39.15861 39.25861 -121.14388 -121.04388 UC/JEPS: Consortium Search Results
Search Results — 864 specimen records retrieved (864 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC31  Abies concolor C. W. Kitts 1896-6-1 Nevada Grass Valley Comment
  CAS-BOT-BC210672  Achnatherum lemmonii Gordon H. True 1967-6-29 3629 Nevada Hells Half Acre, just west of Grass Valley on Hwy. 20 792 Comment
  CAS-BOT-BC210674  Achnatherum lemmonii Gordon H. True 1962-5-11 570 Nevada 4 miles south west of Grass Valley, on McCourtney Rd. 701 Comment
  CAS-BOT-BC210681  Achnatherum lemmonii Gordon H. True; John Thomas Howell 1971-6-30 6717 A Nevada About 2 miles west of Grass Valley just east of Bitneys Corners 746 Comment
  CAS-BOT-BC520360  Acmispon americanus var. americanus George K. Helmkamp; Elizabeth Helmkamp 2013-5-30 20724 Nevada Northern Sierra Nevada Mountains Foothills: along Hwy CA-20, 3.5 mi W of CA-49 in Grass Valley 623 Comment
  UCD103814  Acmispon americanus var. americanus A. A. Heller 1919-5-25 13196 Nevada Near Grass Valley. Comment
  UCD104167  Acmispon grandiflorus A. A. Heller 1919-5-25 13211 Nevada Near Grass Valley. Comment
  CAS-BOT-BC526867  Aegilops triuncialis George K. Helmkamp; Elizabeth Helmkamp 2013-5-30 20723 Nevada Northern Sierra Nevada Mountains Foothills: along Hwy CA-20, 3.5 mi W of CA-49 in Grass Valley 623 Comment
  CAS-BOT-BC9059  Aegilops triuncialis Gordon H. True 1962-6-12 674 Nevada American Ranch Hill, about 5.5 miles south-west of Grass Valley 670 Comment
  CAS-BOT-BC9061  Aegilops triuncialis Gordon H. True 1967-6-29 3627 Nevada Hells Half Acre, just west of Grass Valley on Hwy. 20 792 Comment
  UCD34109  Aegilops triuncialis Beecher Crampton 1976-7-4 9402 Nevada Nevada County, Grass Valley. Comment
  UCD51587  Aegilops triuncialis Beecher Crampton 1976-7-4 9402 Nevada Grass Valley, around the Sierra Nevada Memorial Hopsital Comment
  UCD51597  Aegilops triuncialis R. Tofsrud 1948-7-1 s.n. Nevada in Grass Valley. Comment
  UCR256657  Aegilops triuncialis George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20723 Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  CAS-BOT-BC295557  Agnorhiza bolanderi Gordon H. True 1962-5-23 634 Nevada American Ranch Hill, about 5.5 miles south-west of Grass Valley 670 Comment
  RSA711786  Agoseris grandiflora R. K. Brummitt 1997-6-11 19701 Nevada At Rough and Ready, 6 km W of Grass Valley. 550 Comment
  CAS-BOT-BC22765  Agoseris heterophylla Gordon H. True 1963-5-12 1235 Nevada Just west of Grass Valley on Marysville Highway 792 Comment
  CAS-BOT-BC139627  Agrostis gigantea Gordon H. True 1962-7-3 769 Nevada Sierra Nevada. Grass Valley-Auburn Highway, 1.5 mile south of Grass Valley. 731 Comment
  CAS-BOT-BC139628  Agrostis gigantea Gordon H. True 1962-7-3 767 Nevada Sierra Nevada. About 1.5 mile southwest of Grass Valley, on McCourtney Road. 716 Comment
  CAS-BOT-BC138379  Aira caryophyllea var. caryophyllea Gordon H. True; J. T. Howell 1967-6-14 3618 Nevada Just west of Grass Valley on Highway 20 at Ridge Road, Hells Half Acre. 792 Comment
  UC985660  Alisma plantago-aquatica Malcolm A. Nobs and S. Galen Smith 1949-8-22 1530 Nevada 11 mi n Nevada-Placer County line (on Highway 24, along Cherry creek); Cherry Creek Comment
  CHSC82389  Allium amplectens Lowell Ahart 2002-5-28 9670 Nevada About 25 yards northeast of the intersection of Patterson Valley Road and McCourtney Road, about one mile east of the intersection of Indian Springs Road and McCourtney Road, about 6 miles southwest of Grass Valley. 518 Comment
  CHSC84332  Allium amplectens Lowell Ahart 2003-8-3 10468 Nevada On the north side of Highway 20, near Deadmans Flat, about 3 miles west of the intersection of Highway 20 and Highway 49, about 3 miles west of Grass Valley. 638 Comment
  HSC2925  Allium amplectens L. S. Rose 1967-6-14 67135 Nevada Hills NW of Grass Valley 823 Comment
  JEPS103276  Allium amplectens Lowell Ahart 2002-5-28 9670 Nevada About 25 yards NE of the intersection of Patterson Valley Road and McCourtney Road, about one mile east of the intersection of Indian Springs Road and McCourtney Road, about 6 miles SW of Grass Valley. 518 Comment
  OBI21208  Allium amplectens Lewis S. Rose 1967-6-14 67135 Nevada Hills NW of Grass Valley 823 Comment
  OBI49236  Allium amplectens Lewis S. Rose 1939-6-5 39212 Nevada Grass Valley 716 Comment
  RSA770569  Allium amplectens S. Mashayekhi, M. Biabani 2009-7-11 SM 037 Nevada Sierra Nevada; Northern Sierra Nevada region, below McCourtney Road, 3.1 miles with its junction of Hwy 20 along the road. 647 Comment
  SEINET191586  Allium amplectens Lewis S. Rose 1939-6-5 39212 Nevada Grass Valley, 716 Comment
  SEINET208621  Allium amplectens L. S. Rose 1967-6-14 67135 Nevada Hills NW of Grass Valley 0 Comment
  SJSU7492  Allium amplectens Lewis R. Rose 1967-6-14 67135 Nevada hills NW of Grass Valley 822 Comment
  UC843280  Allium amplectens Lewis S. Rose 1939-6-5 39212 Nevada Grass Valley 716 Comment
  UCR256660  Allium amplectens George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20721 Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  UC1982288  Allium campanulatum Virginia Moran 2007-5-10 Nevada Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road. Collected from the west drainage. Comment
  SEINET7067132  Allium crispum A. G. Vestal 1947-4-29 s.n. Nevada About 1.4 miles west of Grass Valley on Route 20. Coordinate datum: NAD27. UTM Zone 10, 665246mE, 4343745mN. Comment
Read comments
Jul 16 2018
  SEINET7067133  Allium peninsulare A. G. Vestal 1947-4-29 s.n. Nevada About 1.4 miles west of Grass Valley on Route 20. Coordinate datum: NAD27. UTM Zone 10, 665246mE, 4343745mN. Comment
  CAS-BOT-BC132120  Allium sanbornii var. sanbornii Gordon H. True 1971-7-24 6882 Nevada Hells Half Acre just west of Grass Valley on Highway 20 at Ridge Rd. 792 Comment
  CAS-BOT-BC132125  Allium sanbornii var. sanbornii Gordon H. True 1971-7-23 6875 Nevada Wolf Mt. Road ca. 0.5 miles south of American Ranch Hill 701 Comment
  CAS-BOT-BC132126  Allium sanbornii var. sanbornii Gordon H. True 1961-7-14 39 Nevada American Ranch Hill, 6 mi. south west of Grass Valley 701 Comment
  CAS-BOT-BC132127  Allium sanbornii var. sanbornii Gordon H. True 1971-7-23 6875 Nevada Wolf Mt. Road ca. .5 miles south of American Ranch Hill 701 Comment
  CAS-BOT-BC132128  Allium sanbornii var. sanbornii Lillian S. Mott 1962-7-16 263 Nevada Hell's Half Acre, junction of Marysville Highway and Ridge Road 731 Comment
  CAS-BOT-BC132130  Allium sanbornii var. sanbornii Gordon H. True 1971-7-24 6882 Nevada Hells Half Acre just west of Grass Valley on Highway 20 at Ridge Road 792 Comment
  RSA413108  Allium sanbornii var. sanbornii S. S. Denison 1985-7-18 53 Nevada Below McCourtney Road, 3 miles WSW of its jct with hwy 20 west in Grass Valley Comment
  RSA770546  Allium sanbornii var. sanbornii S. Mashayekhi, M. Biabani 2009-7-11 SM 036 Nevada Sierra Nevada; Northern Sierra Nevada region, below McCourtney Road, 3.1 miles with its junction of Hwy 20 along the road. 647 Comment
  SEINET3878789  Allium sanbornii var. sanbornii S. S. Denison 1985-7-18 53 Nevada Below McCourtney Rd. 3.0 mi WSW of its jct with Hwy #20 west in Grass Valley.; 0 Comment
  UCD138621  Allium sanbornii var. sanbornii R. O. Hanes 1995-7-22 279 Nevada Hell's Half Acre, R and R Hwy and Ridge, GV. 792 Comment
  UCD138622  Allium sanbornii var. sanbornii R. O. Hanes 1995-7-22 279 Nevada Hell's Half Acre, R and R Hwy and Ridge, GV. 792 Comment
  UC879967  Allophyllum divaricatum Alice Eastwood Jun 20 1912-Jun 22 1912 500 Nevada Grass Valley Comment
  CAS-BOT-BC45059  Ambrosia psilostachya Gordon H. True 1961-10-5 292 Nevada 5 miles SW of Grass Valley, on McCourtney Rd., at French Ravine 640 Comment
  CHSC117048  Antennaria luzuloides subsp. luzuloides Lowell Ahart; John Dittes 2016-6-6 20949 Modoc About 40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  JEPS83312  Antirrhinum leptaleum David M. Thompson 1983-7-21 379 Nevada Grass Valley , Grass Valley Quad. (7.5', 1949) (along both sides of Hwy 20, just w of Ridge Road intersection) 792 Comment
  UC519222  Antirrhinum vexillocalyculatum subsp. intermedium Katherine Esau 1933-7-16 Nevada Grass Valley Comment
  UCD123489  Antirrhinum vexillocalyculatum subsp. intermedium K. Esau 1933-7-16 s.n. Nevada Grass Valley. Comment
  UCR89178  Apocynum androsaemifolium G. H. True 1961-8-2 113 Nevada Sierra Nevada Mtns., 2.5 mi. SW of Grass Valley 735 Comment
  UC144351  Apocynum cannabinum A. A. Heller 1905-7-14 8109 Nevada near Grass Valley Grass Valley Comment
  UCD95530  Aquilegia formosa C. J. W. 1913-6-15 53 Nevada Grass Valley. Comment
  UCD117491  Arbutus menziesii Ted Niehaus 1959-4-4 30 Nevada Allison Ranch Road at California City limits, 1/4 mile S of Grass Valley. Comment
  A362411  Arctostaphylos viscida A. A. Heller 1905-7-14 8108 Unknown Near Grass Valley Comment
  CDA9563  Arctostaphylos viscida D. G. Kelch 2007-4-2 7 .168 Nevada Hwy 20 roadside; W of Grass Valley. (waypoint 114). Comment
  GH362413  Arctostaphylos viscida W. L. Jepson 1892-4-15 14727 Unknown Rough and Ready Comment
  GH362473  Arctostaphylos viscida A. A. Heller 1905-7-14 8108 Unknown Near Grass Valley Comment
  GH362480  Arctostaphylos viscida L. S. Rose 1939-6-5 39204 Unknown 2 mi. w. of Grass Valley 716 Comment
  GH362481  Arctostaphylos viscida L. S. Rose 1939-6-5 39204 Unknown 2 mi. w. of Grass Valley 716 Comment
  GH362482  Arctostaphylos viscida B. Anderson 1985-5-12 2700 Unknown McCourtney Rd near Indian Springs Rd. Comment
  SD69968  Arctostaphylos viscida Darley F. Howe 1968-5-29 Nevada 1.6 miles south of Grass Valley. 730 Comment
  UCR198229  Arctostaphylos viscida Dean Kelch 2007-4-20 07 .168 Nevada Hwy 20, west of Grass Valley 762 Comment
  CAS-BOT-BC47116  Arctostaphylos viscida subsp. viscida Ella Dales Cantelow 1938-7-2 2261 Nevada 5 mi. w. of Nevada City. Comment
  CAS-BOT-BC47117  Arctostaphylos viscida subsp. viscida Lewis S. Rose 1939-6-5 39204 Nevada 2 mi. w. of Grass Valley. 716 Comment
  CAS-BOT-BC47457  Arctostaphylos viscida subsp. viscida A. A. Heller 1905-7-14 8108 Nevada Near Grass Valley Comment
  CAS-BOT-BC47458  Arctostaphylos viscida subsp. viscida A. A. Heller 1905-7-14 8108 Nevada Near Grass Valley Comment
  POM367489  Arctostaphylos viscida subsp. viscida Glenn A. Gorelick 1966-4-17 s.ln. Nevada In the Sierras, Forest Research Lab, Grass Valley. Comment
  RSA123223  Arctostaphylos viscida subsp. viscida N. H. French 1933-5-9 45 Nevada Grass Valley. 762 Comment
  RSA723080  Arctostaphylos viscida subsp. viscida LeRoy Gross, Valentin Arvizu, Virginia Moran 2007-1-20 2596 Nevada Sierra Nevada foothills. Place called Hells Half Acre. West of Grass Valley, just south of Hwy. 20 toward Rough and Ready, north of a community called The Oaks. Entrance off Adam Road. 777 Comment
  SBBG5516  Arctostaphylos viscida subsp. viscida T. Niehaus 1959-4-3 21 Nevada ca. 1/8 mi NW of Boyce Thompson Plant Research Lab, Grass Valley Comment
  UC144404  Arctostaphylos viscida subsp. viscida A. A. Heller 1905-7-14 8108 Nevada near Grass Valley Comment
  UC565979  Arctostaphylos viscida subsp. viscida H. R. Josephson 1933-7-19 42 Nevada Squirrel Creek Ridge Smartsville Quadrangle 670 Comment
  UC876562  Arctostaphylos viscida subsp. viscida Lewis S. Rose 1939-6-5 39204 Nevada 2 mi w Grass Valley 716 Comment
  CAS-BOT-BC137547  Aristida oligantha Gordon H. True 1961-8-29 199 Nevada American Ranch Hill, 6 miles southwest of Grass Valley. 701 Comment
  JEPS73949  Aristida oligantha Leland S. Smith August 1931 2638 Nevada s Grass Valley; Tahoe National Forest Comment
  CAS-BOT-BC146281  Arrhenatherum elatius var. elatius Catherine Best 1986-6-6 1180 Nevada At the Empire Mine, Grass Valley. Comment
  SEINET258292  Artemisia douglasiana Unknown 1986-9-21 10243 Nevada Nevada County: Eastern edge of Grass Valley, near town of Rough and Ready. 610 Comment
  UC29696  Artemisia douglasiana Miss F. Doom Nevada Grass Valley Comment
  UC1371050  Asclepias cordifolia Theodore F. Niehaus 1965-6-4 541 Nevada about 1 mi s Grass Valley (on old Auburn highway) Comment
  UCD121294  Asclepias eriocarpa Collector unknown 1933-7-16 s.n. Nevada Grass Valley. Comment
  UCD121299  Asclepias eriocarpa K. Esau 1933-7-16 s.n. Nevada Grass Valley. Comment
  UC1371049  Asclepias fascicularis Theodore F. Niehaus 1965-7-24 604 Nevada 1 mi s Grass Valley (along old Auburn highway) Comment
  UC1371033  Asclepias speciosa Theodore F. Niehaus 1965-6-4 540 Nevada about 1 mi s Grass Valley (on Old Auburn Road) Comment
  CAS-BOT-BC99213  Aster Gordon H. True 1961-9-27 277 Nevada 4 1/2 miles south west of Grass Valley, on McCourtney Rd., near French Ravine 670 Comment
  CDA21233  Avena fatua G. F. Hrusa 2007-4-19 16953 Nevada Sierra Nevada Foothills; 3-4 mi. W of Grass Valley along Hwy 20. 749 Comment
  UCD56318  Avena fatua Ted Niehaus 1959-5-16 108 Nevada Grass Valley. 100 feet bellow Niehaus residence. Comment
  POM213046  Baccharis pilularis C. B. Wolf 1934-10-3 6147 Nevada 4 miles south of Grass Valley on the Auburn Road. 640 Comment
  CAS-BOT-BC106566  Balsamorhiza deltoidea Gordon H. True 1962-4-17 401 Nevada American Ranch Hill, about 5.5 miles south-west of Grass Valley, on McCourtney Rd. 701 Comment
  CHSC59305  Barbarea orthoceras Thomas J. Van Wagner 1992-4-15 19 Nevada Between and at junction of Ridge Rd. and Rough and Ready Highway and adjacent to the Grass Valley Irrigation Ditch, ca 4 km from central Grasss Valley. 780 Comment
  JEPS83461  Berberis aquifolium var. repens Gordon H. True 1974-4-18 7664 Nevada ca 1 mi w Grass Valley (Hell's Half Acre, on Hwy 20 at Ridge Rd) 792 Comment
  SBBG8879  Berberis aquifolium var. repens T. Niehaus 1959-4-1 10 Nevada ridge, SE 1/4 of T16N R8E S16 Comment
  CDA21257  Brachypodium distachyon G. F. Hrusa 2007-4-19 16977 Nevada Sierra Nevada Foothills; South Yuba River State Park. 175 Comment
  JEPS73642  Brodiaea californica var. californica L. R. Heckard 1973-6-9 3428 Nevada ca. 5 mi. s.w. Grass Valley (along McCourtney rd., ca. 0.2 mi. n. of Wolf Mt. rd., American Ranch Hill); American Ranch Hill 701 Comment
  UC1280472  Brodiaea elegans subsp. elegans Theodore F. Niehaus 1959-6-14 128 Nevada w end Collins Lane (open field with sw-facing slope); Grass Valley Comment
  UC144625  Brodiaea elegans subsp. elegans A. A. Heller 1905-7-14 8098 Nevada near Grass Valley Comment
  UCR256649  Brodiaea elegans subsp. elegans George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20718 Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  UCD77134  Brodiaea minor Robert E. Preston 2002-6-14 1814 Nevada Along Hwy 20, 1 mi w of its jct with Hwy 49, in Grass Valley 716 Comment
  UCD77146  Brodiaea minor Robert E. Preston 2002-6-14 1816 Nevada Grass Valley, along McCourtney Rd, ca. 0.1 mi n of its jct with Ponderosa Way 680 Comment
  GH254082  Brodiaea sierrae A. A. Heller 1905-7-14 8097 Unknown Near Grass Valley Comment
Read comments
Apr 8 2019
  JEPS52318  Brodiaea sierrae Wayne Roderick 1967-7-8 Nevada s-facing slope about 4 mi w Grass Valley 304 Comment
  JEPS5687  Brodiaea sierrae W. I. Follett 1936-6-27 Nevada 2.1 mi s Grass Valley 701 Comment
  UC143055  Brodiaea sierrae A. A. Heller 1905-7-14 8097 Nevada near Grass Valley Comment
  UCD78200  Brodiaea sierrae R. E. Preston 2002-6-14 1815 Nevada Along Hwy 20, 1 mi w of its jct with Hwy 49, in Grass Valley. 716 Comment
  CAS-BOT-BC149283  Bromus carinatus var. carinatus Gordon H. True; John Thomas Howell 1971-7-1 6854 Nevada Sierra Nevada. Newtown Road ca. 2 miles southwest of Indian Flat. 701 Comment
  CAS-BOT-BC148693  Bromus carinatus var. marginatus Gordon H. True 1965-5-20 1966 Nevada Sierra Nevada. Forest Springs Farm Center about 4 miles south of Grass Valley on Auburn Highway. 640 Comment
  UCD59158  Bromus carinatus var. marginatus E. W. Taylor 1933-6-1 s.n. Nevada Grass Valley Area. Comment
  CAS-BOT-BC156007  Bromus diandrus Gordon H. True 1962-5-22 635 Nevada Sierra Nevada. American Ranch Hill, about 5.5 miles southwest of Grass Valley. 670 Comment
  CDA21230  Bromus diandrus G. F. Hrusa 2007-4-19 16950 Nevada Sierra Nevada Foothills; Serpentine outcrop 3-4 mi. W of Grass Valley along Hwy 20. Chaparral dom. by Arctostaphylos viscida. Disturbed roadside, annual. 749 Comment
