Search Results — 2000 specimen records retrieved (1622 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=BUTTE; Source=All;   
Map/download results:

BerkeleyMapper with layers and yellow flags

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CHSC27264  Casuarina equisetifolia P. Moyer 1971-2-1 76 Butte CSUC campus. Cherry St. on sidewalk behind Engineering Bldg. 60 Comment
  CHSC106060  Cotinus coggygria Lowell Ahart; Susan Mason, Josephine Guardino 2010-8-6 17044 Butte In landscaping, at Five Mile Recreation Area, Bidwell Park, Chico. 74 Comment
  UC2026881  Magnolia Lowell Ahart, John Dittes, Josephine Guardino 2012-4-6 17810 Butte On the north side of Big Chico Creek, Lost Park in Bidwell Park, City of Chico. Comment
  SEINET10529816  Pityrogramma pallida Mary Susan Taylor 1980-3-30 Taylor 2413 Butte Upper Bidwell Park, Chico. 244 Comment
  SEINET10529837  Pityrogramma triangularis Mary Susan Taylor 1979-5-4 Taylor 1981 Butte T21N R6E sec 10. Millsap Bar Campground, ca. 9 mi NE of junction of Millsap Bar Road with Brush Creek Road, ca. 26 mi NE of Oroville; Yellow Pine Forest with limestone outcrops. 1006 Comment
  SEINET10529839  Pityrogramma triangularis Mary Susan Taylor 1979-5-4 Taylor 1991 Butte T21N R6E sec 10. Millsap Bar Campground, ca. 9 mi NE of junction of Millsap Bar Road with Brush Creek Road, ca. 26 mi NE of Oroville; Yellow Pine Forest with limestone outcrops. 1006 Comment
  SEINET10529964  Pityrogramma triangularis var. semipallida Mary Susan Taylor 1980-3-8 Taylor 2374 Butte Pulga community, ca. 1 mi NE of Hwy 70, ca. 28 mi NE of Oroville; serpentine soils. 488 Comment
  SEINET8726507 Image available Schmaltzia trilobata A. A. Heller 1915-1 11773 Butte Rock creek 12 miles northeast of Chico at the lower limit of the digger pine belt. Comment
  CHSC3007  Tilia americana Carl Pejsa 1958-4-19 113 Butte Bidwell Park Forestry Station. Comment
  CAS-BOT-BC238622  Sambucus nigra subsp. caerulea A. A. Heller 1914-4-27 11326 Butte 8 miles north of Oroville Comment
  SEINET12320802  Sambucus caerulea Unknown 1974-1 s.n. Butte ca 6mi NE of Chico Municipal Airport on Cohasset Rd 518 Comment
  CHSC64246  Camassia quamash subsp. quamash S. C. Morey 1983-8-3 699 Butte Chico Meadows. On e side of Scout Rd., ca. 1 mi n of its jct with Humboldt Rd. at Butte Meadows. 1292 Comment
  CHSC19948  Chlorogalum pomeridianum var. pomeridianum M. S. Taylor 1975-3-10 406 Butte Above Butte Creek, ca. 1/4 mi w of Covered Bridge, ca. 6 mi e of Chico. 243 Comment
  CHSC49648  Chlorogalum angustifolium Vernon Oswald 1985-5-1 1740 Butte Upper Bidwell Park, Chico, near the n boundary ca 500 ft e of the Omicron Enclosure. 86 Comment
  CHSC100808  Hastingsia alba R. A. Schlising 1980-7-8 3864 Butte Several miles NE of Butte Meadows, just north of Butte Creek and west of Cherry Hill Campground. 1402 Comment
  UCD137972  Damasonium californicum L. Ahart 1974-5-12 451 Butte along Central House Road, near Honcut. 30 Comment
  UCD137960  Echinodorus berteroi W. W. Robbins 1931-9-3 2253 Butte Biggs. Comment
  CDA13832  Sagittaria longiloba G. F. Hrusa, T. D. Wilfred 1996-9-5 13560 Butte Butte Basin; Wet bank of White's Drain at edge of rice fields E 1/4 mi. from Butte Creek at Western Canal District Dam. Perennial, flowers white. Not common here. Comment
  CHSC116328  Sagittaria sanfordii Lowell Ahart 2015-10-24 20586 Butte Bottom of a large canal, on both sides of Gilstrap Avenue, about 400 yards north of where Gilstrap Avenue makes a 'S' turn, about 2 miles (air) from the center of Gridley. 19 Comment
  CHSC44433  Sagittaria longiloba Carl Wick 1988-6-17 Butte Rice field, south of Grainland Road, west of Agua Fria Road (Goodspeed Watt Road), south of Dayton. 39 Comment
  CDA13909  Allium jepsonii G. F. Hrusa, T. D. Wilfred 1997-7-3 13990 Butte Sierra Nevada; Little Butte Creek, N of Magalia. Immed. E of Holmwood Drive. Comment
  CHSC27792  Allium amplectens Rod Bunday 1978-4-25 16 Butte Ca. 200 ft w of Cohasset Rd ca. 12 mi ne of East Ave. between Chico and Cohasset. 304 Comment
  CHSC28049  Allium jepsonii J. D. Jokerst 1978-6-22 151 Butte T22N, R4E, sect. 17. [no other locality information given] Comment
  CHSC36906  Allium amplectens Marc Hayes; R. Schlising 1978-5-22 3266 Butte NW part of county, n of Chico; along Cohasset Hwy, 4.3 mi n o f Mud Creek. Comment
  CHSC36947  Allium obtusum var. conspicuum D. Burk; R. A. Schlising, K. Tharp 1982-6-16 4297 Butte NE part of county, NE of Oroville and Oroville-Quincy Hwy; at corner of Walker Plains. 1554 Comment
  CHSC46523  Allium cratericola Lowell Ahart; Jim Jokerst 1985-3-24 4863 Butte West of Lunt Road, about 1/2 mile north of the intersection of Lunt Road and Highway 70, north of Yankee Hill. 518 Comment
  POM219305  Allium campanulatum H. F. Copeland 1931-6-9 1511 Butte Jonesville. Comment
  RSA337392  Allium membranaceum Lowell Ahart, P. Ahart 1984-6-10 4698 Butte About 2 miles SW of Forbestown Diversion Dam, NE of Forbestown. 700 Comment
  RSA770536  Allium jepsonii S. Mashayekhi, M. Biabani 2010-6-11 SM 061 Butte 0.29 miles north on Andy Mt. Road with its junction of Hwy 70. West side of road. 955 Comment
  SBBG40363  Allium amplectens J. Ingram 1960-4-6 299 Butte Neal Rd, ca. 6 mi S of Paradise Comment
  UC398901  Allium campanulatum E. B. Copeland 1929-7-3 350 Butte Jonesville 1550 Comment
  CAS-BOT-BC466720  Allium cratericola Freed W. Hoffman 1951-3-19 3771 Butte Table Mountain, 6.2 miles north of Oroville-Chico Highway Comment
  SEINET10872298  Allium membranaceum Lowell Ahart, Peter Ahart 1984-6-10 Ahart 4698 Butte About 2 mi SW of Forbestown Diversion Dam, NE of Forbestown; Yellow Pine Forest; 700 m. 700 Comment
  SEINET3153878  Allium attenuifolium K. Conger 1907-1 sn Butte Brush Creek Comment
  SEINET3884203  Allium amplectens D. W. McNeal, Todd McIntyre 1989-4-18 3367 Butte Beside Highway #70 4.5 miles south of the jct. of Highway #162 in Oroville.; 0 Comment
  CHSC113151  Amaranthus albus Lowell Ahart 2013-11-13 19227 Butte Below the high water line of Lake Oroville, about 30 yards west of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 244 Comment
  CHSC21247  Amaranthus retroflexus M. S. Taylor 1975-6-21 777 Butte In field at end of Citrus Ave, between 11th and 12th aves, Chico. 60 Comment
  CHSC51345  Amaranthus californicus Vernon Oswald 1990-8-14 4432 Butte West branch of Lake Oroville, Lime Saddle Recreation Area, Nelson Bar access, near the Lime Saddle Powerhouse. 259 Comment
  CHSC97733  Amaranthus californicus Lowell Ahart 2007-11-3 14572 Butte Below the high water line of Lake Oroville, about 1/2 mile east of the Power House below Kunckle Reservoir, about 3/4 mile north of the Lime Saddle Campground, about 5 1/4 miles (air) southeast of Paradise. 257 Comment
  UC1563277  Amaranthus californicus Lowell Ahart 1990-9-30 6602 Butte below Canyon Creek Bridge across Lake Oroville (along the edges of Canyon Creek); Lake Oroville, Canyon Creek 228 Comment
  UCD169384  Amaranthus deflexus Lowell Ahart 2004-9-28 11404 Butte On the south side of the Oroville Chico Highway, west of Butte Creek, about 1 1/8 miles southeast of the Midway, about 2 1/8 miles (air) northeast of Durham, about 3 1/2 miles (air) southeast of Chico. 57 Comment
  UCD97758  Amaranthus retroflexus L. E. Hazeltine 1916-7-21 Butte Chico. Comment
  SEINET10478813  Amaranthus blitoides Mary Susan Taylor Taylor 774 Butte Weedy or cultivated plants of Chico. 61 Comment
  CHSC3864  Leucojum aestivum Gary Dutton 1966-3-16 121 Butte C. S. C., N. E. of science bld. Along Chico Creek. Comment
  CHSC3169  Narcissus pseudonarcissus Dona Kingsford 1966-3-12 Butte Yard at 528 W. 3rd. Street, Chico. Comment
  CHSC103705  Rhus aromatica Lowell Ahart 2010-5-14 16674 Butte On the south side of the Guardian Trail, about 1/4 mile west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico. 301 Comment
  UC1609009  Rhus trilobata Lowell Ahart 1993-8-4 6929 Butte 2.5 mi s Oroville Airport (e side of gravel road, e of Feather River); Oroville Wildlife Area 30 Comment
  CHSC1961  Angelica californica R. M. Staley 1952-7-16 Butte Honey Run. 121 Comment
  SD3474  Angelica arguta var. breweri E. B. Copeland 1930-7-21 Butte Jonesville 1650 Comment
  CHSC1950  Anthriscus caucalis A. Goekler 1929-5-15 Butte Bidwell Park. 60 Comment
  SEINET10873865  Anthriscus scandicina Mary Susan Taylor 1975-4-25 Taylor 497 Butte Ca. 1/4 to 1/2 mi E of Cohasset Hwy, along dirt rd leading up onto ridge, ca. 10 mi NE of Chico. Soil wet red clay. Mixed Chaparral. Comment
  CHSC25276  Apium graveolens K. R. Stern 1977-4-25 Butte Comment
  CHSC42577  Conium maculatum Vernon Oswald 1983-6-28 781 Butte Along roadways at Graylodge Waterfowl Management Area near Parking Lot 16. Comment
  CHSC105534  Cymopterus terebinthinus var. californicus Lowell Ahart 2010-9-21 17233 Butte On dry rocky dark soil, on both sides of the dirt County Road, between the Sky High Mine and Dresser Camp, about 2 miles (air) southeast of the Philbrook Resevoir Dam, about 7 miles (air) southeast of Butte Meadows. Comment
  CHSC105788  Daucus carota Lowell Ahart 2010-9-13 17153 -A Butte Open dry areas, Oroville Wildlife Area, about 1/2 mile west of Pacific Heights Road, about 3 1/2 miles (air) northwest of Palermo. 31 Comment
  SEINET10454791  Daucus carota Mary Susan Taylor 1982-8-16 Taylor 4986 Butte T23N R3E sw/sw sec 30. Paradise E quad. In Mixed Evergreen Forest; on edge of serpentine outcrop, just s of old RR Xing over Coutelenc Rd, at the Skyway, Magalia. 2400 ft. Comment
  CHSC42580  Foeniculum vulgare Vernon Oswald 1985-7-5 1883 Butte Hwy 32 nw of Chico at the Mud Creek Diversion Channel. 44 Comment
  CHSC11878  Heracleum lanatum E. B. Copeland 1930-6-29 665 Butte Jonesville. 1500 Comment
  CHSC13852  Lomatium utriculatum J. A. Guichard 1973-4-4 14 Butte Area above Chico Creek between Salmon Hole and Devils Kitchen. 182 Comment
  CHSC27673  Lomatium utriculatum Robert A. Schlising 1978-4-23 3226 Butte Magalia; serpentine outcrop just S of Magalia Reservoir and W of S. T. RR and Coutelenc Road. Comment
  HSC66090  Lomatium dasycarpum subsp. tomentosum M. S. Taylor 1980-3-30 2412 Butte N side of Big Chico Creek, Salmon Hole, Upper Bidwell Park, Chico 244 Comment
  SEINET10906779  Lomatium utriculatum Mary Susan Taylor 1982-5-2 Taylor 4392 Butte T23N R5E ne/ne sec 6. Pulga Sw quad. Pulga serpentine outcrops on both sides of bridge across Hwy 70 at Pulga, ca. 20 mi ne of Oroville. 1600 ft. 488 Comment
  UCD150870  Lomatium caruifolium var. denticulatum W. R. Powell 1968-4-22 1464 Butte 3 miles north of Honcut. 32 Comment
  SEINET10454521  Osmorhiza chilensis Mary Susan Taylor 1981-5-14 Taylor 3712 Butte 3200 ft. T21N R6E ne/ne sec 5, Brush Creek quad. S side of 22N49, at jct where creek crosses the rd (next creek E of Little Ram Creek), ca. 1 mi SW of the rds jct with Four Mile Ridge Rd, ca. 0.5 mi N of Mountain House on Oroville-Quincy Hwy. 975 Comment
  SEINET10840954  Osmorhiza chilensis Mary Susan Taylor 1977-6-25 Taylor 1378 Butte Foothill Woodland-Yellow Pine Forest transition zone, on Ponderosa Way betwe en Cohasset and Forest Ranch. 610 Comment
  CHSC40238  Perideridia parishii subsp. latifolia Vernon Oswald 1985-7-11 1897 b Butte Coon Hollow Rd. ca. 0.2 mi e of Humbug Rd. at the W. Branch of the Feather R. 1615 Comment
  CHSC40241  Perideridia parishii subsp. latifolia Vernon Oswald 1985-7-11 1898 Butte Philbrook Rd. ca. 0.1 mi e of Humbug Rd. at the road leading to W. Branch Camp. 1463 Comment
  CHSC40308  Perideridia lemmonii Lowell Ahart 1985-8-11 5160 Butte Along the south side of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 3 miles east of Honcut, about 12 miles south of Oroville. 45 Comment
