Hampshire Creek Meadow, about 80 yards east of the dirt road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  JEPS107422  Athysanus pusillus Lowell Ahart 2005-2-28 11563 Yuba West of a poor dirt road, about 1/2 mile west of Marysville Road, about 1/2 mile north of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 1/2 mile north of Loma Rica Road, about 5 miles (air) northeast of Loma Rica 400 Comment
  RSA715712  Athysanus pusillus L. Ahart 2005-2-28 11563 Yuba West of a poor dirt road, about 0.5 mile W of Marysville Road, about 0.5 mile N of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 0.5 mile N of Loma Rica Road, about 5 miles (air) NE of Loma Rica. 400 Comment
  SEINET7075556  Athysanus pusillus A. G. Vestal 1955-4-4 s.n. Yuba About 9 miles northeast of Marysville on Route 20. 39? deg. 13' 38" North Latitude, -121? deg. 24' 51" West Longitude. UTM Zone 10, 636890mE, 4342994mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  SEINET5336141  Avena barbata C. Aarstad 1979-4-28 s.n. Yuba at junct. of Rt. 20 and N fork of Yuba in Browns Valley 183 Comment
  UCD56458  Avena fatua Beecher Crampton 1962-4-24 6252 Yuba 5 miles E of Browns Valley. Sierra Foothill Range Field Station. Comment
  SEINET5336146  Avena fatua C. Aarstad 1979-4-28 s.n. Yuba at junct. of Rt. 20 and N fork of Yuba in Browns Valley 183 Comment
  CDA18795  Azolla filiculoides Deforest, Storm 2000-3-27 PDR 1199217 Yuba Loma Rica Rd., Marysville. 0 Comment
  CHSC112954  Baccharis pilularis subsp. consanguinea L. P. Janeway 2014-6-6 11580 Yuba Northern High Sierra Nevada. Plumas National Forest; small ephemeral meadow on a flattish bench at head of ephemeral northeastern tributary to Little Oregon Creek; 1.9 air km south-southeast of Pike County Peak; 0.24 km northeast of Oregon Hill Road, 0.15 km south of Peterson Ridge Road. 852 Comment
  UCD147077  Baccharis salicifolia subsp. salicifolia Chuck Hughes 2013-4-1 362 Yuba Eastern margin of Camp Far West Reservoir. 96 Comment
  CAS-BOT-BC16371  Barbarea orthoceras Lowell Ahart 1979-6-4 s.n. Yuba Along the road at Slate Creek. 1000 Comment
  UCD18434  Barbarea verna Joe DiTomaso 2001-4-12 s.n. Yuba on Peoria Rd. near junction with Sicard Flat Rd., on road to UC Sierra Foothill Research and Extension Center, shaded area along roadside of oak woodland. Comment
  CAS-BOT-BC16788  Barbarea verna Lowell Ahart 1977-4-18 s.n. Yuba Along Dry Creek, about 10 miles northeast of Marysville. 100 Comment
  CHSC87349  Berberis aquifolium var. dictyota Lowell Ahart 2004-4-27 10770 Yuba About 20 yards north of a drainage, about 50 yards east of the road, about 1/2 mile (air) southeast of Woodleaf. 931 Comment
  CAS-BOT-BC75960  Berberis pumila L. S. Rose 1931-4-14 s.n. Yuba Brownsville. Comment
  CHSC116315  Bidens frondosa Lowell Ahart 2015-11-19 20671 Yuba 100 yards or more north of the spillway area, below the high water line, west side of Lake Francis, about 1 1/2 miles south of Dobbins. 512 Comment
  CAS-BOT-BC31388  Bolboschoenus robustus A. S. Leopold 1956-7-18 s.n. Yuba 3 miles NW of Rio Oso Post Office. Comment
  CDA20322  Bothriochloa pertusa E. Storm, D. Flavell 2005-3-7 PDR 1295306 Yuba Browns Valley, UC Field Station. 0 Comment
  JEPS113710  Boykinia occidentalis Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-7-13 14297 Yuba On the south side of Hampshire Creek, below the cement dam on Hampshire Creek, east of a large wet meadow, about 100 yards east of the poor Forest Road, about 1 mile (air) east of Clipper Mills 1021 Comment
  JEPS28076  Boykinia occidentalis Rimo Bacigalupi and L. Heckard 1961-6-16 7831 Yuba on w slope of canyon North Fork of the Yuba River (just above and w of Bullards Bar Dam (second and upper crossing of this same brook)); canyon of N. Fork of the Yuba River 586 Comment
  UCD82292  Boykinia occidentalis Robin McMaster 1973-6-24 501 Yuba Oregon Creek Campground. Comment
  CAS-BOT-BC418425  Boykinia occidentalis Rimo Bacigalupi 1927-7-2 1590 Yuba Downscille Road almost 8 miles northeast of Comptonville Comment
  CAS-BOT-BC145441  Brachypodium distachyon J. T. Howell; Gordon H. True 1969-6-24 5092 Yuba Vineyard Creek ca. 4 miles south of Smartville on Beale AFB Road. 152 Comment
  CAS-BOT-BC145443  Brachypodium distachyon Lowell Ahart 1981-6-13 2848 Yuba Sierra Nevada. On west side of McGinn Hill, east of Loma Rica. 300 Comment
  CHSC107562  Brachypodium distachyon Lowell Ahart 2011-6-7 17422 Yuba West of a willow shrub, just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  RSA116442  Brachypodium distachyon Beecher Crampton 1957-6-5 4121 Yuba along Hwy. 20, 10 miles east of Marysville. Comment
  UC1153943  Brachypodium distachyon Beecher Crampton 1957-6-5 4121 Yuba 10 mi e of Marysville (along State Highway 20); State Highway 20 Comment
  UC1153944  Brachypodium distachyon Beecher Crampton 1957-6-5 4164 Yuba site of Timbuctoo, near old Wells Fargo Store Timbuctoo Comment
  UCD33668  Brachypodium distachyon Beecher Crampton 1971-6-18 8741 Yuba Yuba County, Sierra Foothill Range Field Station, ca. 6.5 miles east of Browns Valley, east of headquarters. Comment
  UCD56999  Brachypodium distachyon Beecher Crampton 1971-6-18 8741 Yuba Sierra Foothill Range Field Station. Ca. 6.5 miles E of Browns Valley. Comment
  UCR168805  Brachypodium distachyon David Charlton 2005-5-16 8033 Yuba Sacramento Valley, Yuba Gold Field; just south of Yuba River; c. 7.5 mi ENE of Marysville; N of Beale Air Force Base; Survey area c. 2 miles by 1 mile 46 Comment
  CHSC46911  Brickellia greenei Lowell Ahart 1980-8-12 2534 Yuba Slate Creek, a little below where Gold Run Creek flows into Slate Creek, above Onion Creek, about 7 miles south of La Porte. 1158 Comment
  CAS-BOT-BC145431  Briza maxima Lowell Ahart 2007-5-14 13863 Yuba About 250 yards west of the power tower, power tower is about 30 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 35 Comment
  SEINET3828409  Briza maxima George K. Helmcamp, E. A. Helmkamp 2011-1 17213 Yuba Eastern edge of Sacramento Valley: Camp Far West Road 1.3 miles southeast of it's junction with Spencerville road. 5.25 mi. NE (52 degrees) of Wheatland (camp far west 7.5') 62 Comment
  SEINET3837936 Image available Briza maxima George K. Helmkamp, E. A. Helmkamp 2011-5-6 17210 Yuba East edge of Sacramento Valley: junction of Camp Far West Road and Spenceville Road, 5.4 mi NE of Wheatland (Camp Far West) 56 Comment
  UCD57363  Briza maxima Beecher Crampton 1969-5-12 8445 Yuba 2 miles west of Smartsville. State Hwy. 20. Comment
  CAS-BOT-BC145502  Briza minor Gordon H. True 1963-4-17 1178 Yuba About 10 miles east of Marysville, on Marysville-Grass Valley Highway. 30 Comment
  CHSC97656  Briza minor Lowell Ahart 2007-5-12 13822 Yuba About 20 yards northeast of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  SEINET3440065 Image available Briza minor George K. Helmkamp, E. A. Helmkamp 2011-5-6 17187 Yuba East edge of Sacramento Valley: Camp Far West Road, 0.3 mi N of the junction with Hokan lane, vicinity of Camp Far West Reservoir 105 Comment
  SEINET4344868  Briza minor A. Tiehm 1975-1 644 Yuba U.C. Sierra Foothill Field station 274 Comment
  SEINET7067145  Briza minor A. G. Vestal 1947-4-30 s.n. Yuba About 5.1 miles west of Smartville. Coordinate datum: NAD27. UTM Zone 10, 641421mE, 4340515mN. Comment
  UCD57408  Briza minor Beecher Crampton 1962-4-24 6300 Yuba 5 miles E of Browns Valley. Sierra Foothill Range Field Station. Comment
  SEINET5718966 Image available Briza minor Meredith Sinclair 1974-1 36 Yuba University of California Sierra Foothill Range Field Station.; UC Foothill Field Station 457 Comment
  UCD139146  Brodiaea R. E. Preston 1996-5-22 936 Yuba Beale Air Force Base. 30 Comment
  SEINET10533747  Brodiaea bridgesii Lewis S. Rose 1940-5-28 Rose 40404 Yuba Dobbins. 1700 feet. Comment
  UCR231316  Brodiaea californica var. californica George K. Helmkamp, E. A. Helmkamp 2011-5-6 17196 Yuba East edge of Sacramento Valley, Camp Far West Road, 2.3 miles northwest of the junction at Camp Far West Reservoir, 5.3 miles NE (53 deg. ) of Wheatland 55 Comment
  UCR232226  Brodiaea californica var. californica George K. Helmkamp, E. A. Helmkamp 2011-5-6 17211 Yuba Eastern edge of Sacramento Valley, Camp Far West Road, 1.3 miles southeast of its junction with Spenceville Road, 5.25 mi. NE (52 deg. ) of Wheatland 62 Comment
  UCD77189  Brodiaea coronaria Robert E. Preston 2004-4-25 2226 Yuba Ca. 6.25 mi NE of Wheatland, along Camp Far West Rd. 99 Comment
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Jun 17 2014
  CAS-BOT-BC484284  Brodiaea elegans subsp. elegans Alice Eastwood 1921-5-22 10583 Yuba Los Verjeles Comment
  UCD139169  Brodiaea elegans subsp. elegans Barbara Yungert 1974-5-13 146 Yuba east side of road between the old headquarters and the river, Sierra Foothill Field Station. Comment
  CHSC107158  Brodiaea minor L. P. Janeway 2011-7-5 10489 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. Small grassy meadow. Plants abundant in moderately dry grassy parts of the meadow. 750 Comment
  CHSC115906  Brodiaea minor L. P. Janeway 2015-6-29 11784 Yuba Northern High Sierra Nevada. Plumas National Forest; Weiss Hill Meadow, a large meadow 600 air-km east-southeast of junction of Weiss Hill Road and Forbestown Road; at the head of a minor northwestern tributary to New York Creek. 853 Comment
  CHSC22961  Brodiaea minor Robert A. Schlising 1963-5-3 2546 Yuba 29.4 miles west of Nevada City along Hwy 20. Comment
  SD240787  Brodiaea minor George K. Helmkamp, E. A. Helmkamp 2011-5-6 17198 Yuba East of Sacramento Valley: Camp Far West Road, 2.3 miles northwest of the junction at Camp Far West Reservoir, 5.3 miles NE (53a^z) of Wheatland (Camp Far West 7.5'Q) 54 Comment
  UCD77170  Brodiaea minor Robert E. Preston 2004-6-12 2258 Yuba 0.9 mi E of Dobbins, along Marysville Rd 644 Comment
  RSA151938  Brodiaea minor Rimo C. Bacigalupi, L. R. Heckard, Ruth D. Sanderson, G. Bacigalupi 1952-6-20 3759 Yuba Along road from Brownsville to Oregon House, just N of Washington Mill and 1.5 miles due S of Brownsville. 610 Comment
  CAS-BOT-BC484573  Brodiaea purdyi Lewis S. Rose 1940-5-28 40402 Yuba Oregon House 457 Comment
  CHSC112957  Brodiaea sierrae L. P. Janeway 2014-6-26 11422 Yuba Northern High Sierra Nevada. Plumas National Forest; small ephemeral meadow on a flattish bench at head of ephemeral northeastern tributary to Little Oregon Creek; 1.9 air km south-southeast of Pike County Peak; 0.24 km northeast of Oregon Hill Road, 0.15 km south of Peterson Ridge Road. 852 Comment
  CHSC112959  Brodiaea sierrae L. P. Janeway 2014-7-2 11437 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.6 air-km east of Challenge, along Road 19N03 1.3 road mi north of its crossing of Indian Creek, on slopes just east of the creek. 834 Comment
  CHSC112963  Brodiaea sierrae L. P. Janeway 2014-7-2 11432 Yuba Northern High Sierra Nevada. Plumas National Forest; Peterson Ridge Road rounding the southeast-trending ridge between Indian Creek and the un-named creek south of that; 2.4 air-km east of Pike County Peak. 820 Comment
  CHSC113647  Brodiaea sierrae L. P. Janeway 2014-6-24 11415 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 480 m northeast of Marysville Road. 756 Comment
  CHSC71464  Brodiaea sierrae Lowell Ahart 1998-7-19 8050 Yuba On dry rocky serpentine soil, on the north side of the dirt road, about 3/4 mile southeast of Woodleaf. 960 Comment
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Jan 29 2013
  JEPS94517  Brodiaea sierrae Lowell Ahart 1997-8-7 7826 Yuba about 3 air mi se of Challenge (on w side of the dirt road, near an unnamed stream, Peterson Ridge Road); Peterson Ridge Road 762 Comment
  UCD78202  Brodiaea sierrae R. E. Preston 2002-6-28 1894 Yuba Brownsville, at jct Willow Glen Rd and Holmer Way. 626 Comment
  RSA319549  Bromus Patricia Wilder 1971-6-23 5204 Yuba Feather River. Two miles southeast of Forbestown on Challenge cut-off near junction with Forbestown Road. 762 Comment
  UCD32529  Bromus carinatus Beecher Crampton 1954-5-10 1845 Yuba Yuba County, 6 miles south of Camptonville, along highway 49, north slope near the middle of the Yuba River. Comment
  UCD57974  Bromus carinatus Beecher Crampton 1957-6-5 4152 Yuba Opposite Oregon House Store. Comment
  CHSC37192  Bromus carinatus var. marginatus L. Ahart 1982-7-4 3661 Yuba Ca. 1/2 mi e of Brownsville, along LaPorte Rd. 700 Comment
  SEINET4391148  Bromus diandrus A. Tiehm 1975-1 637 Yuba U.C. Sierra Foothill Field Station 198 Comment
  UCD59506  Bromus diandrus Beecher Crampton 1957-6-5 4150 Yuba 1/2 mile W of Oregon House Post Office. Comment
  UCR258221  Bromus diandrus George K. Helmkamp, Amy Barnes 2013-3-28 20259 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  CAS-BOT-BC155483  Bromus hordeaceus Gordon H. True 1968-5-6 4230 Yuba Near Gales Orchard ca. 6 miles east of Camptonville. 1249 Comment
  JEPS118732  Bromus hordeaceus L. P. Janeway and Melanie Williams, Tim Hanson 2011-6-9 10374 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. French Corral 7.5' quad. Comment
  UCD58825  Bromus hordeaceus Beecher Crampton 1962-4-24 6244 Yuba 5 miles E of Browns Valley. Sierra Foothill Range Field Station. Comment
  UCR230632  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2011-5-6 17201 Yuba East edge of Sacramento Valley, Spenceville Road, 4.2 miles northwest of Wheatland 55 Comment
  UCR231331  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2011-5-6 17186 Yuba East edge of Sacramento Valley, Camp Far West Road, 0.3 mile north of the junction with Hokan Lane, vicinity of Camp Far West Reservoir 105 Comment
  SEINET4391209  Bromus hordeaceus A. Tiehm 1975-4-25 633 B Yuba U.C. Sierra Foothill Field Station 198 Comment
  CHSC63307  Bromus laevipes Lowell Ahart 1994-6-5 7299 Yuba On the east side of Costa Creek, on the south side of Forbestown Road, about 3 (air) miles east of Forbestown. 853 Comment
  JEPS95516  Bromus laevipes Lowell Ahart 1994-6-5 7299 Yuba 3 air miles E of Forbestown (E side of Costa Creek, S side of Forbestown Road) 853 Comment
  UCD58933  Bromus laevipes Beecher Crampton 1957-6-5 4162 Yuba 3 miles east of Oregon House Store. Comment
  CHSC113665  Bromus madritensis subsp. madritensis L. P. Janeway 2014-5-12 11245 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. 750 Comment
  CAS-BOT-BC162207  Bromus orcuttianus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54081 Yuba Sierra Nevada. About 2 miles northeast of Dobbins on Oregon Hill Road. 701 Comment
  CHSC40951  Bromus orcuttianus J. D. Jokerst 1984-7-5 2082 Yuba Canyon of Deadwood Creek, between the creek and Weed Point. 883 Comment
  SEINET3450783  Bromus orcuttianus Unknown 2003-7-2 10340 Yuba Dobbins, Dobbins, about 2 air miles north, about 200 yards south of the 4-H Camp on the west side of Oregon Hill Road, about 0.5 miles north of Marysville Road Comment
  CHSC107151  Bromus racemosus L. P. Janeway; Melanie Williams, Tim Hanson 2011-6-9 10375 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. Small grassy meadow. Plants scattered in an area of slight water sheet flow. 750 Comment
  JEPS118724  Bromus racemosus L. P. Janeway and Melanie Williams, Tim Hanson 2011-6-9 10375 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. French Corral 7.5' quad. Comment
  SEINET4404366  Bromus rubens A. Tiehm 1975-1 650 Yuba U.C. Sierra Foothill Field Station 274 Comment
  UCD59706  Bromus sterilis Beecher Crampton 1954-5-10 1846 Yuba Hwy. 49, north slope of the middle Yuba River, 6 miles south of Camptonville. Comment
  UCD59722  Bromus sterilis Beecher Crampton 1966-6-14 7744 Yuba 1 mile east of Brownsville. 731 Comment
  UCD57065  Buchloe dactyloides R. E. Preston 1996-4-11 927 Yuba Beale Air Force Base. Adjacent to parking lot N of Air Combat Command. 33 Comment
  CHSC107560  Calandrinia ciliata Lowell Ahart 2011-6-7 17409 Yuba West of a willow shrub, just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  JEPS118295  Calandrinia ciliata Lowell Ahart 2011-6-7 17409 Yuba West of a willow shrub, just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville 66 Comment
  CHSC96476  Callitriche heterophylla var. bolanderi Lowell Ahart 2007-4-17 13684 Yuba In shallow water of a small wash, about 1/8 mile west of Marysville Road and the Parking Area, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 5 1/2 miles (air) northeast of Loma Rica. 292 Comment
  CHSC116033  Callitriche heterophylla var. heterophylla Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-11-14 20649 Yuba North of the spillway area, at the west side and near top of Lake Francis Dam, below the high water line of Lake Francis, about 1-1/2 miles south of Dobbins. 512 Comment
  JEPS32892  Callitriche longipedunculata A. A. Heller 1905-3-21 7561 Yuba At Marysville Comment
  CAS-BOT-BC487491  Calochortus albus Barbara T. Keller 1975-6-10 1516 Yuba Willow Glen Rd. from Stanfield Hill to Brownsville, about 11.5 miles north of junction with Marysville Road Comment
  UC477576  Calochortus coeruleus L. S. Smith May 1931 Yuba Camptonville Dist. Tahoe National Forest Comment
  CAS-BOT-BC487812  Calochortus coeruleus L. S. Smith 1931-5-1 s.n. Yuba Near Camptonville, Rebel Ridge 548 Comment
  SEINET7067129  Calochortus luteus A. G. Vestal 1947-4-29 s.n. Yuba About 5 miles west of Smartville on the Smartville Road. Coordinate datum: NAD27. UTM Zone 10, 640771mE, 4339031mN. Comment
  CAS-BOT-BC483431  Calochortus luteus Mrs. J. E. Cramsie 1923-5-22 s.n. Yuba Smartville Comment
  SEINET8197375  Calochortus luteus C. Aarstad 1979-4-28 s.n. Yuba Junction of Rte 20 and North Fork of Yuba River in Browns Valley. 183 Comment
  CHSC100720  Calochortus monophyllus L. P. Janeway 2008-5-11 9357 Yuba Northern High Sierra Nevada. About 0.8 km north-northeast of Challenge; Golden Gate Ravine side of the ridge between that and Jordan Creek; west side of Road 19N04 1.1 km north-northwest of Challenge-La Porte Road. At top of dry northwest-sloping swale. 1012 Comment
  CHSC10605  Calochortus monophyllus Lowell Ahart 1968-5-15 Yuba Near Bullards Bar Dam. 914 Comment
  CHSC112846  Calochortus monophyllus L. P. Janeway 2014-4-15 11225 Yuba Northern High Sierra Nevada. Plumas National Forest; about halfway between Summit Hill and New Bullards Bar Reservoir (North Yuba River), near Road 18N01A close to its lower end. 860 Comment
  SBBG16191  Calochortus monophyllus H. and M. Dearing 1939-5-6 3282 Yuba near Challenge Comment
  RSA166672  Calochortus monophyllus H. Dearing, M. Dearing 1939-5-6 3282 Yuba Near Challenge Comment
  RSA232243  Calochortus monophyllus James Henrickson 1969-5-25 3448 Yuba Ca. 60 miles northeast of Yuba City, 1 mile west of Sierra County line along Highway 49 Comment
  SEINET12044650  Calochortus monophyllus L. S. Rose 1931-1 s.n. Yuba Woodleaf, Sierra Nevada Comment
  SEINET12044652  Calochortus monophyllus L. S. Rose 1933-1 33196 Yuba Brownsville 640 Comment
  UC477575  Calochortus nudus L. S. Smith May 1931 Yuba Camptonville Dist. Tahoe National Forest Comment
  SEINET5725034 Image available Calochortus superbus Roy H. Saigo 1961-1 43 Yuba 16.3 miles west of Marysville, on route 20; Marysville Comment
  SEINET7072989  Calochortus venustus A. G. Vestal 1963-5-30 s.n. Yuba About 5.3 miles north of Dry Creek [on the Peoria Road]. Coordinate datum WGS84/NAD83. (39? deg. 18' 9" North Latitude, -121? deg. 22' 33" West Longitude. UTM Zone 10, 640009mE, 4353245mN. Coordinate datum: NAD27). Comment
  CHSC78233  Calycadenia multiglandulosa Lowell Ahart 2000-7-13 8581 Yuba On the south side of Ridge Road, about 1/4 mile west of Our House, about 2 miles (air) east of Celestial Valley, about 2 1/2 miles (air) southeast of Camptonville. 975 Comment
  JEPS118681  Calycadenia multiglandulosa L. P. Janeway 2011-7-5 10487 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. French Corral 7.5' quad. Comment
  JEPS94947  Calycadenia multiglandulosa Lowell Ahart 1997-8-7 7805 Yuba 1 mi n of Brownsville (on n side of New York Flat Road about 1 mi nw of La Porte Road); New York Flat Road 731 Comment
  CAS-BOT-BC270734  Calycadenia multiglandulosa Lewis S. Rose 1940-5-28 40399 Yuba Oregon House 457 Comment
  UCD129737  Calycadenia multiglandulosa Gerald D. Carr 1971-8-15 632 Yuba 0.6 mile north of Oregon House Post Office on road to Brownsville. Comment
  POM186826  Calycadenia multiglandulosa subsp. bicolor D. D. Keck 1932-7-1 1610 Yuba 2 miles E of Dobbins 762 Comment
  RSA255478  Calycadenia multiglandulosa subsp. bicolor Gerald D. Carr 1971-8-15 632 Yuba 0.6 miles north of Oregon House Post Office on road to Brownsville Comment
  SEINET11836280  Calycadenia oppositifolia L. S. Rose 1940-1 40399 Yuba Oregon House 457 Comment
  UC1119095  Calycadenia spicata M. A. Elvin 1933-6-6 27 Yuba 4 mi sw of Courtney Cross; Smartsville 60 Comment
  UC1143024  Calycadenia spicata M. A. Elvin 1933-7-1 38 Yuba 2 mi w of Lafferty Peak; Smartsville 152 Comment
  CDA10582  Calycadenia truncata L. Ahart 2002-10-1 9977 Yuba On the east side of the dirt road, east of the upper part of Englebright Reservoir on the Yuba River, along Rice s Crossing Road, about 2 miles (air) north of Bridgeport, about 18 miles north of Highway 20. Comment
  CHSC83020  Calycadenia truncata Lowell Ahart 2002-10-10 9977 Yuba On the east side of the dirt road, east of the upper part of Englebright Reservoir on the Yuba River, along Rice's Crossing Road, about 2 miles (air) north of Bridgeport, about 18 miles north of Highway 20. 166 Comment
  JEPS103338  Calycadenia truncata Lowell Ahart 2002-10-10 9977 Yuba On the E side of the dirt road, E of the upper part of Englebright Reservoir on the Yuba River, along Rice's Crossing Road, ca 2 miles (air) N of Bridgeport, ca 18 miles N of Highway 20. 166 Comment
  CHSC117665  Calycanthus occidentalis Lowell Ahart 2016-8-30 21319 Yuba In ravine on the north side of a dirt road, about one mile east of Challenge. Comment
  JEPS127132  Calycanthus occidentalis Lowell Ahart 2016-8-30 21319 Yuba About one mile east of Challenge. Comment
  UC1126247  Calycanthus occidentalis M. A. Elvin 1933-7-7 44 Yuba 2 mi e Oregon House; Smartsville Quad. 487 Comment
  UCD137935  Calycanthus occidentalis Barbara Yungert 1974-5-20 166 Yuba along Porter Creek south of station headquarters, Sierra Foothill Field Station. Comment
  UCD82844  Calycanthus occidentalis Robin McMaster 1973-6-24 496 Yuba Oregon Creek Campground. Comment
  JEPS104133  Calyptridium monospermum Lowell Ahart 2003-10-29 10685 Yuba On the south side of Lost Creek, below the high water line of Sly Creek Reservoir, ca 400 yd sw of the Day Camp, Sly Creek Reservoir. 1072 Comment
  OBI48880  Calyptridium monospermum Lewis S. Rose 1939-6-6 39230 Yuba 2 mi NE of Clipper Mills 1173 Comment
  UC852134  Calyptridium monospermum Lewis S. Rose 1939-6-6 39230 Yuba 2 mi ne of Clipper Mills 1173 Comment
  UC1794943  Calystegia occidentalis subsp. occidentalis R. K. Brummitt 1997-6-3 19642 Yuba near junction of Allegheny Road and Rte. 49, 4 km NE of N. San Juan 700 Comment
  CHSC63135  Calystegia occidentalis subsp. occidentalis Lowell Ahart 1994-6-27 7400 Yuba On dry red rocky soil, along the north side of a small stream, on the east bank of the logging road, east of Schwartz Meadow, on the east side of La Porte Road, about 4 miles north-east of Strawberry Valley. 1219 Comment
  CHSC70244  Calystegia occidentalis subsp. occidentalis R. A. Schlising; L. A. Bellue 1973-6-13 3097 Yuba 3.8 mi SE of Challenge, along Oregon Hill Road. Comment
  CHSC110318  Camassia quamash subsp. breviflora L. P. Janeway 2013-6-7 11131 Yuba Northern High Sierra Nevada. Headwaters of Cottage Creek, one of a series of meadows; 0.15 km southwest of Oregon Hill Road, 1.3 air km northeast of Oregon Peak. 815 Comment
  CHSC49647  Camassia quamash subsp. breviflora Vernon Oswald 1984-6-25 1310 Yuba E21 between Challenge and LaPorte, ca. 250 ft S of the Plumas Co. line. 1280 Comment
  CDA14564  Campanula prenanthoides G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3043 Yuba Oregon Hill Road, 0.1 mile north of Marysville Road, southwest of Bullards Bar Dam. 701 Comment
  CHSC3324  Capsella bursa-pastoris M. Gregg 1966-3-13 38 Yuba Northeast of Marysville on the Slaughter House Rd. 1/4 mile from the levee. Both sides of the road. Comment
  UCD114164  Capsella bursa-pastoris Barbara Yungert 1974-4-10 11 Yuba irrigated pasture along Porter Creek, SC-5 project area, Sierra Foothill Field Station. Comment
  CAS-BOT-BC520406  Cardamine breweri Lowell Ahart 1978-5-31 1748 Yuba Edge of the South Fork of the Feather River, 0.5 mi above the Golden Trout Crossing, approx. 4 mi W of Sly Creek Reservoir, W of Strawberry Valley 750 Comment
  CAS-BOT-BC37799  Cardamine nuttallii Alice Eastwood 1918-4-7 s.n. Yuba Camptonville. Comment
  RSA715480  Cardamine oligosperma L. Ahart 2005-3-11 11600 Yuba West of a large rock outcrop, about 1/2 mile W of Marysville Road, about 1/2 mile N of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 1/2 mile N of Loma Rica Road, about 5 miles (air) NE of Loma Rica. 386 Comment
  CHSC87347  Cardamine pachystigma var. pachystigma Lowell Ahart 2004-4-27 10767 Yuba About 20 yards north of a drainage, about 50 yards east of the road, about 1/2 mile (air) southeast of Woodleaf. 931 Comment
  RSA634972  Cardaria draba Michael A. Vincent 1999-6-12 8637 Yuba Along canal parallel to Rt. 20 at junction with Feather River Blvd., 0.4 mile N of Sutter county line, Marysville. Comment
  JEPS118319  Carduus pycnocephalus Lowell Ahart 2011-6-7 17374 Yuba Grassy road margin, about 50 yards south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville 66 Comment
  CHSC107162  Carduus pycnocephalus subsp. pycnocephalus L. P. Janeway 2011-6-2 10355 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. Small grassy meadow, fire-killed areas of manzanita in and around the meadow. Plants under burned manzanitas and burned areas into edge of forest. 750 Comment
  CHSC105967  Carex amplifolia Lowell Ahart 2010-9-9 17142 Yuba In a small meadow, about 50 yards east of the dirt road (road now destroyed), east part of Hampshire Creek Meadow, about 1 mile (air) east of Clipper Mills. 1015 Comment
  JEPS113714  Carex amplifolia Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-7-13 14296 Yuba On the south side of Hampshire Creek, on the southeast side of a large wet meadow, about 80 yards east of the poor Forest Road, about 1 mile (air) east of Clipper Mills 1021 Comment
  UC1552705  Carex amplifolia Frederica Bowcutt 1985-6-8 589 Yuba 1 air mi se Canptonville (along Oregon Creek, 12 air mi n of Nevada City); Tahoe National Forest, Oregon Creek 762 Comment
  CHSC106049  Carex angustata Lowell Ahart 2010-7-27 16917 Yuba Along small streams in the meadow, on the north side of Scales Road, about 1/8 mile east of La Porte Quincy Road, about 3 miles (air) east of Sly Creek Reservoir Dam. 1219 Comment
  JEPS117652  Carex angustata Lowell Ahart 2010-7-27 16917 Yuba Along small streams in the meadow, on the north side of Scales Road, about 1/8 mile east of La Porte Quincy Road, about 3 miles (air) east of Sly Creek Reservoir Dam 1219 Comment
  UCD80245  Carex angustata CNPS SN Foothill Team 2005-3-16 SNFN 0017 a Yuba 187 Comment
  CHSC112130  Carex barbarae L. P. Janeway; James Nixon, Eduardo Gonzales 2014-7-2 11431 Yuba Northern High Sierra Nevada. Plumas National Forest; meadow opening just northeast of Little Oregon Creek and 0.2 km east of Oregon Hill Road; 7.3 air-km southeast of Challenge. 625 Comment
  CHSC110879  Carex cyrtostachya L. P. Janeway; Lowell Ahart, Linnea Hanson 2007-7-13 9116 Yuba Northern High Sierra Nevada. Plumas National Forest; Hampshire Creek meadow, 1.5 air km east of Clipper Mills and 1.8 air km northwest of North Yuba River. 1026 Comment
  CHSC112091  Carex cyrtostachya L. P. Janeway 2014-8-26 11571 Yuba Northern High Sierra Nevada. Plumas National Forest; about 50 m east of Oregon Hill Road, about 1 km south of Little Oregon Creek; 8 air-km southeast of Challenge. 668 Comment
  CHSC115738  Carex cyrtostachya P. F. Zika; B. Wilson, L. Ahart, L. Janeway 2011-8-5 25718 Yuba Hampshire Meadow, 1 air mile E of Clipper Mills, northr Sierra Nevada Highlands. 1025 Comment
  HSC103662  Carex cyrtostachya L. P. Janeway, L. Ahart, Linnea Hanson 2007-7-13 9116 Yuba Northern High Sierra Nevada. Plumas National Forest; Hampshire Creek meadow, 1.5 air km. E of Clipper Mills and 1.8 air km. NW of North Yuba River 1026 Comment
  UCD80255  Carex densa CNPS SN Foothill Team 2005-3-17 SNFN 0041 Yuba CDFG Spenceville Wildlife Area. The seep is upslope to the SW of Jones Road, less than 100 m from gate at intersection with Spenceville Road. 100 Comment
  CHSC63192  Carex echinata subsp. echinata Lowell Ahart 1994-6-27 7385 Yuba Meadow, north of the dirt road that goes from La Porte Road to the Poverty Hill Mine (County Road), east of Schwartz Meadow, about 4 miles north-east of Strawberry Valley. 1219 Comment
  SEINET10588483  Carex echinata subsp. echinata Lowell Ahart 2000-6-23 Ahart 8508 Yuba T20N, R8E, northwest 1/4 Section 15. About 200 yards east of the meadow along La Porte Road, about 50 yards north of Scales Road, about 3 miles northeast of Strawberry Valley. 1219 Comment
  CAS-BOT-BC19989  Carex feta Barbara T. Keller 1975-6-10 1495 Yuba Challenge Experimental Forest on La Porte Road near Challenge. 762 Comment
  CHSC76810  Carex feta G. Douglas Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3052 Yuba Meadow 3.6 miles NE of Strawberry Valley on La Porte-Quincy Road, at the county line with Plumas Co. 1280 Comment
  CHSC84215  Carex feta Lowell Ahart 2003-7-6 10361 Yuba In a meadow, east of the power line, about 60 yards northwest of Fountain Hill Road, about 5 miles (air) north of Dobbins. 836 Comment
  JEPS95526  Carex feta Lowell Ahart 1994-6-5 7307 Yuba 3 air miles E of Forbestown (E side of Forbestown Road) 853 Comment
  SEINET13352664  Carex feta P. F. Zika, Peter F. Zika 2010-6-22 24978 Yuba W side of Challenge cut-off, 2.5 air km NE of Brownsville, northern Sierra Nevada Highland (n SNH) Comment
  SEINET4291980 Image available Carex feta A. L. Hipp, Clifton, G 1999-1 ah 385 Yuba Marysville Road Comment
  CHSC63286  Carex fracta Lowell Ahart 1994-6-5 7307 Yuba Small open meadow in forest, on the east side of Forbestown Road, about 3 (air) miles east of Forbestown. 853 Comment
  JEPS113336  Carex gracilior L. P. Janeway 2006-5-24 8631 Yuba Northern Sierra Nevada Foothills. South Side of Frenchtown Road 1.2 km northeast of Marysville Road and Oregon House. Comment
  SEINET4292203 Image available Carex gracilior Unknown 2006-1 8631 Yuba Northern Sierra Nevada Foothills. South side of Frenchtown road 1.2 road km northeast of Marysville Road and Oregon House. Oregon House 7.5' Quad. Comment
  UC836272  Carex gracilior Lewis S. Rose 1940-5-28 40380 Yuba Browns Valley 60 Comment
  CAS-BOT-BC146668  Carex hirtissima Peter H. Raven 1953-5-9 5475 Yuba 1 mile from Brownsville on road to Challenge Comment
  CHSC106655  Carex hirtissima Peter F. Zika 2010-6-22 24979 Yuba Northern Sierra Nevada Highlands (n SNH); W side of Challenge Cut-off, 2.5 air km NE of Brownsville.. 755 Comment
  CHSC84464  Carex hirtissima Lowell Ahart 2003-7-6 10359 Yuba In meadow, east of the power line, about 60 yards northwest of Fountain Hill Road, about 5 miles (air) north of Dobbins. 836 Comment
  JEPS104243  Carex hirtissima Lowell Ahart 2003-7-6 10359 Yuba In meadow, e of the power line, ca 60 yd nw of Fountain Hill Rd, ca 5 mi (air) n of Dobbins. 836 Comment
  JEPS87677  Carex hirtissima Lowell Ahart 1994-6-5 7304 Yuba ca. 3 (air) mi e Forbestown (s side of creek, e side of Forbestown Rd.); Costa Creek 853 Comment
  JEPS87678  Carex hirtissima Lowell Ahart 1994-6-5 7304 Yuba ca. 3 (air) mi e Forbestown (s side of creek, e side of Forbestown Rd.); Costa Creek 853 Comment
  UCD81490  Carex lenticularis Christopher Michael Bronny 2009-3-23 2 Yuba Lower Sierra Nevada foothills. Area near Loma Rica. Brown's Valley Irrigation Ditch. 152 Comment
  CAS-BOT-BC32183  Carex multicaulis Lowell Ahart 1969-5-18 s.n. Yuba Slate Creek, 10 miles S of La Porte. 914 Comment
  CAS-BOT-BC117395  Carex senta Holiday Matchett 1965-5-1 80 Yuba 10 miles W of Strawberry Valley on Lost Creek. 609 Comment
  UCD33113  Carex stipata var. stipata Beecher Crampton 1966-6-14 7758 Yuba 1 mile east of Brownsville on La Porte road. 731 Comment
  SEINET7577235 Image available Carex subfusca Andrew L. Hipp, Glen C. Clifton 1999-5-29 400 Yuba Little Oregon Creek. Comment
  CAS-BOT-BC499133  Carex xerophila Peter F. Zika; L. P. Janeway 2012-5-16 25870 Yuba Ponderosa Way near LaPorte Road, picnic area N of airport, 2.7 air km WSW of Russ Hill, Brownsville 665 Comment
  CHSC115874  Carex xerophila Peter F. Zika; L. P. Janeway 2012-5-16 25871 Yuba Just e of junction of Jiggs Road and Ponderosa Way, 3 air km W of Ruff Hill, Brownsville. 715 Comment
  RSA0058984  Carex xerophila Peter F. Zika, L. P. Janeway 2012-5-16 25871 Yuba Just E of junction of Jiggs Road and Ponderosa Way, 3 air km W of Ruff Hill, Brownsville. Northern Sierra Nevada Foothill/Highlands boundary (n SNF/H). Adjacent to Brownsville dump. 715 Comment
  UCD168843  Carex xerophila Peter. F. Zika; L. P. Janeway 2012-5-16 25871 Yuba Northern Sierra Nevada Foothill/Highlands boundary (n SNF/H). Just E of junction of Jiggs Road and Ponderosa Way, 3 air km W of Ruff Hill, Brownsville. 715 Comment
  UCD80256  Carex xerophila CNPS SN Foothill Team 2005-5-31 SNFN 0329 a Yuba BLM Ponderosa Landfill, east of the defunct landfill. 699 Comment
  UCR261235  Carex xerophila Peter F. Zika, L. P. Janeway 2012-5-16 25871 Yuba Northern Sierra Nevada Range, foothill/highlands, just east of junction of Jiggs Road and Ponderosa Way, 3 air km west of Ruff Hill, Brownsvill 715 Comment
  UCD23259  Castilleja applegatei W. R. Powell 1968-5-15 1499 Yuba 2 miles NE of Dobbins on Fountain House Road. 792 Comment
  RSA0117085  Castilleja applegatei subsp. pinetorum Lowell A. Ahart 2015-5-9 20147 Yuba On the west side of the road, on the steep road cut, Highway 49, about 1 mile northeast of the intersection of Marysville Road and Highway 49, about 2 miles southwest of Camptonville. 804 Comment
  SEINET7042622  Castilleja attenuata A. G. Vestal 1963-5-7 s.n. Yuba Ca. 3.5 miles north of Wheatland. Camp Far West quadrangle UTM Zone 10, 640908mE, 4323324mN. Comment
  UCD122329  Castilleja attenuata W. R. Powell 1968-4-24 1475 Yuba Along Spring Valley Road, 1 1/2 miles northwest of Browns Valley. 106 Comment
  CHSC97645  Castilleja campestris subsp. campestris Lowell Ahart 2007-5-12 13816 Yuba Bottom of a swale, about 100 yards southwest of the second power tower, about 300 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  JEPS113627  Castilleja campestris subsp. campestris Lowell Ahart 2007-5-12 13816 Yuba Bottom of a swale, about 100 yards southwest of the second power tower, about 300 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  JEPS113299  Castilleja lacera L. P. Janeway 2006-5-24 8632 Yuba Northern Sierra Nevada Foothills. South side of Frenchtown Road 1.2 road km northeast of Marysville Road and Oregon House. Comment
  UCD122592  Castilleja lineariloba Barbara Yungert 1974-4-25 89 Yuba SC-14 project area, Sierra Foothill Field Station. Comment
  CHSC43534  Castilleja pruinosa Lowell Ahart 1979-6-25 1948 Yuba About 2 miles east of Challenge. 670 Comment
  JEPS123870  Castilleja pruinosa Lowell Ahart 2015-4-30 20128 Yuba About 3 miles (air) southeast of Challenge. Comment
  JEPS123877  Castilleja pruinosa Lowell Ahart 2015-4-30 20135 Yuba About 2 1/4 miles (air) southwest of the Brownsville, about 2 miles (air) northeast of Rackerby. Comment
  SD147493  Castilleja pruinosa Lowell Ahart 1980-6-19 2411 Yuba 4 miles east of Challenge 900 Comment
  SJSU14229  Castilleja pruinosa N. A. Hopkins 1989-4-28 1481 Yuba Ridge Rd to Allegheny c. 3 mi off Hwy 49 1219 Comment
  CHSC63176  Castilleja tenuis Lowell Ahart 1994-6-27 7377 Yuba Near the south side of Schwartz Meadow, on the east side of La Porte Road, about 4 miles north-east of Strawberry Valley. 1219 Comment
  UC1070953  Ceanothus cordulatus G. Burks 1933-8-1 18 Yuba 2 mi e Bullard's Bar Dam; Smartsville quad, Tahos National Forest 670 Comment
  UCD37863  Ceanothus cuneatus Beecher Crampton 1962-4-24 6275 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  UCR169015  Ceanothus cuneatus David Charlton 2005-5-16 8006 Yuba Sacramento Valley, Yuba Gold Field; just south of Yuba River; c. 7.5 mi ENE of Marysville; N of Beale Air Force Base; Survey area c. 2 miles by 1 mile 46 Comment
  RSA17724  Ceanothus diversifolius Elmer I. Applegate 1934-5-2 8891 Yuba Indian Valley region Comment
  CAS-BOT-BC50710  Ceanothus integerrimus Alice Eastwood 1921-5-22 10561 Yuba Los Vergils Comment
  SJSU14290  Ceanothus integerrimus N. A. Hopkins 1989-6-29 1541 Yuba Ridge Rd to Allegheny c. 2 mi off Hwy 49 914 Comment
