Search Results — 2000 specimen records retrieved (1522 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CHSC81795  Abutilon theophrasti Lowell Ahart 2001-11-2 9400 Yuba Camp Far West Reservoir, about 1/4 mile northeast of the dam, about 9 miles (air) southeast of Wheatland. 83 Comment
  JEPS102714  Abutilon theophrasti Lowell Ahart 2001-11-2 9400 Yuba Camp Far West Reservoir, about 1/4 mile NE of the dam, about 9 miles (air) SE of Wheatland. 83 Comment
  SD236332  Abutilon theophrasti G. K. Helmkamp, E. A. Helmkamp 2008-10-6 14210 Yuba Sacramento Valley: Ostrom #3 Road, 1.2 miles east of junction with CA-65, southeast of Olivehurst 20 Comment
  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
  UCD128377  Achillea millefolium Barbara Yungert 1974-4-25 84 Yuba south of road near gate between SC-13 and SC-14 project areas, Sierra Foothill Field Station. Comment
  CAS-BOT-BC218689  Achnatherum lemmonii Lowell Ahart 1979-6-25 s.n. Yuba 2 miles E of Challenge 700 Comment
  CHSC100745  Achnatherum lemmonii L. P. Janeway 2008-5-11 9364 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
  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
  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
  CAS-BOT-BC216460  Achnatherum occidentale subsp. californicum Lowell Ahart 1979-6-25 s.n. Yuba 2 miles E of Challenge 700 Comment
  CHSC44595  Achnatherum occidentale subsp. californicum Lowell Ahart 1979-6-25 1947 Yuba About 2 miles east of Challenge. 640 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
  CHSC97465  Achyrachaena mollis Lowell Ahart 2007-5-12 13767 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
  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
  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
  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
  UCD38321  Acmispon grandiflorus Beecher Crampton 1954-5-10 1844 Yuba Hwy 49, 7 miles south of Camptonville. Comment
  SBBG3418  Acmispon grandiflorus var. grandiflorus H. and M. Dearing 1939-5-7 Yuba Brownsville 762 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
  JEPS112956  Adiantum aleuticum Dean W. Taylor 2001-6-18 17787 Yuba canyon of Slate Creek, along Forest Road 35 about 0.5 miles SE of the bridge over Slate Creek 1036 Comment
  RSA687742  Adiantum aleuticum Dorothy Davis 1923-08 s.n. Yuba Downsiville 1220 Comment
  JEPS35369  Adiantum jordanii Mrs. S. M. Rust 1878-1 Yuba Comment
  CAS-BOT-BC9075  Aegilops triuncialis John Thomas Howell; Gordon H. True 1971-5-26 47613 Yuba About 8 miles east of Marysville 30 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
  UCR169016  Aegilops triuncialis David Charlton 2005-5-16 8007 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-BC206889  Aesculus californica Alice Eastwood 1921-5-22 10542 Yuba Los Vergils 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
  JEPS85606  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
  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
  CHSC84968  Agoseris grandiflora Lowell Ahart 2003-10-11 10621 Yuba Meadow, on the east side of a gravel road to the Rose Ranch, about 100 yards west of the paved road to Scales, about 1/2 mile south of the Rose Ranch, about 5 miles (air) northeast of Strawberry Valley, about 7 miles (air) southwest of La Porte. 1219 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
  SEINET5713145  Agoseris heterophylla Br Vance 1974-1 9 Yuba 3 air miles 20 degrees east of north from Station Headquarters, University of California Sierra Foothill Range Field Station.; UC Foothill Field Station 457 Comment
  UCD128608  Agoseris heterophylla Kathleen Keliher 1975-5-3 85 Yuba along Lower Cook Road, around 1000 yards north of Meathook project area, k 1-11 project area, Sierra Foothill Field Station. 243 Comment
  UCD128615  Agoseris heterophylla Barbara Yungert 1974-4-25 83 Yuba along four wheel drive road, lower SC-14 project area, Sierra Foothill Field Station. 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
  JEPS113575  Agrimonia gryposepala Lowell Ahart 2007-8-7 14424 Yuba West side of an 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
  SBBG121198  Agrimonia gryposepala L. Ahart 2007-8-7 14424 Yuba SE part of Hampshire Crk Meadow, ca. 50 yards E of the dirt rd, ca. 1 mi (air) E of Clipper Mills 1021 Comment
  UCD51766  Agrostis avenacea Beecher Crampton 1965-5-11 7323 Yuba 2.5 miles southwest Brown's Valley. Comment
  RSA653942  Agrostis exarata Beecher Crampton 1966-6-14 7760 Yuba 1 mile east of Brownsville on La Porte road. 732 Comment
  UCD32902  Agrostis exarata Beecher Crampton 1965-6-17 7377 Yuba Yuba County, ca. 3/4 mile north Stanfield Hill, Willow Glen Creek. 396 Comment
  UCD33115  Agrostis exarata Beecher Crampton 1966-6-14 7760 Yuba Yuba County, 1 mile east of Brownsville on La Porte road. 731 Comment
  UCD52102  Agrostis exarata Beecher Crampton 1965-6-17 7377 Yuba 3/4 mile north of Stanfield Hill, Willon Glen Creek. 396 Comment
  UCD52111  Agrostis exarata Beecher Crampton 1965-6-17 7379 Yuba 4 miles south Brownsville, Willon Glen Road. 670 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
  CDA14571  Agrostis idahoensis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3050 Yuba La Porte _ Quincy Road 3.6 miles northeast of Strawberry Valley at the Plumas county line. 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
  JEPS124262  Agrostis scabra Lowell Ahart 2015-11-19 20679 Yuba Lake Francis, about 1 1/2 miles south of Dobbins. 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
  SEINET2473438 Image available Agrostis stolonifera George K. Helmkamp, E. A. Helmkamp 2007-1 12841 Yuba Northern Sierra Nevada Mountains Foothills; along Hwy CA-49, 0.5 mile south of Camptonville 817 Comment
  UCD74335  Agrostis stolonifera G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12841 Yuba Northern Sierra Nevada Mountains: along Hwy. CA-49, 0.5 mile south of Camptonville. 817 Comment
  UCR189623  Agrostis stolonifera George K. Helmkamp, E. A. Helmkamp 2007-8-29 12841 Yuba Northern Sierra Nevada Mountains Foothills, along Hwy CA-49, 0.5 mile south of Camptonville 817 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
  SEINET5335997  Aira caryophyllea A. Tiehm 1975-1 631 Yuba U.C. Sierra 198 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
  UCR231332  Aira caryophyllea George K. Helmkamp, E. A. Helmkamp 2011-5-6 17185 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
  SEINET5335999  Aira caryophyllea C. Aarstad 1979-4-28 s.n. Yuba at junct. of Rt. 20 and N Fork of Browns Valley 183 Comment
  SEINET5336000  Aira caryophyllea D. Selleck 1979-4-27 s.n. Yuba Sierra Field Station-UC Davis Comment
  CAS-BOT-BC138415  Aira caryophyllea var. capillaris Beecher Crampton 1957-6-5 4153 Yuba Foothill flat. 1.3 mile east of Oregon House Store. Comment
  SEINET7294184 Image available Aira caryophyllea var. capillaris Beecher Crampton 1957-1 4153 Yuba 1.3 miles east of Oregon House Store Comment
  RSA116440  Aira elegans Beecher Crampton 1957-6-5 4153 Yuba 1.3 miles east of Oregon House Store Comment
  UCD32892  Aira elegantissima Beecher Crampton 1965-5-11 7317 Yuba Yuba County, 2.5 miles S.W. Brown Valley. Comment
  CHSC76294  Alisma lanceolatum Lowell Ahart 1999-9-17 8236 Yuba Rice field, 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
  CHSC84183  Alisma lanceolatum Lowell Ahart 2003-7-17 10415 Yuba On the bottom of a small 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
  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
  UCD22594  Allium L. K. Mann 1957-4-19 s.n. Yuba At east edge of top of dam across north fork of Yuba River, between Dobbins and North San Juan. Comment
  UC410438  Allium amplectens Alice Eastwood 1930-4-13 17934 Yuba near Marysville 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-BC462394  Allium amplectens Lillian S. Mott 1965-4-21 6547 Yuba Highway 20 about 10 miles east of Marysville. 518 Comment
  UCD141817  Allium amplectens L. K. Mann 1958-4-20 s.n. Yuba along Highway 20, a few miles east of Marysville near culvert #A-7.14. Comment
  CHSC10818  Allium membranaceum Lowell Ahart 1967-5-15 Yuba Near Bullard bar. 914 Comment
  UC1299738  Allium membranaceum Freed W. Hoffman 1949-5-14 2809 Yuba at e abutment of dam, Bullards Bar Dam and Reservoir Bullards Bar Dam and Reservoir Comment
  UCD37893  Allium peninsulare Beecher Crampton 1962-4-24 6319 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  SJSU7115  Allium peninsulare J. B. Willis 1969-4-27 73 Yuba S bank Yuba River on old stage rd to Timbuctoo, just off State Hghwy 20, 18 mi E of Marysville Comment
  UCD138600  Allium peninsulare Barbara Yungert 1974-4-18 65 Yuba north of Yuba River, Sierra Foothill Field Station. Comment
  UCD23433  Allium peninsulare Gordon Murray 1977-5-15 1 Yuba Aromatic onion odor. Creek side, shady slope. Jed Smith Creek off Scott Forbes Rd. in Browns Valley. 22 miles east of Marysville on Hwy 20. 304 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
  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
  CHSC87306  Allotropa virgata Lowell Ahart 2004-4-27 10758 Yuba West of the water ditch, about 150 yards northwest of where the drainage crosses the road, about 1/2 mile (air) southeast of Woodleaf. 983 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
  UC1135121  Alnus rhombifolia M. A. Elvin 1933-7-14 51 Yuba Greenville Smartsville Quadrangle Comment
  CHSC97658  Alopecurus saccatus Lowell Ahart 2007-5-12 13821 Yuba Bottom of a vernal pool, about 100 feet northeast of a culvert, about 80 yards north of the second power tower, about 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 Comment
  SBBG26343  Alopecurus saccatus B. Crampton 1965-5-11 Yuba 2.5 mi SW of Browns Valley Comment
  CHSC97706  Amaranthus californicus Lowell Ahart 2007-11-8 14589 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
  JEPS102606  Amaranthus californicus Lowell Ahart 2001-11-2 9396 Yuba Camp Far West Reservoir, about 1/4 mile NE of the dam, about 9 miles (air) SE of Wheatland. 83 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
  JEPS113489  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
  JEPS113509  Amaranthus hybridus Lowell 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 35 Comment
  RSA726802  Amaranthus hybridus L. Ahart 2007-6-30 14239 Yuba About 13 miles (air) northeast of Marysville. 36 Comment
  CHSC81746  Ambrosia psilostachya Lowell Ahart 2001-11-2 9410 Yuba Camp Far West Reservoir, about 1/8 mile northeast of the dam, about 9 miles (air) southeast of Wheatland. 91 Comment
  JEPS103445  Ambrosia psilostachya Lowell Ahart 2002-10-10 9976 Yuba On the W 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
  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
  CHSC116310  Ammannia coccinea Lowell Ahart 2015-11-19 20684 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
  CHSC116309  Ammannia robusta Lowell Ahart 2015-11-19 20685 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
  CHSC76283  Ammannia robusta Lowell Ahart 1999-9-17 8245 Yuba On the margins of a rice field, 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
  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
  SEINET12479904  Amsinckia intermedia A. Tiehm 1975-1 648 Yuba U.C. Sierra Foothill Field station. 274 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
  UCR257539  Amsinckia intermedia George K. Helmkamp 2014-4-17 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 264 Comment
  SEINET11792840  Amsinckia intermedia C. Aarstad 1979-4-28 s.n. Yuba At junction of Rt. 20 and N for of Yuba in Browns Valley 183 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
  UCD81496  Amsinckia menziesii Christopher Michael Bronny 2009-4-1 8 Yuba Oat Hills' area of Sierra Nevada foothills. 194 Comment
  CHSC90336  Anagallis arvensis Lowell Ahart 2005-3-11 11599 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
  CHSC97225  Anagallis arvensis Lowell Ahart 2007-6-22 14221 Yuba 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
  RSA220010  Anagallis minima J. T. Howell, G. H. True 1967-6-13 3559 Yuba Camp Far West reservoir on Bear River E. of Wheatland. In damp soil at edge of reservoir. 61 Comment
  HSC5271  Andropogon glomeratus C. B. Wolf 1927-11-5 1436 Yuba Road to Brown's Valley, 8 mi. from Marysville Comment
  RSA10978  Andropogon glomeratus C. B. Wolf 1927-11-5 1436 Yuba Roadside swale, 8 mi. from Marysville on road to Browns Valley. Comment
  HSC8924  Andropogon virginicus T. F. Newman 1964-2-22 9 Yuba 10 miles N of Marysville on Alt. 40, Rameriz Rd. Comment
  RSA88333  Andropogon virginicus G. H. True 1951-6-6 s.n. Yuba meadows near Parks Bar Comment
  UCD56085  Andropogon virginicus Beecher Crampton 1957-6-5 4113 Yuba Along State Hwy. 20, 7.5 miles east of Marysville. Comment
  UCD80513  Andropogon virginicus CNPS SN Foothill Team 2005-7-5 SNNR 0467 a Yuba CDFG Daugherty Hill Wildlife Area. 278 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
  CDA42983  Andropogon virginicus var. virginicus L. Ahart 2013-11-3 19307 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. Comment
  JEPS120985  Andropogon virginicus var. virginicus Lowell Ahart 2013-11-30 19307 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
  JEPS124317  Andropogon virginicus var. virginicus Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-11-14 20643 Yuba Above the high water line of Lake Francis, about 1 1/2 miles south of Dobbins. Comment
  CHSC69127  Angelica breweri Lowell Ahart 1997-8-7 7836 Yuba On east side of the dirt road, about 2 miles (air) southeast of Woodleaf, about 3 miles (air) northeast of Challenge. 853 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
  UCD128897  Anisocarpus madioides W. R. Powell 1968-5-24 1546 Yuba C. D. F. fire station, Brownsville. 649 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
  JEPS118386  Anthemis cotula Lowell Ahart 2011-6-7 17373 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
  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
  CHSC78356  Anthoxanthum odoratum Lowell Ahart 2000-6-19 8491 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. 731 Comment
  JEPS87729  Anthoxanthum odoratum Lowell Ahart 1994-6-27 7391 Yuba about 4 mi ne of Strawberry Valley (near s side of Schwartz Meadow, on e side of La Porte Road); Schwartz Meadow, La Porte Road 1219 Comment
  UCD56269  Anthoxanthum odoratum Beecher Crampton 1966-6-14 7746 Yuba 1 mile east of Brownsville. 731 Comment
  HSC100824  Anthriscus caucalis Lowell Ahart 2011-6-7 17369 Yuba Just S of gravel bar along the Yuba River, ~150 yd. W of the S end of Parks Bar Bridge, 15 (air) mi. NE of Marysville. 66 Comment
  JEPS113288  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
  RSA795346  Anthriscus caucalis L. Ahart 2011-6-7 17369 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
  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
  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
  JEPS117429  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
  CAS-BOT-BC392099  Aquilegia formosa Lowell Ahart 1979-6-25 s.n. Yuba 2 miles east of Challenge 700 Comment
  UC1278004  Aquilegia formosa B. Crampton 1957-6-5 4160 Yuba 3 mi e Oregon House Store Comment
  CHSC69130  Aralia californica Lowell Ahart 1997-8-7 7819 Yuba Bottom and sides of a small stream, a branch of Little Oregon Creek, on the east side of the dirt road, Peterson Ridge Road, about 3 miles (air) southeast of Challenge. 762 Comment
  JEPS94620  Aralia californica Lowell Ahart 1997-8-7 7819 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
  CAS-BOT-BC128688  Arbutus menziesii Alice Eastwood 1918-4-7 6800 Yuba Camptonville Comment
  UCR189625  Arbutus menziesii George K. Helmkamp, E. A. Helmkamp 2007-8-29 12838 Yuba Northern Sierra Nevada Mountains Foothills, along Hwy CA-49, 0.5 mile south of Camptonville 817 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
  CAS-BOT-BC38553  Arctostaphylos mewukka subsp. truei Volney Rattan 1880-1-1 s.n. Yuba Yuba Co. Comment
  CAS-BOT-BC46712  Arctostaphylos patula Alice Eastwood 1918-4-7 6797 Yuba Camptonville. Comment
  SEINET11995503  Arctostaphylos truei W. Knight, Knight, I.; Knight, T. 1988-1 6298 Yuba Kellogg Flat near Woodleaf, on La Porte Rd 914 Comment
  UCD52570  Arctostaphylos viscida B. F. Smith 1968-9-20 90 Yuba Gochette Ranch, 3 miles east of Challenge, Yuba County, California. 883 Comment
  UCD52572  Arctostaphylos viscida Kathleen Keliher 1975-5-6 89 Yuba Along Forbestown Road, one mile east of Woodleaf, Yuba County, California. 929 Comment
  CAS-BOT-BC137559  Aristida oligantha Roxana S. Ferris 1927-11-5 6942 Yuba 7 miles from Brown Valley on Marysville Road. Comment
  CHSC69160  Aristida oligantha Lowell Ahart 1997-8-7 7808 Yuba On the north side of New York Flat Road, about one mile northwest of La Porte Road, about 1 mile north of Brownsville. 731 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
  SEINET12765112  Aristida oligantha Lowell Ahart 1997-8-7 7808 Yuba On the north side of New York Flat Road, about 1 mile north of Brownsville.; 0 732 Comment
  LA76973  Aristolochia californica C. B. Adams; 1930-10-13 1741 Yuba Small creek flowing into Yuba River on Browns Valley to Smartsville Road 152 Comment
  RSA1885  Aristolochia californica C. B. Wolf 1930-10-13 1001 Yuba On Browns Valley - Smartsville Rd. 152 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
  CHSC97754  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
  UCD129287  Artemisia douglasiana G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12830 Yuba Northern Sierra Nevada Mountains: Mountain House Road 0.6 mile west of the Sierra County line. Sleighville area beside Willow Creek. 1021 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
  UCD15416  Asclepias cordifolia Collector Unknown 1974-5-15 215 Yuba Yuba Co., 0.9 mi S of Camptonville on Hwy. 49; 762 Comment
  CHSC43319  Asclepias speciosa Lowell Ahart 1979-6-25 1934 Yuba Near the edge of LaPorte Road, about 2 miles south-west of Brownsville. 365 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
  RSA507792  Aster oregonensis J. C. Semple, S. Heard 1986-8-13 8413 Yuba C. 9000 LaPorte Rd., near Brownsville. 1.3 km west of New York Flat Road. Comment
  SEINET10904921  Aster radulinus Lowell Ahart, Peter Ahart 1983-8-10 Ahart 4276 Yuba On yellowish-red rocky soil, ca. 2 mi e of Clipper Mills. Yellow Pine Forest; 1000 m. 1000 Comment
  CHSC69136  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
  RSA726338  Athyrium filix-femina subsp. cyclosorum L. Ahart 2007-8-7 14410 Yuba Hampshire Creek Meadow, about 80 yards east of the dirt road, about 1 mile east of Clipper Mills. 1021 Comment
  CAS-BOT-BC66030  Athyrium filix-femina var. cyclosorum W. Fred Ayres Summer 1925 s.n. Yuba unspecified Comment
  CHSC90341  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
  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
  UCD81495  Athysanus pusillus Christopher Michael Bronny 2009-4-1 7 Yuba Oat Hills' area of Sierra Nevada foothills. 194 Comment
  UCD56176  Avena barbata Beecher Crampton 1962-4-17 6170 Yuba Ca. 2 miles south of Marysville. Island Road and State Hwy. 24. Comment
  UCD56208  Avena barbata Beecher Crampton 1964-4-24 6269 Yuba 5 miles E of Browns Valley. Sierra Foothill Range. Field Station. 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
  UCD123527  Bacopa rotundifolia C. F. Dunshee 1925-1 s.n. Yuba Sacramento Valley. Comment
  CHSC43813  Barbarea orthoceras Lowell Ahart 1979-6-4 1924 Yuba Near a stream, along the county road, west of the bridges across Slate Creek. 640 Comment
  CHSC68473  Barbarea orthoceras Lowell Ahart 1997-4-6 7718 Yuba Along the south side of Dry Creek, at the intersection of Scott Forbes Road and Peoria Road, just east of the bridge across Dry Creek, about 14 miles northeast of Marysville. 60 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
  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
  CHSC76265  Bidens cernua var. cernua Lowell Ahart 1999-9-17 8260 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
  JEPS115047  Bidens frondosa Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-9-18 14497 Yuba On the east side of a small pond, on the west side of the dirt road, Hampshire Creek Meadow, about 2 yards west of the dirt road, about 1 mile (air) east of Clipper Mills 1015 Comment
  UCR169009  Blennosperma nanum David Charlton 2005-5-16 8013 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-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
  JEPS103252  Botrychium multifidum Lowell Ahart 2002-10-9 9964 Yuba E of a small stream, at the high water line of Sly Creek Reservoir, ca 1/8 mile SW of the Day Camp, Sly Creek Reservoir. 1075 Comment
  RSA726784  Boykinia occidentalis L. Ahart, Lawrence Janeway, Linnea Hanson 2007-7-13 s.n. Yuba About 100 yards east of the poor Forest Road, about 1 mile (air) east of Clipper Mills. 1021 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
  JEPS118354  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
  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
  UCD57001  Brachypodium distachyon Beecher Crampton 1957-6-5 4164 Yuba Opposite old Stewart and Bros. and Wells Fargo Store. Site of old Timtuctoo. Comment
  UCD57012  Brachypodium distachyon Beecher Crampton 1957-6-5 4121 Yuba 10 miles E of Marysville. Along State Hwy. 20. 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
  CAS-BOT-BC186700  Brassicaceae Lowell Ahart 1974-5-18 s.n. Yuba About 5 miles west of Loma Rica 300 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
  CHSC97655  Briza maxima Lowell Ahart 2007-5-14 13863 Yuba 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
  RSA727116  Briza maxima L. Ahart 2007-5-14 13863 Yuba About 13 miles (air) northeast of Marysville. 36 Comment
  UCR232224  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 (47 deg. ) of Wheatland 56 Comment
  UCR232230  Briza maxima George K. Helmkamp, E. A. Helmkamp 2011-5-6 17213 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
  CHSC107150  Briza minor L. P. Janeway; Melanie Williams, Tim Hanson 2011-6-9 10373 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
  JEPS118731  Briza minor L. P. Janeway and Melanie Williams, Tim Hanson 2011-6-9 10373 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
  UCD57388  Briza minor Barbara Yungert 1974-4-12 25 Yuba Along four wheel drive road, north of Yuba River, F-2 project area, Sierra Foothill Field Station. Comment
  UCR258214  Briza minor George K. Helmkamp, Amy Barnes 2013-3-28 20264 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 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
  UCD77153  Brodiaea coronaria Robert E. Preston 2003-5-25 2147 Yuba Ca. 3.65 mi WSW of Smartville, along Hammonton-Smartville Rd. 98 Comment
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Jun 17 2014
  UCD77172  Brodiaea coronaria Robert E. Preston 2004-6-12 2256 Yuba 1.6 mi SW of Camptonville, along Marysville Rd, 0.2 mi W of its jct with Hwy 49. 762 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
  UCD77171  Brodiaea elegans subsp. elegans Robert E. Preston 2004-6-12 2257 Yuba 1.6 mi SW of Camptonville, along Marysville Rd, 0.2 mi W of its jct with Hwy 49 762 Comment
  CAS-BOT-BC484284  Brodiaea elegans subsp. elegans Alice Eastwood 1921-5-22 10583 Yuba Los Verjeles Comment
  CHSC22961  Brodiaea minor Robert A. Schlising 1963-5-3 2546 Yuba 29.4 miles west of Nevada City along Hwy 20. Comment
  UCD77170  Brodiaea minor Robert E. Preston 2004-6-12 2258 Yuba 0.9 mi E of Dobbins, along Marysville Rd 644 Comment
  JEPS13878  Brodiaea minor Rimo Bacigalupi with L. R. Heckard, Ruth Sanderson and Geo. Bacigalupi 1952-6-20 3759 Yuba edges of desiccated roadside pool just n Washington Mill (along road from Brownsville to Oregon House, 1.5 mi due s of Brownsville) 609 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
  SEINET12058489  Brodiaea minor F. H. Utech 1990-6-5 90 -857 Yuba Tahoe National Forest, Oregon Creek area, on CA 49 near junction with Middle Fork of Yuba River 500 Comment
  UCD139151  Brodiaea nana Louis K. Mann 1957-4-21 s.n. Yuba beside State Highway 20, around 3 miles northeast of Marysville. Comment
  CAS-BOT-BC484573  Brodiaea purdyi Lewis S. Rose 1940-5-28 40402 Yuba Oregon House 457 Comment
  CHSC107170  Brodiaea sierrae L. P. Janeway 2011-7-5 10490 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 around edges of the meadow. 750 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
  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
  CHSC115905  Brodiaea sierrae L. P. Janeway 2015-6-29 11785 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
  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