  JEPS107522  Perideridia lemmonii Lowell Ahart 2005-7-12 12143 Butte About 40 yards south of Encina Grade Road (Bloomer Hill Road) (Forest Road 21N39), about 40 yards east of Forest Road 21N40, about 3/4 mile (air) west of Bloomer Hill, about 6 miles west of Oroville Quincy Highway 822 Comment
  RSA0116107  Perideridia lemmonii Lowell A. Ahart 2014-7-13 19667 Butte About 150 yards southeast of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir. 1638 Comment
  CAS-BOT-BC223244  Sanicula bipinnatifida Mrs. C. C. Bruce 1898-5-1 2051 Butte Big Chico Comment
  CHSC42669  Sanicula tuberosa Vernon Oswald 1985-6-17 1841 Butte Beside a logging road 0.1 mi e of the trailhead to Feather Falls. 768 Comment
  CHSC60574  Sanicula tracyi Vernon H. Oswald; Lowell Ahart 1993-4-19 5278 Butte Rattlesnake Creek Trail from JordanHill Rd. to Sawmill Pk. Lookout, ENE of Magalia. 701 Comment
  CHSC64407  Sanicula tuberosa B. Castro; L. Janeway 1994-7-6 523 Butte Ca 1.5 air mi ENE of Feather Falls (the falls), ca 1 mi W of Jackson Ranch, on main E-W ridge, a few yards off S edge of USFS Rd 21N25Y. 1143 Comment
  CHSC8623  Sanicula bipinnata D. Patten 1968-3-4 59 Butte Collected 1 1/2 mi. se of Chico along Skyway. 91 Comment
  UC195452  Sanicula bipinnatifida A. A. Heller 1914-3-18 11206 Butte 8 mi n of Oroville (near w base of Table Mountain); Table Mountain Comment
  UC600515  Sanicula graveolens H. F. Copeland 1932-7-16 Butte a little W of the summit Jonesville Comment
  HSC43089  Sanicula bipinnatifida Maralyn O'Meara 1974-4-20 289 Butte Along Pentz Rd. 300 yds. S of the intersection with Clark Rd. 76 Comment
  SEINET10873886  Sanicula bipinnata Mary Susan Taylor 1980-3-1 Taylor 2324 Butte T21N R2E se 1/4 sec 15 and ne 1/4 sec 22. Hamlin Canyon quad. West end of Chico City Dump, on N side of Neal Rd, ca. 1 mi E of Hwy 99, ca. 7 mi S of Chico. 76 Comment
  CHSC4182  Scandix pecten-veneris Kathy Sommarstrom 1967-4-15 30 Butte Found to the right side of Honey Run Rd in front of new bridge next to covered bridge. 76 Comment
  CHSC64061  Sphenosciadium capitellatum B. Castro; R. A. Schlising, L. P. Janeway 1988-7-23 278 Butte Nr Scotts John Ck 2.7 mi N of the Butte Ck Rd. Edge of Ck. 1920 Comment
  HSC72761  Tauschia kelloggii M. S. Taylor 1981-4-8 3517 Butte Plumas NF; Between Ponderosa Way & Concow Road, ~.10 mi. S of their junction, 2 mi. N of Lake Concow. 976 Comment
  JEPS115296  Torilis arvensis subsp. purpurea Lowell Ahart 2009-5-8 15653 Butte On the south side of the gravel road, about 10 yards east of Cedar Grove Parking Area in Lower Bidwell Park, Chico 67 Comment
  JEPS87487  Torilis arvensis Lowell Ahart 1993-6-16 6969 Butte about 3.5 (air) mi sw Forbestown (sw of the intersection of Black Bart Road and Forbestown Road) 609 Comment
  UC221663  Torilis nodosa H. E. Brown Apr 1-15 1897 192 Butte near Clear Creek 53 Comment
  CHSC29998  Yabea microcarpa L. Ahart 1980-4-21 Butte Peter Ahart Ranch, Honcut. 50 Comment
  UC174167  Yabea microcarpa Mrs. R. M. Austin May 1896 69 Butte bluffs Little Chico Creek Comment
  CHSC44364  Apocynum cannabinum Lowell Ahart 1988-6-29 6115 Butte Along Rockefeller Road, about 1/2 mile south of the Rockefeller School, about 2-1/2 miles southwest of Big Bald Rock. 762 Comment
  SBBG17264  Asclepias cordifolia M. Vincent 1962-4-19 212 Butte Humbug Rd, 3 mi NE of Centerville Comment
  CHSC44896  Cycladenia humilis var. humilis Lowell Ahart 1988-7-31 6142 Butte On the west side of the dirt road that crosses the West Branch of the Feather River, 2 miles by road northeast of Stirling City. 975 Comment
  CHSC100962  Vinca major Lowell Ahart; Josephine Guardino, Steve Green 2009-2-20 15495 Butte On the north side of the paved road, near the north side of Cedar Grove, Lower Bidwell Park, Chico. 67 Comment
  CHSC6634  Vinca minor M. MacArthur 1968-6-13 353 Butte S edge of Big Chico Creek in rocks N of Dining Hall, Chico State College Campus. 60 Comment
  CHSC43794  Spirodela polyrhiza Vernon Oswald 1984-6-21 1307 Butte Pine Creek at Hwy 32. Along the edge of the creek. 41 Comment
  JEPS124301  Wolffia borealis Lowell Ahart 2015-11-18 20655 Butte About 2 miles southeast of intersection of Palm Avenue and Larkin Road, about 5 miles (air) northeast of Gridley. Comment
  JEPS120074  Hedera helix Lowell Ahart, John Dittes, Josephine Guardino 2012-4-6 17806 Butte On the north side of Big Chico Creek, Lost Park in Bidwell Park, City of Chico. Comment
  CHSC42583  Hydrocotyle umbellata Vernon Oswald 1985-6-26 1865 Butte Oroville Wildlife Area ca. 0.6 mi s of the Hwy 162 entrance. 36 Comment
  CAS-BOT-BC400424  Aristolochia californica Lowell Ahart 1980-3-8 2028 Butte Peter Ahart Ranch, Honcut 50 Comment
  CHSC115  Aristolochia californica F. Roos 1930-3-16 Butte On Oroville road near Chico. 76 Comment
  CHSC27842  Aristolochia californica T. B. Devine 1978-10-15 469 Butte At intersection of Humbug Rd. and Honey Run Rd. 106 Comment
  SFV956  Aristolochia californica M. L. Vincent 1961-3-30 26 Butte Honeyrun Road, 0.5 miles west of Paradise. 579 Comment
  JEPS108150  Asarum lemmonii L. P. Janeway, David Toren, Matt Brown, Jamie Tuitele-Lewis 2005-5-24 8395 Butte Northern High Sierra Nevada. Plumas National Forest; south edge of seepy meadow about 200 m east-northeast of Dogwood Creek; 1.9 km (air) east-southeast of Rag Dump 1134 Comment
  CHSC38314  Achillea millefolium Vernon Oswald 1983-5-27 568 Butte Upper Bidwell Park, Chico, on the s edge of the Golf Course s of Chico Creek. 97 Comment
  HSC68162  Achyrachaena mollis J. P. Smith, J. O. Sawyer 1973-4-14 6044 Butte Bruce Lane, between Skyway and Humboldt Rd., E of Chico. Comment
  CAS-BOT-BC29851  Adenocaulon bicolor A. A. Heller 1917-7-26 12830 Butte Butte Meadows 1280 Comment
  CHSC32364  Agoseris retrorsa J. D. Jokerst 1980-4-7 564 Butte E of the junction of Upper Rocky Honcut Cr and Sweedes Flat Rd. ca 110 m E of the road. Comment
  CHSC382  Agoseris heterophylla var. cryptopleura M. Anthony 1954-4-2 Butte Table Mountain. Comment
Read comments
Jan 19 2011
  CHSC43596  Ambrosia artemisiifolia Vernon Oswald 1987-8-24 3223 Butte Skyway 0.4 mi SW of Toadtown (between DeSabla and Lovelock). 841 Comment
  CHSC76397  Ambrosia artemisiifolia Lowell Ahart; Vernon H. Oswald 1999-10-3 8296 Butte Along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 32 Comment
  CHSC43929  Ancistrocarphus filagineus Vernon Oswald 1988-4-21 3279 Butte Harter's Cherokee Ranch located on the W side of Hwy 99 between Hwy 149 and Dry Creek. 53 Comment
  CAS-BOT-BC84690  Anthemis cotula Helen M. Edwards 1917-6-1 s.n. Butte De Sabla Comment
  CAS-BOT-BC82412  Arnica discoidea Helen M. Edwards 1917-6-1 s.n. Butte De Sabla Comment
  CHSC11836  Arnica dealbata E. B. Copeland 1929-7-18 399 Butte Jonesville. 1550 Comment
  CHSC36393  Arnica dealbata Kirsten Tarp 1981-8-4 68 Butte Scotts John Creek, ca. 29 mi ne of Chico. 1828 Comment
  CHSC65534  Arnica discoidea L. P. Janeway 1995-6-20 4802 Butte Watson Ridge; about 1 mi south of Pompys Point. 1188 Comment
  CAS-BOT-BC90283  Artemisia douglasiana A. A. Heller 1913-9-12 11135 Butte Chico, on Big Chico Creek Comment
  CHSC94568  Artemisia douglasiana Lowell Ahart 2006-9-11 13273 Butte Gravel bar, south side of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  JEPS115156  Artemisia douglasiana Lowell Ahart 2009-11-19 16554 Butte On the east side of Big Chico Creek, southwest of the meadow, about 30 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico 209 Comment
  SEINET10474435  Aster oregonensis subsp. californicus Mary Susan Taylor 1979-9-28 Taylor 2196 Butte Butte County line at Hwy 70, between boundry and Arch Rock tunnel; granitic soils and dome outcrop. 488 Comment
  SEINET10475264  Aster alpigenus subsp. andersonii Mary Susan Taylor 1978-6-24 Taylor 1667 Butte Montane Meadow, on N side of Old Humboldt Road, across the road from Butte Meadows; Yellow Pine Forest. 1372 Comment
  CAS-BOT-BC98759  Baccharis douglasii Lowell Ahart 1981-9-27 3215 Butte Growing on dry dark soil along the edge of a small wash - Palermo 100 Comment
  CHSC56747  Baccharis salicifolia J. D. Jokerst 1980-4-15 Butte Junction of Honey Run Road and Butte Creek. Comment
  SEINET10839232  Baccharis pilularis subsp. consanguinea Lowell Ahart 1985-2-17 Ahart 4838 Butte On red rocky damp soil near Kunkle Res., About 2 miles south of Paradise. Comment
  POM38875  Balsamorhiza deltoidea C. C. Bruce 1897-04 1998 Butte [No locality information provided] Comment
  CAS-BOT-BC102068  Bidens frondosa Lowell Ahart 1981-9-15 3167 Butte Along French Creek 1300 Comment
  CAS-BOT-BC102071  Bidens frondosa A. A. Heller 1913-9-12 11134 Butte Chico, on Big Chico creek Comment
  CHSC28384  Bidens frondosa J. D. Jokerst 1979-10-13 384 Butte Intersection of Concow Cr. and Jordan Hill Rd., 0.8 mi W of Concow Rd. Comment
  CHSC42992  Bidens cernua Lowell Ahart 1987-7-17 5824 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC285  Blennosperma nanum J. Turner 1930-4-18 Butte Chico near Plant Gardens. 54 Comment
  CHSC35627  Blennosperma nanum R. E. Preston 1982-2-18 166 Butte Field on S side of Keefer Lane, ca. 1 mi W of Cohasset Hwy; ca. 6 mi N of downtown Chico. 97 Comment
  NY31004  Blennosperma californicum Mrs. C. C. Bruce 05 1898 2074 Butte Comment
  SEINET11839694  Blennosperma nanum Unknown 1968-1 288 Butte W of N road to Chico Missile Base 61 Comment
  CHSC41920  Brickellia greenei Lowell Ahart 1983-8-16 4281 Butte Along Humboldt Road, Butte Meadows. About 3 miles southwest of Butte Meadows. 1450 Comment
  CAS-BOT-BC106092  Calycadenia oppositifolia A. A. Heller 1926-5-22 13940 Butte Along the Richardson Springs Road three miles north of Chico. Comment
  CAS-BOT-BC106100  Calycadenia oppositifolia H. M. Hall 1914-7-20 9764 Butte Humboldt Road 335 Comment
  CAS-BOT-BC106124  Calycadenia oppositifolia Lowell Ahart 1985-5-15 4979 Butte West of Lunt Road, about 1/2 mile north of the intersection of Lunt Road and Highway 70, north of Yankee Hill 550 Comment
  CAS-BOT-BC275376  Calycadenia truncata var. truncata H. M. Hall 1914-7-18 9756 Butte Little Chico Creek 152 Comment
  CAS-BOT-BC275379  Calycadenia truncata var. truncata David D. Keck; J. Clausen 1935-6-25 3778 Butte 2.2 miles S of Flea Valley on road to Yankee Hill Comment
  CHSC39328  Calycadenia truncata Lowell Ahart 1983-6-26 4153 Butte Along the edge of Ponderosa Way, about 1 1/2 miles southeast of the East Fork of Canyon Creek, about 14 1/2 miles northeast of Oroville. Note: the sign gives Big Ridge Road instead of Ponderosa Way. 575 Comment
  CHSC59105  Calycadenia spicata L. P. Janeway; B. Castro, R. A. Schlising 1992-5-17 4188 Butte Unnamed canyon on the southeast side of Neal Road opposite the upper part of the Butte County Land Fill; ca 1 1/2 mi northeast of Hwy 99. 76 Comment
  JEPS107874  Calycadenia oppositifolia Lowell Ahart 2005-7-12 12136 Butte On the west side of Encina Grade Road (Bloomer Hill Road), about 2 miles (air) southeast of Bloomer Hill, about 2 miles west of Oroville Quincy Highway 623 Comment
  RSA0037495  Calycadenia multiglandulosa Lowell A. Ahart 2013-7-1 18817 Butte About 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 737 Comment
  UC913063  Calycadenia truncata David D. Keck and J. Clausen 1935-6-25 3778 Butte 2.2 mi s, on road to Yankee Hill Flea Valley Comment
  UC1953738  Calycadenia truncata 1984-6-19 2028 Butte 6.6 mi NE of Chico on Hwy 32 (from Hwy 99 jct), very near milepost 17.00 (?=RLC 2268) 397 Comment
  UC1971668  Calycadenia truncata 1977-7-7 2034 Butte 2.3 mi SE of Oroville - Quincy Hwy on Big Ridge Road NW of Oroville 628 Comment
  UCD129760  Calycadenia fremontii R. L. Carr 1978-7-7 792 Butte Northeast of Chico, Upper Bidwell Park (Devils Kitchen), 4.6 miles northeast of Manzanita Ave on Upper Bidwell Canyon Road via Wildwood Ave. 232 Comment