  UCR196981  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2008-5-20 13466 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  SEINET5339313  Ceanothus integerrimus D. Kaplan s.n. Yuba Dobbins, Ca., Hwy 49 roadside. 1067 Comment
  CAS-BOT-BC50586  Ceanothus lemmonii Lloyd W. Swift 1932-5-11 68193 Yuba Near Bullards Bar Dam 609 Comment
  CHSC113646  Ceanothus lemmonii L. P. Janeway 2014-5-12 11253 A Yuba Northern High Sierra Nevada. Plumas National Forest; 2.1 air km east of Dobbins, 2.1 air km south-southeast of Oregon Peak, 0.2 km northeast of Marysville Road. 762 Comment
  CHSC96569  Ceanothus lemmonii L. P. Janeway 2006-5-24 8629 Yuba Northern Sierra Nevada Foothills. Along Forsythe road 2.7 road km south of New York House Road; above Prince Albert Creek. 604 Comment
  RSA712847  Ceanothus lemmonii L. P. Janeway 2006-5-24 8610 Yuba Northern Sierra Nevada Foothills, along Ponderosa Way 1 road Km SE of Robinson Mill Road, 1.2 air km SE of Robbinson Mills and Forebestown road 768 Comment
  SJSU14260  Ceanothus lemmonii N. A. Hopkins 1989-4-28 1484 Yuba by Ridge Rd to Allegheny c. 3 mi off Hwy 49 914 Comment
  UC1182185  Ceanothus lemmonii J. Crawford 1960-7-29 302 Yuba 1/2 mi s Challenge Ranger Station; Plumas National Forest 792 Comment
  UC410448  Ceanothus lemmonii Alice Eastwood 1930-4-12 17930 Yuba Texas hill rd Comment
  CAS-BOT-BC277077  Centaurea melitensis Lowell Ahart 1981-6-13 2852 Yuba South side of McGinn Hill, east of Loma Rica 300 Comment
  UC177583  Centaurium muehlenbergii H. M. Hall 1914-8-2 9834 Yuba near Marysville; Sacramento Valley 22 Comment
  UCR169012  Centaurium muehlenbergii David Charlton 2005-5-16 8001 B Yuba Sacramento Valley, Yuba Gold Field; just south of Yuba River; c. 7.5 mi ENE of Marysville; N of Beale Air Force Base; Survey area c. 2 miles by 1 mile 46 Comment
  RSA10984  Centaurium muehlenbergii Carl B. Wolf 1927-11-5 1442 Yuba Eight miles from Marysville on road to Browns Valley. Comment
  RSA31869  Centaurium muehlenbergii A. A. Heller 1938-6-17 15163 Yuba Near the Yuba River five miles east of Marysville. Comment
  CHSC47411  Centaurium tenuiflorum Lowell Ahart 1981-6-13 2856 Yuba Along the banks of a small stream, west of McGinn Hill, east of Loma Rica. 304 Comment
  CHSC96870  Centaurium tenuiflorum Lowell Ahart 2007-6-30 14228 Yuba Sides of a small wash, about 250 yards west of the power tower, about 100 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 29 Comment
  JEPS124144  Centaurium tenuiflorum Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-11-14 20637 Yuba Lake Francis, about 1 1/2 miles south of Dobbins. Comment
  CHSC113172  Centromadia fitchii Lowell Ahart 2013-11-30 19311 Yuba On north side of Dry Creek, below the high water line of Collins Lake, about 300 yards north of Marysville Road, about 2 1/2 miles west of Oregon House. 354 Comment
  JEPS120986  Centromadia fitchii Lowell Ahart 2013-11-30 19311 Yuba on N side of Dry Creek, below the high water line of Collins Lake, about 300 yards N of Marysville Road, about 2.5 miles W of Oregon House. Comment
  CAS-BOT-BC288823  Centromadia fitchii Mrs. H. C. Cantelow 1940-5-13 s.n. Yuba E of Marysville, on Highway 20 to Grass Valley Comment
  JEPS125922  Cephalanthera austiniae D. W. Taylor 2001-6-19 17796 Yuba Ca 3 air miles SW of Union Hill, along Forest Road 20N35 tributary to Brush Creek near Diamond Ravine. Comment
  SBBG1146  Cephalanthera austiniae H. and M. Dearing 1939-5-8 3503 Yuba near Camptonville Comment
  CHSC90338  Cerastium glomeratum Lowell Ahart 2005-3-11 11605 Yuba In the middle of the poor dirt road, west of a large rock outcrop, about 1/2 mile west of Marysville Road, about 1/2 mile north of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 1/2 mile north of Loma Rica Road, about 5 miles (air) northeast of Loma Rica. 386 Comment
  JEPS113529  Cerastium glomeratum Lowell Ahart 2007-5-12 13786 Yuba Along road to the power towers, about 100 yards north of the first power tower, about 150 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 35 Comment
  UCD14963  Cerastium glomeratum Susan J. Schmickle 1977-4-16 2 Yuba California, Yuba Co.; at the UC Sierra Field Station, northwest off of Road 4; Comment
  CAS-BOT-BC400180  Ceratophyllum demersum W. V. Middlekauff 1955-7-4 s.n. Yuba 3 miles n.w. of Rio Oso Post Office Comment
  CAS-BOT-BC207378  Cercis occidentalis Saichi Kawahara 1969-4-13 304 Yuba Park's Bar, Highway 29 at north bank Yuba River 91 Comment
  CAS-BOT-BC251515  Cercis occidentalis Camille F. Nowell 2012-7-15 46 Yuba Marysville Rd., approx 1 mi E of Dobbins. 586 Comment
  CHSC45964  Cercocarpus betuloides Lowell Ahart 1977-4-18 1314 Yuba Along Dry Creek, about 1 mile south of the Collins Lake Dam. 91 Comment
  CAS-BOT-BC136994  Cercocarpus betuloides var. betuloides Lowell Ahart 1977-4-18 s.n. Yuba Along Dry Creek about 10 miles northeast of Marysville 100 Comment
  CHSC81781  Chamaesyce maculata Lowell Ahart 2001-11-2 9399 Yuba Camp Far West Reservoir, about 1/4 mile northeast of the dam, about 9 miles (air) southeast of Wheatland. 83 Comment
  CHSC83041  Chamaesyce maculata Lowell Ahart 2002-10-9 9967 Yuba On the west bank of a small stream, below the high water line of Sly Creek Reservoir, about 1/8 mile southwest of the Day Camp, Sly Creek Reservoir. 1072 Comment
  CHSC78142  Chamaesyce ocellata subsp. ocellata Lowell Ahart 2000-6-11 8469 Yuba On the west side of Smartville Road, about 2 miles north of the intersection of Waldo Road and Smartville Road, about 6 miles (air) south of Smartville. 152 Comment
  JEPS98575  Chamaesyce ocellata subsp. ocellata Lowell Ahart 2000-6-11 8469 Yuba 6 mi (air) S of Smartville (W side of Smartville Road, 2 mi N of int. with Waldo Road) 152 Comment
  CHSC78143  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2000-6-11 8467 Yuba On the bottom of a deep wash, a north branch of Dry Creek, about 100 yards west of Smartville Road, about 2 miles north of the intersection of Waldo Road and Smartville Road, about 6 miles (air) south of Smartville. 146 Comment
  CHSC97707  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2007-11-8 14580 Yuba On the strand of Camp Far West Reservoir, about 1/2 mile south of Rock Creek, about 1/8 mile north of Bear River, about 6 miles (air) northeast of Sheridan. 73 Comment
  JEPS103420  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2002-10-9 9966 Yuba On the W bank of a small stream, below the high water line of Sly Creek Reservoir, ca 1/8 mile SW of the Day Camp, Sly Creek Reservoir. 1072 Comment
  JEPS115025  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2007-11-8 14580 Yuba On the strand of Camp Far West Reservoir, about 1/2 mile south of Rock Creek, about 1/8 mile north of Bear River, about 6 miles (air) northeast of Sheridan 73 Comment
  RSA727530  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2007-11-8 14580 Yuba On the strand of Camp Far West Reservoir, about 1/2 mile south of Rock Creek, about 1/8 mile north of Bear River, about 6 miles (air) northeast of Sheridan. 74 Comment
  SEINET11263898  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2002-10-9 9966 Yuba Below the high water line of Sly Creek Reservoir, about 1/8 mile SW of the Day Camp.; 0 1073 Comment
  UCD37853  Chamomilla Beecher Crampton 1962-4-24 6257 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  JEPS35374  Cheilanthes gracillima G. E. Davenport 1877-1 Yuba Comment
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Jun 28 2010
  JEPS113488  Chenopodium album Lowell Ahart 2007-6-30 14238 Yuba East and west of the dirt road, 20 yards northeast of the gate, about 20 yards south of the power tower, about 30 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 35 Comment
  JEPS115017  Chenopodium ambrosioides var. suffruticosum Lowell Ahart 2007-11-1 14548 Yuba On the north side of Loma Rica Road, east of the Fire Station, about 3/4 mile east of Loma Rica 146 Comment
  RSA795982  Chlorogalum angustifolium James R. Shevock, Robert Holland 1985-5-6 11125 Yuba Beale Air Force Base E of Marysville. Pools adjacent to runway. 40 Comment
  CAS-BOT-BC498793  Chlorogalum angustifolium Gordon H. True; J. T. Howell 1967-6-13 3552 Yuba Open grassy flats and slopes - abundant. Ca. 5 miles east of Wheatland and 1 mile north of Bear River 54 Comment
  CHSC115915  Chlorogalum pomeridianum var. pomeridianum L. P. Janeway 2015-7-1 11797 Yuba Northern High Sierra Nevada. Headwaters of Cottage Creek, one of a series of meadows; 0.15 km southwest of Oregon Hill Road, 1.3 air km northeast of Oregon Peak. 815 Comment
  CHSC81751  Chondrilla juncea Lowell Ahart 2001-11-2 9409 Yuba On the east side of Smartville Road, about 4 miles (air) south of Smartville. 175 Comment
  CHSC83039  Chondrilla juncea Lowell Ahart 2002-10-10 9978 Yuba On the east side of the dirt road, east of the upper part of Englebright Reservoir on the Yuba River, along Rice's Crossing Road, about 2 miles (air) north of Bridgeport, about 18 miles north of Highway 20. 166 Comment
  JEPS102449  Chondrilla juncea Lowell Ahart 2001-8-14 9108 Yuba On the south side of Marysville Road, about 50 yards east of the east end of Bullards Bar Dam. 609 Comment
  CAS-BOT-BC36351  Chrysolepis sempervirens Alice Eastwood 1918-4-7 6804 Yuba on Hills above North Fork & Yuba Rivers Comment
  SEINET7042660  Cirsium occidentale A. G. Vestal 1963-5-30 s.n. Yuba Turn off to Timbuctoo at Yuba river. Smartville quadrangle UTM Zone 10, 644012mE, 4342272mN. Comment
  CAS-BOT-BC228729  Cistanthe umbellata Lowell Ahart 1980-8-12 2548 Yuba Along Slate Creek 1250 Comment
  CAS-BOT-BC172411  Clarkia biloba subsp. brandegeeae Lewis S. Rose 1940-5-28 40396 Yuba Oregon House 457 Comment
  RSA18618  Clarkia biloba subsp. brandegeeae Carl B. Wolf 1937-6-11 8779 Yuba Sierra Nevada Foothills, 1.6 miles NW of Stanfield Hill, along a fork of S. Honcut Creek 305 Comment
  UC1071949  Clarkia biloba subsp. brandegeeae H. and M. Lewis 1947-6-11 389 Yuba 0.7 mi w Oregon House Post Office (on the road to Stanfield Hill) Comment
  UCD33665  Clarkia biloba subsp. brandegeeae Beecher Crampton 1971-6-18 8737 Yuba Sierra Foothill Range Field Station, ca. 6 miles east of Browns Valley. Comment
  CAS-BOT-BC164161  Clarkia concinna Anna Cramsie 1933-6-1 s.n. Yuba Smartville Comment
  SJSU10991  Clarkia gracilis subsp. gracilis J. B. Willis Jr. 1969-4-27 70 Yuba S bank Yuba R on old stage rd to Timbuctoo just off Hwy 20, 18 mi E of Marysville Comment
  CHSC89897  Clarkia mildrediae subsp. lutescens M. K. Hayden; Z. E. Diggory 2004-6-25 Yuba Northern High Sierra Nevada. Located at Slate Creek Diversion across from the intake structure. 1066 Comment
  CHSC89899  Clarkia mildrediae subsp. lutescens M. K. Hayden; Z. E. Diggory 2004-6-25 Yuba Northern High Sierra Nevada. Located at Slate Creek Diversion across from the intake structure. 1066 Comment
  JEPS125979  Clarkia mildrediae subsp. lutescens D. W. Taylor 2001-6-18 17783 Yuba Ca 2.5 air miles NE of Strawberry Valley; canyon of Slate Creek along Forest Road 35 about 0.5 miles above the bridge on the S-facing canyon slope. Comment
  CHSC108229  Clarkia purpurea subsp. quadrivulnera Lowell Ahart 2011-6-7 17405 Yuba Road margin, about 25 yards south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  JEPS118291  Clarkia purpurea subsp. quadrivulnera Lowell Ahart 2011-6-7 17405 Yuba Road margin, about 25 yards south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville 66 Comment
  SEINET7067147  Clarkia purpurea subsp. quadrivulnera A. G. Vestal 1947-4-30 s.n. Yuba About 5.1 miles west of Smartville. Coordinate datum: NAD27. UTM Zone 10, 641421mE, 4340515mN. Comment
  CAS-BOT-BC163417  Clarkia purpurea subsp. quadrivulnera Lillian S. Mott 1965-4-21 LM 6548 Yuba Hiway 20 to Marysville Comment
  CAS-BOT-BC163419  Clarkia purpurea subsp. quadrivulnera Alice Eastwood 1921-5-22 10518 Yuba Los Vergils Comment
  UCD104972  Clarkia purpurea subsp. quadrivulnera Barbara Yungert 1974-5-9 142 Yuba Schubert project area, Sierra Foothill Field Station. Comment
  CHSC70761  Clarkia stellata L. P. Janeway; Loren Gehrung, Karen Lee, Marcile Sigler, C. Sivil 1993-6-15 4384 Yuba 1.3 mi east of Woodleaf, 1.2 mi southwest of Clipper Mills; uppermost drainage of Slapjack Creek. 1043 Comment
  POM161753  Clarkia stellata R. C. Bacigalupi 1927-7-2 1584 Yuba Highway to Downieville about 8 mi NE of Camptonville. Comment
  CAS-BOT-BC443757  Claytonia rubra subsp. rubra Alice Eastwood 1918-4-7 6801 Yuba Camptonville Comment
  UCD95601  Clematis lasiantha H. A. Borthwick 1925-3-17 395 Yuba Marysville Buttes. Comment
  SEINET5337776  Clematis lasiantha C. Aarstad 1979-4-28 s.n. Yuba At jct. of Rt. 20 and north fork of Yuba in Browns Valley. 183 Comment
  UC197696 Image available Clerodendrum bungei Roland McKee 1916-10-21 Yuba Marysville, Cal Comment
  UCD33666  Collinsia tinctoria Beecher Crampton 1971-6-18 8738 Yuba Sierra Foothill Range Field Station, ca. 6.5 miles east of Browns Valley. Comment
  POM161752  Collomia heterophylla R. C. Bacigalupi 1927-7-2 1582 Yuba Road to Downieville, 2 miles west of Camptonville Comment
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Nov 9 2011
  SJSU10223  Collomia heterophylla C. W. Sharsmith 1983-6-8 8804 Yuba Slate Cr at bridge crossing of the Scales-LaPorte Rd 1066 Comment
  UCD126194  Convolvulus arvensis G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12839 Yuba Northern Sierra Nevada Mountains: along Hwy. CA-49, 0.5 mile south of Camptonville. 817 Comment
  UCD126141  Convolvulus arvensis Barbara Yungert 1974-5-21 172 Yuba along road near old headquarters, Hill project near, Sierra Foothill Field Station. Comment
  SEINET10549248  Cordylanthus pilosus subsp. bolanderi Lowell Ahart, Peter Ahart 1983-8-10 Ahart 4271 Yuba Peterson Rd, ca. 4 mi se of Challenge. Yellow Pine Forest; 1000 m. 1000 Comment
  CHSC69156  Cordylanthus tenuis subsp. tenuis Lowell Ahart 1997-8-7 7813 Yuba Peterson Ridge Road, about 3 miles (air) southeast of Challenge. 762 Comment
  JEPS112920  Cornus nuttallii Dean W. Taylor 2001-7-31 17849 Yuba creek along Forest Road 20N35 tributary to Brushy Creek near Diamond Ravine (ca. 3 air miles SW of Union Hill) 1127 Comment
  UCD117173  Cornus nuttallii Kathleen Keliher 1975-4-30 74 Yuba Along road between Bullards Bar Dam and Challenge. 762 Comment
  SEINET12137803  Cornus nuttallii F. H. Utech 1990-1 90 -868 Yuba Tahoe National Forest, Oregon Creek area, on CA 49 near junction with Middle Fork of Yuba River 500 Comment
  SEINET8083560  Cornus nuttallii D. E. Selleck 1979-4-28 s.n. Yuba About 3 miles north of highway junction 140 and 70. Comment
  CAS-BOT-BC212156  Cornus sericea Beecher Crampton 1966-6-14 7739 Yuba 1 mile east of Brownsville, La Porte Road 731 Comment
  UCD117333  Cornus sericea subsp. sericea Beecher Crampton 1966-6-14 7739 Yuba Yuba County, 1 mile east of Brownsville on La Porte road. 731 Comment
  SJSU10212  Cornus sessilis C. W. Sharsmith 1983-6-7 8793 Yuba Rose Ranch c. 4 mi NE of Strawberry Valley (Yuba Co) on Quincy-La Porte Rd; Yuba & Sierra county boundary 1432 Comment
  CDA3696  Coronopus didymus L. Ahart 1999-9-17 8250 Yuba Sam Shintaffer Farm, south of Woodruff Lane, south of Mathews Road, about 1/4 mile south of Sam Shintaffer s rice dryer, about 4 1/2 miles (air) northeast of Marysville. Comment
  CHSC90487  Crassula connata Lowell Ahart 2005-3-11 11607 Yuba Large rock outcrop, south slope, about 1/2 mile west of Marysville Road, about 1/2 mile north of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 1/2 mile north of Loma Rica Road, about 5 miles (air) northeast of Loma Rica. 395 Comment
  CHSC90337  Crassula tillaea Lowell Ahart 2005-3-11 11597 Yuba On the west side of the poor dirt road, about 1/2 mile west of Marysville Road, about 1/4 mile north of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 1/4 mile north of Loma Rica Road, about 5 miles (air) northeast of Loma Rica. 344 Comment
  CHSC90488  Crassula tillaea Lowell Ahart 2005-3-11 11597 Yuba On the west side of the poor dirt road, about 1/2 mile west of Marysville Road, about 1/4 mile north of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 1/4 mile north of Loma Rica Road, about 5 miles (air) northeast of Loma Rica. 344 Comment
  CHSC97502  Croton setiger Lowell Ahart 2007-5-12 13790 Yuba About 20 yards northeast of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  UCR200886  Croton setiger George K. Helmkamp, E. A. Helmkamp 2008-9-18 14129 Yuba Foothills, northern Sierra Nevada Mountains, Bullards Bar Dam, along Marysville Road, 6 miles southwest of its junction with CA-49 616 Comment
  UCD37842  Crucianella Beecher Crampton 1962-4-24 6239 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  UC1278015  Crucianella angustifolia Beecher Crampton 1957-6-5 4163 Yuba Timbuctoo Comment
  SEINET7042658  Crucianella angustifolia A. G. Vestal 1963-5-30 s.n. Yuba Turn off to Timbuctoo at Yuba river. Smartville quadrangle UTM Zone 10, 644012mE, 4342272mN. Comment
  SEINET7072976  Crucianella angustifolia W. P. Vestal 1963-5-29 s.n. Yuba Olivehurst-Smartville Road about 0.4 mile southwest of paved road from Beale Air Force Base toward Smartville. Comment
  UCD121546  Crucianella angustifolia Beecher Crampton 1957-6-5 4163 Yuba Town of Timbuctoo, across from old Stewart and Brothers and Wells Fargo Store. Comment
  CHSC97705  Crypsis alopecuroides Lowell Ahart 2007-11-8 14591 Yuba On the strand of Camp Far West Reservoir, about 1/4 mile north of Rock Creek, about 6 1/2 miles (air) northeast of Sheridan. 68 Comment
  JEPS102598  Crypsis alopecuroides Lowell Ahart 2001-11-2 9406 Yuba Camp Far West Reservoir, about 1/4 mile NE of the dam, about 9 miles (air) SE of Wheatland. 83 Comment
  JEPS115048  Crypsis alopecuroides Lowell Ahart 2007-11-8 14591 Yuba On the strand of Camp Far West Reservoir, about 1/4 mile north of Rock Creek, about 6 1/2 miles (air) northeast of Sheridan 68 Comment
  SEINET10661810  Crypsis alopecuroides Lowell Ahart 2007-11-8 Ahart 14591 Yuba T14N, R6E, Section 15. About 1.4 mile north of Rock Creek, on the strand of Camp Far West Reservoir, about 6 1/2 miles (air) northeast of Sheridan. 69 Comment
  CHSC113179  Crypsis vaginiflora Lowell Ahart 2013-11-30 19301 Yuba On the sides of a deep wash (Willow Glen Creek), northwest of Dry Creek, below the high water line of Collins Lake, about 100 yards north of Marysville Road, about 2 1/2 miles west of Oregon House. 356 Comment
  JEPS121316  Crypsis vaginiflora Lowell Ahart 2013-11-30 19301 Yuba On the sides of a deep wash (Willow Glen Creek), NW of Dry Creek, below the high water line of Collins Lake, about 100 yards N of Marysville Road, about 2.5 miles W of Oregon House. Comment
  UCD59961  Crypsis vaginiflora Beecher Crampton 1958-7-11 5008 Yuba 4.7 miles northeast of Wheatland. Comment
  CAS-BOT-BC80750  Cupressus macnabiana C. B. Wolf; E. R. Johnson 1934-10-3 6152 Yuba Sierra Nevada Foothills, Texas Hill, approx. 2 mi. W., of Dobbins 548 Comment
  CHSC10644  Cupressus macnabiana Lowell Ahart 1969-1-25 Yuba Near Challenge. 914 Comment
  CHSC43501  Cupressus macnabiana Lowell Ahart 1969-1-25 24 Yuba Near the Brownsville dump, about 2 miles west of Brownsville. 609 Comment
  NY16691  Cupressus macnabiana A. Eastwood 1930-4-12 7931 Yuba 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
  NY16728  Cupressus macnabiana C. B. Wolf 1934-10-4 6156 Yuba 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
  RSA17596  Cupressus macnabiana C. B. Wolf, E. R. Johnson 1934-10-4 6156 Yuba N side of Indiana Creek, 1.7 miles W of Indiana Ranch. Sierra Foothills. 549 Comment
  RSA724935  Cupressus macnabiana L. P. Janeway 2006-5-24 8627 Yuba Northern Sierra Nevada Foothills. Along Forsythe Road 2.7 road km south of New York House Road; above Prince Albert Creek 604 Comment
  UC1134224  Cupressus macnabiana H. A. Jensen 1934-11-14 376 Yuba 2 mi nw of Indiana Ranch; Smartsville Quadrangle Comment
  UCD110852  Cupressus macnabiana Christopher Mallek 2008-1 IC- 1 Yuba Indiana Creek. 617 Comment
  SEINET10867000  Cupressus macnabiana Carl B. Wolf, E. R. Johnson 1934-10-4 Wolf 2118 Yuba Sierra Nevada foothills, N. side Indiana Creek, 1 7/10 mi W of Indiana Ranch. Upper sonoran:- Digger Pines, Quercus wislizenii. Sun. Rocky S slope. 550 Comment
  SEINET3863434 Image available Cupressus macnabiana Beecher Crampton 1972-2-14 8769 Yuba Ca. 1.5 miles N.N.E. of Oregon House.; 0 Comment
  SBBG121438  Cuscuta campestris L. Ahart 2007-11-8 14578 Yuba strand of Camp Far West Reservoir, ca. 0.5 mi S of Rock Crk, ca. 1/8 mi N of Bear River, ca. 6 mi (air) NE of Sheridan 242 Comment
  CDA20596  Cuscuta japonica Roush, Anderson, Umino, Storm 2005-10-21 PDR 1295325 Yuba Sacramento Valley; 4838 Western Ave, Olivehurst. 0 Comment
  CDA41307  Cuscuta japonica J. Deviney, Anderson, Umino 2005-8-3 PDR 1295323 Yuba Sacramento Valley; 4838 Western Ave, Olivehurst. 0 Comment
  CHSC97772  Cuscuta pentagona Lowell Ahart 2007-11-1 14536 Yuba On Xanthium strumarium, on the south side of Willow Creek, above the high water line of Bullards Bar Reservoir, about 1 mile northwest of Old Camptonville Road, about 1 1/2 miles (air) west of Camptonville. 627 Comment
  JEPS115023  Cuscuta pentagona Lowell Ahart 2007-11-1 14536 Yuba On Xanthium strumarium, on the south side of Willow Creek, above the high water line of Bullards Bar Reservoir, about 1 mile northwest of Old Camptonville Road, about 1 1/2 miles (air) west of Camptonville 627 Comment
  CHSC47674  Cuscuta subinclusa Lowell Ahart 1989-9-3 6386 Yuba On the west side of Ponderosa Way, west of the Brownsville Dump, about 1 mile south-west of Brownsville. 609 Comment
  CHSC97486  Cynodon dactylon Lowell Ahart 2007-5-14 13845 Yuba East of the dirt road, 20 yards northeast of the gate, about 20 yards south of the power tower, about 30 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 35 Comment
  UCD60074  Cynodon dactylon Beecher Crampton 1957-6-5 4148 Yuba 1/2 mile W of Oregon House Post Office. Comment
  SEINET10515415  Cynodon dactylon Wiegand 1921-8-25 WIEGAND 200 Yuba Dry gravel roadside, near Marysville. Comment
  CHSC108211  Cynosurus echinatus Lowell Ahart 2011-6-7 17429 Yuba East of a willow shrub, just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  JEPS118323  Cynosurus echinatus Lowell Ahart 2011-6-7 17429 Yuba East of a willow shrub, just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville 66 Comment
  UCD60143  Cynosurus echinatus Barbara Yungert 1974-5-13 G- 13 Yuba South of road, 100 yards north of picnic area, Sierra Foothill Field Station. Comment
  SEINET11694608  Cynosurus echinatus F. H. Utech 1990-6-5 90 -861 Yuba Tahoe National Forest, Oregon Creek area, on CA 49 near junction with Middle Fork of Yuba River 500 Comment
  JEPS94352  Cyperus bipartitus Lowell Ahart 1997-8-13 7865 Yuba about 2 1/4 air mi e of Browns Valley (on s side of Scott Forbes Road, 1/4 mi e of intersection of Scott Forbes Road and Peoria Road, just e of Gray Drive); Scott Forbes Road 91 Comment
  CHSC69457  Cyperus eragrostis Lowell Ahart 1997-8-30 7879 Yuba On the west side of the dirt road, near a road culvert, about one mile (air) south of Woodleaf. 944 Comment
  CHSC76112  Cyperus eragrostis Lowell Ahart 1999-9-5 8196 Yuba Disturbed area on the south side of Woodruff Lane, just west of Kimball Lane, about 5 miles (air) northeast of Marysville. 24 Comment
  JEPS64101  Cyperus eragrostis W. L. Jepson 1934-7-29 16760 Yuba Smartsville Comment
  SEINET9772565 Image available Cyperus eragrostis Richard Carter 2006-7-31 Yuba 12.5 mi ENE Marysville jct. Hwy CA 20 and Hwy CA 70, by Hwy CA 20 Comment
  UCD141047  Cyperus eragrostis G. K. Helmkamp 2006-10-10 11524 Yuba Northern Sierra Nevada Mountains Foothills; along Hwy CA-49 just north of the Nevada County line at the Middle Yuba River bridge. 451 Comment
  UCR179807  Cyperus eragrostis George K. Helmkamp, E. A. Helmkamp 2006-10-10 11524 Yuba Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49 just north of the Nevada County line at the Middle Yuba River bridge 451 Comment
  CAS-BOT-BC114574  Cyperus eragrostis W. V. Middlekauff 1954-9-11 s.n. Yuba 3 mi NW of Rio Oso Post Office. Comment
  CHSC81830  Cyperus erythrorhizos Lowell Ahart 2001-11-2 9404 Yuba Camp Far West Reservoir, about 1/4 mile northeastaa of the dam, about 9 miles (air) southeast of Wheatland. 83 Comment
  CDA2590  Cyperus esculentus L. Ahart 1999-9-5 8195 Yuba On the south side of Woodruff Lane, just west of Kimball Lane, about 5 miles (air) northeast of Marysville. Comment
  CHSC76113  Cyperus esculentus Lowell Ahart 1999-9-5 8195 Yuba On the disturbed area on the south side of Woodruff Lane, just west of Kimball Lane, about 5 miles (air) northeast of Marysville. 24 Comment
  CHSC69455  Cyperus flavescens Lowell Ahart 1997-8-13 7865 Yuba On the south side of Scott Forbes Road, 1/4 mile east of the intersection of Scott Forbes Road and Peoria Road, just east of Gray Drive, about 2 1/4 miles (air) east of Browns Valley. 91 Comment
  CHSC76114  Cyperus iria Lowell Ahart 1999-9-5 8197 Yuba Disturbed area on the south side of Woodruff Lane, just west of Kimball Lane, about 5 miles (air) northeast of Marysville. 24 Comment
  SEINET4896991  Cyperus iria L. Ahart 1999-9-5 8197 Yuba 5 miles NE of Marysville. Legal: T16N R4E Comment
  CDA2580  Cyperus iria L. Ahart 1999-9-5 8197 Yuba On the south side of Woodruff Lane, just west of Kimball Lane, about 5 miles (air) northeast of Marysville. Comment
  CHSC83232  Cyperus niger Lowell Ahart 2002-10-8 9946 Yuba On the edge of a pond, about 100 yards north of Long Ravine Road, about 300 yards southeast of the intersection of Camp Far West Road and Long Ravine Road there is a poor gate on the north side of the road, north of Camp Far West Reservoir. 121 Comment
  CDA38966  Cyperus niger L. Ahart 1999-9-17 8256 Yuba Sam Shintaffer Farm, on the west side of Kimball Lane, near the intersection of Kimball Lane and Hallwood Boulevard, about 3/4 mile south of Sam Shintaffer s rice dryer, about 4 1/4 miles (air) northeast of Marysville. Comment
  CHSC43569  Cyperus rotundus Lowell Ahart 1978-10-28 1819 Yuba In the yard of Mr. and Mrs. Marion Bew, at H and 13th Street, Marysville. 30 Comment
  CHSC41901  Cytisus scoparius Lowell Ahart 1973-5-6 219 Yuba About 1 mile north of Challenge. 762 Comment
  UCD105691  Cytisus scoparius Barbara Yungert 1974-4-18 63 Yuba Near four wheel drive road, north of Yuba River, F-2 project area, Sierra Foothill Field Station. Comment
  SEINET5327050  Cytisus scoparius M. J. Williams 1967-5-14 s.n. Yuba Camptonville 914 Comment
  CAS-BOT-BC190488  Dactylis glomerata Barbara T. Keller 1975-6-10 1506 Yuba Challenge Experimental Forest on La Porte Road near Challenge. 762 Comment
  CAS-BOT-BC190489  Dactylis glomerata Lowell Ahart 1979-6-25 s.n. Yuba 1 mile south of Challenge. Comment
  SD236138  Dactylis glomerata G. K. Helmkamp, E. A. Helmkamp 2008-5-20 13474 Yuba Sierra Nevada Mountains Foothills: along CA-49, 466 Comment
  CAS-BOT-BC189855  Danthonia californica Lowell Ahart 1979-6-25 s.n. Yuba 2 miles east of Challenge. 700 Comment
  CDA31642  Danthonia californica var. americana T. C. Fuller 1971-6-13 19889 Yuba East side of Lake Francis, Lake Francis Rd., 1 mile southeast of Dobbins. 0 Comment
  CHSC112950  Danthonia californica var. americana L. P. Janeway 2014-6-26 11421 Yuba Northern High Sierra Nevada. Plumas National Forest; small ephemeral meadow on a flattish bench at head of ephemeral northeastern tributary to Little Oregon Creek; 1.9 air km south-southeast of Pike County Peak; 0.24 km northeast of Oregon Hill Road, 0.15 km south of Peterson Ridge Road. 852 Comment
  UCD60681  Danthonia californica var. americana Beecher Crampton 1966-6-14 7763 Yuba 1 mile west of Brownsville. Comment
  RSA653943  Danthonia unispicata Beecher Crampton 1966-6-14 7764 Yuba 1 mile east of Brownsville on La Porte road, near Brownsville Fire Station, CA div. of Forestry. Comment
  SEINET238188 Image available Danthonia unispicata Beecher Crampton 1966-6-14 7764 Yuba 1 mile east of Brownsville on La Porte road near Brownsville Fire Station CA div. of Forestry. Comment
  UCD33119  Danthonia unispicata Beecher Crampton 1966-6-14 7764 Yuba Yuba County, 1 mile east of Brownsville on La Porte road, near Brownsville Fire Station, CA div. of Forestry. Comment
  UCD61331  Danthonia unispicata Beecher Crampton 1966-6-14 7764 Yuba 1 mile west of Brownsville. 670 Comment
  CHSC76106  Daucus carota Lowell Ahart 1999-9-5 8192 Yuba On the disturbed area on the south side of Woodruff Lane, just west of Kimball Lane, about 5 miles (air) northeast of Marysville. 24 Comment
  JEPS95893  Daucus carota Lowell Ahart 1999-9-5 8192 Yuba on the disturbed area on the south side of Woodruff Lane; just west of Kimball Lane; about 5 miles (air) northeast of Marysville 24 Comment
  UCD33658  Daucus carota Beecher Crampton 1972-6-20 8817 Yuba 2 miles west of Sicard Flat. Comment
  CHSC108196  Daucus pusillus Lowell Ahart 2011-6-7 17370 Yuba Grassy road margin, about 50 yards south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  JEPS118079  Daucus pusillus Lowell Ahart 2011-6-7 17370 Yuba Grassy road margin, about 50 yards south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville 66 Comment
  UCD127493  Daucus pusillus Barbara Yungert 1974-5-13 148 Yuba north of Yuba River, F-2 project area, Sierra Foothill Field Station. Comment
  CAS-BOT-BC8791  Delphinium gracilentum Gordon H. True 1962-5-1 533 Yuba Comptonville-Downieville Highway, about 1 mile north of Comptonville 822 Comment
  CAS-BOT-BC8792  Delphinium gracilentum B. T. Keller 1975-6-10 1518 Yuba Willow Glen Road, from Stanfield Hill to Brownsville, 11.5 mi. N of Junct. of Willow Glen Road & Marysville Road Comment
  CAS-BOT-BC8559  Delphinium hansenii Lewis Samuel Rose 1940-5-28 40379 Yuba Browns Valley 60 Comment
  HSC47883  Delphinium hansenii H. Lewis, Carl Epling 1941-5-26 Yuba Smartville Comment
  RSA149649  Delphinium hansenii Harlan Lewis, C. Epling 1941-5-26 s.n. Yuba Smartville Comment
  UCD95782  Delphinium hansenii Barbara Yungert 1974-5-30 187 Yuba South of road, SC-13 project area, Sierra Foothill Field Station. Comment
  UC1031402  Delphinium hansenii subsp. hansenii H. Lewis and C. Epling 1941-5-26 Yuba Smartville Comment
  CAS-BOT-BC10237  Delphinium hesperium R. K. Wellman 1981-5-17 025 Yuba Junction of county roads E-20 and E-21 152 Comment
  UCD96546  Delphinium patens W. R. Powell 1968-5-15 1497 Yuba On Fountain House Road, 2 miles northeast of Dobbins. 792 Comment
  POM270647  Delphinium patens H. L. Mason 1927-5-11 3732 Yuba Near Dobbin. 457 Comment
  UCD96556  Delphinium patens Barbara Yungert 1974-4-12 28 Yuba Along fence near county road, F-51 project area. Sierra Foothill Field Station. Comment
  CAS-BOT-BC116482  Delphinium patens subsp. patens Ella D. Cantelow 1968-5-6 s.n. Yuba Near Gales Orchard ca. 6 miles east of Camptonville 1249 Comment
  CAS-BOT-BC122010  Delphinium variegatum Gordon H. True 1963-4-23 1197 Yuba About 10 miles east of Marysville, on Marysville-Grass Valley Highway 30 Comment
  CAS-BOT-BC122011  Delphinium variegatum Gordon H. True 1963-4-17 1159 Yuba About 5 miles south of Smartville, on Beale Air Force Base road 121 Comment
  SEINET5718467 Image available Delphinium variegatum Peter Stekel 1974-1 111 Yuba Beside dirt road, 5.3 miles NW of University of California Sierra Foothills Range Field Station.; UC Foothill Field Station 457 Comment
  CAS-BOT-BC16949  Delphinium variegatum subsp. variegatum P. H. Raven 1953-5-9 5484 Yuba 3.7 miles from Browns Valley on road to Challenge Comment
  UCR168689  Deschampsia danthonioides David Charlton 2005-5-16 8015 Yuba Sacramento Valley, Yuba Gold Field; just south of Yuba River; c. 7.5 mi ENE of Marysville; N of Beale Air Force Base; Survey area c. 2 miles by 1 mile 46 Comment
  CHSC44563  Deschampsia elongata Lowell Ahart 1979-6-25 1940 Yuba In a logged over area, about 1 mile south of Challenge. 640 Comment
  UCD63493  Deschampsia elongata Beecher Crampton 1957-6-5 4157 Yuba 1.3 miles east of Oregon House Store. Comment
  UCD63571  Deschampsia elongata Beecher Crampton 1966-6-14 7747 Yuba 1 mile east of Brownsville. 731 Comment
  UCR191122  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2007-8-29 12829 Yuba Northern Sierra Nevada Mountains Foothills, Mountain House Road 0.6 mile west of the Sierra Co. line; Sleighville area beside Willow Creek 1021 Comment
  UCD95518  Dicentra formosa Kathleen Keliher 1975-4-30 78 Yuba Along Marysville Road near Oregon Creek. 762 Comment
  CAS-BOT-BC402378  Dicentra formosa subsp. formosa Herbert L. Mason 1927-5-11 3734 Yuba Near Bullards Bar 609 Comment
  CAS-BOT-BC402379  Dicentra formosa subsp. formosa Rimo Bacigalupi 1927-7-2 1592 Yuba Halfway to Downieville about 8 miles northeast of Camptonville Comment
  CAS-BOT-BC402557  Dicentra pauciflora M. Boone 1981-5-15 043 Yuba Found highway 49 2 miles N. of Downyville [Downieville] 1219 Comment
  CAS-BOT-BC253651  Dichanthelium acuminatum subsp. acuminatum Lowell Ahart 1979-6-25 s.n. Yuba 2 miles E of Challenge 700 Comment
  JEPS95481  Dichanthelium acuminatum subsp. fasciculatum Lowell Ahart 1994-6-5 7308 Yuba 3 air miles E of Forbestown (E side of Forbestown Road) 853 Comment
  UC592761  Dichelostemma capitatum Carl B. Wolf 1937-6-11 Yuba 1.6 mi nw Stanfield Hill (along a fork of s Honcut Creek); Sierra Nevada Foothills, Honcut Creek 304 Comment
  UCR169023  Dichelostemma capitatum David Charlton 2005-5-16 8016 Yuba Sacramento Valley, Yuba Gold Field; just south of Yuba River; c. 7.5 mi ENE of Marysville; N of Beale Air Force Base; Survey area c. 2 miles by 1 mile 46 Comment
  CAS-BOT-BC483644  Dichelostemma capitatum Peter H. Raven 1953-5-9 5469 Yuba 1 mile from Brownsville on road to Challenge Comment
  CHSC100774  Dichelostemma capitatum subsp. capitatum L. P. Janeway 2008-5-11 9358 Yuba Northern High Sierra Nevada. About 0.8 km north-northeast of Challenge; Golden Gate Ravine side of the ridge between that and Jordan Creek; west side of Road 19N04 1.1 km north-northwest of Challenge-La Porte Road. At top of dry northwest-sloping swale. 1012 Comment
  CHSC118503  Dichelostemma capitatum subsp. capitatum L. P. Janeway 2016-5-11 11959 Yuba Northern High Sierra Nevada. Plumas National Forest; near head of eastern tributary of Indian Creek; west side of Road 19N53 0.4 road-km south of Road 29N13. 920 Comment
  CHSC23169  Dichelostemma capitatum subsp. capitatum Robert A. Schlising; G. Keator 1963-4-8 2496 Yuba Along Hwy 20, near Brownsville, 29.4 mi W of Nevada City. Comment
  CHSC59577  Dichelostemma capitatum subsp. capitatum H. E. Mac Lennan 1992-4-15 17 Yuba 20 air miles se of Oroville. 518 Comment
  UCR257127  Dichelostemma capitatum subsp. capitatum George K. Helmkamp 2014-4-17 22767 Yuba Sierra Nevada Foothills, Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mi. due S of Smartsville 264 Comment
  UCD148231  Dichelostemma lacuna-vernalis Robert E. Preston 2013-3-16 2892 Yuba Along Hammonton-Smartville Rd, 2.4 mi E of Doolittle Drive. 63 Comment
  CHSC97503  Dichelostemma multiflorum Lowell Ahart 2007-5-14 13885 Yuba 60 yards northeast of the gate, about 20 yards north of the power tower, about 70 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 35 Comment
  SBBG34511  Dichelostemma multiflorum H. and M. Dearing 1939-5-6 3281 Yuba Browns Valley Comment
  SEINET7072988  Dichelostemma multiflorum A. G. Vestal 1963-5-30 s.n. Yuba Dry Creek at junction with Peoria Road north of Sicard. Coordinate datum WGS84/NAD83. (39? deg. 14' 2" North Latitude, -121? deg. 20' 47" West Longitude. UTM Zone 10, 642723mE, 4343827mN. Coordinate datum: NAD27). Comment
  UCD139261  Dichelostemma multiflorum Barbara Yungert 1974-4-29 91 Yuba North of Yuba River, F-2 project area, Sierra Foothill Field Station. Comment
  UCD37884  Dichelostemma multiflorum Beecher Crampton 1962-4-24 6308 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  CAS-BOT-BC500917  Dichelostemma multiflorum Alice Eastwood 1921-5-22 10522 Yuba Los Vergils Comment
  SEINET7042626  Dichelostemma multiflorum A. G. Vestal 1963-5-7 s.n. Yuba Ca. 3.5 miles north of Wheatland. Camp Far West quadrangle UTM Zone 10, 640908mE, 4323324mN. Comment
  UCD139277  Dichelostemma volubile Barbara Yungert 1974-4-22 77 Yuba Along four wheel drive jeep road, north of Yuba River, F-2 project area, Sierra Foothill Field Station. Comment
  UCD37872  Dichelostemma volubile Beecher Crampton 1962-4-24 6291 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  CAS-BOT-BC501113  Dichelostemma volubile Carl B. Wolf 1937-6-11 8778 Yuba 1 6/10 mile NW of Stanfield Hill along a fork of So. Honcut Creek, Sierra Nevada Foothills 304 Comment
  SJSU9998  Dichelostemma volubile J. B. Willis Jr. 1968-4-27 71 Yuba S bank Yuba River on old stage rd to Timbucktoo, 18 mi E of Marysville Comment