  SEINET13276748 Image available Bromus diandrus George K. Helmkamp 2014-1 22747 Nevada Northern Sierra Nevada Mountains Foothills: along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley (Grass Valley 7.5' Q.) 728 Comment
  UCR257148  Bromus diandrus George K. Helmkamp 2014-4-17 22747 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley 729 Comment
  CDA21241  Bromus hordeaceus G. F. Hrusa, D. Kelch 2007-4-19 16961 Nevada Sierra Nevada Foothills; 3-4 mi. W of Grass Valley along Hwy 20. 749 Comment
  SEINET13203114 Image available Bromus hordeaceus George K. Helmkamp 2014-1 22746 Nevada Northern Sierra Nevada Mountains Foothills: along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley (Grass Valley 7.5' Q.) 728 Comment
  UCR257147  Bromus hordeaceus George K. Helmkamp 2014-4-17 22746 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley 729 Comment
  SBBG115915  Bromus japonicus G. H. True 1965-5-20 1965 Nevada Forest Springs Farm Center, ca. 4 mi S of Grass Valley on Auburn Hwy 640 Comment
  CAS-BOT-BC162420  Bromus laevipes Gordon H. True 1962-6-12 662 Nevada Sierra Nevada. American Ranch Hill, about 5.5 miles southwest of Grass Valley. 670 Comment
  CAS-BOT-BC162421  Bromus laevipes Gordon H. True; John Thomas Howell 1971-7-1 6853 Nevada Sierra Nevada. Newtown Road ca. 2 miles southwest of Indian Flat. 701 Comment
  UCD58937  Bromus laevipes Gordon H. True; John Thomas Howell 1971-6-30 6725 Nevada Highway 49. 2 miles west of Indian Flat on Rush Creek. 609 Comment
  CAS-BOT-BC162319  Bromus madritensis Gordon H. True 1962-5-11 569 Nevada Sierra Nevada. About 4 miles southwest of Grass Valley. On McCourtney Road. 701 Comment
  A356773  Calocedrus decurrens A. Eastwood 1918-4-8 Unknown Grass Valley Comment
  CAS-BOT-BC85751  Calocedrus decurrens Alice Eastwood 1918-4-8 s.n. Nevada Grass Valley Comment
  UCD139459  Calochortus albus W. W. Robbins 1926-4-17 512 Nevada Grass Valley. Comment
  UC1982287  Calochortus leichtlinii Virginia Moran 2007-6-5 Nevada Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road. Comment
  UCD139545  Calochortus minimus C. J. W. 1913-6-1 201 Nevada Grass Valley. Comment
  CDA9573  Calochortus monophyllus D. G. Kelch 2007-4-2 7 .164 Nevada Hwy 20 roadside; W of Grass Valley. (waypoint 114). Comment
  CHSC101215  Calochortus monophyllus D. G. Kelch 2007-4-20 07 .164 Nevada Highway 20 roadside; W of Grass Valley. (Waypoint 114). 762 Comment
  CHSC3652  Calochortus monophyllus Robert D. Briggs 1966-3-16 R- 79 Nevada Rough and Ready. Comment
  CHSC59364  Calochortus monophyllus Thomas J. Van Wagner 1992-3-28 2 Nevada Ca. 50 ft. upstream from Long Valley Rd. along north bank Clear Creek. Ca. 5 km wsw Grass Valley. 485 Comment
  CHSC97882  Calochortus monophyllus D. G. Kelch 2007-4-20 07 .164 Nevada Hwy 20 roadside; W of Grass Valley. (waypoint 114). 762 Comment
  UC727086  Calochortus monophyllus A. A. Heller 1919-5-25 13204 Nevada Grass Valley Comment
  UCD139562  Calochortus monophyllus W. W. Robbins 1926-4-17 522 Nevada Grass Valley. Comment
  UCD139563  Calochortus monophyllus W. W. Robbins 1926-4-17 516 Nevada Grass Valley. Comment
  UCR257154  Calochortus monophyllus George K. Helmkamp 2014-4-17 22739 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley 729 Comment
  UCD111113  Calochortus uniflorus Christopher Mallek 2008-1 SC2- 14 Nevada Deadman's Flat. 706 Comment
  CAS-BOT-BC270641  Calycadenia multiglandulosa A. A. Heller 1905-7-14 8120 Nevada Near Grass Valley Comment
  CAS-BOT-BC270642  Calycadenia multiglandulosa A. A. Heller 1905-7-14 8120 Nevada Near Grass Valley Comment
  CAS-BOT-BC270643  Calycadenia multiglandulosa A. A. Heller 1905-7-14 8120 Nevada Near Grass Valley Comment
  UC144417  Calycadenia multiglandulosa A. A. Heller 1905-7-14 8120 Nevada near Grass Valley Comment
  UC2044598  Calycadenia multiglandulosa George K. Helmkamp with E. A. Helmkamp 2011-6-2 17428 Nevada Northern Sierra Nevada Mountains Foothills Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley. (Grass Valley 7.5' Q.) Comment
  UC2044622  Calycadenia multiglandulosa George K. Helmkamp with E. A. Helmkamp 2011-6-2 17426 Nevada Northern Sierra Nevada Mountains Foothills Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley. (Grass Valley 7.5' Q.) Comment
  UCD63359  Calycadenia multiglandulosa Daniel Sanchez-Mata 2006-6-20 s.n. Nevada Nevada City. Newton Road. 690 Comment
  UCR200668  Calycadenia multiglandulosa Daniel Sanchez-Mata 2006-6-20 s.n. Nevada Sierra Nevada Foothills, Nevada City, Newton Road 690 Comment
  CAS-BOT-BC526866  Calycadenia oppositifolia George K. Helmkamp; Elizabeth Helmkamp 2013-5-30 20722 Nevada Northern Sierra Nevada Mountains Foothills: along Hwy CA-20, 3.5 mi W of CA-49 in Grass Valley 623 Comment
  SD240844  Calycadenia oppositifolia George K. Helmkamp, E. A. Helmkamp 2011-6-2 17426 Nevada Northern Sierra Nevada Mountains Foothills: Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley. 726 Comment
  SEINET4178617 Image available Calycadenia oppositifolia George K. Helmkamp, E. A. Helmkamp 2011-6-2 17428 Nevada Northern Sierra Nevada Mountains Foothills: Along CA-20, 3.3 miles west of it's junction with CA-49 in Grass Valley. 626 Comment
  UCR242310  Calycadenia oppositifolia George K. Helmkamp, E. A. Helmkamp 2011-6-2 17428 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley 627 Comment
  UCR242554  Calycadenia oppositifolia George K. Helmkamp, E. A. Helmkamp 2011-6-2 17426 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  UCR256651  Calycadenia oppositifolia George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20722 Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  UC1795012  Calycadenia truncata R. K. Brummitt 1997-6-11 19704 Nevada 5 km W of Grass Valley towards Rough and Ready 550 Comment
  CAS-BOT-BC275402  Calycadenia truncata var. truncata Gordon H. True; J. T. Howell 1967-6-14 3616 Nevada Just W of Grass Valley on Highway 20 at Ridge Road, Hells Half Acre 792 Comment
  RSA10983  Calycanthus occidentalis C. B. Wolf 1927-11-6 1452 Nevada 1/2 mile from Rough and Ready; Sierra Nevada foothills. Comment
  UC1126243  Calycanthus occidentalis H. R. Josephson 1933-7-19 41 Nevada Clear Creek; Smartsville Quad. 518 Comment
  SD149169  Calystegia Gordon H. True, John Thomas Howell 1973-5-11 7467 Nevada American Ranch Hill, 4.0 miles southwest of Grass Valley on McCourtney Road. 700 Comment
Read comments
Feb 22 2012
  RSA0104572  Calystegia occidentalis subsp. occidentalis Sandra M. Namoff, Lauren Fety 2011-7-7 58 Nevada Dead Man's Flat Area of Critical Ecological Concern, c. 3 air miles WSW of Grass Valley, E of I-80, W of Hwy 49, N of SR 20. 707 Comment
  RSA710252  Calystegia occidentalis subsp. occidentalis R. K. Brummitt 1997-6-2 19637 Nevada 5 km SW of Grass Valley on McCourtney Road. 600 Comment
  UC1794942  Calystegia occidentalis subsp. occidentalis R. K. Brummitt 1997-6-2 19637 Nevada 5 km SW of Grass Valley on McCourtney Road 600 Comment
  UC1965412  Calystegia occidentalis subsp. occidentalis R. K. Brummitt, S. M. Namoff, K. Van Zuuk & B. Ertter 2012-6-13 22054 Nevada 3.6 miles NW of Grass Valley, Dead Man's Flat Area, 2.6 miles down Squirrel Creek Road on road to Ponderosa Way Comment
  UC726685  Calystegia occidentalis subsp. occidentalis A. A. Heller 1919-5-25 13202 Nevada Grass Valley Comment
  CAS-BOT-BC224331  Calystegia stebbinsii Gordon H. True; John Thomas Howell 1971-5-24 6552 Nevada American Ranch Hill, 5 miles southwest of Grass Valley on McCourtney Road 701 Comment
  CAS-BOT-BC224332  Calystegia stebbinsii Gordon H. True; John Thomas Howell 1971-5-24 6552 Nevada American Ranch Hill, 5 miles southwest of Grass Valley on McCourtney Road 701 Comment
  CAS-BOT-BC224333  Calystegia stebbinsii Gordon H. True; John Thomas Howell 1973-5-11 7467 Nevada American Ranch Hill 4 miles southwest of Grass Valley on McCourtney Road 701 Comment
  CHSC100961  Calystegia stebbinsii Al Franklin; Karen Callahan 2008-5-27 8027 Nevada 2 1/2 miles west of Grass Valley. 722 Comment
  CHSC79287  Calystegia stebbinsii G. D. Barbe 1987-5-1 4271 Nevada Near entrance to county dump site; southwest of Grass Valley on Wolf Mountain Road. Comment
  JEPS111395  Calystegia stebbinsii Al Franklin and Karen Callahan 2008-5-27 08026 Nevada 2.5 miles west of Grass Valley Comment
  JEPS43785  Calystegia stebbinsii Lauramay T. Dempster and G. L. Stebbins 1966-6-29 4286 Nevada about 4 mi sw Grass Valley (at entrance to Wolf Mountain Lookout Road); sw of Grass Valley, entrance to Wolf Mountain Lookout road Comment
  RSA0104568  Calystegia stebbinsii Sandra M. Namoff, Lauren Fety 2011-7-7 57 Nevada Dead Man's Flat Area of Critical Ecological Concern, c. 3 air miles WSW of Grass Valley, E of I-80, W of Hwy 49, N of SR 20. 701 Comment
  RSA550548  Calystegia stebbinsii G. H. True, J. T. Howell 1973-5-11 7467 Nevada American Ranch Hill, 4 miles southwest of Grass Valley on McCourtney Rd. 701 Comment
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Feb 22 2012
  RSA595080  Calystegia stebbinsii G. H. True, J. T. Howell 1971-5-24 6552 Nevada American Ranch Hill, 5 miles SW of Grass Valley on McCourtney Road 701 Comment
  SBBG103610  Calystegia stebbinsii G. H. True, J. T. Howell 1973-5-11 7467 Nevada American Ranch Hill 4 mi SW of Grass Valley on McCourtney Rd 701 Comment
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Feb 22 2012
  UC1965408  Calystegia stebbinsii R. K. Brummitt, S. M. Namoff, K. Van Zuuk & B. Ertter 2012-6-13 22055 Nevada 3.6 miles NW of Grass Valley, 2.6 miles down Squirrel Creek Road on road to Ponderosa Way towards Dead Man's Flat Comment
  UCR74653  Calystegia stebbinsii G. H. True, J. T. Howell 1973-5-11 7467 Nevada Northern Sierra Nevada Mtns. Foothills, American Ranch Hill, 4 mi. SW of Grass Valley on McCourtney Road 701 Comment
  UCD14886  Capsella bursa-pastoris Chris Chan 1991-4-14 3 Nevada California, Nevada Co.; along Alta Street inside the town of Grass Valley; 731 Comment
  CHSC59306  Cardamine oligosperma Thomas J. Van Wagner 1992-4-15 20 Nevada Between and at junction of Ridge Rd. and Rough and Ready Highway and adjacent to the Grass Valley Irrigation Ditch, ca. 4 km from central Grass Valley. 780 Comment
  CDA21255  Carduus pycnocephalus G. F. Hrusa, D. Kelch 2007-4-19 16975 Nevada Sierra Nevada; South Yuba River State Park. N side of Yuba River. 175 Comment
  SEINET3840805  Carex brainerdii Unknown 2007-4-20 7 .167 Nevada West of Grass Valley, Highway 20 roadside (Waypoint 114) 762 Comment
  CAS-BOT-BC18908  Carex densa Gordon H. True 1968-4-18 4181 Nevada Rough and Ready Road 2 miles north of Rough & Ready. 1158 Comment
  JEPS100679  Carex diandra Dean W. Taylor 1995-8-5 15373 B Nevada Scadden Flat near Grass Valley (Hwy 20 ca. 2 miles W of Hwy 49) 731 Comment
  CAS-BOT-BC20104  Carex feta Alice Eastwood; John Thomas Howell 1937-5-8 4347 Nevada 12 miles from Grass Valley on road to Auburn. Comment
  CHSC100953  Carex gracilior Virginia Moran 2007-5-10 Nevada Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road. and 0.6 mile northeast of Deer Creek. 660 Comment
  UCR80889  Carex multicaulis G. Fred Hrusa 1992-4-3 10505 Nevada Hills above Grass Valley. 785 Comment
  UC1982284  Carex multicostata Virginia Moran 2007-5-10 Nevada Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road. Collected from the west drainage. Drains west across Avian Way Comment
  UC1982289  Carex nebrascensis Virginia Moran 2007-5-10 Nevada Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road. Collected from the central or east drainage. Comment
  UC1982290  Carex pellita Virginia Moran 2007-5-10 Nevada Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road. Collected from the west drainage. Comment
  CAS-BOT-BC118479  Carex praegracilis Alice Eastwood; John Thomas Howell 1937-5-8 4346 Nevada 12 miles from Grass Valley on road to Auburn, Comment
  UC834490  Carex praegracilis Alice Eastwood, John Thomas Howell 1937-5-8 4346 Nevada 12 mi from Grass Valley (on road to Auburn) Comment
  CAS-BOT-BC115969  Carex subfusca Alice Eastwood; John Thomas Howell 1937-5-8 4348 Nevada 12 miles from Grass Valley on road to Auburn. Comment
  CAS-BOT-BC20845  Carex xerophila Gordon H. True; John Thomas Howell 1973-5-11 7465 Nevada American Ranch Hill 4 miles southwest of Grass Valley on McCourtney Road. 701 Comment
  CAS-BOT-BC494141  Carex xerophila Peter F. Zika; L. P. Janeway 2012-5-16 25872 Nevada Osceola Ridge, South Ponderosa Way, N of Rte 20, 4.8 km W of Grass Valley 735 Comment
  CDA9562  Carex xerophila D. G. Kelch, G. F. Hrusa 2007-4-2 7 .167 Nevada Hwy 20 roadside; W of Grass Valley. (waypoint 114). Comment
  CHSC100810  Carex xerophila Karen I. Callahan 2008-4-19 8 Nevada Northern Sierra Nevada Foothills. Located west of Grass Valley. Along South Ponderosa Road, about 4 miles south of Rough and Ready Highway. 670 Comment
  CHSC105481  Carex xerophila L. P. Janeway; Karen Callahan,Cyndi Brinkhurst, B. Castro,Bill Wi 2010-5-31 9981 Nevada Northern High Sierra Nevada. Osceola Ridge about 0.6 km north of Hwy 20, along the Pipeline 'Road' about 180 m east of South Ponderosa Way; about 4.8 km west of Grass Valley. 720 Comment
  CHSC105489  Carex xerophila L. P. Janeway; C. Brinkhurst, B. Castro, K Callahan, B. Wilson 2010-5-31 9985 Nevada Northern High Sierra Nevada. Below the Nevada County Animal Shelter, east slope of American Ranch Hill, about 1710 m east of McCourtney Road, about 5.6 km southwest of Grass Valley. 685 Comment
  CHSC115769  Carex xerophila P. F. Zika; L. P. Janeway 2012-5-16 25872 Nevada Osceola Ridge, South Ponderosa Way, N of Route 20, 4.8 km W of Grass Valley, northern Sierra Nevada Foothills. 735 Comment
  CHSC97911  Carex xerophila D. G. Kelch 2007-4-20 07 .167 Nevada Hwy 20 roadside; W of Grass Valley. (waypoint 114). 762 Comment
  HSC104267  Carex xerophila P. F. Zika, L. P. Janeway 2012-5-16 25872 Nevada Northern Sierra Nevada Foothills; Osceola Ridge, South Ponderosa Way, north of Route 20, 4.8 km W of Grass Valley. 735 Comment
  JEPS116664  Carex xerophila Karen I. Callahan 2008-4-19 8 Nevada Along South Ponderosa Road, avout 4 miles south of Rough & Ready Highway. Located west of Grass Valley. Grass Valley; Northern Sierra Nevada Foothills 670 Comment
  JEPS122425  Carex xerophila Peter F. Zika with L. P. Janeway 2012-5-16 25872 Nevada Osceola Ridge, South Ponderosa Way, N of Route 20, 4.8 km W of Grass Valley. Northern Sierra Nevada Foothill (n SNF) Comment
  RSA0060493  Carex xerophila Peter F. Zika, Lawrence Janeway 2012-5-16 25872 Nevada Osceola Ridge, South Ponderosa Way, N of Route 20, 4.8 km W of Grass Valley. 735 Comment
  SD257105  Carex xerophila P. F. Zika, L. P. Janeway 2012-5-16 25872 Nevada Osceola Ridge, South Ponderosa Way, N of Route 20, 4.8 km W of Grass Valley. 735 Comment
  SEINET10367323  Carex xerophila P. F. Zika, L. P. Janeway 2012-5-16 25872 Nevada Northern Sierra Nevada Highlands, Osceola Ridge, S. Ponderosa Way, N. of Route 20, 4.8 km W of Grass Valley 735 Comment
  SEINET10806564  Carex xerophila Peter F. Zika, Lawrence P. Janeway 2012-5-16 Zika 25872 Nevada Osceola Ridge, Soutn Ponderosa Way, N of Route 20, 4.8 km W of Grass Valley. Northern Sierra Nevada foothills.(n SNF). 735 Comment
  SEINET12650010 Image available Carex xerophila L. P. Janeway, Karen Callahan, Cyndi Brinkhurst, B. Castro, and Bill Wilson 2010-1 9981 Nevada 720 Comment
  SEINET12650012 Image available Carex xerophila L. P. Janeway, Cyndi Brinkhurst, B. Castro, Karen Callahan, and Bill Wilson 2010-1 9985 Nevada 685 Comment
  UCD168845  Carex xerophila Peter. F. Zika; L. P. Janeway 2012-5-16 25872 Nevada Northern Sierra Nevada Foothills (n SNF). Osceola Ridge, South Ponderosa Way, N of Route 20, 4.8 km W of Grass Valley. 735 Comment
  UCR198230  Carex xerophila Dean Kelch 2007-4-20 07 .167 Nevada Hwy 20, west of Grass Valley 762 Comment
  UCR263356  Carex xerophila Peter F. Zika, L. P. Janeway 2012-5-16 25872 Nevada Northern Sierra Nevada Foothills, Osceola Ridge, South Ponderosa Way, north of Route 20, 4.8 km west of Grass Valley 735 Comment
  JEPS67151  Castilleja Gordon H. True and John Thomas Howell 1971-5-24 6551 Nevada 5 mi sw Grass Valley (American Hill Ranch, on McCourtney Road) 701 Comment
  CAS-BOT-BC249081  Castilleja affinis Gordon H. True; John Thomas Howell 1971-5-24 6551 Nevada American Ranch Hill 5mi. southwest of Grass Valley on McCourtney Road 701 Comment