  CHSC106866  Carduus pycnocephalus Lowell Ahart 2011-5-1 17333 Butte North side of the intersection of Georgia Pacific Way and Feather River Blvd, about 100 yards east of Highway 70, about 1 mile south of Oroville. 42 Comment
  JEPS127001  Carduus pycnocephalus subsp. pycnocephalus Lowell Ahart 2016-5-24 20843 Butte About 300 yards southwest of the intersection of Loma Rica Road and La Porte Road, about 3 1/2 miles (air) northeast of Honcut. Comment
  UC1586601  Carduus pycnocephalus subsp. pycnocephalus Vernon H. Oswald and Lowell Ahart 1991-5-13 4587 Butte between Canyon Drive and Oroville Dam Blvd. East (opposite the spillway) Dan Beebe Trail; Lake Oroville Recreation Area 137 Comment
  CHSC69446  Centaurea solstitialis Lowell Ahart 1997-9-6 7885 Butte Near the McNab Cypress grove, near the steel tower power line, along the sides of a logging road, about 1/4 mile west of Rim Road, about 2 miles (air) northeast of Concow Reservoir. 731 Comment
  UCD80049  Centaurea melitensis CNPS SN Foothill Team 2005-5-4 SNFN 0201 f Butte City of Chico, Upper Bidwell Park, on the west side of Big Chico Creek, on an east-facing slope. The plot location is ~1 mile from the end of Upper Park road, and about 110 m upslope of the road. 273 Comment
  CDA7276  Centaurea melitensis L. Ahart 2000-5-31 8414 Butte About 200 yards east of where Kunkle Creek enters Lake Oroville, east of the Kunkle Power House, about 3 miles southeast of Paradise. Comment
  SEINET10473684  Centaurea solstitialis Mary Susan Taylor 1982-8-16 Taylor 4991 Butte T24N R4E sw/se sec 28. Paradise NE quad. S end of Stirling City, along both sides of the Skyway. Mixed Evergreen Forest; 3400 ft. 1036 Comment
  UCD130107  Centaurea stoebe subsp. micranthos Lowell Ahart 1995-10-1 7642 Butte about 150 yards south of where the road crosses the South Fork of the Feather River, northeast of the Feather Fork Mine, about 6 (air) miles northeast of La Porte. 1706 Comment
  CHSC114167  Centromadia fitchii Barbara L. Wilson; Lowell Ahart, Lawrence Janeway, Peter F. Zika 2011-8-5 16790 Butte At junction of Forbestown Road and Oroville Highway (Highway 162). 372 Comment
  UC1594735  Centromadia fitchii Lowell Ahart 1992-9-9 6921 Butte about 0.5 mi se Kunkle Reservoir (Lake Oroville below the high water line); Lake Oroville 243 Comment
  CAS-BOT-BC288039  Cirsium occidentale var. venustum John Thomas Howell 1962-6-15 37430 Butte 4 miles from Paradise on road to Oroville 106 Comment
  SD5918  Cirsium douglasii var. breweri E. B. Copeland 1930-7-28 Butte Jonesville 1600 Comment
  CAS-BOT-BC288036  Cirsium occidentale var. venustum Lowell Ahart 1980-5-25 2328 Butte Along Swedes Flat Road near Bangor, Sierra Nevada 320 Comment
  CAS-BOT-BC286058  Conyza canadensis Lowell Ahart 1986-11-9 5438 Butte About 1/10 mile south of the clay burrow for Oroville Dam, 1/4 mile east of Larkin Road, about 6 miles south-west of Oroville 36 Comment
  JEPS120524  Conyza canadensis L. P. Janeway 2012-10-18 11082 Butte Sacramento Valley. Along Hwy 70 at wheelock Road / Coal Canyon Road. Comment
  CHSC101075  Cotula australis Lowell Ahart 2009-3-9 15497 Butte At the home, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville. 33 Comment
  JEPS98413  Cotula australis Lowell Ahart 2000-3-25 8323 Butte NE of Oroville Post Office (waste area near the W side of the Ehmann Home) 36 Comment
  CAS-BOT-BC376469  Crepis pleurocarpa Lowell Ahart 1988-7-28 6139 Butte Hillside at the north side of the dam at Lost Creek Reservoir 1036 Comment
  SBBG128655  Dittrichia graveolens L. Ahart 2008-11-8 15445 Butte parking area on W side of the Midway, W of intersection of Midway and E Park Avenue, Chico 60 Comment
  HSC104030  Eclipta prostrata L. Ahart 2011-10-29 17718 Butte About 1 mi. NW of Biggs, ~ 500 yds. W of Riceton Highway, on the south side of Biggs Princeton Rd. 27 Comment
  CHSC28774  Ericameria bloomeri J. D. Jokerst 1979-9-23 358 Butte W. slope of Humboldt Peak, 1/4 mi. E. of Humboldt Summit (Humboldt Road). 2042 Comment
  CAS-BOT-BC295419  Erigeron inornatus var. calidipetris E. B. Copeland 1930-8-6 s.n. Butte Jonesville 1550 Comment
  CHSC100519  Erigeron canadensis Lowell Ahart 2008-11-4 15396 Butte Below the high water line of Lake Oroville, about one mile southeast of the large parking area on the north end of Oroville Dam, about 5 miles (air) northeast of Oroville. 263 Comment
  CHSC38345  Erigeron philadelphicus Vernon Oswald 1983-5-1 404 Butte Upper Bidwell Park, Chico, where Yahi Trail borders Chico Creek ca. 800 ft w of the e end of Upper Park Rd. 198 Comment
  CHSC43603  Erigeron inornatus var. inornatus Vernon Oswald 1983-7-6 813 Butte On Humboldt Rd. (to Butte Meadows) 0.6 mi e of its jct. with Calif. Hwy. 32. 1249 Comment
  CHSC44154  Erigeron lassenianus var. lassenianus V. Oswald; L. Ahart 1988-7-26 3617 Butte Snow Mt. region located ca. 6 air mi se of Jonesville. 1996 Comment
  CHSC44371  Erigeron strigosus Lowell Ahart 1988-6-29 6111 Butte Along Bean Creek Road, near camping area along Bean Creek, about 3/4 mile south-west of Johnson Ranch, about 2 1/4 miles south of Little Bald Rock. 548 Comment
  CHSC72437  Erigeron petrophilus var. sierrensis L. P. Janeway 1996-8-20 5071 Butte Coyote Gap; along spur Road 23N72Y 300 ft southwest of the Gap. 1280 Comment
Read comments
Aug 22 2008
  UC426986  Erigeron glacialis var. glacialis E. B. Copeland 1930-7-12 491 Butte above Jonesville 548 Comment
  CAS-BOT-BC295164  Erigeron inornatus Lowell Ahart 1983-7-29 4245 Butte About 1 mile east of Milsap Bar, about 25 miles north-east of Oroville 750 Comment
  CAS-BOT-BC308158  Eriophyllum lanatum var. grandiflorum Peter H. Raven 1963-5-8 18359 Butte Along road to Cohasset north of Chico Comment
  CHSC330  Eriophyllum lanatum var. grandiflorum B. Richardson 1929-4-18 Butte Plains near Chico. 60 Comment
  CHSC86430  Eriophyllum lanatum var. grandiflorum Jenny Marr 1994-6-13 86 Butte Located in Northern Sierra Nevada, north of the town of Magalia, on an exposed serpentine outcrop belonging to LNF. Site approx. 0.3 air miles north of Magalia Reservoir. 759 Comment
  RSA302658  Eriophyllum lanatum var. grandiflorum J. R. Shevock 1972-5-19 1781 Butte Hwy 70, Feather River Canyon. 610 Comment
  UC201314  Eriophyllum lanatum var. grandiflorum A. A. Heller 1917-7-26 12821 Butte Butte Meadows 1402 Comment
  CHSC42756  Euthamia occidentalis Lowell Ahart 1987-8-3 5844 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  RSA724815  Euthamia occidentalis L. Ahart 2006-9-11 13275 Butte South edge of the North Fork of the Feather River, north side of highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 air miles northeast of Oroville. 432 Comment
  UC1948358  Gamochaeta argyrinea John L. Strother with Richard L. Moe 2012-5-17 1373 Butte ca. 8 km southwest of Oroville, east side of Thermalito Afterbay at Larkin Road boatlaunch ramp Comment
  POM222735  Gnaphalium palustre H. F. Copeland 1928-8-17 679 Butte Jonesville. Comment
  SEINET10475272  Gnaphalium thermale Mary Susan Taylor 1979-10-5 Taylor 2233 Butte T23N R4E sec 18. SE side of Paradise Lake (from picnic area to first creek coming into lake, along road), ca. 0.5 mi N of Coutolenc Rd, ca. 5 mi N of Magalia. 732 Comment
  CHSC102958  Grindelia hirsutula var. davyi Lowell Ahart 2009-8-3 16263 Butte On the east side of Big Chico Creek, about 30 yards south of the gate, in the middle of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. 269 Comment
  CHSC116978  Grindelia hirsutula Matthew Forster 2013-5-14 Butte Oroville Spillway, off Oro Powerhouse Rd.,, adjacent to Oroville Spillway. 118 Comment
  OBI21642  Grindelia camporum Tracey and Viola Call, Viola Call 1964-6-28 2310 Butte 5 mi S of the town of Berry Creek, 4 mi N of Feather River 305 Comment
  CHSC45679  Helenium bigelovii Vernon Oswald 1983-7-6 819 Butte Near Scout Rd. 1.2 mi n of Butte Meadows. 1325 Comment
  CAS-BOT-BC306542  Helenium bigelovii A. A. Heller 1938-7-20 15284 Butte At the upper end of Snag Lake, 7 miles east of Chaparral [Chapparel] 1524 Comment
  CAS-BOT-BC314754  Helianthella californica var. nevadensis H. F. Copeland 1920-8-1 192 Butte Jonesville 1219 Comment
  UC600741  Helianthella californica subsp. nevadensis H. F. Copeland 1930-7-26 Butte Jonesville Jonesville (rocky peak above hotel) Comment
  UC897269  Helianthella californica subsp. nevadensis A. A. Heller 1915-5-25 11897 Butte ridge above Enterprise; Sierra Nevada 609 Comment
  CAS-BOT-BC314696  Helianthella californica var. californica A. A. Heller 1915-5-25 11897 Butte Ridge above Enterprise in teh Sierra Nevada 609 Comment
  CHSC76120  Helianthus bolanderi G. F. Hrusa 1997-8-5 14064 Butte Sierra Nevada. Grown in Woodland. Magalia. Immed. N of Magalia Reservoir in N hillside above Little Butte Creek. Accessed off Holmwood Rd. Comment
  CAS-BOT-BC315000  Hemizonella minima Lowell Ahart 1989-5-29 6325 Butte East of Mooreville Ridge about 2 air miles north of the Lost Creek Dam south of the west branch of Pinkard Creek 1188 Comment
  CHSC95066  Hemizonella minima L. P. Janeway 2006-5-28 8645 Butte Northern High Sierra Nevada. 0.6 km east of Concow Road, 1.1 km northeast of Rag Dump, 3.8 mi north of Flea Mountain. Northeast edge of +- exposed granite ridge surrounded by mixed conifer forest. 1248 Comment
  CAS-BOT-BC309783  Hemizonia congesta subsp. luzulifolia A. A. Heller 1913-10-7 11147 Butte Table Mountain Olive Ranch 8 miles north of Oroville 121 Comment
  CHSC46312  Hemizonia congesta subsp. clevelandii Vernon Oswald 1989-5-31 3794 Butte Wurlitzer Unit, Vina Plains Preserve. Near the nw corner of the Unit. 57 Comment
  CAS-BOT-BC310158  Hesperevax caulescens Lowell Ahart 1988-4-29 5964 Butte Near the ditch which was part of the Honcut Flume, on the Joie Osgood Ranch, about 2 miles north and 2 1/2 miles east of Honcut, about 12 miles south-east of Oroville 76 Comment
  CHSC8127  Heterotheca grandiflora K. Henegar 1969-4-17 88 Butte At corner of Pentz and Pentz-Paradise Road. Comment
  CAS-BOT-BC311009  Heterotheca oregona John Thomas Howell 1959-9-20 34620 Butte Eastern outskirt of Oroville on level of Feather River 60 Comment
  CHSC50820  Hieracium scouleri var. scouleri Lowell Ahart 1990-7-19 6572 Butte On the south side of the road, at the Forbestown Reservoir (dam), about 5 miles north-east of Forbestown. 457 Comment
  CAS-BOT-BC319753  Hieracium argutum Lowell Ahart 1983-7-24 4210 Butte Forbestown Res., about 5 miles north-east of Forbestown 450 Comment
  CHSC34036  Holozonia filipes L. Ahart 1981-7-7 2914 Butte On bottom of a small dry stream bed, ca. 1 mi s of the Oroville-Forbestown Rd on the Hurleton Swedes Flat Rd. 600 Comment
  CHSC29270  Hypochaeris glabra R. A. Schlising 1979-6-5 3442 -3 Butte Richvale vernal pools; 1/4 mi s of junction Hwy 162 (e to Oroville) and Hwy 99, along latter and across from Thermalito Afterbay. Comment
  JEPS114712  Hypochaeris glabra Lowell Ahart 2008-5-21 14767 Butte Below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 246 Comment
  CAS-BOT-BC340328  Kyhosia bolanderi A. A. Heller 1914-8-7 11653 Butte Butte Meadows 1219 Comment
  CHSC102617  Lactuca serriola Lowell Ahart 2009-7-9 16024 Butte On the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. 203 Comment
  JEPS115280  Lactuca saligna Lowell Ahart 2008-11-4 15400 Butte Below the high water line of Lake Oroville, about one mile southeast of the large parking area on the north end of Oroville Dam, about 5 miles (air) northeast of Oroville 263 Comment
  JEPS115713  Lactuca scariola var. integrata Lowell Ahart 2009-8-3 16251 Butte On the east side of Ten Mile House Road, just northeast of Guardians Trail, Upper Bidwell Park, about 1/4 mile west of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico 381 Comment