  UCD139278  Dichelostemma volubile Barbara Yungert 1974-4-18 66 Yuba along four wheel drive road, north of Yuba River, F-2 project area, Sierra Foothill Field Station. Comment
  CHSC47404  Dichondra donelliana Lowell Ahart 1981-6-13 2859 Yuba On the banks of a small stream, about 1/2 mile west of McGinn Hill, east of Loma Rica. 365 Comment
  CHSC113174  Digitaria sanguinalis Lowell Ahart 2013-11-30 19302 Yuba On the sides of a deep wash (Willow Glen Creek), northwest of Dry Creek, below the high water line of Collins Lake, about 100 yards north of Marysville Road, about 2 1/2 miles west of Oregon House. 356 Comment
  CHSC69460  Digitaria sanguinalis Lowell Ahart 1997-8-13 7868 Yuba On the south side of Scott Forbes Road, 1/4 mile east of the intersection of Scott Forbes Road and Peoria Road, just of Gray Drive, about 2 1/4 miles (air) east of Browns Valley. 91 Comment
  CAS-BOT-BC153792  Diplacus angustatus Alice Eastwood 1930-4-12 s.n. Yuba Texas hill road Comment
  SEINET13765312 Image available Diplacus grandiflorus Mary Anne Brayton 1964-1 15 Yuba Harry L. Englebright Dam - south shore near dam, State Highway 20, 20 miles northwest of Marysville 183 Comment
  SEINET13765295 Image available Diplacus grandiflorus L. Constance 1938-1 2291 Yuba Sierra Nevada foothills; Middle Fork of the Yuba River, 4 miles W of North San Juan 427 Comment
  CAS-BOT-BC151760  Diplacus kelloggii Daniel Campbell 1974-5-23 s.n. Yuba 1/2 mile south of Camptonville on Solidarity Mining Claim - Sierra Nevada 701 Comment
  CAS-BOT-BC151761  Diplacus kelloggii R. C. Barneby; John Thomas Howell 1954-5-12 11475 Yuba 4 miles s. of Camptonville 579 Comment
  CHSC62590  Diplacus torreyi L. P. Janeway 1993-6-15 4385 Yuba Plumas National Forest. 1.3 mi east of Woodleaf, 1.2 mi southwest of Clipper Mills; uppermost drainage of Slapjack Creek. 1043 Comment
  CAS-BOT-BC151635  Diplacus torreyi L. Beane; A. M. Vollmer 1951-7-1 192 Yuba Brownsville Comment
  CAS-BOT-BC151333  Diplacus tricolor Lowell Ahart 2007-5-12 13815 Yuba About 20 yards northeast of the second power tower, about 400 yards north of Fruitland road, about 13 miles (air) northeast of Marysville 28 Comment
  CHSC97700  Dittrichia graveolens Lowell Ahart 2007-11-1 14547 Yuba On the north side of Loma Rica Road, east of the Fire Station, about 3/4 mile east of Loma Rica. 146 Comment
  UCD80685  Dodecatheon clevelandii subsp. patulum CNPS SN Foothill Team 2005-3-16 SNFN 0057 Yuba CDFG, Spenceville Wildlife Area, ca. 0.75 mile up the Pitman Road, from junction of Smartville Road, just south of the road. 199 Comment
  SEINET8561734  Dodecatheon hansenii A. Tiehm 1975-1 653 Yuba U.C. Sierra Foothill Field Station. 396 Comment
  CHSC1397  Dodecatheon hendersonii V. Holt 1946-4-16 Yuba Smartsville. 313 Comment
  UCD118970  Dodecatheon hendersonii Barbara Yungert 1974-4-16 49 Yuba Near wire gate, Koch Livestock Free Area, Sierra Foothill Field Station. Comment
  RSA21666  Downingia bicornuta C. B. Wolf 1937-5-18 8736 Yuba SacramenoValley, 2 mi S of Marysville. 18 Comment
  RSA389177  Downingia bicornuta C. B. Wolf 1937-5-18 8736 Yuba Sacramento Valley, 2 mi S of Marysville 18 Comment
  JEPS108500  Downingia bicornuta var. bicornuta Lisa Schultheis 1996-5-23 304 -96 Yuba Beale Air Force Base. Comment
  JEPS113471  Downingia ornatissima var. ornatissima Lowell Ahart 2007-5-12 13785 Yuba Bottom of a scraped area, about 30 feet east of a culvert, about 50 yards north of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  UC1283735  Downingia ornatissima var. ornatissima Beecher Crampton 1965-5-11 7320 Yuba 2.5 mi sw Browns Valley Comment
  POM161767  Draperia systyla R. C. Bacigalupi 1927-7-2 1589 Yuba Highway to Downieville about 8 mi NE of Camptonville. Comment
  UCD113139  Drymocallis glandulosa var. glandulosa Kathleen Keliher 1975-5-30 117 Yuba Near New York Flat Road, ca. 3 miles from Willow Glen Road. 762 Comment
  JEPS122443  Drymocallis glandulosa var. reflexa L. P. Janeway 2014-5-12 11248 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. Quad: French Corral 7.5'. Comment
  CAS-BOT-BC535048  Drymocallis glandulosa var. reflexa Elmer I. Applegate 1934-5-2 8892 Yuba Near Indian Valley Comment
  CAS-BOT-BC535049  Drymocallis glandulosa var. reflexa Peter H. Raven 1953-5-9 5467 Yuba 3 miles E of Brownsville on Bangor road Comment
  CAS-BOT-BC535050  Drymocallis glandulosa var. reflexa Peter H. Raven 1975-6-10 1496 Yuba Challange Experimental Forest, along La Porte Road near Challange 762 Comment
  CHSC32106  Dryopteris arguta L. Ahart 1974-12-29 688 Yuba Ca. 100 yds below the rd near the edge of Costa Creek, 2.5 mi e of Forbestown. 518 Comment
  UCD136425  Dryopteris arguta G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12828 Yuba Northern Sierra Nevada Mountains Foothills: Mountain House Road 0.6 mile west of Sierra county line. Sleighville area beside Willow Creek. 1021 Comment
  CAS-BOT-BC70812  Dryopteris arguta Lowell Ahart 1974-12-29 s.n. Yuba near Costa Creek, 2 miles E. of Forbestown 518 Comment
  SEINET8472322  Dudleya cymosa C. Aarstad 1979-4-28 s.n. Yuba Browns Valley, junction of Rte. 20 and N Fork of the Yuba. 183 Comment
  CAS-BOT-BC428064  Dudleya cymosa subsp. cymosa Barbara T. Keller 1975-6-10 1511 Yuba Willow Glen Road from Stanfield Hill to Brownsville, about 11.5 mi. north of junction of Willow Glen Road and Marysville Road. Comment
  CHSC96845  Echinochloa colona Lowell Ahart 2007-6-30 14230 Yuba Sides of a small wash, about 250 yards west of the power tower, about 100 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  JEPS113716  Echinochloa colona Lowell Ahart 2007-6-30 14230 Yuba Sides of a small wash, about 250 yards west of the power tower, about 100 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  RSA726850  Echinochloa colona L. Ahart 2007-6-30 14233 Yuba About 13 miles (air) northeast of Marysville. 29 Comment
  UCD60822  Echinochloa crus-galli Beecher Crampton 1963-9-9 6878 Yuba 2.5 miles n.n.w. Smartsville, 5 miles east Brown's Valley. U.C. Sierra Foothill Field Station. Comment
  UCD67042  Echinochloa crus-galli G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12840 Yuba Northern Sierra Nevada Mountains: along Hwy. CA-49, 0.5 mile south of Camptonville. 817 Comment
  UCR201770  Echinochloa crus-galli George K. Helmkamp, E. A. Helmkamp 2008-10-6 14208 Yuba Sacramento Valley, Ostrom #3 Road, 1.2 miles east of junction with CA-65, southeast of Olivehurst 20 Comment
  CAS-BOT-BC197247  Echinochloa muricata Lowell Ahart 1977-9-25 s.n. Yuba 2 mi. NE of Marysville 35 Comment
  CAS-BOT-BC197248  Echinochloa muricata A. Starker Leopold 1956-7-18 s.n. Yuba 3 miles n.w. of Rio Oso Post Office Comment
  UCD80266  Eleocharis acicularis CNPS SN Foothill Team 2005-7-5 SNNR 0529 Yuba CDFG Daugherty Hill Wildlife Area. 289 Comment
  CHSC116337  Eleocharis acicularis var. acicularis Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-11-14 20646 Yuba North of the spillway area, at the west side and near the top of Lake Francis Dam, below the high water line of Lake Francis, about 1 1/2 miles south of Dobbins. 512 Comment
  JEPS124315  Eleocharis acicularis var. acicularis Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-11-14 20646 Yuba Below the high water line of Lake Francis, about 1 1/2 miles south of Dobbins. Comment
  CAS-BOT-BC113586  Eleocharis acicularis var. bella Lowell Ahart 1980-6-19 2403 Yuba 3 mi SE of Challenge. 800 Comment
  CHSC78179  Eleocharis acicularis var. occidentalis Lowell Ahart 2000-6-11 8471 Yuba On the east side of a small wash, west of Smartville Road, about 1/8 mile southwest of the intersection of Waldo Road and Smartville Road, about 8 miles (air) south of Smartville. 99 Comment
  CHSC78288  Eleocharis bella Lowell Ahart 2000-6-23 8507 Yuba On a dirt road, about 100 yards east of the meadow along La Porte Road, about 100 yards north of Scales Road, about 3 miles northeast of Strawberry Valley. 1219 Comment
  SEINET3441885  Eleocharis bella Unknown 2000-6-23 8507 Yuba Strawberry Valley, Strawberry Valley, about 3 miles northeast, about 100 yards east of the meadow along La Porte Road, about 100 yards north of Scales Road 1210 Comment
  CHSC110342  Eleocharis bolanderi L. P. Janeway 2013-6-7 11133 Yuba Northern High Sierra Nevada. Headwaters of Cottage Creek, one of a series of meadows; 0.15 km southwest of Oregon Hill Road, 1.3 air km northeast of Oregon Peak. 815 Comment
  CHSC78293  Eleocharis bolanderi Lowell Ahart 2000-6-19 8494 Yuba Meadow, about 80 yards north of New York Flat Road, about 1 1/4 miles (air) northeast of Brownsville, about 2 1/4 miles (air) west of Challenge. 731 Comment
  CHSC78297  Eleocharis bolanderi Lowell Ahart 2000-6-23 8505 Yuba In a small meadow, about 80 yards east of the meadow along La Porte Road, about 100 yards north of Scales Road, about 3 miles northeast of Strawberry Valley. 1219 Comment
  JEPS98607  Eleocharis bolanderi Lowell Ahart 2000-6-19 8494 Yuba Meadow, ca 80 yards N of New York Flat Road, ca 1 1/4 miles (air) NE of Brownsville, ca 2 1/4 miles (air) W of Challenge. 731 Comment
  JEPS98721  Eleocharis bolanderi Lowell Ahart 2000-6-19 8494 Yuba Meadow, ca 80 yards N of New York Flat Road, ca 1 1/4 miles (air) NE of Brownsville, ca 2 1/4 miles (air) W of Challenge. 731 Comment
  CHSC83029  Eleocharis engelmannii Lowell Ahart 2002-10-9 9950 Yuba Area south of a spring, below the high water line of Sly Creek Reservoir, about 1/8 mile southwest of the Day Camp, Sly Creek Reservoir. 1072 Comment
  JEPS103479  Eleocharis engelmannii Lowell Ahart 2002-10-9 9950 Yuba Area S of a spring, below the high water line of Sly Creek Reservoir, ca 1/8 mile SW of the Day Camp, Sly Creek Reservoir. 1072 Comment
  CAS-BOT-BC113345  Eleocharis engelmannii John Thomas Howell; Gordon H. True 1969-6-24 5098 Yuba Artificial lake ca. 1 mi NW of Spenceville (site) on Cox Creek. 152 Comment
  CHSC116038  Eleocharis engelmannii var. engelmannii Lowell Ahart 2015-11-19 20673 Yuba 100 yards or more north of the spillway area, below the high water line, west side of Lake Francis, about 1-1/2 miles south of Dobbins. 512 Comment
  CAS-BOT-BC113033  Eleocharis macrostachya Gordon H. True; John Thomas Howell 1970-5-29 5423 Yuba Artificial lake ca. 1 mi. NW of Spenceville (site) on Cox Creek. 152 Comment
  CHSC78292  Eleocharis macrostachya Lowell Ahart 2000-7-13 8579 Yuba In a small meadow, on the south side of Ridge Road, about 1/4 mile west of Our House, about 2 miles (air) east of Celestial Valley, about 2 1/2 miles (air) southeast of Camptonville. 975 Comment
  CHSC96844  Eleocharis macrostachya Lowell Ahart 2007-6-30 14235 Yuba West side of a new ditch, near and west of a new road pad, about 350 yards west of the power tower, about 100 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  UCR201938  Eleocharis macrostachya George K. Helmkamp, E. A. Helmkamp 2008-10-6 14205 Yuba Sacramento Valley, junction of CA-65 and Ostrom No. 3 Road, southeast of Olivehurst 24 Comment
  CDA38958  Eleocharis montevidensis L. Ahart 2003-7-6 10362 Yuba East of the power line, about 50 yards west of Fountain Hill Road, about 5 miles (air) north of Dobbins. Comment
  UCD33112  Eleocharis montevidensis Beecher Crampton 1966-6-14 7757 Yuba Yuba County, 1 mile east of Brownsville on La Porte road. 731 Comment
  JEPS124259  Eleocharis obtusa Lowell Ahart 2015-11-19 20689 Yuba West side of Lake Francis, about 1 1/2 miles south of Dobbins. Comment
  CAS-BOT-BC113099  Eleocharis obtusa Beecher Crampton 1966-6-14 7757 Yuba 1 mile east of Brownsville, La Porte Road. Stony creek bed. Comment
  CHSC78299  Eleocharis pachycarpa Lowell Ahart 2000-6-19 8490 Yuba Along a south branch of Dry Creek, on the south side of Marysville Road, about 1/4 mile west of the intersection of Marysville Road and Frenchtown Road, west of Oregon House, about 2 miles east of Collins Lake. 457 Comment
  CHSC83068  Eleocharis pachycarpa Lowell Ahart 2002-10-9 9949 Yuba Area south of a spring, below the high water line of Sly Creek Reservoir, about 1/8 mile southwest of the Day Camp, Sly Creek Reservoir. 1072 Comment
  JEPS124318  Eleocharis pachycarpa Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-11-14 20642 Yuba Lake Francis, about 1 1/2 miles south of Dobbins. Comment
  SEINET3478048  Eleocharis pachycarpa Unknown 2000-6-19 8490 Yuba Collins Lake, Collins Lake, about 2 miles east, on the south side of Marysville Road, about 0.25 miles west of the intersection of Maryville Road and Frenchtown Road, west of Oregon House, along a south branch of Dry Creek 450 Comment
  CHSC78301  Eleocharis quinqueflora Lowell Ahart 2000-6-19 8493 Yuba Wet meadow, about 100 yards north of New York Flat Road, about 1 1/4 miles (air) northeast of Brownsville, about 2 1/4 miles (air) west of Challenge. 731 Comment
  CHSC78313  Eleocharis quinqueflora Lowell Ahart 2000-7-13 8578 Yuba In a small meadowl, on the south side of Ridge Road, about 1/4 mile west of Our House, about 2 miles (air) east of Celestial Valley, about 2 1/2 miles (air) southeast of Camptonville. 975 Comment
  JEPS98361  Eleocharis quinqueflora Lowell Ahart 2000-6-23 8506 A Yuba 3 mi NE of Strawberry Valley (small meadow,100 yds E of the meadow along La Porte Road,100 yds N of Scales Road) 1219 Comment
  JEPS98608  Eleocharis quinqueflora Lowell Ahart 2000-6-19 8493 Yuba Wet meadow, ca 100 yards N of New York Flat Road, ca 1 1/4 miles (air) NE of Brownsville, ca 2 1/4 miles (air) W of Challenge. 731 Comment
  JEPS98611  Eleocharis quinqueflora Lowell Ahart 2000-6-23 8506 Yuba Bog in a small meadow, about 80 yards east of the meadow along La Porte Road, about 100 yards north of Scales Road, about 3 miles northeast of Strawberry Valley. 1219 Comment
  JEPS98296  Eleocharis quinqueflora Lowell Ahart 2000-7-13 8578 Yuba small meadow on S side of Ridge Road, 1/4 mi W of Our House, 2 air mi E of Celestial Valley, 2 1/2 air mi SE of Camptonville 975 Comment
  RSA716309  Eleocharis quinqueflora L. Ahart 2000-6-19 8493 Yuba About 100 yards north of New York Flat Road, about 1.25 miles (air) northeast of Brownsville, about 2.25 miles (air) west of Challenge 732 Comment
  SEINET7587004 Image available Eleocharis quinqueflora Lowell Ahart 2000-6-19 8493 Yuba About 100 yards north of New York Flat Road, about 1 1/4 miles (air) northeast of Brownsville, about 2 1/4 miles (air) west of Challenge. 732 Comment
  SEINET7587017 Image available Eleocharis quinqueflora Lowell Ahart 2000-5-25 8398 Yuba North branch of Dry Creek, about 100 yards west of Smartville Road, about 2 miles north of the intersection of Waldo Road and Smartville Road, about 6 miles (air) south of Smartville. 146 Comment
  CDA43379  Eleusine tristachya Gary Walker 2014-11-25 PDR# 510 P06303491 Yuba West of Highway 70, near Magnolia Road, eight miles north of Marysville. 0 Comment
  CAS-BOT-BC451544  Elodea canadensis Lowell Ahart 1977-9-25 s.n. Yuba 2 mi. NE of Marysville. On the Sam Shintaffer Farm. 35 Comment
  CDA36342  Elodea nuttallii Jonathan Heintz 2011-12-14 PDR# 1322430 Yuba Browns Valley, 9659 Stern Lane. 0 Comment
  JEPS118729  Elymus caput-medusae L. P. Janeway and Melanie Williams, Tim Hanson 2011-6-9 10370 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. French Corral 7.5' quad. Comment
  UCR169018  Elymus caput-medusae David Charlton 2005-5-16 8014 Yuba Sacramento Valley, Yuba Gold Field; just south of Yuba River; c. 7.5 mi ENE of Marysville; N of Beale Air Force Base; Survey area c. 2 miles by 1 mile 46 Comment
  UCR232249  Elymus caput-medusae George K. Helmkamp, E. A. Helmkamp 2011-5-6 17214 Yuba Eastern edge of Sacramento Valley, Camp Far West Road, 1.3 miles southeast of its junction with Spenceville Road, 5.25 mi. NE (52 deg. ) of Wheatland 62 Comment
  UCD61799  Elymus glaucus Beecher Crampton 1971-6-18 8733 Yuba Sierra Foothill Range Field Station. Ca. 6 miles E of Browns Valley. Comment
  UCD62317  Elymus glaucus Beecher Crampton 1957-6-5 4139 Yuba 1 mile east of Stanfield Hill. Comment
  JEPS118046  Elymus glaucus subsp. glaucus Lowell Ahart 2011-6-7 17423 Yuba West of a willow shrub, just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville 66 Comment
  UCD62472  Elymus multisetus Beecher Crampton 1957-6-5 4136 Yuba 7.5 miles northeast of Brown's Valley town. Comment
  UCD62497  Elymus multisetus Beecher Crampton 1966-6-14 7762 Yuba 1 mile west of Brownsville. Comment
  UCD62507  Elymus multisetus Beecher Crampton 1957-6-5 4135 Yuba 7.5 miles northeast of town of Brown's Valley. Comment
  CHSC44533  Elymus stebbinsii subsp. septentrionalis Lowell Ahart 1979-6-25 1946 Yuba North of the dirt road, about 2 miles east of Challenge. 640 Comment
  CHSC84144  Elymus stebbinsii subsp. septentrionalis Lowell Ahart 2003-7-2 10341 Yuba About 200 yards south of the 4-H Camp, on the west side of Oregon Hill Road, about 1/2 mile north of Marysville Road, about 2 miles (air) northeast of Dobbins. 815 Comment
  JEPS104068  Elymus stebbinsii subsp. septentrionalis Lowell Ahart 2003-7-2 10341 Yuba about 200 yds S of the 4-H Camp, on W side of Oregon Hill Road, about 1/2 mi N of Marysville Road, about 2 air mi NE of Dobbins 815 Comment
  JEPS94446  Epilobium brachycarpum Lowell Ahart 1997-8-30 7876 Yuba about 3 air mi e of Challenge (on w side of the dirt road, in clear cut, Peterson Ridge Road); Peterson Ridge Road 762 Comment
  SD234459  Epilobium brachycarpum G. K. Helmkamp, E. A. Helmkamp 2006-10-10 11529 Yuba Northern Sierra Nevada Foothills: along Hwy CA-49 just N of the Nevada County line at the Middle Yuba River bridge (Camptonville 7.5' Q) 451 Comment
  UCD105307  Epilobium brachycarpum G. K. Helmkamp; E. A. Helmkamp 2006-10-10 11529 Yuba Northern Sierra Nevada Mountains Foothills. Along Hwy CA-49 just N of the Nevada County line at the Middle Yuba River bridge. 451 Comment
  SBBG121611  Epilobium campestre L. Ahart 2007-6-30 14226 Yuba ca. 250 yards W of the power tower, ca. 100 yards N of Fruitland Rd, ca. 13 mi (air) NE of Marysville 29 Comment
  CHSC84143  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2003-7-2 10349 Yuba Seep on the east side of Fountain Hill Road, about 3 miles south of Oregon Hill Road, about 1/2 mile (air) north of Fountain House Hill, about 3 miles (air) northeast of Dobbins. 841 Comment
  JEPS104040  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2003-7-2 10349 Yuba Seep on the e side of Fountain Hill Rd, ca 3 mi south of Oregon Hill Rd, ca 1/2 mi (air) n of Fountain House Hill, ca 3 mi (air) ne of Dobbins. 841 Comment
  JEPS94624  Epilobium ciliatum subsp. ciliatum Lowell Ahart 1997-8-7 7818 Yuba Peterson Ridge Rd. about 3 air mi se Challenge (on bottom and sides of small stream, a branch of Little Oregon Creek, on e side of dirt road) 762 Comment
  CHSC73421  Epilobium ciliatum subsp. glandulosum B. Castro; L. Gehrung 1995-8-9 600 Yuba Fish Mdw. Ca 5 air mi NE of Strawberry Valley, and ca 1.5 mi E of Slate Ck. Ini meadow on unnamed stream flowing S into Canyon Ck, ca 500 ft W of USFS Rd 20N35 via unnamed dirt rd. In lower end of meadow near stream channel. 1249 Comment
  CHSC83069  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2002-10-9 9957 Yuba Along Lost Creek, below the high water line of Sly Creek Reservoir, about 1/8 mile southwest of the Day Camp, Sly Creek Reservoir. 1072 Comment
  CHSC96843  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2007-6-30 14236 A Yuba West side of a new ditch, near and west of a new road pad, about 350 yards west of the power tower, about 30 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  CHSC97135  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2007-6-30 14236 Yuba Near and west of new road pad, about 350 yards west of the power tower, about 30 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  JEPS103440  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2002-10-9 9957 Yuba Along Lost Creek, below the high water line of Sly Creek Reservoir, ca 1/8 mile SW of the Day Camp, Sly Creek Reservoir. 1072 Comment
  JEPS38236  Epilobium densiflorum W. L. Jepson 1934-7-29 16764 Yuba Smartsville Comment
  SEINET13709825  Epilobium densiflorum Lowell William Ahart, Lowell William Ahart 2003-1 10413 Yuba 6 Air Mi. S of Smartville, 2 Mi. N Jct. Waldo and Smartville Roads (39 Deg 09'43.6"N, 121 Deg 19'02.3"W) 426 Ft. 130 Comment
  SEINET3449473  Epilobium densiflorum Unknown 2003-7-17 10413 Yuba Smartville, Smartville, about 6 air miles south, west side of Smartville Road, about 2 miles north of the intersection of Waldo Road and Smartville Road 120 Comment
  UCD106520  Epilobium minutum Barbara Yungert 1975-4-28 69 Yuba Sierra Foothill Field Station. 100 meters E of central picnic area, 60 meters from Yuba River, H 8-11 project area. 152 Comment
  CAS-BOT-BC165951  Epilobium torreyi Lowell Ahart 2007-5-12 13800 Yuba About 50 yards north of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  CAS-BOT-BC57515  Equisetum telmateia John Thomas Howell 1951-8-21 28287 Yuba Near Camptonville 762 Comment
  UCD63095  Eragrostis curvula Beecher Crampton 1974-10-11 9093 Yuba 2 miles southeast of Brown's Valley along Hwy. 20. Comment
  CHSC69462  Eragrostis mexicana subsp. virescens Lowell Ahart 1997-8-13 7866 Yuba On th south side of Scott Forbes Road, 1/4 mile east of the intersection of Scott Forbes Road and Peoria Road, just east of Gray Drive, about 2 1/4 miles (air) east of Browns Valley. 91 Comment
  JEPS94974  Eragrostis mexicana subsp. virescens Lowell Ahart 1997-8-13 7866 Yuba about 2 1/4 air mi e of Browns Valley (on s side of Scott Forbes Road, 1/4 mi e of intersection of Scott Forbes Road and Peoria Road, just e of Gray Drive); s side of Scott Forbes Road 91 Comment
  SEINET3015267  Eragrostis mexicana subsp. virescens L. Ahart 1997-8-13 7866 Yuba On the south side of Scott Forbes Rd, 1.4 mi E of the intersection of Scott Forbes Rd and Peoria Rd., just E of Gray Drive about 2 1/4 mi 9air) E of Browns Valley. 91 Comment
  UCD63879  Eragrostis mexicana subsp. virescens F. L. Smith 1945-10-4 Yuba Marysville, 2 miles north. Comment
  CHSC69463  Eragrostis pectinacea var. pectinacea Lowell Ahart 1997-8-13 7867 Yuba On the south side of Scott Forbes Road, 1/4 mile east of the intersection of Scott Forbes Road and Peoria Road, just east of Gray Drive, about 2 1/4 miles (air) east of Browns Valley. 91 Comment
  JEPS94364  Eragrostis pectinacea var. pectinacea Lowell Ahart 1997-8-13 7867 Yuba about 2 1/4 air mi e of Browns Valley (on s side of Scott Forbes Road, 1/4 mi e of intersection of Scott Forbes Road and Peoria Road, just e of Gray Drive); Scott Forbes Road 91 Comment
  CHSC113189  Eragrostis pilosa var. pilosa Lowell Ahart 2013-11-30 19303 Yuba On the sides of a deep wash (Willow Glen Creek), northwest of Dry Creek, below the high water line of Collins Lake, about 100 yards north of Marysville Road, about 2 1/2 miles west of Oregon House. 356 Comment
  CAS-BOT-BC131512  Ericameria arborescens Carl B. Wolf; E. R. Johnson 1934-10-4 6153 Yuba Texas Hill, about 2 miles from Dobbins 457 Comment
  OBI5769  Ericameria arborescens Carl B. Wolf 1934-10-4 6153 Yuba Texas Hill, about 2 mi from Dobbins 457 Comment
  UC527410  Ericameria arborescens Carl B. Wolf and E. R. Johnson 1934-10-4 6153 Yuba about 2 mi from Dobbins; Texas Hill 457 Comment
  CHSC108163  Ericameria parryi var. latior L. P. Janeway 2011-8-15 10653 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.1 air km east of Dobbins, 2.1 air km south-southwest of Oregon Peak, 0.2 km north of Marysville Road. 762 Comment
  CHSC45000  Erigeron canadensis Lowell Ahart 1977-11-13 1607 Yuba Near the edge of the dirt road, near the bridge across Slate Creek, about 5 air miles east of Strawberry Valley. 914 Comment
  UCD131914  Erigeron foliosus Barbara Yungert 1974-5-23 173 Yuba along road near powerhouse, below Englebright Dam, Sierra Foothill Field Station. Comment
  CAS-BOT-BC295160  Erigeron inornatus Lowell Ahart 1983-8-10 4272 Yuba Along the Peterson Ridge Road, about 4 miles south-east of Challenge 1000 Comment
  CHSC84170  Erigeron inornatus var. inornatus Lowell Ahart 2003-7-6 10358 Yuba Near a meadow, east of the power line, about 60 yards west of Fountain Hill Road, about 5 miles (air) north of Dobbins. 836 Comment
  CAS-BOT-BC295784  Erigeron petrophilus var. sierrensis Lowell Ahart 1980-8-12 2528 Yuba About 2 miles south-east of Woodleaf 800 Comment
  CHSC96977  Erigeron philadelphicus Lowell Ahart 2007-8-7 14427 Yuba About 200 yards south of Hampshire Creek Meadow, about 30 yards east of the dirt road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  CAS-BOT-BC214557  Erigeron philadelphicus Alice Eastwood 1921-5-22 10573 Yuba Los Vergils Comment
  JEPS113577  Erigeron philadelphicus var. philadelphicus Lowell Ahart 2007-8-7 14427 Yuba About 200 yards south of Hampshire Creek Meadow, about 30 yards east of the dirt road, about 1 mile (air) east of Clipper Mills 1021 Comment
  JEPS113102  Eriodictyon californicum Lowell Ahart 2007-4-17 13688 Yuba On the north side of the poor dirt fireguard, about 50 yards northwest of Marysville Road and the Parking Area, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 5 1/2 miles (air) northeast of Loma Rica 292 Comment
  UC410442  Eriodictyon californicum Alice Eastwood 1930-4-12 Yuba Comment
  JEPS94519  Eriogonum nudum var. oblongifolium Lowell Ahart 1997-8-7 7834 Yuba about 3 air mi e of Challenge (on n side of the dirt road, nw of the bridge across Indian Creek) 762 Comment
  CHSC69147  Eriogonum umbellatum var. ahartii Lowell Ahart 1997-8-9 7838 Yuba On the west side of the dirt road, about one mile (air) south of Woodleaf. 944 Comment
  CHSC69429  Eriogonum umbellatum var. ahartii Lowell Ahart 1997-8-30 7875 Yuba In the gutter on the north side of Forbestown Road, just west of Costa Creek, about 2 1/2 miles (air) southeast of Forbestown. 853 Comment
  JEPS94926  Eriogonum umbellatum var. ahartii Lowell Ahart 1997-8-30 7875 Yuba about 2 1/2 air mi se of Forbestown (on n side of Forbestown Road, just w of Costa Creek); n side of Forbestown Road 853 Comment
  CAS-BOT-BC265202  Eriogonum umbellatum var. speciosum Lowell Ahart 1980-8-12 2526 Yuba Ca. 2 mile south-east of Woodleaf, Sierra Nevada 800 Comment
  SD147528  Eriogonum umbellatum var. speciosum Lowell Ahart 1980-8-12 2526 Yuba Sierra Nevada: Ca. 2 miles south-east of Woodleaf. 800 Comment
  SEINET4208678  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2007-5-26 12128 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, 1.3 miles south of Camptonville. Camptonville 7.5' Q.; 0 802 Comment
  UCR194911  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2007-5-26 12128 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, 1.3 miles south of Camptonville 802 Comment
  UCR196979  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2008-5-20 13464 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  CAS-BOT-BC301317  Eriophyllum lanatum var. croceum Lewis S. Rose 1939-6-6 39225 Yuba Brownsville 685 Comment
  CAS-BOT-BC308241  Eriophyllum lanatum var. grandiflorum Alice Eastwood 1921-5-22 10539 Yuba Los Vergils Comment
  CAS-BOT-BC308243  Eriophyllum lanatum var. grandiflorum Mrs. J. E. Cramsie 1923-5-22 s.n. Yuba Smartsville Comment
  CHSC113674  Eriophyllum lanatum var. grandiflorum L. P. Janeway 2014-6-24 11416 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 480 m northeast of Marysville Road. 756 Comment
  UCR258226  Erodium botrys George K. Helmkamp, Amy Barnes 2013-3-28 20255 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  SEINET8526857  Erodium botrys R. T. Short 1961-4-11 s.n. Yuba 5 miles west of Smartville on Calif. 20 366 Comment
  RSA726411  Erodium brachycarpum L. Ahart 2007-5-12 13796 Yuba About 13 miles (air) northeast of Marysville. 28 Comment
  JEPS113620  Erodium cicutarium Lowell Ahart 2007-5-14 13877 Yuba On dry bare disturbed dark soil, about 20 yards northeast of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  UCD37852  Erodium cicutarium Beecher Crampton 1962-4-24 6256 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  RSA590206  Erodium cicutarium Michael A. Vincent, Robert M. Rhode 1996-3-29 7248 Yuba Along Ramirez Rd. at RR track and drainage ditch, 3 mi. E of jct. with St. Hwy. 70, ca. 6 mi N of Marysville. Comment
  RSA125337  Eryngium castrense P. H. Raven, Otto T. Solbrig 1959-6-15 13225 Yuba 9.4 miles south of Marysville on Highway 99 Comment
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Nov 8 2011
  UC1167729  Eryngium castrense Peter H. Raven with Otto T. Solbrig 1959-6-15 13225 Yuba 9.4 mi. s. Marysville (U.S. Hwy. 99E) Comment
  UCD144170  Eryngium castrense Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-6-5 352 Yuba Beale Air Force Base, North Beale Road. UTMs 10S0646172; 4300072. Comment
  UCD21177  Eryngium castrense Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-6-5 352 Yuba Beale Air Force Base, North Beale Road. UTMs 10S0646172; 4300072. Comment
  SEINET7075555  Eryngium pinnatisectum A. G. Vestal 1955-4-4 s.n. Yuba About 9 miles northeast of Marysville on Route 20. 39? deg. 13' 38" North Latitude, -121? deg. 24' 51" West Longitude. UTM Zone 10, 636890mE, 4342994mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  SEINET7042624  Eryngium vaseyi A. G. Vestal 1963-5-7 s.n. Yuba Ca. 3.5 miles north of Wheatland. Camp Far West quadrangle UTM Zone 10, 640908mE, 4323324mN. Comment
  CAS-BOT-BC54683  Erysimum capitatum Lewis S. Rose 1939-6-7 39241 Yuba North Fork of Feather River. 3 miles south of Pulga. 609 Comment
  CAS-BOT-BC54684  Erysimum capitatum Gordon H. True 1962-5-1 552 Yuba Sierra Nevada. On Comptonville-Downieville Highway. About 1 mile north of Comptonville. Comment
  SEINET5342699  Erysimum capitatum C. Aarstad 1979-4-28 s.n. Yuba At junction of Rt. 20 and N. fork of Yuba River in Browns Valley. 183 Comment
  UCD114998  Erysimum capitatum var. capitatum Kathleen Kehiler 1975-5-15 113 Yuba base of steep road cut along Marysville Road near Bullards Bar Dam. 609 Comment
  CHSC63275  Erythranthe bicolor Lowell Ahart 1994-6-5 7293 Yuba On the north side of Costa Creek, on the north side of Forbestown Road, about 3 (air) miles east of Forbestown. 853 Comment
  CHSC19697  Erythranthe guttata S. A. Harrison 1971-6-25 27 Yuba On n side of gravel road originating at main gate to Camp Far West recreation area 8 mi e of Wheatland. Comment
  CAS-BOT-BC153601  Erythranthe moniliformis Lowell Ahart 1980-8-12 2547 Yuba Along Slate Creek 1250 Comment
  CHSC23421  Erythronium multiscapideum D. Huffmaster 1974-4-14 Yuba Collected ca. 32 mi ne of Marysville on Indiana Ranch Road, ca. 0.2 mi n of Dobbins Road. 457 Comment
  JEPS106273  Erythronium multiscapideum Lowell Ahart 2004-4-27 10769 Yuba About 20 yards north of a drainage, about 50 yards east of the road, about 1/2 mile (air) southeast of Woodleaf 931 Comment
  CAS-BOT-BC502829  Erythronium multiscapideum Mrs. D. C. McGanney 1921-4-1 s.n. Yuba Smartville Comment
  CAS-BOT-BC502830  Erythronium multiscapideum Elmer I. Applegate 1929-5-1 5555 Yuba 5 miles north of San Juan, north fork Yuba River, near log cabin Comment
  CDA39344  Erythronium multiscapideum Yuba County School Children 1930-4-12 s.n. Yuba [No further data.] 0 Comment
  CHSC90463  Eschscholzia caespitosa Lowell Ahart 2005-3-11 11615 Yuba Large rock outcrop, south slope, about 1/2 mile west of Marysville Road, about 1/2 mile north of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 1/2 mile north of Loma Rica Road, about 5 miles (air) northeast of Loma Rica. 395 Comment
  JEPS107321  Eschscholzia caespitosa Lowell Ahart 2005-3-11 11615 Yuba Large rock outcrop, south slope, about 1/2 mile west of Marysville Road, about 1/2 mile north of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 1/2 mile north of Loma Rica Road, about 5 miles (air) northeast of Loma Rica 395 Comment
  UCD95349  Eschscholzia californica Barbara Yungert 1974-4-14 30 Yuba along west side of Road 4, L 1-21 project area, Sierra Foothill Field Station. Comment
  CAS-BOT-BC419485  Eschscholzia lobbii Gordon H. True 1963-4-17 1181 Yuba About 10 miles east of Marysville on Marysville-Grass Valley Hwy. 30 Comment
  SD241118  Eschscholzia lobbii George K. Helmkamp, E. A. Helmkamp 2011-4-10 17163 Yuba Sacramento Valley: along Camp Beale Highway/Spenceville Road, c. 1.75 miles northeast of Wheatland (Wheatland 7.5'Q) 43 Comment
  RSA21286  Eschscholzia lobbii Carl B. Wolf 1937-5-12 8630 Yuba 4 miles NE of Wheatland on road to Grass Valley 61 Comment
  UCD95379  Eschscholzia lobbii M. Sciuto-Creps 1998-4-26 32 Yuba 7 miles northeast of the town of Wheatland, in the property adjacent to the southeast end of Beale Air Force Base, about half a mile NE of Best Slough. Comment
  CHSC63247  Euphorbia crenulata Lowell Ahart 1994-6-5 7296 Yuba On the north side of Costa Creek, on the south side of Forbestown Road, about 3 (air) miles east of Forbestown. 853 Comment
  JEPS95342  Euphorbia crenulata Lowell Ahart 1994-6-5 7296 Yuba 3 air miles E of Forbestown (N side of Costa Creek, S side of Forbestown Road) 853 Comment
  CAS-BOT-BC202418  Euphorbia ocellata J. T. Howell; Gordon H. True 1969-6-24 5100 Yuba Ca. 1 mile NW of Spenceville (site) on Cox Creek 152 Comment
  CHSC68476  Euphorbia peplus Lowell Ahart 1997-4-6 7717 Yuba On the south side of the road, east of the intersection of Scott Forbes Road and Peoria Road, just southeast of the bridge across Dry Creek, about 14 miles northeast of Marysville. 60 Comment
  JEPS95139  Euphorbia spathulata Lowell Ahart, Barbara Castro, Dan Barth, Diane Mastalir 1997-4-6 7719 Yuba about 17 mi ne of Marysville (on s side of a poor dirt road, about 1/2 mi e of Scott Forbes Road (Long Bar Road) s of Dry Creek) 137 Comment
  CHSC95074  Eurybia radulina L. P. Janeway; Erin Brandy 2006-10-3 8899 Yuba Northern High Sierra Nevada. Plumas National Forest; near La Porte Road 1.5 km west of American House; on broad ridge top between Slate Creek and Lost Creek. 1492 Comment
  CHSC116311  Euthamia occidentalis Lowell Ahart 2015-11-19 20670 Yuba Spillway area, at the west side and near the top of Lake Francis Dam, about 1 1/2 miles south of Dobbins. 512 Comment
  JEPS124268  Euthamia occidentalis Lowell Ahart 2015-11-19 20670 Yuba Lake Francis, about 1 1/2 miles south of Dobbins. Comment
  CHSC107155  Festuca myuros L. P. Janeway; Melanie Williams, Tim Hanson 2011-6-9 10371 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. Small grassy meadow. Plants common throughout the meadow. 750 Comment
  CAS-BOT-BC278796  Festuca occidentalis Barbara T. Keller 1975-6-10 1510 Yuba Challenge Experimental Forest on La Porte Road near Challenge 762 Comment
  CHSC41203  Festuca occidentalis J. D. Jokerst 1984-7-5 2081 Yuba Canyon of Deadwood Creek between the creek and Weed Point. 883 Comment
  CHSC44567  Festuca occidentalis Lowell Ahart 1979-6-25 1938 Yuba About 1 mile south of Challenge. 640 Comment
  UC2046361  Ficus carica Barbara Ertter with Steve Matson 1996-10-19 15349 Yuba Waldo Road Bridge across Dry Creek, ca 15 airmi E of Marysville. Comment
  RSA726543  Filago gallica L. Ahart 2007-5-12 13768 Yuba About 13 miles (air) northeast of Marysville. 28 Comment
  UCD113242  Fragaria vesca Kathleen Keliher 1975-4-30 81 Yuba ca. 30 meters off Marysville Road near Oregon Creek. Comment
  CHSC113644  Frangula californica L. P. Janeway 2014-5-12 11251 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. 750 Comment
  CAS-BOT-BC53654  Frangula californica subsp. tomentella Carl B. Wolf 1927-11-6 1445 Yuba along the left bank of the Yuba River, near bridge on road from Brown's Valley to Smartsville Comment
  CAS-BOT-BC53657  Frangula californica subsp. tomentella Carl B. Wolf 1927-11-6 1446 Yuba Browns Valley to Smartsville Road, along left bank of Yuba River, near bridge 152 Comment
  CAS-BOT-BC53658  Frangula californica subsp. tomentella Carl B. Wolf 1927-11-5 1443 Yuba Browns Valley to Smartsville Road, along left bank of Yuba River, near bridge 152 Comment
  CAS-BOT-BC53660  Frangula californica subsp. tomentella Carl B. Wolf 1930-10-12 1738 Yuba Sierra Nevada Foothills, along Yuba River, near bridge on the Brown's Valley - Smartsville Road 152 Comment
  CAS-BOT-BC53666  Frangula californica subsp. tomentella Carl B. Wolf 1935-8-1 7564 Yuba along the Yuba River, near bridge on the Browns Valley - Smartsville Road, Sierra Nevada Foothills Comment
  CAS-BOT-BC53670  Frangula californica subsp. tomentella Lewis S. Rose 1940-5-28 40389 Yuba Browns Valley 60 Comment
  LA207668  Frangula californica subsp. tomentella C. B. Wolf; 1927-11-5 1445 Yuba Browns Valley to Smartsville Road, along left bank of Yuba River, near bridge 152 Comment
  LA207669  Frangula californica subsp. tomentella C. B. Wolf; 1927-11-5 1444 Yuba Browns Valley to Smartsville Road, along left bank of Yuba River, near bridge 152 Comment
  OBI5863  Frangula californica subsp. tomentella Carl B. Wolf 1927-11-6 1447 Yuba Browns Valley to Smartsville rd, along left bank of Yuba river, near bridge 152 Comment