  UC1133869  Brodiaea sierrae M. A. Elvin 1933-7-8 46 Yuba 1/2 mi s Indiana Ranch; Smartsville Quadrangle 579 Comment
  UCD58309  Bromus carinatus Beecher Crampton 1962-4-24 6298 Yuba 5 miles E of Browns Valley. Sierra Foothill Range Field Station. Comment
  UCR118899  Bromus carinatus Beecher Crampton 1954-5-10 1845 Yuba Central Sierra Nevada foothills, 6 miles south of Camptonville, along Hwy. 49 457 Comment
  CHSC63306  Bromus commutatus Lowell Ahart 1994-6-5 7303 Yuba On the south side of Costa Creek, on the east side of Forbestown Road, about 3 (air) miles east of Forbestown. 853 Comment
  UCD58444  Bromus commutatus Beecher Crampton 1957-6-5 4146 Yuba 1/2 mile W of Oregon House Post Office. Comment
  UCD58472  Bromus commutatus Beecher Crampton 1965-6-17 7376 Yuba Ca. 3/4 mile north of Stanfield Hill. Willow Glen Creek. 396 Comment
  RSA0107419  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
  UCD58541  Bromus diandrus Beecher Crampton 1962-4-17 6171 Yuba Ca. 2 miles south of Marysville. Island Road and State Hwy. 24. Comment
  UCD58591  Bromus diandrus Beecher Crampton 1962-4-24 6272 Yuba 5 miles E of Browns Valley. Sierra Foothill Range Field Station. Comment
  UCD59483  Bromus diandrus Beecher Crampton 1962-4-24 6246 Yuba 5 miles E of Browns Valley. Sierra Foothill Range Field Station. Comment
  UCR257161  Bromus diandrus George K. Helmkamp 2014-4-17 22770 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
  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
  SEINET4391031  Bromus diandrus D. E. Selleck 1979-4-28 s.n. Yuba Sierra Fielid Station-UC Davis. Comment
  CHSC97463  Bromus hordeaceus Lowell Ahart 2007-5-12 13823 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
  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
  SEINET3439301 Image available Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2011-5-6 17204 Yuba East edge of Sacramento Valley: junction of Camp Far West Road and Spenceville Road, 5.4 mi NE of Wheatland Comment
  UCD58825  Bromus hordeaceus Beecher Crampton 1962-4-24 6244 Yuba 5 miles E of Browns Valley. Sierra Foothill Range Field Station. 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
  SEINET4391216  Bromus hordeaceus C. Aarstad 1979-4-28 s.n. Yuba At junct of Rt. 20 and N fork of Yuba in Browns Valley 183 Comment
  SEINET4391217  Bromus hordeaceus A. Tiehm 1975-4-25 633 A Yuba U.C. Sierra Foothill Field Station 198 Comment
  CAS-BOT-BC162367  Bromus madritensis Peter H. Raven 1953-5-9 s.n. Yuba 3.7 miles from Browns Valley on Challenge Road. Comment
  UCD58967  Bromus madritensis Beecher Crampton 1965-6-17 7372 Yuba Ca. 3/4 mile north of Stanfield Hill. Willow Glen Creek. 396 Comment
  CHSC40951  Bromus orcuttianus J. D. Jokerst 1984-7-5 2082 Yuba Canyon of Deadwood Creek, between the creek and Weed Point. 883 Comment
  JEPS104069  Bromus orcuttianus Lowell Ahart 2003-7-2 10340 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
  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
  UCD32530  Bromus sterilis Beecher Crampton 1954-5-10 1846 Yuba Yuba County, 6 miles south of Camptonville, along highway 49, north slope near the middle of the Yuba River. Comment
  JEPS100272  Bromus tectorum Dean W. Taylor 2001-5-9 17645 Yuba canyon of the North Fork Yuba River near Kelley Bar, Plumas National Forest 609 Comment
  UCD60220  Bromus tectorum Beecher Crampton 1954-5-10 1843 Yuba North slope of the Middle Yuba River, along Hwy. 49, 7 miles south of Camptonville. 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
  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
  CHSC97446  Callitriche heterophylla var. bolanderi Lowell Ahart 2007-5-14 13884 Yuba Wet bare soil, on the bottom of a swale, moisture is from a leaking canal, about 250 yards west of the power tower. Power tower is about 30 yards north of of Fruitland Road, about 13 miles (air) northeast of Marysville. 35 Comment
  JEPS124312  Callitriche heterophylla var. heterophylla Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-11-14 20649 Yuba Below the high water line of Lake Francis, about 1 1/2 miles south of Dobbins. Comment
  CHSC3656  Calochortus albus Robert D. Briggs 1966-4-6 R- 113 Yuba One mile east of Smartsville, on hwy. #20. Comment
  CHSC59834  Calochortus albus Richard Nichols 1980-4-26 20 Yuba Along Peoria Rd., ca. 0.5 mi n of Jct with Sicard Flat Rd., ca. 2 mi ne of Hwy 20, and ca. 5 mi nw of Smartville. 243 Comment
  CAS-BOT-BC487483  Calochortus albus Alice Eastwood 1921-5-22 10558 Yuba Los Vergils 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
  SEINET7072987  Calochortus luteus 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
  UCD169987  Calochortus luteus M. Sciutto-Creps 1998-4-26 36 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, throughout the whole grassland area. 43 Comment
  CAS-BOT-BC483431  Calochortus luteus Mrs. J. E. Cramsie 1923-5-22 s.n. Yuba Smartville Comment
  CAS-BOT-BC483432  Calochortus luteus Lillian S. Mott 1965-4-21 LM 6549 Yuba Highway 20 to Marysville 518 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
  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
  CHSC32089  Calochortus monophyllus L. Ahart 1976-4-15 1075 Yuba Near edge of rd to Brownsville Dump, Brownsville. 457 Comment
  CHSC59576  Calochortus monophyllus H. E. Mac Lennan 1992-4-5 9 Yuba 20 air miles se of Oroville. 518 Comment
  SBBG16191  Calochortus monophyllus H. and M. Dearing 1939-5-6 3282 Yuba near Challenge Comment
  UC477577  Calochortus monophyllus L. S. Smith May 1931 Yuba Camptonville Dist. Tahoe National Forest Comment
  UC640273  Calochortus monophyllus H. and M. Dearing 1939-5-5 3283 Yuba near Challange Comment
  UCD139559  Calochortus monophyllus K. Lui 1998-5-25 35 Yuba Tahoe National Forest, Indian Rock, at Halls Ranch Trailhead, roadside ditch; 1 km west of Indian Valley Campground on Hwy 49. 1530 Comment
  CAS-BOT-BC493110  Calochortus monophyllus Peter H. Raven 1953-5-9 5470 Yuba 1 mile from Brownsville on road to Challenge Comment
  UCD112038  Calochortus uniflorus Christopher Mallek 2008-5-5 IC3- 13 Yuba Indiana Creek. 617 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
  JEPS98515  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
  SEINET11268342  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.; 0 975 Comment
  UC1876156  Calycadenia multiglandulosa Gerald D. Carr 1971-8-15 632 Yuba 0.6 mi N of Oregon House Post Office on road to Brownsville. Comment
  UC1876172  Calycadenia multiglandulosa Gerald D. Carr 1971-5-23 554 Yuba 0.6 mi N 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
  SEINET11836280  Calycadenia oppositifolia L. S. Rose 1940-1 40399 Yuba Oregon House 457 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
  SFV18641  Calycanthus occidentalis J. D. Dilley 2000-9-16 397 Yuba Sierra Nevada Oregon Creek picnic area on Highway 49, 18 miles north of Nevada City. 445 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
  SEINET5717678 Image available Calycanthus occidentalis Wayne Blizzard 1974-1 36 Yuba Ca. 300 yards south of Station Headquarters, University of California Sierra Foothill Range Field Station.; UC Foothill Field Station Comment
  CHSC84995  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, about 400 yards southwest of the Day Camp, Sly Creek Reservoir. 1072 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
  JEPS95508  Calystegia occidentalis subsp. occidentalis Lowell Ahart 1994-6-27 8000 Yuba 4 mi NE of Strawberry Valley (along the N side of a small stream, E bank of the logging road, E of Schwartz Meadow, on the E side of La Porte Road) 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
  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
  CHSC32105  Camissonia campestris subsp. campestris L. Ahart 1976-4-10 1053 Yuba Along edge of rd, end of rd by Peach Tree Country Club, ca. 1 mi e of Maysville, from the club go east ca. 3 mi until main drive ends, then take the private drive to your right and this is where the plants are found. 27 Comment
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Jul 7 2020
  SEINET7072718  Camissonia gouldii 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
  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
  CHSC97452  Capsella bursa-pastoris Lowell Ahart 2007-5-14 13847 Yuba On dry red bare soil, east of the dirt road, about 20 yards northeast of the gate, about 20 yards south of the second power tower, about 30 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 35 Comment
  JEPS113508  Capsella bursa-pastoris Lowell Ahart 2007-5-14 13847 Yuba On dry red bare soil, east of the dirt road, about 20 yards northeast of the gate, about 20 yards south of the second power tower, about 30 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 35 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
  UCD114530  Cardamine Kathleen Keliher 1975-4-1 50 Yuba end of road between old station headquarters and Yuba River, H 8-11 project area, Sierra Foothill Field Station. 91 Comment
  CHSC97495  Cardamine oligosperma Lowell Ahart 2007-5-12 13781 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
  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
  JEPS106277  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
  CDA6863  Carduus pycnocephalus William J. Ferlatte, A. Hill 1971-8-31 1369 Yuba Camp Far West, 1.4 miles past road to boat ramp on North Recreation Area road. 0 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
  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
  SEINET13327107  Carex angustata L. Ahart 2010-7-27 16917 Yuba Notrh 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
  UCR118909  Carex aquatilis Beecher Crampton 1962-4-24 6289 Yuba Central Sierra Nevada foothills, University of California Foothill Field Station, 5 miles east of Brown's Valley, 2.5 miles NNW of Smartville 366 Comment
  CHSC63188  Carex aurea Lowell Ahart 1994-6-27 7384 Yuba In a boggy meadow, north of the dirt road that goes from La Porte to the Poverty Hill Mine (County Road), east of Schwartz Meadow, about 4 miles north-east of Strawberry Valley. 1219 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
  CHSC105837  Carex echinata subsp. echinata Lowell Ahart 2010-7-27 16916 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 meadow. 1219 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
  JEPS117653  Carex echinata subsp. echinata Lowell Ahart 2010-7-27 16916 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 meadow 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
  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
  SEINET11125895 Image available Carex feta Unknown 2010-1 24978 Yuba W side of Challenge Cutoff, 2.5 air km NE of Brownsville, Northern Sierra Nevada Highlands (n SNH) Comment
  SEINET7485197 Image available Carex feta Peter F. Zika, Peter F. Zika 2010-1 24978 Yuba W side of Challenge cut-off, 2.5 air km NE of Brownsville, northern Sierra Nevada Highland (n SNH) Comment
  SEINET10650510  Carex feta Lewis S. Rose 1940-5-28 Rose 40384 Yuba Browns Valley. 61 Comment
  SEINET7558578 Image available Carex feta Andrew L. Hipp, Glen C. Clifton 1999-5-29 385 Yuba Marysville Road. Comment
  CHSC96548  Carex gracilior L. P. Janeway 2006-5-24 8631 Yuba Northern Sierra Nevada Foothills. South side of Frenchtown Road 1.2 road km northeast of Marysville Road and Oregon House. 483 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
  SEINET7560142 Image available Carex gracilior L. P. Janeway 2006-5-24 8631 Yuba Oregon House 7.5' Quad. Northern Sierra Nevada Foothills. South side of Frenchtown Road 1.2 road km northeast of Marysville Road and Oregon House. 483 Comment
  UC836272  Carex gracilior Lewis S. Rose 1940-5-28 40380 Yuba Browns Valley 60 Comment
  CAS-BOT-BC146654  Carex hirtissima Lewis S. Rose 1940-5-28 40386 Yuba Browns Valley 60 Comment
  CHSC63193  Carex hirtissima Lowell Ahart 1994-6-27 7386 Yuba Along the south side of a small 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
  CHSC63290  Carex hirtissima Lowell Ahart 1994-6-5 7304 Yuba On the south side of Costa Creek, on the east side of Forbestown Road, about 3 (air) miles east of Forbestown. 853 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
  JEPS87733  Carex hirtissima Lowell Ahart 1994-6-27 7386 Yuba ca. 4 mi. n.e. Strawberry Valley (s. side of small stream, e. of logging rd., e. of Schwartz Meadow, on e. side of La Porte Rd.) 1219 Comment
  JEPS87734  Carex hirtissima Lowell Ahart 1994-6-27 7386 Yuba on the e side of La Porte Road about 4 mi ne of Strawberry Valley; along the s side of a small stream, e of the logging road, e of Schwartz Meadow 1219 Comment
  SEINET3450853  Carex hirtissima Unknown 2003-7-6 10359 Yuba Dobbins, Dobbins, about 5 air miles north, east of the power line, about 60 yards northwest of Fountain Hill Road 830 Comment
  JEPS113729  Carex laeviculmis Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-7-13 14295 Yuba On the south side of Hampshire Creek, on the south 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
  CHSC84197  Carex lemmonii Lowell Ahart 2003-7-6 10360 Yuba Along a small stream 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
  JEPS95438  Carex lemmonii Lowell Ahart 1994-6-5 7298 Yuba about 3 (air) miles E of Forbestown (Costa Creek, on the S side of Forbestown Road) 853 Comment
  JEPS95507  Carex lemmonii Lowell Ahart 1994-6-27 7387 Yuba 4 mi NE of, E of the logging road, E of Schwartz Meadow, E side of La Porte Road Strawberry Valley 1219 Comment
  CHSC115302  Carex multicaulis Lowell Ahart 2015-4-30 20125 Yuba Open forest, on the south side of the gravel road, about 10 yards east of the gate, about 3/4 mile (air) southeast of Woodleaf. Mixed Evergreen Forest. 948 Comment
  JEPS100270  Carex multicaulis Dean W. Taylor 2001-5-9 17643 Yuba canyon of the North Fork Yuba River near Kelley Bar, Plumas National Forest 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
  CAS-BOT-BC117350  Carex stipata var. stipata Beecher Crampton 1966-6-14 7758 Yuba 1 mi E of Brownsville, La Porte Road. Comment
  UCD140887  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-BC499134  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
  CHSC102952  Carex xerophila L. P. Janeway 2006-5-24 8626 Yuba Northern Sierra Nevada Foothills. Along Forsythe Road 2.7 road km south of New York House Road; above Prince Albert Creek. 604 Comment
  CHSC102953  Carex xerophila L. P. Janeway 2006-5-24 8616 Yuba Northern Sierra Nevada Foothills. Along Ponderosa Way 1.3 road km southeast of Robinson Mill Road; 1.3 km southeast of Robinson Mills and Forbestown Road. 771 Comment
  HSC104265  Carex xerophila P. F. Zika, L. P. Janeway 2012-5-16 25871 Yuba Northern Sierra Nevada Foothill/Highlands boundary; Brownsville, 3 air mi. W of Ruff Hill, just east of junction of Jiggs Rd. and Ponderosa Way 715 Comment
  JEPS121793  Carex xerophila L. P. Janeway 2006-5-24 8626 Yuba Northern Sierra Nevada Foothills. Along Forsynthe Road 2.7 road km south of New York House Road; above Prince Albert Creek. Comment
  JEPS122427  Carex xerophila Peter F. Zika with 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) Comment
  RSA0056157  Carex xerophila L. P. Janeway 2006-5-24 8619 Yuba Northern Sierra Nevada Foothills. East side of Ponderosa Way 1.3 km north of La Porte Road & Brownsville. 686 Comment
  SD257103  Carex xerophila P. F. Zika, L. P. Janeway 2012-5-16 25871 Yuba Just E of junction of Jiggs Road and Ponderosa Way, 3.0 air km W of Ruff Hill, Brownsville. 715 Comment
  SEINET12650009 Image available Carex xerophila L. P. Janeway 2006-1 8626 Yuba 604 Comment
  SEINET10806562  Carex xerophila Peter F. Zika, Lawrence P. Janeway 2012-5-16 Zika 25871 Yuba E of junction of Jiggs Road and Ponderosa Way, 3 air km W of Ruff Hill, Brownsville. Northern Sierra Nevada Foothill/Highlands boundary (nSNF/H) 715 Comment
  CHSC41265  Castilleja affinis J. D. Jokerst 1984-4-23 1984 Yuba Ca. 1/4 mile north of the north Fork of the Yuba River at Wambo Bar. Comment
  CHSC115303  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-5-9 20147 Yuba On the west side of the road, on the steep road cut, Highway 49, about one mile northeast of the intersection of Marysville Road and Highway 49, about 2 miles southwest of Camptonville. Mixed Evergreen Forest. 803 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
  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
  JEPS118574  Castilleja lacera L. P. Janeway 2011-6-2 10357 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
  UCD122592  Castilleja lineariloba Barbara Yungert 1974-4-25 89 Yuba SC-14 project area, Sierra Foothill Field Station. 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
  UCD123054  Castilleja rubicundula subsp. lithospermoides Barbara Yungert 1974-5-6 126 Yuba along Road 6, K 1-11 project area, Sierra Foothill Field Station. 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
  UCD80765  Castilleja tenuis CNPS SN Foothill Team 2005-6-1 SNFN 0173 d Yuba CDFG, Daugherty Hill Wildlife Area, in the 'C' shaped parcel located to the east of the Daugherty Hill unit. 623 Comment
  UC1281467  Ceanothus H. E. McMinn 1946-5-11 5506 Yuba road from Dobbins to Camptonville; road from Dobbins to Camptonville Comment
  UCD110816  Ceanothus cuneatus Christopher Mallek 2008-1 s.n. Yuba Indiana Creek. 617 Comment
  CAS-BOT-BC64377  Ceanothus diversifolius Elmer I. Applegate 1934-5-2 8891 Yuba Indian Valley Region, northern Yuba County. Comment
  RSA17724  Ceanothus diversifolius Elmer I. Applegate 1934-5-2 8891 Yuba Indian Valley region Comment
  CAS-BOT-BC50709  Ceanothus integerrimus L. S. Smith 1939-4-19 2815 Yuba Near Camptonville 609 Comment
  SJSU14290  Ceanothus integerrimus N. A. Hopkins 1989-6-29 1541 Yuba Ridge Rd to Allegheny c. 2 mi off Hwy 49 914 Comment
  SEINET5339329  Ceanothus integerrimus M. Dailey 2003-1 33 Yuba 12 mi South of Grass Valley, Calif., on Hiway 20. 533 Comment
  CHSC10762  Ceanothus integerrimus var. californicus Lowell Ahart 1968-5-15 Yuba Near Bullards Bar Dam. 914 Comment
  CAS-BOT-BC50721  Ceanothus integerrimus var. macrothyrsus Peter H. Raven 1953-5-9 5466 Yuba 3 miles e. of Brownsville on road to Bangor Comment
  CAS-BOT-BC50588  Ceanothus lemmonii Peter H. Raven 1953-5-9 5473 Yuba 1 mile from Brownsville on road to Challenge Comment
  CDA14556  Ceanothus lemmonii G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3032 Yuba 1.4 miles west of New Bullards Bar Dam, between Log Cabin and Camptonville. 609 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
  SBBG4337  Ceanothus lemmonii H. and M. Dearing 1939-5-6 3286 Yuba W of Challenge 609 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
  UC1070795  Ceanothus lemmonii M. A. Elvin 1933-7-1 33 Yuba 1 1/2 mi S of Virginia Ranch Smartsville Quad. 457 Comment
  UC634626  Ceanothus lemmonii H. L. Mason 1927-5-11 3723 Yuba near Dobbins 457 Comment
  UCD112157  Ceanothus lemmonii H. and M. Dearing 1939-5-6 3286 Yuba West of Challenge. 609 Comment
  CHSC32103  Ceanothus prostratus L. Ahart 1975-5-4 749 Yuba Near Brownsville. 609 Comment
  CDA35772  Centaurea jacea J. R. Keck Jr., Horn 1989-8-23 PDR# 893580 Yuba North side of La Porte Rd. (E21) halfway between Challenge and Woodleaf. 0 Comment
  CHSC116341  Centaurea jacea nothosubsp. pratensis J. R. Keck Jr.; Horn 1989-8-23 PD 893580 Yuba North side of La Porte Rd. (E21) halfway between Challenge and Woodleaf. Comment
  CAS-BOT-BC277077  Centaurea melitensis Lowell Ahart 1981-6-13 2852 Yuba South side of McGinn Hill, east of Loma Rica 300 Comment
  UCD130041  Centaurea melitensis Beecher Crampton 1971-6-18 8736 Yuba Sierra Foothill Range Field Station. Ca. 7 miles E of Browns Valley. 'Black Oak Pass' area. Comment
  JEPS21726  Centaurium muehlenbergii Alice Eastwood 1913-7-3 Yuba Wheatland Comment
  UC878346  Centaurium muehlenbergii Alice Eastwood 1913-7-3 3411 Yuba Wheatland 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
  CDA14558  Centaurium tenuiflorum G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3035 Yuba 1.4 miles west of New Bullards Bar Dam, between Log Cabin and Camptonville. 609 Comment
  CHSC113188  Centaurium tenuiflorum Lowell Ahart 2013-11-30 19308 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
  JEPS120966  Centaurium tenuiflorum Lowell Ahart 2013-11-30 19308 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
  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
  JEPS114056  Centromadia fitchii Robert E. Preston 2007-9-21 2578 Yuba 3.5 mi S of Olivehurst, at jct Plumas-Arboga Rd and Old Marysville Rd. Comment
  CAS-BOT-BC288822  Centromadia fitchii Mrs. H. C. Cantelow 1940-5-13 3060 Yuba E of Marysville on road to Grass Valley Comment
  JEPS113633  Centunculus minimus Lowell Ahart 2007-5-12 13810 Yuba Bottom of a scraped area, about 30 feet west 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
  CHSC46538  Cephalanthera austiniae Lowell Ahart 1974-5-29 457 Yuba About 1 mile north of Challenge. 914 Comment
  SBBG1146  Cephalanthera austiniae H. and M. Dearing 1939-5-8 3503 Yuba near Camptonville Comment
  RSA715478  Cerastium glomeratum L. Ahart 2005-3-11 11605 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
  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
  SEINET12167216  Cercis occidentalis F. H. Utech 1990-1 90 -858 Yuba Tahoe National Forest, Oregon Creek area, on CA 49 near junction with Middle Fork of Yuba River 500 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
  CAS-BOT-BC140760  Chamaebatia foliolosa Brighton C. Cain 1925-8-16 38 Yuba Junction of roads from Marysville and Nevada City to Downieville Comment
  CAS-BOT-BC140761  Chamaebatia foliolosa Elmer I. Applegate 1934-5-2 8896 Yuba Near Indian Valley Comment
  SEINET3814609 Image available Chamaebatia foliolosa Lewis S. Rose 1933-5-27 33204 Yuba Woodleaf. 1052 Comment
  SEINET7073622  Chamaebatia foliolosa A. G. Vestal 1955-5-21 s.n. Yuba About 17.8 miles east of Oroville on Forbestown Road. UTM Zone 10, 647812mE, 4376141mN. Coordinate datum: NAD27. Comment
  UCR206954  Chamaebatia foliolosa George K. Helmkamp, E. A. Helmkamp 2009-5-28 14826 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.5 mile north of the Camptonville exit 805 Comment
  CHSC69139  Chamaesyce maculata Lowell Ahart 1997-8-7 7806 Yuba On the north side of New York Flat Road, about one mile northwest of La Porte Road, about 1 mile north of Brownsville. 731 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
  JEPS102535  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
  SEINET3013990  Chamaesyce maculata L. Ahart 1997-8-7 7806 Yuba On the N side of New York Flat Rd., about 1 mi NW of La Porte Rd., about 1 mi N of Brownsville. 732 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
  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
  JEPS98462  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2000-6-11 8467 Yuba 6 air miles S of Smartville (a north branch of Dry Creek, 100 yds W of Smartville Road, 2 mi N of int of Waldo Rd and Smartville Rd) 146 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
  CAS-BOT-BC70099  Cheilanthes gracillima C. E. Dotey s.n. Yuba unspecified Comment
  JEPS35374  Cheilanthes gracillima G. E. Davenport 1877-1 Yuba Comment
Read comments
Jun 28 2010
  SEINET11711581  Cheilanthes gracillima E. O. Pelton 1878-1 s.n. Yuba no further locality Comment
  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
  CDA14559  Chenopodium botrys G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3036 Yuba 1.4 miles west of New Bullards Bar Dam, between Log Cabin and Camptonville. 609 Comment
  JEPS103443  Chenopodium pumilio Lowell Ahart 2002-10-9 9954 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
  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
  SEINET4566903 Image available Chlorogalum angustifolium James R. Shevock, Bob Holland 1985-1 11125 Yuba Sacramento Valley. Beale Air Force east of Marysville. Pools adjacent to runway. 40 Comment
  CAS-BOT-BC498792  Chlorogalum angustifolium Peter H. Raven 1953-5-9 5485 Yuba Flat soil of red plains ca. 4 mi. from Marysvlle on road to Grass Valley Comment
  CHSC115914  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
  RSA750426  Chondrilla juncea George K. Helmkamp, E. A. Helmkamp 2008-9-18 14130 Yuba Bullards Bar Dam, along Marysville Road, 6 miles southwest of its junction with CA-49 616 Comment
  UCR200882  Chondrilla juncea George K. Helmkamp, E. A. Helmkamp 2008-9-18 14130 Yuba Foothills, northern Sierra Nevada Mountains, Bullards Bar Dam, along Marysville Road, 6 miles southwest of its junction with CA-49 616 Comment
  RSA712897  Chondrilla juncea L. P. Janeway 1994-8-9 4725 Yuba Northern High Sierra Nevada, east side of Slate Creek about 3 miles NE of Strawberry Valley; along Road 20N35 (road to Scales) 0.4 mile southeast of its bridge across Slate Creek. 1037 Comment