  UCD122144  Castilleja affinis C. J. W. 1913-6-1 83 Nevada Grass Valley. Comment
  JEPS80690  Castilleja affinis subsp. affinis L. R. Heckard and T. I. Chuang 1981-6-11 5541 Nevada ca 3 mi w Nevada City (2 mi s of Highway 49, on Newtown road) Comment
  JEPS81859  Castilleja affinis subsp. affinis L. R. Heckard with J. C. Hickman and R. C. Bacigalupi 1982-5-11 5854 Nevada ca 3 mi w Nevada City (2 mi sw of Highway 49, on Newtown road) Comment
  JEPS86433  Castilleja affinis subsp. affinis Gordon H. True and John Thomas Howell 1973-5-18 7482 Nevada 4 mi sw Grass Valley (on McCourtney Road); American Ranch Hill 701 Comment
  JEPS86434  Castilleja affinis subsp. affinis Gordon H. True and John Thomas Howell 1973-5-18 7483 Nevada 4 mi sw Grass Valley (on McCourtney Road); American Ranch Hill 701 Comment
  JEPS86435  Castilleja affinis subsp. affinis Gordon H. True and John Thomas Howell 1973-5-11 7468 Nevada 4 mi sw Grass Valley (on McCourtney Road); American Ranch Hill 701 Comment
  JEPS86448  Castilleja affinis subsp. affinis L. R. Heckard 1973-6-9 3427 Nevada 5 mi sw Grass Valley (ca 0.2 mi n of Wolf Mtn Rd, along McCourtney Rd); American Ranch Hill 701 Comment
  CHSC82387  Castilleja lacera Lowell Ahart 2002-5-28 9671 Nevada On the east side of Patterson Valley Road, about 25 yards north of the intersection of Patterson Valley Road and McCourtney Road, about one mile east of the intersection of Indian Springs Road and McCourtney Road, about 6 miles southwest of Grass Valley. 518 Comment
  JEPS103471  Castilleja lacera Lowell Ahart 2002-5-28 9671 Nevada On the E side of Patterson Valley Road, ca 25 yards N of the intersection of Patterson Valley Road and McCourtney Road, ca one mile E of the intersection of Indian Springs Road and McCourtney Road, ca 6 miles SW of Grass Valley. 518 Comment
  JEPS55237  Castilleja lacera Lewis S. Rose 1967-6-13 67132 Nevada 5.5 mi sw Grass Valley (McCourtney Road) 762 Comment
  JEPS81858  Castilleja lacera L. R. Heckard with J. C. Hickman and R. C. Bacigalupi 1982-5-12 5856 Nevada ca 2 mi sw Grass Valley (Mill Street Junction (across from Banner Grange on McCourtney road) Comment
  JEPS81860  Castilleja lacera L. R. Heckard with J. C. Hickman and R. C. Bacigalupi 1982-5-11 5853 Nevada ca 3 mi w Nevada City (along Newton road, 2 mi sw of Highway 49) Comment
  SD241184  Castilleja lacera George K. Helmkamp, E. A. Helmkamp 2011-6-2 17427 Nevada Northern Sierra Nevada Mountains Foothills: Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley (Grass Valley 7.5'Q) 626 Comment
  UCD110823  Castilleja lacera Christopher Mallek 2008-1 s.n. Nevada Deadman's Flat. 706 Comment
  UCR242556  Castilleja lacera George K. Helmkamp, E. A. Helmkamp 2011-6-2 17424 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  UCR242580  Castilleja lacera George K. Helmkamp, E. A. Helmkamp 2011-6-2 17427 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley 627 Comment
  SEINET7067131  Castilleja rubicundula A. G. Vestal 1947-4-29 s.n. Nevada About 1.4 miles west of Grass Valley on Route 20. Coordinate datum: NAD27. Comment
  CHSC59353  Castilleja subinclusa Thomas J. Van Wagner 1992-3-30 7 Nevada Along n side Newtown Rd., 3 km s of State Highway 49, 6.5 km w of Nevada City. 665 Comment
  GH349051  Ceanothus cuneatus L. S. Rose 1939-6-6 39206 Unknown 2 mi. w. of Grass Valley 716 Comment
  CAS-BOT-BC83810  Ceanothus cuneatus var. cuneatus D. O. Burge 2009-4-17 1084 b Nevada Community of Hills Flat, near the City of Grass Valley 800 Comment
  SEINET10874801  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2009-4-17 Burge 1084 c Nevada Community of Hills Flat, near the City of Grass Valley, south slope of low hill bounded on the south-east by SR 20/49, and on the north-west by East Main Street, accessed from Berryhill Drive, 1.0 km 54 deg. (True) ENE of Grass Valley. 800 Comment
  GH349486  Ceanothus integerrimus L. S. Rose 1939-6-5 39207 Unknown Grass Valley 716 Comment
  GH349487  Ceanothus integerrimus L. S. Rose 1939-6-5 39207 Unknown Grass Valley 716 Comment
  GH349601  Ceanothus integerrimus L. S. Rose 1939-6-5 39207 Unknown Grass Valley 716 Comment
  UCD111996  Ceanothus integerrimus W. W. Robbins 1926-4-17 536 Nevada Grass Valley. Comment
  GH349663  Ceanothus integerrimus var. californicus B. Anderson 1985-5-12 2717 Unknown Old Auburn Rd, 0.5 mi S of McCourtney Rd. Comment
  CAS-BOT-BC51152  Ceanothus lemmonii H. M. Hall 1916-6-10 10181 Nevada Near Rough and Ready, Western Nevada Co. 609 Comment
  CAS-BOT-BC51741  Ceanothus lemmonii Lester Rowntree 1938-6-13 s.n. Nevada Grass Valley Comment
  CAS-BOT-BC51743  Ceanothus lemmonii David D. Keck 1933-5-31 2424 Nevada Just South of city limits of Grass Valley Comment
  CAS-BOT-BC51744  Ceanothus lemmonii David D. Keck 1933-5-31 2424 Nevada Just South of city limits of Grass Valley Comment
  CAS-BOT-BC51745  Ceanothus lemmonii H. E. McMinn 1926-5-29 1707 Nevada left of Auburn --> Grass Valley highway - 5.5 miles from Grass Valley Comment
  CDA9592  Ceanothus lemmonii D. G. Kelch 2007-4-2 7 .166 Nevada Hwy 20 roadside; W of Grass Valley. (waypoint 114). Comment
  POM215707  Ceanothus lemmonii D. D. Keck 1933-5-31 2424 Nevada Just S of City limits of Grass Valley Comment
  POM299323  Ceanothus lemmonii Lester Rowntree 1934-4-18 s.n. Nevada Road to Grass Valley Comment
  RSA723081  Ceanothus lemmonii LeRoy Gross, Valentin Arvizu, Virginia Moran 2007-1-20 2595 Nevada Sierra Nevada foothills. Place called Hells Half Acre. West of Grass Valley, just south of Hwy. 20 toward Rough and Ready, north of a community called The Oaks. Entrance off Adam Road. 777 Comment
  SACT002946  Ceanothus lemmonii John Willoughby 1975-6-2 Nevada Collected 18 miles north of Auburn on Highway 49. Foothill woodland-yellow pine forest. Comment
  SBBG26947  Ceanothus lemmonii L. Rowntree 1934-4-18 Nevada rd to Grass Valley Comment
  SEINET3840804  Ceanothus lemmonii Unknown 2007-4-20 7 .166 Nevada West of Grass Valley, Highway 20 roadside (Waypoint 114) 762 Comment
  UC1070787  Ceanothus lemmonii H. R. Josephson 1933-7-19 40 Nevada Clear Creek Mountain Smartsville quad. 640 Comment
  UC1070799  Ceanothus lemmonii J. E. Sowder, R. W. Lundh 1933-4-21 53 Nevada 1/4 mi n Grass Valley; Smartsville quad. 792 Comment
  UCD112187  Ceanothus lemmonii W. W. Robbins 1926-4-17 521 Nevada Grass Valley. Comment
  UCD112188  Ceanothus lemmonii W. W. Robbins 1926-4-17 525 Nevada Grass Valley. Comment
  CAS-BOT-BC51166  Ceanothus leucodermis David D. Keck 1933-5-31 2424 Nevada Just South of city limits of Grass Valley Comment
  GH342980  Ceanothus prostratus J. M. Bigelow 1853-1-1 Unknown Grass Valley Comment
  POM145273  Ceanothus prostratus Simonds 1928-05 s.n. Placer Above Grass Valley Comment
  UCD112658  Ceanothus prostratus Ted Niehaus 1959-4-3 20 Nevada ca. 1/8 mile north of Boyce Thompson Research Institute lab buildings, Grass Valley. Comment
  CHSC80800  Centaurea stoebe subsp. micranthos Lowell Ahart; Vernon H. Oswald 2001-7-11 8887 Plumas On the south side of Highway 89, west of the spillway on the dam at Lake Almanor. 1374 Comment
Read comments
Aug 21 2017
  UC1191679  Centaurium muehlenbergii Malcolm A. Nobs and S. Galen Smith 1949-8-22 1528 Nevada 11 mi n Nevada-Placer County line (along Cherry Creek and Highway 24); Cherry Creek Comment
  UCD121497  Centaurium tenuiflorum S. J. Cocking 1935-7-3 s.n. Nevada Grass Valley. Comment
  CDA26892  Cercis occidentalis D. G. Kelch 2007-4-2 7 .165 Nevada Hwy 20 roadside; W of Grass Valley. (waypoint 114). Comment
  CHSC97950  Cercis occidentalis D. G. Kelch 2007-4-20 07 .165 Nevada Hwy 20 roadside; W of Grass Valley. 762 Comment
  JEPS64774  Cercis occidentalis Willis L. Jepson 1892-4-15 13578 Nevada Randolph Flat Comment
  SEINET3840827  Cercis occidentalis Unknown 2007-4-20 7 .165 Nevada West of Grass Valley, Highway 20 roadside 762 Comment
  A345558  Chamaebatia australis A. A. Heller 1919-5-24 13212 Unknown Near Grass Valley Comment
  CAS-BOT-BC141711  Chamaebatia foliolosa A. A. Heller 1919-5-24 13212 Nevada Near Grass Valley Comment
  CAS-BOT-BC141712  Chamaebatia foliolosa A. A. Heller 1919-5-24 13212 Nevada Near Grass Valley Comment
  CAS-BOT-BC141713  Chamaebatia foliolosa Gordon H. True 1968-4-18 4178 Nevada Hells Half Acre just west of Grass Valley on Hwy. 20 at Ridge Rd. 792 Comment
  GH345593  Chamaebatia foliolosa A. A. Heller 1919-5-24 13212 Unknown Near Grass Valley Comment
  HSC18583  Chamaebatia foliolosa L. S. Rose 1967-6-14 67133 Nevada Grass Valley, Condon Park 732 Comment
  OBI10199  Chamaebatia foliolosa Lewis S. Rose 1967-6-14 67133 Nevada Grass Valley, Condon Park 732 Comment
  RSA182456  Chamaebatia foliolosa R. Kral 1964-06 5 Nevada above Grass Valley Comment
  RSA189447  Chamaebatia foliolosa L. S. Rose 1967-6-14 67133 Placer Grass Valley, Condon Park. 732 Comment
  SBBG32363  Chamaebatia foliolosa L. S. Rose 1967-6-14 Nevada Grass Valley, Condon Park 731 Comment
  UCD112938  Chamaebatia foliolosa E. McPherson 1975-11-1 3 Nevada Grass Valley. 609 Comment
  UCD112941  Chamaebatia foliolosa W. W. Robbins 1926-4-17 519 Nevada Grass Valley. Comment
  UCD112943  Chamaebatia foliolosa Lewis S. Rose 1967-6-14 67133 Nevada Grass Valley, Condon Park. 731 Comment
  UCD138402  Chlorogalum pomeridianum K. Esau 1933-7-16 s.n. Nevada Grass Valley. Comment
  CAS-BOT-BC252843  Chorizanthe polygonoides var. polygonoides James L. Reveal 1988-6-3 7008 Nevada Along California Highway 20 in Grass Valley between Sunset View and Alta Hill, 0.2 mile west of Ridge Road and 0.3 mile east of Mills Road 822 Comment
  CHSC32002  Chorizanthe polygonoides var. polygonoides L. Ahart 1976-5-6 1098 Nevada On dry bare soil along edge of rd, ca. 1 mi s of the McCourtney Dump. 762 Comment
  UC725321  Chorizanthe polygonoides var. polygonoides A. A. Heller 1919-5-25 13199 Nevada Grass Valley Comment
  CAS-BOT-BC279819  Chrysothamnus Lillian S. Mott 1985-10-1 858 Nevada Empire Mine State Park. Grass Valley 731 Comment
  SFV2475  Clarkia arcuata S. R. Snow 1961-5-21 918 Nevada Sierra Nevada Grass Valley. North-facing ridge along State Highway 20, 1.5 miles west of junction of CA-Highway 49. 715 Comment
  CHSC100956  Clarkia biloba subsp. brandegeeae Virginia Moran 2007-6-4 Nevada Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road. and 0.6 mile northeast of Deer Creek. 672 Comment
  UC1982286  Clarkia biloba subsp. brandegeeae Virginia Moran 2007-6-4 Nevada Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road. Comment
  CAS-BOT-BC164635  Clarkia gracilis subsp. gracilis Gordon H. True; J. T. Howell 1967-6-14 3620 Nevada Just west of Grass Valley on Hwy. 20 at Ridge Rd., Hells Half Acre 792 Comment
  CAS-BOT-BC172462  Clarkia purpurea subsp. purpurea Gordon H. True; John Thomas Howell 1971-6-30 6721 Nevada Hells Half Acre just west of Grass Valley on Highway 20 at Ridge Rd. 792 Comment
  CAS-BOT-BC163846  Clarkia purpurea subsp. quadrivulnera Gordon H. True; J. T. Howell 1967-6-14 3621 Nevada Just west of Grass Valley on Hwy. 20 at Ridge Rd., Hells Half Acre 792 Comment
  CAS-BOT-BC163847  Clarkia purpurea subsp. quadrivulnera Gordon H. True 1967-6-29 3632 Nevada Hells Half Acre, just west of Grass Valley on Hwy. 20 792 Comment
  JEPS78353  Clarkia purpurea subsp. viminea L. R. Heckard 1979-7-2 5132 Nevada about 3 air mi nw Grass Valley (just n of junction of Highway 20 on Ridge Road) Comment
  CAS-BOT-BC164910  Clarkia rhomboidea Gordon H. True; J. T. Howell 1967-6-14 3617 Nevada Just [wesy] west of Grass Valley on Hwy. 20 at Ridge Rd., Hells Half Acre 792 Comment
  CAS-BOT-BC164911  Clarkia rhomboidea Gordon H. True 1967-6-29 3633 Nevada Hells Half Acre, just west of Grass Valley on Hwy. 20 792 Comment
  CAS-BOT-BC165728  Clarkia williamsonii Gordon H. True; John Thomas Howell 1971-6-30 6720 Nevada Hells Half Acre just west of Grass Valley on Highway 20 at Ridge Rd. 792 Comment
  CDA21244  Claytonia parviflora G. F. Hrusa, D. Kelch 2007-4-19 16964 Nevada Sierra Nevada Foothills; South Yuba River State Park. Steep slopes on N side of Yuba River. 175 Comment
  JEPS43308  Claytonia parviflora subsp. parviflora Willis L. Jepson 1892-4-15 Nevada Deer Creek Ridge; w Nevada County Comment
  UCD95603  Clematis lasiantha Karen Callahan 1995-3-1 252 Nevada McCourtney Rd., 1/4 mi. S of Wolf Mtn Rd. 682 Comment
  UCD95621  Clematis lasiantha W. W. Robbins 1926-4-17 513 Nevada Grass Valley. Comment
  CHSC111234  Clematis ligusticifolia Karen I. Callahan 2013-6-29 31 Nevada No. Sierra Nevada foothills. Both sides of bridge where Allison Ranch Road crosses Wolf Creek. 792 Comment
  CAS-BOT-BC216020  Convolvulus Gordon H. True 1973-6-6 7545 Nevada American Ranch Hill, 4 miles southwest of Grass Valley on McCourtney Road, Sierra Nevada 701 Comment
  CAS-BOT-BC216021  Convolvulus Gordon H. True 1973-5-20 7518 Nevada American Ranch Hill, 4 miles southwest of Grass Valley on McCourtney Road, Sierra Nevada 701 Comment
  UCD117260  Cornus sessilis Ted Niehaus 1959-4-1 14 Nevada Southeast 1/4 of Sec. 16 where Deer Creek enters from Sec. 15, T16N R8E. Comment
  SACT000750  Cortaderia selloana Josephine Van Ess 1976-10-6 Nevada Gold Hill road .25 mile north of Gold Hill Comment
  CDA36132  Crataegus monogyna R. Robison 2011-6-3 Nevada Empire Mines State Park; Bennet Road grasslands. 0 Comment
  UCR256658  Croton setiger George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20725 Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  CDA21252  Crucianella angustifolia G. F. Hrusa, D. Kelch 2007-4-19 16972 Nevada Sierra Nevada Foothills; South Yuba River State Park. N side of Yuba River 175 Comment
  CAS-BOT-BC80725  Cupressus macnabiana Gordon H. True; J. T. Howell 1965-7-15 2308 Nevada Ridge Road just west of Hughes Road intersection, Grass Valley 807 Comment
  CAS-BOT-BC80726  Cupressus macnabiana Gordon H. True 1961-7-14 24 Nevada American Ranch Hill, 6 mi. south west of Grass Valley 701 Comment
  CAS-BOT-BC80727  Cupressus macnabiana H. M. Hall 1916-6-10 10182 Nevada 4 km. west of Grass Valley 731 Comment
  JEPS39793  Cupressus macnabiana A. E. Wieslander 1927-6-26 Nevada about 0.5 mi w of junction of Alcalde Mine road with McCormick road to Indian Spring Comment
  POM11472  Cupressus macnabiana H. M. Hall 1916-6-10 10182 Nevada 4 km west of Grass Valley, Sierra Nevada 732 Comment
  UC1134219  Cupressus macnabiana J. E. Sowder and R. W. Lundh 1933-4-15 31 Nevada 1 mi n Grass Valley; Smartsville Quadrangle Comment
  UC1134220  Cupressus macnabiana N. French 1933-5-9 50 Nevada n of Grass Valley; Smartsville Quadrangle 731 Comment
  UC196566  Cupressus macnabiana H. M. Hall 1916-6-10 10182 Nevada 4 km w Grass Valley; Sierra Nevada Mountains 731 Comment
  UC567155  Cupressus macnabiana J. E. Sowder and R. W. Lundh 1933-4-15 31 Nevada 1 mi n Grass Valley; Smartsville Quadrangle Comment
  UCD110842  Cupressus macnabiana Christopher Mallek 2008-1 s.n. Nevada Deadman's Flat. 706 Comment
  UCD133577  Cupressus macnabiana Brett Taylor 1978-4-16 7 Nevada .25 mile southwest of East Lidster Avenue in Grass Valley. 853 Comment
  UCD133578  Cupressus macnabiana Gordon H. True 1961-7-14 24 Nevada American Ranch Hill, 6 mi. southwest of Grass Valley. 701 Comment
  UCD133579  Cupressus macnabiana Gordon H. True; John Thomas Howell 1965-7-15 2308 Nevada Ridge Road, just west of Hughes Rd. intersection, Grass Valley. 807 Comment
  UCD133581  Cupressus macnabiana C. J. W. 1913-6-1 108 Nevada Grass Valley. Comment
  CAS-BOT-BC224379  Cuscuta Gordon H. True; John Thomas Howell 1973-5-11 7466 Nevada American Ranch Hill 4 miles southwest of Grass Valley on McCourtney Road 701 Comment
  NY643286  Cuscuta approximata G. H. True Jr. 1973-7-10 7598 Nevada American Ranch Hill, 4 miles southwest of Grass Valley on McCourtney Road. 701.0 Comment
  CDA5581  Cuscuta approximata var. urceolata G. H. True 1973-6-19 7595 Nevada Sierra Nevada; American Ranch Hill 4 miles southwest of Grass Valley on McCourtney Road. Comment
  SEINET3926422  Cynosurus echinatus D. W. McNeal 1976-6-2 1916 Nevada Forming the entrance to Hells Half Acre, the open area at the jct. of Hwy. @20 and Ridge Rd. w. of Nevada City.; 0 Comment
  CDA21254  Cyperus eragrostis G. F. Hrusa, D. Kelch 2007-4-19 16974 Nevada Sierra Nevada Foothills; South Yuba River State Park. N side of Yuba River. 175 Comment