  SEINET5709525 Image available Laennecia coulteri Grady L. Webster, G. Ledyard Stebbins 1967-1 7532 Butte Rancho Llano Seco, near end of west arm of Eddy Lake.; Eddy Lake Comment
  UCD133612  Laennecia coulteri G. L. Webster; G. L. Stebbins 1967-8-27 7532 Butte Rancho Llano Seco, near end of west arm of Eddy Lake. Comment
  CHSC102823  Lagophylla glandulosa Lowell Ahart 2009-7-9 16002 Butte On the east side and in the center of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. 236 Comment
  CHSC72249  Lagophylla glandulosa Lowell Ahart 1998-9-11 8059 Butte Near a wash, about 1/4 mile west of the cattle chute on the west side of Cherokee Road, North Table Mountain, about 7 (air) miles north of Oroville. 388 Comment
  CAS-BOT-BC341302  Lagophylla glandulosa David D. Keck 1930-7-25 974 Butte 6.5 miles east of Oroville on Forbestown road 425 Comment
  CAS-BOT-BC341318  Lagophylla glandulosa A. A. Heller 1915-8-20 12200 Butte 8 miles north of Oroville Comment
  CHSC113441  Lapsana communis Lowell Ahart 2014-7-7 19564 Butte About 5 yards east of the Skyway, about one-mile north of Stirling City. 1142 Comment
  CAS-BOT-BC337909  Lasthenia californica Mrs. J. H. Morrison 1932-3-20 s.n. Butte Durham Comment
  CHSC110444  Lasthenia glaberrima B. Castro 2007-3-29 1619 Butte Sacramento Valley. Ca 0.8 mi SE of Chico Airport, N of Sycamore Creek and E of Cohasset Rd in area of grassland and scattered shallow vernal pools. 57 Comment
  CHSC14014  Lasthenia fremontii G. Notch 1974-4-23 175 Butte Along Broyles Rd., ca. 4 mi w of Hwy 99. 76 Comment
  CHSC46247  Lasthenia glaberrima Vernon Oswald 1989-4-27 3750 Butte Wurlitzer Unit, Vina Plains Preserve. North of the woodland and E of Cana-Pine Creek Rd. 56 Comment
  CHSC90582  Lasthenia californica C. A. Bordin 1983-4-14 13 Butte Ca. 4 mi e of Durham and 0.3 mi w of Hwy 99 to Durham Dayton Hwy and ne corner of Oro Chico Hwy intersection. 54 Comment
  CHSC93346  Lasthenia gracilis Lowell Ahart 2006-5-3 12557 Butte Base of a basalt outcrop, about 1/2 mile north of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 409 Comment
Read comments
Jan 19 2011
  UC1562501  Lasthenia fremontii Barbara Ertter with Lowell Ahart 1986-4-13 5894 Butte ca. 2 airmiles nne Honcut (between Oroville and Marysville); Peter Ahart Ranch 30 Comment
  CAS-BOT-BC337906  Lasthenia californica Jeanne McFarland; Kathie Meyer; Anne Mullenniex 1995-4-9 2 Butte On North Table Mtn., S of Paradise on Cherokee Rd., at the east end of Table Mtn. Proper 381 Comment
  SEINET10473882  Lasthenia californica Mary Susan Taylor 1980-3-1 Taylor 2352 Butte T21N R3E nw 1/4 sec 5. Near Elliot Spring House, S side of Neal Road, ca. 2 mi SW of Paradise. 302 Comment
  CAS-BOT-BC321758  Layia fremontii Richard R. Halse 2002-3-27 6151 Butte At the junction of State Hwy 99 and Hamilton Nord Cana Hwy, ca 8 miles NW of Chico. 40 Comment
  CHSC45893  Layia fremontii Lowell Ahart 1974-4-11 365 Butte Vernal pool or swale, Peter Ahart Ranch, about 1 1/2 miles north and 2 miles east of Honcut, about 12 miles south of Oroville. 45 Comment
  UC179640  Layia fremontii A. A. Heller 1914-3-28 11235 Butte 8 mi n Oroville Comment
  POM30571  Layia fremontii C. C. Bruce 1897-05 1845 Butte [Unspecified] Comment
  CHSC103735  Leontodon taraxacoides subsp. longirostris Lowell Ahart 2010-5-16 16700 Butte East of basalt cliffs, about 1/2 mile south of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville. 364 Comment
  CHSC32544  Leontodon saxatilis subsp. longirostris L. Ahart 1976-6-4 1135 Butte Bottom of small wash. Peter Ahart Ranch, Honcut. 45 Comment
  CHSC46950  Leontodon saxatilis subsp. longirostris Lowell Ahart 1976-7-4 1154 Butte Along North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 3 miles east of Honcut, about 12 miles south of Oroville. 45 Comment
  CHSC116146  Lessingia nemaclada Lowell Ahart 2015-10-26 20587 Butte Strand of Lake Oroville, on the west side of the West Branch of the Feather River, about 1 mile (air) southeast of Kunckle Reservoir, about 5 miles (air) southeast of Paradise. 228 Comment
  JEPS120622  Lessingia nemaclada Lowell Ahart 2013-11-13 19253 Butte About 50 yards southeast of the Ponderosa Dam spillway. Comment
  UCD134099  Lessingia virgata John Thomas Howell 1959-9-19 34612 Butte 5 miles west of Oroville. 45 Comment
  CHSC26786  Logfia gallica M. S. Taylor 1978-5-6 1623 Butte Ca. 1/4 mi e of Cohasset Rd, ca. 8 mi n of Chico. 137 Comment
  CHSC30727  Logfia filaginoides M. S. Taylor 1980-5-27 2661 Butte On Big Bald Rock, ca. 3 mi e of Lake Madrone. 997 Comment
  CHSC46953  Logfia gallica Lowell Ahart 1975-6-20 799 Butte Peter Ahart Ranch, about 1 1/2 miles north and 1 1/2 miles east of Honcut, about 12 miles south of Oroville. 39 Comment
  CAS-BOT-BC342704  Madia elegans A. A. Heller 1914-8-13 11684 Butte Hills 8 miles north of Oroville Comment
  CAS-BOT-BC342720  Madia elegans Margaret J. Williams; Wayne Roderick 1984-5-25 84- 21 -3 Butte 3.3 mi from Paradise on Honey Run Road 167 Comment
  CAS-BOT-BC342955  Madia gracilis Clarence R. Quick 1963-7-16 63 -41 Butte Section Corner Meadow, east of Pulga. Feather River canyon 1463 Comment
  CAS-BOT-BC342966  Madia gracilis Lowell Ahart 1983-7-29 4232 Butte About 1/4 mile west of Milsap Bar, about 25 miles north-east of Oroville 500 Comment
  CAS-BOT-BC342969  Madia gracilis John Thomas Howell 1962-6-15 37479 Butte Magalia 731 Comment
  CAS-BOT-BC344315  Madia exigua Lowell Ahart 1979-5-29 s.n. Butte 2 1/2 mi se of Paradise 500 Comment
  CHSC101120  Madia elegans subsp. vernalis Lowell Ahart 2009-5-23 15726 Butte About 60 yards northwest of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 2/3 mile (air) west of Highway 32, about 10 miles northeast of Chico. 267 Comment
  CHSC27053  Madia gracilis Lowell Ahart 1978-7-15 1787 Butte Peter Ahart Ranch, Honcut. Near North Honcut Creek. 50 Comment
  CHSC28490  Madia elegans subsp. densifolia M. S. Taylor 1979-8-4 2172 Butte On s side of Hwy 70, ca. 1 mi n of Cresta Powerhouse, ca. 30 mi n of Oroville. 487 Comment
  CHSC36840  Madia elegans subsp. elegans M. S. Taylor 1982-6-24 4732 Butte Around large landing on saddle of ridge se of Flea Mt, n of Pulga, ca. 5 air mi e of Magalia. 1097 Comment
  CHSC38379  Madia elegans subsp. vernalis Vernon Oswald 1983-4-25 382 Butte Upper Bidwell Park, Chico, on the north rim ca. 1.2 mi e of the power lines. Along the edge of a jeep trail. 359 Comment
  CHSC60955  Madia elegans subsp. elegans Lowell Ahart 1993-6-20 6998 Butte Jackass Flat, Mooreville Ridge, about 1 (air) mile north-west pf the Lost Creek Reservoir Dam. 1158 Comment
  CHSC86135  Madia gracilis John Dittes; Josephine Guardino 2002-6-21 618 Butte Northern High Sierra Nevada Range; Watson Ridge; ca. 1.2 air-miles east of Middle Fork Feather River, ca. 1.7 air-mile north by northwest of Feather Falls Overlook, ca. 5.4 air-miles west by southwest of Cascade. 1133 Comment
  JEPS108733  Madia gracilis Lowell Ahart 2006-6-9 12649 Butte On the east side of Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 403 Comment
  JEPS98930  Madia subspicata Bruce G. Baldwin, Gerald D. Carr, Lowell Ahart 1988-6-9 713 Butte 1 mi N, 3 mi E of Honcut (Peter Ahart Ranch, above North Honcut Creek) Comment
  RSA0060842  Madia elegans subsp. densifolia Lowell A. Ahart 2012-10-28 18535 Butte On the north side of the paved park road, west of Table 27, north of Cedar Grove, Lower Bidwell Park, Chico. 69 Comment
  RSA691019  Madia elegans subsp. elegans L. Ahart 2003-6-30 10321 Butte North of small stream, on the east side of Ponderosa Way, about 2.5 miles (by road) southwest of the Ponderosa Dam, about 2 miles (air) northwest of Forbestown 578 Comment
  SFV11421  Madia exigua M. L. Vincent 1963-6-10 419 Butte Kunkel Reservoir. 4 miles south of Paradise. 0.5 miles off Pentz Road. 450 Comment
  SEINET10474829  Madia rammii Mary Susan Taylor 1976-5-3 Taylor 1102 Butte On Big Bald Rock, ca. 1/4 mi W of Bald Rock Rd, ca. 3 mi E of Lake Madrone, ca. 13 mi NE of Oroville; granite dome; with Calocedrus decurrens, Pinus ponderosa. 998 Comment
  SEINET10475204  Madia elegans subsp. elegans Mary Susan Taylor 1982-6-24 Taylor 4732 Butte T23N R5E nw/se sec 30. Pulga SW quad. Around large landing site on saddle of ridge se of Flea Mt, n of Pulga, ca. 5 air mi e of Magalia. 3600 ft. 1097 Comment
  UCD134240  Madia elegans Robbins; Raynor 1943-6-1 s.n. Butte Feather River Canyon near Pulga. Comment
  CDA13327  Malacothrix floccifera G. F. Hrusa, T. D. Wilfred 1996-7-9 13173 Butte Sierra Nevada; S end of 22N89. Approx. 0.5 m. on 22N89. Immed. S of Rogers Cow Camp on Hwy 162. Comment
  UC572335  Malacothrix floccifera P. L. Johannsen 1936-7-22 962 Butte 1.5 mi sw Head of Bottle Creek; Lassen National Forest, Paynes Creek Quad. 1432 Comment
  CAS-BOT-BC348279  Matricaria occidentalis Lowell Ahart 1977-4-25 s.n. Butte Peter Ahart Ranch, Honcut 50 Comment
  UCD134447  Matricaria occidentalis L. Ahart 1977-4-25 1320 Butte Peter Ahart Ranch, Honcut. 50 Comment
  CAS-BOT-BC348464  Micropus californicus var. californicus Lowell Ahart 1985-5-15 4994 Butte West of a small stream, 1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res. 800 Comment
  CHSC24149  Micropus californicus var. californicus B. Bunge 1976-4-22 12 Butte Ca. 100 yd of Skyway, 5 mi ese of Chico. 213 Comment
  RSA393758  Micropus californicus M. M. Boney 1897-1 s.n. Butte [No locality information provided] Comment
  CHSC30418  Microseris acuminata J. D. Jokerst 1980-4-1 541 Butte Ca 1.0 mi E of Richardson Springs, N of the East Branch of Mud Creek. 274 Comment
  CHSC46961  Microseris douglasii Lowell Ahart 1976-4-14 1062 Butte In pasture field, Peter Ahart Ranch, about 2 miles north and 2 1/4 miles east of Honcut, about 12 miles south of Oroville. 45 Comment
  CAS-BOT-BC349165  Microseris elegans Lowell Ahart 1979-5-21 s.n. Butte Peter Ahart Ranch. Honcut 50 Comment
  SEINET10473428  Microseris Mary Susan Taylor 1981-5-7 Taylor 3639 Butte T20N R6E nw sec 36, Forbestown quad. S side of 20N24.8, ca. 3 mi S of Feather Falls community. Yellow Pine Forest; 2200 ft. 670 Comment
  JEPS26675  Packera eurycephala var. lewisrosei P. C. Hutchison 1961-6-9 2097 Butte 1.0 mi s (above) Pulga Bridge (on highway U.S. Alt. 40, canyon of the North Fork of the Feather River); North Fork of the Feather River Comment
  UC703040  Packera eurycephala var. lewisrosei L. S. Rose 1939-6-7 39247 Butte 3 mi s of Pulga; North Fork of Feather River; North Fork of Feather River, 3 miles S of Pulga, Butte Co. Comment
  JEPS14291  Pentachaeta alsinoides Rimo Bacigalupi with G. T. Robbins and Fran Chisaki 1956-4-19 5608 Butte along Oroville-Concowroad 2.8 mi below (and s of) junction with Yankee Hill road 373 Comment
  CHSC90595  Pseudobahia heermannii J. D. Prouty 1980-4-7 80 .42 Butte Bank near bridge at junction of Upper Rocky Honcut Creek and Swedes Flat Road. 350 Comment
  CAS-BOT-BC356393  Pseudognaphalium beneolens Lowell Ahart 1983-9-17 4435 Butte Below the dirt road and about 2 1/2 miles south of Stirling City 1100 Comment
  CHSC103937  Psilocarphus brevissimus var. brevissimus Lowell Ahart 2010-5-22 16723 A Butte North of the road, about 100 yards west of the fence, about 1/4 mile east of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville. 387 Comment
  CHSC39535  Psilocarphus tenellus var. tenellus Lowell Ahart 1983-6-12 4042 Butte Along the edge of the road and near a small meadow, about 1 mile south of Crystal Hill, near Oregon Gulch, near Lake Oroville, about 7 miles south-west of Feather Falls. 425 Comment