  CAS-BOT-BC36351  Chrysolepis sempervirens Alice Eastwood 1918-4-7 6804 Yuba on Hills above North Fork & Yuba Rivers 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
  CHSC46130  Clarkia biloba subsp. brandegeeae Lowell Ahart 1981-6-13 2846 Yuba Along the new gravel road, north-east side of McGinn Hill, east of Loma Rica. 274 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
  SEINET12196708  Clarkia gracilis F. H. Utech 1990-6-5 90 -863 Yuba Tahoe National Forest, Oregon Creek area, on CA 49 near junction with Middle Fork of Yuba River 500 Comment
  LA206352  Clarkia gracilis subsp. gracilis H. Lewis; M. Lewis, M. R. Roberts 1951-5-19 820 Yuba 2.3 mi. E of Oregon House Comment
  CAS-BOT-BC172029  Clarkia gracilis subsp. gracilis Alice Eastwood 1921-5-22 10562 Yuba Los Vergils Comment
  RSA0060032  Clarkia gracilis subsp. gracilis Harlan Lewis, M. Lewis, M. Roberts 1951-5-19 820 Yuba 2.3 mi. east of Oregon House. 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
  CAS-BOT-BC163418  Clarkia purpurea subsp. quadrivulnera Mrs. J. E. Cramsie 1923-5-22 s.n. Yuba Smartsville 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
  UCD104955  Clarkia purpurea subsp. quadrivulnera Barbara Yungert 1974-5-8 137 Yuba North of Yuba River, F-2 project area, Sierra Foothill Field Station. Comment
  UCR194898  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, E. A. Helmkamp 2007-5-26 12136 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
  UCD104954  Clarkia purpurea subsp. quadrivulnera Barbara Yungert 1974-5-1 100 Yuba Sc-13 project area, Sierra Foothill Field Station. Comment
  CAS-BOT-BC164773  Clarkia rhomboidea Barbara T. Keller 1975-6-10 s.n. Yuba Willow Glen Rd. from Stanfield Hill to Brownsville, 11.5 mi. north of junction with Marysville Rd. Comment
  POM161753  Clarkia stellata R. C. Bacigalupi 1927-7-2 1584 Yuba Highway to Downieville about 8 mi NE of Camptonville. Comment
  UCD147082  Clarkia unguiculata Chuck Hughes 2013-5-2 367 Yuba Northwest margin of Camp Far West Reservoir. 93 Comment
  UCD100707  Claytonia parviflora subsp. parviflora Barbara Yungert 1974-4-16 40 Yuba Cambell Valley, Sierra Foothill Field Station. Comment
  SEINET11935684  Claytonia perfoliata F. H. Utech 1990-1 90 -870 Yuba Tahoe National Forest, Oregon Creek area, on CA 49 near junction with Middle Fork of Yuba River 500 Comment
  CAS-BOT-BC443757  Claytonia rubra subsp. rubra Alice Eastwood 1918-4-7 6801 Yuba Camptonville 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
  JEPS94316  Collinsia heterophylla Lowell Ahart 1997-4-6 7722 Yuba about 17 mi ne of Marysville (s of the poor dirt road, n of the Browns Valley Water Ditch, s of Dry Creek, about 1 mi e of Scott Forbes Road (Long Bar Road)) 182 Comment
  UCD123665  Collinsia sparsiflora Barbara Yungert 1974-4-16 49 Yuba south of Road 4, SC-14 project area, Sierra Foothill Field Station. Comment
  CHSC47689  Collinsia tinctoria Lowell Ahart 1981-6-13 2844 Yuba North-east side of McGinn Hill, east of Loma Rica. 274 Comment
  UCD35868  Collinsia tinctoria Beecher Crampton 1965-6-17 7378 Yuba ca. 0.75 mile north of Stanfield Hill, Willow Glen Creek. 396 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
  CHSC63260  Collomia heterophylla Lowell Ahart 1994-6-5 7297 Yuba On the north side of Costa Creek, on the south side of Forbestown Road, about 3 (air) miles east of Forbestown. 853 Comment
  POM161752  Collomia heterophylla R. C. Bacigalupi 1927-7-2 1582 Yuba Road to Downieville, 2 miles west of Camptonville Comment
Read comments
Nov 9 2011
  UCR201900  Convolvulus arvensis George K. Helmkamp, E. A. Helmkamp 2008-10-6 14200 Yuba Sacramento Valley, junction of CA-65 and Ostrom No. 3 Road, southeast of Olivehurst 24 Comment
  UCD126141  Convolvulus arvensis Barbara Yungert 1974-5-21 172 Yuba along road near old headquarters, Hill project near, Sierra Foothill Field Station. Comment
  CDA7451  Conyza bonariensis L. Ahart 1999-9-17 8254 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
  JEPS115030  Conyza floribunda Lowell Ahart 2007-11-1 14545 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
  CHSC39279  Cordylanthus tenuis subsp. tenuis Lowell Ahart 1983-8-10 4271 Yuba 4 miles south-east of Challenge. 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
  CAS-BOT-BC209883  Cornus nuttallii Lowell Ahart 1964-5-3 s.n. Yuba Near Bullard's Bar 914 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
  JEPS127129  Cornus sessilis Lowell Ahart 2016-9-9 21345 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
  JEPS95808  Coronopus didymus Lowell 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 24 Comment
  JEPS113631  Crassula tillaea Lowell Ahart 2007-5-12 13788 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
  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
  HSC7972  Croton setiger T. F. Newman 1965-10-9 6552 Yuba Carnes Ranch, 10 mi. N of Marysville Comment
  UC1254613  Crucianella angustifolia Beecher Crampton 1967-5-17 7945 Yuba 0.5 mi w 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
  UCD121546  Crucianella angustifolia Beecher Crampton 1957-6-5 4163 Yuba Town of Timbuctoo, across from old Stewart and Brothers and Wells Fargo Store. Comment
  CHSC81844  Crypsis alopecuroides Lowell Ahart 2001-11-2 9406 Yuba Camp Far West Reservoir, about 1/4 mile northeast of the dam, about 9 miles (air) southeast of Wheatland. 83 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
  CHSC81845  Crypsis schoenoides Lowell Ahart 2001-11-2 9405 Yuba Camp Far West Reservoir, about 1/4 mile northeast of the dam, about 9 miles (air) southeast of Wheatland. 83 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
  UCD59961  Crypsis vaginiflora Beecher Crampton 1958-7-11 5008 Yuba 4.7 miles northeast of Wheatland. Comment
  CHSC46747  Cryptantha affinis Lowell Ahart 1980-8-12 2544 Yuba Large gravel bar that is formed by a debris dam across Slate Creek, west of Gold Run Creek, east of Onion Creek, about 7 air miles south of La Porte. 1158 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
  CAS-BOT-BC80753  Cupressus macnabiana C. B. Wolf; E. R. Johnson 1934-10-3 6151 Yuba Sierra Nevada Foothills, Texas Hill, approx. 2 mi. W., of Dobbins 548 Comment
  CAS-BOT-BC80754  Cupressus macnabiana Alice Eastwood 1930-4-12 17931 Yuba near top of Texas [hill] Hill Comment
  CHSC43501  Cupressus macnabiana Lowell Ahart 1969-1-25 24 Yuba Near the Brownsville dump, about 2 miles west of Brownsville. 609 Comment
  NY16722  Cupressus macnabiana C. B. Wolf 1934-10-4 6157 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
  UC573355  Cupressus macnabiana H. A. Jensen 1934-11-14 376 Yuba 2 mi nw Indiana Ranch; Smartsville Quadrangle 548 Comment
  UCD110852  Cupressus macnabiana Christopher Mallek 2008-1 IC- 1 Yuba Indiana Creek. 617 Comment
  UCD133516  Cupressus macnabiana E. L. Begg 1970-8-6 s.n. Yuba Lake Mildred, Oregon House. 609 Comment
  NY16725  Cupressus macnabiana C. B. Wolf 1934-10-3 6151 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
  SEINET10531481  Cupressus macnabiana Carl B. Wolf, E. R. Johnson 1934-10-3 Wolf 2116 Yuba Sierra Nevada Foothills, Texas Hill, approx. 2 mi W of Dobbins. Upper sonoran:- Yellow Pines. Sun. Sterile rocky soil (granitic). 550 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
  CHSC97652  Cuscuta howelliana Lowell Ahart 2007-5-12 13789 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
  UCD126292  Cuscuta howelliana F. T. Griggs 1978-5-19 s.n. Yuba 200 meters west of North Recreation Area, Camp Far West Reservoir. Comment
  UCD126295  Cuscuta howelliana F. T. Griggs 1978-5-13 s.n. Yuba on Steen property, 6 miles east of Wheatland. Comment
  UCD126298  Cuscuta howelliana F. T. Griggs 1978-5-19 s.n. Yuba near western margin of Beale Air Force Base, along Erle Road, 3.5 miles east of Lindhurst Road. Comment
  CDA33432  Cuscuta japonica Todd Quist & Steve Andersen 2008-12-1 PDR# 1295535 Yuba Marysville; 5667 Tish Circle. 0 Comment
  CDA41307  Cuscuta japonica J. Deviney, Anderson, Umino 2005-8-3 PDR 1295323 Yuba Sacramento Valley; 4838 Western Ave, Olivehurst. 0 Comment
  CDA27730  Cuscuta japonica Todd Quist, Kevin Roush 2008-12-9 PDR# 1295536 Yuba Marysville, 5913 Garden Ave 0 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
  JEPS113724  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
  UCD119167  Cynoglossum grande Kathleen Keliher 1975-5-15 108 Yuba Along Cleaveland Road, 3 miles east of Camptonville. 914 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
  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
  CHSC69436  Cyperus difformis Lowell Ahart 1997-8-13 7684 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
  CHSC96938  Cyperus eragrostis Lowell Ahart 2007-6-30 14229 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
  JEPS113718  Cyperus eragrostis Lowell Ahart 2007-6-30 14229 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
  JEPS64101  Cyperus eragrostis W. L. Jepson 1934-7-29 16760 Yuba Smartsville Comment
  JEPS94449  Cyperus eragrostis Lowell Ahart 1997-8-30 7879 Yuba about 1 air mi s of Woodleaf (on w side of the dirt road, near a road culvert) 944 Comment
  RSA726803  Cyperus eragrostis L. Ahart 2007-6-30 14229 Yuba About 13 miles (air) northeast of Marysville. 30 Comment
  UCD162515  Cyperus eragrostis Steve Matson 2007-5-19 1711 Yuba nSNF; lower Sierra foothills westslope; about 1 mile south of Highway 20, off Smartville Rd. Smiling Dog Ranch. 268 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
  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
  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
  CHSC23371  Cyperus flavescens Lowell Ahart 1975-9-11 Yuba Pasture on the Eugene Ahart Ranch in Marysville. 30 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
  JEPS95784  Cyperus iria Lowell Ahart 1999-9-5 8197 Yuba about 5 miles (air) northeast of Marysville; ; 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
  CHSC76302  Cyperus niger Lowell Ahart 1999-9-17 8256 Yuba On the edge of a drain ditch, Sam Shintaffer Farm, on the west side of Kimball Lane, near the intersection of Kimball Lane and Hallweed Blvd., about 3/4 mile south of Sam Shnitaffer's rice dryer, about 4 1/4 miles (air) northeast of Marysville. 22 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
  CHSC10804  Cytisus scoparius Lowell Ahart 1968-4-21 Yuba Five miles S.E. of Challenge. 609 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-BC190489  Dactylis glomerata Lowell Ahart 1979-6-25 s.n. Yuba 1 mile south of Challenge. Comment
  UCR206946  Dactylis glomerata George K. Helmkamp, E. A. Helmkamp 2009-5-28 14834 Yuba Sierra Nevada Mountains Foothills, along CA-49, 2.2 miles north of the Camptonville exit 811 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
  CHSC84454  Danthonia californica var. americana Lowell Ahart 2003-7-6 10368 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
  CHSC95029  Danthonia californica var. americana L. P. Janeway 2006-5-24 8615 Yuba Northern High 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. Moderate slope, south-facing. 771 Comment
  RSA712852  Danthonia californica var. americana L. P. Janeway 2006-5-24 8615 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 & Forbestown Road. 235 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
  UCD102619  Darmera peltata Kathleen Keliher 1975-5-8 99 Yuba Off Forbestown Road, near Catttle guards, Rowell's property. 152 Comment
  CHSC97227  Daucus carota Lowell Ahart 2007-6-22 14213 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
  JEPS113454  Daucus carota Lowell Ahart 2007-6-22 14213 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
  UC635338  Delphinium gracilentum H. L. Mason 1927-5-11 3732 Yuba near Dobbins 457 Comment
  SEINET12104133  Delphinium gracilentum F. H. Utech 1990-6-5 90 -869 Yuba Tahoe National Forest, Oregon Creek area, on CA 49 near junction with Middle Fork of Yuba River 500 Comment
  LA207396  Delphinium hansenii H. Lewis; Carl Epling 1941-5-26 sn Yuba Smartville Comment
  LA207395  Delphinium hansenii H. Lewis; M. Lewis 1947-6-7 764 Yuba 2.4 mi. W of Dobbins 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
  CAS-BOT-BC10237  Delphinium hesperium R. K. Wellman 1981-5-17 025 Yuba Junction of county roads E-20 and E-21 152 Comment
  CHSC41270  Delphinium patens J. D. Jokerst 1984-4-23 1982 Yuba Ca 1/2 mile north of the N Fork Yuba River at Wambo Bar. Comment
  UCD96546  Delphinium patens W. R. Powell 1968-5-15 1497 Yuba On Fountain House Road, 2 miles northeast of Dobbins. 792 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-BC116483  Delphinium patens subsp. patens Gordon H. True 1968-5-6 4229 Yuba Near Gales Orchard ca. 6 miles east of Camptonville 1249 Comment
  SEINET7042738  Delphinium variegatum A. G. Vestal 1963-5-30 s.n. Yuba Roadside between Daken Flat and the road north northeast to Brownsville. 5.3 miles north of the Dry Creek bridge. Rackerby quadrangle UTM Zone 10, 647847mE, 4368678mN. Comment
  UCD63493  Deschampsia elongata Beecher Crampton 1957-6-5 4157 Yuba 1.3 miles east of Oregon House Store. Comment
  CAS-BOT-BC43427  Descurainia sophia Lowell Ahart 2007-5-12 13782 Yuba Along road to the power towers, about 20 yards south of the first power tower, about 50 yards north of Fruitland Road. 35 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
  UCR206958  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2009-5-28 14830 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.5 mile north of the Camptonville exit 805 Comment
  CAS-BOT-BC402378  Dicentra formosa subsp. formosa Herbert L. Mason 1927-5-11 3734 Yuba Near Bullards Bar 609 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
  JEPS98606  Dichanthelium acuminatum subsp. fasciculatum Lowell Ahart 2000-6-19 8492 Yuba In a 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
  RSA653950  Dichanthelium acuminatum var. fasciculatum Beecher Crampton 1966-6-14 7745 Yuba 1 mile east of Brownsville on La Porte road. 732 Comment
  UCD112037  Dichelostemma capitatum Christopher Mallek 2008-5-5 IC3- 18 Yuba Indiana Creek. 617 Comment
  CAS-BOT-BC483644  Dichelostemma capitatum Peter H. Raven 1953-5-9 5469 Yuba 1 mile from Brownsville on road to Challenge Comment
  UCD139230  Dichelostemma capitatum Richard Sannar 1982-3-26 33 Yuba along both sides of Wheatland - Smartville Road, 3.7 miles NE of Wheatland. 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
  SEINET13276746 Image available Dichelostemma capitatum subsp. capitatum George K. Helmkamp 2014-1 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 (Smartsville 7.5' Q.) 264 Comment
  RSA333554  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-24 33 Yuba Along both sides of Wheatland-Smartville Road, 3.7 miles NE of Wheatland. 125 Comment
  RSA333563  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-25 42 Yuba Along both sides of Hammonton-Smartville Road, 1 mile E of N entrance to Beale AFB. 150 Comment
  CHSC108193  Dichelostemma multiflorum Lowell Ahart 2011-6-7 17420 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
  SBBG34511  Dichelostemma multiflorum H. and M. Dearing 1939-5-6 3281 Yuba Browns Valley Comment
  SEINET7072709  Dichelostemma multiflorum A. G. Vestal 1963-5-7 s.n. Yuba About 4.7 miles northeast of Honcut on Dustone Drive and about 5.2 miles southwest of Bangor. Coordinate Datum WGS84/NAD83. (UTM Zone 10, 632602E, 4361139mN. Coordinate datum: NAD 27) Comment
  UCR231333  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2011-5-6 17184 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-BC500915  Dichelostemma multiflorum Lewis S. Rose 1940-5-28 40405 Yuba Dobbins 518 Comment
  CAS-BOT-BC500916  Dichelostemma multiflorum L. S. Smith 1926-5-18 1869 Yuba Tahoe Forest, north side South Fork of Yuba, Downieville Road 762 Comment
  CAS-BOT-BC500917  Dichelostemma multiflorum Alice Eastwood 1921-5-22 10522 Yuba Los Vergils Comment
  SEINET3132583  Dichelostemma multiflorum L. S. Rose 1940-5-28 40405 Yuba Dobbins 518 Comment
  SEINET7042609  Dichelostemma multiflorum 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
  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
  CAS-BOT-BC501114  Dichelostemma volubile Alice Eastwood 1921-5-22 10521 Yuba Los Vergils 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
  JEPS94351  Digitaria sanguinalis Lowell Ahart 1997-8-13 7868 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
  CAS-BOT-BC151759  Diplacus kelloggii Gordon H. True 1963-5-2 1209 Yuba Oregon Creek at jct. with middle Yuba River, at Freeman's Crossing - Sierra Nevada 457 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
  CHSC97634  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
  SEINET8561734  Dodecatheon hansenii A. Tiehm 1975-1 653 Yuba U.C. Sierra Foothill Field Station. 396 Comment
  CHSC59582  Dodecatheon hendersonii H. E. Mac Lennan 1992-3-14 1 Yuba 20 air miles se of Oroville. 472 Comment
  SJSU8489  Dodecatheon hendersonii J. B. Willis Jr. 1969-4-19 32 Yuba edge of Marysville Rd near Oregon House Post Office, 7.5 mi W of Dobbins Comment
  UCD118967  Dodecatheon hendersonii Barbara Yungert 1974-4-8 9 Yuba West of Forbes Hill Road, H-9 project area, Sierra Foothill Field Station. Comment
  UCD118970  Dodecatheon hendersonii Barbara Yungert 1974-4-16 49 Yuba Near wire gate, Koch Livestock Free Area, Sierra Foothill Field Station. Comment
  UCR168801  Downingia David Charlton 2005-5-16 8029 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
  SEINET7072552  Downingia bacigalupii A. G. Vestal 1963-5-7 s.n. Yuba About 3.5 miles north of Wheatland on Jasper Lane. Coordinate datum: NAD 27. UTM Zone 10, 636590mE, 4223573mN. Comment
  SEINET7072720  Downingia bacigalupii 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
  RSA389177  Downingia bicornuta C. B. Wolf 1937-5-18 8736 Yuba Sacramento Valley, 2 mi S of Marysville 18 Comment
  UC1283736  Downingia pusilla Beecher Crampton 1965-5-11 7321 Yuba 2.5 mi sw Browns Valley Comment
  CHSC84982  Draperia systyla Lowell Ahart 2003-10-11 10625 Yuba On the east margins of a gravel road to the Rose Ranch, about 100 yards west of the paved road to Scales, about 1/2 mile south of the Rose Ranch, about 5 miles (air) northeast of Strawberry Valley, about 7 miles (air) southwest of La Porte. 1219 Comment
  POM161767  Draperia systyla R. C. Bacigalupi 1927-7-2 1589 Yuba Highway to Downieville about 8 mi NE of Camptonville. 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-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
  UCR191121  Dryopteris arguta George K. Helmkamp, E. A. Helmkamp 2007-8-29 12828 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
  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
  UCD101899  Dudleya cymosa Barbara Yungert 1974-5-14 152 Yuba along dry rocky bank of Dry Creek, end of Road 4, Sierra Foothill Field Station. 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
  CHSC97692  Dysphania ambrosioides 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
  CHSC113186  Dysphania pumilio Lowell Ahart 2013-11-30 19306 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
  CHSC83043  Dysphania pumilio Lowell Ahart 2002-10-9 9954 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
  JEPS121311  Dysphania pumilio Lowell Ahart 2013-11-30 19306 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
  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
  CHSC96872  Echinochloa colona Lowell Ahart 2007-6-30 14233 Yuba Near a new ditch, near and east 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
  JEPS113486  Echinochloa colona Lowell Ahart 2007-6-30 14233 Yuba Near a new ditch, near and east 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
  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
  RSA726848  Echinochloa colona L. Ahart 2007-6-30 14230 Yuba About 13 miles (air) northeast of Marysville. 30 Comment
  RSA726850  Echinochloa colona L. Ahart 2007-6-30 14233 Yuba About 13 miles (air) northeast of Marysville. 29 Comment
  RSA749526  Echinochloa crus-galli George K. Helmkamp, E. A. Helmkamp 2008-10-6 14208 Yuba Ostrom #3 Road, 1.2 miles east of junction with CA-65, southeast of Olivehurst 20 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
  CAS-BOT-BC197248  Echinochloa muricata A. Starker Leopold 1956-7-18 s.n. Yuba 3 miles n.w. of Rio Oso Post Office Comment
  CDA14357  Echinochloa oryzicola E. Storm 1997-7-24 s.n. Yuba Stass Farms, North Beale Road, Marysville. 0 Comment
  CAS-BOT-BC208570  Echinochloa oryzoides Wm. F. Herrin 1920-10-1 s.n. Yuba Rice fields. Comment
  CHSC116028  Elatine Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-11-14 20648 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
  JEPS124313  Elatine Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-11-14 20648 Yuba Below the high water line of Lake Francis, about 1 1/2 miles south of Dobbins. Comment
  CAS-BOT-BC113668  Eleocharis Gordon H. True 1966-4-27 2707 Yuba About 5 miles E of Wheatland and 1 mi N of Bear River. 54 Comment
  UCD80266  Eleocharis acicularis CNPS SN Foothill Team 2005-7-5 SNNR 0529 Yuba CDFG Daugherty Hill Wildlife Area. 289 Comment
  SEINET7583427 Image available Eleocharis acicularis Lowell Ahart 2000-6-11 8471 Yuba East side of 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
  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
  CHSC116029  Eleocharis atropurpurea Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-11-14 20647 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
  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
  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
  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
  JEPS98335  Eleocharis bolanderi Lowell Ahart 2000-7-13 8590 Yuba 2 1/2 air miles SE of Camptonville (S side of Ridge Road, 1/4 mi W of Our House, 2 air mi E of Celestial Valley) 975 Comment
  JEPS98365  Eleocharis bolanderi Lowell Ahart 2000-6-23 8505 Yuba 3 mi NE of Strawberry Valley (bog in small meadow, 80 yds E of the meadow along La Porte Road,100 yds N of Scales Road) 1219 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
  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
  JEPS98299  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
  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
  CAS-BOT-BC113034  Eleocharis macrostachya Gordon H. True; John Thomas Howell 1969-6-24 5099 Yuba Artificial lake ca. 1 mi. NW of Spenceville (site) on Cox Creek. 152 Comment
  JEPS103518  Eleocharis obtusa Lowell Ahart 2002-10-9 9973 Yuba Along Lost Creek, below the high water line of Sly Creek Reservoir, ca 50 yards SW of the Day Camp, Sly Creek Reservoir. 1072 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
  CHSC73706  Eleocharis pachycarpa B. Castro; L. Gehrung 1995-9-12 600 A Yuba Fish Mdw. 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. Towards upper end of meadow. 1249 Comment
  CHSC84933  Eleocharis pachycarpa Lowell Ahart 2003-10-11 10622 Yuba Small wash in a meadow, on the east side of a gravel road to the Rose Ranch, about 100 yards west of the paved road to Scales, about 1/2 mile south of the Rose Ranch, about 5 miles (air) northeast of Strawberry Valley, about 7 miles (air) southwest of La Porte. 1219 Comment
  JEPS98437  Eleocharis pachycarpa Lowell Ahart 2000-5-25 8400 Yuba 6 air mi S of Smartville (sides of a deep wash, a N branch of Dry Creek, 2 mi N of intersection of Waldo Road and Smartville Road, 100 yds W of Smartville Road) 146 Comment
  CAS-BOT-BC113119  Eleocharis pachycarpa Gordon H. True; John Thomas Howell 1970-5-29 5422 Yuba Artificial lake ca. 1 mi NW of Spenceville (site) on Cox Creek. 152 Comment
  CDA2609  Eleocharis pachycarpa L. 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. 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
  SEINET7586814 Image available 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
  SEINET3441893  Eleocharis palustris Unknown 2000-7-13 8579 Yuba College Station, College Station, Rock Prairie Road, about 2 miles south of the junction with Green's Prairie road, near old parking lot at Lick Creek Park 970 Comment
  UCD84798  Eleocharis quadrangulata Collector Unknown 2010-7-1 s.n. Yuba Marysville area. 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
  CHSC78303  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
  CHSC78304  Eleocharis quinqueflora Lowell Ahart 2000-6-23 8506 A Yuba In a small meadow, 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
  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
  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
  RSA716568  Eleocharis quinqueflora L. Ahart 2000-6-23 8506 Yuba 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 1220 Comment