  OBI6059  Frangula californica subsp. tomentella Carl B. Wolf 1927-11-6 1445 Yuba Browns Valley to Smartsville rd, along left bank of Yuba river, near bridge 152 Comment
  SBBG27500  Frangula californica subsp. tomentella C. B. Wolf 1927-11-5 1444 Yuba Browns Valley to Smartsville Rd, along left bank of Yuba River, near bridge 152 Comment
  SD22794  Frangula californica subsp. tomentella Carl B. Wolf 1927-11-5 1444 Yuba Browns Valley to Smartsville Road, along left bank of Yuba River, near bridge 152 Comment
  SD22795  Frangula californica subsp. tomentella Carl B. Wolf 1927-11-6 1445 Yuba Browns Valley to Smartsville Road, along left bank of Yuba River, near bridge 152 Comment
  UCD112769  Frangula californica subsp. tomentella D. H. Hartmann 1941-10-11 s.n. Yuba 2 miles west of Smartsville. Comment
  UCD112803  Frangula californica subsp. tomentella Carl B. Wolf 1927-11-5 1444 Yuba Browns Valley to Smartsville Road, along left bank of Yuba River, near bridge. 152 Comment
  JEPS127130  Frangula purshiana subsp. purshiana Lowell Ahart 2016-9-9 21346 Yuba After crossing Slate Creek on Old County Road to Scales, take first road to the right and go about 1/2 mile near Stowman Ravine, about 3 miles (air) southwest of Poverty Hill mine, about 8 miles (air) southwest of La Porte. Comment
  CAS-BOT-BC53823  Frangula rubra Carl B. Wolf 1934-10-4 6154 Yuba Sierra Nevada foothills. Texas Hill, 2 mi. w. of Dobbins 457 Comment
  CHSC69149  Frangula rubra Lowell Ahart 1997-8-7 7822 Yuba On the east side of the dirt road, near an unnamed stream, Peterson Ridge Road, about 3 miles (air) southeast of Challenge. 762 Comment
  CHSC107295  Frangula rubra subsp. obtusissima L. P. Janeway 2011-8-10 10638 Yuba Northern High Sierra Nevada. Plumas National Forest; serpentine slope on southeast side of Road 19N04 1.3 km north of Challenge-La Porte Road; 2.2 air km northeast of Challenge. 1023 Comment
  CHSC46513  Frangula rubra subsp. obtusissima Lowell Ahart 1976-5-6 1094 Yuba Along the edge of Ponderosa Way, near the Brownville Dump, south-west of Brownsville. 487 Comment
  HSC100759  Frangula rubra subsp. obtusissima L. P. Janeway 2011-8-10 10638 Yuba Plumas National Forest, SE side of Rd. 19N04, 1.3 km N of Challenge-La Porte Rd., 2.2 air km NE of Challenge. 1023 Comment
  HSC100760  Frangula rubra subsp. rubra L. P. Janeway 2011-8-10 10639 Yuba Plumas National Forest, SE side of Rd. 19N04, 1.3 km N of Challenge-La Porte Rd.; 2.2 air km NE of Challenge. 312 Comment
  CAS-BOT-BC223487  Fraxinus latifolia Alice Eastwood 1913-7-3 3408 Yuba Wheatland Comment
  UCD122071  Fraxinus latifolia Kathleen Keliher 1975-5-31 128 Yuba Along Dry Creek near Lower Cook Road, near boundary of K-4 project area, Sierra Foothill Field Station. Comment
  CHSC43325  Fremontodendron californicum Lowell Ahart 1976-5-6 1093 Yuba Near the Brownsville Dump, along Ponderosa Way, south-west of Brownsville. 457 Comment
  CHSC88993  Fremontodendron californicum L. Hanson 1984-5-21 244 Yuba Plumas National Forest. Brownsville Dump. 640 Comment
  CAS-BOT-BC205978  Fremontodendron decumbens G. L. Stebbins 1966-5-22 6417 Yuba Near Dobbins, beside city dump 524 Comment
  CHSC115206  Fritillaria eastwoodiae Lowell Ahart 2015-4-30 20127 Yuba On the south side of the gravel road, about 10 yards east of the gate, about 3/4 mile (air) southeast of Woodleaf. 948 Comment
  CHSC74731  Fritillaria eastwoodiae B. Castro; L. P. Janeway 1991-4-17 440 A Yuba Ca 10 air mi SE of Challenge, ca 1.4 mi E of Dobbins; the southern most parcel of the Plumas NF. On W end of saddle to the top of the S-facing slope between two knolls off of USFS Rd 18N03, mostly on the S side of the road. 762 Comment
  JEPS120942  Fritillaria eastwoodiae Lowell Ahart 2013-4-23 18566 Yuba Along Costa Creek, about 100 yards E of where the paved road crosses Costa Creek, about 2.5 air miles SE of the Forbestown Store. Comment
  SEINET10469564  Fritillaria micrantha Mary Susan Taylor, L. Hanson 1981-4-15 Taylor 3537 Yuba T19N R7E se sec 7, Clipper Mills quad. N side of Forbestown-Woodleaf Rd, ca. 3/4 mi E of its jct with Forbestown Rd, ca. 2 mi W of Woodleaf. 2800 ft. 853 Comment
  SJSU8740  Fritillaria micrantha N. A. Hopkins 1980-4-12 966 Yuba Abernathy (Abranathy) Rd near its intersection with Forbestown-Woodleaf Rd c. 2-3 mi E of Forbestown 838 Comment
  CAS-BOT-BC130402  Fritillaria pinetorum Lowell Ahart 1976-4-15 s.n. Yuba Near the Brownsville Dump, Brownsville Comment
  SBBG1013  Fritillaria recurva H. and M. Dearing 1939-5-6 3290 Yuba near Brownsville 609 Comment
  UCD139681  Fritillaria recurva Kathleen Keliher 1975-5-15 111 Yuba 10 yards above roadside of Peterson Ridge Road, 1 mile from Oregon House Road. 762 Comment
  UCD112041  Galium Christopher Mallek 2008-5-5 IC3- 2 Yuba Indiana Creek. 617 Comment
  UCD80743  Galium bolanderi CNPS SN Foothill Team 2005-5-31 SNFN 0330 d Yuba BLM, Ponderosa Landfill, near the southeast corner of the parcel (east of the defunct landfill). 685 Comment
  UCR194905  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2007-5-26 12140 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, just north of the Nevada Co. line; beside Oregon Creek and Oregon Creek campground 430 Comment
  CHSC108192  Galium divaricatum Lowell Ahart 2011-6-7 17412 Yuba On the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  JEPS62620  Galium divaricatum John Thomas Howell and Gordon H. True 1967-6-13 3572 Yuba river e Wheatland; Bear River, Camp Far West Reservoir 60 Comment
  UCD80739  Galium divaricatum CNPS SN Foothill Team 2005-6-1 SNFN 0173 c Yuba CDFG, Daugherty Hill Wildlife Area, in the 'C' shaped parcel located to the east of the Daugherty Hill unit. 623 Comment
  CHSC97200  Galium mollugo Lowell Ahart 2007-8-7 14426 Yuba Small open flat, about 200 yards south of Hampshire Creek Meadow, about 30 yards est of the dirt road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  CHSC47478  Galium parisiense Lowell Ahart 1981-6-13 2845 Yuba Along the new gravel road, on the north-east side of McGinn Hill, east of Loma Rica. 304 Comment
  SBBG121515  Galium sparsiflorum L. Ahart, L. Janeway, L. Hanson 2007-9-18 14499 Yuba Hampshire Crk Meadow, ca. 20 yards E of dirt rd, ca. 1 mi E of Clipper Mills 1015 Comment
  JEPS115066  Galium sparsiflorum subsp. glabrius Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-9-18 14499 Yuba Open meadow, about 20 yards east of the dirt road, Hampshire Creek Meadow, about 1 mile (air) east of Clipper Mills 1015 Comment
  RSA726440  Galium sparsiflorum subsp. glabrius L. Ahart, Lawrence Janeway, Linnea Hanson 2007-9-18 14499 Yuba About 1 mile (air) east of Clipper Mills. 1016 Comment
  UCD82293  Galium trifidum subsp. subbiflorum Robin McMaster 1973-6-24 504 Yuba Oregon Creek Campground. Comment
  CHSC69413  Gamochaeta argyrinea Lowell Ahart 1997-8-30 7880 Yuba On the west side of the dirt road, near a road culvert, about one mile (air) south of Woodleaf. 944 Comment
  CHSC84142  Gastridium phleoides Lowell Ahart 2003-6-29 10319 Yuba Along a wash, on the east side of Ponderosa Way, about 1 1/2 miles north of La Porte Road, about 1 mile (air) west of Brownsville. 701 Comment
  CHSC97447  Gastridium phleoides Lowell Ahart 2007-5-12 13827 Yuba Dry bare red soil, about 30 feet south of a culvert, about 50 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  CDA8341  Gastridium phleoides D. Wilson 2008-6-3 PDR# 147086 Yuba Oregon House, 9448 Rice s Texas Hill Rd. near Tehama Way. 0 Comment
  CAS-BOT-BC278716  Gastridium ventricosum Lowell Ahart 1980-6-19 2396 Yuba 3 miles south-east of Challenge 800 Comment
  JEPS104198  Gastridium ventricosum Lowell Ahart 2003-6-29 10319 Yuba Along a wash, on the e side of Ponderosa Way, ca 1 1/2 mi n of La Porte Rd, ca 1 mi (air) w of Brownsville. 701 Comment
  JEPS113755  Gastridium ventricosum Lowell Ahart 2007-5-12 13827 Yuba Dry bare red soil, about 30 feet south of a culvert, about 50 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  CHSC97119  Gaultheria ovatifolia Lowell Ahart 2007-8-7 14425 Yuba South of Hampshire Creek Meadow, graded edges of the dirt road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  JEPS113574  Gaultheria ovatifolia Lowell Ahart 2007-8-7 14425 Yuba South of Hampshire Creek Meadow, graded edges of the dirt road, about 1 mile (air) east of Clipper Mills 1021 Comment
  SJSU10225  Gaultheria ovatifolia C. W. Sharsmith 1983-6-8 8806 Yuba near Slate Cr bridge crossing of Scales & Quincy-La Porte Rds 1066 Comment
  CDA43461  Gaura drummondii E. Storm 2015-9-16 PDR# 580 P06131314 Yuba Marysville; C Street. 0 Comment
  UCD37890  Geranium dissectum Beecher Crampton 1962-4-24 6316 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  SEINET12335244  Gilia capitata F. H. Utech 1990-1 90 -862 Yuba Tahoe National Forest, Oregon Creek area, on CA 49 near junction with Middle Fork of Yuba River 500 Comment
  UCD72432  Githopsis specularioides Kathleen Keliher 1975-5-3 86 Yuba Sierra Foothill Field Station, Higher Cook Road, K 1-11 project area. 228 Comment
  CHSC97745  Glinus lotoides Lowell Ahart 2007-11-8 14582 Yuba On the strand of Camp Far West Reservoir, about 1/2 mile south of Rock Creek, about 1/8 mile north of Bear River, about 6 miles (air) northeast of Sheridan. 73 Comment
  JEPS102591  Glinus lotoides Lowell Ahart 2001-11-2 9401 Yuba Camp Far West Reservoir, about 1/4 mile NE of the dam, about 9 miles (air) SE of Wheatland. 83 Comment
  JEPS115014  Glinus lotoides Lowell Ahart 2007-11-8 14582 Yuba On the strand of Camp Far West Reservoir, about 1/2 mile south of Rock Creek, about 1/8 mile north of Bear River, about 6 miles (air) northeast of Sheridan 73 Comment
  RSA727528  Glinus lotoides L. Ahart 2007-11-8 14582 Yuba On the strand of Camp Far West Reservoir, about 1/2 mile south of Rock Creek, about 1/8 mile north of Bear River, about 6 miles (air) northeast of Sheridan. 74 Comment
  CAS-BOT-BC283886  Glyceria declinata Lowell Ahart 2007-5-12 13824 Yuba W of the culvert, about 20 yards NW of the power tower, about 50 yards N of Fruitland Road, about 13 miles (air) NE of Marysville 35 Comment
  CDA2105  Glyceria declinata J. F. Williams Mar 1984 s.n. Yuba 0 Comment
  CDA2163  Glyceria declinata L. Ahart 1999-9-17 8248 Yuba Sam Shintaffer Farm, south of Woodruff Lane, south of Mathews Road, 100 yards south of Sam Shintaffer s rice dryer, about 5 miles (air) northeast of Marysville. Comment
  CHSC76311  Glyceria declinata Lowell Ahart 1999-9-17 8248 Yuba In a rice field, Sam Shintaffer Farm, south of Woodruff Lane, south of Mathews Road, 100 yards south of Sam Shintaffer's rice dryer, about 5 miles (air) northeast of Marysville. 24 Comment
  CHSC97481  Glyceria declinata Lowell Ahart 2007-5-12 13824 Yuba In the scraped swale, about 20 yards northwest of the power tower, about 50 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 35 Comment
  UCD14575  Glyceria declinata John 'Jack' F. Williams 1984-3-1 s.n. Yuba Yuba County: Comment
  CAS-BOT-BC280560  Glyceria elata Lowell Ahart 1979-6-25 s.n. Yuba 1 mi s of Challenge 700 Comment
  UCD66834  Glyceria elata Beecher Crampton 1966-6-14 7748 Yuba 1 mile east of Brownsville. 731 Comment
  SEINET10792317  Glyceria elata Lowell Ahart 1979-6-25 Ahart s.n. Yuba 1 mi S of Challenge. Yellow Pine Forest. Growing in shallow water near a small stream. 700 Comment
  CHSC27057  Glyceria occidentalis Lowell Ahart 1978-4-2 Yuba 2 mi ne of Marysville. Found along the edges of rice levees on the Sam Shintaffer Farm. 30 Comment
  CHSC44569  Glyceria occidentalis Lowell Ahart 1978-4-14 1640 Yuba Irrigation canal, west of Kimball Lane and on the property of Shintaffer Farms Inc. 30 Comment
  SEINET10662642  Glyceria occidentalis Lowell Ahart 1999-9-17 Ahart 8248 Yuba T16N, R4E, Section not surveyed. Sam Shintaffer Farm, south of Woodruff Lane, south of Mathews Road, 100 yards south of Sam Shintaffer's rice dryer, about 5 miles (air) northeast of Marysville. 24 Comment
  CAS-BOT-BC303822  Gnaphalium John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54073 Yuba 1.4 miles SW of Bullards Bar Dam on road to Challenge 609 Comment
  RSA795344  Gnaphalium luteoalbum L. Ahart 2011-6-7 17376 Yuba West of a willow shrub, just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 air miles northeast of Marysville. 66 Comment
  CDA6022  Gnaphalium palustre L. Ahart 2002-10-9 9952 Yuba Wet area along Lost Creek, below the high water line of Sly Creek Reservoir, about 1/8 mile southwest of the Day Camp, Sly Creek Reservoir. Comment
  CHSC83035  Gnaphalium palustre Lowell Ahart 2002-10-9 9952 Yuba Along Lost Creek, below the high water line of Sly Creek Reservoir, about 1/8 mile southwest of the Day Camp, Sly Creek Reservoir. 1072 Comment
  CHSC97644  Gnaphalium palustre Lowell Ahart 2007-5-12 13769 Yuba Bottom of a scraped area, about 30 feet east of a culvert, about 50 yards north of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  JEPS103371  Gnaphalium palustre Lowell Ahart 2002-10-9 9952 Yuba Along Lost Creek, below the high water line of Sly Creek Reservoir, ca 1/8 mile SW of the Day Camp, Sly Creek Reservoir. 1072 Comment
  CHSC69459  Goodyera oblongifolia Lowell Ahart 1997-8-7 7831 Yuba ON the east side of the dirt road, on the east side of the bridge across Indian Creek, about 3 miles (air) east of Challenge. 762 Comment
  CHSC97500  Gratiola ebracteata Lowell Ahart 2007-5-14 13876 Yuba Bottom of a swale, about 100 yards southwest of the second power tower, about 300 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  UCD132545  Grindelia camporum Barbara Yungert 1974-5-31 190 Yuba along road, near fence between SC-2 and SC-5 project areas, Sierra Foothill Field Station. Comment
  CAS-BOT-BC314672  Grindelia hirsutula John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54072 Yuba 1.4 miles southwest of Bullards Bar Dam, on road to Challenge 609 Comment
  CDA14557  Grindelia hirsutula var. davyi G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3033 Yuba 1.4 miles west of New Bullards Bar Dam, between Log Cabin and Camptonville. 609 Comment
  CAS-BOT-BC282872  Hainardia cylindrica Lowell Ahart 2007-5-12 13825 Yuba Bottom of a scraped area, about 30 feet east of a culvert, about 50 yards north of teh second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marsville 28 Comment
  JEPS113630  Hainardia cylindrica Lowell Ahart 2007-5-12 13825 Yuba Bottom of a scraped area, about 30 feet east of a culvert, about 50 yards north of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  RSA726545  Hainardia cylindrica L. Ahart 2007-5-12 13825 Yuba About 13 miles (air) northeast of Marysville. 28 Comment
  CHSC110462  Hastingsia alba L. P. Janeway 2013-7-24 11187 Yuba Northern High Sierra Nevada. Plumas National Forest; meadow near headwaters of a northeastern tributary to Hampshire Creek, 1.8 km north of North Yuba River and 1.0 km east-northeast of Hampshire Creek Meadow. 1102 Comment
  CHSC115890  Hastingsia alba L. P. Janeway 2015-7-1 11792 Yuba Northern High Sierra Nevada. Plumas National Forest; Forbestown, 120 m southwest of Challenge Cut-Off Road and 0.6 km southeast of its junction with Forbestown Road.; springy area at headwaters of a northeastern tributary of New York Creek. 817 Comment
  CHSC108222  Hedypnois cretica Lowell Ahart 2011-6-7 17377 Yuba West of a willow shrub, just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  CHSC96495  Hedypnois cretica Lowell Ahart 2007-4-17 13680 Yuba Along a poor dirt road, west of a small wash, about 1/8 mile west of Marysville Road and the Parking Area, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 5 1/2 miles (air) northeast of Loma Rica. 292 Comment
  UCD147075  Hedypnois cretica Chuck Hughes 2013-4-1 360 Yuba Near eastern margin of Camp Far West Reservoir. 97 Comment
  CAS-BOT-BC306333  Hedypnois cretica Carl B. Wolf 1937-5-13 8631 Yuba Sierra Nevada Foothills, 2 mi. above Browns Valley on road to Stanfield Hill 121 Comment
  UCD132677  Hedypnois cretica Barbara Yungert 1974-5-8 133 Yuba along four wheel drive road, north side of Yuba River, F-2 project area, Sierra Foothill Field Station. Comment
  CHSC81761  Helianthus annuus Lowell Ahart 2001-11-2 9395 Yuba Camp Far West Reservoir, about 1/4 mile northeast of the dam, about 9 miles (air) southeast of Wheatland. 83 Comment
  CAS-BOT-BC309976  Hemizonia congesta subsp. luzulifolia C. B. Wolf; B. D. Stark 1933-9-25 5504 Yuba Marysville Airport, 2 mi. N. of Marysville, Sacramento Valley 22 Comment
  CAS-BOT-BC310179  Hesperevax caulescens Lowell Ahart 2007-5-12 13775 Yuba About 20 yards northeast of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  SD40672  Hesperocyparis macnabiana Carl B. Wolf, E. R. Johnson 1934-10-4 Yuba Sierra Nevada Foothills, north side of Indiana Creek, 1.7 mile west of Indiana Ranch 550 Comment
  SD40674  Hesperocyparis macnabiana Carl B. Wolf, E. R. Johnson 1934-10-3 Yuba Sierra Nevada Foothills, Texas Hill, about 2 miles west of Dobbins 550 Comment
  CHSC107429  Hesperolinon micranthum L. P. Janeway 2011-8-10 10642 Yuba Northern High Sierra Nevada. Plumas National Forest; serpentine slope on southeast side of Road 19N04 1.3 km north of Challenge-La Porte road; 2.2 air km northeast of Challenge. 1023 Comment
  JEPS95796  Heteranthera rotundifolia Lowell Ahart 1999-9-17 8241 Yuba about 5 miles (air) northeast of Marysville; ; south of Woodruff Lane; just east of Mathews Road; east of Sam Shintaffer's rice dryer; about 5 miles (air) northeast of Marysville 24 Comment
  JEPS95854  Heteranthera rotundifolia Lowell Ahart 1999-9-17 8241 Yuba about 5 miles (air) northeast of Marysville; ; south of Woodruff Lane; just east of Mathews Road; east of Sam Shintaffer's rice dryer; about 5 miles (air) northeast of Marysville 24 Comment
  CHSC113680  Heteromeles arbutifolia L. P. Janeway 2014-6-24 11419 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.1 air km east of Dobbins, 2.1 air km south-southwest of Oregon Peak, 0.2 km north of Marysville Road. 762 Comment
  JEPS94515  Heteromeles arbutifolia Lowell Ahart 1997-8-7 7823 Yuba about 3 air mi se of Challenge (on w side of dirt road near an unnamed stream, Peterson Ridge Road); Peterson Ridge Road 762 Comment
  CHSC44872  Heterotheca grandiflora Lowell Ahart 1977-8-31 1557 Yuba Near Jack Slough, on the Sam Shintaffer Farm, about 2 air miles north-east of Marysville. 27 Comment
  UC726312  Heterotheca grandiflora A. A. Heller 1924-10-25 13833 Yuba Wheatland Comment
  JEPS100371  Heuchera micrantha var. erubescens Dean W. Taylor 2001-6-6 17778 Yuba Slate Creek, at bridge of Forest Road 35 (ca. 3 air miles NE of Strawberry Valley) 1036 Comment
  CAS-BOT-BC420454  Heuchera micrantha var. erubescens Rimo Bacigalupi 1927-7-2 1586 Yuba highway to Downceville about 8 miles n.e. of Comptonville Comment
  UCD133108  Hieracium argutum J. D. Jokerst 1984-7-5 2083 Yuba south west facing slope north of the junction of North Fork Yuba River and Deadwood Creek. 701 Comment
  CAS-BOT-BC55318  Hirschfeldia incana Lowell Ahart 1974-5-1 s.n. Yuba About 5 miles east of Loma Rica. 400 Comment
  CAS-BOT-BC55319  Hirschfeldia incana Lowell Ahart 1981-6-13 2855 Yuba Near McGinn Hill, Loma Rica. 300 Comment
  CHSC115907  Hoita orbicularis L. P. Janeway 2015-6-29 11786 Yuba Northern High Sierra Nevada. Plumas National Forest; Weiss Hill Meadow, a large meadow 600 air-km east-southeast of junction of Weiss Hill Road and Forbestown Road; at the head of a minor northwestern tributary to New York Creek. 853 Comment
  CAS-BOT-BC280821  Holcus lanatus Lowell Ahart 1979-6-25 s.n. Yuba About one mile south of Challenge 700 Comment
  CAS-BOT-BC280823  Holcus lanatus Barbara T. Keller 1975-6-10 1507 Yuba Challenge Experimental Forest on La Porte Road near Challenge 762 Comment
  CHSC108309  Holcus lanatus Lowell Ahart 2011-6-7 17427 Yuba East of a willow shurb, just south of the huge gravel bar, along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  UCD84858  Holcus lanatus Beecher Crampton 1962-4-24 6297 Yuba 5 miles E of Browns Valley. Sierra Foothill Range Field Station. Comment
  UCR195152  Holcus lanatus George K. Helmkamp, E. A. Helmkamp 2007-5-26 12137 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, just north of the Nevada Co. line; beside Oregon Creek and Oregon Creek campground 430 Comment
  UCR206948  Holcus lanatus George K. Helmkamp, E. A. Helmkamp 2009-5-28 14834 B Yuba Sierra Nevada Mountains Foothills, along CA-49, 2.2 miles north of the Camptonville exit 811 Comment
  CHSC84224  Holozonia filipes Lowell Ahart 2003-7-17 10411 Yuba On the bottom of a stream, on the west side of Smartville road, about 2 miles north of the intersection of Waldo Road and Smartville Road, about 6 miles (air) south of Smartville. 129 Comment
  UC1777687  Holozonia filipes Robert E. Preston 1997-10-30 1059 Yuba 300 ft N of Doolittle Dr. Hutchinson Creek; Beale Air Force Base Comment
  UCD133257  Holozonia filipes Robert E. Preston 1997-10-30 1059 Yuba Beale Air Force Base, on lower bank and in dry channel of Hutchinson Creek, around 300 feet north of Doolittle Drive. 35 Comment
  RSA726566  Hordeum marinum subsp. gussoneanum L. Ahart 2007-5-14 13860 Yuba About 1/2 mile north of Fruitland Road, about 13.5 miles (air) northeast of Marysville. 29 Comment
  UCD85846  Hordeum marinum subsp. gussoneanum Beecher Crampton 1965-6-17 7370 Yuba Ca. 3/4 mile north of Stanfield Hill, Willow Glen Creek. Comment
  UCD86150  Hordeum murinum subsp. glaucum Beecher Crampton 1962-4-17 6172 Yuba Ca. 2 miles south of Marysville. Comment
  UCD86490  Hordeum murinum subsp. glaucum Barbara Yungert 1974-5-12 G- 12 Yuba Sierra Foothill Field Station. K 1-11 project area. Comment
  UCR257540  Hordeum murinum subsp. murinum George K. Helmkamp 2014-4-17 22758 Yuba Sierra Nevada Foothills, Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mi. due S of Smartsville 264 Comment
  CHSC84161  Horkelia californica subsp. dissita Lowell Ahart 2003-6-29 10318 Yuba Along a wash, on the east side of Ponderosa Way, about 1 1/2 miles north of La Porte Road, about 1 mile (air) west of Brownsville. 701 Comment
  CHSC11350  Horkelia tridentata subsp. flavescens Lowell Ahart 1970-4-5 Yuba Near Challenge. 914 Comment
  CHSC69151  Horkelia tridentata subsp. tridentata Lowell Ahart 1997-8-7 7833 Yuba On the north side of the dirt road, northwest of the bridge across Indian Creek, about 3 miles (air) east of Challenge. 762 Comment
  CHSC115286  Horkelia tridentata var. tridentata Lowell Ahart 2015-4-30 20126 Yuba Open forest, on the north side of the gravel road, about 30 yards east of the gate, about 3/4 mile (air) southeast of Woodleaf. 948 Comment
  JEPS121742  Horkelia tridentata var. tridentata L. P. Janeway 2014-4-15 11226 Yuba Northern High Sierra Nevada. Plumas National Forest; about halfway between Summit Hill and New Bullards Bar Reservoir (North Yuba River), near Road 18N01A close to its lower end. Comment
  CAS-BOT-BC540028  Horkelia tridentata var. tridentata Peter H. Raven 1953-5-9 5472 Yuba 1 mile from Brownville on road to Challenge Comment
  UCD35870  Hosackia pinnata Beecher Crampton 1965-6-17 7368 Yuba ca. 0.75 mile north of Stanfield Hill, Willow Glen Creek. Comment
  CDA14417  Hydrilla verticillata G. D. Barbe, Lew Davis, Jack Gianelli 1977-1-19 2236 Yuba SE corner of Lake Ellis, 9th and B streets, Marysville. 0 Comment
  CDA19014  Hydrilla verticillata E. Finley 2000-9-1 PDR 1066499 Yuba Fellowship-Renaissance Winery, 23 Reservoir, Oregon House. 0 Comment
  CDA36288  Hydrilla verticillata Keith Miller 1976-11-24 s.n. Yuba Marysville, Ellis Lake, 9th & B Streets. 0 Comment
  CDA43046  Hydrilla verticillata David Kratville 2014-9-9 s.n. Yuba Trantham property, Oregon House. 0 Comment
  UCD138152  Hydrilla verticillata Richard Yeo 1976-11-1 s.n. Yuba Marysville, Lake Ellis, 9th and B street. Comment
  CHSC113190  Hydrocotyle umbellata Lowell Ahart 2013-11-30 19309 Yuba On north side of Dry Creek, below the high water line of Collins Lake, about 300 yards north of Marysville Road, about 2 1/2 miles west of Oregon House. 354 Comment
  JEPS121312  Hydrocotyle umbellata Lowell Ahart 2013-11-30 19309 Yuba On the N side of Dry Creek, below the high water line of Collins Lake, about 300 yards N of Marysville Road, about 2.5 miles W of Oregon House. Comment
  RSA0037021  Hydrocotyle umbellata Lowell A. Ahart 2013-11-30 19309 Yuba On the north side of Dry Creek, below the high water line of Collins Lake, about 300 yards north of Marysville Road, about 2 1/2 miles west of Oregon house. 354 Comment
  CHSC116587  Hypericum anagalloides L. P. Janeway 2015-7-1 11795 Yuba Northern High Sierra Nevada. Plumas National Forest; Forbestown, 120 m southwest of Challenge Cut-Off Road and 0.6 km southeast of its junction with Forbestown Road; spring area at headwaters of a northeastern tributary of New York Creek. 817 Comment
  CHSC78149  Hypericum anagalloides Lowell Ahart 2000-6-11 8462 Yuba On the sides of a deep wash, a north branch of Dry Creek, about 100 yards west of Smartville Road, about 2 miles north of the intersection of Waldo Road and Smartville Road, about 6 miles (air) south of Smartville. 146 Comment
  CHSC84430  Hypericum anagalloides Lowell Ahart 2003-7-6 10350 Yuba In a meadow, east of the power line, about 50 yards northwest of Fountain Hill Road, about 5 miles (air) north of Dobbins. 836 Comment
  JEPS113686  Hypericum anagalloides Lowell Ahart 2007-8-7 14407 Yuba Hampshire Creek Meadow, about 30 yards east of the dirt road, about 1 mile (air) east of Clipper Mills 1021 Comment
  JEPS98696  Hypericum anagalloides Lowell Ahart 2000-6-11 8462 Yuba 6 mi (air) S of Smartville (sides of a deep wash, a N branch of Dry Creek, 2 mi N of int. of Waldo Road and Smartville Road, 100 yds W of Smartville Road) 146 Comment
  SEINET3450954  Hypericum anagalloides Unknown 2003-7-6 10350 Yuba Dobbins, Dobbins, about 5 air miles north, east of the power line, about 50 yards west of Fountain Hill Road 830 Comment
  UC1122103  Hypericum concinnum M. A. Elvin 1933-6-7 25 Yuba 4 mi. s.w. McCourtney Crossing; Smartsville Quad. Comment
  CHSC84235  Hypericum formosum var. scouleri Lowell Ahart 2003-7-6 10351 Yuba In a meadow, east of the power line, about 50 yards west of Fountain Hill Road, about 5 miles (air) north of Dobbins. 836 Comment
  CHSC84218  Hypericum perforatum Lowell Ahart 2003-7-6 10352 Yuba Near a meadow, east of the power line, about 50 yards west of Fountain Hill Road, about 5 miles (air) north of Dobbins. 836 Comment
  UCR231336  Hypericum perforatum George K. Helmkamp, E. A. Helmkamp 2011-5-6 17181 Yuba East edge of Sacramento Valley, Camp Far West Road, 0.3 mile north of the junction with Hokan Lane, vicinity of Camp Far West Reservoir 105 Comment
  CAS-BOT-BC401216  Hypericum perforatum G. Earle Kelley 1920-10-31 s.n. Yuba Los Verjils Comment
  CDA37877  Hypericum perforatum Dirks 1977-8-31 PDR# 366309 Yuba Marysville. 0 Comment
  CHSC97504  Hypochaeris glabra Lowell Ahart 2007-5-12 13770 Yuba Along the road to the power towers, about 20 yards north of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  UCD37851  Hypochaeris glabra Beecher Crampton 1962-4-24 6255 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  UCD80077  Hypochaeris glabra CNPS SN Foothill Team 2005-3-17 SNFN 0019 d Yuba CDFG Spenceville Wildlife Area. From CA Hwy 20 east, right on Smartville Rd. to Spenceville Wildlife Area, CDFG. Plot is accessible from 1st Fish and Game gate on E side of Spenceville Rd., Horsetrail (N/S), ~ 2/3 mile along horse trail, then SW between trail and Smartville Rd. 195 Comment
  CAS-BOT-BC312913  Hypochaeris glabra Gordon H. True 1963-4-17 1167 Yuba About 10 miles east of Marysville, on Marysville-Grass Valley Hwy. 30 Comment
  UCD133397  Hypochaeris glabra Barbara Yungert 1974-4-19 68 Yuba west of road, SC-14 project area, Sierra Foothill Field Station. Comment
  CHSC96978  Hypochaeris radicata Lowell Ahart 2007-8-7 14411 Yuba Hampshire Creek Meadow, about 30 yards east of the dirt road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  JEPS113576  Hypochaeris radicata Lowell Ahart 2007-8-7 14411 Yuba Hampshire Creek Meadow, about 30 yards east of the dirt road, about 1 mile (air) east of Clipper Mills 1021 Comment
  UCD110815  Iris Christopher Mallek 2008-1 s.n. Yuba Daken Flat. 675 Comment
  CAS-BOT-BC133617  Iris hartwegii Mrs. Martin Goerges 1953-6-24 s.n. Yuba Lake Vera, North Fork, Yuba River Comment
  JEPS121746  Iris hartwegii subsp. hartwegii L. P. Janeway 2014-4-24 11236 Yuba Northern High Sierra Nevada. Plumas National Forest; above the end of Road 18N01A halfway between Summit Hill and New Bullards Bar Reservoir (North Yuba River); 5.6 air-km northeast of Dobbins. Comment
  SEINET1908652  Iris hartwegii subsp. hartwegii G. K. Helmkamp, E. A. Helmkamp 2008-1 13492 Yuba Foothills, northern Sierra Nevada Mountains: Camptonville, at the junction of Henness Pass Road and CA-49. 823 Comment
  UC571183  Iris macrosiphon Herbert L. Mason 1927-5-11 3724 Yuba near Dobbins 457 Comment
  SJSU9895  Iris tenuissima J. B. Willis Jr. 1969-4-19 42 Yuba Marysville Rd, 1 mi W of Dobbins Comment
  CDA42450  Isoetes nuttallii L. Ahart 2004-4-27 10750 Yuba Along a very small drainage, about 100 yards northwest of where the drainage crosses the road, about 1/2 mile (air) southeast of Woodleaf. Comment
  CHSC63106  Isoetes nuttallii Lowell Ahart 1994-6-27 7372 Yuba About the center of Schwartz Meadow, on the east side of La Porte Road, about 4 miles north-east of Strawberry Valley. 1219 Comment
  JEPS106166  Isoetes nuttallii Lowell Ahart 2004-4-27 10750 Yuba Along a very small drainage, about 100 yards northwest of where the drainage crosses the road, about 1/2 mile (air) southeast of Woodleaf 950 Comment
  CAS-BOT-BC69896  Isoetes nuttallii Lowell Ahart 1981-3-24 2707 Yuba 6 mi. e. of Wheatland. 50 Comment
  CAS-BOT-BC69840  Isoetes orcuttii Gordon H. True; J. T. Howell 1967-6-13 3551 Yuba Ca. 5 mi. e. of Wheatland and 1 mi. n. of Bear River. 54 Comment
  CHSC97651  Isolepis cernua Lowell Ahart 2007-5-14 13883 Yuba On the bottom of a swale, about 250 yards west of the power tower, power tower is about 30 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 35 Comment
  CAS-BOT-BC112641  Isolepis setacea Lowell Ahart 1980-6-19 2394 Yuba 3 miles SE of Challenge. 800 Comment
  SD130997  Isolepis setacea Lowell Ahart 1980-6-19 2394 Yuba 3 miles southeast of Challenge 800 Comment
  UCD49884  Isolepis setacea Beecher Crampton 1966-6-14 7752 Yuba 1 mile east of Brownsville. 731 Comment
  CHSC97445  Jensia rammii Lowell Ahart 2007-5-12 13772 Yuba Dry bare red soil, bottom of a swale, about 100 yards southwest of the second power tower, about 300 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  SBBG121206  Jensia rammii L. Ahart 2007-5-12 13772 Yuba ca. 300 yards N of Fruitland Rd, ca. 13 mi NE of Marysville Comment
  UCD37135  Jensia rammii Beecher Crampton 1957-6-5 4154 Yuba 1.3 miles east of Oregon House Store. Comment
  CAS-BOT-BC101878  Juglans R. S. Ferris 1927-11-6 6943 Yuba between Brown Valley & Yuba River Comment
  UCR262433  Juglans californica var. hindsii George K. Helmkamp, E. A. Helmkamp 2009-9-5 15600 Yuba Sacramento Valley, Grasshopper Slough along CA-65, c. 1 mile NW of central Wheatland 29 Comment
  SBBG34171  Juglans hindsii M. A. Brayton 1964-5-23 43 Yuba slough area at NW end of Ellis Lake 18 Comment
  CHSC76309  Juncus acuminatus Lowell Ahart 1999-9-17 8257 Yuba Sam Shintaffer Farm, on the west side of Kimball Lane, near the intersection of Kimball Lane and Hallwood Blvd., about 3/4 mile south of Sam Shintaffer's rice dryer, about 4 1/4 miles (air) northeast of Marysville. 22 Comment
  CHSC83065  Juncus acuminatus Lowell Ahart 2002-10-9 9955 Yuba Along a small stream, below the high water line of Sly Creek Reservoir, about 1/8 mile southwest of the Day Camp, Sly Creek Reservoir. 1072 Comment
  CHSC96931  Juncus acuminatus Lowell Ahart 2007-6-22 14215 Yuba Sides of a new ditch, near a new road pad, about 350 yards west of the power tower, about 50 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  JEPS113874  Juncus acuminatus Lowell Ahart 2007-6-22 14215 Yuba Sides of a new ditch, near a new road pad, about 350 yards west of the power tower, about 50 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  JEPS66899  Juncus acuminatus W. L. Jepson 1934-7-29 16762 Yuba Smartsville Comment
  JEPS95937  Juncus acuminatus Lowell Ahart 1999-9-17 8257 Yuba Sam Shintaffer Farm; on the west side of Kimball Lane; near the intersection of Kimball Lane and Hallwood Blvd.; about 3/4 mile south of Sam Shintaffer's rice dryer; about 4 1/4 miles (air) northeast of Marysville 22 Comment
  JEPS118341  Juncus arcticus var. balticus Lowell Ahart 2011-5-30 17358 Yuba About 20 yards north of the cross fence, on the west side of the fence along Fruitland Road, about 41/2 miles (air) southwest of Loma Rica 34 Comment
  CHSC84166  Juncus articulatus Lowell Ahart 2003-7-2 10345 Yuba In a small stream, on the west side of Fountain Hill Road, about 3 miles south of Oregon Hill Road, about 1/2 mile (air) north of Fountain House Hill, about 3 miles (air) northeast of Dobbins. 841 Comment
  JEPS104264  Juncus articulatus Lowell Ahart 2003-7-2 10345 Yuba In a small stream, on the w side of Fountain Hill Rd, ca 3 mi south of Oregon Hill Rd, ca 1/2 mi (air) n of Fountain House Hill, ca 3 mi (air) ne of Dobbins. 841 Comment
  SEINET3450943  Juncus articulatus Unknown 2003-7-2 10345 Yuba Dobbins, 3 air miles northeast, 0.5 miles north of Fountain House Hill, about 3 miles south of Oregon Hill Road, on the west side of Fountain Hill Road. 840 Comment
  CHSC113184  Juncus bufonius var. bufonius Lowell Ahart 2013-11-30 19315 Yuba On the southeast side of Dry Creek, about 30 yards southeast of Willow Glen Creek, below the high water line of Collins Lake, about 30 yards north of Marysville Road, about 2 1/2 miles west of Oregon House. 356 Comment
  CHSC47531  Juncus bufonius var. bufonius Lowell Ahart 1980-8-12 2563 Yuba Debris dam across Slate Creek, west of where Gold Run Creek flows into Slate Creek, above Onion Creek, about 7 miles south of La Porte. 1158 Comment
  JEPS113861  Juncus bufonius var. bufonius Lowell Ahart 2007-5-12 13818 Yuba Bottom of a swale, about 100 yards southwest of the second power tower, about 300 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  RSA727525  Juncus bufonius var. bufonius L. Ahart 2007-5-12 13818 Yuba About 13 miles (air) northeast of Marysville. 28 Comment
  UCR231326  Juncus bufonius var. bufonius George K. Helmkamp, E. A. Helmkamp 2011-5-6 17202 Yuba East edge of Sacramento Valley, Spenceville Road, 4.2 miles northwest of Wheatland 55 Comment
  UCD147081  Juncus bufonius var. occidentalis Chuck Hughes 2013-5-2 366 Yuba Northwest margin of Camp Far West Reservoir. 97 Comment
  CHSC97505  Juncus capitatus Lowell Ahart 2007-5-12 13819 Yuba Bottom of a swale, about 100 yards southwest of the second power tower, about 300 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  CDA2698  Juncus capitatus J. T. Howell, G. H. True 1967-6-13 3574 Yuba Camp Far West Reservoir, on Bear River east of Wheatland. Comment
  RSA220008  Juncus capitatus J. T. Howell, Gordon H. True 1967-6-13 3553 Yuba ca. 5 miles E of Wheatland and 1 mile N of Bear River. 55 Comment
  CHSC47544  Juncus covillei Lowell Ahart 1980-8-12 2546 Yuba On a large gravel bar that is formed from a debris dam across Slate Creek, a little west of where Gold Run Creek flows into Slate Creek, above Onion Creek, about 7 miles south of La Porte. 1158 Comment
  CHSC96873  Juncus covillei Lowell Ahart; Lawrence Janeway, Linnea Hanson 2007-7-13 14294 Yuba On the south side of Hampshire Creek, just east of the cement dam on Hampshire Creek, east of a large wet meadow, about 100 yards east of the poor Forest Road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  JEPS113712  Juncus covillei Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-7-13 14294 Yuba On the south side of Hampshire Creek, just east of the cement dam on Hampshire Creek, east of a large wet meadow, about 100 yards east of the poor Forest Road, about 1 mile (air) east of Clipper Mills 1021 Comment
  CHSC115469  Juncus cyperoides L. P. Janeway; Emily Meigs Doe 2015-4-29 11669 Yuba Northern High Sierra Nevada. Plumas National Forest; along Oroville-Wyandotte Canal at the eastern-most end of Road 19N32; about 0.8 km east of Weiss Hill Road and Forbestown Road. 838 Comment
  JEPS113876  Juncus cyperoides Lowell Ahart 2007-8-7 14420 Yuba Along a small stream, about 100 yards northwest of the dirt road, north part of Hampshire Creek Meadow, about 1 mile (air) east of Clipper Mills 1021 Comment
  RSA794388  Juncus cyperoides P. F. Zika, Barbara L. Wilson, L. Ahart, L. P. Janeway 2011-8-5 25717 Yuba Southwest edge of Hampshire Meadow, 1 air mile east of Clipper Mills, northern Sierra Nevada Highlands. 1025 Comment