  CHSC46336  Psilocarphus tenellus var. tenellus Lowell Ahart 1989-5-23 6245 Butte Along the edges of Avacado Road, about 1/2 mile west of the Oroville Bangor Highway, about 1 mile north-west of Bangor. 213 Comment
  CHSC48190  Psilocarphus brevissimus var. brevissimus Vernon Oswald 1983-5-11 465 Butte Upper Bidwell Park, Chico, along the n shore of Horseshoe Lake. 100 Comment
  RSA4451  Psilocarphus tenellus var. tenellus E. B. Copeland 1931-7-20 698 Butte Jonesville, near Butte Creek House. 1700 Comment
  CAS-BOT-BC363200  Rudbeckia occidentalis E. B. Copeland 1939-8-7 s.n. Butte Jonesville Comment
  CAS-BOT-BC364270  Senecio triangularis Lowell Ahart 1985-7-9 5117 Butte Along Fall River, about 100 yards south of the bridge across Fall River, about 1/2 mile west of Lumpkin Ridge Road, about 2 1/2 miles north-east of Camp 18, about 9 miles north-east of Feather Falls 914 Comment
  CHSC12107  Senecio aronicoides J. M. Pitts 1972-4-19 154 Butte 20 yards se of Humbug Rd. 7.9 mi ne past Honeyrun Bridge. 426 Comment
  CHSC8148  Senecio aronicoides D. McClain 1969-3-20 84 Butte 1/2 mi. e. of Hooker Oak along the Chico Creek, Upper Bidwell Park, Chico. 64 Comment
  CHSC87779  Senecio aronicoides Paul Maslin 2004-5-6 31 Butte Sierra Nevada Range, west of Hwy 32 between Chico and Forest Ranch within Big Chico Creek Ecological Reserve (BCCER). Comment
  JEPS89349  Senecio Dean W. Taylor 1997-4-9 15967 Butte along Hwy. 70 ca. 2 rd. mi. w. of bridge over the river at Pulga (Feather River Canyon, Plumas Nat'l Forest); Sierra Nevada (nSNF), Plumas Nat'l Forest, Feather River Ca 579 Comment
  UC1184119  Senecio aronicoides E. B. Copeland 1929-7-14 Butte Jonesville 1600 Comment
  RSA0012439  Senecio aronicoides H. F. Copeland 1929-6-9 1254 Butte Jonesville. 1524 Comment
  SEINET10474907  Senecio eurycephalus var. lewisrosei Mary Susan Taylor 1981-5-21 Taylor 3766 Butte T22N R4E nw/nw sec l and ne/ne sec 2, Pulga SW quad. S side of Concow Rd, ca. 0.5 mi S of its jct with Ponderosa Way (Rim Rd), ca. 20 air mi N of Oroville. In reddish weathered serpentine; 2800 ft. 853 Comment
  CAS-BOT-BC365380  Solidago elongata A. A. Heller 1914-7-23 11611 Butte Chico Meadows 1219 Comment
  LA203953  Solidago elongata E. B. Copeland; 1930-8-27 499 Butte Jonesville 1500.0 Comment
  UC1999867  Solidago elongata J. C. Semple, S. Heard 1986-8-14 8432 Butte Jonesville, banks of Butte Creek, by road to Butte Meadows. Comment
  SEINET10474350  Solidago californica Lowell Ahart, Peter Ahart 1983-6-26 Ahart 4148 Butte T20N R5E ne sec 15. Along Ponderosa Way (Big Ridge Rd), ca. 1 mi se of East Fork Canyon Creek, ca. 14 mi ne of Oroville. Foothill Woodland; 575 m. 575 Comment
  SEINET10475257  Solidago canadensis subsp. elongata Mary Susan Taylor 1980-7-6 Taylor 3072 Butte T25N R3E se sec 10, Butte Meadows quad; on W side of Hwy 32, ca. 0.1 mi S of Loma, up on rocky open edge of Yellow Pine Forest. With R.A. Schlising. 1128 Comment
  CHSC50823  Stephanomeria elata Vernon Oswald 1990-7-28 4402 Butte Doe Mill Rd (Ponderosa Way), 1.5 mi (odometer) southwest of Butte Creek Bridge, ca. 2 miles (air) east-northeast of Forest Ranch. Roadside. 847 Comment
  CHSC116339  Symphyotrichum chilense Lowell Ahart 2015-11-18 20657 Butte On the west side of the Feather River, about 1/2 mile south of Palm Avenue, about 1 1/2 miles southeast of the intersection of Palm Avenue and Larkin Road, about 5 miles (air) northeast of Gridley. 26 Comment
  CHSC36839  Symphyotrichum ascendens M. S. Taylor 1978-9-9 1911 Butte On W side of Bull Run Rd, ca. 10 mi S of Butte Meadows. 1463 Comment
  CHSC69673  Symphyotrichum spathulatum var. spathulatum Vernon H. Oswald 1987-7-29 3159 Butte South side of Humbug Rd. just E of Chaparral Guard Station, ca. 1.5 mi (air) WNW of Philbrook Reservoir. 1554 Comment
  CHSC99671  Symphyotrichum spathulatum var. yosemitanum R. A. Schlising 2006-8-16 4465 Butte East of Jonesville and east of Snag Lake, at Summit Lake. In open areas around lake. 1889 Comment
  JEPS119919  Symphyotrichum chilense Lowell Ahart 2012-10-20 18486 Butte On the south side of Big Chico Creek, on the east side of the bridge, north of the restrooms, about 200 yards west of Cedar Grove, Lower Bidwell Park, Chico. Comment
  UC1594556  Symphyotrichum spathulatum Lowell Ahart 1992-9-9 6920 Butte ca .5 mi se of, (along a deep wash below the high water line of Lake Oroville) Kunkle Reservoir; Lake Oroville 243 Comment
  UC29849  Symphyotrichum bracteolatum H. E. Brown Nov 15 1896-Nov 30 1896 80 Butte near Clear Creek 53 Comment
  CDA13257  Tanacetum parthenium G. F. Hrusa, T. D. Wilfred 1996-7-9 13108 Butte Plumas National Forest; Drainage of Jordan Creek, S of Hwy 162 near Roger's Cow Camp. Comment
  CHSC113661  Tanacetum parthenium L. P. Janeway 2014-5-29 11278 Butte Northern High Sierra Nevada. Plumas National Forest; at junction of Roads 18N18 and 19N40 (but 19N40 doesn't exist here anymore), 1.0 air-km north of top of Sunset Hill; upper slopes high above South Fork Feather River arm of Lake Oroville. 774 Comment
  SEINET11793729  Taraxacum officinale Unknown 1966-1 37 Butte Chico, East 5th & Olive Streets Comment
  CHSC58255  Urospermum picroides Lowell Ahart 1992-5-9 6753 Butte Roadcut, on the north side of the Thermalito Diversion Pool, near Longs Bar Monument, Lake Oroville Recreation Area, about 2 miles west of Oroville Dam. 76 Comment
  CHSC23424  Wyethia angustifolia K. R. Stern 1974-7-1 5881 Butte 1 mi s of intersection of French Creek Road and Oroville-Quincy Hwy, on Plumas National Forest Special Service Road, ca. 2 mi s of Brush Creek. 914 Comment
  CAS-BOT-BC382898  Wyethia angustifolia A. A. Heller 1915-5-25 11900 Butte Mt. Ida ranch 10 miles east of Oroville Comment
  CAS-BOT-BC382900  Wyethia angustifolia John Thomas Howell 1962-6-16 37626 Butte Concow School n. of Yankee Hill 533 Comment
  CAS-BOT-BC383335  Wyethia helenioides Lowell Ahart 1977-5-11 s.n. Butte Central House Road near Honcut 40 Comment
  CAS-BOT-BC383678  Xanthium strumarium John Thomas Howell 1959-9-20 34690 Butte 5 miles ne. of Oroville on Feather River Highway Comment
  CAS-BOT-BC171272  Alnus incana subsp. tenuifolia H. F. Copeland 1920-8-29 142 Butte Jonesville, Dry Creek 1219 Comment
  CDA9273  Alnus rhombifolia D. G. Kelch 2006-8-2 6 .353 Butte Along Butte Creek, north of Durham-Dayton Hwy. Comment
  UC176143  Alnus rhombifolia A. A. Heller 1913-4-6 10719 Butte e Chico (bottoms along creek); Big Chico Creek Comment
  SEINET10478568  Corylus cornuta var. californica Mary Susan Taylor 1978-7-21 Taylor 1797 Butte Vicinity of Lake Madrone, at Oroville- Quincy Hwy turnoff, ca. 10 mi NE of Oroville; Yellow Pine Forest. 610 Comment
  CAS-BOT-BC77795  Woodwardia fimbriata John Thomas Howell 1959-9-20 34709 Butte Feather River Highway to West Branch bridge Comment
  CHSC44475  Amsinckia menziesii var. menziesii Lowell Ahart 1988-5-13 5999 Butte Peter Ahart Ranch, about 2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville. 36 Comment
  CHSC54375  Amsinckia lycopsoides M. Bailey 1991-4-5 559 Butte Butte College campus, field n of Pentz Road and ca 1000 ft w of main entrance to campus. 85 Comment
  CHSC61714  Amsinckia lycopsoides Scott Torricelli 1989-3-21 1 Butte On the N.E. corner of Humboldt Rd. and Forest Ave. Chico. 91 Comment
  UC1111640  Amsinckia menziesii var. menziesii Francia Chisaki 1956-4-19 683 Butte 1.5 mi s of West Branch of Feather River (on Nelson Bar Road) Comment
  UC1609217  Amsinckia eastwoodiae David Young 1983-3-20 5 Butte 4 km e of Chico (23 m w of Humbolt Rd, .8 km n of Little Chico Creek, ne corner of nw corner of Sect. 29) 99 Comment
  UC725863  Amsinckia intermedia A. A. Heller 1942-4-26 Butte Oregon City Road Comment
  UC727048  Amsinckia lycopsoides A. A. Heller 1941-4-19 16067 Butte n side of Sandy Gulch, Lindo Channel (along roadside edge of a field on the road to Bidwell Park) Comment
  CHSC106884  Cryptantha flaccida Lowell Ahart 2011-5-1 17336 Butte North side of the intersection of Georgia Pacific Way and Feather River Blvd, about 100 yards east of Highway 70, about 1 mile south of Oroville. 42 Comment
  CHSC90816  Cryptantha intermedia Lowell Ahart 2005-5-2 11755 Butte Overflow area on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 25 Comment
  JEPS98573  Cryptantha flaccida Lowell Ahart 2000-6-6 8452 Butte 5 mi (air) E of Oroville Dam (bottom of old gold mining pit, E of where dirt road crosses Oregon Gulch creek, 1/4 mi NE of cemetary, 1 1/2 mi S of Crystal Hill) 304 Comment
  SEINET10497259  Cryptantha affinis Lowell Ahart, Peter Ahart 1984-7-19 Ahart 4724 Butte About 1 1/2 mile south-east of Bald Mountain, 3/4 mile west of Oak Point, about 4 miles north-east of Stirling City. Comment
  UC480684  Cryptantha flaccida H. F. Copeland 1923-4-8 601 Butte Butte Creek Canyon Comment
  CHSC23694  Draperia systyla M. S. Taylor 1976-5-5 1124 Butte On s side of Hwy 70, ca. 1/4 mi n of Bear Creek, ca. 30 mi ne of Oroville. Comment
  CHSC63633  Draperia systyla B. Castro; R. Zebell 1989-7-20 326 Butte Off the S end of Walker Plains, on steep W-facing slopes off W side of the Oro-Quincy Hwy. 1402 Comment
  UC600450  Hackelia nervosa H. F. Copeland 1932-6-27 Butte near Butte Creek House; Jonesville Comment
  CHSC113537  Heliotropium europaeum Lowell Ahart 2014-9-23 19863 Butte Parking lot of the Rod and Gun Club, Upper Bidwell Park, about one mile east of Chico. 90 Comment
  CHSC33215  Heliotropium curassavicum R. E. Preston 1981-6-19 98 Butte Gray Lodge State Wildlife Area, ca. 14.5 km ssw of Gridley. At side of road near edge of water, on levee, ca. 100 m w of Headquarters. 20 Comment
  CHSC34012  Heliotropium curassavicum L. Ahart 1981-7-26 3000 Butte Along edge of the rd, 1/10 mi w of Pennington Rd on the dirt rd that leads to the Gray Lodge Waterfowl Mgmt HQ, ca. 12 mi sw of Gridley. 35 Comment
  CHSC35085  Heliotropium europaeum R. A. Schlising 1981-10-1 4213 Butte N margin of county, several mi E of Sacramento River, along Cana/Pine Creek Road. 57 Comment
  SEINET10497072  Hydrophyllum occidentale Mary Susan Taylor 1981-4-16 Taylor 3543 Butte T21N R6E nw sec 18, Brush Creek quad. Galen Ridge, ca. 1 mi SE of Brush Creek. Yellow Pine Forest; 3400 ft. 1036 Comment
  CDA13241  Lithospermum californicum G. F. Hrusa, T. D. Wilfred 1996-7-8 13088 Butte Plumas National Forest; Near Old Railroad Grade Rd., Paradise Lake Dam, approx. 3 m. N of Magalia. Comment
  CHSC29287  Lithospermum californicum R. A. Schlising 1980-5-23 3597 Butte N of Lake Oroville State Rec. Area in Lassen Nat. Forest, 3.5 mi e junction Hwy 70 and Big Bend Road and from here, at community of Big Bend, 1.0 mi s; roadside. Comment
  SFV3124  Lithospermum californicum M. L. Vincent 1962-4-20 219 Butte Sierra Nevada Paradise. Stearns Road, 0.5 miles west of Harrison Road. Roadside. 530 Comment
  CHSC101163  Myosotis discolor Lowell Ahart 2009-5-15 15717 Butte On the east bank of Big Chico Creek, on the west side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. 234 Comment
  CHSC44381  Myosotis discolor Lowell Ahart 1988-6-23 6080 Butte In the meadow, south of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  UC21150  Nama lobbii P. L. Johannsen 1936-7-21 952 Butte 1/2 mi e Chaparral House; Paynes Creek Quad., Lassen National Forest Comment
  UC572408  Nama lobbii P. L. Johannsen 1936-7-21 952 Butte 1/2 mi e of Chaparral House (Lassen National Forest, Paynes Creek Quadrangle); Lassen National Forest, Paynes Creek Quadrangle 1584 Comment
  CHSC39933  Nemophila pedunculata M. S. Taylor; L. Ahart, J. Jokerst 1984-4-6 5400 Butte Ca. 0.5 mi N of Kunkle Reservoir, on E side of Pentz-Magalia Hwy, ca. 3 mi S of Paradise. Comment
  CHSC40779  Nemophila pedunculata Lowell Ahart 1985-5-1 4889 Butte About 2 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville. 35 Comment