  CAS-BOT-BC113873  Cyperus niger var. capitatus Gordon H. True; John Thomas Howell 1973-7-30 7627 Nevada Scadden Flat just W of Grass Valley at head of Squirrel Creek. 731 Comment
  CAS-BOT-BC192343  Danthonia unispicata Gordon H. True 1969-5-22 4964 Nevada American Ranch Hill, 4 mi. SW of Grass Valley on McCourtney Rd. Across road from McNab Cypress grove 731 Comment
  CHSC105476  Danthonia unispicata L. P. Janeway; Cyndi Brinkhurst, Karen Callahan, B. Castro,Bill W 2010-5-31 9982 Nevada Northern High Sierra Nevada. Osceola Ridge about 0.6 km north of Hwy 20, along the Pipeline 'Road' about 180 m east of South Ponderosa Way; about 4.8 km west of Grass Valley. 720 Comment
  JEPS81856  Danthonia unispicata L. R. Heckard with J. C. Hickman and R. C. Bacigalupi 1982-5-11 5857 Nevada about 2 mi sw of Grass Valley (Mill Street Junction) (on McCourtney road across from Banner Grange about 2 mi sw of) Comment
  JEPS81857  Danthonia unispicata L. R. Heckard with J. C. Hickman and R. C. Bacigalupi 1982-5-11 5857 Nevada about 2 mi sw of Grass Valley (Mill Street Junction) (on McCourtney road across from Banner Grange about 2 mi sw of) Comment
  UCD61330  Danthonia unispicata Gordon H. True 1969-5-22 4964 Nevada American Ranch Hill, 4 mi. SW of Grass Valley on McCourtney Rd. 731 Comment
  CAS-BOT-BC8832  Delphinium gracilentum A. A. Heller 1919-5-25 13206 Nevada Near Grass Valley Comment
  SEINET7067130  Delphinium patens A. G. Vestal 1947-4-29 s.n. Nevada About 1.4 miles west of Grass Valley on Route 20. Coordinate datum: NAD27. Comment
  CAS-BOT-BC116501  Delphinium patens subsp. patens A. A. Heller 1919-5-25 13206 Nevada Near Grass Valley... Comment
  UC1126090  Delphinium variegatum H. S. Yates 1933-5-24 3638 Nevada Indian Springs Hill Smartsville Quadrangle Comment
  CAS-BOT-BC201861  Deschampsia elongata David D. Keck 1933-5-31 2421 Nevada Rough and Ready Comment
  CAS-BOT-BC201863  Deschampsia elongata David D. Keck 1933-5-31 2421 Nevada Rough and Ready Comment
  POM215704  Deschampsia elongata D. D. Keck 1933-5-31 2421 Nevada Rough and Ready Comment
  SEINET7062910  Dianthus deltoides subsp. deltoides A. G. Vestal 1947-4-29 s.n. Nevada About 1.4 miles west of Grass Valley on Route 20. (WGS84/NAD83). UTM Zone 10, 665104mE, 4343911mN. 791 Comment
  SEINET3927935  Dichanthelium acuminatum Unknown 2006-6-19 s.n. Nevada Nevada City. Newton Road.; 0 690 Comment
  CAS-BOT-BC209223  Dichanthelium acuminatum subsp. acuminatum Gordon H. True 1971-7-1 6855 Nevada Newtown Rd. ca. 2 mi. SW of Indian Flat - Sierra Nevada 701 Comment
  UCR200674  Dichanthelium acuminatum subsp. thermale Daniel Sanchez-Mata 2006-6-20 s.n. Nevada Sierra Nevada Foothills, Nevada City, Newton Road 690 Comment
  SEINET9313430  Dichanthelium acuminatum var. thermale Unknown 2006-6-20 Nevada Nevada City, Newton Road. Plant communities developed on springs. With Mimulus guttatus and Hordeum brachyantherum on serpentine soils. Comment
  UCD111111  Dichelostemma capitatum Christopher Mallek 2008-1 SC2- 7 Nevada Deadman's Flat. 706 Comment
  SEINET7067134  Dichelostemma capitatum subsp. capitatum A. G. Vestal 1947-4-29 s.n. Nevada About 1.4 miles west of Grass Valley on Route 20. Coordinate datum: NAD27. UTM Zone 10, 665246mE, 4343745mN. Comment
  UCD139250  Dichelostemma multiflorum C. J. W. 1913-6-13 7 Nevada Grass Valley. Comment
  CHSC59341  Dodecatheon hendersonii Thomas J. Van Wagner 1992-3-28 4 Nevada Ca. m 50 upstream from Long Valley Rd. along north bank Clear Creek, ca. 5 km wsw Grass Valley. 485 Comment
  UCD113086  Drymocallis glandulosa W. W. Robbins 1926-4-17 542 Nevada Grass Valley. Comment
  UCR234655  Elymus caput-medusae George K. Helmkamp, E. A. Helmkamp 2011-6-2 17432 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley 627 Comment
  UCR256661  Elymus caput-medusae George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20720 Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  CAS-BOT-BC203612  Elymus glaucus subsp. glaucus Gordon H. True; John Thomas Howell 1973-7-30 7626 Nevada Scadden Flat just west of Grass Valley at head of Squirrel Creek 731 Comment
  CAS-BOT-BC228652  Elymus multisetus Gordon H. True 1962-6-12 663 Nevada American Ranch Hill, about 5.5 miles south-west of Grass Valley 670 Comment
  CAS-BOT-BC228653  Elymus multisetus Gordon H. True 1962-6-12 675 Nevada American Ranch Hill, about 5.5 miles south-west of Grass Valley 670 Comment
  CAS-BOT-BC228654  Elymus multisetus Gordon H. True 1967-6-29 3628 Nevada Hells Half Acre, just west of Grass Valley on Hwy. 20 792 Comment
  UCD62433  Elymus multisetus C. J. W. 1913-6-1 412 Nevada Grass Valley. Comment
  UCD62458  Elymus multisetus Gordon H. True 1962-6-12 675 Nevada American Ranch Hill, about 5.5 miles SW of Grass Valley. 670 Comment
  UC1191580  Epilobium densiflorum Malcolm A. Nobs and S. Galen Smith 1949-8-22 1527 Nevada on Hwy 24 11 mi n Nevada-Placer Co. line (marshy areas along creek); Cherry Creek Comment
  UCD106288  Epilobium densiflorum K. Esau 1933-7-16 s.n. Nevada Grass Valley. Comment
  CHSC59249  Equisetum arvense Thomas J. Van Wagner 1992-4-11 14 Nevada Large population adjacent to Squirrel Creek, 5m upstream from North Ponderosa Way crossing, 2 side creek, ca. 5km w of Grass Valley. 665 Comment
  CAS-BOT-BC204437  Eragrostis cilianensis Gordon H. True 1961-8-2 110 A Nevada French Ravine, 5 miles sw. of Grass Valley 640 Comment
  CAS-BOT-BC284143  Eragrostis pectinacea var. pectinacea Gordon H. True 1961-8-2 110 Nevada French Ravine, 5 mi. south west of Grass Valley 640 Comment
  CAS-BOT-BC131575  Ericameria arborescens Gordon H. True 1961-10-8 290 Nevada On Auburn-Grass Valley Highway, about 1 mile south of Grass Valley 731 Comment
  CAS-BOT-BC263721  Eriogonum luteolum var. pedunculatum A. A. Heller 1905-7-14 s.n. Nevada Near Grass Valley Comment
  UCD100319  Eriogonum luteolum var. pedunculatum K. Esau 1933-7-16 s.n. Nevada Grass Valley. Comment
  UCD100699  Eriogonum nudum var. pubiflorum K. Esau 1933-7-16 s.n. Nevada Grass Valley. Comment
  CAS-BOT-BC124197  Eriogonum prattenianum Amos Arthur Heller 1919-5-25 13208 Nevada Near Grass Valley. Comment
  CAS-BOT-BC124198  Eriogonum prattenianum Amos Arthur Heller 1919-5-25 13208 Nevada Near Grass Valley Comment
  OBI10973  Eriogonum prattenianum Lewis S. Rose 1967-6-14 67136 Nevada Hills NW of Grass Valley 823 Comment
  RSA188454  Eriogonum prattenianum L. S. Rose 1967-6-14 67136 Nevada Hills NW of Grass Valley 823 Comment
  UC726723  Eriogonum prattenianum A. A. Heller 1919-5-25 13208 Nevada Grass Valley; ; Grass Valley, Nevada Co. Comment
  UCD100845  Eriogonum prattenianum Gordon H. True; John Thomas Howell 1967-6-14 3608 Nevada Hell's Half Acre just west of Grass Valley. 792 Comment
  CAS-BOT-BC258132  Eriogonum prattenianum var. prattenianum C. B. Wolf; B. D. Stark 1933-9-25 5497 Nevada W. slope Sierra Nevada. 2 mi. W. of Grass Valley on road to Rough and Ready 762 Comment
  CAS-BOT-BC258134  Eriogonum prattenianum var. prattenianum Gordon H. True; J. T. Howell 1967-6-14 3608 Nevada Just west of Grass Valley on Hwy. 20 at Ridge Rd., Hells Half Acre 792 Comment
  CAS-BOT-BC258135  Eriogonum prattenianum var. prattenianum James L. Reveal 1988-6-3 7009 Nevada Along California Highway 20 in Grass Valley between Sunset View and Alta Hill, 0.2 mile west of Ridge road and 0.3 mile east of Mills Road 822 Comment
  RSA489565  Eriogonum prattenianum var. prattenianum James L. Reveal 1988-6-3 7009 Nevada Along Hwy 20 in Grass Valley betw Sunset View and Alta Hill, 0.2 mile W of Ridge road and 0.3 mile E of Mills Road. 823 Comment
  RSA723079  Eriogonum prattenianum var. prattenianum LeRoy Gross, Valentin Arvizu, Virginia Moran 2007-1-20 2594 Nevada Sierra Nevada foothills. Place called Hells Half Acre. West of Grass Valley, just south of Hwy. 20 toward Rough and Ready, north of a community called The Oaks. Entrance off Adam Road. 777 Comment
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Aug 6 2017
  UCD101166  Eriogonum roseum K. Esau 1933-7-16 s.n. Nevada Grass Valley. Comment
  A36593  Eriogonum umbellatum subsp. serratum A. A. Heller 1919-5-25 13208 Unknown Near Grass Valley in red clay soil in the yellow pine belt Comment
  GH61918  Eriogonum umbellatum subsp. serratum A. A. Heller 1919-5-25 13208 Unknown Near Grass Valley in red clay soil in the yellow pine belt Comment
  NY74055  Eriogonum umbellatum subsp. serratum A. A. Heller 1919-5-25 13208 Nevada Near Grass Valley Comment
  UCD132172  Eriophyllum lanatum Richard Hanes 1996-5-22 290 Nevada Grass Valley. 847 Comment
  UCD132173  Eriophyllum lanatum Richard Hanes 1996-5-22 290 Nevada Grass Valley. 847 Comment
  CAS-BOT-BC301344  Eriophyllum lanatum var. croceum A. A. Heller 1919-5-25 13218 Nevada Near Grass Valley Comment
  CAS-BOT-BC301345  Eriophyllum lanatum var. croceum A. A. Heller 1919-5-25 13218 Nevada Near Grass Valley Comment
  GH427051  Eriophyllum lanatum var. croceum A. A. Heller 1919-5-25 13218 Unknown Near Grass Valley Comment
  CAS-BOT-BC301397  Eriophyllum lanatum var. grandiflorum Lewis S. Rose 1939-6-5 39211 Nevada Grass Valley 716 Comment
  CAS-BOT-BC301399  Eriophyllum lanatum var. grandiflorum Lillian S. Mott 1964-6-28 LM 4064 Nevada Hughes Rd. 1/4 mile No. of Grass Valley - connects to Ridge Rd. 731 Comment
  CAS-BOT-BC301402  Eriophyllum lanatum var. grandiflorum Jean L. Pawek 1956-5-22 62 Nevada Highway 49 just south of Grass Valley 609 Comment
  GH414987  Eriophyllum lanatum var. grandiflorum B. Anderson 1985-5-12 2703 Unknown McCourtney Rd near Indian Springs Rd. Comment
  UC896321  Eriophyllum lanatum var. grandiflorum Lewis S. Rose 1939-6-5 39211 Nevada Grass Valley 716 Comment
  CAS-BOT-BC54312  Erysimum capitatum Alice Eastwood 1912-6-20 613 Nevada Grass Valley. Comment
  UCD115013  Erysimum capitatum var. capitatum C. J. W. 1913-6-22 66 Nevada Grass Valley. Comment
  CHSC59354  Erythranthe guttata Thomas J. Van Wagner 1992-4-11 13 Nevada S side rd., ca. 150 m n of East Main St. on Hughs Rd., within Grass Valley city limits. 760 Comment
  CHSC59368  Erythronium multiscapideum Thomas J. Van Wagner 1992-4-10 12 Nevada On e side of N. Ponderosa Way, ca. 0.8 km from Squirrel Creek crossing, 7.0 road km from Grass Valley. 675 Comment
  JEPS86096  Erythronium multiscapideum Wayne Roderick 1966-4-9 Nevada near Grass Valley city dump; Grass Valley Comment
  UCD142425  Euphorbia lathyris H. J. Graser 1925-9-3 s.n. Nevada Grass Valley. Comment
  CAS-BOT-BC310587  Eurybia radulina Gordon H. True 1971-7-23 6879 Nevada Wolf Mt. Road ca. 0.5 miles south of American Ranch Hill 701 Comment
  UCR256659  Festuca perennis George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20726 Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  CDA21258  Ficus carica G. F. Hrusa, D. Kelch 2007-4-19 16978 Nevada Sierra Nevada Foothills; South Yuba River State Park. N side of Yuba River. 175 Comment
  CDA21240  Filago gallica G. F. Hrusa, D. Kelch 2007-4-19 16960 Nevada Sierra Nevada Foothills; 3-4 mi. W of Grass Valley along Hwy 20. 749 Comment
  UCR242560  Filago gallica George K. Helmkamp, E. A. Helmkamp 2011-6-2 17420 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  A378067  Frangula californica subsp. tomentella A. A. Heller 1905-7-14 8104 Unknown Near Grass Valley Comment
  CAS-BOT-BC53535  Frangula californica subsp. tomentella A. A. Heller 1905-7-14 8104 Nevada Near Grass Valley Comment
  CAS-BOT-BC53536  Frangula californica subsp. tomentella A. A. Heller 1905-7-14 8104 Nevada Near Grass Valley Comment
  CAS-BOT-BC53540  Frangula californica subsp. tomentella Lewis S. Rose 1939-6-5 39205 Nevada 2 mi. w. of Grass Valley 716 Comment
  GH378044  Frangula californica subsp. tomentella A. A. Heller 1905-7-14 8104 Unknown near Grass Valley Comment
  A378145  Frangula rubra A. A. Heller 1919-5-24 13209 Unknown Near Grass Valley Comment
  CAS-BOT-BC53789  Frangula rubra Carl B. Wolf; B. D. Stark 1933-9-25 5498 Nevada W. slope Sierra Nevada. 2 mi. w. of Grass Valley on road to Rogh and Ready 762 Comment
  CAS-BOT-BC53790  Frangula rubra Carl B. Wolf; B. D. Stark 1933-9-25 5498 Nevada W. slope Sierra Nevada. 2 mi. w. of Grass Valley on road to Rogh and Ready 762 Comment
  CAS-BOT-BC53793  Frangula rubra A. A. Heller 1919-5-25 13209 Nevada Near Grass Valley Comment
  GH378169  Frangula rubra A. A. Heller 1919-5-24 13209 Unknown Near Grass Valley 1249 Comment
  UCD111108  Frangula rubra Christopher Mallek 2008-1 s. n. Nevada Deadman's Flat. 706 Comment
  A378299  Frangula rubra subsp. obtusissima C. B. Wolf & B. D. Stark 1933-9-25 5498 Unknown W. slope Sierra Nevada. 2 mi. w. of Grass valley on road to Rough and Ready 762 Comment
  LA207868  Frangula rubra subsp. obtusissima C. B. Wolf; B. D. Stark 1933-9-25 5498 Nevada SIERRA NEVADA, W slope Sierra Nevada, 2 mi. W of Grass Valley on road to Roung and Ready 761 Comment
  OBI6013  Frangula rubra subsp. obtusissima Carl B. Wolf 1933-9-25 5498 Nevada W slope Sierra Nevada; 2 mi W of Grass Valley on road to rough and ready Comment
  CAS-BOT-BC55772  Frangula rubra subsp. rubra A. A. Heller 1919-5-24 13209 Nevada Near Grass Valley Comment
  CAS-BOT-BC55774  Frangula rubra subsp. rubra Lillian S. Mott 1968-9-12 2468 Nevada Hell's Half Acre Comment
  CAS-BOT-BC55779  Frangula rubra subsp. rubra Gordon H. True 1962-7-3 771 Nevada Grass Valley - Auburn Highway, about 2 1/2 miles south of Grass Valley 731 Comment
  SEINET7417575 Image available Frangula rubra subsp. rubra A. A. Heller 1919-5-24 13209 Nevada near Grass Valley Comment
  UCD122033  Fraxinus dipetala W. W. Robbins 1926-4-17 530 Nevada Grass Valley. Comment
  CAS-BOT-BC212963  Fremontodendron californicum Gordon H. True 1969-5-22 4964 A Nevada American Ranch Hill, 4 mi. SW of Grass Valley on McCourtney 731 Comment
  CHSC107400  Fremontodendron californicum Karen I. Callahan 2010-5-19 15 Nevada Northern Sierra Nevada Foothills. 14647 McCourtney Road, Nevada County Animal Shelter. 731 Comment
  JEPS118606  Fremontodendron californicum Karen I. Callahan 2010-5-19 0015 Nevada Northern Sierra Nevada Foothills. 14647 McCourtney Road, Nevada County Animal Shelter. Grass Valley 7.5' Quad. Comment
  UCD81668  Fremontodendron californicum Chuck Hughes 2009-6-3 91 Nevada Idaho-Maryland Mine, Grass Valley. 774 Comment
  CHSC59124  Fritillaria micrantha Thomas J. Van Wagner 1992-4-15 18 Nevada SE corner of State Highway 20 and Ponderosa Way overcrossing, ca. 3.0 km w of Grass Valley. 695 Comment
  CHSC78099  Galium aparine Darhl Bradford 1998-4-20 25 Nevada Empire State Park, 200 meters SW of Borne Mansion. 594 Comment
  CAS-BOT-BC520358  Galium parisiense George K. Helmkamp; Elizabeth Helmkamp 2013-5-30 20716 Nevada Northern Sierra Nevada Mountains Foothills: along Hwy CA-20, 3.5 mi W of CA-49 in Grass Valley 623 Comment
  CDA21248  Galium parisiense G. F. Hrusa, D. Kelch 2007-4-19 16968 Nevada Sierra Nevada Foothills; South Yuba River State Park. N side of Yuba River 175 Comment
  UCR242326  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2011-6-2 17418 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  UCR257032  Galium parisiense George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20716 Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  CHSC107419  Garrya Karen Callahan 2010-10-26 20 Nevada Northern Sierra Nevada Foothills. Collection was made along 'All;s Well Lane', 1/4 mile west of Slate Creek Road and 1/2 mile north of Ridge Road, northwest of Grass Valley. 670 Comment
  JEPS118608  Garrya Karen I. Callahan 2010-10-26 0020 Nevada Northern Sierra Nevada Foothills. Collection was made along All's Well Lane, 1/4 mile west of Slate Creek Road and 1/2 mile north of Ridge Road, northwest of Grass Valley. Grass Valley 7.5' Quad. Comment
  CAS-BOT-BC178381  Garrya flavescens Gordon H. True 1962-1-14 303 Nevada American Ranch Hill, 6 miles southwest of Grass Valley on McCourney Road - Sierra Nevada 701 Comment
  CAS-BOT-BC178382  Garrya flavescens Gordon H. True 1961-11-1 303 Nevada American Ranch Hill, 6 miles southwest of Grass Valley on McCourney Road - Sierra Nevada 701 Comment
  CAS-BOT-BC178383  Garrya flavescens Gordon H. True 1962-1-30 304 Nevada American Ranch Hill, 6 miles southwest of Grass Valley, on McCourtney Rd. - Sierra Nevada 670 Comment
  CHSC107418  Garrya flavescens Karen Callahan 2010-6-13 16 Nevada Northern Sierra Nevada Foothills. Located west of Grass Valley in Bureau of Land Management's 'Deadman's Flat Area of Critical Environmental Concern'. East of Ponderosa Way along the pipeline access road. 722 Comment