  UCD147098  Elymus elymoides var. elymoides Chuck Hughes 2013-5-16 382 Yuba Near margin of Camp Far West Reservoir. 95 Comment
  CDA14561  Elymus glaucus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3038 Yuba Oregon Hill Road, 0.1 mile north of Marysville Road, southwest of Bullards Bar Dam. 701 Comment
  UCD61787  Elymus glaucus Barbara Yungert 1974-5-9 G- 10 Yuba Sierra Foothill Field Station. W of road to Englebright Reservoir. Comment
  UCD61799  Elymus glaucus Beecher Crampton 1971-6-18 8733 Yuba Sierra Foothill Range Field Station. Ca. 6 miles E of Browns Valley. 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
  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
  CHSC44537  Elytrigia intermedia subsp. barbulata Lowell Ahart 1979-6-25 1941 Yuba A logged over area, about 1 mile south of Challenge. 640 Comment
  SBBG121208  Epilobium L. Ahart 2007-5-12 13800 Yuba ca. 30 feet E of a culvert, ca. 50 yards N of the second power tower, ca. 400 yards N of Fruitland Rd, ca. 13 m NE of Marysville 28 Comment
  CHSC76285  Epilobium brachycarpum Lowell Ahart 1999-9-17 8255 Yuba On the edge of a drain ditch, San 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
  CHSC83036  Epilobium brachycarpum Lowell Ahart 2002-10-9 9956 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
  UCR189621  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2007-8-29 12843 Yuba Northern Sierra Nevada Mountains Foothills, along Hwy CA-49, 1.2 miles southwest of Camptonville 701 Comment
  CHSC69141  Epilobium ciliatum subsp. ciliatum Lowell Ahart 1997-8-7 7818 Yuba On the bottom of a small stream, 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
  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
  UCD80478  Epilobium ciliatum subsp. ciliatum CNPS SN Foothill Team 2005-7-5 SNNR 0467 b Yuba CDFG Daugherty Hill Wildlife Area. 278 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
  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
  CHSC97228  Epilobium densiflorum Lowell Ahart 2007-6-22 14211 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
  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
  CAS-BOT-BC171857  Epilobium septentrionale Dan Campbell 1976-9-3 s.n. Yuba Just southwest of Camptonville 762 Comment
  CHSC84244  Epilobium torreyi Lowell Ahart 2003-7-17 10414 Yuba On the sides 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
  JEPS113476  Epilobium torreyi Lowell Ahart 2007-5-12 13800 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
  SEINET7072984 Image available Epilobium torreyi A. G. Vestal 1963-5-29 s.n. Yuba About 0.4 mile west of Erle Road on Hammonton-Smartville Road. UTM Zone 10, 638165mE, 4337165mN. Coordinate datum: NAD27). Comment
  CHSC43309  Equisetum arvense Lowell Ahart 1977-4-17 1312 Yuba About 1 mile south of Challenge, about 1 1/2 miles west of Pike County Peak. 548 Comment
  CAS-BOT-BC57147  Equisetum hyemale subsp. affine Lowell Ahart 1977-4-17 s.n. Yuba About 3 miles south of Challenge 700 Comment
  CAS-BOT-BC57515  Equisetum telmateia John Thomas Howell 1951-8-21 28287 Yuba Near Camptonville 762 Comment
  JEPS95149  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
  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
  CHSC45111  Ericameria arborescens Lowell Ahart 1975-9-28 988 Yuba Near the Bullards Bar Dam. 609 Comment
  RSA12714  Ericameria arborescens C. B. Wolf 1934-10-4 6153 Yuba Texas Hill, 2 miles 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
  JEPS103302  Ericameria nauseosa var. speciosa Lowell Ahart 2002-9-8 9936 Yuba Along a wash, on the N side of the dirt road, ca 1 mile SE of Woodleaf, ca 3 miles (air) NE of Challenge. 1001 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
  JEPS118708  Ericameria parryi var. latior L. P. Janeway 2011-8-15 10653 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.1 km east of Dobbins, 2.1 air km south-southwest of Oregon Peak, 0.2 km north of Marysville Road. French Corral 7.5' quad. Comment
  UCD23251  Erigeron W. R. Powell 1968-5-15 1495 Yuba 2 miles NE of Dobbins on Fountain House Road. 792 Comment
  CHSC116119  Erigeron canadensis Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-11-14 20638 Yuba On the bottom 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
  CHSC97682  Erigeron canadensis Lowell Ahart 2007-11-1 14531 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-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
  CHSC46918  Erigeron petrophilus var. sierrensis Lowell Ahart 1980-8-12 2528 Yuba Near the dirt road, about 2 miles south-east of Woodleaf. 731 Comment
  CHSC70223  Erigeron petrophilus var. sierrensis B. Castro; R. Fallscheer, R. Zebell 1989-8-7 366 Yuba Ca 2.5 air mi S of Bucks Lake, on the south flank of Red Mtn, at jcn USFS Rds 23N18, 23N15, and 23N69. Comment
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Jul 16 2007
  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
  JEPS125960  Erigeron reductus var. reductus D. W. Taylor 2001-5-9 17647 Yuba Plumas National Forest; canyon of the North Fork of the Yuba River near Kelley Bar Comment
  CHSC97698  Erigeron sumatrensis Lowell Ahart 2007-11-1 14545 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-BC216038  Eriodictyon californicum Alice Eastwood 1930-4-12 s.n. Yuba Marysville Flower Show 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
  UC1124296  Eriodictyon californicum M. A. Elvin 1933-6-23 31 Yuba 1 mi w Hansonville; Smartsville Quad. Comment
  CHSC95067  Eriogonum umbellatum var. ahartii L. P. Janeway; David Toren, Dan Lubin, Erin Brandy 2006-7-17 8814 Yuba Northern High Sierra Nevada. Slope on east side above Indian Creek; 3.0 km south of Woodleaf and 2.8 km east of Challenge. Southwest-facing slope of rocky weathered serpentine. 815 Comment
  CHSC95082  Eriogonum umbellatum var. ahartii L. P. Janeway 2006-7-18 8815 Yuba Northern High Sierra Nevada. Along the '107' road, overlooking Golden Gate Ravine from the south; 2.4 km north-northeast of Challenge and 2.4 km southwest of Woodleaf. Small serpentine area along dirt road, northwest-facing. 937 Comment
  HSC96690  Eriogonum umbellatum var. ahartii L. P. Janeway, David Toren, Dan Lubin, Erin Brandy 2006-7-17 8814 Yuba N High Sierra Nevada, slope on E side above Indian Creek, 3 km. S of Woodleaf, 2.8 km. E of Challenge 815 Comment
  JEPS104649  Eriogonum umbellatum var. ahartii Lowell Ahart 2002-9-8 9935 Yuba serpentine area, along a small wash, N side of the dirt road, about 1 mi SE of Woodleaf, about 3 air mi NE of Challenge; Lat. 39 deg. 30' 33.8, Long. 121 deg. 11' 01.7 1001 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
  JEPS95068  Eriogonum umbellatum var. ahartii Lowell Ahart 1997-8-7 7835 Yuba about 3 air mi e of Challenge (on n side of dirt road, nw of the bridge across Indian Creek) 762 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
  CAS-BOT-BC301316  Eriophyllum lanatum var. croceum Barbara T. Keller 1975-6-10 1493 Yuba Challenge Experimental Forest along La Porte Road near Challenge 762 Comment
  CAS-BOT-BC301317  Eriophyllum lanatum var. croceum Lewis S. Rose 1939-6-6 39225 Yuba Brownsville 685 Comment
  CAS-BOT-BC308244  Eriophyllum lanatum var. grandiflorum Lowell Ahart 1979-6-25 s.n. Yuba 2 miles east of Challenge Comment
  CHSC45002  Eriophyllum lanatum var. grandiflorum Lowell Ahart 1979-6-25 1945 Yuba North of the dirt road, about 2 air miles east of Challenge. 640 Comment
  JEPS95034  Eriophyllum lanatum var. grandiflorum Lowell Ahart 1997-8-7 7825 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
  UCD132217  Eriophyllum lanatum var. grandiflorum W. R. Powell 1968-5-15 1493 a Yuba on Fountain House Road, 2 miles northeast of Dobbins. 792 Comment
  UCD132221  Eriophyllum lanatum var. grandiflorum Barbara Yungert 1974-5-4 117 Yuba north side of Yuba River, F-2 project area, Sierra Foothill Field Staion. Comment
  CHSC97676  Erodium brachycarpum Lowell Ahart 2007-5-12 13796 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
  JEPS113702  Erodium brachycarpum Lowell Ahart 2007-5-12 13796 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
  CHSC97453  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
  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
  JEPS113510  Erodium moschatum Lowell Ahart 2007-5-14 13879 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
  UC1122964  Eryngium castrense M. A. Elvin 1933-6-7 23 Yuba 3 mi. s.e. of O'Brien's Ranch Smartsville Quad. 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-BC54682  Erysimum capitatum Mrs. Martin Goerges 1953-6-24 s.n. Yuba Lake Vera, North Fork, Yuba River. Comment
  CAS-BOT-BC54686  Erysimum capitatum Daniel Campbell 1974-6-10 s.n. Yuba Sierra Nevada. Highway 49, 1 mile south of Comptonville. 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
  UCR194897  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp 2007-5-26 12142 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
  CHSC118502  Erythranthe bicolor L. P. Janeway 2016-5-11 11958 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 20N13. 920 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
  CHSC90345  Erythranthe geniculata Lowell Ahart 2005-3-11 11608 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. 395 Comment
  SEINET8264801  Erythranthe geniculata Lowell Ahart 2005-3-11 11608 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. 395 Comment
  CHSC110465  Erythranthe guttata L. P. Janeway 2013-7-24 11188 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
  CHSC87346  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
  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
  JEPS18180  Erythronium multiscapideum Rimo Bacigalupi with G. T. Robbins and F. Chisaki 1956-4-19 5616 Yuba 0.3 mi n Oregon House Post Office 480 Comment
  SBBG988  Erythronium multiscapideum H. and M. Dearing 1939-5-8 3295 Yuba New York Crk 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
  CAS-BOT-BC502831  Erythronium multiscapideum Lowell Ahart 1982-5-8 3424 Yuba 4 miles east of Forbestown 825 Comment
  CDA39344  Erythronium multiscapideum Yuba County School Children 1930-4-12 s.n. Yuba [No further data.] 0 Comment
  SJSU8125  Erythronium multiscapideum J. B. Willis Jr. 1969-4-19 Yuba Marysville Rd 0.5 mi W of Oregon House P.O., 7.5 mi W of Dobbins Comment
  CAS-BOT-BC402629  Eschscholzia caespitosa E. C. Cramsie 1924-4-1 s.n. Yuba Smartsville Comment
  SEINET7075553  Eschscholzia californica 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
  OBI11756  Eschscholzia lobbii Carl B. Wolf 1937-5-12 8630 Yuba Sacramento Valley, 4 mi NE of Wheatland on road to Grass Valley 61 Comment
  UCR234194  Eschscholzia lobbii George K. Helmkamp, E. A. Helmkamp 2011-4-10 17163 Yuba Sacramento Valley, along Camp Beale Highway/Spenceville Rd., c. 1.75 miles northeast of Wheatland 44 Comment
  CAS-BOT-BC419486  Eschscholzia lobbii Helen McGovern 1928-3-23 s.n. Yuba Smartville 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
  CDA4807  Euphorbia lathyris R. W. Nelson 1958-5-27 466 -58 Yuba 0 Comment
  UCD169274  Euphorbia serpillifolia Lowell Ahart 2013-11-30 19299 Yuba Willow Glen Creek, northwest of Dry Creek, about 100 yards north of Marysville Road, about 2 1/2 miles west of Oregon House. 356 Comment
  UCR263624  Euphorbia serpillifolia subsp. serpillifolia Lowell Ahart 2002-10-9 9966 Yuba Sly Creek Reservoir, below the high water line, ca 1/8 mile southwest of the Day Camp 1073 Comment
  CHSC68477  Euphorbia spathulata Lowell Ahart; Barbara Castro, Dan Barth, Diane Mastalir 1997-4-6 7719 Yuba On the south side of a poor dirt road, about 1/2 mile east of Scott Forbes Road (Long Bar Road), south of Dry Creek, about 17 miles northeast of Marysville. 137 Comment
  JEPS94937  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
  UCD142494  Euphorbia spathulata Barbara Yungert 1974-4-19 67 Yuba Sierra Foothill Field Station. SC-14 project area. Comment
  CAS-BOT-BC312190  Eurybia radulina L. P. Janeway 1993-9-7 4590 Yuba About 3 mi. east of Woodleaf ca 3 mi. southwest of Clipper Mills, La Porte Ranger District, Woodleaf Compartment, Plumas National Forest 1043 Comment
  CHSC44867  Euthamia occidentalis Lowell Ahart 1978-9-24 1807 Yuba Along a drain ditch, on Shintaffer Farms, about 2 air miles north-east of Marysville. 30 Comment
  CAS-BOT-BC459238  Euthamia occidentalis Lowell Ahart 1978-9-24 s.n. Yuba 2 miles NE of Marysville on Sam Shintaffer Farm 35 Comment
  UCR258223  Festuca dertonensis George K. Helmkamp, Amy Barnes 2013-3-28 20252 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  CHSC107153  Festuca myuros L. P. Janeway; Melanie Williams, Tim Hanson 2011-6-9 10379 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. Small grassy meadow. Along an old roadbed . 750 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
  CHSC44567  Festuca occidentalis Lowell Ahart 1979-6-25 1938 Yuba About 1 mile south of Challenge. 640 Comment
  UCR258227  Festuca perennis George K. Helmkamp, Amy Barnes 2013-3-28 20255 A Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  JEPS100268  Festuca subulata Dean W. Taylor 2001-5-9 17641 Yuba canyon of the North Fork Yuba River near Kelley Bar, Plumas National Forest 609 Comment
  UCD66499  Festuca subuliflora W. R. Powell 1966-5-19 1300 Yuba 5 1/2 miles s. e. Challenge 609 Comment
  RSA726543  Filago gallica L. Ahart 2007-5-12 13768 Yuba About 13 miles (air) northeast of Marysville. 28 Comment
  CHSC10692  Fragaria vesca Lowell Ahart 1970-4-5 Yuba Near Challenge. 914 Comment
  CHSC33580  Fragaria vesca M. S. Taylor 1981-4-22 3554 Yuba E side of Empire Rd, ca. 0.5 mi s of its jct with Laporte Rd, ca. 1 mi sw of Woodleaf. 975 Comment
  UCD113254  Fragaria vesca M. S. Taylor 1981-4-22 3554 Yuba E side of Empire Rd, ca. 0.5 mi s of its jct with Laporte Rd, ca. 1 mi sw of Woodleaf. 975 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-BC53663  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-BC53664  Frangula californica subsp. tomentella Carl B. Wolf 1927-11-6 1447 Yuba Browns Valley to Smartsville Road, along left bank of Yuba River, near bridge 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-BC53667  Frangula californica subsp. tomentella Carl B. Wolf 1931-3-26 1738 Yuba Yuba River on Browns Valley - Smartsville Road 152 Comment
  CAS-BOT-BC53668  Frangula californica subsp. tomentella Carl B. Wolf; E. R. Johnson 1934-10-4 6155 Yuba Sierra Nevada Foothills. Texas Hill, 2 mi. W. of Dobbins 457 Comment
  CAS-BOT-BC53671  Frangula californica subsp. tomentella Alice Eastwood 1921-5-22 10530 Yuba Los Vergeles Comment
  JEPS124103  Frangula californica subsp. tomentella Lowell Ahart, Susan Kephart, Jim Kephart 2015-6-4 20197 Yuba About 3/4 mile southeast of the intersection of Weiss Road and Forbestown Road, about 2 miles (air) southwest of Forbestown. Comment
  LA207667  Frangula californica subsp. tomentella C. B. Wolf; 1927-11-5 1447 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
  SBBG27475  Frangula californica subsp. tomentella C. B. Wolf, E. R. Johnson 1934-10-4 6155 Yuba Texas Hill, 2 mi W of Dobbins 457 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
  UCD112791  Frangula californica subsp. tomentella W. R. Powell 1968-5-24 1547 a Yuba at C. D. F. fire station in Brownsville. 649 Comment
  CHSC113643  Frangula rubra subsp. obtusissima L. P. Janeway 2014-5-12 11252 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. 750 Comment
  UCD113145  Frangula rubra subsp. obtusissima W. R. Powell 1971-5-24 1547 Yuba at C.D.F. fire station, Brownsville. 649 Comment
  CAS-BOT-BC55739  Frangula rubra subsp. rubra Lowell Ahart 1976-5-6 s.n. Yuba Near the Brownsville Dump, Brownsville 457 Comment
  CHSC107277  Frangula rubra subsp. rubra L. P. Janeway 2011-8-10 10639 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
  CHSC110321  Frangula rubra subsp. rubra L. P. Janeway 2013-6-7 11136 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
  UC1123378  Fraxinus latifolia M. A. Elvin 1933-6-23 30 Yuba 1 mi w Hansonville; Smartsville Quad. 426 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
  CAS-BOT-BC205975  Fremontodendron californicum Wayne Roderick 1980-10-14 1007 Yuba Two miles east of Dobbins Comment
  CAS-BOT-BC205976  Fremontodendron californicum Wayne Roderick 1981-5-24 s.n. Yuba Near Dobbins Comment
  CHSC88993  Fremontodendron californicum L. Hanson 1984-5-21 244 Yuba Plumas National Forest. Brownsville Dump. 640 Comment
  CHSC89019  Fremontodendron californicum L. Hanson 1984-5-21 243 Yuba Plumas National Forest. Brownsville Dump. 457 Comment
  CAS-BOT-BC136095  Fritillaria affinis Volney Rattan 1880-1-1 s.n. Yuba Brownsville 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
  CHSC33890  Fritillaria eastwoodiae M. S. Taylor 1981-4-15 3537 Yuba N side of Forbestown-Woodleaf Rd, ca. 3/4 mi e of its jct with Forbestown Rd, ca. 2 mi w of Woodleaf. 853 Comment
  CHSC63299  Fritillaria eastwoodiae Lowell Ahart 1994-4-22 7289 Yuba On the north side of Costa Creek, on the north side of Forbestown Road, about 3 (air) miles east of Forbestown. 853 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
  CAS-BOT-BC506162  Fritillaria micrantha Lowell Ahart 1977-4-17 s.n. Yuba Brownsville Dump, Brownsville 700 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
  SJSU8741  Fritillaria micrantha N. A. Hopkins 1980-4-13 968 Yuba 40' above McCabe Cr c. 3 airline miles W of Forbestown 548 Comment
  SJSU8742  Fritillaria micrantha N. A. Hopkins 1980-4-12 967 Yuba Abernathy (Abranathy) Rd 100 yds from its intersection with Forbestown-Woodleaf Rd c. 2-3 mi E of Forbestown 838 Comment
  UCD139694  Fritillaria micrantha Kathleen Keliher 1975-5-6 94 Yuba 200 feet from duck pond, between houses, near Frenchtown Road and New York Road. 304 Comment
  CAS-BOT-BC130402  Fritillaria pinetorum Lowell Ahart 1976-4-15 s.n. Yuba Near the Brownsville Dump, Brownsville Comment
  CHSC100725  Fritillaria recurva L. P. Janeway 2008-5-11 9361 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
  CHSC10803  Fritillaria recurva Lowell Ahart 1964-5-3 Yuba near Bullard's Bar Dam. 609 Comment
  SBBG1014  Fritillaria recurva H. and M. Dearing 1939-5-8 3304 Yuba Camptonville 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
  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
  CDA6672  Galium divaricatum J. T. Howell, G. H. True 1967-6-13 3572 Yuba Camp Far West Reservoir, on Bear River east of Wheatland. Comment
  JEPS98438  Galium murale Lowell Ahart 2000-5-25 8395 Yuba 6 air mi S of Smartville (bank of a large wash, a N branch of Dry Creek, 2 mi N of intersection of Waldo Road and Smartville Road, 100 yds W of Smartville Road) 146 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
  UCD33813  Galium parisiense Beecher Crampton 1973-6-22 8954 Yuba Yuba County, ca. 3 miles east of Brown's Valley on Peoria road. Comment
  UCD37843  Galium parisiense Beecher Crampton 1962-4-24 6240 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  CHSC97458  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
  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
  CHSC97752  Galium trifidum Lowell Ahart 2007-11-1 14529 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
  SEINET10553569  Gastridium ventricosum Lowell Ahart 2003-6-29 Ahart 10319 Yuba T19N R6E S27 SW1/4. Small size plants, on dry to damp red soil, along a small wet wash, on the east side of Ponderosa Way, about 1.5 miles north of La Porte Road, about 1 mile (air) west of Brownsville. Common. Foothill Woodland. 702 Comment
  CHSC108310  Geranium dissectum Lowell Ahart 2011-6-7 17403 Yuba West 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
  UCR258230  Geranium dissectum George K. Helmkamp, Amy Barnes 2013-3-28 20248 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  UCD103396  Geranium dissectum Barbara Yungert 1974-4-25 80 Yuba Sierra Foothill Field Station. Near Four Wheel Drive Road, SC-14 project area. Comment
  UCD37857  Geranium molle Beecher Crampton 1962-4-24 6263 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  UCD103447  Geranium molle Barbara Yungert 1974-4-25 79 Yuba Near four wheel drive road, SC-14 project area, Sierra Foothill Field Station. Comment
  UCR195173  Gilia capitata subsp. pedemontana George K. Helmkamp, E. A. Helmkamp 2007-5-26 12144 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
  SEINET10972189  Githopsis specularioides Keliher 1975-5-3 KELIHER 86 Yuba Higher Cook Road, K 1-11 Project Area, Sierra Foothill Field Station 229 Comment
  UCD72427  Githopsis specularioides Barbara Yungert 1974-5-3 107 Yuba Sierra Foothill Field Station, west of road, near Cattle guard and U.C. sign, west of station. Comment
  JEPS121315  Glinus lotoides Lowell Ahart 2013-11-30 19297 Yuba On the N 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
  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
  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
  JEPS95807  Glyceria declinata Lowell 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 24 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
  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
  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
  CAS-BOT-BC303348  Gnaphalium palustre Lowell Ahart 1980-8-12 2564 Yuba Along Slate Creek 1250 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
  JEPS113625  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
  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
  UCD147085  Gratiola ebracteata Chuck Hughes; Juliette Robinson 2013-5-2 370 Yuba Northwest margin of Camp Far West Reservoir. 93 Comment
  SEINET7072721  Grindelia camporum 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
  CHSC115895  Grindelia hirsutula var. davyi L. P. Janeway 2015-6-29 11787 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
  CHSC97681  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
  HSC100770  Hainardia cylindrica Lowell Ahart 2007-5-12 13825 Yuba 13 (air) mi. NE of Marysville, ~400 yd. N of Fruitland Rd., ~50 yd. N of second power tower and ~30 ft. E of culvert and 28 Comment
  RSA726545  Hainardia cylindrica L. Ahart 2007-5-12 13825 Yuba About 13 miles (air) northeast of Marysville. 28 Comment
  SEINET11836554  Haplopappus arborescens Unknown 1975-1 987 Yuba near Bullards Bar Dam 610 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
  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
  UCD33243  Hedypnois cretica Beecher Crampton 1967-5-17 7943 Yuba 5 miles east of Brown's Valley, sierra foothill range field station. Comment
  UCD38717  Hedypnois cretica Beecher Crampton 1957-6-5 4130 Yuba 2.6 miles NE of Brown's Valley P.O. Comment
  CAS-BOT-BC306334  Hedypnois cretica Gordon H. True 1963-4-17 1164 Yuba About 14 miles east of Marysville, on Marysville-Grass Valley Hwy. 60 Comment
  RSA115530  Hedypnois cretica Beecher Crampton 1957-6-5 4130 Yuba 2.6 miles NE Brown's Valley post office. Comment
  RSA21287  Hedypnois cretica C. B. Wolf 1937-5-13 8631 Yuba Sierra Nevada Foothills, 2 miles above Browns Valley on road to Stanfield Hill. 122 Comment
  UCD132676  Hedypnois cretica Barbara Yungert 1974-5-8 132 Yuba along four wheel drive road, north side of Yuba River, Sierra Foothill Field Station. Comment
  JEPS113095  Hedypnois rhagadioloides 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
  JEPS118299  Hedypnois rhagadioloides 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
  CHSC116114  Helenium puberulum Lowell Ahart 2015-11-18 20660 Yuba Marsh like area on the west side of the Feather River, about 1/2 mile south of Palm Avenue, about 1-1/2 miles southeast of the intersection of Palm Avenue and Larkin Raod, about 5 miles (air) northeast of Gridley. 26 Comment
  SBBG8399  Helianthella californica H. and M. Dearing 1939-5-8 3300 Yuba near Camptonville Comment
  CAS-BOT-BC314787  Helianthella californica var. nevadensis Lloyd W. Swift 1932-5-10 55 Yuba Near Dobbins, Mt. Misery, Plumas Forest 762 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
  UC718034  Hemizonia congesta subsp. luzulifolia C. B. Wolf, and B. D. Stark 1933-9-25 Yuba 2 mi n Marysville (Marysville Airport); Sacramento Valley 15 Comment
  CAS-BOT-BC309978  Hemizonia congesta subsp. luzulifolia J. Clausen 1932-9-16 656 Yuba 5.4 miles southeast of Marysville on the road to Wheatland Comment
  SEINET7072980  Hemizonia fitchii A. G. Vestal 1963-5-29 s.n. Yuba Beale Road (Route 20) & Route 99 at Yuba City northwest of Wheatland. UTM Zone 10, 618094mE, 4333199mN. Coordinate datum: NAD27). Comment
  CDA7043  Hemizonia fitchii A. C. Browne 1951-5-15 Yuba Marysville. 0 Comment
  SBBG117339  Hesperocyparis macnabiana B. Crampton 1972-2-14 8769 Yuba ca. 1.5 mi NNE of Oregon House 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