  CHSC45932  Nemophila pedunculata Lowell Ahart 1975-3-18 713 Butte Near North Honcut Creek, Peter Ahart Ranch, about 1 1/2 miles north and 3 miles east of Honcut, about 12 miles south of Oroville. 45 Comment
  JEPS107354  Nemophila menziesii var. menziesii Lowell Ahart, Paul Maslin, John Dittes 2005-3-17 11677 Butte Big Chico Creek Ecological Reserve. On the east side of Chico Canyon Road, about 1 mile (air) west of Highway 32, about 7 miles (air) northeast of Chico 236 Comment
  UC726912  Nemophila pedunculata A. A. Heller 1929-3-14 14810 Butte near Hooker Oak; near Hooker Oak Comment
  POM193349  Nemophila spatulata E. B. Copeland 1930-6-28 445 Butte Jonesville. 1650 Comment
  POM252968  Nemophila heterophylla A. A. Heller 1938-3-27 15004 Butte On a roadside bank sheltered by a stone wall on the Cohasset Road beyond the Richardson Springs road. Comment
  JEPS119580  Pectocarya penicillata Lowell Ahart 2012-4-17 17881 Butte About 200 yards southeast of where the road turns north, about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 5 miles (air) southwest of Oroville. Comment
  JEPS87510  Pectocarya penicillata Lowell Ahart 1993-4-8 6928 Butte 3.5 air mi s Thermalito (s of the Feather Rv, Oroville Wildlife Area); Oroville Wildlife Area 36 Comment
  CHSC28761  Phacelia tanacetifolia J. D. Jokerst 1977-3-31 16 Butte Top of ridge N.W. of Big Chico Cr. 335 Comment
  CHSC33711  Phacelia corymbosa J. D. Jokerst 1981-5-21 1327 Butte Pulga Rd., ca 1/10 mi NE of its junction with Hwy 70. Comment
  CHSC39115  Phacelia heterophylla subsp. virgata Lowell Ahart 1983-7-29 4251 Butte 2 mi e of Milsap Bar, about 25 mi ne of Oroville; on dry, bare granite soil along dirt road in yellow pine forest. 1000 Comment
  CHSC730  Phacelia tanacetifolia V. Holt 1935-3-30 Butte Chico Creek ridge. 304 Comment
  UC1228320  Phacelia imbricata L. R. Heckard 1953-4-27 342 Butte along Feather River hwy just below Las Plumas Rd 182 Comment
  UC600783  Phacelia procera H. F. Copeland 1932-8-16 Butte woods by Butte Creek Jonesville 1500 Comment
  UC909974  Phacelia mutabilis A. A. Heller 1914-7-23 11600 Butte edge of forest about Chico Meadows 1219 Comment
  SEINET10969177  Phacelia imbricata Lowell Ahart, Peter Ahart 1984-5-28 Ahart 4654 Butte On a large road cutbank along Hwy 40, now called Dark Canyon Rd, ca. 2 mi E of Old Yankee Hill, ca. 16 mi NE of Oroville; Foothill Woodland; 450 m. 450 Comment
  CAS-BOT-BC228249  Plagiobothrys hispidulus V. Oswald; L. Ahart 1988-7-13 3584 Butte Road to High Lakes E of Philbrook Reservoir, on the N side of Philbrook Creek S of the road 1828 Comment
  CHSC100833  Plagiobothrys glyptocarpus R. A. Schlising 1981-4-11 4020 a Butte About 1 mile E of Chico between Hwy 32 and Humboldt Road. 76 Comment
  CHSC111375  Plagiobothrys nothofulvus Lowell Ahart 2012-5-2 17973 Butte On damp soil, 20 yards south of the fence, west of the Government Pole Line, Upper Bidwell Park, about 3/4 mile east of Chico. 85 Comment
  CHSC169  Plagiobothrys tenellus M. Roberson 1956-5-2 Butte S.W. of Paradise along Skyway. 426 Comment
  CHSC23529  Plagiobothrys nothofulvus M. S. Taylor 1976-2-12 993 Butte Ca. 50 ft n of Big Chico Creek, vicinity of Salmon Hole, Upper Bidwell Park, Chico. 243 Comment
  CHSC29051  Plagiobothrys leptocladus R. A. Schlising 1980-4-14 3561 Butte Richvale vernal pools. 1/4 mi s of junction Hwy 162 to Oroville and Hwy 99, along latter and across from Thermalito Afterbay; at dried margins of pools that contained standing water in winter. Comment
  CHSC29254  Plagiobothrys greenei M. S. Taylor 1975-4-29 541 Butte In fields ca. 100 yds s of Pentz Rd., ca. 1/4 mi e of Hwy 99, ca. 15 mi s of Chico. 60 Comment
  CHSC31255  Plagiobothrys stipitatus var. micranthus R. A. Schlising 1980-4-20 3571 Butte Between Singer Creek and Cana-Pine Creek Road; in vernal pool. Comment
  CHSC35325  Plagiobothrys fulvus var. campestris M. S. Taylor; K. Tharp 1982-4-8 4281 Butte SE corner of jct of Hys 149 and 99, ca. 10 mi s of Chico. 68 Comment
  CHSC39626  Plagiobothrys stipitatus var. micranthus Lowell Ahart 1983-5-12 3972 Butte Found along the power line, about 1/2 mile north-east of Highway 99 and Pentz Road. 65 Comment
  CHSC43473  Plagiobothrys stipitatus var. micranthus Lowell Ahart 1978-5-2 1704 Butte On the edges of a small vernal pool, on the top of Table Mountain, near the large parking area on the top of Table Mountain, about 6 miles north of Oroville. 487 Comment
  CHSC45897  Plagiobothrys austiniae Lowell Ahart 1984-4-6 4544 Butte About 1/2 mile north of Kunkle Reservoir, about 2 miles south of Paradise. 548 Comment
  CHSC50991  Plagiobothrys cusickii Lowell Ahart; Vern Oswald 1990-7-5 6550 c Butte In a small meadow, on the north side of Humboldt Road just west of Scout Road, Butte Meadows. 1325 Comment
  CHSC90645  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2005-4-2 11682 Butte Overflow area on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 25 Comment
  HSC100801  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2010-6-9 16786 Butte ~100 yd. W of the fence, ~1/2 mi. S of the improved parking area and Cherokee Rd., N Table Mountain, 5 1/2 (air) mi. NE of Oroville. 399 Comment
  JEPS107765  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2005-5-11 11807 Butte Bottom of a vernal pool, south of a small stream, open pasture field, about 1 mile south of Beatson Hollow, about 1 1/2 miles southwest of the poor dirt road off of Cherokee Road, south part of North Table Mountain, about 7 miles (air) north of Oroville 280 Comment
  JEPS119686  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2012-5-2 17960 Butte About 20 yards west of the Horseshoe Lake Dam, Upper Bidwell Park, about 1 1/4 miles east of Chico. Comment
  JEPS123826  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2015-4-24 20063 Butte About 1 1/4 miles north of Rutherford Road, Gray Lodge Wildlife Area, about 6 1/2 miles (air) southwest of Gridley. Comment
  SBBG128017  Plagiobothrys stipitatus var. micranthus L. Ahart 2010-5-14 16653 Butte W side of the old Humboldt Rd, Disc Golf Area, ca. 150 yards N of the entrance to the Disc Golf Area, ca. 40 yards W of Hwy 32, upper Bidwell Park, ca. 5 mi (air) NE of Chico 395 Comment
  UC1562356  Plagiobothrys scouleri Lowell Ahart 1990-7-5 6550 c Butte just w Scout Road (on the n side of Humboldt Road); Butte Meadows 1325 Comment
  UC1609328  Plagiobothrys stipitatus var. micranthus Lowell Ahart 1993-5-17 6946 Butte ca. 12 mi. s.e. Oroville (ca. 1.5 mi. n. and 3 mi. e. of Honcut, on w. side of Dunstone Rd.) 60 Comment
  RSA178642  Plagiobothrys greenei A. A. Heller 1926-3-22 13911 Butte East of Chico near the Hooker Oak, Comment
  UCD120768  Plagiobothrys austiniae Robert E. Preston 1990-3-11 594 Butte Chico, N end of Cactus Ave. 76 Comment
  CHSC13903  Athysanus pusillus K. Alexander 1968-3-23 28 Butte On the n side of Keefer Rd. ca. 0.9 mi e of the junction of hwy 199e, Keefer Rd., Lassen R. and Rowles Rd. Comment
  RSA769673  Athysanus pusillus L. Ahart, John Dittes 2009-3-20 15498 Butte Open area along Guardian Rock Trail, about 150 yards southwest of the Ten Mile House Road Trail, about 300 yards west of Highway 32, west of the intersection of Highway 32 and Ten Mile House Road, Upper Bidwell Park., About 10 miles northeast of Chico. 407 Comment
  CAS-BOT-BC17450  Athysanus pusillus Lowell Ahart 1980-3-11 2036 Butte Honcut. Peter Ahart Ranch. 50 Comment
  SEINET11991658  Athysanus pusillus E. C. Taylor 1975-1 3 Butte ca 10 yds N of Covered Bridge & 20 yds W of Butte Creek, 6.7 mi ESE of Chico 116 Comment
  CHSC33168  Brassica nigra R. E. Preston 1981-5-27 71 Butte Roadside, on n side of Sacramento Ave., ca. 0.5 km w of Meridian Rd., ca. 8 km w of Chico. 40 Comment
  CHSC41414  Brassica nigra Lowell Ahart 1986-5-10 5273 Butte In a field, Peter Ahart Ranch, about 2 miles north and 1/4 mile east of Honcut, about 12 miles south of Oroville. 36 Comment
  CHSC10793  Capsella bursa-pastoris Lowell Ahart 1972-5-24 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC108863  Capsella bursa-pastoris Lowell Ahart 2012-3-2 17766 Butte On the sides of the Bloody Pin Trail, about 100 yards west of Guardian Trail, about 1/2 mile west of Highway 32, about 7 1/2 miles northeast of Chico. 304 Comment
  CHSC112203  Capsella bursa-pastoris Lowell Ahart 2013-4-20 18556 Butte In corral at the barn, about 1/4 mile north of the Honcut Cemetary, about 3 1/4 miles (air) northeast of Honcut. 47 Comment
  CHSC489  Capsella bursa-pastoris M. Roberson 1956-4-7 Butte SW of Paradise, along Skyway. 426 Comment
  JEPS119515  Capsella bursa-pastoris Lowell Ahart 2012-3-2 17766 Butte About 100 yards west of Guardian Trail, about 1/2 mile west of Highway 32, about 7 1/2 miles northeast of Chico. Comment
  CHSC116961  Cardamine californica Matthew Forster 2013-2-27 Butte Found on Yahi trail in Riparian Community along Big Chico Creek. 90 Comment
  CHSC19931  Cardamine oligosperma M. S. Taylor 1975-3-3 400 Butte Ca. 1/4 mi n of Richardson Springs camp, in dam area, ca. 8 mi n of Chico. 91 Comment
  CHSC33901  Cardamine pachystigma var. dissectifolia M. S. Taylor 1981-5-15 3752 Butte End of spur rd 22N84A, ridge sw of Stony Creek, ca. 2.5 air mi due e of Jarbo Gap on Feather River Hwy 70. 944 Comment
  CHSC3612  Cardamine californica R. Jaegel 1966-3-2 19 Butte Collected 6 miles Northeast of Chico, in Upper Bidwell Park along the north bank of Butte Creek. Comment
  CHSC83934  Cardamine pachystigma L. P. Janeway; Gavin Blosser, Adam Henderson 2003-3-19 7743 Butte Northern High Sierra Nevada. North-facing slope just above French Creek (Lake Oroville) about 300 m south-southeast of its confluence at North Fork Feather River. 341 Comment
  JEPS107336  Cardamine oligosperma Lowell Ahart 2005-4-2 11684 Butte Overflow area on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico 25 Comment
  RSA4216  Cardamine breweri E. B. Copeland 1929-7-15 368 Butte Jonesville. 1500 Comment
  UC1736729  Cardamine pachystigma var. dissectifolia Dean W. Taylor 1997-3-13 15915 Butte Magalia; summit serpentine hill directly east of town 731 Comment
  UCD114532  Cardamine oligosperma L. Ahart 1974-2-25 304 Butte Peter Ahart Ranch in Honcut. 15 Comment
  UCSB63620  Cardamine oligosperma Seaman, Cynthia 1980-3-21 Butte Berry Creek Quadrangle, T21N R4E ne 1/4 mi. off Big Bend Rd. on old dirt road, ca. 4 mi. off Hwy. 70, ca. 25 mi. e of Chico 365 Comment
  SEINET10448605  Dentaria pachystigma var. dissectifolia Mary Susan Taylor 1981-3-31 Taylor 3452 Butte T22N R4E nw sec 14 PUlga SW quad. SE side of spur rd, ca. 3/4 mi n of its jct with Ponderosa Way (Rim Rd), ca. 2 mi n of its jct with Hwy 70 at Jarbo Gap, ca. 17 air mi n of Oroville; 2700 ft. 823 Comment
  CAS-BOT-BC41344  Draba verna Gladys L. Smith 1976-4-8 s.n. Butte Table Mountain. Comment
  CHSC4257  Erysimum capitatum var. capitatum J. E. Bowlin 1967-3-24 36 Butte Along roadside, Hwy 70 at Cresta Powerhouse. Comment
  CHSC512  Erysimum capitatum var. capitatum G. Spurlock 1935-5-25 Butte Feather river. 274 Comment
  UC168482  Erysimum capitatum R. M. Austin July 1896 722 Butte Colby Comment
  UC397036  Erysimum capitatum E. Copeland 1929-7-1 Butte Jonesville Comment
  CAS-BOT-BC55327  Hirschfeldia incana John Thomas Howell 1961-9-22 36712 Butte Sierra Nevada. Bank of Feather River, Oroville. 53 Comment
  CHSC75357  Isatis tinctoria Vernon H. Oswald 1999-5-10 9726 Butte Hwy. 99 between Keefer and Meridian roads north of Chico. At roadside. 54 Comment
  CHSC37366  Lepidium nitidum R. A. Schlising 1982-4-24 4230 Butte Richvale Vernal Pools; 1/4 mi S of jct Hwy 162 to Oroville and Hwy 99, along the latter and across from Thermalito Afterbay. At pool margins. Comment