  JEPS118607  Garrya flavescens Karen I. Callahan 2010-6-13 0016 Nevada Northern Sierra Nevada Foothills. Located west of Grass Valley in Bureau of Land Management's Deadman's Flat Area of Critical Environmental Concern. East of Ponderosa Way along the pipeline access road. Grass Valley 7.5' Quad. Comment
  RSA795733  Garrya flavescens Karen I. Callahan 2010-6-13 16 -B Nevada Northern Sierra Nevada Foothills. Located west of Grass Valley in Bureau of Land Management's 'Deadman's Flat Area of Critical Environmental Concern'. East of Ponderosa Way along the pipeline access road. 723 Comment
  CAS-BOT-BC144388  Garrya fremontii Gordon H. True 1974-6-18 7728 Nevada American Ranch Hill, 5 miles southwest of Grass Valley on McCourtney Road 701 Comment
  CAS-BOT-BC144390  Garrya fremontii Lillian Mott 1974-6-14 50 LM74 Nevada 3.5 miles southwest of Grass Valley, on McCourtney Road at Ponderosa Way 762 Comment
  CAS-BOT-BC144391  Garrya fremontii Lillian S. Mott 1974-1-27 s.n. Nevada McCourtney Road sw. of Grass Valley Comment
  CAS-BOT-BC144392  Garrya fremontii Lillian S. Mott 1974-1-27 s.n. Nevada McCourtney Road sw. of Grass Valley Comment
  CHSC100811  Garrya fremontii Karen I. Callahan 2008-4-12 5 Nevada Northern High Sierra Nevada Foothills. Collection was made along 'All's Well Lane', 1/4 mile west of Slate Creek Road and 1/2 mile north of Ridge Road, north west of Grass Valley. 670 Comment
  CHSC100812  Garrya fremontii Karen I. Callahan 2008-4-12 6 Nevada Northern High Sierra Nevada Foothills. Collection was made along 'All's Well Lane', 1/4 mile west of Slate Creek Road and 1/2 mile north of Ridge Road, north west of Grass Valley. 670 Comment
  CAS-BOT-BC282589  Gastridium phleoides Gordon H. True 1962-7-4 775 Nevada American Ranch Hill about 5 mile south west of Grass Valley on McCourtney Road, Sierra Nevada 701 Comment
  RSA0028472  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-6-2 17430 Nevada Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley 627 Comment
  UCR234597  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-6-2 17430 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley 627 Comment
  UC1982302  Gilia capitata subsp. mediomontana 2007-6-4 Nevada The property is within the Deer Creek watershed. Deer Creek runs about 0.6 mile (o.97 km) south west of the property. Two main intermitten drainages exist on the south parcel with three branches ans all had flowing or standing water at the time of surveys. Comment
  CDA21227  Githopsis diffusa subsp. robusta G. F. Hrusa, D. Kelch 2007-4-19 16947 Nevada Sierra Nevada Foothills; 3-4 mi. W of Grass Valley along Hwy 20. 749 Comment
  UC1982298  Githopsis specularioides Virginia Moran 2007-5-9 Nevada Collected from property just east of historic Newtown in west Nevada County. Parcel just east of Avian Way and south of Newtown Road. Comment
  GH417631  Grindelia hirsutula var. davyi L. S. Rose 1939-6-5 39210 Unknown 2 mi. w. of Grass Valley 731 Comment
  CDA21249  Hedypnois cretica G. F. Hrusa, D. Kelch 2007-4-19 16969 Nevada Sierra Nevada Foothills; South Yuba River State Park. N side of Yuba River. 175 Comment
  SD243279  Hedypnois cretica G. F. Hrusa, D. Kelch 2007-4-19 16969 Nevada South Yuba River State Park. 174 Comment
  CHSC57173  Helianthella californica var. nevadensis J. Lund 1980-5-10 Nevada South side of Grass Valley, on South Auburn Street. On hill above road. 762 Comment
  CHSC103230  Hesperocyparis macnabiana L. P. Janeway; K. Callahan, B. Castro, C. Brinkhurst, B. Wilson 2010-5-31 9987 Nevada Northern High Sierra Nevada. Below the Nevada County Animal Shelter, east slope of American Ranch Hill about, 170 m east of McCourtney Road, about 5.6 km southwest of Grass Valley. 685 Comment
  JEPS116633  Hesperocyparis macnabiana L. P. Janeway and Karen Callahan, B. Castro, Cyndi Brinkhurst, Bill Wilson 2010-5-31 9987 Nevada Below the Nevada County Animal Shelter, east slope of American Ranch Hill about 170 m east of McCourtney Road, about 5.6 km southwest of Grass Valley Grass Valley; Northern High Sierra Nevada 685 Comment
  UCD102644  Heuchera micrantha W. W. Robbins 1926-4-17 538 Nevada Grass Valley. Comment
  UC1982282  Hoita macrostachya Virginia Moran 2007-8-26 Nevada Collected from Grub Creek on property just east of Rex western Nevada County. Parcel is just east of Rex Reservoir Road. Comment
  CHSC8214  Holcus lanatus J. G. Moore 1969-5-3 37 Nevada Hwy. 20, 200 yds w of Rough and Ready, 10 yds. s of Hwy. 914 Comment
  RSA68115  Holcus lanatus W. M. Stevenson 1951-5-19 s.n. Nevada Near Grass Valley. 183 Comment
  CAS-BOT-BC285099  Hordeum marinum subsp. gussoneanum Gordon H. True 1971-6-8 6658 Nevada Hells Half Acre, just west of Grass Valley on Highway 20 at Ridge Road 792 Comment
  UCR257162  Hordeum murinum subsp. glaucum George K. Helmkamp 2014-4-17 22744 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley 729 Comment
  UCD113552  Horkelia tridentata Mrs. Flora Hayes 1936-4-12 s.n. Nevada Grass Valley. Comment
  UC860240  Horkelia tridentata subsp. tridentata Alice Eastwood Jun 20 1912-Jun 22 1912 506 Nevada Grass Valley Comment
  CAS-BOT-BC410817  Hypericum concinnum Gordon H. True 1961-7-14 21 Nevada American Ranch Hill, 6 mi. SW of Grass Valley 701 Comment
  UCD110370  Hypericum perforatum subsp. perforatum K. Esau 1933-7-16 s.n. Nevada Grass Valley. Comment
  CDA21237  Hypochaeris glabra G. F. Hrusa, D. Kelch 2007-4-19 16958 Nevada Sierra Nevada Foothills; 3-4 mi. W of Grass Valley along Hwy 20. 749 Comment
  CDA21259  Hypochaeris glabra G. F. Hrusa, D. Kelch 2007-4-19 16979 Nevada Sierra Nevada Foothills; South Yuba River State Park. 175 Comment
  SEINET6190955 Image available Iris amabilis A. A. Heller 1919-1 s.n. Nevada Near Grass Valley Comment
  UC726724  Iris macrosiphon A. A. Heller 1919-5-25 13210 Nevada Grass Valley Comment
  UCD38325  Isatis tinctoria Beecher Crampton 1954-5-11 1899 Nevada Hwy. 49. Comment
  CAS-BOT-BC69841  Isoetes orcuttii Gordon H. True; J. T. Howell 1967-6-14 3613 Nevada Just w. of Grass Valley on Hwy. 20 at Ridge Rd., Hells Half Acre. 792 Comment
  CAS-BOT-BC340287  Jensia rammii Gordon H. True 1968-4-18 4176 Nevada Hells Half acre just west of Grass Valley on Hwy. 20 at Ridge Rd. 792 Comment
  CAS-BOT-BC340297  Jensia rammii David D. Keck 1933-5-31 2423 Nevada Just south of city limits of Grass Valley Comment
  CAS-BOT-BC340298  Jensia rammii David D. Keck 1933-5-31 2423 Nevada Just south of city limits of Grass Valley Comment
  CAS-BOT-BC340308  Jensia rammii Lewis S. Rose 1933-5-28 33211 Nevada Grass Valley 731 Comment
  CAS-BOT-BC340309  Jensia rammii Lewis S. Rose 1933-5-28 33211 Nevada Grass Valley 731 Comment
  CHSC114311  Jensia rammii G. F. Hrusa; D. Kelch 2007-4-19 16948 Nevada Serpentine outcrop 3 - 4 mi. W. of Grass Valley along Hwy 20. 749 Comment
  UC1982292  Jensia rammii Virginia Moran 2007-5-10 Nevada Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road. Comment
  UC2044614  Jensia rammii George K. Helmkamp with E. A. Helmkamp 2011-6-2 17415 Nevada Northern Sierra Nevada Mountains Foothills Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley. (Grass Valley 7.5' Q.) Comment
  UC517977  Jensia rammii Lewis S. Rose 1933-5-28 33211 Nevada Grass Valley 731 Comment
  UC538052  Jensia rammii David D. Keck 1932-7-1 1599 Nevada near southern city limits Grass Valley; Sierra Nevada Comment
  UCR257772  Juncus effusus var. gracilis George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20033 Placer Sierra Nevada Mountains Foothills, CA-49 at junction with Christian Life Way, c. 2 miles south of Grass Valley 755 Comment
  UCD133770  Juniperus occidentalis Gordon H. True; John Thomas Howell 1970-7-13 5461 Nevada Eagle Lakes Road at Fordyce Creek Trail ca. 2 miles north of Indian Springs Campground. 1661 Comment
  CAS-BOT-BC236778  Keckiella breviflora W. R. Dudley 1893-6-13 s.n. Nevada Trail to Boston Mine near Nevada City Comment
  CDA27127  Lathyrus nevadensis D. G. Kelch, G. F. Hrusa 2007-4-2 7 .163 Nevada Hwy 20 roadside; W of Grass Valley. (waypoint 114). Comment
  CHSC97883  Lathyrus nevadensis D. G. Kelch 2007-4-20 07 .163 Nevada Hwy 20 roadside; W of Grass Valley. (waypoint 114). 762 Comment
  UCD106390  Lathyrus nevadensis Ted Niehaus 1959-4-1 9 Nevada Grass Valley. Comment
  UC1982293  Lathyrus sulphureus Virginia Moran 2007-8-26 Nevada Collected from property east Rex Reservoir in western Nevada County. Parcel is just east of Rex Reservoir Road. Comment
  UCD106458  Lathyrus sulphureus W. W. Robbins 1926-4-17 539 Nevada Grass Valley. Comment
  CAS-BOT-BC523893  Leontodon saxatilis subsp. longirostris George K. Helmkamp; Elizabeth Helmkamp 2013-5-30 20715 Nevada Northern Sierra Nevada Mountains Foothills: along Hwy CA-20, 2.5 mi W of CA-49 in Grass Valley 623 Comment
  CDA21238  Leontodon taraxacoides G. F. Hrusa, D. Kelch 2007-4-19 16957 Nevada Sierra Nevada Foothills; 3-4 mi. W of Grass Valley along Hwy 20. 749 Comment
  UCR231309  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2011-5-26 17400 Nevada Northern Sierra Nevada Mountains Foothills, Grass Valley, church driveway at CA-49, about 0.2 mile south of Old White Toll Road 747 Comment
  UCR242555  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2011-6-2 17425 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  UCR257030  Leontodon taraxacoides subsp. longirostris George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20715 Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  UCR258790  Leontodon taraxacoides subsp. taraxacoides George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20034 Placer Sierra Nevada Mountains Foothills, CA-49 at junction with Christian Life Way, c. 2 miles south of Grass Valley 755 Comment
  CAS-BOT-BC221499  Lepechinia calycina Gordon H. True 1965-4-28 1811 Nevada American Ranch Hill about 5 mi. southwest of Grass Valley on McCourtney Road 701 Comment
  CHSC82388  Lepechinia calycina Lowell Ahart 2002-5-28 9672 Nevada On top of the road cut, east side of Patterson Valley Road, about 25 yards north of the intersection of Patterson Valley Road and McCourtney Road, about one mile east of the intersection of Indian Springs Road and McCourtney Road, about 6 miles southwest of Grass Valley. 518 Comment
  JEPS103472  Lepechinia calycina Lowell Ahart 2002-5-28 9672 Nevada On top of the road cut, E side of Patterson Valley Road, ca 25 yards N of the intersection of Patterson Valley Road and McCourtney Road, ca one mile E of the intersection of Indian Springs Road and McCourtney Road, ca 6 miles SW of Grass Valley. 518 Comment
  UCR231308  Lepidium campestre George K. Helmkamp, E. A. Helmkamp 2011-5-26 17401 Nevada Northern Sierra Nevada Mountains Foothills, Grass Valley, church driveway at CA-49, about 0.2 mile south of Old White Toll Road 747 Comment
  UCR89023  Lessingia leptoclada G. H. True 1961-8-2 118 Nevada American Ranch Hill, 6.5 mi SW of Grass Valley 671 Comment
  CAS-BOT-BC341863  Lessingia nemaclada A. A. Heller 1905-7-14 8118 Nevada Near Grass Valley Comment
  CAS-BOT-BC341865  Lessingia nemaclada Gordon H. True 1961-7-14 22 Nevada American Ranch Hill, 6 mi. south west of Grass Valley Comment
  CHSC100957  Lessingia nemaclada Virginia Moran 2007-6-4 Nevada Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road. 673 Comment
  UC1982306  Lessingia nemaclada Virginia Moran 2007-6-4 Nevada Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road. Comment
  RSA554801  Limnanthes alba Margaret J. Williams, Lillian Mott 1988-5-5 88- 4 -1 Nevada Hell s Half Acre, 1 mi. N. of Grass Valley on Hwy. 20. Comment
  UC1982291  Linanthus bolanderi Virginia Moran 2007-5-10 Nevada Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road. Comment
  UC1982304  Linanthus harknessii Virginia Moran 2007-5-10 Nevada Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Nevada Road. Comment
  CAS-BOT-BC520359  Linum bienne George K. Helmkamp; Elizabeth Helmkamp 2013-5-30 20717 Nevada Northern Sierra Nevada Mountains Foothills: along Hwy CA-20, 3.5 mi W of CA-49 in Grass Valley 623 Comment
  UCR242559  Linum bienne George K. Helmkamp, E. A. Helmkamp 2011-6-2 17421 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  UCR257031  Linum bienne George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20717 Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  CAS-BOT-BC432237  Lithophragma bolanderi Gordon H. True 1971-6-7 6656 Nevada American Ranch Hill, 5 miles southwest of Grass Valley on McCourtney Road; Sierra Nevada 701 Comment
  CAS-BOT-BC342443  Logfia gallica Gordon H. True 1971-6-8 6669 Nevada Hells Half Acre just west of Grass Valley on Highway 20 at Ridge Road 792 Comment
  CHSC100813  Lomatium marginatum var. marginatum Karen I. Callahan 2008-6-3 12 Nevada Northern Sierra Nevada Foothills. West of Grass Valley. Along South Ponderosa Road, about 4 miles south of Rough and Ready Highway. 671 Comment
  CHSC100814  Lomatium marginatum var. marginatum Karen I. Callahan 2008-4-2 1 Nevada Northern Sierra Nevada Foothills. West of Grass Valley. Along South Ponderosa Road, about 4 miles south of Rough and Ready Highway. 671 Comment
  RSA794871  Lomatium marginatum var. marginatum George K. Helmkamp, E. Helmkamp 2011-6-2 17429 Nevada Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley 627 Comment
  UCR234598  Lomatium marginatum var. marginatum George K. Helmkamp, E. A. Helmkamp 2011-6-2 17429 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley 627 Comment
  UCR242557  Lomatium marginatum var. marginatum George K. Helmkamp, E. A. Helmkamp 2011-6-2 17422 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  CHSC100959  Lomatium utriculatum Virginia Moran 2007-5-10 Nevada Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road. 672 Comment
  UC1982283  Lomatium utriculatum Virginia Moran 2007-5-10 Nevada Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road. Comment
  UCD110819  Lomatium utriculatum Christopher Mallek 2008-1 SC2- 5 Nevada Deadman's Flat. 706 Comment
  UC726725  Lotus grandiflorus var. grandiflorus A. A. Heller 1919-5-25 13211 Nevada Grass Valley Comment
  UC726157  Lotus purshianus var. purshianus A. A. Heller 1919-5-25 13196 Nevada Grass Valley Comment
  UCR256645  Lotus purshianus var. purshianus George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20724 Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  UC725928  Lupinus A. A. Heller 1919-5-25 13195 Nevada Grass Valley Comment
  UC725876  Lupinus albicaulis A. A. Heller 1919-5-25 13213 Nevada Grass Valley Comment
  UCD105864  Lupinus albicaulis A. A. Heller 1919-5-25 13213 Nevada Near Grass Valley. Comment
  UCD105865  Lupinus albicaulis A. A. Heller 1919-5-25 13195 Nevada Near Grass Valley. Comment
  SEINET5766880 Image available Lupinus albicaulis subsp. purpurascens A. A. Heller 1919-1 13213 Nevada near Grass Valley Comment
  SEINET5766863 Image available Lupinus albicaulis subsp. wolfianus A. A. Heller 1919-1 13195 Nevada near Grass Valley Comment
  JEPS33177  Lupinus bicolor A. A. Heller 1938-5-7 15066 Nevada 2 mi w Grass Valley; w of Grass Valley Comment
  JEPS58558  Lupinus bicolor Gordon H. True 1969-5-1 Nevada at intersection of Marysville Highway and Ridge Road just w Grass Valley (on Hell's Half-Acre); w of Grass Valley, Hell's Half-Acre 762 Comment
  UC864961  Lupinus bicolor A. A. Heller 1938-5-7 15066 Nevada 2 mi w Grass Valley; w of Grass Valley Comment
  RSA794870  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2011-6-2 17431 Nevada Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley 627 Comment
  UC726773  Lupinus nanus A. A. Heller 1938-5-7 15067 Nevada 2 mi w Grass Valley; w of Grass Valley 731 Comment
  UCR234656  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2011-6-2 17431 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley 627 Comment
  UCD111109  Luzula Christopher Mallek 2008-1 SC2- 1 Nevada Deadman's Flat. 706 Comment
  CHSC8231  Luzula comosa var. subsessilis J. G. Moore 1969-4-13 34 Nevada Hwy 20, 200 yds. w of Rough and Ready, 10 yds. s of Hwy. 914 Comment
  UC1191552  Lythrum hyssopifolia Malcolm A. Nobs, S. Galen Smith 1949-8-22 1529 Nevada 11 mi n of Nevada-Placer County Line (along Cherry Creek on Highway 24); Cherry Creek, Highway 24 Comment