  JEPS113840  Juncus dubius Lowell Ahart 2007-8-7 14423 Yuba In shallow water, open meadow, on the southeast part of Hampshire Creek Meadow, about 50 yards east of the dirt road, about 1 mile (air) east of Clipper Mills 1021 Comment
  SEINET3450944  Juncus dubius Unknown 2003-7-2 10346 Yuba Dobbins, Dobbins, about 3 air miles northeast, about 0.5 miles north of Fountain Hill Road, about 3 miles south of Oregon Hill Road, west side of Fountain Hill road 840 Comment
  UCD80385  Juncus effusus CNPS SN Foothill Team 2005-7-5 SNNR 0473 a Yuba CDFG Daugherty Hill Wildlife Area. 280 Comment
  CHSC106633  Juncus effusus subsp. effusus Peter F. Zika 2010-6-22 24976 Yuba Northern Sierra Nevada Foothills (n SNF); Spring Valley Road NE of Browns Valley Ridge. 90 Comment
  CHSC96879  Juncus effusus subsp. pacificus Lowell Ahart; Lawrence Janeway, Linnea Hanson 2007-7-13 14300 Yuba About 30 yards east of a poor dirt road, about 1 1/2 miles (air) northeast of Clipper Mills. 1045 Comment
  CHSC96966  Juncus effusus subsp. pacificus Lowell Ahart; Lawrence Janeway, Linnea Hanson 2007-7-13 14301 Yuba About 30 yards east of a poor dirt road, about 1 1/2 miles (air) northeast of Clipper Mills. 1045 Comment
  JEPS104258  Juncus effusus subsp. pacificus Lowell Ahart 2003-7-2 10347 Yuba In a small stream, on the w side of Fountain Hill Rd, ca 3 mi south of Oregon Hill Rd, ca 1/2 mi (air) n of Fountain House Hill, ca 3 mi (air) ne of Dobbins. 841 Comment
  JEPS113769  Juncus effusus subsp. pacificus Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-7-13 14301 Yuba About 30 yards east of a poor dirt road, about 1 1/2 miles (air) northeast of Clipper Mills 1045 Comment
  JEPS113846  Juncus effusus subsp. pacificus Lowell Ahart 2007-8-7 14406 Yuba Hampshire Creek Meadow, about 80 yards west of the dirt road, about 1 mile (air) east of Clipper Mills 1021 Comment
  SEINET3450942  Juncus effusus var. exiguus Unknown 2003-7-2 10347 Yuba Dobbins, Dobbins, about 3 air miles northeast, about 0.5 miles north of Fountain Hill Road, about 3 miles south of Oregon Hill Road, west side of Fountain Hill road 840 Comment
  CHSC69458  Juncus ensifolius Lowell Ahart 1997-8-30 7878 Yuba On the west side of the dirt road, near a road culvert, about one mile (air) south of Woodleaf. 944 Comment
  JEPS94353  Juncus ensifolius Lowell Ahart 1997-8-30 7878 Yuba about 1 air mi s of Woodleaf (on w side of the dirt road, near a road culvert) 944 Comment
  CHSC47548  Juncus exiguus Lowell Ahart 1981-6-13 2857 Yuba On the bottom of a small stream, about 1/2 mile west of McGinn Hill, east of Loma Rica. 274 Comment
  UCD141542  Juncus hemiendytus L. Ahart 1980-5-25 2352 Yuba on the north side of New York Flat Road, west of the Cemetery, north of Brownsville. 731 Comment
  CHSC30018  Juncus hemiendytus var. hemiendytus L. Ahart 1980-5-25 2352 Yuba Along the edge of the road, along New York Flat Rd, near the Cemetary, near Brownsville. 800 Comment
  CHSC84239  Juncus howellii Lowell Ahart 2003-7-6 10364 Yuba In a meadow, east of the power line, about 60 yards northwest of Fountain Hill Road, about 5 miles (air) north of Dobbins. 836 Comment
  RSA727523  Juncus laccatus L. Ahart 2007-8-7 14414 Yuba About 1 mile (air) east of Clipper Mills. 1021 Comment
  CHSC84399  Juncus occidentalis Lowell Ahart 2003-7-6 10365 Yuba Near a meadow, east of the power line, about 30 yards west of Fountain Hill Road, about 5 miles (air) north of Dobbins. 836 Comment
  JEPS104245  Juncus occidentalis Lowell Ahart 2003-7-6 10365 Yuba Near a meadow, e of the power line, ca 30 yd w of Fountain Hill Rd, ca 5 mi (air) n of Dobbins. 836 Comment
  UCD81507  Juncus occidentalis Christopher Michael Bronny 2009-4-1 18 Yuba Oat Hills' area of Sierra Nevada foothills. 114 Comment
  CHSC116211  Juncus orthophyllus Lowell Ahart 2015-6-16 20245 Yuba Near the water ditch, about 100 yards south of the poor dirt road, about 3/4 mile southeast of the intersection of Weiss Road and Forbestown Road, about 2 miles (air) southwest of Forbestown. 829 Comment
  CHSC63198  Juncus orthophyllus Lowell Ahart 1994-6-27 7378 Yuba Near the northeast side of Schwartz Meadow, on the east side of La Porte Road, about 4 miles northeast of Strawberry Valley. 1219 Comment
  CHSC78332  Juncus orthophyllus Lowell Ahart 2000-6-23 8504 Yuba On the west side of a dirt road, about 100 yards east of the meadow along La Porte Road, about 100 yards north of Scales Road, about 3 miles northeast of Strawberry Valley. 1219 Comment
  JEPS124412  Juncus orthophyllus Lowell Ahart 2015-6-16 20245 Yuba About 3/4 mile southeast of the intersection of Weiss Road and Forbestown Road, about 2 miles (air) southwest of Forbestown. Comment
  JEPS98336  Juncus orthophyllus Lowell Ahart 2000-6-23 8504 A Yuba 3 mi NE of Strawberry Valley (bog in a small meadow, 200 yds E of the meadow along La Porte Road, 50 yds N of Scales Road) 1219 Comment
  CHSC112956  Juncus oxymeris L. P. Janeway 2014-6-26 11423 Yuba Northern High Sierra Nevada. Plumas National Forest; small ephemeral meadow on a flattish bench at head of ephemeral northeastern tributary to Little Oregon Creek; 1.9 air km south-southeast of Pike County Peak; 0.24 km northeast of Oregon Hill Road, 0.15 km south of Peterson Ridge Road. 852 Comment
  CHSC83032  Juncus tenuis Lowell Ahart 2002-10-9 9951 Yuba Area east of a spring, below the high water line of Sly Creek Reservoir, about 1/8 mile southwest of the Day Camp, Sly Creek Reservoir. 1072 Comment
  RSA727522  Juncus tenuis L. Ahart 2007-8-7 14428 Yuba About 1 mile (air) east of Clipper Mills. 1021 Comment
  UCD37136  Juncus tenuis Beecher Crampton 1957-6-5 4158 Yuba 1.3 miles east of Oregon House Store. Comment
  SBBG121294  Juncus tenuis L. Ahart 2007-8-7 14428 Yuba S of Hampshire Crk Meadow, ca. 1 mi E of Clipper Mills 1021 Comment
  CHSC97138  Juncus usitatus Lowell Ahart 2007-6-30 14234 Yuba Near and west of new road pad, about 350 yards west of the power tower, about 100 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  CHSC47579  Juncus xiphioides Lowell Ahart 1979-6-25 1954 Yuba Along the gutter of Peterson Ridge Road, about 2 miles east of Challenge. 640 Comment
  POM195081  Keckiella breviflora subsp. glabrisepala D. D. Keck 1930-7-25 984 Yuba Bullards Bar Reservoir. 457 Comment
  UCR194903  Keckiella breviflora subsp. glabrisepala George K. Helmkamp, E. A. Helmkamp 2007-5-26 12141 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, just north of the Nevada Co. line; beside Oregon Creek and Oregon Creek campground 430 Comment
  CAS-BOT-BC235667  Keckiella breviflora var. glabrisepala David D. Keck 1930-7-25 984 Yuba Bullards Bar Reservoir 450 Comment
  UC2016501  Keckiella lemmonii Richard Olmstead 1986-6-14 845 Yuba Entrance to the Oregon Creek Picnic Ground. Jct of Oregon Cr. with middle fork Yuba River. Comment
  UCD80884  Kickxia elatine Robert E. Preston 2007-9-21 2577 Yuba 3.5 mi S of Olivehurst, at jct Plumas-Arboga Rd. and Old Marysville Rd. 14 Comment
  CDA20191  Kyllinga brevifolia E. Storm 2003-7-21 PDR 1408233 Yuba Sacramento Valley; Vickie Dr in Marysville. 0 Comment
  CAS-BOT-BC340441  Lactuca saligna J. T. Howell; Gordon H. True 1969-6-24 5094 Yuba Vineyard Creek ca. 4 miles south of Smartville on Beale AFB Rd. 152 Comment
  JEPS122455  Lactuca serriola L. P. Janeway 2014-11-6 11581 Yuba Northern High Sierra Nevada. Plumas National Forest; along Oregon Hill Road 0.5 km northeast of Road 18N11; 0.9 air-km north-west of Summit Hill; slope above Burnt Bridge Creek. Quad: Challenge 7.5'. Comment
  UCR201939  Lactuca serriola George K. Helmkamp, E. A. Helmkamp 2008-10-6 14202 Yuba Sacramento Valley, junction of CA-65 and Ostrom No. 3 Road, southeast of Olivehurst 24 Comment
  CHSC112370  Lactuca virosa L. P. Janeway 2014-6-25 11420 Yuba Northern High Sierra Nevada. Plumas National Forest; Along Oregon Hill Road 0.5 km northeast of Road 18N11; 0.9 air-km northwest of Summit Hill; slope above Burnt Bridge Creek. 792 Comment
  CHSC112372  Lactuca virosa L. P. Janeway 2014-6-25 11420 Yuba Northern High Sierra Nevada. Plumas National Forest; Along Oregon Hill Road 0.5 km northeast of Road 18N11; 0.9 air-km northwest of Summit Hill; slope above Burnt Bridge Creek. 792 Comment
  CHSC112859  Lactuca virosa L. P. Janeway 2014-6-26 11425 Yuba Northern High Sierra Nevada. Plumas National Forest; above the end of Road 18N01A halfway between Summit Hill and New Bullards Bar Reservoir (North Yuba River); 5.6 air-km northeast of Dobbins. 850 Comment
  JEPS121747  Lactuca virosa L. P. Janeway 2014-6-26 11425 Yuba Northern High Sierra Nevada. Plumas National Forest; above the end of road 18N01A halfway between Summit Hill and New Bullards Bar Reservoir (North Yuba River); 5.6 air-km northeast of Dobbins. Comment
  JEPS121797  Lactuca virosa L. P. Janeway 2014-6-25 11420 Yuba Northern High Sierra Nevada. Plumas National Forest; Along Oregon Hill Road 0.5 km northeast of Road 18N11; 0.9 air-km northwest of summit Hill; slope above Burnt Bridge Creek. Comment
  JEPS121799  Lactuca virosa L. P. Janeway 2014-6-25 11420 Yuba Northern High Sierra Nevada. Plumas National Forest; Along Oregon Hill Road 0.5 km northeast of Road 18N11; 0.9 air-km northwest of summit Hill; slope above Burnt Bridge Creek. Comment
  UCD77791  Lagophylla glandulosa Robert E. Preston 1997-10-29 1058 Yuba Beale Air Force Base, east of Golf Course 39 Comment
  CAS-BOT-BC341288  Lagophylla glandulosa John Thomas Howell; Gordon H. True 1969-6-24 5090 Yuba Vineyard Creek, about 4 miles south of Smartville, on the Beale AFB Road 152 Comment
  CAS-BOT-BC341289  Lagophylla glandulosa Alice Eastwood 1921-5-22 10533 Yuba Los Vergils Comment
  CAS-BOT-BC341290  Lagophylla glandulosa Junea Kelley 1920-10-31 s.n. Yuba Los Vergels [Vergils] Comment
  UCD133615  Lagophylla glandulosa C. A. Raguse 1974-10-26 s.n. Yuba Sierra Foothill Range Field Station. Comment
  UCD125090  Lamium amplexicaule Kathleen Keliher 1975-5-15 109 Yuba Across from mountain view property, Cleaveland Road, 3 miles east of Camptonville. 914 Comment
  SEINET7042637  Lasthenia californica A. G. Vestal 1963-5-7 s.n. Yuba 5.2 miles southwest of Bangor. Loma Rica quadrangle UTM Zone 10, 632125mE, 4355120mN. Comment
  UCD133692  Lasthenia californica subsp. californica Barbara Yungert 1974-4-16 55 Yuba southern slope; along road 6, K 1-11 project area, Sierra Foothill Field Station. Comment
  UC665557  Lasthenia fremontii Annetta Carter 1940-4-21 1528 Yuba 4.3 mi se Marysville (on road to Spenceville); Sacramento Valley 30 Comment
  UCSC008611  Lasthenia fremontii Lowell Ahart 2007-5-12 13771 Yuba About 30 feet east of a culvert, about 50 yards north of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  SEINET10859144  Lasthenia fremontii Annetta M. Carter 1940-4-21 Carter 1528 Yuba Edge of drying vernal pool 4.3 miles southeast of Marysville on road to Spenceville. 30 Comment
  SEINET7042616  Lasthenia fremontii A. G. Vestal 1963-5-7 s.n. Yuba Ca 3.5 miles north of Wheatland. Wheatland quadrangle UTM Zone 10, 636544mE, 4323933mN. Comment
  UC718224  Lasthenia glaberrima Carl B. Wolf 1937-5-18 8735 Yuba 2 mi s Marysville; Sacramento Valley 18 Comment
  RSA21665  Lasthenia glaberrima C. B. Wolf 1937-5-18 8735 Yuba SacramenoValley, 2 mi S of Marysville. 18 Comment
  UCR169010  Lasthenia gracilis David Charlton 2005-5-16 8009 Yuba Sacramento Valley, Yuba Gold Field; just south of Yuba River; c. 7.5 mi ENE of Marysville; N of Beale Air Force Base; Survey area c. 2 miles by 1 mile 46 Comment
  CHSC78145  Lathyrus hirsutus Lowell Ahart 2000-5-25 8394 Yuba On dry soil of open pasture field, near a north branch of Dry Creek, about 100 yards west of Smartville Road, about 2 miles north of the intersection of Waldo Road and Smartville Road, about 6 miles (air) south of Smartville. 146 Comment
  CDA4179  Lathyrus hirsutus L. Ahart 2000-5-25 8394 Yuba Near a north branch of Dry Creek, about 100 yards west of Smartville Road, about 2 miles north of the intersection of Waldo Road and Smartville Road, about 6 miles (air) south of Smartville. Comment
  UCD106387  Lathyrus nevadensis Kathleen Keliher 1975-5-15 112 Yuba Along Peterson Road, 1 mile from Oregon House Road. Comment
  CAS-BOT-BC213282  Lathyrus sulphureus Lowell Ahart 1979-6-3 s.n. Yuba 1 mi S of Challenge 700 Comment
  RSA21291  Lathyrus sulphureus Carl B. Wolf 1937-5-13 8636 Yuba Sierra Nevada Foothills, 2.7 miles below Stanfield Hill on road to Browns Valley 183 Comment
  UCD106457  Lathyrus sulphureus W. R. Powell 1967-6-13 1457 Yuba 1 1/2 miles northeast of Challenge. Comment
  CAS-BOT-BC321752  Layia fremontii Bruce G. Baldwin 1988-3-21 687 Yuba 3.3 miles W of junction with County Rd E21 (road to Collins Lake, Bullards Bar Reservoir) along Calif. State Hwy 20. Comment
  JEPS98933  Layia fremontii Bruce G. Baldwin 1988-3-21 687 Yuba 3.3 mi W of jct with County Road E21 (road to Collins Lake, Bullards Bar Reservoir) along Hwy 20 Comment
  SEINET7042633  Layia fremontii A. G. Vestal 1963-5-7 s.n. Yuba 5.2 miles southwest of Bangor. Loma Rica quadrangle UTM Zone 10, 632125mE, 4355120mN. Comment
  JEPS124300  Leersia oryzoides Lowell Ahart 2015-11-19 20682 Yuba West side of Lake Francis, about 1 1/2 miles south of Dobbins. Comment
  CDA32426  Leersia oryzoides L. Ahart 1999-9-17 8239 Yuba South of Woodruff Lane, just east of Mathews Road, east of Sam Shintaffer s rice dryer, about 5 miles (air) northeast of Marysville. Comment
  SEINET13710836  Leersia oryzoides Lowell William Ahart, Lowell William Ahart 1999-1 8239 Yuba 5 Mi NE of Marysville Comment
  CHSC84352  Lemna minuta Lowell Ahart 2003-9-22 10615 Yuba In a rice field, Shintaffer Farms, in the rice field east of the canal and the large Shintaffer Farms rice dryer, about 300 yards south of Woodruff lake, about 3 miles (air) northeast of Marysville. 40 Comment
  JEPS121301  Leontodon saxatilis Lowell Ahart 2013-11-30 19304 Yuba On the SW side of a deep wash (Willow Glen Creek), NW of Dry Creek, below the high water line of Collins Lake, about 100 yards N of Marysville Road, about 2.5 miles W of Oregon House. Comment
  CHSC107128  Leontodon saxatilis subsp. longirostris L. P. Janeway 2011-6-2 10356 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. 750 Comment
  CHSC108190  Leontodon saxatilis subsp. longirostris Lowell Ahart 2011-6-7 17379 Yuba West of a willow shrub, just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  CHSC96482  Leontodon saxatilis subsp. longirostris Lowell Ahart 2007-4-17 13681 Yuba Along a poor dirt road, west of a small wash, about 1/8 mile west of Marysville Road and the Parking Area, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 5 1/2 miles (air) northeast of Loma Rica. 292 Comment
  CHSC97496  Leontodon saxatilis subsp. longirostris Lowell Ahart 2007-5-14 13874 Yuba About 20 yards northeast of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  CHSC97691  Leontodon saxatilis subsp. longirostris Lowell Ahart 2007-11-1 14532 Yuba On the south side of Willow Creek, above the high water line of Bullards Bar Reservoir, about 1 mile northwest of Old Camptonville Road, about 1 1/2 miles (air) west of Camptonville. 627 Comment
  JEPS115028  Leontodon saxatilis subsp. longirostris Lowell Ahart 2007-11-1 14532 Yuba On the south side of Willow Creek, above the high water line of Bullards Bar Reservoir, about 1 mile northwest of Old Camptonville Road, about 1 1/2 miles (air) west of Camptonville 627 Comment
  CAS-BOT-BC339138  Leontodon saxatilis subsp. saxatilis Lowell Ahart 1979-6-3 s.n. Yuba 1 mi s of Challenge 700 Comment
  UCR206944  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2009-5-28 14822 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.5 mile north of the Camptonville exit 805 Comment
  CDA42843  Leontodon taraxacoides subsp. longirostris L. Ahart 2011-6-7 17379 Yuba West of a willow shrub, just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. Comment
  RSA726962  Leontodon taraxacoides subsp. longirostris L. Ahart 2007-5-14 13874 Yuba About 13 miles (air) northeast of Marysville. 28 Comment
  CHSC113649  Lepechinia calycina L. P. Janeway 2014-5-12 11253 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.1 air km east of Dobbins, 2.1 air km south-southeast of Oregon Peak, 0.2 km northeast of Marysville Road. 762 Comment
  CHSC76272  Lepidium didymum Lowell Ahart 1999-9-17 8250 Yuba On the edge of a dirt road, Sam Shintaffer Farm, south of Woodruff Lane, south of Mathews Road, about 1/4 mile south of Sam Shintaffer's rice dryer, about 4 1/2 miles (air) northeast of Marysville. 24 Comment
  UCD115459  Lepidium draba Michael A. Vincent 1999-6-12 8637 Yuba Along canal parallel to Rt. 20 at junction with Feather River Boulevard, 0.4 mile north of Sutter county line, Marysville. Comment
  CHSC3319  Lepidium nitidum M. Gregg 1966-3-13 40 Yuba Northeast of Marysville, on the Slaughter House Rd. 1/4 mile from the levee. Comment
  CHSC90339  Lepidium nitidum var. nitidum Lowell Ahart 2005-3-11 11604 Yuba In the middle of the poor dirt road, west of a large rock outcrop, about 1/2 mile west of Marysville Road, about 1/2 mile north of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 1/2 mile north of Loma Rica Road, about 5 miles (air) northeast of Loma Rica. 386 Comment
  JEPS107348  Lepidium nitidum var. nitidum Lowell Ahart 2005-3-11 11604 Yuba In middle of the poor dirt road, W of large rock outcrop, ca. 1/2 mi W of Marysville Rd, ca. 1/2 mi N of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, ca. 1/2 mi N of Loma Rica Rd, ca. 5 mi (air) NE of Loma Rica 386 Comment
  CDA25061  Lepidium strictum D. L. Wilson 1976-4-5 Yuba City Park, Yuba Street, Marysville. 0 Comment
  CAS-BOT-BC273946  Leptochloa fusca subsp. fascicularis Lowell Ahart 1977-8-31 1536 Yuba 2 miles north-east of Marysville 30 Comment
  CHSC97242  Leptochloa fusca subsp. fascicularis Lowell Ahart 2007-6-22 14218 Yuba Bottom of a new ditch, near a new road pad, about 350 yards west of the power tower, about 13 miles (air) northeast of Marysville. 28 Comment
  UCD37865  Leptosiphon bicolor Beecher Crampton 1962-4-24 6280 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  UCD118637  Leptosiphon bicolor Barbara Yungert 1974-4-16 43 Yuba Sierra Foothill Field Station. Comment
  RSA21298  Leptosiphon filipes C. B. Wolf 1937-5-13 8643 Yuba Sierra Nevada Foothills, 1 2/10 mi. below Stanfield hill on road to Browns Valley. 274 Comment
  CHSC45456  Leptosiphon harknessii Lowell Ahart 1980-8-12 2568 Yuba On a gravel bar, a little below where Gold Run Creek flows into Slate Creek, above Onion Creek, about 7 miles south of La Porte. 1158 Comment
  CHSC63155  Leptosiphon harknessii Lowell Ahart 1994-6-27 7379 Yuba Near the east side of Schwartz Meadow, on the east side of La Porte Road, about 4 miles north-east of Strawberry Valley. 1219 Comment
  UCD112035  Lessingia Christopher Mallek 2008-5-5 IC3- 17 Yuba Indiana Creek. 617 Comment
  CDA8198  Lessingia nemaclada L. Ahart 2002-10-1 9979 Yuba On the east side of the dirt road, east of the upper part of Englebright Reservoir on the Yuba River, along Rice s Crossing Road, about 2 miles (air) north of Bridgeport, about 18 miles north of Highway 20. Comment
  CHSC83071  Lessingia nemaclada Lowell Ahart 2002-10-10 9979 Yuba On the east side of the dirt road, east of the upper part of Englebright Reservoir on the Yuba River, along Rice's Crossing Road, about 2 miles (air) north of Bridgeport, about 18 miles north of Highway 20. 166 Comment
  SEINET11263974  Lessingia nemaclada Lowell Ahart 2002-10-10 9979 Yuba On the east side of the dirt road, east of the upper part of Engelbright Reservoir on the Yuba River, along Rice's Crossing Road, about 2 miles (air) north of Bridgeport, about 18 miles north of Highway 20.; 0 166 Comment
  SEINET11448039 Image available Lessingia virgata B. Crampton 1974-10-11 9094 Yuba 3 miles southwest of Brown's Valley along Hwy 20 46 Comment
  UC1069831  Lessingia virgata M. A. Elvin 1933-6-7 24 Yuba 4 mi sw McCourtney Crossing; Smartsville Quadrangle Comment
  UC1287451  Lessingia virgata Willard Spence 1962-7-25 732 Yuba Rt. 20 10 mi ne Marysville (on road to Grass Valley) Comment
  UCD33715  Lessingia virgata Beecher Crampton 1972-6-20 8816 Yuba ca. 3 miles S.W. of Brown's Valley. Comment
  UCR118921  Lessingia virgata Beecher Crampton 1974-10-11 9094 Yuba Sacramento Valley, 3 miles southwest of Brown's Valley along Hwy 20 46 Comment
  CAS-BOT-BC342057  Lessingia virgata Beecher Crampton 1974-10-11 9094 Yuba 3 miles S.W. of Brown's Valley along Hwy. 20 Comment
  CHSC110968  Leucanthemum vulgare L. P. Janeway 2013-8-29 11199 Yuba Northern High Sierra Nevada. Plumas National Forest; shady logging-landing-flat along little-used dirt road (20N03) along west side of Rose Ranch. 1314 Comment
  CAS-BOT-BC272210  Leymus triticoides Lowell Ahart 1978-9-24 s.n. Yuba Near South Honcut Creek, near the bridge across South Honcut Creek about 3 mi. se of Honcut 45 Comment
  CAS-BOT-BC130527  Lilium Volney Rattan s.n. Yuba Little Fellow Comment
  CAS-BOT-BC130624  Lilium humboldtii Rimo Bacigalupi 1927-7-2 1583 Yuba 1 mile west of Camptonville Comment
  UC1134613  Lilium humboldtii M. A. Elvin 1933-7-14 49 Yuba 2 mi w Dobbin; Smartsville Quad. 762 Comment
  RSA130323  Lilium humboldtii subsp. humboldtii Albert M. Vollmer 1949-7-6 s.n. Yuba 1 mile from Challenge on Chllenge-Camptonville Road Comment
  UCD37879  Limnanthes alba Beecher Crampton 1962-4-24 6303 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  CHSC97448  Limnanthes alba subsp. alba Lowell Ahart 2007-5-14 13866 Yuba Damp bare red soil, bottom of a swale, about 100 yards southwest of the second power tower, about 300 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  RSA726963  Limnanthes alba subsp. alba L. Ahart 2007-5-14 13866 Yuba About 13 miles (air) northeast of Marysville. 28 Comment
  UC794374  Limnanthes alba subsp. alba Lincoln Constance 1949-4-29 3280 Yuba 2 mi w Dobbins; Oregon House 457 Comment
  UC971813  Limnanthes douglasii subsp. rosea Annetta Carter 1942-5-3 1672 Yuba field s Marysville Comment
  SJSU10807  Limnanthes douglasii subsp. rosea J. B. Willis Jr. 1969-4-19 46 Yuba 5 mi E of Linda Comment
  CDA6278  Limnophila X ludoviciana L. Ahart 1977-9-25 Yuba Sam Shintaffer Farms property 2.1 miles northeast of Jack Slough Road on Kimball Lane, 5 miles northeast of Marysville. 0 Comment
  CDA6279  Limnophila X ludoviciana L. Ahart 1977-9-25 Yuba Sam Shintaffer Farm, 2 miles northeast of Marysville. 0 Comment
  CHSC43512  Limosella acaulis Lowell Ahart 1977-9-25 1592 Yuba On Shintaffer Farms, about 2 miles north-east of Marysville. 32 Comment
  SEINET13710968  Limosella aquatica Lowell William Ahart, Lowell William Ahart 1999-1 8247 Yuba 5 Mi. NE Marysville, 80 Ft 24 Comment
  UC718540  Linanthus filipes Carl B. Wolf 1937-5-13 Yuba 1.2 mi below Stanfield Hill (on road to Browns Valley); Sierra Nevada Foothills 274 Comment
  CHSC116035  Lindernia dubia var. anagallidea Lowell Ahart 2015-11-19 20681 Yuba 100 yards or more north of the spillway area, below the high water line, west side of Lake Francis, about 1-1/2 miles south of Dobbins. 512 Comment
  CHSC69433  Lindernia dubia var. anagallidea Lowell Ahart 1997-8-13 7860 Yuba On the south side of Scott Forbes Road, 1/4 mile east of the intersection of Scott Forbes Road and Peoria Road, just east of Gray Drive, about 2 1/4 miles (air) east of Browns Valley. 91 Comment
  JEPS124261  Lindernia dubia var. anagallidea Lowell Ahart 2015-11-19 20681 Yuba West side of Lake Francis, about 1 1/2 miles south of Dobbins. Comment
  JEPS94975  Lindernia dubia var. anagallidea Lowell Ahart 1997-8-13 7860 Yuba ca. 2.25 mi. (air) e. Borwn's Valley (on s. side of Scott Forbes Rd., 0.25 mi. e. of intersection of Scott Forbes Rd. & Peoria Rd., just e. of Gray Dr.) Comment
  CHSC110337  Linnaea borealis var. longiflora L. P. Janeway 2013-6-20 11147 Yuba Northern High Sierra Nevada. Plumas National Forest; along the narrow overgrown PG and E powerline corridor 1.0 km east of Sly Creek Dam, 0.2 km south of the Sly Creek arm of Sly Creek Reservoir. 1106 Comment
  CHSC117656  Linnaea borealis var. longiflora 2016-9-9 Yuba On the east side of road, after crossing Slate Creek on Old County Road to Scales, take first road to the right and go about 1/2 mile, near Stowman Ravine, about 3 miles (air) southwest of Poverty Hill Mine, about 8 miles (air) southwest of La Porte. 1214 Comment
  RSA0012080  Linum bienne George K. Helmkamp, E. A. Helmkamp 2011-5-6 17208 Yuba junction of Camp Far West Road and Spenceville Road, 5.4 mi. NE (47 deg ) of Wheatland. 56 Comment
  CAS-BOT-BC36024  Lithocarpus densiflorus var. densiflorus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54076 Yuba About 2 miles northeast of Dobbins on Oregon Hill Road 701 Comment
  CAS-BOT-BC36025  Lithocarpus densiflorus var. densiflorus Alice Eastwood 1918-4-7 6808 Yuba Camptonville Comment
  SEINET9330134  Lithocarpus densiflorus var. densiflorus Unknown 1981-6-22 3039 Yuba Oregon Hill Road, 0.1 mi N of Marysville Road, SW of Bullards Bar Dam. J.T. Howell #54076. Comment
  CAS-BOT-BC36548  Lithocarpus densiflorus var. echinoides John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54086 Yuba 3.6 miles northeast of Strawberry Valley on La Porte-Quincy road 1280 Comment
  RSA716504  Lithophragma bolanderi L. Ahart 2005-3-11 11612 Yuba About 0.5 mile W of Marysville Rd. About 0.5 mile N of Parking Area 3. Daugherty Hill Wildlife Area. Donovan Hill Managment Area. About 0.5 mile N of Loma Rica Rd. About 5 miles (air) NE of Loma Rica. 395 Comment
  CAS-BOT-BC430984  Lithophragma bolanderi Alice Eastwood 1921-5-22 10563 Yuba Los Vergils Comment
  CHSC46758  Lithospermum californicum Lowell Ahart 1980-6-19 2410 Yuba Along the edge of the dirt road, about 4 miles east of Challenge. 822 Comment
  JEPS113634  Logfia gallica Lowell Ahart 2007-5-12 13768 Yuba Along the road to the power towers, about 20 yards north of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  CAS-BOT-BC342375  Logfia gallica Alice Eastwood 1921-5-22 10534 Yuba Los Vergils Comment
  CHSC97678  Lolium multiflorum Lowell Ahart 2007-5-14 13854 Yuba Bottom of swales and vernal pools, about 30 yards east of the third power tower, about 1/2 mile north of Fruitland Road, about 13 1/2 miles (air) northeast of Marysville. 29 Comment
  JEPS113721  Lolium multiflorum Lowell Ahart 2007-5-14 13854 Yuba Bottom of swales and vernal pools, about 30 yards east of the third power tower, about 1/2 mile north of Fruitland Road, about 13 1/2 miles (air) northeast of Marysville 29 Comment
  UCD66188  Lolium multiflorum Barbara Yungert 1974-5-1 G- 3 Yuba West of road near SC-12 fence line, SC-14 project area, Sierra Foothill Field Station. Comment
  UCD112039  Lomatium marginatum Christopher Mallek 2008-5-5 IC3- 12 Yuba Indiana Creek. 617 Comment
  SEINET7042410  Lomatium utriculatum A. G. Vestal 1963-5-30 s.n. Yuba Road west to Forbestown. Ca 1.5 miles east of Forbestown and 2.6 miles west of Brownsville. Rackerby quadrangle UTM Zone 10, 648106mE, 4372559mN. Comment
  UCD137351  Lonicera interrupta Barbara Yungert 1974-5-23 180 Yuba west of road, SC-14 project area, Sierra Foothill Field Station. Comment
  JEPS120537  Lonicera involucrata L. P. Janeway, Tim Hanson 2013-4-25 11093 Yuba Northern High Sierra Nevada. Plumas National Forest; 50 m east of Oregon Hill Raod between Burnt Bridge Creek and Little Oregon Creek. Comment
  CHSC110340  Lonicera involucrata var. involucrata L. P. Janeway; Tim Hanson 2013-4-25 11093 Yuba Northern High Sierra Nevada. Plumas National Forest; 50 m east of Oregon Hill Road between Burnt Bridge Creek and Little Oregon Creek. 640 Comment
  CHSC108227  Lotus argophyllus var. fremontii Lowell Ahart 2011-6-7 17391 Yuba On the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  JEPS113453  Lotus corniculatus Lowell Ahart 2007-6-22 14212 Yuba About 250 yards west of the power tower, about 100 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 29 Comment
  UCD106713  Lotus corniculatus Collector unknown 1942-5-22 s.n. Yuba location unknown. Comment
  UCD106737  Lotus corniculatus Barbara Yungert 1974-5-1 98 Yuba North of Scott Lane, west of barns, opposite SC-5 project area, Sierra Foothill Field Station. Comment
  JEPS91404  Lotus grandiflorus var. macranthus Glenn Clifton 1992-5-10 26268 Yuba Chute Ravine 762 Comment
  UCR194900  Lotus humistratus George K. Helmkamp, E. A. Helmkamp 2007-5-26 12138 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, just north of the Nevada Co. line; beside Oregon Creek and Oregon Creek campground 430 Comment
  UCR169020  Lotus micranthus David Charlton 2005-5-16 8010 Yuba Sacramento Valley, Yuba Gold Field; just south of Yuba River; c. 7.5 mi ENE of Marysville; N of Beale Air Force Base; Survey area c. 2 miles by 1 mile 46 Comment
  UCR206947  Lotus uliginosus George K. Helmkamp, E. A. Helmkamp 2009-5-28 14833 Yuba Sierra Nevada Mountains Foothills, along CA-49, 2.2 miles north of the Camptonville exit 811 Comment
  UC144152  Lotus wrangelianus A. A. Heller 1905-3-21 7554 Yuba Marysville Comment
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Apr 27 2016
  SEINET7042627  Lotus wrangelianus A. G. Vestal 1963-5-7 s.n. Yuba Ca. 3.5 miles north of Wheatland. Camp Far West quadrangle UTM Zone 10, 640908mE, 4323324mN. Comment
  CHSC116313  Ludwigia palustris Lowell Ahart 2015-11-19 20672 Yuba 100 yards or more north of the spillway area, below the high water line, west side of Lake Francis, about 1 1/2 miles south of Dobbins. 512 Comment
  UC710410  Lupinus albicaulis C. P. Smith 1946-5-2 46260 Yuba Browns Valley Road 10 mi sw Brownsville Comment
  SEINET10544010  Lupinus albicaulis subsp. shastensis Duane Isely 1965-5-29 Isely 9646 Yuba Roadsides and disturbed pine woodlands, state 49. Flowers white Comment
  UCD105997  Lupinus albifrons Barbara Yungert 1974-5-21 169 Yuba north side of Yuba River, Sierra Foothill Field Station. Comment
  SEINET10488381  Lupinus albifrons Charles Piper Smith 1948-4-27 Smith 48183 Yuba Junction dobbins and browns valley, brownsville roads. Stanfield hill, 3.4 Miles ne Comment
  CAS-BOT-BC196030  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-27 48183 Yuba Junction Dobbins & Browns Valley-Brownsville roads. Stanfield Hill, 3.4 miles northeast Comment
  CAS-BOT-BC196033  Lupinus albifrons var. albifrons Charles Piper Smith 1946-5-2 46252 Yuba Smartville, 0.3 miles east on Highway 20 Comment
  UCR194896  Lupinus albifrons var. collinus George K. Helmkamp, E. A. Helmkamp 2007-5-26 12135 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, just north of the Nevada Co. line; beside Oregon Creek and Oregon Creek campground 430 Comment
  CAS-BOT-BC196316  Lupinus albifrons var. flumineus Charles Piper Smith 1949-4-16 49106 Yuba Rackerby, 2.4 miles east - Brownsville Road Comment
  UCD106422  Lupinus andersonii W. R. Powell 1968-5-15 1500 Yuba on Fountain House Road, 2 miles NE of Dobbins. 792 Comment
  CHSC108213  Lupinus benthamii Lowell Ahart 2011-6-7 17395 Yuba On the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  JEPS118298  Lupinus benthamii Lowell Ahart 2011-6-7 17395 Yuba On the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville 66 Comment
  RSA795536  Lupinus benthamii L. Ahart 2011-6-7 17395 Yuba Huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 air miles northeast of Marysville. 66 Comment
  OBI83268  Lupinus benthamii Rhanda Riggins 1989-4-26 1624 Yuba Roadside bank, Hwy. 20, 0.6 mi W Yuba River crossing, 0.4 mi E Sicard Flat Rd. Comment
  SEINET11071818 Image available Lupinus benthamii Kennth Wagnon 1963-6-11 Yuba End of Scott-Forbes Road (T.16N, S.10), vicinity of Sierra Foothills Range Field Station, ca. 3 miles north of Smartville 335 Comment
  UCD107040  Lupinus benthamii Barbara Yungert 1974-4-12 22 Yuba Along four wheel drive road, north of Yuba River, F-2 project area, Sierra Foothill Field Station. Comment
  RSA21301  Lupinus benthamii var. benthamii Carl B. Wolf 1937-5-13 8646 Yuba 1.2 mi. below Stanfield Hill on road to Browns Valley. 274 Comment
  JEPS107955  Lupinus benthamii var. opimus Lowell Ahart 2005-3-11 11611 Yuba South steep slope of a large rock outcrop, west of a poor dirt road, about 1/2 mile west of Marysville Road, about 1/2 mile north of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 1/2 mile north of Loma Rica Road, about 395 Comment
  UC710384  Lupinus bicolor C. P. Smith 1946-5-2 46250 Yuba 3 mi se Hammonton Road Smartville; Smartville - 3 mi se Hammonton Road Comment
  UC710390  Lupinus bicolor C. P. Smith 1946-5-1 46244 Yuba 1.2 mi n Hiway 99e Wheatland; Wheatland - 1.2 mi n Hiway 99e Comment
  UC710403  Lupinus bicolor C. P. Smith 1946-5-2 46258 Yuba 7.1 mi sw Browns Valley Road Brownsville; Brownsville - 7.1 mi sw Browns Valley road Comment
  UCD39006  Lupinus bicolor Beecher Crampton 1962-4-17 6173 Yuba Ca. 2 miles south of Marysville. Island Road and State Hwy. 24. Comment
  UCR194908  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2007-5-26 12131 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, 1.3 miles south of Camptonville 802 Comment
  SEINET7063123 Image available Lupinus bicolor A. G. Vestal 1963-5-29 s.n. Yuba Olivehurst-Smartville Road 0.4 mile west southwest of Road to Beale Air Force Base. Road side in weedy grassland. Comment
  CHSC113642  Lupinus bicolor var. tridentatus L. P. Janeway 2014-5-13 11254 Yuba Northern High Sierra Nevada. Plumas National Forest; along Oregon Hill Road at the hairpin turn above Burnt Bridge Creek and New Bullards Bar Reservoir. 773 Comment
  UCD108127  Lupinus latifolius Kathleen Keliher 1975-5-14 104 Yuba top of hill near Road 4, near Meathook area, L 1-21 project area, Sierra Foothill Field Station. 243 Comment
  CAS-BOT-BC8498  Lupinus latifolius var. viridifolius C. P. Smith 1947-5-21 47316 Yuba Camptonville, about 6 miles S along Hwy 49, 2 miles N of bridge over MIddle Fork Yuba River Comment
  UCR169082  Lupinus microcarpus David Charlton 2005-5-16 8000 Yuba Sacramento Valley, Yuba Gold Field; just south of Yuba River; c. 7.5 mi ENE of Marysville; N of Beale Air Force Base; Survey area c. 2 miles by 1 mile 46 Comment
  SEINET1908777  Lupinus nanus G. K. Helmkamp, E. A. Helmkamp 2008-1 13463 Yuba Sierra Nevada Mountains Foothills: along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek (Camptonville 7.5' Q) 466 Comment
  UC710387  Lupinus nanus C. P. Smith 1946-5-2 46255 Yuba 1.4 mi e Browns Valley Comment
  UC710394  Lupinus nanus C. P. Smith 1946-4-25 46221 Yuba Honcut Road 3.8 mi n Loma Rica Comment
  UC710408  Lupinus nanus C. P. Smith 1946-5-2 46246 Yuba Hammonton Road 1.7 mi e South Marysville; e of South Marysville Comment
  SJSU14295  Lupinus nanus N. A. Hopkins 1989-4-28 1482 Yuba Ridge Rd to Allegheny c. 3 mi off Hwy 49 1219 Comment
  CHSC108215  Lupinus nanus var. vallicola Lowell Ahart 2011-6-7 17394 Yuba Road margin, about 25 yards south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  JEPS118080  Lupinus nanus var. vallicola Lowell Ahart 2011-6-7 17394 Yuba Road margin, about 25 yards south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville 66 Comment
  UC710406  Lupinus pachylobus C. P. Smith 1946-5-2 46259 Yuba Browns Valley Road 7.1 mi sw Brownsville; sw of Brownsville Comment
  SEINET10450737  Lupinus pachylobus Smith 1948-4-27 Smith 48180 Yuba Jct. Dobbins and browns valley brownsville roads. Stanfield hill, 3.4 mi ne. Pine forest. Scrub oak undergrowth. Red soil. Comment
  CHSC90628  Lupinus stiversii Lowell Ahart 2005-3-11 11610 Yuba South steep slope of a large rock outcrop, west of a poor dirt road, about 1/2 mile west of Marysville Road, about 1/2 mile north of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 1/2 mile north of Loma Rica Road, about 5 miles (air) northeast of Loma Rica. 395 Comment
  UC1129712  Lupinus stiversii F. W. Embree 1934-4-30 46 Yuba 3 1/2 mi ene Marysville BM; Marysville Quad., ene of Marysville BM Comment
  RSA21299  Lupinus vallicola subsp. vallicola Carl B. Wolf 1937-5-13 8644 Yuba Sierra Nevada Foothills, 1 2/10 mi. below Stanfield hill on road to Browns Valley. 274 Comment
  SEINET10490993  Lupinus vallicola subsp. vallicola Smith 1948-4-27 Smith 48184 Yuba Jct dobbins and browns valley--brownsville roads. Stanfield hill, 3.4 mi ne. Comment
  CHSC118444  Luzula macrantha L. P. Janeway 2016-5-11 11961 Yuba Northern High Sierra Nevada. Plumas National Forest; near head of eastern tributary of Indian Creek; west side of Road 19N53 0.4 road-km south of Road 29N13. 920 Comment
  CAS-BOT-BC441309  Luzula macrantha Gordon H. True 1963-5-2 1208 Yuba Sierra Nevada: Oregon Creek at jct. with middle Yuba River, at Freeman's Crossing 457 Comment
  JEPS126010  Luzula parviflora D. W. Taylor 2001-6-19 17793 Yuba Ca 3 air miles SW of Union Hill; creek along Forest Road 20N35 tributary to Brushy Creek near Daimond Ravine. Comment