  CHSC76315  Heteranthera limosa Lowell Ahart 1999-9-17 8240 Yuba In a rice field, 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
  JEPS95798  Heteranthera limosa Lowell Ahart 1999-9-17 8240 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
  RSA584282  Heterocodon rariflorum L. Ahart 1980-6-19 2407 Yuba 3.5 miles SE of Challenge. 800 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
  CHSC69150  Heteromeles arbutifolia Lowell Ahart 1997-8-7 7823 Yuba On the west side of the dirt road, near a unnamed stream, Peterson Ridge Road, about 3 miles (air) southeast of Challenge. 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
  RSA0075913  Heterotheca grandiflora A. A. Heller 1924-10-25 13833 Yuba Wheatland. 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
  RSA0038272  Hierochloe occidentalis J. M. Grant 1930-05 s.n. Yuba Marysville. Comment
  CAS-BOT-BC55318  Hirschfeldia incana Lowell Ahart 1974-5-1 s.n. Yuba About 5 miles east of Loma Rica. 400 Comment
  UCD33103  Hoita macrostachya Beecher Crampton 1966-6-14 7738 Yuba Yuba County, 5 miles east of Brown's Valley, Sierra Foothill Range Field Station. Comment
  CHSC84167  Hoita orbicularis Lowell Ahart 2003-7-6 10354 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
  JEPS104242  Hoita orbicularis Lowell Ahart 2003-7-6 10354 Yuba In a meadow, e of the power line, ca 50 yd w of Fountain Hill Rd, ca 5 mi (air) n of Dobbins. 836 Comment
  SEINET3449379  Hoita orbicularis Unknown 2003-7-6 10354 Yuba Dobbins, Dobbins, about 5 air miles north, east of the power line, about 50 yards west of Fountain Hill Road 830 Comment
  SEINET7930195  Hoita orbicularis Ashley N. Egan, L. Egan 2005-6-23 279 Yuba In a meadow e of powerlines ca 50 yds w of Fountain Hill Rd, ca 5 airmiles N of Dobbins.; 0 840 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
  JEPS118359  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
  RSA726805  Holcus lanatus L. Ahart 2007-6-22 14220 Yuba 350 yards west of the power tower, about 50 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 29 Comment
  UCR189428  Holcus mollis George K. Helmkamp, E. A. Helmkamp 2007-8-29 12834 Yuba Northern Sierra Nevada Mountains Foothills, along Hwy CA-49, 0.5 mile south of Camptonville 817 Comment
  CAS-BOT-BC311750  Holozonia filipes Lewis S. Rose 1969-6-26 69060 Yuba 5 mi. s. of Smartville, Camp Beale Road 182 Comment
  CHSC78123  Holozonia filipes Lowell Ahart 2000-6-11 8463 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
  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
  JEPS59966  Holozonia filipes Lewis S. Rose 1969-6-26 69060 Yuba 5 mi s Smartville (Camp Beale Road) 182 Comment
  CAS-BOT-BC311749  Holozonia filipes J. T. Howell; Gordon H. True 1969-6-24 5091 Yuba Vineyard Creek ca. 4 miles south of Smartville on Beale AFB Rd. 152 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
  CHSC97667  Hordeum marinum subsp. gussoneanum Lowell Ahart 2007-5-14 13860 Yuba Bottom of a large vernal pool, 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
  JEPS113402  Hordeum marinum subsp. gussoneanum Lowell Ahart 2007-5-14 13860 Yuba Bottom of a large vernal pool, 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
  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
  UCR258224  Hordeum murinum subsp. glaucum George K. Helmkamp, Amy Barnes 2013-3-28 20253 Yuba Eastern Sacramento Valley, northbound exit road from CA-65, connecting with Forty Mile Road 30 Comment
  CHSC97455  Hordeum murinum subsp. leporinum Lowell Ahart 2007-5-14 13861 Yuba Along 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
  UCD86143  Hordeum murinum subsp. leporinum Beecher Crampton 1957-6-5 4164 a Yuba In front of old Stewart and Bros. and Wells Fargo Store. Site of Timtuctoo. 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
  JEPS104035  Horkelia californica subsp. dissita Lowell Ahart 2003-6-29 10318 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
  UCD113564  Horkelia tridentata W. R. Powell 1968-5-15 1493 Yuba On Fountain House Road, 2 miles northeast of Dobbins. 792 Comment
  UCD113558  Horkelia tridentata Kathleen Keliher 1975-5-6 93 Yuba 300 meters off La Porte Road, 2 miles from Forbestown Road. 914 Comment
  CHSC11350  Horkelia tridentata subsp. flavescens Lowell Ahart 1970-4-5 Yuba Near Challenge. 914 Comment
  JEPS123872  Horkelia tridentata var. tridentata Lowell Ahart 2015-4-30 20126 Yuba About 3/4 mile (air) southeast of Woodleaf. 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
  CDA19000  Hydrilla verticillata R. Kerr, E. Storm 2000-10-3 PDR 829572 Yuba Inhabiting in medium density of 0.01 acre pond in the vicinity of Marysville-Oregon House. 0 Comment
  CDA36288  Hydrilla verticillata Keith Miller 1976-11-24 s.n. Yuba Marysville, Ellis Lake, 9th & B Streets. 0 Comment
  SD97027  Hydrilla verticillata G. D. Barbe, T. C. Fuller 1976-11-1 2231 Yuba Southeast edge of freshwater Ellis Lake, to 4I(c) feet deep, 9th and B Streets, Marysville. Comment
  CDA1445  Hydrilla verticillata G. D. Barbe, T. C. Fuller 1976-11-1 2231 Yuba 9th and B Streets, Marysville Southeast edge of freshwater Ellis Lake, to 4-1/2 feet deep. 0 Comment
  CDA21264  Hydrilla verticillata unknown January 1977 Yuba Sacramento Valley; Ellis Lake, Marysville. 0 Comment
  CDA37683  Hydrilla verticillata Breckenridge/O Connell 2004-5-17 s.n. Yuba Near Oregon House. 0 Comment
  SBBG80277  Hydrilla verticillata K. Miller 1976-11-24 Yuba Ellis Lake, 9th and B St, Marysville Comment
  UCD138137  Hydrilla verticillata T. C. Fuller 1976-11-1 2231 Yuba Ellis Lake, 9th and B Streets, Marysville. 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
  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
  JEPS104123  Hypericum anagalloides Lowell Ahart 2003-7-6 10350 Yuba In a meadow, e of the power line, ca 50 yd nw of Fountain Hill Rd, ca 5 mi (air) n of Dobbins. 836 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
  UC1122091  Hypericum concinnum M. A. Elvin 1933-7-6 40 Yuba 2 1/2 mi. w. Bridgeport; Smartsville Quad. Comment
  SEINET13710866  Hypericum formosum Lowell William Ahart, Lowell William Ahart 2003-1 10351 Yuba 5 Mi. N of Dobbins (39 Deg 26'11.7"N, 121 Deg 12' 07.3"W) 2746 Ft. 837 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
  CHSC97746  Hypericum perforatum Lowell Ahart 2007-11-8 14583 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
  UCR567  Hypericum perforatum Frank C. Vasek 1955-1 272 Yuba Sierra Nevada Mountains, north fork of Yuba River 915 Comment
  CDA37877  Hypericum perforatum Dirks 1977-8-31 PDR# 366309 Yuba Marysville. 0 Comment
  UCD110401  Hypericum perforatum subsp. perforatum Barbara Yungert 1974-5-21 168 Yuba North of Yuba River, F-3 project area, Sierra Foothill Field Station. Comment
  SEINET3441880  Hypericum scouleri subsp. scouleri Unknown 2003-7-6 10351 Yuba Dobbins, Dobbins, about 5 air miles north, east of the power line, about 50 yards west of Fountain Hill Road 830 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
  JEPS113527  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-BC312914  Hypochaeris glabra Gordon H. True 1963-4-17 1173 Yuba About 10 miles east of Marysville, on Marysville-Grass Valley Hwy. 30 Comment
  CAS-BOT-BC133615  Iris hartwegii Peter H. Raven 1953-5-9 5471 Yuba 1 mile from Brownsville on road to Challenge Comment
  CAS-BOT-BC133616  Iris hartwegii Gladys L. Smith 1976-6-7 4619 Yuba Along road about 15 miles southwest of La Porte 1524 Comment
  CAS-BOT-BC133617  Iris hartwegii Mrs. Martin Goerges 1953-6-24 s.n. Yuba Lake Vera, North Fork, Yuba River Comment
  RSA135878  Iris hartwegii Lee W. Lenz, E. K. Balls 1956-6-20 21851 Yuba 0.5 mile west of Sierra-Yuba County line along State highway 49 915 Comment
  CHSC112858  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. 850 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
  UCR196917  Iris hartwegii subsp. hartwegii George K. Helmkamp, E. A. Helmkamp 2008-5-20 13492 Yuba Foothills, northern Sierra Nevada Mountains, Camptonville, at the junction of Henness Pass Road and CA-49 823 Comment
  HSC96960  Isoetes nuttallii L. Ahart 2004-4-27 10750 Yuba 100 yards NW of where drainage crosses the rd., about 0.5 mi. SE of Woodleaf 951 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
  JEPS95299  Isoetes nuttallii Lowell Ahart 1994-6-5 7292 Yuba 3 air miles E of Forbestown (N side of Costa Creek, N side of Forbestown Road) 853 Comment
  HSC97767  Isolepis cernua L. Ahart 2000-5-25 8399 Yuba Deep wash, N branch of Dry Creek, 100 yds. W of Smartville Rd., 2 mi. N of intersection of Waldo Rd. and Smartville Rd., 6 mi. S of Smartville 146 Comment
  CHSC84465  Isolepis setacea Lowell Ahart 2003-7-6 10363 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
  UCD49884  Isolepis setacea Beecher Crampton 1966-6-14 7752 Yuba 1 mile east of Brownsville. 731 Comment
  CAS-BOT-BC340264  Jensia rammii Lowell Ahart 2007-5-12 13772 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
  UCD37135  Jensia rammii Beecher Crampton 1957-6-5 4154 Yuba 1.3 miles east of Oregon House Store. Comment
  UCD38714  Jensia rammii Beecher Crampton 1957-6-5 4154 Yuba 1.3 miles east Oregon House Store. Comment
  SBBG8607  Jensia rammii H. and M. Dearing 1939-5-6 3287 Yuba 8 mi SW of Challenge 762 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
  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
  HSC97069  Juncus acuminatus L. Ahart 2002-10-9 9955 Yuba High water line of Sly Creek Reservoir about 1/8mi SW of Day Camp 1073 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
  RSA726653  Juncus acuminatus L. Ahart 2007-6-22 14215 Yuba 350 yards west of the power tower, about 50 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 29 Comment
  CHSC47519  Juncus articulatus Lowell Ahart 1980-6-19 2395 Yuba Along Peterson Ridge Road, about 3 miles south-east of Challenge. 762 Comment
  CHSC47520  Juncus articulatus Lowell Ahart 1980-8-12 2571 Yuba Slate Creek, west of where Gold Run Creek flows into Slate Creek, above Onion Creek, about 7 miles south of La Porte. 1158 Comment
  JEPS124265  Juncus balticus subsp. ater Lowell Ahart 2015-11-19 20674 Yuba West side of Lake Francis, about 1 1/2 miles south of Dobbins. 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
  RSA726654  Juncus bufonius var. bufonius L. Ahart 2007-6-22 14216 Yuba 350 yards west of the power tower, about 50 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 29 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
  CHSC78330  Juncus bufonius var. occidentalis Lowell Ahart 2000-6-23 8503 Yuba 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
  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
  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
  UC1254611  Juncus covillei Beecher Crampton 1966-6-14 7759 Yuba 1 mi e Brownsville (La Porte Road) Comment
  UCR118906  Juncus covillei Beecher Crampton 1966-6-14 7759 Yuba Central Sierra Nevada foothills, 1 Mile east of Brownsville on La Porte Road. 732 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
  CHSC97457  Juncus cyperoides Lowell Ahart; Lawrence Janeway, Linnea Hanson 2007-9-18 14496 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. 1015 Comment
  JEPS115042  Juncus cyperoides Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-9-18 14498 Yuba In a small meadow, about 50 yards northwest of the dirt road, north part of Hampshire Creek Meadow, about 1 mile (air) east of Clipper Mills 1015 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
  SEINET6329237  Juncus cyperoides B. L. Wilson, L. Ahart, L. Janeway, P. F. Zika 2011-8-5 16772 Yuba Plumas National Forest, Sacramento Box Road, a closed road giving access to Hampshire Meadow, at the point where the stream cuts the road 1034 Comment
  CHSC84203  Juncus dubius Lowell Ahart 2003-7-2 10346 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
  CHSC97076  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
  JEPS104082  Juncus dubius Lowell Ahart 2003-7-2 10346 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
  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
  JEPS113873  Juncus dubius Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-7-13 14302 Yuba About 30 yards east of a poor dirt road, about 1 1/2 miles (air) northeast of Clipper Mills 1045 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
  CHSC112068  Juncus effusus subsp. effusus L. P. Janeway 2014-8-26 11572 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
  JEPS113789  Juncus effusus subsp. effusus Lowell Ahart 2007-6-30 14227 Yuba Bottom 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
  JEPS104445  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
  JEPS113831  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
  CDA39199  Juncus effusus var. exiguus L. Ahart 2002-10-8 9947 Yuba On the edge of a small 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. 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
  CHSC47551  Juncus ensifolius Lowell Ahart 1969-7-15 30 Yuba About 10 miles south of La Porte. 914 Comment
  CHSC47552  Juncus ensifolius Lowell Ahart 1980-8-12 2539 Yuba On a large gravel bar in Slate Creek, west of where Gold Run Creek flows into Slate Creek, above Onion Creek, about 7 miles south of La Porte. 1158 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
  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
  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
  JEPS113845  Juncus laccatus Lowell Ahart 2007-8-7 14414 Yuba On the east side of a small pond, on the west side of the dirt road, Hampshire Creek Meadow, about 5 yards west of the dirt road, about 1 mile (air) east of Clipper Mills 1021 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
  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
  CHSC96982  Juncus tenuis Lowell Ahart 2007-8-7 14428 Yuba South of Hampshire Creek Meadow, graded edges of the dirt road, about 1 mile (air) east of Clipper Mills. On the east side of a small pond, on the west side of the dirt road. 1021 Comment
  JEPS103390  Juncus tenuis Lowell Ahart 2002-10-9 9951 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
  RSA726438  Juncus tenuis L. Ahart 2007-11-1 14539 Yuba About 1 mile northwest of Old Camptonville Road, about 1.5 miles (air) west of Camptonville. 627 Comment
  RSA727522  Juncus tenuis L. Ahart 2007-8-7 14428 Yuba About 1 mile (air) east of Clipper Mills. 1021 Comment
  SEINET3450946  Juncus tenuis Unknown 2003-7-6 10365 Yuba Dobbins, Dobbins, about 5 air miles north, east of the power line, about 30 yards west of Fountain Hill Road 830 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
  CHSC83059  Juncus usitatus Lowell Ahart 2002-10-8 9947 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
  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
  JEPS103250  Juncus usitatus Lowell Ahart 2002-10-8 9947 Yuba N of Camp Far West Reservoir (300 yd SE of intersection of Camp Far West Road and Long Ravine Rd) 121 Comment
  JEPS113746  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
  UCD123765  Keckiella breviflora var. glabrisepala Barbara Yungert 1974-5-13 149 Yuba along dirt road, north of Yuba River, F-2 project area, Sierra Foothill Field Station. Comment
  CDA14570  Kelloggia galioides G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3049 Yuba La Porte _ Quincy Road 3.6 miles northeast of Strawberry Valley at the Plumas county line. 1280 Comment
  JEPS121313  Kickxia elatine Lowell Ahart 2013-11-30 19300 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
  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
  CAS-BOT-BC180848  Kochia scoparia Lemmel Jr. Osborne 1948-9-5 s.n. Yuba Near Marysville 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
  CDA43103  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
  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
  CHSC112860  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
  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
  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-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
  UCD133618  Lagophylla glandulosa Barbara Yungert 1974-5-23 175 Yuba Along fence of F 1-14 and F 1-13 project areas, east of Forbes Hill, Sierra Foothill 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
  CAS-BOT-BC352767  Lasthenia fremontii Gordon H. True 1963-4-17 1179 Yuba About 10 miles E of Marysville, on Marysville-Grass Valley Hwy 30 Comment
  CAS-BOT-BC352769  Lasthenia fremontii Annetta Carter 1940-4-21 1528 Yuba 4.3 miles SE of Marysville on road to Spenceville 30 Comment
  JEPS113621  Lasthenia fremontii Lowell Ahart 2007-5-12 13771 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
  SBBG28004  Lasthenia fremontii A. Carter 1940-4-21 1528 Yuba 4.3 mi SE of Maryville rd to Spenceville 30 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
  UCR47660  Lasthenia glaberrima C. B. Wolf 1937-5-18 08735 Yuba SacramenoValley, 2 mi south of Marysville 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
  JEPS98596  Lathyrus hirsutus Lowell Ahart 2000-5-25 8394 Yuba 6 air miles S of Smartville (field near a N branch of Dry Dreek, 2 mi N of intersection of Waldo Road and Smartville Road, 100 yds W of Smartville Road) 146 Comment
  CHSC116216  Lathyrus latifolius Lowell Ahart 2015-6-16 20247 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
  UCD106387  Lathyrus nevadensis Kathleen Keliher 1975-5-15 112 Yuba Along Peterson Road, 1 mile from Oregon House Road. Comment
  SBBG3370  Lathyrus sulphureus H. and M. Dearing 1939-5-8 3298 Yuba N of Bullards Bar Dam on Yuba River Comment
  UCD106457  Lathyrus sulphureus W. R. Powell 1967-6-13 1457 Yuba 1 1/2 miles northeast of Challenge. Comment
  UCR234193  Layia chrysanthemoides George K. Helmkamp, E. A. Helmkamp 2011-4-10 17165 Yuba Sacramento Valley, along Camp Beale Highway/Spenceville Rd., c. 1.75 miles northeast of Wheatland 44 Comment
  SJSU11676  Layia fremontii J. B. Willis Jr. 1969-4-19 Yuba 7 mi E of Marysville on Hammonton-Smartville Rd Comment
  UCD135654  Layia fremontii Bruce G. Baldwin 1988-3-21 687 Yuba 3.3 miles west of junction with County Road E21 (road to Collins Lake, Bullards Bar Reservoir) along California State Highway 20. Comment
  CHSC116267  Leersia oryzoides Lowell ahart 2015-11-19 20682 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
  CHSC76312  Leersia oryzoides Lowell Ahart 1999-9-17 8239 Yuba South of Woodruff Lane, just east of Matthews Road, east of Sam Shintaffer's rice dryer, about 5 miles (air) northeast of Marysville. In a rice field. 24 Comment
  SEINET13710836  Leersia oryzoides Lowell William Ahart, Lowell William Ahart 1999-1 8239 Yuba 5 Mi NE of Marysville Comment
  UCD103532  Legenere limosa Ellen Tatum Pimentel 2010-5-13 s.n. Yuba On Beale Air Force Base, north of North Beale Road (~0.9 mile as the crow flies) and west of Reed's Creek, in what appears to be an old ox-bow of Reed's Creek. CNDDB occurrence #51. 24 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
  CAS-BOT-BC534940  Lemna minuta Lowell Ahart 1981-6-13 2858 Yuba Near McGinn Hill, Loma Rica. Sierra Nevada, California. 300 Comment
  CHSC107127  Leontodon saxatilis subsp. longirostris L. P. Janeway 2011-6-2 10358 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
  CHSC116581  Leontodon saxatilis subsp. longirostris L. P. Janeway 2015-6-30 11787 A 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
  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
  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
  JEPS113101  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
  CAS-BOT-BC339138  Leontodon saxatilis subsp. saxatilis Lowell Ahart 1979-6-3 s.n. Yuba 1 mi s of Challenge 700 Comment
  UCR201940  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2008-10-6 14203 Yuba Sacramento Valley, junction of CA-65 and Ostrom No. 3 Road, southeast of Olivehurst 24 Comment
  UCR231337  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2011-5-6 17180 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
  UCR257542  Leontodon taraxacoides George K. Helmkamp 2014-4-17 22760 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
  RSA726962  Leontodon taraxacoides subsp. longirostris L. Ahart 2007-5-14 13874 Yuba About 13 miles (air) northeast of Marysville. 28 Comment
  UC1124465  Lepechinia calycina M. A. Elvin 1933-7-1 36 Yuba 1 1/2 mi S of Virginia Ranch 457 Comment
  UCD37854  Lepidium Beecher Crampton 1962-4-24 6258 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  UCD82842  Lepidium campestre Robin McMaster 1973-6-24 482 Yuba Oregon Creek Campground. Comment
  CAS-BOT-BC88875  Lepidium chalepense Michael A. Vincent 1999-6-12 8637 Yuba Along canal parallel to Route 20 at jct. with Feather River Boulevard, 0.4 mile north of Sutter county line, Marysville. Comment
  CHSC95094  Lepidium latifolium L. P. Janeway; Erin Brandy 2006-7-10 8809 Yuba Northern High Sierra Nevada. West side of Slate Creek just north of the Scales Road crossing ('35' Road); 10 m west of the creek; between dirt road miner's campsite access and the creek, close to the campsite. 905 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
  JEPS113806  Leptochloa 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
  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
  CHSC97638  Leptosiphon bicolor Lowell Ahart 2007-5-14 13878 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
  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
  CDA40067  Leptosiphon filipes Yuba County School Children 1930-4-12 s.n. Yuba [No further data.] 0 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
  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
  CAS-BOT-BC341757  Lessingia nana Gordon H. True; J. T. Howell 1967-6-13 3558 Yuba Ca. 5 miles east of Wheatland and 1 mile north of Bear River 54 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
  UCR263565  Lessingia nemaclada Lowell Ahart 2002-10-10 9979 Yuba Sierra Nevada Mtns., E of the upper part of Englebright Reservoir on the Yuba River, along Rice's Crossing Road, c. 2 miles (air) N of Bridgeport, c. 18 miles N of Highway 20 166 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
  UCD33715  Lessingia virgata Beecher Crampton 1972-6-20 8816 Yuba ca. 3 miles S.W. of Brown's Valley. Comment
  UCD33887  Lessingia virgata Beecher Crampton 1974-10-11 9094 Yuba 3 miles S.W. of Brown's Valley along Hwy. 20. Comment
  UCD92453  Leymus X multiflorus Collector Unknown 1948-1 s.n. Yuba Near Marysville. Comment
  RSA129554  Leymus triticoides F. W. Embree 1934-4-30 47 Yuba 4 miles ENE. of Marysville B.M 23 Comment
  UC1134613  Lilium humboldtii M. A. Elvin 1933-7-14 49 Yuba 2 mi w Dobbin; Smartsville Quad. 762 Comment
  UC984808  Lilium humboldtii A. M. Vollmer and L. Beane Jul 1951 187 Yuba Brownsville Comment
  CAS-BOT-BC130619  Lilium humboldtii Mrs. J. E. Cramsie 1923-6-14 s.n. Yuba Smartsville Comment
  RSA130321  Lilium humboldtii subsp. humboldtii Albert M. Vollmer 1949-7-6 s.n. Yuba 1 mile from Challenge on Chllenge-Camptonville Road Comment
  RSA130323  Lilium humboldtii subsp. humboldtii Albert M. Vollmer 1949-7-6 s.n. Yuba 1 mile from Challenge on Chllenge-Camptonville Road Comment
  CAS-BOT-BC130868  Lilium pardalinum Volney Rattan s.n. Yuba unspecified 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
  SEINET6670288  Limnanthes alba var. alba L. Constance 1949-4-29 3280 Yuba Oregon House, 2 miles W of Dobbins. 457 Comment
  SJSU10806  Limnanthes douglasii subsp. rosea L. J. Ericksen 1955-4-17 118 Yuba 2 mi S of Marysville Comment
  CHSC47690  Limnophila X ludoviciana Lowell Ahart 1977-9-25 1593 Yuba In a rice field on the Sam Shintaffer Farm, about 2 miles north-east of Marysville. 30 Comment
  CDA6279  Limnophila X ludoviciana L. Ahart 1977-9-25 Yuba Sam Shintaffer Farm, 2 miles northeast of Marysville. 0 Comment
  JEPS95981  Limosella acaulis Lowell Ahart 1999-9-17 8247 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 24 Comment
  SEINET13710968  Limosella aquatica Lowell William Ahart, Lowell William Ahart 1999-1 8247 Yuba 5 Mi. NE Marysville, 80 Ft 24 Comment
  CHSC83045  Lindernia dubia var. anagallidea Lowell Ahart 2002-10-9 9971 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
  JEPS103441  Lindernia dubia var. anagallidea Lowell Ahart 2002-10-9 9971 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
  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
  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
  UCR231320  Linum bienne George K. Helmkamp, E. A. Helmkamp 2011-5-6 17208 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
  CHSC116039  Lipocarpha micrantha Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-11-14 20645 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