  CDA21245  Maclura pomifera G. F. Hrusa, D. Kelch 2007-4-19 16965 Nevada Sierra Nevada Foothills; South Yuba River State Park. N side of Yuba River. 175 Comment
  UCR257155  Madia George K. Helmkamp 2014-4-17 22741 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley 729 Comment
  CAS-BOT-BC344459  Madia exigua Gordon H. True 1962-6-12 679 Nevada American Ranch Hill, about 5.5 miles south-west of Grass Valley 670 Comment
  OBI63095  Madia exigua R. K. Brummitt 1997-6-11 19702 Nevada At Rough and Ready, 6 km W of Grass Valley 550 Comment
  RSA711886  Madia exigua R. K. Brummitt 1997-6-11 19702 Nevada At Rough and Ready, 6 km W of Grass Valley. 550 Comment
  UC1795015  Madia exigua R. K. Brummitt 1997-6-11 19702 Nevada At Rough and Ready, 6 km W of Grass Valley 550 Comment
  UC2044623  Madia exigua George K. Helmkamp with E. A. Helmkamp 2011-6-2 17417 Nevada Northern Sierra Nevada Mountains Foothills Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley. (Grass Valley 7.5' Q.) Comment
  UCR242766  Madia exigua George K. Helmkamp, E. A. Helmkamp 2011-6-2 17417 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  CAS-BOT-BC343215  Madia gracilis David D. Keck 1933-5-31 2419 Nevada Rough and Ready Comment
  CAS-BOT-BC343216  Madia gracilis David D. Keck 1933-5-31 2419 Nevada Rough and Ready Comment
  CDA21228  Madia rammii G. F. Hrusa, D. Kelch 2007-4-19 16948 Nevada Sierra Nevada Foothills; 3-4 mi. W of Grass Valley along Hwy 20. 749 Comment
  SEINET3387425 Image available Madia rammii Lewis S. Rose 1933-5-28 33211 Nevada Grass valley 732 Comment
  UCR242599  Madia rammii George K. Helmkamp, E. A. Helmkamp 2011-6-2 17415 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  RSA10969  Mahonia repens C. B. Wolf 1927-11-6 1453 Nevada 1/2 mile from Rough and Ready; Sierra Nevada foothills. Comment
  UCD110820  Melica Christopher Mallek 2008-1 SC1- 23 Nevada Deadman's Flat. 706 Comment
  CAS-BOT-BC269423  Melica californica Gordon H. True 1962-5-11 571 Nevada 4 miles south west of Grass Valley, on McCourtney Rd. 701 Comment
  CAS-BOT-BC269424  Melica californica Gordon H. True 1968-4-18 4183 Nevada Rough and Ready Road 2 miles north of Rough & Ready 1158 Comment
  UCD87243  Melica californica E. Wilson 1934-6-10 s.n. Nevada Grass Valley on Colfax Rd. Comment
  CAS-BOT-BC264167  Melica subulata Gordon H. True 1970-5-17 5349 Nevada Deer Creek Canyon at Rough and Ready Ditch flume, 0.5 mi. W of Nevada City 762 Comment
  JEPS86869  Mimulus angustatus David M. Thompson 1988-5-17 905 Nevada 0.1-0.2 mi e Ridge Road (along Rough and Ready Hwy (the old Hwy 20 route)); Grass Valley 790 Comment
  UCR72549  Mimulus angustatus D. M. Thompson 1988-5-17 905 Nevada Grass Valley. 0.1-0.2 mi east of Ridge Rd. along Rough and Ready Hwy (the old Hwy 20 route) 793 Comment
  UC726689  Mimulus layneae A. A. Heller 1919-5-25 13200 Nevada Grass Valley Comment
  JEPS86933  Mimulus torreyi David M. Thompson 1988-5-17 906 Nevada 0.1-0.2 mi e Ridge Road (along Rough and Ready Hwy (the old Hwy 20), n of Hwy); Grass Valley 790 Comment
  JEPS86935  Mimulus torreyi David M. Thompson 1988-6-12 946 Nevada 0.1-0.2 mi e Ridge Road (along Rough and Ready Hwy (the old Hwy 20), n of Hwy); Grass Valley 790 Comment
  UC886410  Mimulus torreyi Lewis S. Rose 1940-6-1 40429 Nevada 3 mi s Grass Valley 670 Comment
  CAS-BOT-BC388767  Minuartia douglasii Gordon H. True 1963-5-12 1230 Nevada Just west of Grass Valley on Marysville Highway 792 Comment
  CAS-BOT-BC220017  Monardella breweri subsp. lanceolata Gordon H. True 1971-7-24 6883 Nevada Hells Half Acre just west of Grass Valley on Highway 20 at Ridge Road 792 Comment
  CHSC72450  Monardella sheltonii L. P. Janeway 1998-7-16 5774 Nevada Grass Valley; on the east side of East Main, about 300 ft south of junction with Hughes Road. 768 Comment
  GH400735  Monardella sheltonii H. M. Hall & F. M. Essig 1916-6-10 10180 Unknown Near Grass Valley, on the westerly slope of the Sierra Nevada Comment
  HSC95621  Monardella sheltonii L. P. Janeway 1998-7-16 5774 Nevada Grass valley, E side of E Main 300 ft. S of jct. with Hughes Rd. 768 Comment
  UC1730261  Monardella sheltonii L. P. Janeway 1998-7-16 5774 Nevada Grass Valley; on the east side of East Main, about 300 ft south of junction with Hughes Road. 768 Comment
  UC198959  Monardella villosa subsp. villosa H. M. Hall and F. M. Essig 1916-6-10 10180 Nevada Near Grass Valley; on the westerly slope of Sierra Nevada, along upper edge of Upper Sonoran Zone. 700 Comment
  CAS-BOT-BC274906  Muhlenbergia rigens Gordon H. True 1961-10-5 282 Nevada On McCourtney Road, 5 miles SW of Grass Valley, at French Ravine 640 Comment
  CAS-BOT-BC274908  Muhlenbergia rigens John Thomas Howell 1951-8-21 28292 Nevada Grass Valley 731 Comment
  RSA88114  Muhlenbergia rigens J. T. Howell 1951-8-21 28292 Nevada Grass Valley. 732 Comment
  CAS-BOT-BC260186  Nassella pulchra Gordon H. True 1962-5-22 636 Nevada American Ranch Hill, about 6 miles SW of Grass Valley, on McCourtney Road 670 Comment
  UCSB28394  Navarretia C. Hardham 1974-5-20 20 100 Nevada RIDGE RD & RT 20 HELL'S HALF ACRE (W OF GRASS VALLEY) Comment
  UC856860  Navarretia divaricata Lewis S. Rose 1940-6-1 40431 Nevada 2 mi s Grass Valley 670 Comment
  UCSB28393  Navarretia divaricata Hardham, Clare 1974-5-20 Nevada Hell's Half Acre; Ridge Rd. and Rt. 20; West of Grass Valley Comment
  UC702968  Navarretia divaricata subsp. vividior Lewis S. Rose 1940-6-1 40431 Nevada 3 mi s Grass Valley 670 Comment
  UC726843  Navarretia divaricata subsp. vividior A. A. Heller 1919-5-25 13197 Nevada Grass Valley Comment
  UC125980  Navarretia filicaulis A. A. Heller 1905-7-14 8111 Nevada near Grass Valley Comment
  SEINET11266083  Navarretia intertexta subsp. intertexta George Helmkamp, E. A. Helmkamp 2011-6-2 17423 Nevada Northern Sierra Nevada Mountains Foothills: Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley (Grass Valley 7.5' Q).; 0 727 Comment
  UCR242558  Navarretia intertexta subsp. intertexta George K. Helmkamp, E. A. Helmkamp 2011-6-2 17423 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  CHSC76194  Nemophila heterophylla L. Constance; J. L. Morrison 1938-4-30 2174 Nevada Squirrel Creek near Rough and Ready 4 miles west of Grass Valley, Sierra Nevada foothills. 609 Comment
  JEPS3222  Nemophila heterophylla L. Constance, J. L. Morrison 1938-4-30 2174 Nevada Squirrel Creek near Rough and Ready 4 mi w Grass Valley (Sierra Nevada foothills); , w of Grass Valley, Squirrel Creek 609 Comment
  UC606927  Nemophila heterophylla L. Constance, J. L. Morrison 1938-4-30 2174 Nevada Squirrel Creek near Rough and Ready 4 mi w Grass Valley (Sierra Nevada foothills); , Squirrel Creek nr Rough and Ready 609 Comment
  UCD126695  Nicotiana attenuata K. Esau 1933-7-16 s.n. Nevada Grass Valley. Comment
  CDA21246  Oxalis laxa G. F. Hrusa, D. Kelch 2007-4-19 16966 Nevada Sierra Nevada Foothills; South Yuba River State Park. Parking area on N side of Yuba River. 175 Comment
  RSA299285  Panicum acuminatum var. acuminatum Gordon H. True Jr. 1971-7-1 6855 Nevada Newton Rd. ca. 2 mi. SW of Indian Flat 701 Comment
  UCD63249  Panicum acuminatum var. fasciculatum Daniel Sanchez-Mata 2006-6-19 s.n. Nevada Nevada City. Newton Road. 690 Comment
  UCD63360  Panicum acuminatum var. fasciculatum Daniel Sanchez-Mata 2006-6-20 s.n. Nevada Nevada City. Newton Road. 690 Comment
  UCD81608  Paspalum dilatatum Collector Unknown 1935-9-19 s.n. Nevada Grass Valley. Comment
  UCD88948  Paspalum distichum Gordon H. True; John Thomas Howell 1965-8-25 2572 Nevada Spring Hill, between Grass Valley and Nevada City. 822 Comment
  CHSC43466  Pectocarya pusilla Lowell Ahart 1976-5-6 1096 Nevada Along the edge of the road, about 1 mile south of the McCourtney Dump, south-west of Grass Valley. 762 Comment
  CHSC59357  Pedicularis densiflora Thomas J. Van Wagner 1992-3-13 1 Nevada Ca. 350 m upstream of Long Valley Rd. on Clear Creek. On steep bank with n exposure. Ca. 5.5 km wsw Grass Valley. 510 Comment
  UC1982299  Pedicularis densiflora Virginia Moran 2007-5-8 Nevada Collected from property just east of historic Newtown in wets Nevada County. Parcel east of Avian Way and south of Newtown Road. Comment
  UCD110821  Pedicularis densiflora Christopher Mallek 2008-1 SC1- 20 Nevada Deadman's Flat. 706 Comment
  NY571125  Penstemon azureus var. angustissimus A. A. Heller 1905-7-14 8115 Nevada Near Grass Valley Comment
  NY571126  Penstemon azureus var. angustissimus A. A. Heller 1905-7-14 8115 Nevada Near Grass Valley Comment
  UC139043  Penstemon azureus var. angustissimus A. A. Heller 1905-7-14 8115 Nevada near Grass Valley; near Grass Valley Comment
  UC690240  Penstemon azureus var. angustissimus David D. Keck 1932-7-1 1606 Nevada 1 mi n Grass Valley; Sierra Nevada, n of Grass Valley 762 Comment
  UC887121  Penstemon laetus var. leptosepalus Alice Eastwood Jun 20 1912-Jun 22 1912 503 Nevada Grass Valley Comment
  CAS-BOT-BC71681  Pentagramma triangularis subsp. triangularis Gordon H. True 1967-6-29 3639 Nevada Hells Half Acre, just west of Grass Valley on Hwy. 20 792 Comment
  CAS-BOT-BC211266  Perideridia bacigalupii Gordon H. True; John Thomas Howell 1970-7-16 6103 Nevada American Ranch Hill, 4 miles south-west of Grass Valley on McCourtney 731 Comment
  CAS-BOT-BC211267  Perideridia bacigalupii Gordon H. True; J. T. Howell 1969-4-9 4798 Nevada American Ranch Hill, 4 mi. SW Grass Valley on McCourtney Rd. 731 Comment
  CAS-BOT-BC211268  Perideridia bacigalupii Gordon H. True 1961-7-14 23 Nevada American Ranch Hill, 6 mi. south west of Grass Valley 670 Comment
  CAS-BOT-BC211269  Perideridia bacigalupii Gordon H. True 1961-8-2 116 Nevada American Ranch Hill, 6 mi. south west of Grass Valley 670 Comment
  CAS-BOT-BC211270  Perideridia bacigalupii Gordon H. True 1961-8-2 132 Nevada Near French Ravine, 5 miles southwest of Grass Valley Comment
  UC1982278  Perideridia bacigalupii Virginia Moran 2007-8-26 Nevada Collected from property just east Reservoir in western Nevada County. Parcel is just east of Rex Reservoir Road. Comment
  UC1982285  Perideridia lemmonii Virginia Moran 2007-8-26 Nevada Collected from property just east Reservoir in western Nevada County. Parcel is just east of Rex Reservoir Road. Comment
  UC1982279  Perideridia parishii Virginia Moran 2007-8-24 Nevada Collected from west side of Rex Reservoir. Comment
  CDA21251  Petrorhagia dubia G. F. Hrusa, D. Kelch 2007-4-19 16971 Nevada Sierra Nevada Foothills; South Yuba River State Park. N side of Yuba River 175 Comment
  CDA21256  Phacelia cicutaria var. cicutaria G. F. Hrusa, D. Kelch 2007-4-19 16976 Nevada Sierra Nevada Foothills; South Yuba River State Park on N side of Yuba River. 175 Comment
  UCD120600  Phacelia imbricata W. W. Robbins 1926-4-17 511 Nevada Grass Valley. Comment
  CAS-BOT-BC77380  Philadelphus lewisii Lester Rowntree 1935-6-14 s.n. Nevada Above Grass Valley Comment
  SBBG35419  Phlox speciosa E. G. Maxwell -Jun-1969 700 -3 Nevada near Grass Valley Comment
  CDA21235  Phlox speciosa subsp. occidentalis G. F. Hrusa, D. Kelch 2007-4-19 16955 Nevada Sierra Nevada Foothills; 3-4 mi. W of Grass Valley along Hwy 20. 749 Comment
  JEPS69980  Phlox speciosa subsp. occidentalis Willis L. Jepson 1892-4-15 14988 Nevada Rough & Ready Comment
  CAS-BOT-BC134912  Phoradendron bolleanum Gordon H. True; J. T. Howell 1965-7-15 2309 Nevada Ridge Road just W of Hughes Road intersection, Grass Valley. Sierra Nevada 807 Comment
  UCD102030  Phoradendron bolleanum John Thomas Howell 1965-7-15 2309 Nevada West of Hughes Road intersection, Grass Valley, Sierra Nevada. 807 Comment
  CDA22376  Phoradendron densum J. T. Howell, G. H. True 1965-7-15 2309 Nevada Grass Valley. Comment
  CAS-BOT-BC171144  Phoradendron serotinum subsp. tomentosum Gordon H. True 1961-11-21 298 Nevada 7 miles SW of Grass Valley on McCourtney Road. Sierra Nevada 548 Comment
  UC279873  Phytolacca americana N. I. Grauer 1924-9-21 Sierra Grass Valley Comment
  SEINET741791 Image available Pickeringia montana M. F. Wojciechowski, K. P. Steele 2000-7-2 956 Nevada Near Grass Valley, just south of junction of Wolf Mountain and McCourtney Roads (on Lookout Road) 1585 Comment
  CAS-BOT-BC206928  Pickeringia montana var. montana Alice Eastwood 1932-8-9 18817 Nevada Near Golf Links, Grass Valley. Comment
  CAS-BOT-BC206929  Pickeringia montana var. montana Alice Eastwood 1932-8-9 18817 Nevada Near Golf Links, Grass Valley. Comment
  CAS-BOT-BC207298  Pickeringia montana var. montana Gordon H. True 1971-6-7 6655 Nevada American Ranch Hill, 5 miles southwest of Grass Valley on McCourtney Road 701 Comment
  CHSC108409  Pickeringia montana var. montana LeRoy Gross; Valentin Arvizu, Virginia Moran 2007-1-20 2593 Nevada Sierra Nevada; Northern Sierra Nevada region: Sierra Nevada Foothills. Place called Hells Half Acre. West of Grass Valley, just south of Hwy. 20 toward Rough and Ready, north of a community called The Oaks. Entrance off Adam Road. 777 Comment
  CHSC82386  Pickeringia montana var. montana Lowell Ahart 2002-5-28 9669 Nevada About 25 yards northeast of the intersection of Patterson Valley Road and McCourtney Road, about one mile east of the intersection of Indian Springs Road and McCourtney Road, about 6 miles southwest of Grass Valley. 518 Comment
  JEPS103470  Pickeringia montana var. montana Lowell Ahart 2002-5-28 9669 Nevada About 25 yards NE of the intersection of Patterson Valley Road and McCourtney Road, ca one mile E of the intersection of Indian Springs Road and McCourtney Road, ca 6 miles SW of Grass Valley. 518 Comment
  POM225847  Pickeringia montana var. montana Alice Eastwood 1932-8-9 18817 Nevada Near golf links, Grass Valley. Comment
  RSA224345  Pickeringia montana var. montana Alice Eastwood 1932-8-9 18817 Nevada Near golf links, Grass Valley. Comment
  RSA723082  Pickeringia montana var. montana LeRoy Gross, Valentin Arvizu, Virginia Moran 2007-1-20 2593 Nevada Sierra Nevada foothills. Place called Hells Half Acre. West of Grass Valley, just south of Hwy. 20 toward Rough and Ready, north of a community called The Oaks. Entrance off Adam Road. 777 Comment
  UC1922445  Pickeringia montana var. montana LeRoy Gross, Valentin Arvizu, Virginia Moran 2007-1-20 2593 Nevada [Sierra Nevada; Northern Sierra Nevada region]; Sierra Nevada foothills. Place called Hells Half Acre. West of Grass Valley, just south of Hwy. 20 toward Rough and Ready, north of a community called The Oaks. Entrance off Adam Road. Near 777 Comment
  UC517413  Pickeringia montana var. montana Alice Eastwood 1932-8-9 18817 Nevada near Golf Links; Grass Valley Comment
  UCR198404  Pickeringia montana var. montana LeRoy Gross, V. Arvizu, Virginia Moran 2007-1-20 2593 Nevada Northern Sierra Nevada Range, foothills, Hells Half Acre west of Grass Valley, just south of Hwy 20 toward Rough and Ready, north of The Oaks community entrance off Adam Road 777 Comment
  CAS-BOT-BC73076  Pinus lambertiana Gordon H. True 1970-3-16 5215 Nevada James hill 3 1/3 mi. SW of Grass Valley on McCourtney Rd., just E of French Ravine. 670 Comment
  UCD134682  Pinus lambertiana Gordon H. True 1970-3-16 5215 Nevada James Hill 3.5 mi. SW of Grass Valley on McCourtney Rd. just E of French Ravine. 670 Comment
  CDA89  Pinus ponderosa D. G. Kelch 2007-4-2 7 .169 Nevada Hwy 20 roadside; W of Grass Valley. (waypoint 114). Comment
  CAS-BOT-BC72797  Pinus sabiniana Alice Eastwood 1918-4-8 s.n. Nevada Grass Valley Comment
  CAS-BOT-BC72799  Pinus sabiniana Elmer I. Applegate 1898-2-13 s.n. Nevada Grass Valley Comment
  SD257221  Plagiobothrys fulvus var. campestris George K. Helmkamp 2014-4-17 22742 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA 49 in Grass Valley. 729 Comment
  SEINET13203115 Image available Plagiobothrys fulvus var. campestris George K. Helmkamp 2014-1 22742 Nevada Northern Sierra Nevada Mountains Foothills: along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley (Grass Valley 7.5' Q.) 728 Comment
  UCD120825  Plagiobothrys fulvus var. campestris W. W. Robbins 1926-4-17 531 Nevada Grass Valley. Comment
  UCR257156  Plagiobothrys fulvus var. campestris George K. Helmkamp 2014-4-17 22742 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley 729 Comment
  CHSC47465  Plantago erecta Lowell Ahart 1976-4-10 1050 Nevada At the intersection of Indian Spring Road and McCourtney Road. 457 Comment