  CHSC113659  Luzula subsessilis L. P. Janeway 2014-5-20 11257 Yuba Northern High Sierra Nevada. Plumas National Forest; 1.9 air-km southeast of Pike County Peak, 4.1 air-km southeast of Challenge; near Road 29N38. 928 Comment
  CDA28924  Lycopodiella cernua Berger/Saunders 2009-4-9 s.n. Yuba Olivehurst, 1714 Chateau Drive. 0 Comment
  CHSC11094  Lycopus americanus Lowell Ahart 1966-9-4 Yuba Sam Shintaffer Ranch. 39 Comment
  HSC14222  Lycopus americanus C. B. Wolf 1927-11-5 1439 Yuba Road to Brown's Valley, 8 mi. from Marysville Comment
  JEPS103439  Lycopus americanus Lowell Ahart 2002-10-8 9942 Yuba On the edge of a pond, ca 100 yards N of Long Ravine Road, ca 300 yards SE of the intersection of Camp Far West Road and Long Ravine Road there is a poor gate on the N side of the road, N of Camp Far West Reservoir. 121 Comment
  CHSC108209  Lythrum hyssopifolia Lowell Ahart 2011-6-7 17404 Yuba North of a willow shrub, just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  CHSC97491  Lythrum hyssopifolia Lowell Ahart 2007-5-12 13798 Yuba Bottom of a scraped area, about 30 feet east of a culvert, about 50 yards north of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  JEPS118089  Lythrum hyssopifolia Lowell Ahart 2011-6-7 17404 Yuba North of a willow shrub, just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville 66 Comment
  UCD103041  Lythrum hyssopifolia Kathleen Keliher 1975-5-28 116 Yuba Near Dry Creek and Rowell's property. Comment
  UCR169017  Madia David Charlton 2005-5-16 8032 Yuba Sacramento Valley, Yuba Gold Field; just south of Yuba River; c. 7.5 mi ENE of Marysville; N of Beale Air Force Base; Survey area c. 2 miles by 1 mile 46 Comment
  UCD134173  Madia citriodora Barbara Yungert 1974-5-1 102 Yuba along irrigation ditch, north of road, SC-14 project area, Sierra Foothill Field Station. Comment
  CAS-BOT-BC344279  Madia elegans Lowell Ahart 1983-8-10 4274 Yuba Along the Peterson Ridge Road, about 5 miles east of Challenge 1000 Comment
  CAS-BOT-BC344280  Madia elegans David D. Keck 1932-7-1 1609 Yuba 1 mile SE. of Log Cabin Service Station, west of Camptonville 600 Comment
  POM186541  Madia elegans D. D. Keck 1932-7-1 1609 Yuba 1 mile SE of log Cabin Service Station, W of Camptonville. 610 Comment
  CAS-BOT-BC344594  Madia exigua Lewis S. Rose 1940-5-28 40393 Yuba Oregon House 457 Comment
  CAS-BOT-BC344595  Madia exigua Lowell Ahart 1979-6-3 s.n. Yuba 1 mi s of Challenge 700 Comment
  CHSC45008  Madia exigua Lowell Ahart 1979-7-3 1920 Yuba About 1 mile south of Challenge. 640 Comment
  JEPS95343  Madia exigua Lowell Ahart 1994-6-5 7300 Yuba ca. 3 (air) mi e Forbestown (s side of creek, e side of Forbestown Rd.); Costa Creek 853 Comment
  SEINET7072998  Madia exigua A. G. Vestal 1963-5-30 s.n. Yuba Turn-off to Timbuctoo from Route 20 at Yuba River. UTM Zone 10, 643966mE, 4342277mN. Coordinate datum: NAD27). Comment
  UCD134259  Madia exigua Barbara Yungert 1974-5-9 138 Yuba along Road 1, P 1-12 project area, Sierra Foothill Field Station. Comment
  CAS-BOT-BC334672  Madia glomerata Lowell Ahart 1980-8-12 2552 Yuba Along Slate Creek, Sierra Nevada 1250 Comment
  CHSC108197  Madia gracilis Lowell Ahart 2011-6-7 17380 Yuba Road margin, about 25 yards south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  CHSC110320  Madia gracilis L. P. Janeway 2013-6-7 11137 Yuba Northern High Sierra Nevada. Along Oregon Hill Road just south of Little Oregon Creek. 628 Comment
  JEPS104291  Madia gracilis Lowell Ahart 2003-7-6 10355 Yuba Near a meadow, e of the power line, ca 30 yd w of Fountain Hill Rd, ca 5 mi (air) n of Dobbins. 836 Comment
  JEPS118437  Madia gracilis Lowell Ahart 2011-6-7 17380 Yuba Road margin, about 25 yards south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville 66 Comment
  JEPS120532  Madia gracilis L. P. Janeway 2013-6-7 11137 Yuba Northern High Sierra Nevada. Along Oregon Hill Road just south of Little Oregon Creek. Comment
  SEINET13709234  Madia gracilis Lowell William Ahart, Lowell William Ahart 2003-1 10355 Yuba Along Fountain Hill Road 5 Mi. N of Dobbins (39 Deg 26'11.7"N, 121 Deg 12'07.3"W) 2746 Ft. 837 Comment
  CAS-BOT-BC343560  Madia gracilis David D. Keck 1930-7-25 985 Yuba Between Bullards Bar Reservoir and Camptonville 600 Comment
  CAS-BOT-BC343561  Madia gracilis David D. Keck 1930-7-25 985 Yuba Between Bullards Bar Reservoir and Camptonville 600 Comment
  UCD134276  Madia gracilis L. Ahart 1982-7-4 3660 Yuba ca. 1/2 mile east of Brownville, along La Porte Road. 700 Comment
  SEINET7072722  Madia sativa A. G. Vestal 1963-5-7 s.n. Yuba About 3.5 miles north of Wheatland on Jasper Lane. UTM Zone 10, 636590E, 4323573mN. Coordinate datum: NAD 27. Comment
  CAS-BOT-BC347374  Malacothrix floccifera Lewis S. Rose 1939-6-7 39244 Yuba N. Fork of Feather River, 3 mi. s. of Pulga 609 Comment
  CHSC90465  Marah fabacea var. agrestis Lowell Ahart 2005-3-11 11602 Yuba In the center of a large rock outcrop, just east of the poor dirt road, about 1/2 mile west of Marysville Road, about 1/2 mile north of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 1/2 mile north of Loma Rica Road, about 5 miles (air) northeast of Loma Rica. 386 Comment
  HSC14232  Marrubium vulgare T. F. Newman 1964-2-22 10 Yuba 10 miles N of Marysville on Alt. 40. 5 mi. on Rameriz Rd. Comment
  CHSC97749  Marsilea vestita subsp. vestita Lowell Ahart 2007-11-8 14579 Yuba On the strand of Camp Far West Reservoir, about 1/2 mile south of Rock Creek, about 1/8 mile north of Bear River, about 6 miles (air) northeast of Sheridan. 73 Comment
  JEPS115060  Marsilea vestita subsp. vestita Lowell Ahart 2007-11-8 14579 Yuba On the strand of Camp Far West Reservoir, about 1/2 mile south of Rock Creek, about 1/8 mile north of Bear River, about 6 miles (air) northeast of Sheridan 73 Comment
  RSA727529  Marsilea vestita subsp. vestita L. Ahart 2007-11-8 14579 Yuba On the strand of Camp Far West Reservoir, about 1/2 mile south of Rock Creek, about 1/8 mile north of Bear River, about 6 miles (air) northeast of Sheridan. 74 Comment
  UCD134622  Matricaria discoidea Barbara Yungert 1974-4-17 18 Yuba North of Yuba River, Sierra Foothill Field Station. Comment
  JEPS95892  Medicago lupulina Lowell Ahart 1999-9-5 8193 Yuba on the disturbed area on the south side of Woodruff Lane; just west of Kimball Lane; about 5 miles (air) northeast of Marysville 24 Comment
  CHSC97677  Medicago polymorpha Lowell Ahart 2007-5-14 13871 Yuba About 20 yards northeast of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  JEPS113507  Medicago polymorpha Lowell Ahart 2007-5-14 13871 Yuba About 20 yards northeast of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  JEPS118305  Medicago polymorpha Lowell Ahart 2011-6-7 17396 Yuba West of a willow shrub, just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville 66 Comment
  UCD37855  Medicago polymorpha Beecher Crampton 1962-4-24 6259 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  UCD37856  Medicago polymorpha Beecher Crampton 1962-4-24 6260 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  CAS-BOT-BC269365  Melica californica Beecher Crampton 1967-5-17 7940 Yuba 5 miles east Brown's Valley, UC - Sierra Foothill Range Field Station Comment
  CHSC107175  Melica californica L. P. Janeway; Melanie Williams, Tim Hanson 2011-6-9 10376 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. Small grassy meadow. Plants next to shrubs around edges of the meadow. 750 Comment
  JEPS118737  Melica californica L. P. Janeway and Melanie Williams, Tim Hanson 2011-6-9 10376 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. French Corral 7.5' quad. Comment
  SEINET4671582  Melica californica A. Tiehm 1975-1 646 Yuba U.C. Sierra Foothill Field station 274 Comment
  UCD80571  Melica californica CNPS SN Foothill Team 2005-3-17 SNFN 0060 Yuba CDFG Spenceville Wildlife Area, one mile south of Smartville and Pitman Road junction, northeast of the Pittman Pond. 180 Comment
  UCD87250  Melica californica var. nevadensis Beecher Crampton 1965-5-11 7314 Yuba 5 miles east of Brown's Valley; Sierra Foothill Range Field Station. Comment
  UC1153840  Melica harfordii Beecher Crampton 1954-5-10 1850 Yuba 6 mi ne Camptonville (State Hwy 49, canyon of the north fork of the Yuba River) Comment
  CHSC68463  Melica torreyana Lowell Ahart; Barbara Castro, Dan Barth, Diane Mastalir 1997-4-6 7730 Yuba Along the south side of Dry Creek, north of the poor dirt road, about 1 mile east of Scott Forbes Road (Long Bar Road), about 17 miles northeast of Marysville. 121 Comment
  JEPS94322  Melica torreyana Lowell Ahart, Barbara Castro, Dan Barth, Diane Mastalir 1997-4-6 7730 Yuba about 17 mi ne of Marysville (along the s side of Dry Creek, n of the poor dirt road, about 1 mi e of Scott Forbes Road (Long Bar Road)); Dry Creek 121 Comment
  UCR197048  Melica torreyana George K. Helmkamp, E. A. Helmkamp 2008-5-20 13472 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  JEPS115021  Melilotus albus Lowell Ahart 2007-11-1 14541 Yuba On the south side of Willow Creek, above the high water line of Bullards Bar Reservoir, about 1 mile northwest of Old Camptonville Road, about 1 1/2 miles (air) west of Camptonville 627 Comment
  CHSC83028  Mentha canadensis Lowell Ahart 2002-10-9 9968 Yuba On the north bank of Lost Creek, below the high water line of Sly Creek Reservoir, about 100 yards southwest of the Day Camp, Sly Creek Reservoir. 1072 Comment
  CHSC84228  Mentha spicata Lowell Ahart 2003-7-17 10417 Yuba On the bottom of a stream, on the west side of Smartville road, about 2 miles north of the intersection of Waldo Road and Smartville Road, about 6 miles (air) south of Smartville. 129 Comment
  JEPS104591  Mentha spicata Lowell Ahart 2003-7-17 10417 Yuba On the bottom of a stream, on the w side of Smartville road, ca 2 mi n of the intersection of Waldo Rd and Smartville Rd, ca 6 mi (air) south of Smartville. 129 Comment
  SEINET3441879  Mentha spicata Unknown 2003-7-17 10417 Yuba Smartville, Smartville, about 6 air miles south, west side of Smartville Road, about 2 miles north of the intersection of Waldo Road and Smartville Road 120 Comment
  UCD81497  Micranthes californica Christopher Michael Bronny 2009-4-1 9 Yuba Oat Hills' area of Sierra Nevada foothills. 146 Comment
  SEINET7067146  Micropus amphibolus A. G. Vestal 1947-4-30 s.n. Yuba About 5.1 miles west of Smartville. Coordinate datum: NAD27. UTM Zone 10, 641421mE, 4340515mN. Comment
  UCR169025  Micropus californicus David Charlton 2005-5-16 8020 B Yuba Sacramento Valley, Yuba Gold Field; just south of Yuba River; c. 7.5 mi ENE of Marysville; N of Beale Air Force Base; Survey area c. 2 miles by 1 mile 46 Comment
  CHSC68469  Micropus californicus var. californicus Lowell Ahart; Barbara Castro, Dan Barth, Diane Mastalir 1997-4-6 7723 Yuba On the bank of the Browns Valley Water Ditch, south of the poor dirt road, south of Dry Creek, about 1 mile east of Scott Forbes Road (Long Bar Road), about 17 miles northeast of Marysville. 182 Comment
  JEPS94318  Micropus californicus var. californicus Lowell Ahart, Barbara Castro, Dan Barth, Diane Mastalir 1997-4-6 7723 Yuba about 17 mi ne of Marysville (on bank of the Browns Valley Water Ditch, s of the poor dirt road, s of Dry Creek, about 1 mi e of Scott Forbes Road (Long Bar Road)); Browns Valley Water Ditch 182 Comment
  SEINET7067141  Micropus californicus var. californicus A. G. Vestal 1947-4-30 s.n. Yuba About 5.1 miles west of Smartville on Route 20. Coordinate datum: NAD27. Comment
  UCR257159  Micropus californicus var. californicus George K. Helmkamp 2014-4-17 22769 Yuba Sierra Nevada Foothills, Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mi. due S of Smartsville 264 Comment
  CAS-BOT-BC348440  Micropus californicus var. californicus L. S. Smith 1932-4-29 2642 Yuba South of Spenceville Road to Sheridan 304 Comment
  UCD134518  Micropus californicus var. californicus Barbara Yungert 1974-4-25 81 Yuba lower SC-14 project area, Sierra Foothill Field Station. Comment
  SEINET7042615  Microseris acuminata A. G. Vestal 1963-5-7 s.n. Yuba Ca 3.5 miles north of Wheatland. Wheatland quadrangle UTM Zone 10, 636544mE, 4323933mN. Comment
  RSA21295  Microsteris gracilis subsp. humilis C. B. Wolf 1937-5-13 8640 Yuba Sierra Nevada Foothills, 2.7 mi below Stanfield Hill on road to Browns Valley. 183 Comment
  CAS-BOT-BC150495  Mimulus aurantiacus var. grandiflorus Mrs. J. E. Cramsie 1923-5-22 s.n. Yuba Smartsville Comment
  CHSC115287  Mimulus aurantiacus var. grandiflorus Lowell Ahart 2015-4-30 20130 Yuba Serpentine, on the east side of the quarry, about 1 1/4 mile (air) southwest of the Bullards Bar Dam, about 3 miles (air) northeast of Dobbins. 709 Comment
  JEPS123934  Mimulus aurantiacus var. grandiflorus Lowell Ahart 2015-4-30 20130 Yuba About 1 1/4 mile (air) southwest of the Bullards Bar Dam, about 3 miles (air) northeast of Dobbins. Comment
  OBI48845  Mimulus aurantiacus var. grandiflorus Lewis S. Rose 1939-6-7 39242 Yuba N Fork of Feather River, 3 mi S of Pulga 610 Comment
  RSA0114654  Mimulus aurantiacus var. grandiflorus Lowell A. Ahart 2015-4-30 20130 Yuba On the east side of the quarry, about 1.25 mile (air) southwest of the Bullards Bar Dam, about 3 miles (air) northeast of Dobbins. 710 Comment
  UC943803  Mimulus aurantiacus var. grandiflorus H. E. McMinn 1946-5-11 5507 Yuba road from Dobbins to Camptonville; North Fork Yuba River Comment
  UCD122353  Mimulus aurantiacus var. grandiflorus Barbara Yungert 1974-5-4 114 Yuba south side of rock pile, north of Yuba River, F-2 project area, Sierra Foothill Field Station. Comment
  RSA715485  Mimulus floribundus L. Ahart 2005-3-11 11608 Yuba About 0.5 mile W of Marysville Rd. About 0.5 mile N of Parking Area 3. Daugherty Hill Wildlife Area. Donovan Hill Managment Area. About 0.5 mile N of Loma Rica Rd. About 5 miles (air) NE of Loma Rica. 395 Comment
  UCD122717  Mimulus guttatus Barbara Yungert 1974-4-14 34 Yuba along road 5, outside Meathook area, Sierra Foothill Field Station. Comment
  UCD84997  Mimulus kelloggii Dena Grossenbacher; Ryan Briscoe Runquist 2009-4-1 960 Yuba 0.9 miles west of Highway 49 along the north side of Moonshine Road which starts on the north side of the Highway 49 Yuba River bridge. 451 Comment
  UCD122738  Mimulus kelloggii R. O. Hanes 1991-5-21 15 Yuba Road 18N77 or 121. Tahoe Forest. 579 Comment
  UC886288  Mimulus moniliformis Lewis S. Rose 1939-6-6 39233 Yuba Strawberry Valley 1219 Comment
  POM161754  Mimulus moschatus R. C. Bacigalupi 1927-7-2 1587 Yuba Highway to Downieville about 8 mi NE of Camptonville. Comment
  UCD122682  Mimulus nasutus Kathleen Keliher 1975-4-16 56 Yuba Below Englebright Dam, Sierra Foothill Field Station. 152 Comment
  CAS-BOT-BC174591  Minuartia californica Gordon H. True 1963-4-17 1175 Yuba About 10 miles east of Marysville, on Marysville-Grass Valley Hwy. 30 Comment
  CAS-BOT-BC174564  Minuartia californica Gordon H. True 1966-4-7 2681 Yuba About 5 miles east of Wheatland and 1 mile north of Bear River 54 Comment
  CDA24062  Minuartia douglasii D. L. Wilson 1976-5-14 Yuba 4899 Fruitland Road, Loma Rica. 0 Comment
  JEPS100262  Moehringia macrophylla Dean W. Taylor 2001-5-9 17635 Yuba canyon of the North Fork Yuba River near Kelley Bar, Plumas National Forest 609 Comment
  CHSC113180  Mollugo verticillata Lowell Ahart 2013-11-30 19298 Yuba On the sides of a deep wash (Willow Glen Creek), northwest of Dry Creek, below the high water line of Collins Lake, about 100 yards north of Marysville Road, about 2 1/2 miles west of Oregon House. 356 Comment
  CHSC81801  Mollugo verticillata Lowell Ahart 2001-11-2 9402 Yuba Camp Far West Reservoir, about 1/4 mile mortheast of the dam, about 9 miles (air) southeast of Wheatland. 83 Comment
  JEPS121317  Mollugo verticillata Lowell Ahart 2013-11-30 19298 Yuba On the sides of a deep wash (Willow Glen Creek), NW of Dry Creek, below the high water line of Collins Lake, about 100 yards N of Marysville Road, about 2.5 miles W of Oregon House. Comment
  CAS-BOT-BC435063  Mollugo verticillata Alice Eastwood 1913-7-3 3409 Yuba Wheatland Comment
  SEINET10935796  Monardella lanceolata Lowell Ahart, Peter Ahart 1983-8-10 Ahart 4273 Yuba Along Peterson Rd, ca. 5 mi e of Challenge. Yellow Pine Forest; 1000 m. 1000 Comment
  CHSC112861  Monardella sheltonii L. P. Janeway 2014-4-26 11426 Yuba Northern High Sierra Nevada. Plumas National Forest; above the end of Road 18N01A halfway between Summit Hill and New Bullards Bar Reservoir (North Yuba River); 5.6 air-km northeast of Dobbins. 850 Comment
  CHSC69140  Monardella sheltonii Lowell Ahart 1997-8-7 7812 Yuba On the north side of the dirt road, Peterson Ridge Road, about 3 miles (air) southeast of Challenge. 762 Comment
  RSA0037137  Monardella sheltonii L. P. Janeway 2014-6-26 11426 Yuba Northern High Sierra Nevada. Plumas National Forest; above the end of Road 18N01A halfway between Summit Hill and New Bullards Bar Reservoir (North Yuba River); 5.6 air-km northeast of Dobbins. 850 Comment
  UCD125241  Monardella sheltonii W. R. Powell 1968-5-15 1494 Yuba 2 miles NE of Dobbins on Fountain House Road. 792 Comment
  LA54221  Monardella sheltonii Carl Epling; 1938-6-16 sn Yuba near Brownsville Comment
  JEPS95003  Monardella villosa subsp. villosa Lowell Ahart 1997-8-7 7812 Yuba about 3 air miles southeast of Challenge (on the north side of the dirt road, Peterson Ridge Road); Peterson Ridge Road 762 Comment
  CHSC90460  Montia fontana subsp. amporitana Lowell Ahart 2005-3-11 11603 Yuba In the middle of the poor dirt road, west of a large rock outcrop, about 1/2 mile west of Marysville Road, about 1/2 mile north of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 1/2 mile north of Loma Rica Road, about 5 miles (air) northeast of Loma Rica. 386 Comment
  CHSC96425  Montia fontana subsp. chondrosperma Lowell Ahart 2007-4-17 13689 Yuba Bottom of a small wash, about 1/8 mile west of Marysville Road and the Parking Area, Daughtery Hill Wildlife Area, Donovan Hill Management Area, abouit 5 1/2 miles (air) northwest of Loma Rica. 292 Comment
  CAS-BOT-BC260519  Muhlenbergia filiformis Lowell Ahart 1980-8-12 2567 Yuba Along Slate Creek 1250 Comment
  CHSC83067  Muhlenbergia filiformis Lowell Ahart 2002-10-9 9972 Yuba On the south bank of Lost Creek, below the high water line of Sly Creek Reservoir, about 200 yards southwest of the Day Camp, Sly Creek Reservoir. 1072 Comment
  JEPS103480  Muhlenbergia filiformis Lowell Ahart 2002-10-9 9972 Yuba On the S bank of Lost Creek, below the high water line of Sly Creek Reservoir, ca 200 yards SW of the Day Camp, Sly Creek Reservoir. 1072 Comment
  CHSC97708  Muhlenbergia rigens Lowell Ahart 2007-11-8 14590 Yuba North of a small island, on the strand of Camp Far West Reservoir, about 1/2 mile south of Rock Creek, about 1/8 mile north of Bear River, about 6 miles (air) northeast of Sheridan. 91 Comment
  UCD86998  Muhlenbergia rigens Beecher Crampton 1963-9-9 6880 Yuba 2.5 miles n.n.w. of Smartsville, 5 miles east Brown's Valley. U.C. Sierra Foothill Station. Comment
  HSC79879  Myosotis discolor James Henrickson 1969-5-25 3453 Yuba Ca. 49 mi. NE of Yuba City, 3.7 mi. NE of Nevada-Yuba Co. line along Hwy. 49 793 Comment
  JEPS95852  Myriophyllum aquaticum Lowell Ahart 1999-9-17 8258 Yuba Sam Shintaffer Farm; on the west side of Kimball Lane; near the intersection of Kimball Lane and Hallwood Blvd.; about 3/4 mile south of Sam Shintaffer's rice dryer; about 4 1/4 miles (air) northeast of Marysville 22 Comment
  CDA19112  Myriophyllum spicatum Onstott, Storm 2001-3-19 PDR P 116776 Yuba on Durby Lane, Browns Valley. 0 Comment
  CAS-BOT-BC260116  Nassella pulchra Gordon H. True 1963-4-17 1157 Yuba About 3 miles S of Smartville on Beale Air Force Base 213 Comment
  UCD81504  Nassella pulchra Christopher Michael Bronny 2009-4-1 16 Yuba Oat Hills' area of Sierra Nevada foothills. 140 Comment
  UCD87472  Nassella pulchra Beecher Crampton 1957-6-5 4143 Yuba 1 mile east of Stanfield Hill. Comment
  UCD87479  Nassella pulchra Beecher Crampton 1962-4-24 6274 Yuba 5 miles east of Browns Valley. Sierra Foothill Range Field Station. Comment
  SEINET7072977  Navarretia A. G. Vestal 1963-5-29 s.n. Yuba At 99 East and Beale Road [Presently 99 & Camp Beale Road]. UTM Zone 10, 622422mE, 4331929mN. Coordinate datum: NAD27). Comment
  UCR168803  Navarretia David Charlton 2005-5-16 8027 A Yuba Sacramento Valley, Yuba Gold Field; just south of Yuba River; c. 7.5 mi ENE of Marysville; N of Beale Air Force Base; Survey area c. 2 miles by 1 mile 46 Comment
  RSA0107825  Navarretia divaricata subsp. divaricata George K. Helmkamp, E. A. Helmkamp 2007-8-29 12832 A Yuba Northern Sierra Nevada Mountains Foothills: along Hwy CA-49, 0.5 mile south of Camptonville. 817 Comment
  UCR189051  Navarretia divaricata subsp. divaricata George K. Helmkamp, E. A. Helmkamp 2007-8-29 12832 Yuba Northern Sierra Nevada Mountains Foothills, along Hwy CA-49, 0.5 mile south of Camptonville 817 Comment
  CHSC107430  Navarretia filicaulis L. P. Janeway 2011-8-10 10641 Yuba Northern High Sierra Nevada. Plumas National Forest; serpentine slope on southeast side of Road 19N04 1.3 km north of Challenge-La Porte road; 2.2 air km northeast of Challenge. 1023 Comment
  CHSC44335  Navarretia filicaulis Lowell Ahart 1975-6-25 809 Yuba Near the Brownsville dump, about 1 mile west of Brownsville. 396 Comment
  JEPS94628  Navarretia filicaulis Lowell Ahart 1997-8-7 7807 Yuba n side of New York Flat Rd. about 1 mi nw La Porte Road (about 1 mi n of Brownsville) 731 Comment
  UC718468  Navarretia filicaulis Carl B. Wolf 1937-6-11 Yuba 1.6 mi nw Stanfield Hill (along a fork of South Honcut Creek, Sierra Nevada foothills); Sierra Nevada 304 Comment
  CAS-BOT-BC230300  Navarretia heterandra Lewis S. Rose 1939-6-5 39203 Yuba Smartsville 182 Comment
  UCD37132  Navarretia heterandra Beecher Crampton 1957-6-5 4118 Yuba 10 miles east of Marysville, along State Highway 20. Comment
  JEPS13880  Navarretia intertexta Rimo Bacigalupi with L. R. Heckard, R. D. Sanderson, and G. Bacigalupi 1952-6-20 3757 Yuba 1.5 mi due s;along road from Brownsville to Oregon House, just n of Washington Mill Brownsville 609 Comment
  UCR169019  Navarretia intertexta David Charlton 2005-5-16 8011 Yuba Sacramento Valley, Yuba Gold Field; just south of Yuba River; c. 7.5 mi ENE of Marysville; N of Beale Air Force Base; Survey area c. 2 miles by 1 mile 46 Comment
  OBI11322  Navarretia intertexta Lewis S. Rose 1967-6-13 67127 Yuba Camp Far West Reservoir, 7 mi NE of Wheatland. 122 Comment
  UCD48460  Navarretia intertexta Barbara Yungert 1974-5-16 158 Yuba Above Dry Creek, L 1-11 project area, Sierra Foothill Field Station, Yuba County, California. Comment
  UCD48464  Navarretia intertexta Barbara Yungert 1974-5-23 178 Yuba Along west side of Road 3, below F 1-13 project area near gate, Sierra Foothill Field Station, Yuba County, California. Comment
  CHSC97642  Navarretia intertexta subsp. intertexta Lowell Ahart 2007-5-12 13805 Yuba Bottom of a swale, about 100 feet northeast of a culvert, about 50 yards north of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  JEPS104065  Navarretia intertexta subsp. intertexta Lowell Ahart 2003-7-6 10356 Yuba Near a meadow, e of the power line, ca 30 yd w of Fountain Hill Rd, ca 5 mi (air) n of Dobbins. 836 Comment
  UCD162514  Navarretia intertexta subsp. intertexta Steve Matson 2007-5-19 1713 Yuba nSNF; lower Sierra foothills westslope; about 1 mile south of Highway 20, off Smartville Rd. Smiling Dog Ranch. 268 Comment
  CHSC45447  Navarretia leptalea Lowell Ahart 1980-8-12 2550 Yuba On a gravel bar in Slate Creek, a little below where Gold Run Creek flows into Slate Creek, above Onion Creek, about 7 miles south of La Porte. 1158 Comment
  UC1283734  Navarretia leucocephala Beecher Crampton 1965-5-11 7325 Yuba 2.5 mi sw Browns Valley Comment
  UCD48528  Navarretia leucocephala Beecher Crampton 1965-5-11 7325 Yuba 2.5 miles s.w. Brown's Valley. Comment
  SEINET7042611  Navarretia leucocephala A. G. Vestal 1963-5-29 s.n. Yuba Olivehurst-Smartville Road [presently Hammonton- Smartville Road]. 0.4 mile west of road south to Beale Air Force Base [Smartville Road]. Smartville quadrangle UTM Zone 10, 646242mE, 4339869mN. Comment
  SEINET7042648  Navarretia leucocephala A. G. Vestal 1963-5-30 s.n. Yuba Weedy depression near Dry Creek and north oh Sicard Flat. Smartville quadrangle UTM Zone 10, 642203mE, 4345148mN. Comment
  JEPS113396  Navarretia leucocephala subsp. leucocephala Lowell Ahart 2007-5-12 13806 Yuba Bottom of a scraped area, about 30 feet east of a culvert, about 50 yards north of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  SEINET3163761  Navarretia propinqua L. S. Rose 1940-5-28 40377 Yuba Browns Valley 61 Comment
  CHSC97449  Navarretia pubescens Lowell Ahart 2007-5-12 13807 Yuba Dry bare disturbed dark soil, about 20 yards northeast of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  JEPS113399  Navarretia pubescens Lowell Ahart 2007-5-12 13807 Yuba Dry bare disturbed dark soil, about 20 yards northeast of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  JEPS118070  Navarretia pubescens Lowell Ahart 2011-6-7 17406 Yuba Openings in woodlands, about 100 yards south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville 66 Comment
  UC856882  Navarretia pubescens Lewis S. Rose 1939-6-5 39202 Yuba Smartsville 182 Comment
  UCD37131  Navarretia pubescens Beecher Crampton 1957-6-5 4117 Yuba 10 miles east of Marysville, along State Highway 20. Comment
  OBI11305  Navarretia pubescens Lewis S. Rose 1967-6-13 67126 Yuba Camp Far West Reservoir. 7 mi NE of Wheatland 122 Comment
  RSA189444  Navarretia pubescens L. S. Rose 1967-6-13 67126 Yuba Camp Far West Reservoir, 7 mi. NE of Wheatland 122 Comment
  SEINET208622  Navarretia pubescens Lewis S. Rose 1967-6-13 67126 Yuba Cam Far West Reservoir; 7 miles NE of Wheatland. 122 Comment
  UCD38716  Navarretia pubescens Beecher Crampton 1957-6-5 4131 Yuba 2.6 miles NE of Brown's Valley P.O. Comment
  UCD48620  Navarretia pubescens Beecher Crampton 1957-6-5 4131 Yuba 2.6 miles NE of Brown's Valley P.O. Comment
  CHSC97451  Navarretia tagetina Lowell Ahart 2007-5-12 13808 Yuba On dry bare distrubed dark soil, about 20 yards northeast of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  JEPS113397  Navarretia tagetina Lowell Ahart 2007-5-12 13808 Yuba On dry bare distrubed dark soil, about 20 yards northeast of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  OBI11296  Navarretia tagetina Lewis S. Rose 1967-6-13 67124 Yuba 7 mi NE of Wheatland. 61 Comment
  CHSC59545  Nemophila heterophylla H. E. MacLennan 1992-4-5 14 Yuba 19 air miles se of Oroville. 518 Comment
  CHSC96484  Nemophila heterophylla Lowell Ahart 2007-4-17 13687 Yuba East side of a small wash, about 1/8 mile west of Marysville Road and the Parking Area, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 5 1/2 miles (air) northeast of Loma Rica. 292 Comment
  JEPS113100  Nemophila heterophylla Lowell Ahart 2007-4-17 13687 Yuba East side of a small wash, about 1/8 mile west of Marysville Road and the Parking Area, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 5 1/2 miles (air) northeast of Loma Rica 292 Comment
  UC410446  Nemophila heterophylla Alice Eastwood 1930-4-12 17938 Yuba Texas Hill Road Comment
  UC606921  Nemophila heterophylla L. Constance, J. L. Morrison 1938-4-30 2175 Yuba 1 mi nw Smartsville (above Timbuctoo); Sierra Nevada foothills, abv Timbuctoo, nw of Smartsville 304 Comment
  UCR197047  Nemophila heterophylla George K. Helmkamp, E. A. Helmkamp 2008-5-20 13471 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  POM249051  Nemophila heterophylla Lincoln Constance 1938-6-8 2292 Yuba Middle Fork of the Yuba River, 4 miles northwest of North San Juan, Sierra Nevada Foothills. 427 Comment
  RSA21293  Nemophila heterophylla Carl B. Wolf 1937-5-13 8638 Yuba Sierra Nevada Foothills, 2.7 mi below Stanfield Hill on road to Browns Valley. 183 Comment
  JEPS18181  Nemophila maculata Rimo Bacigalupi with G. T. Robbins and F. Chisaki 1956-4-19 5617 Yuba 1/2 mi n Dobbins Ranger Sta. (along road from Oregon House to Dobbins); n of Dobbins Ranger Sta. (Calif. State Dept of Forestry) 548 Comment
  UC794385  Nemophila maculata Lincoln Constance 1949-4-29 3279 Yuba 2 mi w Dobbins (Oregon House); w of Dobbins 457 Comment
  UCD119911  Nemophila maculata Kathleen Keliher 1975-5-6 95 Yuba 100 feet from duck pond, between two houses, intersection of Frenchtown and New York House Roads. 304 Comment
  JEPS120544  Notholithocarpus densiflorus L. P. Janeway, Tim Hanson 2013-10-24 11211 Yuba Northern High Sierra Nevada. Plumas National Forest; Challenge Experimental Forest; broad ridgeline between Challenge and Golden Gate Ravine, 1700 m north-northwest of Challenge. Comment
  UCD110187  Notholithocarpus densiflorus Kathleen Keliher 1975-4-30 77 Yuba Along Oregon Hill Road between Bullards Bar Reservoir and Challenge. Comment
  UCD110240  Notholithocarpus densiflorus Caroline B. Pratt 1977-9-27 s.n. Yuba Woodleaf, ca. 5 miles east of Challenge. At edge of trail along Oroville-Wyandotte Canal, upstream from gravity flow pipe that bypasses inhabited area. 914 Comment
  CDA18804  Nymphaea odorata T. Gantenbein 2000-4-22 PDR 1198713 Yuba 10 mi northeast of Marysville. 0 Comment
  CDA3518  Nymphaea odorata G. D. Barbe 1977-4-18 2253 b Yuba 13th and D Streets, Marysville . 0 Comment
  RSA712849  Odontostomum hartwegii L. P. Janeway 2006-5-24 8621 Yuba Northern Sierra Nevada Foothills, E side of Ponderosa Way 1.3km N of La Porte Road and Brownsville 686 Comment
  UC844106  Odontostomum hartwegii Alice Eastwood 1921-5-22 10526 Yuba Los <Vergils> Comment
  UCR95623  Odontostomum hartwegii C. B. Wolf 1937-5-13 08649 Yuba Sierra Nevada Foothills, 1.6 mi NW of Stanfield Hill, along fork of South Honcut Creek 305 Comment
  CHSC76110  Oenothera elata subsp. hirsutissima Lowell Ahart 1999-9-5 8194 Yuba On the south side of Woodruff Lane, just west of Kimball Lane, about 5 miles (air) northeast of Marysville. 24 Comment
  SJSU8387  Orobanche uniflora J. B. Willis Jr. 1969-4-27 Yuba by old stage rd to Timbuctoo, NW of Smartville, 0.25 mi from State Hwy 20 Comment
  JEPS106275  Orobanche uniflora var. uniflora Lowell Ahart 2004-4-27 10765 Yuba About 20 yards west of a drainage, about 40 yards south of the road, about 1/2 mile (air) southeast of Woodleaf 931 Comment
  UCD37869  Oxalis corniculata Beecher Crampton 1962-4-24 6285 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  JEPS88898  Packera eurycephala var. eurycephala Lowell Ahart 1994-6-5 7295 Yuba n side of Forbestown Rd about 3 air mi e Forbestown (n side of Costa Creek); Costa Creek 853 Comment
  JEPS88899  Packera eurycephala var. eurycephala Lowell Ahart 1994-6-5 7295 Yuba n side of Forbestown Rd about 3 air mi e Forbestown (n side of Costa Creek); Costa Creek 853 Comment
  CAS-BOT-BC316983  Packera layneae Lowell Ahart 1980-6-19 2409 Yuba 4 miles east of Challenge 900 Comment
  UC1728262  Packera layneae Al Franklin 1997-7-1 97138 Yuba on Ponderosa Way just n La Porte Rd.; Brownsville, Recreation Park Comment
  CHSC78364  Panicum acuminatum var. acuminatum Lowell Ahart 2000-6-19 8492 Yuba In a meadow, about 100 yards north of New York Flat Road, about 1 1/4 miles (air) northeast of Brownsville, about 2 1/4 miles (air) west of Challenge. 731 Comment
  UCD32863  Panicum acuminatum var. fasciculatum Beecher Crampton 1964-10-22 7222 Yuba 3 miles east of Browns Valley, dry creek bed Comment
  UCD88531  Panicum acuminatum var. fasciculatum Beecher Crampton 1966-6-14 7745 Yuba 1 mile east of Brownsville on La Porte road. 731 Comment
  UCD89503  Panicum capillare Beecher Crampton 1964-10-22 7226 Yuba 3 miles east of Brown's Valley. Comment
  UCD89509  Panicum capillare Floyd Forbes 1922-7-6 s.n. Yuba Marysville. Comment
  UCR201937  Panicum capillare George K. Helmkamp, E. A. Helmkamp 2008-10-6 14204 Yuba Sacramento Valley, junction of CA-65 and Ostrom No. 3 Road, southeast of Olivehurst 24 Comment
  CAS-BOT-BC253827  Panicum dichotomiflorum Lowell Ahart 1977-8-31 1546 Yuba Sam Shintaffer Farm, 2 miles NE of Marysville 30 Comment
  CHSC76115  Panicum dichotomiflorum subsp. dichotomiflorum Lowell Ahart 1999-9-5 8198 Yuba On the south side of Woodruff Lane, just west of Kimball Lane, about 5 miles (air) northeast of Marysville. 24 Comment
  CDA6385  Parentucellia viscosa L. P. Janeway 2006-5-24 8635 Yuba Northern Sierra Nevada Foothills; Dougherty Hill Wildlife Area, Donovan Hill Unit; east of Los Verjeles Road 1.25 km north of Loma Rica Road. Comment
  CHSC108224  Parentucellia viscosa Lowell Ahart 2011-6-7 17415 Yuba North of a willow shrub, just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  JEPS108544  Parentucellia viscosa L. P. Janeway 2006-5-24 8635 Yuba Northern Sierra Nevada Foothills. Dougherty Hill Wildlife Area, Donovan Hill Unit; east of Los Verjeles Road 1.25 km north of Loma Rica Road. In nearby pastures 241 Comment
  JEPS113394  Parentucellia viscosa Lowell Ahart 2007-5-14 13856 Yuba In the center of a dirt road, 60 yards north of the third power tower, about 1/2 mile north of Fruitland Road, about 13 1/2 miles (air) northeast of Marysville 29 Comment
  RSA726964  Parentucellia viscosa L. Ahart 2007-5-14 13856 Yuba About 1/2 mile north of Fruitland Road, about 13.5 miles (air) northeast of Marysville. 29 Comment
  UCD168080  Paspalum dilatatum James Neilson 1961-10-16 461 Yuba Near Hallwood. 5 mi. east of Marysville, Hi. 20.. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD88732  Paspalum dilatatum Beecher Crampton 1964-10-22 7227 Yuba 3 miles east of Brown's Valley Dry Creek. Comment
  UCD88742  Paspalum dilatatum L. Osborn 1951-11-27 s.n. Yuba Sid Smith's Ranch. Comment
  CHSC10747  Paspalum distichum Lowell Ahart 1966-9-4 Yuba Sam Shintaffer Ranch. 39 Comment
  UC1108681  Paspalum distichum H. R. Bennett 1954-8-6 Yuba 4 mi ne Marysville 22 Comment
  CHSC116215  Paspalum urvillei Lowell Ahart 2015-6-16 20246 Yuba Near the water ditch, about 100 yards south of the poor dirt road, about 3/4 mile southeast of the intersection of Weiss Road and Forbestown Road, about 2 miles (air) southwest of Forbestown. 829 Comment
  CAS-BOT-BC202812  Paxistima myrsinites Lillian S. Mott 1966-3-6 s.n. Yuba Willow Creek near Camptonville Comment
  CHSC109347  Paxistima myrsinites Karen Callahan 2011-8-12 24 Yuba Near Pendola Road, Rd 3119, about 1 mile from Hwy. 49 intersection, NW of Camptonville. Close to bridge over confluence of Brandy Creek and Willow Creek. 792 Comment
  CHSC59309  Paxistima myrsinites L. P. Janeway; Jean Witzman, Robin Fallsheer 1992-4-15 4152 Yuba Southwest side of Slapjack Creek, 1 mi southeast of Woodleaf. On slope near the creek. 899 Comment
  JEPS94627  Paxistima myrsinites Lowell Ahart 1997-8-7 7832 Yuba about 3 air mi e Challenge (on w side of dirt rd., on s side of creek); Indian Creek 762 Comment
  CHSC43517  Pedicularis densiflora Lowell Ahart 1972-4-28 92 Yuba About 3 miles north-east of Strawberry Valley, along the road to Slate Creek. 914 Comment
  CHSC117657  Pedicularis racemosa Lowell Ahart 2016-9-9 21343 Yuba On the east side of road, after crossing Slate Creek on Old County Road to Scales, take first road to the right and go about 1/2 mile, near Stowman Ravine, about 3 miles (air) southwest of Poverty Hill Mine, about 8 miles (air) southwest of La Porte. 1214 Comment
  CAS-BOT-BC69326  Pellaea brachyptera Lowell Ahart 1978-11-8 s.n. Yuba On north side of the first falls on Gold Run Creek 1300 Comment
  RSA716503  Pellaea mucronata L. Ahart 2005-3-11 11613 Yuba About 1/2 mile west of Marysville Road, about 1/2 mile north of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Managment Area, about 1/2/ mile north of Loma Rica Road, about 5 air miles northeast of Loma Rica 395 Comment
  CHSC68464  Pellaea mucronata var. californica Lowell Ahart; Barbara Castro, Dan Barth, Diane Mastalir 1997-4-6 7731 Yuba Along the south side of Dry Creek, north of the poor dirt road, about 1 mile east of Scott Forbes Road (Long Bar Road), about 17 miles northeast of Marysville. 121 Comment
  CHSC68465  Pellaea mucronata var. mucronata Lowell Ahart; Barbara Castro, Dan Barth, Diane Mastalir 1997-4-6 7733 Yuba Along the south side of Dry Creek, north of the poor dirt road, about 1 mile east of Scott Forbes Road (Long Bar Road), about 17 miles northeast of Marysville. 121 Comment
  JEPS94942  Pellaea mucronata var. mucronata Lowell Ahart, Barbara Castro, Dan Barth, Diane Mastalir 1997-4-6 7731 Yuba along s side of creek about 1 mi below Scott Forbes Road (Long Bar Road) (n of the poor dirt road, about 17 mi e of Marysville); Dry Creek 121 Comment
  JEPS35169  Pellaea mucronata var. mucronata Mrs. S. M. Rust Yuba Comment