  CAS-BOT-BC36576  Lithocarpus densiflorus f. attenuato-dentatus Michael Tallman; Don Gers 1987-6-8 s.n. Yuba 1.5 mi north of Challenge 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
  CDA14562  Lithocarpus densiflorus var. densiflorus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3039 Yuba Oregon Hill Road, 0.1 mile north of Marysville Road, southwest of Bullards Bar Dam. 701 Comment
  CAS-BOT-BC36025  Lithocarpus densiflorus var. densiflorus Alice Eastwood 1918-4-7 6808 Yuba Camptonville Comment
  CAS-BOT-BC36547  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
  CHSC11374  Lithocarpus densiflorus var. echinoides Lowell Ahart 1966-8-12 Yuba Near Challenge. 609 Comment
  UCD81505  Lithophragma affine Christopher Michael Bronny 2009-4-1 17 Yuba Oat Hills' area of Sierra Nevada foothills. 174 Comment
  CAS-BOT-BC430983  Lithophragma bolanderi Junea Kelley 1920-4-24 s.n. Yuba Los Vergils Comment
  CAS-BOT-BC325969  Lithospermum californicum Charles Williams 1981-4-1 s.n. Yuba Near Brownsville. 609 Comment
  CAS-BOT-BC342375  Logfia gallica Alice Eastwood 1921-5-22 10534 Yuba Los Vergils Comment
  SEINET4671403  Lolium multiflorum A. Tiehm 1975-1 639 Yuba U.C. Sierra Foothill Field Station 198 Comment
  UCD66222  Lolium multiflorum Beecher Crampton 1962-4-24 6262 Yuba 5 miles E of Browns Valley. Sierra Foothill Range Field Station. Comment
  UCR231334  Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 2011-5-6 17183 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-BC269199  Lolium temulentum T. C. Fuller 1971-6-13 19888 Yuba East shore of Lake Francis, Lake Francis Rd., 1 mi. s.e. of Dobbins, Sierra Nevada 533 Comment
  UCD66633  Lolium temulentum Beecher Crampton 1965-6-17 7371 Yuba Ca. 3/4 mile north of Stanfield Hill, Willow Glen Creek. 396 Comment
  UCD81503  Lomatium caruifolium Christopher Michael Bronny 2009-4-1 15 Yuba Oat Hills' area of Sierra Nevada foothills. 140 Comment
  CHSC97664  Lomatium caruifolium var. denticulatum Lowell Ahart 2007-5-14 13857 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
  CHSC68466  Lomatium marginatum var. marginatum Lowell Ahart; Barbara Castro, Dan Barth, Diane Mastalir 1997-4-6 7734 Yuba Along 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
  CHSC59490  Lomatium utriculatum H. E. Mac Lennan 1992-4-15 19 Yuba 20 air miles se of Oroville. 518 Comment
  CAS-BOT-BC241406  Lonicera John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54080 Yuba About 2 miles northeast of Dobbins on Oregon Hill Road 701 Comment
  RSA0074187  Lonicera involucrata M. A. Elvin 1933-7-14 54 Yuba Greenville. 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
  CHSC11389  Lonicera involucrata var. involucrata Lowell Ahart 1968-5-10 Yuba Near Challenge 762 Comment
  UC567158  Lonicera involucrata var. involucrata M. A. Elvin 1933-7-14 54 Yuba Greenville Smartsville Quadrangle 762 Comment
  SEINET7072996  Lotus humistratus A. G. Vestal 1963-5-30 s.n. Yuba Meadow about 3.9 miles south of Brownsville and 0.3 mile north of Willow Glen Ranch on Willow Glen Road. UTM Zone 10, 647202mE, 4364746mN. Coordinate datum: NAD27). Comment
  SEINET7075557  Lotus humistratus 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
  SEINET3563125 Image available Lotus purshianus var. purshianus G. K. Helmcamp, E. A. Helmkamp 2008-10-6 14201 Yuba Sacramento Valley: junction of CA-65 and Ostrom No. 3 Road, SE of Olivehurst 24 Comment
  CHSC10847  Ludwigia peploides subsp. peploides Lowell Ahart 1966-9-5 Yuba San Shintaffer Ranch. 42 Comment
  CAS-BOT-BC198287  Lupinus Charles Piper Smith 1949-4-16 49108 Yuba Rackerby, 1.5 miles east - Brownsville Road Comment
  UCD105997  Lupinus albifrons Barbara Yungert 1974-5-21 169 Yuba north side of Yuba River, Sierra Foothill Field Station. Comment
  CHSC68478  Lupinus albifrons var. albifrons Lowell Ahart; Barbara Castro, Dan Barth, Diane Mastalir 1997-4-6 7727 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 Scotts Forbes Road (Long Bar Road), about 17 miles northeast of Marysville. 198 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
  SBBG29027  Lupinus benthamii B. Crampton 1967-5-17 Yuba 5 mi E of Brown's Valley Comment
  SFV1865  Lupinus benthamii K. Wagnon 1963-6-11 s. n. Yuba Roadside at end of Scott-Forbes Road in vicinity of Sierra Foothills Range Field Station, about 3 miles north of Smartville. 335 Comment
  UCD107038  Lupinus benthamii K. A. Wagnon 1963-6-11 s.n. Yuba at roadside at end of Scott-Forbes Road, 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
  JEPS107408  Lupinus benthamii var. opimus Lowell Ahart 2005-3-11 11611 Yuba S steep slope of large rock outcrop, W of 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 395 Comment
  UC710381  Lupinus bicolor C. P. Smith 1946-5-2 46247 Yuba 7.4 mi sw Hammonton Road Smartville; Smartville - 7.4 mi sw Hammonton Road 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
  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
  UCR257544  Lupinus bicolor George K. Helmkamp 2014-4-17 22762 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
  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
  UCD107333  Lupinus bicolor Barbara Yungert 1974-4-16 46 Yuba Cambell Valley, Sierra Foothill Field Station. Comment
  UCD107335  Lupinus bicolor Barbara Yungert 1974-4-16 50 Yuba Kock Livestock, Sierra Foothill Field Station. 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
  RSA21300  Lupinus densiflorus var. lacteus Carl B. Wolf 1937-5-13 8645 Yuba Sierra Nevada Foothills, 1 2/10 mi. below Stanfield hill on road to Browns Valley. 274 Comment
  CHSC41210  Lupinus latifolius J. D. Jokerst 1984-4-23 1981 Yuba Slopes ca 1/4 mile N of the North Fork Yuba River at Wambo Bar. 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
  UC865432  Lupinus lepidus var. sellulus Lewis S. Rose 1939-6-6 39227 Yuba Woodleaf 944 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
  CHSC59318  Lupinus microcarpus var. densiflorus Thomas J. Van Wagner 1992-3-12 16 Yuba Scattered groups of plants along s berm State Highway 20, ca. 200 m e Marysville Rd. ca. 24 km ene Marysville. 36 Comment
  UC710380  Lupinus microcarpus var. densiflorus C. P. Smith 1946-4-25 46224 Yuba Hiway 24 at railroad crossing 1 mi n Marysville Comment
  JEPS107406  Lupinus nanus Lowell Ahart 2005-3-11 11619 Yuba Along sides of the poor dirt road, 100 yd 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
  UC710404  Lupinus nanus C. P. Smith 1946-5-1 46243 Yuba Hiway 99e, 1.2 mi n Wheatland; Wheatland - 1.2 mi n Hiway 99e Comment
  UC710407  Lupinus nanus C. P. Smith 1946-5-2 46253 Yuba Hiway 20, 0.3 mi w Smartville; w of Smartville Comment
  UC710412  Lupinus nanus C. P. Smith 1946-5-2 46251 Yuba Hiway 20, 0.3 mi w Smartville; w of Smartville 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
  SD236293  Lupinus polyphyllus var. burkei G. K. Helmkamp, E. A. Helmkamp 2008-5-20 13490 Yuba Foothills, northern Sierra Nevada Mountains: Camptonville, at the junceion of Henness Pass road and CA-49. 822 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
  JEPS107417  Lupinus stiversii Lowell Ahart 2005-3-11 11610 Yuba S steep slope of large rock outcrop, W of 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 395 Comment
  SEINET10903612  Lupinus vallicola subsp. apricus Charles Piper Smith 1948-4-27 Smith 48182 Yuba Junction Dobbins & Browns Valley - Brownsville roads. Stanfield Hill, 3.4 mi NE. 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
  CHSC106354  Luzula cascadensis Lowell Ahart 2010-7-27 16914 Yuba 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
  UCD142082  Luzula comosa Kathleen Keliher 1975-4-13 61 Yuba Sierra Foothill Field Station. Junction of Lower Cook Road and four wheel drive road, K 1-11 project area, Sierra Foothill Field Station. 243 Comment
  CHSC10768  Luzula macrantha Lowell Ahart 1968-4-21 Yuba Five miles S.E. of Challenge. 609 Comment
  CHSC59617  Luzula macrantha Kathleen Keliher 1975-4-13 61 Yuba Junction of Lower Cook Road and four wheel drive road, K 1-11 project area, Sierra Foothill Field Station. 243 Comment
  HSC104263  Luzula macrantha P. F. Zika 2010-6-22 24980 Yuba Northern Sierra Nevda Highlands; west side of Challenge Cut-off, 2.5 air km NE of Brownsville 755 Comment
  JEPS118081  Luzula macrantha Lowell Ahart 2011-6-7 17419 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
  SEINET6178448  Luzula macrantha Frank Polach 1967-4-22 11 Yuba Located 2.5 miles east of Brownsville.; 0 762 Comment
  JEPS120941  Luzula subsessilis Lowell Ahart 2013-4-23 18567 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
  CHSC97134  Lycopus americanus Lowell Ahart 2007-6-30 14237 Yuba Near and west of new road pad, about 250 yards west of the power tower, about 30 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 28 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
  RSA0016012  Lythrum hyssopifolia L. 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
  UCD103041  Lythrum hyssopifolia Kathleen Keliher 1975-5-28 116 Yuba Near Dry Creek and Rowell's property. Comment
  UCD103077  Lythrum hyssopifolia Barbara Yungert 1974-5-30 186 Yuba Near gate in SC-5 project area, Sierra Foothill Field Station. Comment
  UCD82294  Madia Robin McMaster 1973-6-24 505 Yuba Oregon Creek Campground. Comment
  SEINET7072997  Madia elegans subsp. elegans A. G. Vestal 1963-5-30 s.n. Yuba Meadow about 3.9 miles south of Brownsville and 0.3 mile north of Willow Glen Ranch on Willow Glen Road. UTM Zone 10, 647202mE, 4364746mN. Coordinate datum: NAD27). Comment
  CAS-BOT-BC344594  Madia exigua Lewis S. Rose 1940-5-28 40393 Yuba Oregon House 457 Comment
  CHSC45008  Madia exigua Lowell Ahart 1979-7-3 1920 Yuba About 1 mile south of Challenge. 640 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-BC343557  Madia gracilis Lowell Ahart 1980-8-12 2551 Yuba Along Slate Creek 1250 Comment
  CAS-BOT-BC343559  Madia gracilis Lowell Ahart 1980-8-12 2551 Yuba Along Slate Creek 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
  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
  SEINET7072983  Madia gracilis A. G. Vestal 1963-5-29 s.n. Yuba About 0.4 mile west of Erle Road on Hammonton-Smartville Road. UTM Zone 10, 638165mE, 4337165mN. Coordinate datum: NAD27). Comment
  UCD134296  Madia gracilis G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12837 Yuba Northern Sierra Nevada Mountains Foothills: along Hwy. CA-49, 0.5 mile south of Camptonville. 817 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
  SBBG128105  Madia gracilis L. Ahart 2011-6-7 17380 Yuba rd margin, ca. 25 yards S of the huge gravel bar along the Yuba River, ca. 150 yards W of the S end of Parks Bar Bridge (Hwy 20), ca. 15 mi (by air) NE of Marysville 66 Comment
  HSC100825  Madia rammii Lowell Ahart 2007-5-12 13772 Yuba Bottom of swale, ~100 yd. SW of second power tower, ~300 yd. N of Fruitland Rd., 13 (air) mi. NE of Marysville. 28 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
  CHSC108195  Madia subspicata Lowell Ahart 2011-6-7 17381 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
  JEPS118045  Madia subspicata Lowell Ahart 2011-6-7 17381 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
  SEINET7072992  Madia yosemitana A. G. Vestal 1963-5-30 s.n. Yuba About 3.3 miles south of Brownsville on Willow Glen Road near Chritterden Ridge. UTM Zone 10, 647294mE, 4365554mN. Coordinate datum: NAD27). Comment
  CHSC40955  Malacothrix floccifera J. D. Jokerst 1984-7-5 2084 Yuba Canyon of the N. Fork Yuba River, N. of the river at its junction with Deadwood Creek. 701 Comment
  UCD134398  Malacothrix floccifera Barbara Yungert 1974-4-17 60 Yuba North of Yuba River, F-2 project area, Sierra Foothill Field Station. Comment
  RSA716506  Marah fabacea L. Ahart 2005-3-11 11602 Yuba 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
  JEPS107451  Marah fabacea var. agrestis Lowell Ahart 2005-3-11 11602 Yuba In center 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
  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
  CHSC113176  Marsilea vestita subsp. vestita Lowell Ahart 2013-11-30 19317 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
  UCD35775  Medicago arabica Beecher Crampton 1962-4-24 6288 a Yuba 5 miles E of Browns Valley. Sierra Foothill Range Field Station. Comment
  UCD33105  Medicago lupulina Beecher Crampton 1966-6-14 7743 Yuba Yuba County, 1 mile east of Brownsville on La Porte road. 731 Comment
  SEINET7042629  Medicago lupulina 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
  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
  CAS-BOT-BC271130  Melica aristata Lowell Ahart 1979-6-25 s.n. Yuba 1 mi. S of Challenge 700 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
  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
  UCD86452  Melica californica Beecher Crampton 1957-6-5 4149 Yuba 1/2 mile W of Oregon House Post Office. 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
  UCD88662  Melica subulata W. R. Powell 1968-5-24 1553 Yuba 5 miles SSE of Challenge, 3/4 miles south of Greenville. In pine forest community. 640 Comment
  UCD89075  Melica torreyana Beecher Crampton 1965-5-11 7316 Yuba 3 miles east of Brown's Valley. 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
  SEINET5322428  Melica torreyana M. Mooney 1982-1 460 A Yuba UCB Sierra Field Station, road between station and main highway 183 Comment
  CHSC97684  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
  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
  RSA726437  Melilotus albus L. Ahart 2007-11-1 14541 Yuba About 1 mile northwest of Old Camptonville Road, about 1.5 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
  JEPS103257  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 SW of the Day Camp, Sly Creek Reservoir. 1072 Comment
  CDA19166  Mentha pulegium Roush 2000-6-27 PDR 1199230 Yuba Sacramento Valley; on N side of Iowa City Road, Marysville. 0 Comment
  UCD37850  Micropus Beecher Crampton 1962-4-24 6254 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  JEPS118294  Micropus californicus var. californicus Lowell Ahart 2011-6-7 17382 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
  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
  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
  UC614489  Mimulus aurantiacus var. grandiflorus L. Constance 1938-6-8 2291 Yuba 4 mi nw North San Juan; Sierra Nevada foothills, Middle Fork Yuba River 426 Comment
  SEINET12334053  Mimulus bifidus D. B. Wilson 1972-1 1 Yuba ca 300 yds NW of Englebrigh Reservoir on Yuba River E of Nevada City 244 Comment
  CAS-BOT-BC9749  Mimulus discolor George Ledyard Stebbins 1966-5-22 6409 Yuba Near Forbestown 822 Comment
  UCD122717  Mimulus guttatus Barbara Yungert 1974-4-14 34 Yuba along road 5, outside Meathook area, Sierra Foothill Field Station. Comment
  RSA535807  Mimulus kelloggii David M. Thompson 1988-3-21 848 Yuba Between 0.8 and 0.9 mi W of Hwy 49 bridge over Yuba River along Moonshine Road, which starts on the N side of the bridge. 442 Comment
  UC886288  Mimulus moniliformis Lewis S. Rose 1939-6-6 39233 Yuba Strawberry Valley 1219 Comment
  CDA14572  Mimulus moschatus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-22 3051 Yuba La Porte _ Quincy Road 3.6 miles northeast of Strawberry Valley at the Plumas county line. 1280 Comment
  POM161754  Mimulus moschatus R. C. Bacigalupi 1927-7-2 1587 Yuba Highway to Downieville about 8 mi NE of Camptonville. Comment
  JEPS113623  Mimulus 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
  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
  CHSC116317  Mollugo verticillata Lowell Ahart 2015-11-19 20688 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
  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
  CAS-BOT-BC435062  Mollugo verticillata J. T. Howell; Gordon H. True 1969-6-24 5093 Yuba Vineyard Creek ca. 4 miles south of Smartville on Beale AFB Rd. 152 Comment
  CAS-BOT-BC435063  Mollugo verticillata Alice Eastwood 1913-7-3 3409 Yuba Wheatland Comment
  CAS-BOT-BC219941  Monardella breweri subsp. lanceolata Lowell Ahart 1983-8-10 4273 Yuba Along the Peterson Ridge Road, about 5 miles east of Challenge 1000 Comment
  CHSC112958  Monardella sheltonii L. P. Janeway 2014-7-2 11438 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
  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
  JEPS107349  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 5 386 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
  UCD32864  Muhlenbergia rigens Beecher Crampton 1964-10-22 7228 Yuba Yuba County, 3 miles east of Browns Valley, dry creek bed. 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
  UCD86999  Muhlenbergia rigens Beecher Crampton 1964-10-22 7228 Yuba Yuba County, 3 miles east of Browns Valley, dry creek bed. Comment
  CHSC96491  Myosotis discolor Lowell Ahart 2007-4-17 13686 Yuba East bank 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
  JEPS103502  Najas Lowell Ahart 2002-10-8 9941 a Yuba In 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
  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
  UCD87479  Nassella pulchra Beecher Crampton 1962-4-24 6274 Yuba 5 miles east of Browns Valley. Sierra Foothill Range Field Station. 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
  UCR189430  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
  POM299237  Navarretia eriocephala L. S. Rose 1939-6-5 s.n. Yuba Smartsville 183 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
  CHSC69144  Navarretia filicaulis Lowell Ahart 1997-8-7 7807 Yuba On the north side of New York Flat Road, about one mile northwest of La Porte Road, about 1 mile north 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
  RSA123151  Navarretia filicaulis A. E. Wieslander 1933-6-21 255 Yuba 1.5 miles west of Rapps Ranch 457 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
  UCR118919  Navarretia intertexta Beecher Crampton 1957-6-5 4132 Yuba Central Sierra Nevada foothills., 2.6 Miles northeast of Brown's Valley Post Office 366 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
  SJSU10209  Navarretia intertexta C. W. Sharsmith 1983-6-7 8790 Yuba Rose Ranch c. 4 mi NE of Strawberry Valley on the La Porte-Wuincy Rd; boundary Yuba & Sierra county 1432 Comment
  UCD48463  Navarretia intertexta Beecher Crampton 1971-6-18 8735 Yuba Sierra Foothill Range Field Station. Ca. 6.5 miles E of Browns Valley. Comment
  CDA40265  Navarretia intertexta subsp. intertexta L. Ahart 2002-6-3 9685 Yuba Along a small drainage, in a large open meadow like area, about 140 yards west of where a few people park along Long Ravine Road, about one mile southeast of the intersection of Long Ravine Road and Camp Far West Road, northeast of Camp Far West Reservoir. Comment
  UCD147084  Navarretia intertexta subsp. intertexta Chuck Hughes 2013-5-2 369 Yuba Northwest margin of Camp Far West Reservoir. 97 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
  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
  RSA189460  Navarretia leucocephala subsp. leucocephala L. S. Rose 1967-6-13 67125 Yuba 7 mi. NE of Wheatland. 61 Comment
  SEINET3163761  Navarretia propinqua L. S. Rose 1940-5-28 40377 Yuba Browns Valley 61 Comment
  CAS-BOT-BC233617  Navarretia pubescens Lewis S. Rose 1939-6-5 39202 Yuba Smartsville 182 Comment
  CHSC108214  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
  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
  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
  CAS-BOT-BC229014  Navarretia pubescens Beecher Crampton 1957-6-5 4131 Yuba 2.6 miles northeast of Brown's Valley P.O. Comment
  OBI11305  Navarretia pubescens Lewis S. Rose 1967-6-13 67126 Yuba Camp Far West Reservoir. 7 mi NE of Wheatland 122 Comment
  RSA122941  Navarretia pubescens H. S. Yates 1933-5-24 3641 Yuba Near Toland Ranch 122 Comment
  SEINET5906105 Image available Navarretia pubescens L. S. Rose 1967-1 67126 Yuba Camp Far West Reservoir. 7 mi NE of Wheatland. Comment
  UCD48620  Navarretia pubescens Beecher Crampton 1957-6-5 4131 Yuba 2.6 miles NE of Brown's Valley P.O. Comment
  UCD118213  Navarretia squarrosa G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12832 A Yuba Northern Sierra Nevada Mountains: along Hwy CA-49, 0.5 mile south of Camptonville. 817 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
  UCD37133  Navarretia tagetina Beecher Crampton 1957-6-5 4116 Yuba 10 miles east of Marysville, along State Highway 20. Comment
  RSA189450  Navarretia tagetina L. S. Rose 1967-6-13 67124 Yuba 7 mi. NE of Wheatland 61 Comment
  UC718060  Nemophila heterophylla Carl B. Wolf 1937-5-13 8638 Yuba on road to Browns Valley 2 7/10 mi below Stanfield Hill; Sierra Nevada foothills, below Stanfield Hill 182 Comment
  UCR194912  Nemophila heterophylla George K. Helmkamp, E. A. Helmkamp 2007-5-26 12134 Yuba Northern Sierra Nevada Mountains Foothills, along CA-49, 1.3 miles south of Camptonville 802 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
  SEINET7073621  Nemophila maculata A. G. Vestal 1955-5-21 s.n. Yuba New York Flat. About 2.6 miles south of Forbestown on New York Flat Road. UTM Zone 10, 649035mE, 4272168mN. Coordinate datum: NAD27. 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
  CDA3518  Nymphaea odorata G. D. Barbe 1977-4-18 2253 b Yuba 13th and D Streets, Marysville . 0 Comment
  CDA3522  Nymphaea odorata G. D. Barbe 1977-4-18 2253 b Yuba 13th and D Streets, Marysville . 0 Comment
  CHSC96416  Odontostomum hartwegii L. P. Janeway 2006-5-24 8633 Yuba Northern Sierra Nevada Foothills. South side of Frenchtown Road 1.2 road km northeast of Marysville Road and Oregon House. 483 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
  RSA21304  Odontostomum hartwegii Carl B. Wolf 1937-5-13 8649 Yuba Sierra Nevada Foothills, 1.6 miles NW of Stanfield Hill, along fork of south Honcut Creek. 305 Comment
  SEINET3557365 Image available Odontostomum hartwegii Lewis S. Rose 1939-6-6 39224 Yuba 2 miles southwest of Brownsville. 594 Comment
  SEINET3992117  Odontostomum hartwegii Unknown 1939-6-6 39224 Yuba 2 mi S. W. of Brownsville 594 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
  CHSC63239  Packera eurycephala var. eurycephala Lowell Ahart 1994-6-5 7295 Yuba On the north side of Costa Creek, on the north side of Forbestown Road, about 3 (air) miles east of Forbestown. 853 Comment
  CAS-BOT-BC316983  Packera layneae Lowell Ahart 1980-6-19 2409 Yuba 4 miles east of Challenge 900 Comment
  CHSC44564  Panicum acuminatum Lowell Ahart 1979-6-25 1949 Yuba North of the road, about 2 miles east of Challenge. 640 Comment
  CHSC112094  Panicum acuminatum var. fasciculatum L. P. Janeway; James Nixon, Eduardo Gonzales 2014-7-2 11430 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
  UCD33106  Panicum acuminatum var. fasciculatum Beecher Crampton 1966-6-14 7745 Yuba 1 mile east of Brownsville on La Porte road. 731 Comment
  UCD88528  Panicum acuminatum var. fasciculatum Beecher Crampton 1964-10-22 7222 Yuba 3 miles east of Brown's Valley, Dry Creek. Comment
  UCD88530  Panicum acuminatum var. fasciculatum Beecher Crampton 1965-6-17 7367 Yuba ca. 0.75 mile north of Stanfield Hill, Willow Glen Creek. 396 Comment
  UCD88531  Panicum acuminatum var. fasciculatum Beecher Crampton 1966-6-14 7745 Yuba 1 mile east of Brownsville on La Porte road. 731 Comment
  CHSC97485  Panicum capillare Lowell Ahart 2007-5-14 13886 Yuba 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
  SEINET10661915  Panicum capillare Lowell Ahart 2007-10-31 Ahart 14513 Yuba T20N, R5E, southeast 1/4 Section 18. West of the official parking area, strand of Lake Oroville, Foreman Creek Area, about 1 mile south of Highway 1623 (Oroville Quincy Road), about 7 miles (air) northeast of Oroville. 225 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
  CHSC44582  Panicum dichotomiflorum Lowell Ahart 1977-8-31 1562 Yuba Along the edges of a rice field, on Shintaffer Farms Inc., about 2 miles north-east of Marysville. 27 Comment
  SEINET10920908  Panicum dichotomiflorum Lowell Ahart 1999-9-5 Ahart 8198 Yuba T16N, R4E, Section not surveyed. On the disturbed area on the south side of Woodruff Lane, just west of Kimball Lane, about 5 miles (air) northeast of Marysville. 37 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
  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
  CHSC78172  Parentucellia viscosa Lowell Ahart 2000-5-25 6396 Yuba On the seepy edges 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
  CHSC93950  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
  UCR231319  Parentucellia viscosa George K. Helmkamp, E. A. Helmkamp 2011-5-6 17193 Yuba East edge of Sacramento Valley, Camp Far West Road, 0.9 mile west of the junction at Camp Far West Reservoir 65 Comment