  UCD110827  Platanthera dilatata var. leucostachys Christopher Mallek 2008-1 SC2- 15 Nevada Deadman's Flat. 706 Comment
  UCD90586  Poa bolanderi subsp. bolanderi W. R. Powell 1968-7-2 1591 Plumas along road southeast side of Little Grass Valley Reservoir, 3 miles north-northeast of La Porte. 1554 Comment
  CDA21232  Poa bulbosa G. F. Hrusa, D. Kelch 2007-4-19 16952 Nevada Sierra Nevada; 3-4 mi. W of Grass Valley along Hwy 20. 749 Comment
  UCR257149  Poa bulbosa George K. Helmkamp 2014-4-17 22748 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley 729 Comment
  CAS-BOT-BC255085  Poa compressa Gordon H. True 1962-7-3 768 Nevada 1.5 miles SW of Grass Valley, on McCourtney Road 701 Comment
  UCD91970  Poa pratensis C. J. W. 1913-6-1 421 Nevada Grass Valley. Comment
  UCD91976  Poa pratensis Elizabeth Wilson 1933-6-1 s.n. Nevada Grass Valley area. Comment
  UCD92025  Poa secunda subsp. secunda E. W. Taylor 1933-6-1 s.n. Nevada Grass Valley Area. Comment
  CAS-BOT-BC167809  Polygala cornuta var. cornuta Gordon H. True 1961-7-8 7 Nevada 4 mi. south west of Grass Valley 670 Comment
  CAS-BOT-BC167813  Polygala cornuta var. cornuta A. A. Heller 1905-7-14 s.n. Nevada Near Grass Valley Comment
  UC1101183  Polygonum hydropiper Malcolm A. Nobs and S. Galen Smith 1949-8-22 1525 Nevada on Hwy 24 11 mi n Nevada-Placer County line (along creek); Cherry Creek Comment
  CAS-BOT-BC419833  Polygonum parryi Gordon H. True; J. T. Howell 1967-6-14 3610 Nevada Just west of Grass Valley on Hwy. 20 at Ridge Rd., Hells Half Acre 792 Comment
  SJSU12165  Prunus mahaleb N. B. Yeager 1985-4-4 Nevada off Skyline Dr, Grass Valley 670 Comment
  CAS-BOT-BC154637  Prunus subcordata Lillian Mott 1968-4-22 868 Nevada Grass Valley. Helen Liotta yard Comment
  CAS-BOT-BC154639  Prunus subcordata Gordon H. True 1969-5-24 5016 Nevada Hells Half Acre just west of Grass Valley at Hwy. 20 & Ridge Rd. 792 Comment
  CAS-BOT-BC154641  Prunus subcordata Gordon H. True 1968-4-18 4180 Nevada Hells Half acre just west of Grass Valley on Hwy. 20 at Ridge Rd. 792 Comment
  UCD113516  Prunus subcordata W. W. Robbins 1926-4-17 529 Nevada Grass Valley. Comment
  UCR257089  Quercus douglasii George K. Helmkamp 2014-4-17 22745 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley 729 Comment
  CAS-BOT-BC93976  Quercus durata John Thomas Howell; R. C. Barneby 1954-5-13 29535 Nevada Grass Valley 731 Comment
  CAS-BOT-BC93977  Quercus durata Gordon H. True 1961-11-20 300 Nevada Head of Slate Creek on Ridge Road, Grass Valley Comment
  UCD45895  Quercus durata Gordon H. True 1961-11-20 300 Nevada Head of Slate Creek on Ridge Road, Grass Valley, Nevada Co. Comment
  UC196574  Quercus garryana H. M. Hall 1916-6-10 10185 Nevada 2 mi w Grass Valley; Sierra Nevada Mountains 731 Comment
  CAS-BOT-BC94262  Quercus garryana var. breweri Gordon H. True 1961-10-8 294 Nevada 6 miles SW of Grass Valley, on McCourtney Rd, at American Ranch Hill 701 Comment
  CAS-BOT-BC94263  Quercus garryana var. breweri Gordon H. True; John Thomas Howell 1971-5-24 6549 Nevada American Ranch Hill, 5 miles SW of Grass Valley on McCourtney Road 701 Comment
  UC196563  Quercus garryana var. breweri H. M. Hall 1916-6-10 10186 Nevada 2 mi w Grass Valley 731 Comment
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Jul 31 2010
  CHSC104765  Quercus garryana var. semota L. P. Janeway; B. Castro, Cyndi Brinkhurst, Karen Callahan, 2010-5-31 9988 Nevada Northern High Sierra Nevada. Below the Nevada County Animal Shelter, east slope of American Ranch Hill about, 80 m east of McCourtney Road, about 5.6 km southwest of Grass Valley. 685 Comment
  UCD46158  Quercus garryana var. semota N. French 1933-8-4 90 Nevada Grass Valley. 762 Comment
  UCD46163  Quercus garryana var. semota Gordon H. True 1961-10-8 294 Nevada 6 miles southwest of Grass Valley, American Ranch Hill. 701 Comment
  CAS-BOT-BC104987  Quercus wislizeni Gordon H. True 1970-3-16 5214 Nevada American Ranch Hill 4 mi SW of Grass Valley on McCourtney Rd. 731 Comment
  UCD47589  Quercus wislizeni Gordon H. True 1970-3-16 5214 Nevada American Ranch Hill, 4 mi. SW of Grass Valley on Mc Courtney Rd. 731 Comment
  UCD47598  Quercus wislizeni D. H. Hartmann 1941-10-11 s.n. Nevada 4 mi. west of Grass Valley, Nevada Co. Comment
  JEPS55177  Ranunculus occidentalis Willis L. Jepson 1892-4-13 Nevada Deer Creek Ridge Comment
  UCD96947  Ranunculus occidentalis W. W. Robbins 1926-4-17 514 Nevada Grass Valley. Comment
  UCR257152  Ranunculus occidentalis George K. Helmkamp 2014-4-17 22738 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley 729 Comment
  CAS-BOT-BC56021  Rhamnus ilicifolia Lillian S. Mott 1968-7-15 2568 Nevada Hell's Half Acre Comment
  JEPS100680  Rhamnus ilicifolia Dean W. Taylor 1995-8-5 15374 Nevada Scadden Flat near Grass Valley (Hwy 20 ca. 2 miles W of Hwy 49) 731 Comment
  UCD112338  Rhamnus ilicifolia W. W. Robbins 1926-4-17 523 Nevada Grass Valley. Comment
  UC592832  Rhamnus rubra C. B. Wolf and B. D. Stark 1933-9-25 Nevada 2 mi w Grass Valley (on road to Rough and Ready, w slope of Sierra Nevada); Sierra Nevada 762 Comment
  UC726708  Rhamnus rubra A. A. Heller 1919-5-25 13209 Nevada Grass Valley Comment
  RSA7560  Rhamnus rubra subsp. obtusissima Carl B. Wolf, B. D. Stark 1933-9-25 5498 Nevada 2 miles W of Grass Valley on road to Rough Ready apparently deciduous, 50% of bank yellow on shed W slope of Sierra Nevada 762 Comment
  SEINET4142654 Image available Rhamnus tomentella subsp. tomentella George K. Helmkamp, E. A. Helmkamp 2011-6-2 17414 Nevada Northern Sierra Nevada Mountain Foothills: Along CA-20, 1.5 miles W of junction with CA-49 in Grass Valley 727 Comment
  UC144495  Rhamnus tomentella subsp. tomentella A. A. Heller 1905-6-14 8104 Nevada near Grass Valley Comment
  UC870777  Rhamnus tomentella subsp. tomentella Lewis S. Rose 1939-6-5 39205 Nevada 2 mi w Grass Valley 716 Comment
  UCR242578  Rhamnus tomentella subsp. tomentella George K. Helmkamp, E. A. Helmkamp 2011-6-2 17414 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  UCD117917  Rhododendron occidentale C. J. W. 1913-6-17 38 Nevada Grass Valley. Comment
  SD131004  Rhynchospora capitellata Gordon H. True 1973-7-23 7615 Nevada Scadden Flat, just west of Grass Valley, at head of Squirrel Creek. Occasional in boggy area. 730 Comment
  CAS-BOT-BC111920  Rhynchospora glomerata var. capitellata Gordon H. True 1973-6-19 7590 Nevada Scadden Flat just west of Grass Valley at head of Squirrel Creek 731 Comment
  CAS-BOT-BC111921  Rhynchospora glomerata var. capitellata Gordon H. True 1973-7-23 7615 Nevada Scadden Flat just west of Grass Valley at head of Squirrel Creek 731 Comment
  GH363994  Ribes californicum J. M. Bigelow 1853-5-20 Unknown Grass Valley Comment
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Jul 22 2018
  CAS-BOT-BC363054  Rigiopappus leptocladus Gordon H. True 1963-5-12 1236 Nevada Just west of Grass Valley on Marysville Highway 792 Comment
  GH345875  Rosa californica J. M. Bigelow May 2 1853-4 2 Unknown Grass Valley Comment
  UCD113395  Rosa canina J. A. Sheldahl 1968-5-18 56 Nevada Grass Valley. 792 Comment
  UCR258768  Rosa eglanteria George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20035 Placer Sierra Nevada Mountains Foothills, CA-49 at junction with Christian Life Way, c. 2 miles south of Grass Valley 755 Comment
  CAS-BOT-BC146867  Rosa rubiginosa Daniel Campbell; Gordon H. True 1975-8-31 7931 Nevada Scadden Flat just west of Grass Valley at head of Squirrel Creek 731 Comment
  CAS-BOT-BC146887  Rosa rubiginosa Gordon H. True 1973-5-20 7514 Nevada Scaden Flat just west of Grass Valley at head of Squirrel Creek 731 Comment
  CAS-BOT-BC146889  Rosa rubiginosa Gordon H. True 1969-5-24 5015 Nevada Hells Half Acre, just west of Grass Valley at Hwy. 20 & Ridge Rd. 792 Comment
  CAS-BOT-BC148045  Rubus leucodermis Gordon H. True 1971-6-7 6657 Nevada American Ranch Hill, 5 miles southwest of Grass Valley on McCourtney Road - Sierra Nevada 701 Comment
  UCD100991  Rumex acetosella C. J. W. 1913-6-1 80 Nevada Grass Valley. Comment
  CAS-BOT-BC445739  Sagittaria latifolia Gordon H. True; John Thomas Howell 1973-7-30 7625 Nevada Scadden Flat just west of Grass Valley at head of Squirrel Creek. 731 Comment
  CAS-BOT-BC103233  Salix bonplandiana Gordon H. True 1968-10-25 4733 Nevada Bitney's Corner ca. 2 mi. west of Grass Valley on Hwy 20 at Newtown Rd. 701 Comment
  CAS-BOT-BC103234  Salix bonplandiana Gordon H. True 1968-7-9 4333 Nevada Rough and Ready Road ca. 2 miles north of Rough and Ready 1158 Comment
  CAS-BOT-BC103236  Salix bonplandiana Gordon H. True 1968-7-9 4335 Nevada Rough and Ready Road ca. 2 miles north of Rough and Ready 1158 Comment
  CAS-BOT-BC103238  Salix bonplandiana Gordon H. True 1968-7-9 4334 Nevada Rough and Ready Road ca. 2 miles north of Rough and Ready 1158 Comment
  CAS-BOT-BC103242  Salix bonplandiana Gordon H. True 1968-4-18 4188 Nevada Rough and Ready Road 2 miles north of Rough & Ready 1158 Comment
  CAS-BOT-BC103243  Salix bonplandiana Gordon H. True 1968-4-18 4189 Nevada Rough and Ready Road 2 miles north of Rough & Ready 1158 Comment
  CAS-BOT-BC129729  Salix bonplandiana Gordon H. True 1968-7-9 4340 Nevada Bitney's Corner ca. 2 miels west of Grass Valley on Hwy. 20 at Newtown Rd. 701 Comment
  CAS-BOT-BC129731  Salix bonplandiana Gordon H. True 1968-7-9 4333 Nevada Rough and Ready Road ca. 2 miles north of Rough and Ready. 1158 Comment
  CAS-BOT-BC129734  Salix bonplandiana Gordon H. True 1968-7-9 4337 Nevada Bitney's Corner ca. 2 miles west of Grass Valley on Hwy. 20 at Newtown Rd. 701 Comment
  CAS-BOT-BC129763  Salix bonplandiana Gordon H. True 1968-4-18 4187 Nevada Rough and Ready Road 2 miles north of Rough and Ready 1158 Comment
  CAS-BOT-BC129764  Salix bonplandiana Gordon H. True 1968-4-4 4134 Nevada Bitneys Corner ca. 2 miles west of Grass Valley on hwy. 20 at Newtown Rd. 701 Comment
  CAS-BOT-BC103870  Salix exigua Gordon H. True 1968-4-18 4175 Nevada Hells Half acre just west of Grass Valley on Hwy. 20 at Ridge Road 792 Comment
  CAS-BOT-BC108001  Salix exigua Gordon H. True; John Thomas Howell 1967-6-14 3609 Nevada Just west of Grass Valley on Hwy. 20 at Ridge Rd., Hells Half Acre, ditch bank. 792 Comment
  SD130402  Salix gooddingii Gordon H. True, John Thomas Howell 1967-6-14 3609 Nevada Ditch bank, just west of Grass Valley on Hwy. 20 at Ridge Road, Hells Half Acre 792 Comment
  JEPS38397  Salix laevigata Willis L. Jepson 1892-4-15 22 s Nevada Randolph Flat Comment
  CAS-BOT-BC125283  Salix lasiandra var. lasiandra Gordon H. True 1968-4-4 4126 Nevada Hells [HalfAcre] Half Acre, just west of Grass Valley on Hwy. 20 at Ridge Rd. 792 Comment
  CAS-BOT-BC107052  Salix lasiolepis Gordon H. True 1968-4-4 4133 Nevada Bitneys Corner ca. 2 miles west of Grass Valley on Hwy. 20 at Newtown Rd. 701 Comment
  JEPS13838  Salix lasiolepis Willis L. Jepson 1892-4-15 22 s Nevada Randolph Flat Comment
  RSA273202  Salix lasiolepis Glenn A. Gorelick 1966-4-17 s.n. Nevada Forest Research Lab (hi elev). Grass Valley. Comment
  CAS-BOT-BC107157  Salix lasiolepis var. bigelovii Gordon H. True 1968-4-4 4127 Nevada Hells Half Acre, just west of Grass Valley on Hwy. 20 at Ridge Rd. 792 Comment
  CAS-BOT-BC128491  Salix lasiolepis var. lasiolepis Gordon H. True 1971-4-9 6456 Nevada Hells Half Acre just west of Grass Valley on Highway 20 at Ridge Rd. 792 Comment
  CAS-BOT-BC128497  Salix lasiolepis var. lasiolepis Gordon H. True 1968-4-4 4137 Nevada Bitneys Corner ca. 2 miles west of Grass Valley on Hwy. 20 at Newton Rd. 701 Comment
  CAS-BOT-BC128498  Salix lasiolepis var. lasiolepis Gordon H. True 1968-7-9 4338 Nevada Bitneys Corner ca. 2 miles west of Grass Valley on Hwy. 20 at Newton Rd. 701 Comment
  CAS-BOT-BC128499  Salix lasiolepis var. lasiolepis Gordon H. True 1968-7-9 4336 Nevada Bitneys Corner ca. 2 miles west of Grass Valley on Hwy. 20 at Newton Rd. 701 Comment
  CAS-BOT-BC225174  Salvia sonomensis H. M. Hall; F. M. Essig 1916-6-10 10184 Nevada Near Grass Valley, westerly slope Sierra Nevada 730 Comment
  CAS-BOT-BC225175  Salvia sonomensis H. M. Hall; F. M. Essig 1916-6-10 10184 Nevada Near Grass Valley, westerly slope Sierra Nevada 730 Comment
  CAS-BOT-BC225176  Salvia sonomensis Gordon H. True 1962-4-20 416 Nevada American Ranch Hill, 5.5 miles south west of Grass Valley, McCourtney Road, Sierra Nevada 701 Comment
  CAS-BOT-BC225177  Salvia sonomensis A. A. Heller 1919-5-25 13207 Nevada Near Grass Valley Comment
  CAS-BOT-BC225178  Salvia sonomensis A. A. Heller 1919-5-25 13207 Nevada Near Grass Valley Comment
  GH403495  Salvia sonomensis A. A. Heller 1919-5-25 13207 Unknown Near Grass Valley Comment
  GH403503  Salvia sonomensis H. M. Hall & F. M. Essig 1916-6-10 10184 Unknown Near Grass Valley, westerly slope Sierra Nevada Comment
  POM118269  Salvia sonomensis H. M. Hall 1916-6-10 10184 Nevada Near Grass Valley, on the westerly slope of the Sierra Nevada 700 Comment
  RSA134825  Salvia sonomensis Harlan Lewis, C. Epling 1941-5-26 s.n. Nevada Grass Valley Comment
  UC1018229  Salvia sonomensis H. Lewis and C. Epling 1941-5-26 Nevada Grass Valley Comment
  UC198964  Salvia sonomensis H. M. Hall and F. M. Essig 1916-6-10 10184 Nevada near Grass Valley (w slope of Sierra Nevada); Sierra Valley 730 Comment
  UC726680  Salvia sonomensis A. A. Heller 1919-5-25 13207 Nevada Grass Valley Comment
  UC883989  Salvia sonomensis Lewis S. Rose 1940-6-1 40432 Nevada 3 mi s Grass Valley 670 Comment
  UCLA69728  Salvia sonomensis C. Epling Jun 1938 Nevada 3 mi w Grass Valley (highway) Comment
  UCLA69731  Salvia sonomensis C. Epling Jun 1938 Nevada 3 mi w Grass Valley (highway) Comment
  JEPS74308  Salvia virgata Lillian Mott Jul 1972 Nevada just e Grass Valley (on Empire Mine property) 792 Comment
  SBBG50439  Salvia virgata L. Mott -Jul-1972 Nevada Empire Mine property, just E of Grass Valley 792 Comment
  UC1419838  Salvia virgata G. D. Barbe, T. C. Fuller 1972-6-8 964 Nevada s side Grass Valley (Empire Mine property, end of Stacey Lane, off Highway 49) Comment
  CDA21234  Sanicula bipinnatifida G. F. Hrusa, D. Kelch 2007-4-19 16954 Nevada Sierra Nevada Foothills; 3-4 mi. W of Grass Valley along Hwy 20. 749 Comment
  SEINET13203123 Image available Sanicula bipinnatifida George K. Helmkamp 2014-1 22740 Nevada Northern Sierra Nevada Mountains Foothills: along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley (Grass Valley 7.5' Q.) 728 Comment
  UCD110825  Sanicula bipinnatifida Christopher Mallek 2008-1 SC2- 13 Nevada Deadman's Flat. 706 Comment
  UCR257153  Sanicula bipinnatifida George K. Helmkamp 2014-4-17 22740 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley 729 Comment
  UCD111112  Sanicula tuberosa Christopher Mallek 2008-1 SC2- 11 Nevada Deadman's Flat. 706 Comment
  CDA21239  Scandix pecten-veneris G. F. Hrusa, D. Kelch 2007-4-19 16959 Nevada Sierra Nevada Foothills; Serpentine outcrop 3-4 mi. W of Grass Valley along Hwy 20. 749 Comment
  CAS-BOT-BC283115  Schedonorus arundinaceus Gordon H. True 1973-6-6 7550 Nevada Scadden Flat, just west of Grass valley at head of Squirrel Creek, Sierra Nevada 731 Comment
  CAS-BOT-BC30735  Scirpus diffusus Gordon H. True 1973-7-10 7603 Nevada Scadden Flat, just west of Grass Valley at head of Squirrel Creek 731 Comment
  CAS-BOT-BC243504  Scribneria bolanderi Gordon H. True; John Thomas Howell 1971-6-30 6719 Nevada Hells Half Acre just west of Grass Valley on Highway 20 at Ridge Road 792 Comment
  CAS-BOT-BC243505  Scribneria bolanderi Gordon H. True; John Thomas Howell 1967-6-13 3602 Nevada 4.8 miles sw of Grass Valley on McCourtney Road 670 Comment
  CHSC105483  Scribneria bolanderi L. P. Janeway; C. Brinkhust, B. Castro, K. Callahan, B. Willson 2010-5-31 9986 Nevada Northern High Sierra Nevada. Below the nevada County Animal Shelter, east slope of American Ranch , about 170 m east of McCourtney Road, about 5.6 km southwest of Grass Valley. 685 Comment
  RSA299282  Scribneria bolanderi G. H. True, J. T. Howell 1971-6-30 6719 Nevada Hells Half Acre just west of Grass Valley on Hwy. 20 at Ridge Road. 793 Comment
  UC1982303  Scutellaria antirrhinoides Virginia Moran 2007-6-4 Nevada Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road. Comment
  CDA21229  Senecio vulgaris G. F. Hrusa, D. Kelch 2007-4-19 16949 Nevada Sierra Nevada Foothills; 3-4 mi. W of Grass Valley along Hwy 20. 749 Comment