  SEINET211417 Image available Penstemon azureus James L. Reveal 1971-6-23 2477 Yuba Along California Highway 49, 0.5 mile north of the south Yuba River along a roadcut, about 7 miles north of Yuba City 366 Comment
  UC1063277  Penstemon azureus var. angustissimus A. E. Wieslander 1935-6-19 320 Yuba 2 mi s Kentucky House; Smartsville Quad., s of Kentucky House Comment
  UCD23252  Penstemon heterophyllus var. purdyi W. R. Powell 1968-5-15 1496 Yuba 2 miles NE of Dobbins on Fountain House Road. 792 Comment
  CHSC115299  Penstemon laetus Lowell Ahart 2015-4-30 20136 Yuba On dry soil, road cut, on the east side of La Porte Road, about 2 1/4 miles (air) southwest of Brownsville, about 2 miles (air) northeast of Rackerby. Foothill Woodland. 504 Comment
  JEPS123879  Penstemon laetus var. leptosepalus Lowell Ahart 2015-4-30 20136 Yuba About 2 1/4 miles (air) southwest of Brownsville, about 2 miles (air) northeast of Rackerby. Comment
  JEPS34539  Penstemon laetus var. leptosepalus Freed W. Hoffman 1946-6-12 917 Yuba on the road to Dobbins a few mi w Camptonville; lower Sierra Nevada, w of Camptonville on rd to Dobbins Comment
  NY604505  Penstemon laetus var. leptosepalus K. A. Vincent 1987-6-24 4431 Yuba Sierra Nevada, New York Flat; along north side of LaPorte Road (CA E21) at jct. New York House (Rd.) ca. 1.8 miles west of Challenge. 731.5 Comment
  RSA668196  Penstemon laetus var. leptosepalus Karl Vincent, Charlotte A. Labbe 1987-8-10 4504 Yuba Sierra Nevada, New York Flat. Along N side of LaPorte Rd (CA E21) at jct. New York House (Rd.) ca 1.8 mi W of Challenge. 732 Comment
  SEINET11262106  Penstemon neotericus George K. Helmkamp, E. A. Helmkamp 2007-5-26 12146 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, just north of the Nevada Co line, beside Oregon Creek and Oregon Creek campground. Camptonville 7.5' Q.; 0 430 Comment
  UCR195157  Penstemon neotericus George K. Helmkamp, E. A. Helmkamp 2007-5-26 12146 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, just north of the Nevada Co. line; beside Oregon Creek and Oregon Creek campground 430 Comment
  JEPS107678  Pentagramma triangularis subsp. triangularis Lowell Ahart 2005-3-11 11601 Yuba On W side of large rock outcrop, just E of the poor dirt road, ca. 1/2 mi W of Marysville Rd, ca. 1/2 mi N of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, ca. 1/2 mi N of Loma Rica Rd, ca. 5 mi (air) NE of Loma Rica 386 Comment
  CHSC107426  Perideridia bacigalupii L. P. Janeway 2011-8-10 10644 Yuba Northern High Sierra Nevada. Plumas National Forest; serpentine slope on southeast side of Road 19N04 1.3 km north of Challenge-La Porte road; 2.2 air km northeast of Challenge. 1023 Comment
  CAS-BOT-BC222716  Perideridia gairdneri subsp. gairdneri Lowell Ahart 1981-6-13 2849 Yuba Near McGinn Hill, Loma Rica 300 Comment
  CHSC105608  Perideridia kelloggii L. P. Janeway 2010-11-8 10139 Yuba Northern High Sierra Nevada. Plumas National Forest; under the power lines about 150 m northwest of Oregon Hill Road 2.2 road km north of Marysville Road; about half was between Oregon Peak and Summit Hill. Springtime seep. 832 Comment
  CHSC108149  Perideridia kelloggii L. P. Janeway 2011-8-15 10649 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.1 air km east of Dobbins, 1.9 air km south-southwest of Oregon Peak, 0.3 km north of Marysville Road. Southwest edge of meadow area, where seasonal drainage occurs and in sheetlfow parts of the meadow. 750 Comment
  UCD18440  Perideridia kelloggii Eric Knapp 2000-1 232 B Yuba Sierra Foothill Research and Extension Center, adjacent to moist seep, SW-facing slope in blue oak, interior live oak woodland. 373 Comment
  JEPS95124  Perideridia lemmonii Lowell Ahart 1997-8-7 7824 Yuba about 3 air mi se of Challenge (on e side of the dirt road, near an unnamed stream, Peterson Ridge Road); Peterson Ridge Road 762 Comment
  JEPS95165  Perideridia lemmonii Lowell Ahart 1997-8-7 7824 Yuba about 3 air mi se of Challenge (on e side of the dirt road, near an unnamed stream, Peterson Ridge Road); Peterson Ridge Road 762 Comment
  UC1389942  Perideridia lemmonii T. I. Chuang and R. Bacigalupi 1963-8-1 5909 Yuba Comment
  CHSC45876  Perideridia parishii subsp. latifolia Lowell Ahart 1980-8-12 2530 Yuba Near the edge of the dirt road, about 2 miles south-east of Woodleaf. 731 Comment
  CAS-BOT-BC418857  Persicaria hydropiperoides Lowell Ahart 1977-8-31 s.n. Yuba 2 miles north-east of Marysville 30 Comment
  CHSC81810  Persicaria lapathifolia Lowell Ahart 2001-11-2 9394 Yuba Camp Far West Reservoir, about 1/4 mile northeast of the dam, about 9 miles (air) southeast of Wheatland. 83 Comment
  JEPS124263  Persicaria maculosa Lowell Ahart 2015-11-19 20677 Yuba West side of Lake Francis, about 1 1/2 miles south of Dobbins. Comment
  CAS-BOT-BC419170  Persicaria maculosa W. V. Middlekauff 1954-9-11 s.n. Yuba 3 miles n.w. of Rio Oso Post Office Comment
  HSC17530  Persicaria maculosa C. B. Wolf 1927-11-5 1438 Yuba Road to Brown's Valley, 8 mi. from Marysville Comment
  CAS-BOT-BC419309  Persicaria punctata A. Starker Leopold 1956-7-18 s.n. Yuba 3 miles n.w. of Rio Oso Post Office Comment
  JEPS124320  Persicaria punctata Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-11-14 20640 Yuba Lake Francis, about 1 1/2 miles south of Dobbins. Comment
  UCD99783  Persicaria punctata G. K. Helmkamp; E. A. Helmkamp 2006-10-10 11528 Yuba Northern Sierra Nevada Mountains Foothills; along Hwy CA-49 just north of the Nevada County line at the Middle Yuba River bridge. 451 Comment
  UCD99789  Persicaria punctata G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12826 Yuba Northern Sierra Nevada Mountains Foothills: Mountain House Road 0.6 mile west of the county line. Sleighville area beside Willow Creek. 1021 Comment
  CHSC108226  Petrorhagia dubia Lowell Ahart 2011-6-7 17388 Yuba On the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  JEPS118316  Petrorhagia dubia Lowell Ahart 2011-6-7 17388 Yuba On the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville 66 Comment
  JEPS23244  Petrorhagia dubia Herbert L. Mason 1927-5-11 3735 Yuba flat w North San Juan; w of North San Juan Comment
  RSA0012079  Petrorhagia dubia George K. Helmkamp, E. A. Helmkamp 2011-5-6 17207 Yuba junction of Camp Far West Road and Spenceville Road, 5.4 mi. NE (47 deg ) of Wheatland. 56 Comment
  UC1076251  Petrorhagia dubia Herbert L. Mason 1927-5-11 3735 Yuba flat w North San Juan; flat w of North San Juan Comment
  UC592758  Petrorhagia dubia Carl B. Wolf 1937-5-13 8632 Yuba on road to Stanfield Hill 2 mi above Browns Valley; Sierra Nevada foothills, above Browns Valley 121 Comment
  UCD37858  Petrorhagia dubia Beecher Crampton 1962-4-24 6264 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  UCR169013  Petrorhagia dubia David Charlton 2005-5-16 8001 A Yuba Sacramento Valley, Yuba Gold Field; just south of Yuba River; c. 7.5 mi ENE of Marysville; N of Beale Air Force Base; Survey area c. 2 miles by 1 mile 46 Comment
  UCR231321  Petrorhagia dubia George K. Helmkamp, E. A. Helmkamp 2011-5-6 17207 Yuba East edge of Sacramento Valley, junction of Camp Far West Road and Spenceville Road, 5.4 mi. NE (47 deg. ) of Wheatland 56 Comment
  POM244285  Petrorhagia dubia C. B. Wolf 1937-5-13 8632 Yuba Sierra Nevada Foothills, 2 miles above Browns Valley on road to Stanfield Hill. 122 Comment
  SEINET5337024  Petrorhagia dubia D. Selleck 1979-4-27 s.n. Yuba Sierra Field Station-UC Davis Comment
  SEINET5337378  Petrorhagia dubia W. Short 1959-4-11 s.n. Yuba 5 miles west of Smartville, Calif. on California highway 20. 366 Comment
  UCD98394  Petrorhagia dubia Barbara Yungert 1974-4-12 24 Yuba Along four wheel drive road, north of Yuba River, F-2 project area, Sierra Foothill Field Station. Comment
  UCSB50207  Petrorhagia dubia Gray, John 1976-4-10 Yuba Along roadside on Loma Rica Road; 4 miles south of Loma Rica 42 Comment
  CDA40345  Phacelia cicutaria var. cicutaria T. C. Fuller 2005-3-11 11618 Yuba Rock outcrop, west of a large rock outcrop, about 1/2 mile west of Marysville Road, about 1/2 mile north of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 1/2 mile north of Loma Rica Road, about 5 miles (air) northeast of Loma Rica. Comment
  CHSC68480  Phacelia cicutaria var. cicutaria Lowell Ahart; Barbara Castro, Dan Barth, Diane Mastalir 1997-4-6 7726 Yuba On the bank of the Browns Valley Water Ditch, north of the poor dirt road, south of Dry Creek, about 1 1/4 miles east of Scott Forbes Road (Long Bar Road), about 17 miles northeast of Marysville. 198 Comment
  JEPS107366  Phacelia cicutaria var. cicutaria Lowell Ahart 2005-3-11 11618 Yuba Rock outcrop, W of large rock outcrop, ca. 1/2 mi W of Marysville Rd, ca. 1/2 mi N of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, ca. 1/2 mi N of Loma Rica Rd, ca. 5 mi (air) NE of Loma Rica 393 Comment
  JEPS94319  Phacelia cicutaria var. cicutaria Lowell Ahart, Barbara Castro, Dan Barth, Diane Mastalir 1997-4-6 7726 Yuba about 17 mi ne of Marysville (on bank of Browns Valley Water Ditch, n of the poor dirt road, s of Dry Creek, about 1 1/4 mi e of Scott Forbes Road (Long Bar Road)); Browns Valley Water Ditch 198 Comment
  UC1069332  Phacelia cicutaria var. cicutaria M. A. Elvin 1933-6-7 26 Yuba 4 mi sw Courtney Creek; Smartsville Quadrangle Comment
  UCD37873  Phacelia egena Beecher Crampton 1962-4-24 6293 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  UCR194904  Phacelia hastata var. compacta George K. Helmkamp, E. A. Helmkamp 2007-5-26 12143 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, just north of the Nevada Co. line; beside Oregon Creek and Oregon Creek campground 430 Comment
  CHSC116594  Phalaris aquatica L. P. Janeway 2015-6-30 11789 Yuba Northern High Sierra Nevada. Plumas National Forest; Weiss Hill Meadow, a large meadow 600 air-km east-southeast of junction of Weiss Hill Road and Forbestown Road; at the head of a minor northwestern tributary to New York Creek. 853 Comment
  CHSC8261  Phalaris aquatica J. G. Moore 1969-5-4 35 Yuba Hwy. 20, 300 yds. w of 7 mi. House on s side of road growing in ditch next to rice fields. [Label incorrectly says Nevada County]. 91 Comment
  HSC10569  Phalaris aquatica T. F. Newman 1965-6-6 6512 Yuba Lone Tree Rd., 15 mi. NE of Marysville. Comment
  CHSC96991  Phalaris arundinacea L. P. Janeway; Lowell Ahart, Linnea Hanson 2007-7-13 9117 Yuba Northern High Sierra Nevada. Plumas National Forest; Hampshire Creek meadow, 1.5 air km east of Clipper Mills and 1.8 air km northwest of North Yuba River. Just east of the road crossing the meadow. 1026 Comment
  JEPS113405  Phalaris minor Lowell Ahart 2007-5-14 13843 Yuba East of the dirt road, 20 yards northeast of the gate, about 20 yards south of the power tower, about 30 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 35 Comment
  RSA726958  Phalaris minor L. Ahart 2007-5-14 13843 Yuba About 13 miles (air) northeast of Marysville. 36 Comment
  CAS-BOT-BC72716  Philadelphus lewisii Lewis S. Rose 1939-6-7 39237 Yuba N. Fork of Feather River, 3 mi. S. of Pulga 609 Comment
  UCR194907  Philadelphus lewisii George K. Helmkamp, E. A. Helmkamp 2007-5-26 12130 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, 1.3 miles south of Camptonville 802 Comment
  RSA0059870  Philadelphus lewisii R. C. Bacigalupi 1927-7-2 1594 Yuba Highway to Downieville about 8 mi NE of Camptonville. Comment
  UCD89619  Phleum pratense Beecher Crampton 1965-6-17 7386 Yuba 3.8 miles s.e. of Bangor, Las Vergeles Road. Comment
  CHSC10810  Phlox speciosa subsp. occidentalis Lowell Ahart 1969-4-8 Yuba Near Dobbins. 365 Comment
  CAS-BOT-BC134914  Phoradendron bolleanum C. B. Wolf; E. R. Johnson 1934-10-4 6158 Yuba N side of Indiana Creek, 1.7 mi W of Indiana Ranch, Sierra Foothills 548 Comment
  RSA12711  Phoradendron densum Carl B. Wolf, E. R. Johnson 1934-10-4 6158 Yuba N side of Indiana Creek, 1.7 miles W of Indiana Ranch. Sierra Foothills. 549 Comment
  CHSC69148  Physocarpus capitatus Lowell Ahart 1997-8-9 7839 Yuba Along a unnamed creek, about two miles (air) southeast of Woodleaf. 701 Comment
  CHSC113672  Phytolacca americana L. P. Janeway 2014-5-20 11258 Yuba Northern High Sierra Nevada. Plumas National Forest; 1.9 air-km southeast of Pike County Peak, 4.1 air-km southeast of Challenge; near Road 19N38. 928 Comment
  CHSC69143  Phytolacca americana Lowell Ahart 1997-8-7 7820 Yuba On the east side of a small stream, a branch of Little Oregon Creek, on the south side of the dirt road, Peterson Ridge Road, about 3 miles (air) southeast of Challenge. 762 Comment
  CHSC43412  Pickeringia montana Lowell Ahart 1975-6-25 812 Yuba Near the Brownsville dump, about 2 miles west of Brownsville. 487 Comment
  JEPS113775  Pilularia americana Lowell Ahart 2007-5-12 13765 Yuba Bottom of a scraped area, about 30 feet east of a culvert, about 50 yards north of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  CAS-BOT-BC79015  Pinus ponderosa Alice Eastwood 1918-4-7 6805 Yuba Camptonville Comment
  UCD139003  Piperia elegans Kenneth Stewart 1964-6-26 s.n. Yuba 2 miles northeast of Challenge. Comment
  CAS-BOT-BC136610  Piperia michaelii Alice Eastwood 1921-5-22 10560 Yuba Field redacted by CAS, contact the data manager for more information Comment
  CHSC71406  Piperia transversa Lowell Ahart 1998-7-19 8051 Yuba On the north side of the dirt road, about 3/4 mile southeast of Woodleaf. 960 Comment
  JEPS125849  Piperia transversa Dean W. Taylor 2001-7-31 17850 Yuba Rock Creek canyon on the Yuba County side, ca 2 air miles SW of Union Hill. Comment
  SD237382  Plagiobothrys David Charlton 2005-5-16 8012 Yuba Sacramento Valley: Yuba Gold Field; just S of Yuba River; ca. 7.5 miles ENE of Marysville; N of Beale Air Force Base; Survey area ca. 2 mi by 1 mi (Browns Valley 7.5'Q) 35 Comment
  UCR169028  Plagiobothrys David Charlton 2005-5-16 8012 Yuba Sacramento Valley, Yuba Gold Field; just south of Yuba River; c. 7.5 mi ENE of Marysville; N of Beale Air Force Base; Survey area c. 2 miles by 1 mile 46 Comment
  UCD37887  Plagiobothrys Beecher Crampton 1962-4-24 6313 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  SJSU5649  Plagiobothrys bracteatus L. S. Rose 1967-6-13 67128 Yuba Camp Far West Reservoir 7 mi NE of Wheatland 121 Comment
  CDA31977  Plagiobothrys fulvus L. Ahart 2007-5-12 13777 Yuba Along road to the power towers, about 100 yards north of the first power tower, about 150 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. Comment
  CHSC68471  Plagiobothrys fulvus Lowell Ahart; Barbara Castro, Dan Barth, Diane Mastalir 1997-4-6 7728 Yuba North of the poor dirt road, south of Dry Creek, about 1 1/4 miles east of Scott Forbes Road (Long Bar Road), about 17 miles northeast of Marysville. 137 Comment
  RSA726544  Plagiobothrys fulvus L. Ahart 2007-5-12 13777 Yuba About 13 miles (air) northeast of Marysville. 36 Comment
  CHSC96493  Plagiobothrys glyptocarpus var. glyptocarpus Lowell Ahart 2007-4-17 13682 Yuba Along a small wash, about 1/8 mile west of Marysville Road and the Parking Area, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 5 1/2 miles (air) northeast of Loma Rica. 292 Comment
  CHSC97456  Plagiobothrys glyptocarpus var. glyptocarpus Lowell Ahart 2007-5-12 13780 Yuba Bottom of a swale, about 100 yards southwest of the second power tower, about 300 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  CHSC97631  Plagiobothrys greenei Lowell Ahart 2007-5-12 13778 Yuba Scraped area, about 30 feet east of a culvert, about 50 yards north of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  JEPS113632  Plagiobothrys greenei Lowell Ahart 2007-5-12 13778 Yuba Bottom of a scraped area, about 30 feet east of a culvert, about 50 yards north of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  RSA0115337  Plagiobothrys greenei George K. Helmkamp, E. A. Helmkamp 2011-4-10 17167 Yuba Sacramento Valley: along Camp Beale Highway/Spenceville Rd., c. 1.75 miles northeast of Wheatland. 44 Comment
  SEINET7075552  Plagiobothrys greenei A. G. Vestal 1955-4-4 s.n. Yuba About 9 miles northeast of Marysville on Route 20. 39? deg. 13' 38" North Latitude, -121? deg. 24' 51" West Longitude. UTM Zone 10, 636890mE, 4342994mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC228240  Plagiobothrys hispidulus Lowell Ahart 1980-8-12 2569 Yuba Along Slate Creek 1250 Comment
  CHSC46764  Plagiobothrys hispidulus Lowell Ahart 1980-8-12 2569 Yuba On a gravel bar across Slate Creek, west of Gold Run Creek, east of Onion Creek, about 7 miles south of La Porte. 1158 Comment
  UCD120935  Plagiobothrys nothofulvus Barbara Yungert 1974-4-4 2 Yuba Along four wheel drive road, north of Yuba River, Sierra Foothill Field Station. Comment
  CAS-BOT-BC523899  Plagiobothrys stipitatus var. micranthus George K. Helmkamp; Amy Barnes 2013-3-28 20250 Yuba Eastern Sacramento Valley: northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  CDA40653  Plagiobothrys stipitatus var. micranthus L. Ahart 2002-6-3 9688 Yuba On the bottom of the pond spillway, second small man made pond, about 1/4 mile south of Long Ravine Road, about 1/8 mile east of the intersection of Camp Far West Road and Long Ravine Road there is a poor Texas gate on the south side of the road, north of Camp Far West Reservoir. Comment
  CHSC115204  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2015-4-30 20132 Yuba On the west side of the quarry, about 1 1/4 miles (air) southwest of the Bullard Bar Dam, about 3 miles (air) northeast of Dobbins. 709 Comment
  HSC100755  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2011-6-7 17387 Yuba 150 yd. W of S end of Parks Bar Bridge (Hwy. 20), 15 (air) mi. NE of Marysville. 66 Comment
  JEPS118288  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2011-6-7 17387 Yuba Bottom of a depression at the base of cliffs, to the north is a huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville 66 Comment
  JEPS123937  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2015-4-30 20132 Yuba About 1 1/4 mile (air) southwest of the Bullards Bar Dam, about 3 miles (air) northeast of Dobbins. Comment
  RSA0107418  Plagiobothrys stipitatus var. micranthus George K. Helmkamp, Amy Barnes 2013-3-28 20250 Yuba Eastern Sacramento Valley: northbound exit road from CA-65, connecting with Forty Mile Road. 30 Comment
  RSA795347  Plagiobothrys stipitatus var. micranthus L. Ahart 2011-6-7 17387 Yuba Bottom of a depression at the base of cliffs, to the north is a huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 air miles northeast of Marysville. 66 Comment
  SEINET10781222  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2011-6-7 Ahart 17387 Yuba T16N, R6E, northeast 1/4 Section 30. Normal size plants, on good soil, bottom of a depression at the base of cliffs, to the north is a huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bark Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. Riparian Woodland. 66 Comment
  SEINET7072716  Plagiobothrys stipitatus var. micranthus A. G. Vestal 1963-5-7 s.n. Yuba About 1.7 miles west of Honcut on the Lower Honcut Road. UTM Zone 10, 623885E, 4353199mN. Coordinate datum: NAD 27. Comment
  JEPS94324  Plagiobothrys tenellus Lowell Ahart, Barbara Castro, Dan Barth, Diane Mastalir 1997-4-6 7735 Yuba about 17 mi ne of Marysville ( along s side of Dry Creek, n of the poor dirt road, about 1 mi e of Scott Forbes Road (Long Bar Road)); Dry Creek 121 Comment
  CHSC97478  Plantago erecta Lowell Ahart 2007-5-12 13803 Yuba About 20 yards northeast of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  UCD124500  Plantago erecta Barbara Yungert 1973-5-3 109 Yuba west of road near cattle guard and U.C. sign, west of station, Sierra Foothill Field Station. Comment
  JEPS113485  Plantago lanceolata Lowell Ahart 2007-6-30 14231 Yuba Near a new ditch, near and east of a new road pad, about 350 yards west of the power tower, about 50 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  CHSC106054  Platanthera leucostachys Lowell Ahart 2010-7-27 16918 Yuba Along small streams in the meadow, on the north side of Scales Road, about 1/8 mile east of La Porte Quincy Road, about 3 miles (air) east of Sly Creek Reservoir Dam. 1219 Comment
  CHSC63204  Platanthera leucostachys Lowell Ahart 1994-6-27 7390 Yuba Near the south-east side of Schwartz Meadow, on the east side of La Porte Road, about 4 miles north-east of Strawberry Valley. 1219 Comment
  UCD35774  Platanus racemosa Beecher Crampton 1962-4-24 6287 Yuba 5 miles E of Browns Valley. Sierra Foothill Range Field Station. Comment
  UCD82075  Platystemon californicus Robin McMaster 1973-4-7 221 Yuba Browns Valley, Peoria Cemetery. Comment
  UCD137570  Plectritis ciliosa Kathleen Keliher 1975-4-1 51 Yuba up slope of picnic area, H 8-11 project area, Sierra Foothill Field Station. 152 Comment
  UCD137572  Plectritis ciliosa Kathleen Keliher 1975-4-11 57 Yuba along dirt road, ca. 1 mile from picnic area, F-2 project area, Sierra Foothill Field Station. 152 Comment
  CAS-BOT-BC255062  Poa compressa Lowell Ahart 1977-11-13 s.n. Yuba Found about 5 miles E of Strawberry Valley, near the bridge across Slate Creek, near the edge of the road 1000 Comment
  JEPS115067  Poa palustris Lowell Ahart 2007-11-1 14538 Yuba On the south side of Willow Creek, above the high water line of Bullards Bar Reservoir, about 1 mile northwest of Old Camptonville Road, about 1 1/2 miles (air) west of Camptonville 627 Comment
  CAS-BOT-BC255963  Poa pratensis Lowell Ahart 1979-6-3 s.n. Yuba 1 mi. S of Challenge 700 Comment
  CHSC44587  Poa pratensis Lowell Ahart 1979-6-25 1942 Yuba About 1 mile south of Challenge, in a logged over area. 640 Comment
  CHSC112127  Poa pratensis subsp. angustifolia L. P. Janeway; James Nixon, Eduardo Gonzales 2014-6-2 11428 Yuba Northern High Sierra Nevada. Plumas National Forest; meadow opening just northeast of Little Oregon Creek and 0.2 km east of Oregon Hill Road; 7.3 air-km southeast of Challenge. 625 Comment
  CDA18857  Poa pratensis subsp. pratensis J. Horenstein 1999-6-9 s.n. Yuba Wetland, just north of bridge over Cock's Creek, Spenceville Wildlife Area. 0 Comment
  UCD92142  Poa secunda subsp. secunda Barbara Yungert 1974-5-6 G- 4 Yuba Sierra Foothill Field Station. South of wire gate, Kock Livestock project area. Comment
  JEPS126008  Poa trivialis D. W. Taylor 2001-6-19 17795 Yuba Ca 3 air miles SW of Union Hill; creek along Forest Road 20N35 tributary to Brushy Creek near Daimond Ravine. Comment
  UCR168804  Pogogyne ziziphoroides David Charlton 2005-5-16 8027 B Yuba Sacramento Valley, Yuba Gold Field; just south of Yuba River; c. 7.5 mi ENE of Marysville; N of Beale Air Force Base; Survey area c. 2 miles by 1 mile 46 Comment
  CHSC43322  Polygala cornuta Lowell Ahart 1977-7-31 1506 Yuba On the banks of a stream, about 1 mile south of Challenge. 640 Comment
  CDA43443  Polygala cornuta Jan Kendal 2015-5-27 PDR# 510 P06303312 Yuba Loma Rica. 0 Comment
  SEINET9323173  Polygala cornuta Unknown 1981-6-22 3044 Yuba Oregon Hill Road Comment
  CAS-BOT-BC170374  Polygala cornuta var. cornuta Clarence R. Quick 1965-7-28 65 -22 Yuba Ca. 1.5 miles south of North Star on Peterson Ridge, off LaPorte Road, NE of Challenge - Sierra Nevada Comment
  CAS-BOT-BC170375  Polygala cornuta var. cornuta Lowell Ahart 1979-6-25 s.n. Yuba 2 miles east of Challenge 700 Comment
  CAS-BOT-BC170376  Polygala cornuta var. cornuta Lowell Ahart 1977-7-31 156 Yuba About one mile south of Challenge 700 Comment
  CHSC69145  Polygala cornuta var. cornuta Lowell Ahart 1997-8-7 7811 Yuba On the north side of the dirt road, Peterson Ridge Road, about 3 miles (air) southeast of Challenge. 762 Comment
  JEPS94513  Polygala cornuta var. cornuta Lowell Ahart 1997-8-7 7811 Yuba about 3 air mi se of Challenge (on n side of the dirt road, Peterson Ridge Road); Peterson Ridge Road 762 Comment
  UCD80654  Polygala cornuta var. cornuta CNPS SN Foothill Team 2005-5-31 SNFN 0330 c Yuba BLM, Ponderosa Landfill, near the southeast corner of the parcel (east of the defunct landfill). The plot is to the north of an old dirt road that runs to the southeast corner. 685 Comment
  JEPS113618  Polygonum arenastrum Lowell Ahart 2007-5-12 13809 Yuba Along road to the power towers, about 100 yards north of the first power tower, about 150 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 35 Comment
  UCD100028  Polygonum aviculare subsp. depressum G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12825 Yuba Northern Sierra Nevada Mountains Foothills: Mountain House Road 0.6 mile west of the Sierra Co. line; Sleighville area beside Willow Creek. 1021 Comment
  RSA654916  Polygonum californicum Beecher Crampton 1952-10-31 901 Yuba Yolo County: Dry adobe, alkaline soil, where water has stood, Yolo Causeway, 5 miles E of Davis Comment
  RSA97517  Polygonum californicum Beecher Crampton 1952-10-31 901 Yuba Yolo County: Dry adobe, alkaline soil, where water has stood, Yolo Causeway, 5 miles E of Davis Comment
  RSA726959  Polygonum convolvulus L. Ahart 2007-5-14 13842 Yuba About 13 miles (air) northeast of Marysville. 36 Comment
  CDA6938  Polygonum hydropiper G. K. Helmkamp, E. A. Helmkamp 2006-10-1 11528 Yuba Northern Sierra Nevada Mountain Foothills; Along Highway CA-49 just north of the Nevada County line at the Middle Yuba River bridge. Comment
  JEPS102531  Polygonum lapathifolium Lowell Ahart 2001-11-2 9394 Yuba Camp Far West Reservoir, about 1/4 mile northeast of the dam, about 9 miles (air) southeast of Wheatland. 83 Comment
  CDA19038  Polygonum lapathifolium Schwall, Johnson 2000-10-16 PDR 007596 Yuba Sacramento Valley; At Greenhead Land Co., North Butte Rd., Live Oak. 0 Comment
  CHSC45953  Polygonum minimum Lowell Ahart 1980-8-12 2542 Yuba Growing on a large gravel bar that is formed from a debris dam across Slate Creek, a little below where Gold Run Creek flows into Slate Creek, above Onion Creek, about 7 miles south of La Porte. 1158 Comment
  CHSC45470  Polygonum parryi Lowell Ahart 1980-8-12 2541 Yuba Growing on a large gravel bar that is formed from a debris dam across Slate Creek, a little below where Gold Run Creek flows into Slate Creek, above Onion Creek, about 7 miles south of La Porte. 1158 Comment
  JEPS50639  Polygonum persicaria W. L. Jepson 1934-7-29 16755 Yuba Marysville Comment
  JEPS95857  Polygonum persicaria Lowell Ahart 1999-9-17 8242 Yuba south of Woodruff Lane; just east of Mathews Road; east of Sam Shintaffer's rice dryer; about 5 miles (air) northeast of Marysville 24 Comment
  UCR191120  Polygonum punctatum George K. Helmkamp, E. A. Helmkamp 2007-8-29 12826 Yuba Northern Sierra Nevada Mountains Foothills, Mountain House Road 0.6 mile west of the Sierra Co. line; Sleighville area beside Willow Creek 1021 Comment
  SEINET13710837  Polygonum punctatum Lowell William Ahart, Lowell William Ahart 1999-1 8243 Yuba 5 Air Mi. NE of Marysville Comment
  JEPS35373  Polypodium calirhiza Mrs. S. M. Rust Yuba Comment
  UCD90518  Polypogon australis Beecher Crampton 1965-6-17 7374 Yuba Ca. 3/4 mile north of Stanfield Hill, Willow Glen Creek. 396 Comment
  CAS-BOT-BC233032  Polypogon interruptus Lowell Ahart 1979-6-25 s.n. Yuba 2 miles E of Challenge 700 Comment
  CHSC44592  Polypogon interruptus Lowell Ahart 1979-6-25 1951 Yuba Along the gutter of the dirt road, about 2 miles east of Challenge. 640 Comment
  JEPS94354  Polypogon interruptus Lowell Ahart 1997-8-7 7827 Yuba about 3 air mi se of Challenge (on w side of the dirt road, near an unnamed stream, Peterson Ridge Road); Peterson Ridge Road 762 Comment
  SEINET3015523  Polypogon interruptus L. Ahart 1997-8-7 7827 Yuba On the W side of the dirt road, near an unnamed stream, Peterson Ridge Rd, about 3 mi (air) SE of Challenge. 762 Comment
  UCD51641  Polypogon interruptus Beecher Crampton 1962-4-24 6310 Yuba 5 miles E of Browns Valley. Sierra Foothill Range Field Station. Comment
  CAS-BOT-BC232533  Polypogon maritimus Beecher Crampton 1957-6-5 4114 Yuba Along State Highway 20, 10 miles E of Marysville Comment
  CHSC97440  Polypogon monspeliensis Lowell Ahart 2007-5-14 13882 Yuba Dry red bare soil, on the bottom of a swale, about 250 yards west of the power tower, power tower is about 30 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 35 Comment
  JEPS113403  Polypogon monspeliensis Lowell Ahart 2007-5-14 13882 Yuba Dry red bare soil, on the bottom of a swale, about 250 yards west of the power tower, power tower is about 30 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 35 Comment
  SEINET4889801  Polypogon monspeliensis A. Tiehm 1975-1 640 Yuba U.C. Sierra Foothill Field Station 198 Comment
  UCD91415  Polypogon monspeliensis Barbara Yungert 1974-5-9 G- 9 Yuba Near ald spring runoff, F 1-43 project area, Sierra Foothill Field Station. Comment
  CHSC39642  Polystichum imbricans subsp. curtum Tom Hughes 1982-7-18 34 Yuba 1/2 mile north of SR 49 on Pendola Ranch Rd. Comment
  JEPS124289  Polystichum imbricans subsp. curtum Lowell Ahart 2015-10-23 20580 Yuba About 1/4 mile southwest of the Slate Creek Dam, about 2 miles (air) northeast of La Porte Road, about 6 1/4 miles (air) southwest of La Porte. Comment
  UCD136497  Polystichum imbricans subsp. curtum G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12824 Yuba Northern Sierra Nevada Mountains: Mountain House Road 0.6 miles west of the Sierra Co. line; Sleighville area beside Willow Creek. 1021 Comment
  CHSC116296  Polystichum imbricans subsp. imbricans Lowell Ahart 2015-10-23 20579 Yuba On the west side of road to Slate Creek, about 1/8 mile southwest of Slate Creek Dam, about 2 1/8 miles (air) northeast of La Porte Road, about 6 miles (air) southwest of La Porte. 1163 Comment
  JEPS124290  Polystichum imbricans subsp. imbricans Lowell Ahart 2015-10-23 20579 Yuba About 1/8 mile southwest of the Slate Creek Dam, about 2 1/8 miles (air) northeast of La Porte Road, about 6 miles (air) southwest of La Porte. Comment
  UCD162088  Polystichum imbricans subsp. imbricans G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12823 Yuba Northern Sierra Nevada Mountains: Mountain House Road 0.6 miles west of the Sierra Co. line; Sleighville area beside Willow Creek. 1021 Comment
  CHSC69126  Polystichum munitum Lowell Ahart 1997-8-7 7830 Yuba On the west side of the dirt road, on the south side of Indian Creek, about 3 miles (air) east of Challenge. 762 Comment
  JEPS115071  Polystichum munitum Lowell Ahart 2007-11-1 14530 Yuba On the south side of Willow Creek, above the high water line of Bullards Bar Reservoir, about 1 mile northwest of Old Camptonville Road, about 1 1/2 miles (air) west of Camptonville 627 Comment
  CAS-BOT-BC102412  Populus fremontii A. Eastwood 1919-9-1 s.n. Yuba Marysville, along levee Comment
  CAS-BOT-BC102492  Populus fremontii Junea Kelley 1920-4-24 s.n. Yuba Los [Vergils] Verjeles Comment
  JEPS113687  Potamogeton natans Lowell Ahart 2007-8-7 14413 Yuba Hampshire Creek Meadow, about 5 yards west of the dirt road, about 1 mile (air) east of Clipper Mills. In shallow water, on the east side of a small pond, on the west side of the dirt road 1021 Comment
  CAS-BOT-BC453843  Potamogeton nodosus W. V. Middlekauff 1960-6-19 s.n. Yuba 3 miles n.w. of Rio Oso Post Office Comment
  CHSC63165  Potentilla gracilis var. fastigiata Lowell Ahart 1994-6-27 7382 Yuba Along a stream, east of the logging road, east of Schwartz Meadow, on the east side of La Porte Road, about 4 miles north-east of Strawberry Valley. 1219 Comment
  CHSC113663  Poterium sanguisorba L. P. Janeway 2014-5-12 11249 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. 750 Comment
  CHSC84148  Poterium sanguisorba Lowell Ahart 2003-7-1 10339 Yuba About 200 yards south of the 4-H Camp, on the west side of Oregon Hill Road, about 1/2 mile north of Marysville Road, about 2 miles (air) northeast of Dobbins. 815 Comment
  CHSC96415  Poterium sanguisorba L. P. Janeway 2006-5-24 8634 Yuba Northern Sierra Nevada Foothills. South side of Frenchtown Road 1.2 road km northeast of Marysville Road and Oregon House. 483 Comment
  UCD113987  Poterium sanguisorba Barbara Yungert 1974-5-9 144 Yuba Southern SC-14 project area, Sierra Foothill Field Station. Comment
  UCD38715  Prunella vulgaris Beecher Crampton 1957-6-5 4138 Yuba 1 mile east of Stanfield Hill. Comment
  CHSC110322  Prunella vulgaris var. lanceolata L. P. Janeway 2013-6-7 11134 Yuba Northern High Sierra Nevada. Headwaters of Cottage Creek, one of a series of meadows; 0.15 km southwest of Oregon Hill Road, 1.3 air km northeast of Oregon Peak. 815 Comment
  JEPS100264  Prunus avium Dean W. Taylor 2001-5-9 17637 Yuba canyon of the North Fork Yuba River near Kelley Bar, Plumas National Forest 609 Comment
  UC1128490  Prunus subcordata G. Burks 1933-7-26 14 Yuba 1 mi s of Camptonville (Tahoe National Forest); Tahoe National Forest 822 Comment
  CHSC113182  Pseudognaphalium luteoalbum Lowell Ahart 2013-11-30 19310 Yuba On north side of Dry Creek, below the high water line of Collins Lake, about 300 yards north of Marysville Road, about 2 1/2 miles west of Oregon House. 354 Comment
  CHSC97231  Pseudognaphalium luteoalbum Lowell Ahart 2007-6-22 14222 Yuba Bottom of a new ditch, near a new road pad, about 350 yards west of the power tower, about 50 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  JEPS118090  Pseudognaphalium luteoalbum Lowell Ahart 2011-6-7 17376 Yuba West of a willow shrub, Just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville 66 Comment
  CHSC69412  Pseudognaphalium thermale Lowell Ahart 1997-8-30 7881 Yuba On the west side of the dirt road, near a road culvert, about one mile (air) south of Woodleaf. 944 Comment
  CAS-BOT-BC80098  Pseudotsuga menziesii Alice Eastwood 1918-4-7 6806 Yuba Camptonville Comment
  UCD135124  Pseudotsuga menziesii var. menziesii Kathleen Keliher 1975-5-6 91 Yuba Ca. 30 meters from La Porte Road on Forbestown Road, 1 mile east of Woodleaf. 929 Comment
  UCR168802  Psilocarphus brevissimus David Charlton 2005-5-16 8026 Yuba Sacramento Valley, Yuba Gold Field; just south of Yuba River; c. 7.5 mi ENE of Marysville; N of Beale Air Force Base; Survey area c. 2 miles by 1 mile 46 Comment
  SEINET7042623  Psilocarphus brevissimus A. G. Vestal 1963-5-7 s.n. Yuba Ca. 3.5 miles north of Wheatland. Camp Far West quadrangle UTM Zone 10, 640908mE, 4323324mN. Comment
  UCR258551  Psilocarphus brevissimus var. brevissimus George K. Helmkamp, Amy Barnes 2013-3-28 20257 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  CAS-BOT-BC361737  Psilocarphus brevissimus var. brevissimus John Thomas Howell; Gordon H. True 1971-5-26 47608 Yuba About 8 miles east of Marysville 30 Comment
  CDA34542  Psilocarphus oregonus L. Ahart 2007-5-12 13774 Yuba About 20 yards northeast of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. Comment
  CHSC97475  Psilocarphus oregonus Lowell Ahart 2007-5-12 13774 Yuba About 20 yards northeast of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  JEPS113414  Psilocarphus oregonus Lowell Ahart 2007-5-12 13774 Yuba About 20 yards northeast of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  CAS-BOT-BC361914  Psilocarphus tenellus Lowell Ahart 2007-5-12 13773 Yuba Along road to the power towers, about 100 yards north of the first power tower, about 150 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 35 Comment
  CHSC73409  Psilocarphus tenellus var. tenellus B. Castro; L. Gehrung 1995-8-9 601 Yuba Fish Meadow. Ca 5 air mi NE of Strawberry Valley, and ca 1.5 mi E of Slate Ck. In meadow on unnamed stream flowing S into Canyon Ck, ca 500 ft W of USFS Rd 20N35 via unnamed dirt rd. 1249 Comment
  CAS-BOT-BC72537  Pteridium aquilinum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54077 Yuba About 2 miles northeast of Dobbins on Oregon Hill Road in Transition Zone Forest 701 Comment
  CHSC97461  Pteridium aquilinum var. pubescens Lowell Ahart; Lawrence Janeway, Linnea Hanson 2007-9-18 14500 Yuba Under trees, Hampshire Creek Meadow, about 80 yards east of the dirt road, about 1 mile (air) east of Clipper Mills. 1015 Comment
  JEPS115069  Pteridium aquilinum var. pubescens Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-9-18 14500 Yuba Hampshire Creek Meadow, about 80 yards E of the dirt rosd, about 1 mi (air) E of Clipper Mills 1015 Comment
  CHSC63138  Pterospora andromedea Lowell Ahart 1994-6-27 7396 Yuba In forest on the north side of Schwartz Meadow, on the east side of La Porte Road, about 4 miles north-east of Strawberry Valley. 1219 Comment
  JEPS107404  Pterostegia drymarioides Lowell Ahart 2005-3-11 11617 Yuba Large rock outcrop, south slope, about 1/2 mile west of Marysville Road, about 1/2 mile north of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 1/2 mile north of Loma Rica Road, about 5 miles (air) northeast of Loma Rica 395 Comment
  CAS-BOT-BC105018  Quercus X morehus C. R. Quick 1947-10-2 47 -84 Yuba 9-10 mi NE of Brown's Valley, on road to Challenge, just W of Stanfield Hill Comment