  CHSC47383  Lepidium nitidum Lowell Ahart 1973-3-7 158 Butte In a field, Peter Ahart Ranch, about 2 miles north and 1 mile est of Honcut, about 12 miles south of Oroville. 36 Comment
  CHSC65686  Lepidium nitidum var. nitidum Vernon H. Oswald 1996-3-22 7254 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. Sanctuary 1, NE corner of Tract 10.2. On a levee running along the E side of the tract. 33 Comment
  CHSC94004  Lepidium strictum R. Fischer 2005-4-10 676 Butte Collection from along Hwy. 32, ca. 4 miles north of Chico in Bidwell Park. On the road bed of the 10 Mile House Road at the trail head. 457 Comment
  JEPS95462  Lepidium latifolium Lowell Ahart 1994-9-26 7548 Butte 12 mi S of Oroville (Peter Ahart Ranch, 1 1/2 mi N and 1 mi E of Honcut) 36 Comment
  UC1594675  Lepidium strictum Lowell Ahart 1992-3-28 6741 Butte near s side Oroville Dam spillway (on the top of Oroville Dam); Oroville Dam 274 Comment
  CAS-BOT-BC89879  Lepidium nitidum A. A. Heller 1919-3-29 13096 Butte Cherokee mine. Comment
  SEINET10448588  Lepidium nitidum Mary Susan Taylor 1975-3-10 Taylor 410 Butte Honey Run Covered Bridge, along Butte Creek, from bridge, on bluffs (S side) down to creek and along creek, returning to bridge; ca. 8 mi E of Chico. Riparian Woodland and Foothill Woodland. 152 Comment
  SEINET10907265  Lepidium nitidum Mary Susan Taylor 1974-3-26 Taylor 88 Butte Meadow in vicinity of Stillson Canyon and Old City Dump, ca. 2 mi E of Chico; soil wet rocky clay. Comment
  JEPS102332  Lobularia maritima Lowell Ahart 2001-4-15 8722 Butte 4 air miles SW of Gridley (N side of the dirt road E of the large pump, S side of Evans-Reimer Road, 1 mi E of Pennington Road, Gray Lodge Waterfowl Management Area) 22 Comment
  RSA755440  Nasturtium officinale L. Ahart 2009-5-23 15728 Butte East side of Ten Mile House Road, Upper Bidwell Park, about 3/4 air mile west of Highway 32, about 10 miles northeast of Chico. 236 Comment
  SBBG17025  Nasturtium officinale M. Vincent 1962-4-18 210 Butte Butte Crk Cyn near Humbug Rd, 1 mi E of old covered bridge Comment
  SEINET10841498  Raphanus raphanistrum Mary Susan Taylor 1975-3-25 Taylor 423 Butte Chico. Comment
  CAS-BOT-BC74458  Rorippa curvisiliqua Lowell Ahart 1980-8-16 2582 Butte Near Honcut. 60 Comment
  CHSC101762  Rorippa nasturtium-aquaticum Lowell Ahart 2009-5-23 15728 Butte Opening in a drainage, on the east side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. 236 Comment
  CHSC21145  Rorippa curvisiliqua var. orientalis M. S. Taylor 1975-4-26 533 Butte On e side of Kunkle Reservoir, ca. 500 yds e of Pentz-Magalia Hwy, ca. 1 mi s of Paradise. Comment
  CHSC50026  Rorippa curvisiliqua var. occidentalis Lowell Ahart 1990-4-15 6451 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 289 Comment
  JEPS120598  Rorippa curvisiliqua var. orientalis Lowell Ahart 2013-11-17 19260 Butte McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the enterprise Bridge across Lake Oroville. Comment
  JEPS124147  Rorippa curvisiliqua var. orientalis Lowell Ahart 2015-11-7 20630 Butte About 1/8 mile southwest of the parking area at the end of Old Highway Alternate 40, strand of Lake Oroville, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. Comment
  CHSC81473  Sinapis arvensis Julie Rose 2000-2-21 4 Butte East Biggs, North end of Mead Avenue. On the east side of the road. 28 Comment
  CAS-BOT-BC74928  Sinapis arvensis Lowell Ahart 1974-5-1 s.n. Butte About one mile east of Bangor. 500 Comment
  CHSC35757  Sisymbrium orientale R. E. Preston 1982-6-9 299 Butte On w side of The Esplanade at bridge over Chico Creek, Chico. 59 Comment
  CAS-BOT-BC87439  Streptanthus polygaloides Lowell Ahart 1988-5-30 6034 Butte Along Poe Powerhouse Road, about 0.1 mile north of the bridge across the North Fork of the Feather River. 365 Comment
Read comments
Sep 7 2020
  CAS-BOT-BC87514  Streptanthus tortuosus A. A. Heller 1938-4-14 15031 Butte Top of Table Mountain. 304 Comment
  CHSC33117  Streptanthus polygaloides M. S. Taylor 1981-5-21 3765 Butte S side of Concow Rd, ca. 0.5 mi s of its jct with Ponderosa Way, ca. 20 air mi n of Oroville. 853 Comment
  CHSC44959  Streptanthus diversifolius Pamela A. Mallen 1987-4-10 10 Butte On Table Mt. ca. 0.5 mi w of Cherokee Rd., 5.8 mi ne of Table Mt. Blvd. Oroville. 426 Comment
  JEPS110269  Streptanthus polygaloides Lowell Ahart 2006-6-9 12653 Butte On the west side of Bardees Bar Road, north of the small stream, about 1/8 mile west of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 385 Comment
  JEPS111356  Streptanthus longisiliquus G. L. Clifton 1997-6-13 35529 Butte 0.8 km N of Robley Point; Paradise East 938 Comment
  RSA716323  Streptanthus polygaloides L. P. Janeway 2005-5-29 8414 Butte Northern High Sierra Nevada. Top of Rocky Ridge towards its southern end; 2.9 km SW of Pulga. 960 Comment
  SEINET10480711  Streptanthus Mary Susan Taylor 1981-5-21 Taylor 3791 Butte T23N R5E se sec 21, Pulg quad. E side of Mayaro Rd, ca. 0.5 mi N of Mayaro, ca. 2 mi N of Pulga on Feather River Hwy 70. In decompoed granite gravel embankment; openings of Yellow Pine Forest; 2000 ft. 610 Comment
  CHSC90236  Thysanocarpus curvipes Jody Henderson 1989-3-22 2 Butte 200 yds n of Rock creek, Hwy 99 to Meridian Rd to Kilkare ln, 6 mi. n of Chico, 0.25 se of Kilkare ln. 72 Comment
  JEPS119605  Thysanocarpus curvipes var. elegans Lowell Ahart 2012-4-9 17840 Butte Northwest of South Rim Trail, south part of Upper Bidwell Park, about 2 1/4 miles (air) northeast of Chico. Comment
  UC725966  Thysanocarpus radians A. A. Heller 1929-3-13 14809 Butte Richardson Springs road Comment
  UCD116023  Thysanocarpus curvipes M. Vincent 1961-3-28 13 Butte Skyway between Chico and Paradise, overlooking 'Little Grand Canyon. 609 Comment
  CAS-BOT-BC88210  Thysanocarpus curvipes Lowell Ahart 1961-2-25 s.n. Butte Salmon Hole, Chico. 300 Comment
  CAS-BOT-BC88218  Thysanocarpus curvipes Lowell Ahart 1981-3-29 2709 Butte Along Ponderosa Way, Ponderosa Dam. 500 Comment
  SBBG128280  Thysanocarpus curvipes subsp. curvipes L. Ahart, J. Dittes 2009-3-20 15500 Butte open area along the Guardian Rock Trail, ca. 150 yards SW of the Ten Mi House Rd Trail, ca. 300 yards W of Hwy 32, W of the intersection of Hwy 32 and Ten Mi House Rd, upper Bidwell Park, ca. 10 mi NE of Chico 407 Comment
  CHSC107384  Calycanthus occidentalis Blake McSorley 2010-5-11 Butte Bidwell Park at Christer Ave. Found along Big Chico Creek. 71 Comment
  JEPS110119  Calycanthus occidentalis Lowell Ahart 2006-6-9 12662 Butte On the west side of Bardees Bar Road, at the small stream, about 1/8 mile west of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 385 Comment
  JEPS127135  Calycanthus occidentalis Lowell Ahart 2016-8-29 21317 Butte On the west side of North Honcut Creek, about 2 1/2 miles north and 2 1/2 miles east of Honcut, about 12 miles (air) southeast of Oroville. Comment
  UC725412  Calycanthus occidentalis A. A. Heller 1938-5-28 15122 Butte 25 mi from Oroville (on the Feather River Highway) Comment
  CHSC38286  Downingia ornatissima var. ornatissima Vernon Oswald 1983-5-2 416 Butte Upper Bidwell Park, Chico 50 ft s of Upper Park Rd. and 300 ft e of its junction with Wildwood Ave. 83 Comment
  POM59142  Downingia bicornuta E. B. Copeland 1903-5-15 3176 Butte Chico. Comment
  UC1609088  Downingia ornatissima var. ornatissima Lowell Ahart 1993-5-17 6952 Butte about 1.5 mi n and 3 mi e Honcut (on the w side of Dunstone Road, about 12 mi se of Oroville) 60 Comment
  UC195392  Downingia insignis A. A. Heller 1914-5-30 11468 Butte about 6 mi nw Chico; Sacramento Valley Comment
  UCD80194  Downingia ornatissima CNPS SN Foothill Team 2005-4-13 SNFN 0120 Butte City of Chico, Chico Municipal Airport, 20 m N of fence across SE border of accessible area, about half the distance down paved road. 62 Comment
  CHSC186  Githopsis pulchella subsp. campestris M. Diven 1930-5-15 Butte Humboldt Rd. east of Chico. 243 Comment
  CHSC46114  Githopsis specularioides L. P. Janeway; Margie McNairn 1989-4-29 3227 Butte Near the old hwy 32, 1 1/4 mi north of Ten Mile House. 536 Comment
  CHSC50106  Githopsis pulchella subsp. campestris Vernon Oswald 1990-4-24 4170 Butte Lime Saddle Recreation Area on the West Branch of Lake Oroville, ca. 0.2 mi northeast of Nelson Bar Launch, ca. 0.2 mi east of Lime Saddle Powerhouse. 292 Comment
  SEINET12331825  Githopsis specularioides Unknown 1985-1 4967 Butte W of Lunt Road, about 0.5 mi N of the Intersection of LuntRoad and Highway 70, N of Yankee Hill, 503 Comment
  CHSC101168  Heterocodon rariflorum Lowell Ahart 2009-5-15 15699 Butte About 60 yards northwest of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 2/3 mile (air) west of Highway 32, about 10 miles northeast of Chico. 267 Comment
  SEINET7714837  Heterocodon rariflorum Unknown Butte Chico Comment
  CHSC29401  Nemacladus capillaris R. A. Schlising; R. Banchero 1980-6-17 3737 a Butte N of Magalia and De Sabla along Skyway, 1.2 mi NE of jct with Coutelenc Road at Lovelock. Comment
  CHSC106607  Celtis sinensis L. P. Janeway 2011-4-19 10234 Butte Cascade Range Foothills. Upper Bidwell Park, Chico; along the south side of Upper Park Road, north side of Big Chico Creek, 0.1 km west of beginning of Yahi Trail. 95 Comment
  CHSC2406  Lonicera interrupta R. Carter 1964-5-27 105 Butte 8 mi. E of Oroville, 200 yds. up Wakefield Dr. off Feathervale on N side of road. 121 Comment
  RSA30430  Lonicera conjugialis A. A. Heller 1915-6-27 11046 Butte Jonesville; Sierra Nevada. 1677 Comment
  CHSC48251  Cerastium fontanum subsp. vulgare Vernon Oswald 1984-5-16 1187 Butte Upper Bidwell Park, Chico, on the s side of Chico Creek at Five Mile Recreation Area. In lawn. 82 Comment
  UCD80206  Cerastium glomeratum CNPS SN Foothill Team 2006-4-24 SNFN 0418 Butte CDFG North Table Mountain Wildlife Area. 287 Comment
  CAS-BOT-BC388257  Cerastium glomeratum A. A. Heller 1914-4-6 11268 Butte Hills 8 miles north of Oroville Comment
  CHSC97407  Dianthus armeria subsp. armeria Robert Fischer 2006-6-28 1026 Butte Paradise. Sierra Nevada foothills, upper Paradise Pines, off Nimshew Road. 853 Comment
  CAS-BOT-BC174185  Eremogone congesta var. congesta Vernon Oswald; Lowell Ahart 1987-7-1 3054 Butte Scotts John Rd. 1.3 mi n of the road connecting Humboldt and Humbug Rds, ca. 2.5 mi ene of Jonesville. On the w side of Scotts John Creek 1828 Comment
  CAS-BOT-BC174105  Eremogone aculeata Anna Head 1921-7-20 s.n. Butte Trail above Round Lake, Feather River region Comment
  CHSC60827  Herniaria hirsuta subsp. hirsuta Vernon H. Oswald; Lowell Ahart 1993-6-22 5556 Butte Head Dam Rd (120C), 0.5 mi NW of Powellton Rd., between Powellton and Clear Creek, N of De Sabla. At roadside. 1091 Comment
  CHSC102828  Lychnis coronaria Lowell Ahart 2009-6-19 15935 Butte Along trail, onn the east side of Big Chico Creek, about 50 yards west ofTen Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. 203 Comment
  CHSC99480  Lychnis coronaria Lowell Ahart 2008-6-13 14826 Butte Banks of Oregon Gulch, bottom of an old gold mined area, about 400 yards southwest of the cemetery, about 10 miles (air) northeast of Oroville. 305 Comment
  CAS-BOT-BC174595  Minuartia californica H. E. Brown 1897-3-3 143 Butte Near Clear Creek 53 Comment
  CAS-BOT-BC388610  Minuartia douglasii John Thomas Howell 1978-4-17 52838 Butte Table Mountain 381 Comment
  HSC32406  Minuartia douglasii Gary S. Lester 1974-4-20 106 Butte Along Pentz Rd. 300 yds. S of intersection with Clark Rd. 76 Comment
  RSA636047  Minuartia californica Michael A. Vincent, Ethan H. Freid 1998-4-6 8122 Butte Table Mountain. Comment