  CHSC114310  Senecio vulgaris G. F. Hrusa; D. Kelch 2007-4-19 16949 Nevada Sierra Nevada foothills. Serpentine outcrop 3 - 4 mi. W of Grass Valley along Hwy 20. 749 Comment
  GH420808  Sidalcea asprella H. M. Hall & F. M. Essig 1916-6-7 10163 Unknown Near Grass Valley, western Nevada County, Sierra Nevada Mountains Comment
  CHSC104774  Sidalcea asprella subsp. asprella L. P. Janeway; B. Castro, Cyndi Brinkhurst, Karen Callahan, 2010-5-31 9984 Nevada Northern High Sierra Nevada. Osceola Ridge and South Pondero-sa Way, about 0.6 km north of Hwy 20; about 4.8 km west of Grass Valley. 732 Comment
  UC725320  Sidalcea hartwegii A. A. Heller 1919-5-25 13198 Nevada Grass Valley Comment
  UC198965  Sidalcea malviflora subsp. asprella H. M. Hall and F. M. Essig 1916-6-7 10163 Nevada near Grass Valley (western Nevada County); Sierra Nevada Mountains, near Grass Valley 850 Comment
  UCR242595  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp 2011-6-2 17413 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  CAS-BOT-BC213193  Sidalcea stipularis Gordon H. True; John Thomas Howell 1974-5-31 7677 Nevada Scadden Flat just west of Grass Valley at the head of Squirrel Creek 731 Comment
  CAS-BOT-BC213194  Sidalcea stipularis Gordon H. True; John Thomas Howell 1974-5-31 7677 Nevada Scadden Flat just west of Grass Valley at the head of Squirrel Creek 731 Comment
  CAS-BOT-BC213195  Sidalcea stipularis Gordon H. True 1973-7-23 7616 Nevada Scadden Flat just west of Grass Valley at the head of Squirrel Creek 731 Comment
  CAS-BOT-BC213196  Sidalcea stipularis Gordon H. True 1973-7-23 7616 Nevada Scadden Flat just west of Grass Valley at the head of Squirrel Creek, Sierra Nevada 731 Comment
  CAS-BOT-BC213197  Sidalcea stipularis Gordon H. True 1973-7-10 7605 Nevada Scadden Flat just west of Grass Valley at the head of Squirrel Creek 731 Comment
  CAS-BOT-BC213198  Sidalcea stipularis Gordon H. True 1973-7-10 7605 Nevada Scadden Flat just west of Grass Valley at the head of Squirrel Creek 731 Comment
  CAS-BOT-BC311791  Sidalcea stipularis Gordon H. True 1973-7-23 7616 Nevada Scadden Flat, just west of Grass Valley on Squirrel Creek 731 Comment
  CAS-BOT-BC5788  Sidalcea stipularis Gordon H. True; John Thomas Howell 1973-7-30 7630 Nevada Scadden Flat just west of Grass Valley at head of Squirrel Creek 731 Comment
  CAS-BOT-BC5789  Sidalcea stipularis Gordon H. True; John Thomas Howell 1973-7-30 7630 Nevada Scadden Flat just west of Grass Valley at head of Squirrel Creek 731 Comment
  CHSC43866  Sidalcea stipularis Gordon H. True 1973-7-23 7616 Nevada Scadden Flat, just west of Grass Valley on Squirrel Creek. 731 Comment
  GH420924  Sidalcea stipularis G. H. True & J. T. Howell 1974-5-31 7677 Unknown just west of Grass Valley at head of Squirrel Creek 731 Comment
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Jul 31 2018
  GH58112  Sidalcea stipularis G. H. True & J. T. Howell 1973-7-30 7630 Unknown Scadden Flat just west of Grass Valley at head of Squirrel Creek, 2400 feet Comment
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Jul 31 2018
  JEPS100678  Sidalcea stipularis Dean W. Taylor 1995-8-5 15373 Nevada Scadden Flat near Grass Valley (Hwy 20 ca. 2 miles W of Hwy 49) 731 Comment
  JEPS97952  Sidalcea stipularis K. Andreasen 1998-9-2 287 Nevada W [of] Grass Valley (at mile pole 11.23, Scadden Flat, S of Hwy 20,) Comment
  NY222072  Sidalcea stipularis G. H. True Jr. 1973-7-30 7630 Nevada Scadden Flat just west of Grass Valley at head of Squirrel Creek 731.5 Comment
  RSA0074172  Sidalcea stipularis L. M. Prince 2005-9-14 s.n. Nevada [No location information on label.] Comment
  RSA0074173  Sidalcea stipularis L. M. Prince 2005-9-14 s.n. Nevada [No location information on label.] Comment
  RSA0074174  Sidalcea stipularis L. M. Prince 2005-9-14 s.n. Nevada [No location information on label.] Comment
  RSA0074181  Sidalcea stipularis L. M. Prince 2005-9-14 s.n. Nevada [No location information on label.] Comment
  RSA309602  Sidalcea stipularis G. H. True, J. T. Howell 1974-5-31 s.n. Nevada Scadden Flat, just west of Grass Valley at head of Squirrel Creek 732 Comment
  RSA309603  Sidalcea stipularis G. H. True 1973-7-10 s.n. Nevada Scadden Flat, just west of Grass Valley at head of Squirrel Creek 732 Comment
  SEINET770692 Image available Sidalcea stipularis True, Howell 1973-7-30 7630 Nevada Scadden Flat, just west of Grass Valley at head of Squirrel Creek 732 Comment
  UC1506447 Image available Sidalcea stipularis Gordon H. True and John Thomas Howell 1973-7-30 7630 Nevada just w Grass Valley (at head of creek); Squirrel Creek, Scadden Flat; Scadden Flat at head of Squirrel Creek, Nevada Co. 731 Comment
  UC1755050  Sidalcea stipularis Dean W. Taylor 1995-8-5 15373 Nevada Scadden Flat near Grass Valley (Hwy 20 ca. 2 miles W of Hwy 49) 731 Comment
  UCD116759  Sidalcea stipularis Gordon H. True 1973-7-23 7616 Nevada Scadden Flat, just west of Grass Valley on Squirrel Creek. Comment
  CAS-BOT-BC384560  Silene bridgesii A. A. Heller 1905-7-14 s.n. Nevada Near Grass Valley Comment
  UCD99007  Silene laciniata subsp. californica W. W. Robbins 1926-4-17 515 Nevada Grass Valley. Comment
  SEINET13203116 Image available Sisyrinchium bellum George K. Helmkamp 2014-1 22743 Nevada Northern Sierra Nevada Mountains Foothills: along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley (Grass Valley 7.5' Q.) 728 Comment
  UCR257157  Sisyrinchium bellum George K. Helmkamp 2014-4-17 22743 Nevada Northern Sierra Nevada Mountains Foothills, along CA-120, 2.3 miles west of its junction with CA-49 in Grass Valley 729 Comment
  CAS-BOT-BC365105  Solidago velutina subsp. californica Gordon H. True 1970-9-16 6419 Nevada Hell's Half Acre on Highway 20 at Ridge Road just west of Grass Valley 792 Comment
  UC36224  Solidago velutina subsp. californica Miss F. Doom 1882-1 Nevada Grass Valley Comment
  UC36226  Solidago velutina subsp. californica Miss F. Doom 1882-1 Nevada Grass Valley Comment
  CAS-BOT-BC236551  Sorghum halepense Gordon H. True 1961-8-2 133 Nevada Near French Ravine, 5 mi. south west of Grass Valley 670 Comment
  RSA299297  Sorghum halepense Gordon H. True Jr. 1961-8-2 133 Nevada Near French Ravine, 5 mi southwest of Grass Valley 671 Comment
  UCD92764  Sorghum halepense E. W. Taylor 1933-6-1 s.n. Nevada Near Grass Valley. Comment
  GH422257  Streptanthus polygaloides A. A. Heller 1905-7-14 8100 Unknown Near Grass Valley Comment
  CAS-BOT-BC87748  Streptanthus tortuosus A. A. Heller 1919-5-25 13201 Nevada Near Grass Valley. Comment
  CAS-BOT-BC87749  Streptanthus tortuosus A. A. Heller 1919-5-25 13201 Nevada Near Grass Valley. Comment
  CAS-BOT-BC87754  Streptanthus tortuosus Gordon H. True; Lillian Mott 1963-5-31 1258 Nevada Sierra Nevada. Just west of Grass Valley. At intersection of Marysville Highway and Ridge Road. 792 Comment
  CAS-BOT-BC87756  Streptanthus tortuosus Alice Eastwood 1912-6-20 502 Nevada Grass Valley. 731 Comment
  GH422348  Streptanthus tortuosus A. Eastwood 1912-06-20 - 1912-06-22 502 Unknown Grass Valley Comment
  GH422369  Streptanthus tortuosus A. A. Heller 1919-5-25 13201 Unknown Near Grass Valley Comment
  UC1601621  Streptanthus tortuosus Alice Eastwood Jun 20 1912-Jun 22 1912 502 Nevada Grass Valley Comment
  UC726681  Streptanthus tortuosus var. suffrutescens A. A. Heller 1919-5-25 13201 Nevada Grass Valley Comment
  JEPS118604  Symphyotrichum ascendens Karen I. Callahan and Cindy Rubin 2010-11-3 0021 Nevada Northern Sierra Nevada Foothills. Location is two miles south of Grass Valley on the southeast side of Highway 49 at the La Barr Meadows exit. Grass Valley 7.5' Quad. Comment
  CHSC107435  Symphyotrichum chilense Karen Callahan; Cindy Rubin 2010-11-3 21 Nevada Northern Sierra Nevada Foothills. Location is two miles south of Grass Valley on the southeast side of Hwy. 49 at the La Barr Meadows exit. 701 Comment
  CAS-BOT-BC98045  Symphyotrichum lentum Gordon H. True 1961-9-11 245 Nevada Near Empire Mine, eastern limits of Grass Valley 792 Comment
  CAS-BOT-BC526865  Taeniatherum caput-medusae George K. Helmkamp; Elizabeth Helmkamp 2013-5-30 20720 Nevada Northern Sierra Nevada Mountains Foothills: along Hwy CA-20, 3.5 mi W of CA-49 in Grass Valley 623 Comment
  RSA794864  Taeniatherum caput-medusae George K. Helmkamp, E. A. Helmkamp 2011-6-2 17432 Nevada Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley 627 Comment
  CAS-BOT-BC399740  Thalictrum polycarpum Gordon H. True 1963-5-12 1240 Nevada Just west of Grass Valley on Marysville Highway 792 Comment
  CAS-BOT-BC66523  Thysanocarpus curvipes A. A. Heller 1938-5-7 15065 Nevada 2 miles west of Grass Valley. 762 Comment
  UCD116046  Thysanocarpus radians W. W. Robbins 1926-4-17 533 Nevada Grass Valley. Comment
  CDA21247  Toxicodendron diversilobum G. F. Hrusa, D. Kelch 2007-4-19 16967 Nevada Sierra Nevada Foothills; South Yuba River State Park on N side of Yuba River. 175 Comment
  CHSC104775  Toxicoscordion venenosum var. venenosum L. P. Janeway; B. Castro, Cyndi Brinkhurst, Karen Callahan, 2010-5-31 9983 Nevada Northern High Sierra Nevada. Osceola Ridge about 0.6 km north of Hwy 20, along the Pipeline 'Road' about 180 m east of South Ponderosa Way; about 4.8 km west of Grass Valley. 720 Comment
  CHSC90619  Tragopogon porrifolius J. Lund 1980-5-10 78 Nevada On South Auburn Street on the southern edge of Grass Valley. On a hill above the road. 762 Comment
  UCLA54745  Trichostema oblongum C. Epling, H. Lewis 1941-5-25 Nevada Grass Valley Comment
  UCD39962  Tridens flavus Collector Unknown 1941-1 s.n. Placer Below Grass Valley. Sent to Margaret Ensign at the UC Davis Division of Botany for identification. Comment
  CDA21231  Trifolium dubium G. F. Hrusa, D. Kelch 2007-4-19 16951 Nevada Sierra Nevada Foothills; 3-4 mi. W of Grass Valley along Hwy 20. 749 Comment
  UC631175  Trifolium dubium A. A. Heller 1919-5-24 13215 Nevada near Grass Valley Comment
  CDA18399  Trifolium glomeratum G. D. Barbe, P. Hiatt 1980-6-3 2792 Nevada Sierra Nevada; End of Stacey Lane, southern side of Grass Valley, Empire Mine property. Comment
  CHSC89296  Trifolium glomeratum G. Douglas Barbe; P. Hiatt 1980-6-3 2792 Nevada Sierra Nevada Foothills. At end of Stacey Lane, southern side of Grass Valley, Empire Mine property. [Original lat./long. on label is '39 12 N; 121 3 W']. 500 Comment
  UCR231307  Trifolium incarnatum George K. Helmkamp, E. A. Helmkamp 2011-5-26 17402 Nevada Northern Sierra Nevada Mountains Foothills, Grass Valley, church driveway at CA-49, about 0.2 mile south of Old White Toll Road 747 Comment
  CHSC43383  Trifolium microdon Lowell Ahart 1976-5-6 1097 Nevada In a small grassy depression near the edge of the road, about 1 mile south of the McCourtney Dump, south-west of Grass Valley. 762 Comment
  JEPS81872  Trifolium striatum P. Hiatt, G. D. Barbe 1980-6-3 2791 Nevada Grass Valley, East Main Street at Dorsey Drive, at entrance to Litten Industries complex Dorsey Drive; Grass Valley, Dorsey Drive Comment
  UCR231306  Trifolium subterraneum George K. Helmkamp, E. A. Helmkamp 2011-5-26 17403 Nevada Northern Sierra Nevada Mountains Foothills, Grass Valley, church driveway at CA-49, about 0.2 mile south of Old White Toll Road 747 Comment
  UCD109424  Trifolium variegatum E. W. Taylor 1932-5-1 s.n. Nevada Near Grass Valley. Comment
  CHSC59355  Triphysaria eriantha Thomas J. Van Wagner 1992-4-15 21 Nevada Between and at junction of Ridge Rd. and Rough and Ready Highway and adjacent to Grass Valley Irrigation Ditch, ca. 4 km from central Grass Valley. 780 Comment
  UCD123388  Triphysaria eriantha W. W. Robbins 1926-4-17 532 Nevada Grass Valley. Comment
  CHSC28845  Triphysaria eriantha subsp. eriantha Jeffrey M. Lund 1979-4-10 2 Nevada 0.3 miles north of Bear river on highway 20 south of Nevada City. Located on edge of roadside. 457 Comment
  JEPS86066  Triphysaria eriantha subsp. eriantha L. R. Heckard 1972-5-12 5855 Nevada (Mill St. Jct.) across from Banner Grange on McCourtney road ca 2 mi sw Grass Valley Comment
  UCR242579  Triteleia hyacinthina George K. Helmkamp, E. A. Helmkamp 2011-6-2 17416 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 1.5 miles west of its junction with CA-49 in Grass Valley 727 Comment
  UCD139353  Triteleia ixioides subsp. unifolia C. J. W. 1913-6-1 35 Nevada Grass Valley. Comment
  UCR234654  Triteleia laxa George K. Helmkamp, E. A. Helmkamp 2011-6-2 17433 Nevada Northern Sierra Nevada Mountains Foothills, Along CA-20, 3.3 miles west of its junction with CA-49 in Grass Valley 627 Comment
  UCR256650  Triteleia laxa George K. Helmkamp, Elizabeth Helmkamp 2013-5-30 20718 A Nevada Northern Sierra Nevada Mountains Foothills, along Hwy CA-20, 3.5 miles west of CA-49 in Grass Valley 623 Comment
  CDA21236  Triticum aestivum G. F. Hrusa, D. Kelch 2007-4-19 16956 Nevada Sierra Nevada Foothills; 3-4 mi. W of Grass Valley along Hwy 20. 749 Comment
  CDA21253  Triticum aestivum G. F. Hrusa, D. Kelch 2007-4-19 16973 Nevada Sierra Nevada Foothills; South Yuba River State Park. Steep slopes on N side of Yuba River with foothill woodland/chaparral mosaic of Quercus wislizeni, douglasii, Pinus sabiniana. On roadside above river, disturbed area. Annual. 175 Comment
  CHSC114691  Triticum aestivum G. F. Hrusa; D. Kelch 2007-4-19 16973 Nevada Sierra Nevada Foothills. South Yuba River State Park. Steep slopes on N side of Yuba River. On roadside above river. 175 Comment
  UCD108655  Ulex europaeus Ted Niehaus 1959-4-3 22 Nevada 100 yards south of powder house, Boyce Thompson Institute of Plant Research property, Grass Valley. Comment
  A381323  Umbellularia californica A. Eastwood 1918-4-8 Unknown Grass Valley Comment
  CAS-BOT-BC91209  Umbellularia californica Alice Eastwood 1918-4-8 s.n. Nevada Grass Valley. 731 Comment
  CAS-BOT-BC381781  Uropappus lindleyi Gordon H. True 1963-5-12 1237 Nevada Just west of Grass Valley on Marysville Highway 792 Comment
  UCD124678  Verbascum blattaria K. Esau 1933-7-16 s.n. Nevada Grass Valley. Comment
  UCD124735  Verbascum thapsus C. J. W. 1913-6-14 33 Nevada Grass Valley. Comment
  CDA21243  Vicia benghalensis G. F. Hrusa, D. Kelch 2007-4-19 16963 Nevada Sierra Nevada Foothills; 3-4 mi. W of Grass Valley along Hwy 20. 749 Comment
  CDA21250  Vicia sativa subsp. nigra G. F. Hrusa, D. Kelch 2007-4-19 16970 Nevada Sierra Nevada Foothills; South Yuba River State Park. N side of Yuba River 175 Comment
  UCD108835  Vicia tetrasperma E. Wilson 1933-6-1 s.n. Nevada Grass Valley area. Comment
  CHSC59360  Viola douglasii Thomas J. Van Wagner 1992-3-28 3 Nevada Upstream from Long Valley Rd. along north bank Clear Creek. Ca. 5 km wsw Grass Valley. 485 Comment
  GH381920  Viola purpurea A. Eastwood 1912-06-20 - 1912-06-22 501 Unknown Grass Valley Comment
  GH341823  Vulpia microstachys A. A. Heller 1919-5-25 13219 Unknown Near Grass Valley Comment
  UCD93833  Vulpia microstachys var. ciliata A. A. Heller 1919-5-25 13219 Nevada near Grass Valley. Comment
  CAS-BOT-BC183739  Vulpia microstachys var. confusa Gordon H. True 1967-6-29 3630 Nevada Hells Half Acre, just west of Grass Valley on Hwy 20 792 Comment
  CAS-BOT-BC183740  Vulpia microstachys var. confusa Gordon H. True; J. T. Howell 1967-6-14 3606 Nevada Just west of Grass Valley on Hwy. 20 at Ridge Rd., Hells Half Acre 792 Comment
  CAS-BOT-BC184009  Vulpia microstachys var. microstachys A. A. Heller 1919-5-25 13219 Nevada Near Grass Valley Comment
  CAS-BOT-BC184011  Vulpia microstachys var. microstachys A. A. Heller 1919-5-25 13219 Nevada Near Grass Valley Comment
  CAS-BOT-BC184409  Vulpia microstachys var. pauciflora Gordon H. True; J. T. Howell 1967-6-14 3607 Nevada Just west of Grass Valley on Hwy. 20 at Ridge Rd., Hells Half Acre 792 Comment
  CAS-BOT-BC184416  Vulpia microstachys var. pauciflora Gordon H. True 1963-5-12 1242 Nevada Just west of Grass Valley on Marysville Highway 792 Comment
  CDA21242  Wyethia bolanderi G. F. Hrusa, D. Kelch 2007-4-19 16962 Nevada Sierra Nevada Foothills; 3-4 mi. W of Grass Valley along Hwy 20. 749 Comment
  UC1982297  Zigadenus venenosus Virginia Moran 2007-5-10 Nevada Collected from property just east of historic Newtown in west Nevada County. Parcel just east of Avian Way and south of Newtown Road. Collected from west drainage. Drains west across Avian Way. Comment



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