  UCD47042  Quercus X morehus Kathleen Keliher 1975-5-31 127 Yuba Along Scotts-Forbes Road, SC-15 project area, Sierra Foorhill Field Station, Yuba County, California. Comment
  UCD40460  Quercus chrysolepis Rodney Gale Myatt 1971-11-1 1524 -5 Yuba Oregon Creek-Middle Fork Yuba River. Yuba River where smaller Oregon Creek is confluent. 640 Comment
  UCD82653  Quercus chrysolepis Rodney Gale Myatt 1971-11-1 1590 -15 Yuba Oregon Creek-Middle Fork Yuba River. Yuba River where smaller Oregon Creek is confluent. 640 Comment
  UCD82666  Quercus chrysolepis Rodney Gale Myatt 1972-1 1484 -6 Yuba Lake Francis. Lower edge of small creek (dry in summer), which empties into a small, damned basin. 550 Comment
  UCD82668  Quercus chrysolepis Rodney Gale Myatt 1973-7-1 1592 -14 Yuba Bullard's Bar Dam. 550 Comment
  UCD82669  Quercus chrysolepis Rodney Gale Myatt 1973-7-1 1592 -9 Yuba Bullard's Bar Dam. 550 Comment
  CAS-BOT-BC86014  Quercus douglasii Carl B. Wolf 1930-10-12 1737 Yuba along Yuba River near Hammonton 152 Comment
  CAS-BOT-BC86015  Quercus douglasii Carl B. Wolf 1930-10-12 1737 Yuba along Yuba River near Hammonton 152 Comment
  CAS-BOT-BC86017  Quercus douglasii Carl B. Wolf 1930-10-12 1739 Yuba along the Yuba River near bridge on Browns Valley to Smartville Road 152 Comment
  RSA1860  Quercus douglasii Carl B. Wolf 1930-10-12 1737 Yuba Along the Yuba River near Hammondon 152 Comment
  UC484022  Quercus douglasii Carl B. Wolf 1930-10-12 Yuba near Hammondon (along Yuba River); Yuba River 152 Comment
  UCD45722  Quercus douglasii Barbara Yungert 1974-6-5 196 Yuba Along Road 4, SC-13 project area, Sierra Foothill Field Station, Yuba County, California. Comment
  SEINET10937811  Quercus durata Mary Susan Taylor, L. Hanson Taylor 3466 Yuba T19N R7E se section 7; Clipper Mills quad. N side of Forbestown-Woodleaf Rd, ca. 3/4 mi E of its jct with Forbestown Rd, ca. 2 mi W of Woodleaf. Open reddish weathered serpentine area; 2800 ft. 853 Comment
  CHSC47426  Quercus durata var. durata Lowell Ahart 1976-7-11 999 Yuba Near the intersection of Forbestown Road and Abernathy Road, about 3 miles north of Challenge. 853 Comment
  CDA22096  Quercus kelloggii H. H. Keifer 1953-10-11 Yuba Lake northeast of Dobbins. 0 Comment
  CDA20045  Quercus lobata P. Akers 2002-9-19 StB- 079 Yuba Sacramento Valley; E of Marysville on Smartville & Beale AFB Rd, 0.1 mi S of Waldo Rd. 94 Comment
Read comments
Jun 12 2008
  CAS-BOT-BC94996  Quercus wislizeni R. C. Wenk 2008-7-18 978 Yuba 5 mi. from Highway 20 going east from Marysville, along Peoria and Scott Forbes Roads 204 Comment
  UCD37875  Quercus wislizeni Beecher Crampton 1962-4-24 6295 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  JEPS107413  Quercus wislizeni var. wislizeni Lowell Ahart 2005-3-11 11621 Yuba On E side of the poor dirt road, ca. 1/2 mi W of Marysville Rd, ca. 1/4 mi N of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, ca. 1/4 mi N of Loma Rica Rd, ca. 5 mi (air) NE of Loma Rica 344 Comment
  JEPS107434  Quercus wislizeni var. wislizeni Lowell Ahart 2005-3-11 11621 Yuba On E side of the poor dirt road, ca. 1/2 mi W of Marysville Rd, ca. 1/4 mi N of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, ca. 1/4 mi N of Loma Rica Rd, ca. 5 mi (air) NE of Loma Rica 344 Comment
  JEPS98461  Ranunculus aquatilis Lowell Ahart 2000-6-11 8466 Yuba 6 air miles S of Smartville (a N branch of Dry Creek, 100 yds W of Smartville Road, 2 mi N of the int of Waldo Road and Smartville Road) 146 Comment
  CHSC78161  Ranunculus aquatilis var. aquatilis Lowell Ahart 2000-6-11 8466 Yuba On the bottom of a deep wash, a north branch of Dry Creek, about 100 yards west of Smartville Road, about 2 miles north of the intersection of Waldo Road and Smartville Road, about 6 miles (air) south of Smartville. 146 Comment
  UCD95785  Ranunculus arvensis Beecher Crampton 1957-6-5 4127 Yuba 2.6 miles northeast of Brown's Valley Post Office. Comment
  CAS-BOT-BC263233  Ranunculus bonariensis var. trisepalus Lowell Ahart 2007-5-12 13811 Yuba About 100 yards southwest of the second power tower, about 300 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  CAS-BOT-BC523900  Ranunculus bonariensis var. trisepalus George K. Helmkamp; Amy Barnes 2013-3-28 20251 Yuba Eastern Sacramento Valley: northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  CHSC97649  Ranunculus bonariensis var. trisepalus Lowell Ahart 2007-5-12 13811 Yuba Bottom of a swale, about 100 yards southwest of the second power tower, about 300 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  JEPS113475  Ranunculus bonariensis var. trisepalus Lowell Ahart 2007-5-12 13811 Yuba Bottom of a swale, about 100 yards southwest of the second power tower, about 300 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  RSA0019380  Ranunculus bonariensis var. trisepalus George K. Helmkamp, E. A. Helmkamp 2011-5-6 17205 Yuba junction of Camp Far West Road and Spenceville Road, 5.4 mi. NE (47 ) of Wheatland. 56 Comment
  UCR244519  Ranunculus bonariensis var. trisepalus J. R. Shevock, Robert F. Holland 1985-5-6 11127 Yuba Sacramento Valley, Beale Air Force Base east of Marysville 40 Comment
  UCR258236  Ranunculus bonariensis var. trisepalus George K. Helmkamp, Amy Barnes 2013-3-28 20251 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  UCD82079  Ranunculus californicus Robin McMaster 1973-4-7 237 Yuba Browns Valley, Dry Creek. Comment
  RSA21289  Ranunculus hebecarpus Carl B. Wolf 1937-5-13 8634 Yuba Sierra Nevada Foothills, 2.7 miles below Stanfield Hill on road to Browns Valley. 183 Comment
  CHSC97672  Ranunculus muricatus Lowell Ahart 2007-5-12 13812 Yuba Bottom of a swale, about 100 yards southwest of the second power tower, about 300 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  JEPS113622  Ranunculus muricatus Lowell Ahart 2007-5-12 13812 Yuba Bottom of a swale, about 100 yards southwest of the second power tower, about 300 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  SEINET5718617 Image available Ranunculus muricatus Gerald Pullman 1974-1 28 Yuba 3 miles 20 degrees east of north from Station Headquarters, University of California Sierra Foothill Range Field Station.; UC Foothill Field Station 457 Comment
  UCD96262  Ranunculus muricatus Barbara Yungert 1974-4-10 15 Yuba Sieera Foothill Field Station. West of station headquarter, SC-5 project area. Comment
  JEPS87731  Ranunculus occidentalis Lowell Ahart 1994-7-27 7373 Yuba about 4 mi ne Strawberry Valley (e side of La Porte Rd, in about center of meadow); Schwartz Meadow 1219 Comment
  UCR257543  Ranunculus occidentalis George K. Helmkamp 2014-4-17 22761 Yuba Sierra Nevada Foothills, Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mi. due S of Smartsville 264 Comment
  UCD96939  Ranunculus occidentalis W. R. Powell 1968-4-22 1477 Yuba along Peoria Road, 4 miles northeast of Browns Valley. 158 Comment
  UCD96949  Ranunculus occidentalis Barbara Yungert 1974-4-4 3 Yuba Sierra Foothill Field Station. Along dirt road north of Yuba River, F-2 project area. Comment
  RSA25942  Ranunculus occidentalis var. eisenii Carl B. Wolf 1937-5-13 10010 Yuba Sierra Nevada Foothills, 2.7 miles below Stanfield Hill on road to Browns Valley. 183 Comment
  SJSU10210  Ranunculus orthorhynchus var. orthorhynchus C. W. Sharsmith 1983-6-7 8791 Yuba Rose Ranch c. 4 mi NE from Strawberry Valley on LaPorte-Quincy Rd; Yuba & Sierra county boundary 1432 Comment
  UC1442608  Ranunculus pusillus Lowell Ahart 1978-4-21 Yuba rice field w Kimball Lane (ca 2 mi ne of Marysville); Sam Shintaffer Farm 33 Comment
  SEINET1908657  Raphanus raphanistrum G. K. Helmkamp, E. A. Helmkamp 2008-1 14211 Yuba Sacramento Valley: Ostroom #3 Road, 1.2 miles east of junction with CA-65, southeast of Olivehurst. 20 Comment
  CHSC42048  Reseda luteola Lowell Ahart 1986-5-14 5274 Yuba Along Scott Grant Road, about 1 mile south-east of Loma rica road, about 4 miles east of Loma Rica. 152 Comment
  CAS-BOT-BC427549  Reseda luteola Lowell Ahart 1986-5-14 5274 Yuba Along Scott Grant Road, about 1 mile south east of Loma Rica Road, about 4 miles east of Loma Rica 152 Comment
  CHSC33754  Rhamnus crocea M. S. Taylor; L. Hanson 1981-4-15 3538 Yuba S side of rd 19N44, in Golden Gate Ravine, ca. 1.5 mi sw of Woodleaf. 853 Comment
  RSA7795  Rhamnus ilicifolia Carl B. Wolf 1927-11-6 1449 Yuba Along the Yuba River near bridge on the Browns Valley to Smartsville Road. Comment
  UC592763  Rhamnus ilicifolia unknown 1927-11-6 1449 Yuba Browns Valley to Smartsville road (along left bank of Yuba River, near bridge); Yuba River 152 Comment
  JEPS94514  Rhamnus rubra Lowell Ahart 1997-8-7 7822 Yuba about 3 air mi se of Challenge (on the e side of the dirt road, near an unnamed stream, Peterson Ridge Road); Peterson Ridge Road 762 Comment
  UC592708  Rhamnus rubra C. B. Wolf and E. R. Johnson 1934-10-4 Yuba 2 mi w Dobbins; Sierra Nevada Foothills, Texas Hill 457 Comment
  CHSC96589  Rhamnus tomentella subsp. tomentella L. P. Janeway 2006-5-24 8625 Yuba Northern Sierra Nevada Foothills. Along east side of Ponderosa Way 1.3 road km north of La Porte Road and Brownsville. 686 Comment
  POM243571  Rhamnus tomentella subsp. tomentella Carl B. Wolf 1927-11-5 1444 Yuba Browns Valley to Smartsville road, along left bank of Yuba River, near Bridge. 152 Comment
  POM243754  Rhamnus tomentella subsp. tomentella Carl B. Wolf, E. R. Johnson 1934-10-4 6155 Yuba Texas Hill, 2 miles from Dobbins. 457 Comment
  RSA724912  Rhamnus tomentella subsp. tomentella L. P. Janeway 2006-5-24 8625 Yuba Northern Sierra Nevada Foothills, E side of Ponderosa Way 1.3km N of La Porte Road and Brownsville. 686 Comment
  RSA742591  Rhamnus tomentella subsp. tomentella Carl B. Wolf 1930-10-12 1738 Yuba Along the Yuba River near Hammondon 152 Comment
  UC592779  Rhamnus tomentella subsp. tomentella unknown 1927-11-5 1444 Yuba Browns Valley to Smartsville road (along left bank of Yuba River, near bridge); Yuba River 152 Comment
  UC592797  Rhamnus tomentella subsp. tomentella unknown 1927-11-6 1445 Yuba Browns Valley to Smartsville road (along left bank of Yuba River, near bridge); Yuba River Comment
  UC592956  Rhamnus tomentella subsp. tomentella Carl B. Wolf 1930-10-12 Yuba near bridge on the Brown's Valley to Smartsville road (along Yuba River, Sierra Nevada foothills); Sierra Nevada, Yuba River 152 Comment
  CHSC112069  Rhododendron occidentale L. P. Janeway 2014-8-26 11573 Yuba Northern High Sierra Nevada. Plumas National Forest; about 50 m east of Oregon Hill Road, about 1 km south of Little Oregon Creek; 8 air-km southeast of Challenge. Comment
  RSA471033  Rhododendron occidentale var. californicum Anstruther Davidson 1876-7-7 s.n. Yuba Strawberry Valley Comment
  CHSC83428  Rhynchospora capitellata Virginia Dains 1996-7-30 Yuba South of forest road 20N25 in a meadow. 1097 Comment
  UC1127537  Ribes roezlii M. A. Elvin 1933-7-10 47 Yuba 2 mi s Brownsville; Smartsville Quadrangle Comment
  SEINET13942762 Image available Ribes roezlii Alice Eastwood 2018-4-7 6796 Yuba Camptonville Comment
  CAS-BOT-BC209277  Ribes roezlii var. roezlii Alice Eastwood 1918-4-7 6796 Yuba Camptonville Comment
  CHSC81770  Rorippa curvisiliqua var. occidentalis Lowell Ahart 2001-11-2 9398 Yuba Camp Far West Reservoir, about 1/4 mile northeast of the dam, about 9 miles (air) southeast of Wheatland. 83 Comment
  JEPS103275  Rorippa curvisiliqua var. occidentalis Lowell Ahart 2002-6-3 9690 Yuba On the bottom of the pond spillway, second small man made pond, about 1/4 mile south of Long Ravine Road, about 1/8 mile east of the intersection of Camp Far West Road and Long Ravine Road, north of Camp Far West Reservoir. 102 Comment
  CHSC97703  Rorippa curvisiliqua var. orientalis Lowell Ahart 2007-11-8 14587 Yuba North of the waterway between the headland and the large island, on the strand of Camp Far West Reservoir, about 1/4 mile south of Rock Creek, about 1/2 mile north of Bear River, about 6 miles (air) northeast of Sheridan. 73 Comment
  JEPS103442  Rorippa curvisiliqua var. orientalis Lowell Ahart 2002-10-9 9953 Yuba Area E of a spring, below the high water line of Sly Creek Reservoir, ca 1/8 mile SW of the Day Camp, Sly Creek Reservoir. 1072 Comment
  CHSC43460  Rosa bridgesii Lowell Ahart 1973-5-6 218 Yuba About 1 mile north of Challenge. 762 Comment
  CHSC62494  Rosa bridgesii B. Castro 1987-5-8 73 Yuba Ca 3.2 road mi SW of bridge over Slate Creek, near North Star. Along roadside. 1249 Comment
  CHSC84149  Rosa bridgesii Lowell Ahart 2003-7-2 10342 Yuba About 200 yards south of the 4-H Camp, on the west side of Oregon Hill Road, about 1/2 mile north of Marysville Road, about 2 miles (air) northeast of Dobbins. 815 Comment
  CHSC87348  Rosa bridgesii Lowell Ahart 2004-4-27 10762 Yuba Near a large wide trail, very start of a small drainage, drainage crosses a water ditch and continues on and crossed the road, about 350 yards northwest of the road, serpentine area, about 40 yards southwest of the marker for sections 9, 10, 16, and 15, about 1/2 mile (air) southeast of Woodleaf. 1012 Comment
  JEPS105833  Rosa bridgesii Lowell Ahart 2004-4-27 10762 Yuba Near large wide trail, start of small drainage, drainage crosses water ditch and continues on and crossed road, ca. 350 yd NW of the road, serpentine area, ca. 40 yd SW of the marker for sections 9, 10, 16, & 15, ca. 1/2 mi (air) SE of Woodleaf 1012 Comment
  RSA712870  Rosa bridgesii L. P. Janeway 2006-5-24 8611 Yuba Northern Sierra Nevada Foothills. Along Ponderosa Way 1.0 road km SE of Robinson Mill Rd. 1.2 air km SE of Robinson Mills and Forbestown Road. 768 Comment
  RSA317344  Rosa californica James R. Shevock 1972-5-19 1757 Yuba Hwy 70, north of Marysville 21 Comment
  CDA14567  Rosa canina G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3045 Yuba Oregon Hill Road, 0.1 mile north of Marysville Road, southwest of Bullards Bar Dam. 701 Comment
  CHSC110458  Rosa canina L. P. Janeway 2013-7-2 11181 Yuba Northern High Sierra Nevada. Headwaters of Cottage Creek, one of a series of meadows; 0.15 km southwest of Oregon Hill Road, 1.3 air km northeast of Oregon Peak. 815 Comment
  JEPS120549  Rosa canina L. P. Janeway 2013-7-2 11181 Yuba Northern High Sierra Nevada. Headwaters of Cottage Creek, one of a series of meadows; 0.15 km southwest of Oregon Hill Road, 1.3 air km northeast of Oregon Peak. Comment
  CDA3958  Rosa eglanteria T. C. Fuller, H. K. Wagnon 1964-5-18 11987 Yuba North of Highway 20 to Grass Valley, 0.8 mile east of Smartsville. 0 Comment
  CDA14574  Rosa gymnocarpa G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3055 Yuba La Porte _ Quincy Road 3.6 miles northeast of Strawberry Valley at the Plumas county line. 1280 Comment
  CHSC84991  Rosa gymnocarpa Lowell Ahart 2003-10-11 10628 Yuba On both sides of the paved road to Scales, about 1 mile south of La Porte Road, about 1 1/2 miles (air) south of Sly Creek, about 1 1/2 miles northeast of Strawberry Valley. 1219 Comment
  JEPS102388  Rosa gymnocarpa Lowell Ahart 2001-8-2 9051 Yuba On the south edge of the dirt road, Peterson Ridge Road, about 2 miles NE of Oregon Hill Road, about 3 miles (air) SE of Challenge. 701 Comment
  SJSU10220  Rosa gymnocarpa C. W. Sharsmith 1983-6-8 8801 Yuba Oak Flat Rd near Union Hill 1371 Comment
  JEPS95416  Rosa pisocarpa subsp. ahartii Lowell Ahart 1994-6-27 7383 Yuba 4 mi NE of Strawberry Valley (E of the logging road E of Schwartz Meadow, E side of La Porte Road) 1219 Comment
  CAS-BOT-BC146875  Rosa rubiginosa H. K. Wagnon; T. C. Fuller 1964-5-18 11987 Yuba N. of Hwy 20 to Grass Valley, 0.8 mi. e. of Smartsville Comment
  SBBG50611  Rosa rubiginosa P. Sawtelle 1974-5-12 32 Yuba Peoria Rd, 0.25 mi from St Hwy 20 Comment
  CHSC47445  Rotala indica Lowell Ahart 1977-10-3 1595 Yuba Growing on the bottom of a deep irrigation ditch, Sam Shintaffer Farm, about 2 miles north-east of Marysville. 30 Comment
  UCD103089  Rotala indica John F. Williams 1974-10-8 s.n. Yuba On Tanabe Road, NE of Marysville. Comment
  CHSC116113  Rotala ramosior Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-11-14 20650 Yuba North of the spillway area, at the west side and near top of Lake Francis Dam, below the high water line of Lake Francis, about 1-1/2 miles south of Dobbins. 512 Comment
  SEINET3016174  Rubus laciniatus L. Ahart 1997-8-7 7815 Yuba On the bottom of a small stream, a branch of Little Oregon Creek, on the Wside of the dirt road, Peterson Ridge Rd., about 3 mi (air) SE of Challenge. 762 Comment
  JEPS117304  Rubus pensilvanicus Lowell Ahart 2010-7-27 16923 Yuba Disturbed area of a log landing, about 100 yards north of Scales Road, about 1/8 mile east of La Porte Quincy Road, about 3 miles (air) east of Sly Creek Reservoir Dam 1219 Comment
  SEINET7706971  Rubus pensilvanicus J. Ridley 1959-4-19 22 Yuba 1 mile East of Smartville, on North side of Highway 20 Comment
  UCD17924  Rubus ursinus H. Olmo; T. S. Mallah 1953-3-24 53 27 B Yuba California. Yuba County: Highway 28 in Smartville. Growing 50 yards east of bridge on creek bank. Comment
  UCD17937  Rubus ursinus H. Olmo; T. S. Mallah 1953-3-24 53 27 C Yuba California. Yuba County: Highway 28 in Smartville. Comment
  UCD101666  Rumex Barbara Yungert 1974-5-8 134 Yuba Along dirt road, N of Yuba River. Sierra Foothill Field Station. Comment
  UCR206956  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2009-5-28 14828 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.5 mile north of the Camptonville exit 805 Comment
  CAS-BOT-BC421732  Rumex conglomeratus Lewis S. Rose 1940-5-28 40383 Yuba Browns Valley 60 Comment
  CHSC108189  Rumex crispus Lowell Ahart 2011-6-7 17408 Yuba East of a willow shrub, just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  CHSC97674  Rumex pulcher Lowell Ahart 2007-5-14 13868 Yuba Bottom of a swale, about 100 yards southwest of the second power tower, about 300 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  JEPS113694  Sagina apetala Lowell Ahart 2007-5-12 13787 Yuba Along road to the power towers, about 100 yards north of the first power tower, about 150 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 35 Comment
  JEPS95858  Sagittaria latifolia var. obtusa Lowell Ahart 1999-9-17 8259 Yuba Sam Shintaffer Farm; about 1/8 mile southeast of the intersection of Ellis Avenue and Jack Slough Road; about 4 miles (air) northeast of Marysville 21 Comment
  CHSC46520  Sagittaria montevidensis subsp. calycina Lowell Ahart 1977-9-25 1590 Yuba On the bottom of an irrigation ditch, on the Sam Shintaffer Farm, about 2 miles north-east of Marysville. 30 Comment
  CAS-BOT-BC103040  Salix bonplandiana Alice Eastwood 1913-7-3 3413 Yuba Bear River, [Mc Courtneys] McCourtneys Bridge Comment
  CHSC108202  Salix exigua Lowell Ahart 2011-6-7 17414 Yuba Just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  UCD80751  Salix exigua CNPS SN Foothill Team 2005-3-16 SNFN 0017 b Yuba CDFG, Spenceville Wildlife Area. From CA Highway 20, turn right on Smartville Road then left on Waldo Road, approximately 3/4 mile from Waldo Junction, located on south bank of Dry Creek, located in CDFG Spenceville Wildlife Area. 187 Comment
  CAS-BOT-BC104030  Salix gooddingii Saichi Kawahara 1968-4-13 288 Yuba Park's Bar, north bank of the Yuba River at highway 20 91 Comment
  CAS-BOT-BC104033  Salix gooddingii John Thomas Howell; Gordon H. True 1970-5-29 5418 A Yuba Artificial lake ca. [1mi.] 1 mi. NW. of Spenceville (site) on Cox Creek 152 Comment
  JEPS38405  Salix gooddingii W. L. Jepson Apr. 1891 15 s Yuba between Sacramento and Marysville (Harding's Landing, Sacramento R.); Sacramento R., Harding's Landing Comment
  HSC104032  Salix lasiolepis L. Ahart 2012-2-28 17758 Yuba About 13 mi. NE of Mareysville; ~ 0.5 mi. E of Ramirez Rd., on the north side of Fruitland Road. 32 Comment
  JEPS119969  Salix lasiolepis Lowell Ahart 2012-2-28 17757 Yuba About 1/2 mile east of Ramirez Road, about 13 miles northeast of Marysville. Comment
  SBBG126079  Salix lasiolepis L. Ahart 2012-2-28 17758 Yuba N side of Fruitland Rd, ca 0.5 mi E of Ramirez Rd, ca 13 mi NE of Marysville 32 Comment
  SBBG126080  Salix lasiolepis L. Ahart 2012-2-28 17757 Yuba N side of Fruitland Rd, ca 0.5 mi E of Ramirez Rd, ca 13 mi NE of Marysville 32 Comment
  CAS-BOT-BC107372  Salix lasiolepis var. lasiolepis A. A. Heller 1905-3-21 7559 Yuba Marysville Comment
  CAS-BOT-BC107385  Salix lasiolepis var. lasiolepis A. Eastwood 1919-9-1 s.n. Yuba Marysville Comment
  CHSC98985  Salix lasiolepis var. lasiolepis Lowell Ahart 2008-5-14 14763 Yuba On the south side of Costa Creek, about 200 yards east of Forbestown Road, about 3 miles (air) east of Forbestown. 837 Comment
  CDA21016  Salsola tragus P. Akers 2002-9-19 RT- 008 -1 Yuba Sacramento Valley; NE corner of Hwy 65 and Rancho Rd., 3 mi. NW of Wheatland. 12 Comment
  CHSC74096  Salvia sonomensis L. Gehrung 1996-6-24 Yuba Ca 2.2 air mi E of Challenge and W of the Yuba River, on E side of the USFS Rd 19N03 just N of Indian Creek crossing. 762 Comment
  CHSC93878  Salvia sonomensis L. P. Janeway 2006-5-24 8613 Yuba Northern Sierra Nevada Foothills. Along Ponderosa Way 1.3 road km southeast of Robinson Mill Road; 1.3 air km southeast of Robinson Mills and Forbestown Road. 771 Comment
  UCR169027  Sambucus mexicana David Charlton 2005-5-16 8023 Yuba Sacramento Valley, Yuba Gold Field; just south of Yuba River; c. 7.5 mi ENE of Marysville; N of Beale Air Force Base; Survey area c. 2 miles by 1 mile 46 Comment
  RSA724910  Sanguisorba minor subsp. muricata L. P. Janeway 2006-5-24 8634 Yuba N Sierra Nevada Foothills. S side of Frenchtown Road 1.2 road km NE of Marysville Road and Oregon House. 483 Comment
  UC1128695  Sanguisorba minor subsp. muricata A. E. Wieslander and R. W. Lundh 1933-6-19 319 Yuba 2 mi s Kentucky House (L); Smartsville Quad., s of Kentucky House Comment
  UC861892  Sanguisorba minor subsp. muricata Lewis S. Rose 1940-5-28 40388 Yuba Browns Valley 60 Comment
  CDA20325  Sanicula bipinnata M. Stelmok 2005-3-8 PDR 1305468 Yuba Browns Valley. 6463 Tonopah Trail. 0 Comment
  JEPS252  Sanicula bipinnata Willis L. Jepson 1892-4-8 14180 Yuba Cabbage Patch Comment
  CHSC108207  Sanicula bipinnatifida Lowell Ahart 2011-6-7 17371 Yuba Road margin, about 25 yards south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  CHSC96483  Sanicula bipinnatifida Lowell Ahart 2007-4-17 13678 Yuba On the west side of a poor dirt road, west of a small wash, about 1/8 mile west of Marysville Road and the Parking Area, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 5 1/2 miles (air) northeast of Loma Rica. 292 Comment
  JEPS113098  Sanicula bipinnatifida Lowell Ahart 2007-4-17 13678 Yuba On the west side of a poor dirt road, west of a small wash, about 1/8 mile west of Marysville Road and the Parking Area, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 5 1/2 miles (air) northeast of Loma Rica 292 Comment
  UC566792  Sanicula bipinnatifida Herbert L. Mason 1927-5-11 3730 Yuba vicinity of Dobbins 457 Comment
  CAS-BOT-BC223236  Sanicula bipinnatifida Alice Eastwood 1921-5-22 10543 Yuba Los Vergils Comment
  UCD127949  Sanicula bipinnatifida Barbara Yungert 1974-4-16 42 Yuba Campbell Valley, Sierra Foothill Field Station. Comment
  CHSC100722  Sanicula bipinnatifida var. flava L. P. Janeway 2008-5-11 9362 Yuba Northern High Sierra Nevada. In the northwestern head of Slapjack Creek; along Road 19N34, 1.3 road km southeast of Challenge-La Porte Road; about 1.2 km south-southeast of Woodleaf. 940 Comment
  CHSC67635  Sanicula graveolens James D. Jokerst 1985-4-29 2296 Yuba Deadwood Creek Hydro Survey: Surrounding the bottom of a logging road 0.5 mi N of Junction of N. Yuba River and Deadwood Creek. 1005 Comment
  CHSC70779  Sanicula graveolens B. Castro; L. Gehrung 1995-6-2 572 Yuba Ca 2 air mi SE of Strawberry Valley, 0.5 to 0.8 mi N of the N Fork Yuba River, on S-trending ridge to Weed Point. Along both sides of USFS Rd 20N81. 1021 Comment
  CHSC63236  Sanicula tuberosa Lowell Ahart 1994-6-5 7302 Yuba On the south side of Costa Creek, on the east side of Forbestown Road, about 3 (air) miles east of Forbestown. 853 Comment
  JEPS88901  Sanicula tuberosa Lowell Ahart 1994-6-5 7302 Yuba about 3 air mi e Forbestown (on s side of Costa Creek, on e side of Forbestown Road); Costa Creek, Forbestown Road 853 Comment
  JEPS100351  Saponaria officinalis Dean W. Taylor 2001-6-21 17810 Yuba canyon of the North Fork Yuba River, near the confluence of Canyon Creek at Kelly Bar 609 Comment
  RSA0107828  Scandix pecten-veneris George K. Helmkamp 2014-4-17 22766 Yuba Sierra Nevada Foothills: Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mi. due S of Smartsville. 264 Comment
  UCD37845  Scandix pecten-veneris Beecher Crampton 1962-4-24 6242 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  SEINET7042650  Scandix pecten-veneris A. G. Vestal 1963-5-30 s.n. Yuba Weedy depression near Dry Creek and north oh Sicard Flat. Smartville quadrangle UTM Zone 10, 642203mE, 4345148mN. Comment
  CHSC70775  Schoenoplectus acutus var. occidentalis L. P. Janeway 1997-6-26 5174 Yuba South side of Woodruff Lane, 0.1 mi west of Mathews Lane; about 4 1/2 mi north-northeast of Marysville. 23 Comment
  CAS-BOT-BC111657  Schoenoplectus mucronatus A. S. Leopold 1956-7-18 s.n. Yuba 3 miles NW of Rio Oso Post Office. Comment
  UC683301  Scirpus acutus var. occidentalis Alan A. Beetle 1941-6-26 2732 Yuba on rte 99E 10 mi n Lincon [sic] (Lincoln?); n of Lincon [sic] (Lincoln ?) Comment
  CHSC63197  Scirpus microcarpus Lowell Ahart 1994-6-27 7388 Yuba Near the north-east side of Schwartz Meadow, on the eastside of La Porte Road, about 4 miles north-east of Strawberry Valley. 1219 Comment
  JEPS95411  Scirpus microcarpus Lowell Ahart 1994-6-27 7388 Yuba 4 mi NE of Strawberry Valley (near the NE side of Schwartz Meadow, on the E side of La Porte Road) 1219 Comment
  JEPS104046  Scirpus setaceus Lowell Ahart 2003-7-6 10363 Yuba In meadow, e of the power line, ca 60 yd nw of Fountain Hill Rd, ca 5 mi (air) n of Dobbins. 836 Comment
  SEINET13710634  Scirpus setaceus Lowell William Ahart, Lowell William Ahart 2003-1 10363 Yuba 5 Air Mi. N Od Dobbins (39 Deg 26'11.7"N, 121 Deg 12'07.3"W) 2746 Ft. 837 Comment
  CAS-BOT-BC243534  Scribneria bolanderi Carl B. Wolf 1937-5-12 8629 Yuba 4 mi. NE of Wheatland on road to Grass Valley, Sacramento Valley 60 Comment
  JEPS113392  Scribneria bolanderi Lowell Ahart 2007-5-14 13855 Yuba Bottom of swales, about 100 yards east of the third power tower, about 1/2 mile north of Fruitland Road, about 13 1/2 miles (air) northeast of Marysville 29 Comment
  RSA21285  Scribneria bolanderi C. B. Wolf 1937-5-12 8629 Yuba 4 miles NE of Wheatland on road to Grass Valley 61 Comment
  UCD92503  Scribneria bolanderi Beecher Crampton 1957-6-5 4147 Yuba 1/2 mile west of Oregon House Post Office. Comment
  UC1125706  Scrophularia californica M. A. Elvin 1933-7-6 39 Yuba 2 1/2 mi w Bridgeport; Smartsville Quadrangle Comment
  UCD124854  Scrophularia californica Barbara Yungert 1974-5-23 184 Yuba south of Route 6, K 1-11 project area, Sierra Foothill Field Station. Comment
  CHSC97774  Scrophularia californica subsp. floribunda Lowell Ahart 2007-11-1 14544 Yuba On the south side of Willow Creek, above the high water line of Bullards Bar Reservoir, about 1 mile northwest of Old Camptonville Road, about 1 1/2 miles (air) west of Camptonville. 627 Comment
  JEPS98574  Scutellaria bolanderi subsp. bolanderi Lowell Ahart 2000-6-11 8472 Yuba 8 mi (air) S of Smartville (E side of a small wash, W of Smartville Road, about 1/8 mi SW of int. with Waldo Road) 99 Comment
  JEPS98711  Scutellaria bolanderi subsp. bolanderi Lowell Ahart 2000-6-11 8472 Yuba 8 mi (air) S of Smartville (E side of a small wash, W of Smartville Road, about 1/8 mi SW of int. with Waldo Road) 99 Comment
  CHSC51236  Scutellaria californica Lowell Ahart 1979-6-25 1952 Yuba Peterson Ridge Road, there is a spring near by and the gutter was running water, about 2 miles east of Challenge. 640 Comment
  CHSC73955  Scutellaria californica L. Gehrung 1996-6-24 Yuba Ca 2.2 air mi E of Challenge and W of the Yuba River, on E side of USFS Rd 19N03 ca 0.2 mi N of Indian Creek crossing, 822 Comment
  UC1075582  Scutellaria californica E. K. Balls and L. W. Lenz 1956-6-20 21852 Yuba 4 mi sw of Camptonville (along State Hwy 49) 975 Comment
  POM172693  Scutellaria californica Roxana S. Ferris 1927-11-5 6938 Yuba 7 miles west of Brown Valley. Comment
  RSA712787  Scutellaria californica L. P. Janeway 1994-1-7 4675 Yuba Northern High Sierra Nevada. West side of Slate Creek about 3 air mi northeast of Strawberry Valley; along Road 20N35 0.1 mi south of the bridge across Slate Creek. 1006 Comment
  UCD125717  Scutellaria californica Barbara Yungert 1974-5-23 176 Yuba along F 1-11 fence line, near Road 3, west of Forbes Hill, Sierra Foothill Field Station. Comment
  CHSC90354  Selaginella hansenii Lowell Ahart 2005-2-28 11565 Yuba West of a poor dirt road, about 1/2 mile west of Marysville Road, about 1/2 mile north of Parking Area 3, Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 1/2 mile north of Loma Rica Road, about 5 miles (air) northeast of Loma Rica. 403 Comment
  RSA715713  Selaginella hansenii Lowell A. Ahart 2005-2-28 11565 Yuba Daugherty Hill Wildlife Area, Donovan Hill Management Area, about 0.5 mile N of Loma Rica Road, about 5 miles (air) NE of Loma Rica., W of a poor dirt road, about 0.5 mile W of Marysville Road, about 0.5 mile N of Parking Area 3. 404 Comment
  HSC96917  Senecio aronicoides L. Ahart 2004-4-27 10766 Yuba About 20 yrds. W of a drainage, about 40 yrds. S of the road, about 1/2 mi. (air) SE of Woodleaf 932 Comment
  CHSC108327  Senecio vulgaris Lowell Ahart 2011-6-7 17383 Yuba West of a willow shrub, just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  JEPS118293  Senecio vulgaris Lowell Ahart 2011-6-7 17383 Yuba West of a willow shrub, just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville 66 Comment
  CHSC44847  Sericocarpus oregonensis Lowell Ahart 1976-10-1 1218 Yuba Along the edge of Marysville Road, near the east side of Bullards Bar Dam. 701 Comment
  CHSC95112  Sericocarpus oregonensis L. P. Janeway; Erin Brandy, David Toren 2006-9-25 8887 Yuba Northern High Sierra nevada. Plumas National Forest; along Scales Road on east side of canyon of Slate Creek, 0.7 km south of the bridge across the creek; 4.5 air km west-southwest of Strawberry Valley. 1017 Comment
  UCD135893  Sericocarpus oregonensis subsp. californicus G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12831 Yuba Northern Sierra Nevada Mountains: along Hwy CA-49, 0.5 mile south of Camptonville. 817 Comment
  JEPS113868  Setaria parviflora Lowell Ahart 2007-6-30 14232 Yuba Near a new ditch, near and east of a new road pad, about 350 yards west of the power tower, about 50 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  CHSC69439  Setaria pumila Lowell Ahart 1997-8-13 7862 Yuba On the south side of Scott Forbes Road, 1/4 mile east of the intersection of Scott Forbes Road and Peoria Road, just east of Gray Drive, about 2 1/4 miles (air) east of Browns Valley. 91 Comment
  RSA726852  Setaria pumila L. Ahart 2007-6-30 14232 Yuba About 13 miles (air) northeast of Marysville. 29 Comment
  CDA31983  Setaria viridis L. Ahart 2007-5-14 13844 Yuba East of the dirt road, 20 yards northeast of the gate, about 20 yards south of the power tower, about 20 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville Comment
  JEPS113723  Setaria viridis Lowell Ahart 2007-5-14 13844 Yuba East of the dirt road, 20 yards northeast of the gate, about 20 yards south of the power tower, about 30 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 35 Comment
  CHSC108187  Sherardia arvensis Lowell Ahart 2011-6-7 17413 Yuba West of a willow shrub, just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  JEPS118303  Sherardia arvensis Lowell Ahart 2011-6-7 17413 Yuba West of a willow shrub, just south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville 66 Comment
  UCD122001  Sherardia arvensis Kathleen Keliher 1975-4-13 62 Yuba Near Lower Cook Road, K 1-11 project area, Sierra Foothill Field Station. 243 Comment
  UCD82076  Sherardia arvensis Robin McMaster 1973-4-7 227 Yuba Browns Valley. Comment
  CAS-BOT-BC26194  Sidalcea gigantea G. L. Clifton 1996-8-17 35038 Yuba At Travis Saddle along La Porte Road 1097 Comment
  JEPS111465  Sidalcea gigantea G. L. Clifton 1996-8-17 35038 Yuba At Travis Saddle along La Porte Road Comment
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Jun 20 2014
  CHSC97566  Sidalcea hirsuta Lowell Ahart 2007-5-12 13799 Yuba Bottom of a swale, about 100 yards southwest of the second power tower, about 300 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  JEPS113506  Sidalcea hirsuta Lowell Ahart 2007-5-12 13799 Yuba Bottom of a swale, about 100 yards southwest of the second power tower, about 300 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  UC1728658  Silene bridgesii Richard Olmstead 1986-6-13 843 Yuba Junction of Oregon Creek with Middle Fork Yuba River (Oregon Creek Picnic Ground); Oregon Creek Picnic Ground 451 Comment
  SEINET11946136  Silene californica F. H. Utech 1990-6-5 90 -867 Yuba Tahoe National Forest, Oregon Creek area, on CA 49 near junction with Middle Fork of Yuba River 500 Comment
  CAS-BOT-BC384438  Silene coronaria Lowell Ahart 1980-6-19 2393 Yuba Along La Porte Road, near Rackerby 320 Comment
  JEPS113530  Silene gallica Lowell Ahart 2007-5-14 13881 Yuba Center of the dirt road, 20 yards northeast of the gate, about 20 yards south of the power tower, about 30 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 35 Comment
  UCD98982  Silene laciniata subsp. californica R. O. Hanes 1991-5-21 17 Yuba Road 18N77 or 121. 579 Comment
  UCD98992  Silene laciniata subsp. californica Kathleen Keliher 1975-4-19 64 Yuba 100 yards below Englebright Reservoir, Sierra Foothill Field Station. 152 Comment
  CAS-BOT-BC74926  Sinapis arvensis Lowell Ahart 1974-5-18 s.n. Yuba About 5 miles west of Loma Rica. 300 Comment
  CHSC43438  Sisymbrium altissimum Lowell Ahart 1977-4-16 1310 Yuba Sidewalks in Marysville, near the Rideout Hospital. 27 Comment
  CAS-BOT-BC75047  Sisymbrium altissimum Lowell Ahart 1977-4-16 s.n. Yuba Marysville. 30 Comment
  CAS-BOT-BC75301  Sisymbrium officinale Gordon H. True 1963-4-17 1151 Yuba About 3.5 miles south of Smartville, on Beale Aif Force Base road. 213 Comment
  UCD115753  Sisymbrium officinale Barbara Yungert 1974-4-14 32 Yuba east of road near gate, Meathook project area, Sierra Foothill Field Station. Comment
  UCD115754  Sisymbrium officinale Barbara Yungert 1974-5-23 179 Yuba gate between Road 2 and Road 3, Fl-24 project area, Sierra Foothill Field Station. Comment
  UCD81494  Sisyrinchium bellum Christopher Michael Bronny 2009-4-1 6 Yuba Oat Hills' area of Sierra Nevada foothills. 217 Comment
  UCD138852  Sisyrinchium bellum Barbara Yungert 1974-4-16 47 Yuba north of Road 4, SC-14 project area, Sierra Foothill Field Station. Comment
  CHSC43368  Solanum americanum Lowell Ahart 1977-8-31 1561 Yuba Along the edge of Jack Slough, Shintaffer Farms, about 2 miles north-east of Marysville. 27 Comment
  JEPS95897  Solanum americanum Lowell Ahart 1999-9-5 8200 Yuba on the disturbed area on the south side of Woodruff Lane; just west of Kimball Lane; about 5 miles (air) northeast of Marysville 24 Comment
  UCD126857  Solanum carolinense W. B. McHenry 1978-8-1 s.n. Yuba Sierra Foothill Range Field Station, near Brown Valley. Comment
  UCD126858  Solanum carolinense Ken Taggard 1971-10-1 s.n. Yuba Sierra Foothill Range Field Station. Comment
  CHSC32091  Solanum elaeagnifolium L. Ahart 1974-8-1 571 Yuba In barnyard, Glenn Clark farm, ca. 1 mi e of Honcut. 36 Comment
  SEINET10474351  Solidago californica Lowell Ahart, Peter Ahart 1983-8-10 Ahart 4275 Yuba Along Peterson Rd, ca. 5 mi e of Challenge. Yellow Pine Forest; 1000 m. 1000 Comment
  JEPS113478  Soliva sessilis Lowell Ahart 2007-5-12 13776 Yuba Along road to the power towers, about 100 yards north of the first power tower, about 150 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 35 Comment
  CAS-BOT-BC365831  Soliva sessilis Gordon H. True; John Thomas Howell 1969-4-9 4781 Yuba Timbuctoo, just west of Smartville 121 Comment
  UCD136100  Soliva sessilis Beecher Crampton 1967-5-17 7941 Yuba 5 miles east of Brown's Valley, UC Sierra Foothill Range Field Station. Comment
  CAS-BOT-BC374416  Sonchus asper Lowell Ahart 1979-6-25 s.n. Yuba One mile south of Challenge 700 Comment
  CHSC107169  Sonchus asper subsp. asper L. P. Janeway 2011-7-5 10491 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. Small grassy meadow. Plants occasional, especially in disturbed edges of the meadow. 750 Comment
  CHSC97640  Spergularia bocconi Lowell Ahart 2007-5-14 13865 Yuba Along the dirt road, near the power tower, power tower is about 30 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 35 Comment