  UCR231329  Parentucellia viscosa George K. Helmkamp, E. A. Helmkamp 2011-5-6 17199 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
  SBBG121199  Parentucellia viscosa L. Ahart 2007-5-14 13856 Yuba 60 yards N of the third power tower, ca. 0.5 mi N of Fruitland Rd, ca. 13.5 mi (air) NE of Marysville 29 Comment
  UCD88742  Paspalum dilatatum L. Osborn 1951-11-27 s.n. Yuba Sid Smith's Ranch. Comment
  UC1555418  Paspalum distichum H. R. Bennett 1954-8-6 Yuba 4 mi ne Marysville 22 Comment
  UCD150648  Paxistima myrsinites Collector unknown 1974-5-15 200 Yuba 5.5 mi N of Camptonville on Highway 49. 914 Comment
  CHSC116525  Pedicularis densiflora Lowell Ahart 2015-4-30 20127 A 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
  JEPS18882  Pedicularis densiflora Rimo Bacigalupi with G. T. Robbins and Fran Chisaki 1956-4-19 5622 Yuba 3.1 mi e of Dobbins (between Dobbns and Bullard Bar Dam, watershed of North Fork of Yuba River, 5.5 mi sw of Bullard Bar Dam); Yuba River 783 Comment
  UCD123319  Pedicularis densiflora Kathleen Keliher 1975-4-24 68 Yuba near Marysville and Bald Mountain Roads, four miles east of Browns Valley. 91 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
  JEPS127128  Pedicularis racemosa Lowell Ahart 2016-9-9 21343 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-BC77200  Pellaea mucronata subsp. mucronata Gordon H. True; J. T. Howell 1969-4-9 4786 Yuba Road between Englebright Dam and Anthony House, ca. 1 mile west of Anthony House. 365 Comment
  JEPS35169  Pellaea mucronata var. mucronata Mrs. S. M. Rust Yuba 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
  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
  SEINET7072994  Penstemon laetus var. laetus A. G. Vestal 1963-5-30 s.n. Yuba Meadow about 3.9 miles south of Brownsville and 0.3 mile north of Willow Glen Ranch on Willow Glen Road. UTM Zone 10, 647202mE, 4364746mN. Coordinate datum: NAD27). Comment
  SEINET11262157  Penstemon laetus var. leptosepalus Karl A. 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 Challange.; 0 732 Comment
  NY604494  Penstemon laetus var. leptosepalus L. S. Rose 1939-6-7 39236 Yuba South Fork Feather River, 3 miles south of Pulga 609.6 Comment
  POM190467  Penstemon laetus var. leptosepalus D. D. Keck 1932-7-1 1608 Yuba 1 mile SE of log Cabin Service Station, W of Camptonville. 610 Comment
  RSA6487  Penstemon laetus var. leptosepalus D. D. Keck 1930-7-25 982 Yuba 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
  SEINET12315995  Pentagramma triangularis E. O. Pelton 1878-1 s.n. Yuba no further locality Comment
  UCD137770  Pentagramma triangularis Barbara Yungert 1974-4-16 51 Yuba Koch Livestock Area, Sierra Foothill Field Station. Comment
  CHSC115301  Pentagramma triangularis subsp. triangularis Lowell Ahart 2015-4-30 20131 Yuba Serpentine, on the weast side of the quarry, about 1 1/4 miles (air) south west of the Bullards Bar Dam, about 3 miles (air) northeast of Dobbins. Yellow Pine Forest. 709 Comment
  UCD81493  Pentagramma triangularis subsp. triangularis Christopher Michael Bronny 2009-4-1 5 Yuba Oat Hills' area of Sierra Nevada foothills. 217 Comment
  CHSC69128  Perideridia bacigalupii Lowell Ahart 1997-8-7 7810 Yuba On the north side of the dirt road, Peterson Ridge Road, about 3 miles (air) southeast of Challenge. 762 Comment
  JEPS118717  Perideridia bacigalupii L. P. Janeway 2011-8-15 10646 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. French Corral 7.5' quad. Comment
  JEPS94993  Perideridia bacigalupii Lowell Ahart 1997-8-7 7810 Yuba about 3 air mi se of Challenge (on n side of the dirt road, Peterson Ridge Road); Peterson Ridge Road 762 Comment
  UCD18441  Perideridia bolanderi subsp. involucrata Eric Knapp 2000-6-16 229 B Yuba Sierra Foothill Research and Extension Center, dry grassy slope, blue oak woodland. 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
  CHSC105609  Perideridia lemmonii L. P. Janeway 2010-11-8 10140 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
  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
  CHSC47472  Persicaria lapathifolia Lowell Ahart 1977-8-31 1558 Yuba Growing in shallow water in a rice field, on the Sam Shintaffer Farm, about 2 miles north-east of Marysville. 27 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
  UCD99571  Persicaria maculosa G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12835 Yuba Northern Sierra Nevada Mountains: along Hwy. CA-49, 0.5 mile south of Camptonville. 817 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
  CHSC76291  Persicaria punctata Lowell Ahart 1999-9-17 8243 Yuba On the margins of a rice field, 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
  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
  UC572502  Petrorhagia dubia H. S. Yates 1933-5-23 3616 Yuba two mi ne Spenceville; Smartsville Quad. 304 Comment
  SEINET5337378  Petrorhagia dubia W. Short 1959-4-11 s.n. Yuba 5 miles west of Smartville, Calif. on California highway 20. 366 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
  UC735048  Phacelia egena Lincoln Constance, Howard E. McMinn 1946-5-11 3039 Yuba 6 mi n Stanfield Hill 563 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
  SJSU11213  Phacelia egena J. B. Willis Jr. 1969-4-19 54 Yuba Hammonton Rd 3 mi W of Smartville 182 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
  UCR196980  Phacelia hastata var. compacta George K. Helmkamp, E. A. Helmkamp 2008-5-20 13465 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of the Nevada Co. line at Oregon Creek 466 Comment
  RSA10981  Phacelia humilis var. humilis Carl B. Wolf 1927-11-5 1440 Yuba Eight miles from Marysville on road to Browns Valley. 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
  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
  CHSC97679  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
  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
  UCD89167  Phalaris minor Beecher Crampton 1957-6-5 4124 Yuba 10 miles E of Marysville. Along State Hwy. 20. Comment
  CAS-BOT-BC72715  Philadelphus lewisii Rimo Bacigalupi 1927-7-2 1594 Yuba highway to Downieville about 8 miles northeast of Camptonville 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
  CHSC45360  Phlox speciosa subsp. occidentalis Vernon Oswald 1985-5-20 1772 Yuba Forbestown Rd. between Forbestown and Woodleaf 2.9 mi e of the Butte Co.-Yuba Co. line. On a road cut. 975 Comment
  JEPS18171  Phlox speciosa subsp. occidentalis Rimo Bacigalupi with G. T. Robbins and F. Chisaki 1956-4-19 5621 Yuba 1 mi n Dobbins (0.4 mi s of Dobbins Ranger Station, along road from Oregon House to Dobbins) 571 Comment
  SEINET7073615  Phlox speciosa subsp. occidentalis A. G. Vestal 1955-5-21 s.n. Yuba About 20.5 miles east of Oroville on Challang Cuttoff Road. UTM Zone 10, 650291mE, 4373240mN. Coordinate datum: NAD27. Comment
  POM202706  Phlox speciosa subsp. occidentalis J. E. Cramsie 1932-5-1 s.n. Yuba Smartville. 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
  UCD102239  Phoradendron leucarpum subsp. tomentosum Barbara Yungert 1974-5-23 182 Yuba Koch Landing, K 1-11 project area, Sierra Foothill Field Station. Comment
  UC177573  Phyla caespitosa H. M. Hall 1914-8-2 9833 Yuba near Marysville Comment
  CHSC113671  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
  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
  CHSC84164  Pickeringia montana var. montana Lowell Ahart 2003-6-29 10317 Yuba On the west side of Ponderosa Way, 100 yards north of the road to the dump, about 1 mile north of La Porte Road, about 1 mile (air) west of Brownsville. 684 Comment
  CAS-BOT-BC76954  Pilularia americana Lowell Ahart 1977-9-25 s.n. Yuba 2 miles northeast of Marysville, Sam Shintaffer Farm. 35 Comment
  CHSC97670  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
  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
  CAS-BOT-BC228044  Plagiobothrys Gordon H. True 1963-4-17 1176 Yuba About 10 miles E of Marysville, on Marysville-Grass Valley Highway 30 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
  UCD120784  Plagiobothrys bracteatus Barbara Yungert 1974-5-7 127 Yuba Forbes Hill, F1-14 project area, Sierra Foothill Field Station. 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
  CHSC97662  Plagiobothrys fulvus Lowell 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. 35 Comment
  JEPS94320  Plagiobothrys fulvus Lowell Ahart, Barbara Castro, Dan Barth, Diane Mastalir 1997-4-6 7728 Yuba about 17 mi ne of Marysville (n of the poor dirt road, s of Dry Creek, about 1 1/4 mi e of Scott Forbes Road (Long Bar Road)) 137 Comment
  RSA726544  Plagiobothrys fulvus L. Ahart 2007-5-12 13777 Yuba About 13 miles (air) northeast of Marysville. 36 Comment
  SBBG121298  Plagiobothrys glyptocarpus L. Ahart 2007-4-17 13682 Yuba ca. 1/8 mi W of Marysville Rd and the Parking Area, Daugherty Hill Wildlife Area, Donovan Hill Management Area, ca. 5.5 air mi NE of Loma Rica 292 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
  JEPS113479  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
  UCD120935  Plagiobothrys nothofulvus Barbara Yungert 1974-4-4 2 Yuba Along four wheel drive road, north of Yuba River, Sierra Foothill Field Station. Comment
  CHSC108200  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
  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
  JEPS103277  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2002-6-3 9688 Yuba Bottom of pond spillway, second small man made pond, ca 1/4 mile south of Long Ravine Road, ca 1/8 mile east of the intersection of Camp Far West Road and Long Ravine Road, north of Camp Far West Reservoir 102 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
  SBBG121519  Plagiobothrys stipitatus var. micranthus L. Ahart 2007-5-12 13779 Yuba 400 yds N of Fruitland Rd, ca. 13 mi NE of Marysville 28 Comment
  SEINET13203148 Image available Plagiobothrys stipitatus var. micranthus George K. Helmkamp, Amy Barnes 2013-1 20250 Yuba Eastern Sacramento Valley: northbound exit road from CA-65, connecting with Forty Mile Road (Olivehurst 7.5' Q.) 30 Comment
  CHSC68472  Plagiobothrys tenellus Lowell Ahart; Barbara Castro, Dan Barth, Diane Mastalir 1997-4-6 7735 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
  RSA747892  Plantago coronopus James R. Shevock, Bob Holland 1985-5-6 11131 Yuba Beale Air Force Base E of Marysville. Pools adjacent to runway. 40 Comment
  CHSC97494  Plantago elongata Lowell Ahart 2007-5-12 13802 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
  UCSC008273  Plantago elongata Lowell Ahart 2007-5-12 13802 Yuba About 400 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  CHSC59561  Plantago erecta H. E. Mac Lennan 1992-4-15 15 Yuba 20 air mi se of Oroville. 487 Comment
  CHSC96871  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
  CHSC97493  Plantago lanceolata Lowell Ahart 2007-5-14 13867 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
  UCD124618  Plantago lanceolata Barbara Yungert 1974-5-6 119 Yuba In backyard of house, south of headquarters, Sierra Foothill Field Station. 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
  CHSC96976  Platanthera leucostachys Lowell Ahart 2007-8-7 14422 Yuba On the southwest part of Hampshire Creek Meadow, about 80 yards west of the dirt road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  JEPS95419  Platanthera leucostachys Lowell Ahart 1994-6-27 7390 Yuba 4 mi NE of Strawberry Valley (near the SE side of Schwartz Meadow, on the E side of La Porte Road) 1219 Comment
  UCD82075  Platystemon californicus Robin McMaster 1973-4-7 221 Yuba Browns Valley, Peoria Cemetery. Comment
  UCD37882  Plectritis ciliosa Beecher Crampton 1962-4-24 6306 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. 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
  CHSC97484  Poa annua Lowell Ahart 2007-5-12 13826 Yuba Along the dirt road and about 20 yards northwest of the gate, about 20 yards south of the power tower, about 50 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville. 35 Comment
  UCD90347  Poa annua Beecher Crampton 1962-4-24 6286 Yuba 5 miles E of Browns Valley. Sierra Foothill Range Field Station. 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
  CHSC97762  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
  CHSC44587  Poa pratensis Lowell Ahart 1979-6-25 1942 Yuba About 1 mile south of Challenge, in a logged over area. 640 Comment
  CHSC8576  Poa pratensis Dave Isle 1969-4-29 428 Yuba On a lawn two doors N. of the Chevron station (W. side of street) at the E.-7th St. intersection in Marysville. 57 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
  JEPS121795  Poa pratensis subsp. angustifolia L. P. Janeway, James Nixon, Eduardo Gonzales 2014-7-2 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. 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
  UCD92100  Poa trivialis Beecher Crampton 1966-6-14 7756 Yuba 1 mile east of Brownsville on La Porte road. 731 Comment
  CHSC97633  Pogogyne zizyphoroides Lowell Ahart 2007-5-12 13797 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
  CDA43443  Polygala cornuta Jan Kendal 2015-5-27 PDR# 510 P06303312 Yuba Loma Rica. 0 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
  CHSC112960  Polygala cornuta var. cornuta L. P. Janeway 2014-7-2 11435 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
  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
  CAS-BOT-BC110539  Polygonum Lowell Ahart 1977-8-31 s.n. Yuba Found 2 miles northeast of Marysville. On the Sam Shintaffer Farm. 35 Comment
  JEPS115022  Polygonum arenastrum Lowell Ahart 2007-11-1 14537 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
  CHSC97464  Polygonum aviculare 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
  CHSC97683  Polygonum aviculare Lowell Ahart 2007-11-1 14537 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-BC414362  Polygonum californicum J. T. Howell; Gordon H. True 1971-5-26 s.n. Yuba 8 mi. e. of Marysville 30 Comment
  CAS-BOT-BC414406  Polygonum douglasii Lowell Ahart 1980-8-12 2540 Yuba Along Slate Creek 1250 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
  RSA10979  Polygonum persicaria Carl B. Wolf 1927-11-5 1438 Yuba Eight miles from Marysville on road to Browns Valley. Comment
  CHSC97629  Polygonum polygaloides subsp. confertiflorum Lowell Ahart 2007-5-14 13853 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
  CAS-BOT-BC232956  Polypogon australis Peter Rubtzoff 1972-4-4 6725 Yuba UC Sierra Foothill Range Field Station, N of Smartville Comment
  UCD90518  Polypogon australis Beecher Crampton 1965-6-17 7374 Yuba Ca. 3/4 mile north of Stanfield Hill, Willow Glen Creek. 396 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
  CHSC69159  Polypogon interruptus Lowell Ahart 1997-8-7 7827 Yuba On the west side of the dirt road, near an unnamed stream, Peterson Ridge Road, about 3 miles (air) southeast of Challenge. 762 Comment
  CHSC78226  Polypogon maritimus Lowell Ahart 2000-6-11 8465 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
  UCD91182  Polypogon maritimus Beecher Crampton 1957-6-5 4114 Yuba Along State Hwy. 20, 10 miles east of Marysville. Comment
  UC1153916  Polypogon maritimus Beecher Crampton 1957-6-5 4114 Yuba along State Hwy. 20, 10 miles east 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
  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
  CHSC43543  Polystichum imbricans Lowell Ahart 1974-12-29 687 Yuba About 300 feet south-west of the road near the edge of Costa Creek, about 2 1/2 miles east of Forbestown. 518 Comment
  CHSC116295  Polystichum imbricans subsp. curtum Lowell Ahart 2015-10-23 20580 Yuba On west side of road to Slate Creek, about 1/4 mile southwest of Slate Creek Dam, about 2 miles (air) northeast of La Porte Road, about 6 1/4 miles (air) southwest of La Porte. 1119 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
  CHSC4212  Polystichum imbricans subsp. curtum J. Wheeler 1967-2-15 1 Yuba Locally scattered along small brook s of La Porte Road about 1.7 mi. ne of Brownsville. 694 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
  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
  CHSC97753  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
  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
  JEPS95098  Polystichum munitum Lowell Ahart 1997-8-7 7830 Yuba ca. 3 (air) mi. e. Challenge (on w. side of dirt rd. on s. side of Indian Creek) 762 Comment
  CAS-BOT-BC102413  Populus fremontii Saichi Kawahara 1968-4-13 285 Yuba Highway 20 at north bank Yuba River, Park's Bar 91 Comment
  CAS-BOT-BC102492  Populus fremontii Junea Kelley 1920-4-24 s.n. Yuba Los [Vergils] Verjeles Comment
  CHSC113178  Portulaca oleracea Lowell Ahart 2013-11-30 19305 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-BC267184  Potamogeton foliosus A. Starker Leopold 1956-7-18 s.n. Yuba 3 miles NW of Rio Oso Post Office Comment
  CHSC83216  Potamogeton foliosus var. foliosus Lowell Ahart 2002-10-8 9941 Yuba In 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
  CHSC96981  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
  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
  CDA37686  Potamogeton nodosus Robin Breckenridge 2004-6-15 s.n. Yuba Oregon House, Yuba County Irrigation Canal. 0 Comment
  CDA18836  Potamogeton pectinatus R. Breckenridge, Morse 1999-7-22 PDR 958961 F Yuba Lake Pillsbury, Upper Lake. 0 Comment
  CDA18833  Potamogeton pusillus R. Breckenridge, Morse 1999-7-22 PDR 958961 A Yuba Lake Pillsbury, Upper Lake. 0 Comment
  JEPS103560  Potamogeton pusillus var. pusillus Lowell Ahart 2002-6-3 9687 Yuba Man made pond, ca 1/4 mile S of Long Ravine Road, ca 1/8 mile E of the intersection of Camp Far West Road and Long Ravine Road there is a poor Texas gate on the S side of the road, N of Camp Far West Reservoir. 106 Comment
  CHSC63168  Poterium sanguisorba Lowell Ahart 1994-6-27 7374 Yuba In about the center of Schwartz Meadow, on the east side of La Porte Road, about 4 miles north-east of Strawberry Valley. 1219 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
  JEPS100271  Prunus subcordata Dean W. Taylor 2001-5-9 17644 Yuba canyon of the North Fork Yuba River near Kelley Bar, Plumas National Forest 609 Comment
  CHSC113675  Pseudognaphalium californicum L. P. Janeway 2014-6-24 11417 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
  CHSC108219  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
  CHSC97693  Pseudognaphalium luteoalbum Lowell Ahart 2007-11-1 14534 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
  JEPS115027  Pseudognaphalium luteoalbum Lowell Ahart 2007-11-1 14534 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
  UCD135082  Pseudognaphalium luteoalbum G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12833 Yuba Northern Sierra Nevada Mountains: along Hwy CA-49, 0.5 mile south of Camptonville. 817 Comment
  CHSC113681  Pseudognaphalium thermale L. P. Janeway 2014-6-24 11418 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
  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
  SEINET7072978  Psilocarphus brevissimus 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
  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
  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
  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
  CHSC74073  Psilocarphus tenellus var. tenellus B. Castro; R. Fallscheer, M. A. Griggs, N. Kang, J. Dittes 1995-4-15 558 Yuba Ca 2.5 air mi S of the Yuba River, on Beale AFB grounds, ca 1 mi NW of main campground. 28 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
  CHSC43544  Pteridium aquilinum var. pubescens Lowell Ahart 1979-6-3 1923 Yuba About 1 mile south of Challenge. 670 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
  UCR196996  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2008-5-20 13488 Yuba Foothills, northern Sierra Nevada Mountains, Camptonville, at the junction of Henness Pass Road and CA-49 823 Comment
  UCR206953  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2009-5-28 14825 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.5 mile north of the Camptonville exit 805 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
  SEINET7085243  Pterospora andromedea Steven R. Hill 2010-7-17 38554 Yuba Along La Porte Road, 950 feet northeast of Travis Saddle and the road to Sly Creek Reservoir Dam. 13.6 kilometers north-northwest of Camptonville. Just southwest of Strawberry Valley Sierra Nevada. Coordinate Datum: WGS84/NAD83. 1103 Comment
  CHSC90343  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
  RSA715486  Pterostegia drymarioides L. Ahart 2005-3-11 11617 Yuba 1/2 miles W of Marysville road, 1/2 mile N of Parking area 3, Dauherty Hill Wildlife area, Donovan Hill Management Area, 1/2 mile N of Loma Rica Road, 5 miles air NE of Loma Rica. 395 Comment
  CAS-BOT-BC105017  Quercus X morehus C. R. Quick 1947-10-2 47 -85 Yuba 8.3 mi NE of Brown's Valley (General Store) Comment
  CAS-BOT-BC86018  Quercus X morehus Carl B. Wolf 1930-10-12 1739 Yuba along the Yuba River near bridge on Browns Valley to Smartville Road 152 Comment
  UCD40459  Quercus chrysolepis Rodney Gale Myatt 1972-1 1484 -11 Yuba Lake Francis. Lower edge of small creek (dry in summer), which empties into a small, damned basin. 550 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
  UCD40461  Quercus chrysolepis Rodney Gale Myatt 1973-7-1 1592 -2 Yuba Bullard's Bar Dam. 550 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
  UCD82667  Quercus chrysolepis Rodney Gale Myatt 1971-11-1 1524 -1 Yuba Oregon Creek-Middle Fork Yuba River. Yuba River where smaller Oregon Creek is confluent. 640 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
  UC484023  Quercus douglasii Carl B. Wolf 1930-10-12 Yuba near bridge on Browns Valley to Smartsville Road (along Yuba River); Yuba River 152 Comment
  UCD37876  Quercus douglasii Beecher Crampton 1962-4-24 6296 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  UCD45764  Quercus douglasii Beecher Crampton 1963-9-9 6877 Yuba 2.5 miles n.n.w. Smartsville, 5 miles east of Brown's Valley. UC. Sierra Foothill Field Station. Comment
  CHSC32630  Quercus durata var. durata M. S. Taylor; L. Hanson 1981-4-2 3466 Yuba N side of Forbestown-Woodleaf Rd, ca. 3/4 mi e of its jct with Forbestown Rd, ca. 2 mi w of Woodleaf. 853 Comment
  CAS-BOT-BC94268  Quercus garryana var. semota Lowell Ahart 1981-8-7 3021 Yuba Near the Brownsville Dump, about 2 miles SW of Brownsville 600 Comment
  CDA20046  Quercus lobata P. Akers 2002-9-19 StB- 080 Yuba Sacramento Valley; E of Marysville on Smartville & Beale AFB Rd, 0.1 mi S of Waldo Rd. 0 Comment
Read comments
Jun 12 2008
  UCD46814  Quercus lobata Barbara Yungert 1974-6-5 195 Yuba Along Porter Creek, south of station headquarters, Sierra Foothill Field Station, Yuba County, California. Comment
  UCD47512  Quercus wislizeni Barbara Yungert 1974-6-5 191 Yuba West of road near old headquarters, H 1-A project area, Sierra Foothill Field Station, Yuba County, California. 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
  UCD37878  Ranunculus arvensis Beecher Crampton 1962-4-24 6302 Yuba 5 miles east of Brown's Valley, 2.5 miles north-northwest of Smartsville, University of California Foothill Field Station. Comment
  CAS-BOT-BC378952  Ranunculus arvensis John Thomas Howell; Gordon H. True 1971-5-26 47607 Yuba 8 mi east of Marysville 30 Comment
  CAS-BOT-BC378927  Ranunculus bonariensis James R. Shevock; Bob Holland 1985-5-6 11127 Yuba Sacramento Valley, Beale Air Force Base east of Marysville 00000000000000000000000000000 400 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
  SD241160  Ranunculus bonariensis var. trisepalus George K. Helmkamp, E. A. Helmkamp 2011-5-6 17205 Yuba East edge of Sacramento Valley: junction of Camp Far West Road and Spenceville Road, 5.4 mi. NE (47a^z) of Wheatland (Camp Far West 7.5'Q) 56 Comment
  SD248487  Ranunculus bonariensis var. trisepalus George K. Helmkamp, Elizabeth A. Helmkamp 2011-5-6 17205 Yuba East edge of Sacramento Valley: junction of Camp Far West Road and Spenceville Road, 5.4 miles NE (47a^z) of Wheatland (Camp Far Weset 7.5'Q) 56 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
  RSA647815  Ranunculus californicus E. H. Cowen 1948-3-10 s.n. Yuba near railroad tracks east side 8.5 mi S of Marysville Comment
  UCD82079  Ranunculus californicus Robin McMaster 1973-4-7 237 Yuba Browns Valley, Dry Creek. Comment
  UCD95968  Ranunculus californicus W. R. Powell 1968-4-24 1478 Yuba along Peoria Road, 4 miles northeast of Browns Valley. 158 Comment
  UCR118900  Ranunculus canus Beecher Crampton 1962-4-24 6307 Yuba Central Sierra Nevada foothills, University of California Foothill Field Station, 5 miles east of Brown's Valley, 2.5 miles NNW of Smartville 366 Comment
  CHSC96492  Ranunculus hebecarpus Lowell Ahart 2007-4-17 13693 Yuba 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
  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
  CHSC63161  Ranunculus occidentalis Lowell Ahart 1994-6-27 7373 Yuba In about the center of Schwartz Meadow, on the east side of La Porte Road, about 4 miles north-east of Strawberry Valley. 1219 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
  JEPS97387  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
  UCD96793  Ranunculus occidentalis R. O. Hanes 1992-4-6 48 Yuba Plumas Forest. 731 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
  CHSC110341  Ranunculus occidentalis var. occidentalis L. P. Janeway; Tim Hanson 2013-4-25 11090 Yuba Northern High Sierra Nevada. Plumas National Forest; headwaters area of Burnt Bridge Creek; between Oregon Hill Road and Oregon Hills; 1.8 air km north of Oregon Peak. 828 Comment
  CHSC45407  Ranunculus occidentalis var. occidentalis Lowell Ahart 1973-5-6 216 Yuba Near Challenge. 762 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
  CHSC45408  Ranunculus pusillus Lowell Ahart 1978-4-21 1658 Yuba Along the edge of a rice field, on the Sam Shintaffer Farm, west of Kimball Lane, about 2 miles north-east of Marysville. 30 Comment
  CHSC97654  Ranunculus pusillus Lowell Ahart 2007-5-12 13813 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
  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
  UCR201738  Raphanus raphanistrum George K. Helmkamp, E. A. Helmkamp 2008-10-6 14211 Yuba Sacramento Valley, Ostrom #3 Road, 1.2 miles east of junction with CA-65, southeast of Olivehurst 20 Comment
  UCR131694  Rhamnus californica subsp. tomentella C. B. Wolf 1927-11-6 1445 Yuba Brown's Valley to Smartville Road, along left bank of Yuba River, near bridge 152 Comment
  UCR168221  Rhamnus californica subsp. tomentella C. B. Wolf 1927-11-6 1447 Yuba Brown's Valley to Smartville Road, along left bank of Yuba River, near bridge 152 Comment
  CHSC100721  Rhamnus crocea L. P. Janeway 2008-5-11 9360 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
  CHSC100772  Rhamnus crocea L. P. Janeway 2008-5-11 9355 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. Near head of dry northwest-sloping swale. 994 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
  CHSC46509  Rhamnus crocea Lowell Ahart 1976-4-15 1072 Yuba Along the edge of Ponderosa Way, near the Brownsville Dump, south-west of Brownsville. 487 Comment
  CAS-BOT-BC59382  Rhamnus ilicifolia Carl B. Wolf 1927-11-6 1449 Yuba Browns Valley to Smartsville Road, along left bank of Yuba River, near bridge 152 Comment
  CHSC113645  Rhamnus ilicifolia L. P. Janeway 2014-5-12 11250 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. 750 Comment
  JEPS117940  Rhamnus ilicifolia L. P. Janeway 2008-5-11 9355 Yuba About 0.8 km north-northereast of Challenge of Challange-La Porte Road (Golden Gate Ravine side of the ridge between that and Jordan Creek; west side of Road 19N04 1.1 km north-northwest); Northern High Sierra Nevada 994 Comment
  RSA754447  Rhamnus ilicifolia L. P. Janeway 2008-5-11 9360 Yuba Northern High Sierra Nevada: In the NW head of Slapjack Creek; along Road 19N34, 1.3 road km SE of Challenge-La Porte Road; about 1.2 km SSE of Woodleaf. 940 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
  SEINET10493671  Rhamnus ilicifolia Mary Susan Taylor, L. Hanson 1981-4-15 Taylor 3538 Yuba T19N R7E ne/nw sec 17, Clipper Mills quad. S side of Rd 19N44, in Golden Gate Ravine, ca. 1.5 mi SW of Woodleaf. 2800 ft. 853 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
  RSA601955  Rhamnus tomentella 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
  RSA742591  Rhamnus tomentella subsp. tomentella Carl B. Wolf 1930-10-12 1738 Yuba Along the Yuba River near Hammondon 152 Comment
  RSA7866  Rhamnus tomentella subsp. tomentella Carl B. Wolf 1927-11-6 1445 Yuba Along the Yuba River near bridge on the Browns Valley to Smartsville Road. Comment
  RSA7869  Rhamnus tomentella subsp. tomentella Carl B. Wolf 1927-11-6 1446 Yuba Along the Yuba River near bridge on the Browns Valley to Smartsville Road. Comment
  UC1121761  Rhamnus tomentella subsp. tomentella M. A. Elvin 1933-7-7 43 Yuba 2 mi e Oregon House; Smartsville Quad. 487 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
  CAS-BOT-BC199726  Rhododendron occidentale Beecher Crampton 1966-6-14 7740 Yuba 1 mile east of Brownsville, La Porte road 731 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
  UC566050  Rhododendron occidentale M. A. Elvin 1933-7-14 53 Yuba Greenville 762 Comment
  UCD33118  Rhododendron occidentale Beecher Crampton 1966-6-14 7740 Yuba Yuba County, 1 mile east of Brownsville on La Porte road. 731 Comment
  RSA121960  Rhododendron occidentale var. californicum M. A. Elvin 1933-7-14 53 Yuba Greenville. Comment
  CHSC116585  Rhynchospora capitellata L. P. Janeway 2015-7-1 11796 Yuba Northern High Sierra Nevada. Plumas National Forest; headwters of cottage Creek, one of a series of meadows; 0.15 km soutwest of Oregon Hill Road, 1.3 air km northeast of Oregon Peak. 815 Comment
  CHSC45977  Ribes roezlii Lowell Ahart 1975-5-4 751 Yuba Near Brownsville. 609 Comment
  CAS-BOT-BC209277  Ribes roezlii var. roezlii Alice Eastwood 1918-4-7 6796 Yuba Camptonville Comment
  UCD81499  Romulea rosea var. australis Christopher Michael Bronny 2009-4-1 11 Yuba Oat Hills' area of Sierra Nevada foothills. 183 Comment
  JEPS115020  Rorippa curvisiliqua Lowell Ahart 2007-11-1 14542 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-BC74444  Rorippa curvisiliqua Gordon H. True; J. T. Howell 1967-6-13 3562 Yuba Camp Far West of Reservoir on Bear River east of Wheatland. 60 Comment
  CHSC82382  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 there is a poor Texas gate on the south side of the road, north of Camp Far West Reservoir. 102 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
  JEPS115008  Rorippa curvisiliqua var. occidentalis Lowell Ahart 2007-11-8 14588 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
  JEPS110504  Rorippa curvisiliqua var. occidentalis Robert E. Preston 1997-10-29 1057 Yuba Beale Air Force Base, E of Golf Course. 39 Comment
  CHSC83044  Rorippa curvisiliqua var. orientalis Lowell Ahart 2002-10-9 9953 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
  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
  JEPS115009  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
  CHSC113651  Rosa bridgesii L. P. Janeway 2014-5-20 11256 A 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
  CHSC113652  Rosa bridgesii L. P. Janeway 2014-5-20 11256 B 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
  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
  JEPS102599  Rosa bridgesii Lowell Ahart 2001-8-2 9052 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
  JEPS104206  Rosa bridgesii Lowell Ahart 2003-10-11 10627 Yuba On both sides of the paved road to Scales, ca 1 mi south of La Porte Rd, ca 1 1/2 mi (air) south of Sly Creek, ca 1 1/2 mi ne of Strawberry Valley. 1219 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
  JEPS108555  Rosa bridgesii L. P. Janeway 2006-5-24 8611 Yuba Northern High Sierra Nevada Foothills. Along Ponderosa Way 1.0 road km southeast of Robinson Mill Road; 1.2 air km southeast of Robinson Mills & Forbestown Road 768 Comment
  JEPS123871  Rosa bridgesii Lowell Ahart 2015-4-30 20124 Yuba About 3/4 mile (air) southeast of Woodleaf. 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
  JEPS124105  Rosa californica Lowell Ahart, Susan Kephart, Jim Kephart 2015-6-4 20196 Yuba About 3/4 mile southeast of the intersection of Weiss Road and Forbestown Road, about 2 miles (air) southwest of Forbestown. 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
  UC1776779  Rosa canina G. Douglas 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. J. T. Howell #54079 701 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
  JEPS95029  Rosa gymnocarpa Lowell Ahart 1997-8-7 7817 Yuba Peterson Ridge Rd. ca. 3 mi. (air) s.e. Challenge (bottom of small stream - a branch of Little Oregon Creek, on w. side of dirt rd.) 762 Comment
  SJSU10220  Rosa gymnocarpa C. W. Sharsmith 1983-6-8 8801 Yuba Oak Flat Rd near Union Hill 1371 Comment
  CHSC63167  Rosa pisocarpa Lowell Ahart 1994-6-27 7383 Yuba Along the south side of 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
  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
  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
  SD130473  Rotala indica Lowell Ahart 1977-8-31 Yuba 2.0 miles northeast of Marysville; Sam Shintaffer Farm. 29 Comment
  UCD103089  Rotala indica John F. Williams 1974-10-8 s.n. Yuba On Tanabe Road, NE of Marysville. Comment
  CHSC76284  Rotala ramosior Lowell Ahart 1999-9-17 8246 Yuba On the margins of a rice field, 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
  JEPS124308  Rotala ramosior Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-11-14 20650 Yuba Below the high water line of Lake Francis, about 1 1/2 miles south of Dobbins. Comment
  CDA37502  Rotala ramosior L. Ahart 1999-9-17 8246 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
  UCD113562  Rubus armeniacus D. H. Hartmann 1941-10-11 s.n. Yuba 15 miles east of Marysville, along U.S. #20. Comment
  CHSC97120  Rubus laciniatus Lowell Ahart 2007-8-7 14409 Yuba Hampshire Creek Meadow, about 20 yards east of the dirt road, about 1 mile (air) east of Clipper Mills. 1021 Comment
  JEPS113573  Rubus laciniatus Lowell Ahart 2007-8-7 14409 Yuba Hampshire Creek Meadow, about 20 yards east of the dirt road, about 1 mile (air) east of Clipper Mills 1021 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
  CHSC106051  Rubus ursinus 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
  UCD113996  Rubus ursinus Beecher Crampton 1972-6-20 8818 Yuba Yuba County, ca. 2 miles west of Sicard Flat. 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
  UCD17935  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
  UCD33716  Rubus ursinus Beecher Crampton 1972-6-20 8818 Yuba Yuba County, ca. 3 miles S.W. of Brown's Valley. Comment
  SD236385  Rumex acetosella G. K. Helmkamp, E. A. Helmkamp 2008-5-20 13470 Yuba Sierra Nevada Mountains Foothills: along CA-49, 0.1 miles north of the Nevada Co. line at Oregon Creek. 466 Comment
  JEPS118301  Rumex conglomeratus Lowell Ahart 2011-6-7 17407 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
  UCD101140  Rumex crispus G. K. Helmkamp; E. A. Helmkamp 2007-8-29 12837 Yuba Northern Sierra Nevada Mountains Foothills: along Hwy. CA-49, 0.5 mile south of Camptonville. 817 Comment
  UCR189624  Rumex crispus George K. Helmkamp, E. A. Helmkamp 2007-8-29 12837 Yuba Northern Sierra Nevada Mountains Foothills, along Hwy CA-49, 0.5 mile south of Camptonville 817 Comment
  CHSC97507  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
  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
  CAS-BOT-BC445724  Sagittaria latifolia Lowell Ahart 1977-9-25 s.n. Yuba Sam Shintaffer Farm, 2 mi. northeast of Marysville. 35 Comment
  CAS-BOT-BC445807  Sagittaria montevidensis Lowell Ahart 1977-8-31 s.n. Yuba Sam Shintaffer Farm, 2 mi. northeast of Marysville. 30 Comment
  CAS-BOT-BC267096  Sagittaria sanfordii W. V. Middlekauff 1955-7-4 s.n. Yuba 3 miles NW of Rio Oso Post Office Comment
  CAS-BOT-BC103040  Salix bonplandiana Alice Eastwood 1913-7-3 3413 Yuba Bear River, [Mc Courtneys] McCourtneys Bridge Comment
  CAS-BOT-BC103067  Salix bonplandiana Alice Eastwood 1913-7-3 3414 Yuba Bear River, [Mc Courtneys] McCourtneys Bridge, near Smartville Comment
  JEPS118296  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-BC104031  Salix gooddingii C. Hart Merriam 1906-9-1 s.n. Yuba Mouth of the Yuba River, Marysville 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
  JEPS120943  Salix laevigata Lowell Ahart 2013-4-23 18565 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
  CHSC108866  Salix lasiolepis Lowell Ahart 2012-2-28 17758 Yuba On the north side of Fruitland Road, about 1/2 mile east of Ramirez Road, about 13 miles northeast of Marysville. 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
  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
  UC1134923  Salix melanopsis M. A. Elvin 1933-7-1 32 Yuba Virginia Ranch Smartsville Quad. 457 Comment
  CDA20940  Salsola ryanii P. Akers 2002-9-19 RT- 10 -3 Yuba Sacramento Valley; Smartville Rd., 0.3 mi. N of Daugherty. 30 Comment
  CDA20941  Salsola tragus P. Akers 2002-9-19 RT- 07 -1 Yuba Sacramento Valley; RR crossing at Main St., Wheatland. 30 Comment
  CHSC114917  Salsola tragus P. Akers 2002-9-19 Yuba NE corner of Hwy 65 and Rancho Rd., 3 mi. NW of Wheatland. 12 Comment
  CHSC51233  Salvia sonomensis Lowell Ahart 1976-4-15 1070 Yuba Growing near the Brownsville Dump, on the east side of Ponderosa Way, about 2 miles west of Brownsville. 518 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
  UCD137217  Sambucus nigra subsp. caerulea Barbara Yungert 1974-5-14 151 Yuba near gate to Meathook project area, Sierra Foothill Field Station. Comment
  JEPS100359  Sanguisorba annua Dean W. Taylor 2001-6-6 17779 Yuba 3 air mi NE of Strawberry Valley (Slate Creek, at bridge of Forest Road 35); Yuba River Watershed 1036 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
  UC519220  Sanguisorba minor subsp. muricata A. E. Wieslander and R. W. Lundh 1933-6-19 319 Yuba 2 mi s Kentucky House 487 Comment
  UCR196989  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2008-5-20 13489 Yuba Foothills, northern Sierra Nevada Mountains, Camptonville, at the junction of Henness Pass Road and CA-49 823 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
  UC566792  Sanicula bipinnatifida Herbert L. Mason 1927-5-11 3730 Yuba vicinity of Dobbins 457 Comment
  UC566861  Sanicula bipinnatifida H. L. Mason 1927-5-11 3733 Yuba vicinity of Dobbins 457 Comment
  UCR206957  Sanicula bipinnatifida George K. Helmkamp, E. A. Helmkamp 2009-5-28 14821 Yuba Sierra Nevada Mountains Foothills, along CA-49, 0.5 mile north of the Camptonville exit 805 Comment
  CAS-BOT-BC223236  Sanicula bipinnatifida Alice Eastwood 1921-5-22 10543 Yuba Los Vergils 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
  UCD128077  Sanicula crassicaulis Barbara Yungert 1974-5-9 143 Yuba west of Road 6, K 1-11 project area, Sierra Foothill Field Station. 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
  JEPS88900  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); s side of Costa Creek 853 Comment
  SD257166  Scandix pecten-veneris George K. Helmkamp 2014-8-17 22766 Yuba Sierra Nevada Foothills: Hammonton-Smartsville Road, 0.7 mile southwest of its junction with CA-20, c. 0.65 mile due S of Smartsville (Smartsville 7.5'Q) 263 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
  UCR257126  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
  UCSB63990  Schoenoplectus acutus var. occidentalis Janeway, L. 1997-6-26 Yuba Yuba City quad.: T16N, R4E, NW1/4 of SE1/4 of sec. 29; south side of Woodruff Lane; 0.1 mi. west of Mathews Lane; about 4 1/2 mi. north-northeast of Marysville 23 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
  UC1552704  Scirpus microcarpus Frederica Bowcutt 1985-6-8 590 Yuba 1 air mi se Camptonville (12 air mi n of Nevada City, along Oregon Creek, Tahoe National Forest); Tahoe National Forest, along Oregon Creek 762 Comment
  UCD33109  Scirpus setaceus Beecher Crampton 1966-6-14 7752 Yuba Yuba County, 1 mile east of Brownsville on La Porte road. 731 Comment
  CHSC97663  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
  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
  CHSC78150  Scutellaria bolanderi subsp. bolanderi Lowell Ahart 2000-6-11 8472 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
  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
  CHSC107991  Scutellaria californica Matt Simenc; M. Williams 2011-7-8 23 Yuba Northern Sierra Nevada. Growing throughout rocky dry serpentine drainages and outcrops. 846 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
  CHSC93074  Scutellaria californica L. P. Janeway 1994-7-1 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. 1005 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
  UCR194895  Scutellaria californica George K. Helmkamp, E. A. Helmkamp 2007-5-26 12145 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
  POM172693  Scutellaria californica Roxana S. Ferris 1927-11-5 6938 Yuba 7 miles west of Brown Valley. Comment
  RSA10982  Scutellaria californica Carl B. Wolf 1927-11-5 1441 Yuba Eight miles from Marysville on road to Browns Valley. Comment
  RSA109836  Scutellaria californica E. K. Balls, L. W. Lenz 1956-6-20 21852 Yuba 4 mi. sw. of Camptonville, along State Hwy. 49. 976 Comment
  SD27920  Scutellaria californica Carl B. Wolf 1927-11-5 1441 Yuba 8.0 miles from Marysville on road to Brown's Valley. Comment
  UC1713643  Scutellaria siphocampyloides C. Epling 1938-6-1 Yuba near Brownsville (on road to Dobbins) Comment
  UC565456  Scutellaria tuberosa Herbert L. Mason 1927-5-11 3728 Yuba vicinity of Dobbins 457 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
  CHSC116034  Senecio vulgaris Lowell Ahart 2015-11-18 20659 Yuba Marsh like area on the west side of the Feather River, about 1/2 mile south of Palm Avenue, about 1-1/2 miles southeast of the intersection of Palm Avenue and Larkin Raod, about 5 miles (air) northeast of Gridley. 26 Comment
  RSA590207  Senecio vulgaris Michael A. Vincent, Robert M. Rhode 1996-3-29 7247 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
  CAS-BOT-BC364725  Sericocarpus oregonensis subsp. californicus Lowell Ahart 1976-10-1 s.n. Yuba Bullards Bar Dam Comment
  CAS-BOT-BC243560  Setaria parviflora Roxana S. Ferris 1927-11-5 6940 Yuba 7 miles from Brown Valley on Marysville Road 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
  CHSC96869  Setaria pumila 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
  UCD92707  Setaria pumila Beecher Crampton 1964-10-22 7223 Yuba 3 miles east of Brown's Valley Dry Creek. 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
  JEPS102448  Setaria viridis Lowell Ahart 2001-8-14 9109 Yuba On the north side of Marysville Road, about 50 yards east of the east end of Bullards Bar Dam. 609 Comment
  CAS-BOT-BC263234  Sherardia arvensis Lowell Ahart 2007-5-12 13814 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
  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
  RSA726569  Sherardia arvensis L. Ahart 2007-5-12 13814 Yuba About 13 miles (air) northeast of Marysville. 28 Comment
  UCD81498  Sherardia arvensis Christopher Michael Bronny 2009-4-1 10 Yuba Oat Hills' area of Sierra Nevada foothills. 146 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-BC213108  Sidalcea John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-22 54082 Yuba About 2 miles northeast of dobbins on Oregon Hill Road, Sierra Nevada. 701 Comment
  CHSC109482  Sidalcea gigantea G. L. Clifton 1996-8-17 35038 Yuba At Travis Saddle along La Porte Road in a meadow. 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
  SEINET7085244  Sidalcea gigantea Steven R. Hill 2010-7-17 38555 Yuba Along La Porte Road, 950 feet northeast of Travis Saddle. 13.6 kilometers north-northwest of Camptonville. Just southwest of Strawberry Valley Sierra Nevada. Type Locality. Coordinate Datum: WGS84/NAD83. 1100 Comment
  SEINET7085263  Sidalcea gigantea G. L. Clifton 1996-8-17 35038 Yuba At Travis Saddle along La Porte Road, Strawberry Valley, 39? deg. 33'37"N, 121? deg. 07'07"W. 1097 Comment
  SD130448  Sidalcea glaucescens Lowell Ahart 1980-7-25 2485 Yuba Near Slate Creek. 1200 Comment
  UC871451  Sidalcea hartwegii Lewis S. Rose 1940-5-28 40400 Yuba Oregon House 457 Comment
  UCD116752  Sidalcea hartwegii Barbara Yungert 1974-5-4 113 Yuba along four wheel drive road, north of Yuba River, F-2 project area, Sierra Foothill Field Station. Comment
  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
  JEPS113401  Sidalcea hirsuta Lowell Ahart 2007-5-14 13851 Yuba Bottom of a large vernal pool, 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
  RSA477854  Silene californica J. E. Cramsie 1932-5-1 s.n. Yuba Smartville. 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
  CHSC108191  Silene gallica Lowell Ahart 2011-6-7 17389 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
  CHSC97483  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
  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
  JEPS118057  Silene gallica Lowell Ahart 2011-6-7 17389 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
  UCD98717  Silene gallica Barbara Yungert 1974-5-7 128 Yuba Forbes Hill; F 1-14 project area, Sierra Foothill Field Station. Comment
  UCD98992  Silene laciniata subsp. californica Kathleen Keliher 1975-4-19 64 Yuba 100 yards below Englebright Reservoir, Sierra Foothill Field Station. 152 Comment
  UCD135842  Silybum marianum Kathleen Keliher 1975-5-31 126 Yuba upper H-2 project area, Sierra Foothill Field Station. 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
  CHSC10798  Sisyrinchium bellum Lowell Ahart 1969-5-14 Yuba Near Dobbins. 426 Comment
  CHSC73487  Sisyrinchium bellum H. Durio, 1995-7-13 Yuba Ca 5 air mi NE of Strawberry Valley, and ca 1.5 mi E of Slate Ck. On unnamed stream flowing S into Canyon Ck, Ca 500 ft W of USFS Rd 20N35 via unnamed dirt rd. 1249 Comment
  CHSC115891  Sisyrinchium elmeri L. P. Janeway 2015-7-1 11793 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
  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
  CHSC76111  Solanum americanum Lowell Ahart 1999-9-5 8200 Yuba 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
  CDA36460  Solanum elaeagnifolium Kevin Roush 2011-8-8 PDR# 1616478 Yuba Marysville; Biz Johnson Dr. under 10th St. Bridge. 0 Comment
  CHSC97668  Solanum physalifolium var. nitidibaccatum Lowell Ahart 2007-5-14 13848 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
  JEPS113635  Solanum sarrachoides Lowell Ahart 2007-5-14 13848 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
  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
  UC1330020  Soliva sessilis Beecher Crampton 1967-5-17 7941 Yuba 5 mi e Brown's Valley; UC Sierra Foothill Range Field Station Comment
  CAS-BOT-BC365807  Soliva sessilis Peter H. Raven 1954-4-17 6624 Yuba Marysville 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
  UCD136211  Sonchus oleraceus Barbara Yungert 1974-5-6 118 Yuba south of station headquarters, Sierra Foothill Field Station. Comment
  HSC10992  Sorghum halepense T. F. Newman 1965-9-9 6569 Yuba Helder Ranch, 11 mi. N of Marysville on Hwy. 70 Comment
  UCR200883  Sorghum halepense George K. Helmkamp, E. A. Helmkamp 2008-9-18 14131 Yuba Foothills, northern Sierra Nevada Mountains, Bullards Bar Dam, along Marysville Road, 6 miles southwest of its junction with CA-49 616 Comment
  CHSC107559  Spergula arvensis subsp. arvensis Lowell Ahart 2011-6-7 17390 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
  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
  SD240961  Spergularia macrotheca var. leucantha George K. Helmkamp, E. A. Helmkamp 2011-5-6 17191 Yuba East edge of Sacramento Valley: Camp Far West Road, 0.9 mile west of the junction at Camp Far West Reservoir (Camp Far West 7.5'Q) 64 Comment
  UCR179332  Spergularia rubra George K. Helmkamp, E. A. Helmkamp 2006-10-10 11523 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-BC390586  Spergularia rubra Lowell Ahart 1980-8-12 2565 Yuba Along Slate Creek 1250 Comment
  CHSC110463  Sphenosciadium capitellatum L. P. Janeway 2013-7-24 11186 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
  CHSC106053  Spiranthes porrifolia Lowell Ahart 2010-7-27 16919 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
  CHSC84241  Spiranthes porrifolia Lowell Ahart 2003-7-6 10357 Yuba Near and 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
  CDA20742  Sporobolus indicus T. Stevens, E. Storm 2006-5-2 PDR 1408219 Yuba Terry Stevens property, 6277 Marysville Rd., Browns Valley CA.New shoots in irrigated pasture, livestock will not eat.5 acres net, of 40 acres gross. Comment
  UCD125800  Stachys albens Beecher Crampton 1970-6-15 8617 Yuba UC Sierra Foothill Range Field Station. Around 6 miles east Brown's Valley. Comment
  CHSC96987  Stellaria borealis subsp. sitchana Lowell Ahart 2007-8-7 14408 Yuba Hampshire Creek Meadow, about 20 yards east of the dirt road, about 1 mile (air) east of Clipper Mills. On the east side of a small pond, on the west side of the dirt road. 1021 Comment
  JEPS113685  Stellaria borealis subsp. sitchana Lowell Ahart 2007-8-7 14408 Yuba Hampshire Creek Meadow, about 20 yards east of the dirt road, about 1 mile (air) east of Clipper Mills. On the east side of a small