  JEPS114588  Moenchia erecta subsp. erecta Lowell Ahart 2008-5-30 14800 Butte Mowed parking area at the cemetery, about 300 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville 331 Comment
  CHSC75265  Petrorhagia dubia Jennifer Slater 1997-4-20 26 Butte At the Wurlitzer addition of the Vina Plains Preserve, west of Highway 99, approx 10 miles north of Chico. 67 Comment
  JEPS115837  Petrorhagia dubia Lowell Ahart 2009-4-22 15573 Butte West side of Guardians Trail, south side of the drainage just north of Pine Trail, Upper Bidwell Park, west of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico 381 Comment
  CHSC64084  Pseudostellaria jamesiana B. Castro; R. A. Schlising, L. P. Janeway 1988-7-23 277 Butte Nr Scotts John Ck 2.7 mi N of the Butte Ck Rd. Edge of Ck. 1920 Comment
  CHSC31547  Sagina apetala L. Ahart 1974-4-11 392 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC98988  Sagina decumbens subsp. occidentalis Lowell Ahart 2008-5-8 14710 Butte Below the high water line of Lake Oroville, about 100 yards south of the poor parking area, about 50 yards east of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 259 Comment
  CHSC96827  Saponaria officinalis Lowell Ahart 2007-5-29 13933 Butte On the east side of Bald Rock Dome, gravel bar along the Middle Fork of the Feather River, about 2 miles by the trail from the trail head which is 3/10 mile east of Bean Creek Road, about 2 1/2 miles (air) northeast of Big Bald Rock, about 16 1/2 miles (air) northeast of Oroville. 608 Comment
  CHSC2447  Silene laciniata subsp. californica R. Carter 1965-7-6 277 Butte Found 1.4 mi. N of Mountain House on Oroville-Quincy Rd., on E bank above road. 914 Comment
  CHSC39296  Silene laciniata subsp. californica Lowell Ahart 1983-7-29 4253 Butte Found along the edge of the dirt road, about 2 miles east of Milsap Bar, about 25 miles north-east of Oroville. 900 Comment
  CHSC48263  Silene antirrhina Vernon Oswald 1987-5-21 2916 Butte Humboldt Rd. between Lomo and Butte Meadows, 0.6 mi ne of Hwy 32. 1173 Comment
  CHSC61308  Silene bernardina Lowell Ahart 1993-7-29 7113 Butte About 2 miles east of Bald Mountain, about 6 (air) miles north-east of Stirling City. 1524 Comment
  CHSC94273  Silene lemmonii Lowell Ahart 2006-7-16 12971 Butte West of a large wet meadow and bog, about 5 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows. 1569 Comment
  CHSC99664  Silene gallica H. Koeth; H. Jansen 2007-5-2 Butte Big Chico Creek Ecological Reserve, Chico (Forest Ranch). UTM10 610006E 4406721N. 471 Comment
  SEINET3861585  Silene occidentalis subsp. longistipitata E. B. Copeland 1930-7-28 635 Butte Jonesville.; 0 1550 Comment
  UC185513  Silene gallica Mrs. R. M. Austin May, 1896 859 Butte Little Chico Creek Comment
  UC600626  Silene douglasii H. F. Copeland 1932-7-24 Butte Jonesville Butte Creek drainage, Jonesville (near the rim w wall of Butte Creek drainage) Comment
  CDA33638  Silene gallica R. A. Price 2010-5-1 s.n. Butte Along Oroville Reservoir; northwest of bridge. 0 Comment
  CDA3449  Spergula arvensis subsp. arvensis L. Ahart 2003-6-23 10307 Butte Peter Ahart Ranch, about 1/2 mile east of the Palermo Honcut Highway, about 2 miles north of Honcut, about 12 miles south of Oroville. Comment
  CHSC45560  Spergula arvensis subsp. arvensis Lowell Ahart 1974-3-12 318 Butte In farmed fields, Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville. 36 Comment
  CAS-BOT-BC389945  Spergula arvensis Lowell Ahart 1990-1-17 6406 Butte East of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville 289 Comment
  CHSC41891  Spergularia rubra Lowell Ahart 1986-8-15 5389 Butte Along a branch of Last Chance Creek, about 1 mile west of Bald Mountain, about 4 1/2 miles north-east of Stirling City. 1371 Comment
  CHSC94600  Spergularia rubra Lowell Ahart 2006-9-11 13280 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  CAS-BOT-BC390129  Spergularia bocconi Lowell Ahart 1978-4-18 s.n. Butte Sutter Buttes Region. Peter Ahart Ranch, Honcut 50 Comment
  SEINET10537506  Spergularia rubra Lowell Ahart 1983-8-16 Ahart 4309 Butte T26N R4E section 32? On dry dark soil in a small mountain meadow, near Bull Hill Rd, ca. 3.5 mi south of Butte Meadows. Yellow Pine Forest; l600 m. 1600 Comment
  CHSC35037  Stellaria obtusa R. Schlising; R. Banchero 1980-8-1 3952 Butte On Forest Service road N of Philbrook Lake in N part of county. At margin of small stream. Comment
  CHSC45567  Stellaria nitens Lowell Ahart 1973-3-14 170 Butte On the west side of North Honcut Creek, Peter Ahart Ranch, about 1 1/4 miles north and 3 miles east of Honcut, about 12 miles south of Oroville. 45 Comment
  CHSC46555  Stellaria calycantha V. Oswald; L. Ahart 1989-7-21 3874 Butte Southwest branch of upper Butte Creek, ca. 0.7 mi (air) se of Summit Lake, ca. 4.5 mi (air) se of Jonesville. On the edge of the creek. 1828 Comment
  CHSC61639  Stellaria obtusa Lowell Ahart 1993-9-13 7229 Butte On the south side of Bolt Creek, about 1 mile south-east of Butte Meadows. 1325 Comment
  CHSC65336  Stellaria obtusa Lowell Ahart 1995-10-3 7675 Butte East of the dirt road, along a small branch of Willow Creek, about 1/2 mile west of Humbug Summit. 1981 Comment
  CHSC90186  Stellaria media Robert Kissane 1989-4-18 7 Butte On Moore's ranch, 2090 Oak Park Ave., Chico. 70 Comment
  CHSC96550  Stellaria media Lowell Ahart 2007-3-12 13590 Butte At the information sign, north side of Rutherford Road, 50 yards west of Pennington Road, Gray Lodge Wildlife Area (Gray Lodge Waterfowl Management Area), about 6 miles (air) southwest of Gridley. 21 Comment
  CAS-BOT-BC175315  Stellaria borealis subsp. sitchana R. A. Schlising 1982-6-16 4294 Butte E side of county, ne of Oroville and Brush Creek off Oroville-Quincy Road; Rogers Cow Camp site 1219 Comment
  JEPS110270  Velezia rigida Lowell Ahart 2006-6-9 12646 Butte On the south side of the service road to Bardees Bar along the North Fork of the Feather River, about 1/8 mile east of Highway 70, about 2 3/4 miles (air) southwest of Pulga 435 Comment
  SEINET10537543  Velezia rigida Mary Susan Taylor 1980-5-31 Taylor 2766 Butte T22N R4E sw sec 31. Kunkle Reservoir, on E side of Pentz-Magalia Hwy, ca. 2 mi SE of Paradise. With R.A. Schlising and L. Ahart. 442 Comment
  UC1101386  Ceratophyllum demersum Herbert L. Mason and Verne Grant 1946-8-14 13044 Butte Butte Sink Comment
  CHSC61029  Atriplex cordulata Vernon H. Oswald 1993-7-29 5734 Butte Gray Lodge Wildlife Management Area W of Gridley, on the W sid o f a levee road and on the S side of Rutherford Rd. just E of the headquarters complex, ca. 1.75 mi W of Pennington Rd. 19 Comment
  CHSC109763  Chenopodium strictum var. glaucophyllum Lowell Ahart 2012-10-28 18528 Butte About 50 yards east of the freeway, northwest of Table 2, Lower Bidwell Park, Chico. 67 Comment
  CHSC113945  Chenopodium album Lowell Ahart 2014-8-13 19698 Butte About 10 yards east of the Skyway, about one-mile north of Stirling City. 1142 Comment
  CHSC69680  Chenopodium pratericola Vernon Oswald 1987-6-15 3002 Butte Butte Creek Reserve on the n side of Butte Creek, ne of the Skyway. 76 Comment
  RSA0058878  Chenopodium strictum var. glaucophyllum Lowell A. Ahart 2008-7-23 15147 Butte On the north edge of the South Fork of the Feather River, about 10 yards east of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  UC1563283  Chenopodium album Lowell Ahart 1990-9-30 6609 Butte s side of creek about 1/8 mi e Canyon Creek Bridge across Lake Oroville (below high-water line of lake); Lake Oroville, East Fork of Canyon Creek 243 Comment
  CHSC43600  Dysphania multifida Vernon Oswald 1983-10-10 1057 Butte City of Chico Sewage Treatment Plant on Chico River Rd., 1/4 mi w of its jct with Alberton Ave. Comment
  JEPS128762  Dysphania ambrosioides Lowell Ahart 2016-10-12 21372 Butte Dave Daley Ranch, about one-mile northeast of Honcut, about 12 miles south Oroville. Comment
  UC1564781  Monolepis nuttalliana V. Oswald and L. Ahart 1989-6-27 3833 Butte ca. 3.3 mi. (air) s.e. Jonesville (Humbug Rd. at Butte Creek House, along Butte Creek); Butte Creek 1767 Comment
  JEPS103459  Polanisia dodecandra subsp. trachysperma Lowell Ahart 2002-9-27 9938 Butte Along the E side of the Sacramento River, NW of Parrott Landing, ca 1 mile SE of Ord Ferry, ca 2 miles SE of Ordbend, ca 12 miles (air) SW of Chico. 32 Comment
  JEPS115262  Polanisia dodecandra subsp. trachysperma Lowell Ahart, John Dittes, Josephine Guardino 2008-11-8 15437 Butte On the bottom of Lindo Channel, about 100 yards west of the diversion structure, north of Hooker Oak, Upper Bidwell Park, Chico 68 Comment
  RSA699521  Comandra umbellata subsp. californica R. D. Fischer 2004-4-11 60 Butte Sierra Nevada foothills within upper Bidwell Park in Chico on the E side addition along Hwy 32. Located along 10 Mile House Rd where it parallels Chico Creek. Creek side of rd. 229 Comment
  CAS-BOT-BC223608  Calystegia atriplicifolia subsp. buttensis R. K. Brummitt; R. Schlising 1998-5-16 19866 Butte Between Paradise and Magalia; beside Skyway 650 Comment
  CHSC37089  Calystegia malacophylla L. Ahart 1982-9-29 3832 Butte At N end of Lost Creek Reservoir Dam, ca. 2 mi NW of Strawberry Valley. 1100 Comment
  RSA716320  Calystegia atriplicifolia subsp. buttensis L. P. Janeway 2005-5-29 8401 Butte Northern High Sierra Nevada. Along major dirt road 2.6 km south of Stirling City towards West Branch Feather River crossing. 1006 Comment
  CHSC3441  Convolvulus arvensis Judy Potter 1966-5-14 Butte Nord Highway, 2 miles west of US 99E. Comment
  CHSC76939  Convolvulus arvensis Margie Collins 1894-5-1 Butte Chico. Comment
  JEPS115666  Convolvulus arvensis Lowell Ahart 2009-5-30 15787 Butte About 50 yards south of the fence and about 100 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico 269 Comment
  CAS-BOT-BC224424  Cuscuta californica Herbert L. Mason; Verne Grant 1946-9-27 13132 Butte Butte Sink. Graylodge Game Refuge Comment
  CHSC107581  Cuscuta pentagona Lowell Ahart 2011-8-17 17627 Butte About 10 yards north of the trail, north of the crossing and on the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. 203 Comment
  CHSC11909  Cuscuta indecora E. B. Copeland 1931-7-17 676 Butte Jonesville. Near the head of South Willow Creek. 1700 Comment
  CHSC54526  Cuscuta californica var. breviflora Vernon H. Oswald; Lowell Ahart 1991-8-19 4838 Butte East end of coon Hollow Rd (Forest Rd 26N74), near its junction with Forest Fd. 25N15 (to Philbrook Reservoir). 1706 Comment
  CHSC55056  Cuscuta subinclusa Lowell Ahart 1991-8-25 6706 Butte North side of the dirt road, Forest Rd 23N60 (Jordan Creek-Marble Creek Rd), east of Oroville-Quincy Hwy, about 5 miles (air) north-east of Brush Creek. 1097 Comment
  CHSC58908  Cuscuta californica var. breviflora Lowell Ahart 1992-7-21 6821 Butte On the south side of Coon Hollow, about 2 (air) miles north-east of Philbrook Reservoir. 1737 Comment
  UCD169293  Cuscuta campestris Lowell Ahart 2006-10-1 13388 Butte About 12 miles (air) southeast of Oroville, about 2 1/2 miles north and 2 3/4 miles east of Honcut, west of North Honcut Creek. 54 Comment
  CDA42841  Dichondra donelliana L. Ahart 2011-6-5 17367 Butte Just north of the small wash, on the west side of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 2 3/4 miles east of Honcut, about 12 miles (air) southeast of Oroville. Comment
  CHSC3311  Cornus florida M. Gregg 1966-4-13 65 Butte CSC campus behind the dining hall. Chico. Comment
  CHSC42728  Cornus glabrata Lowell Ahart 1987-4-30 5486 Butte On the banks of North Honcut Creek, aobut 2 1/2 miles north and 3 miles east of Honcut, about 12 miles southeast of Oroville. 67 Comment
  CHSC61640  Cornus sericea subsp. sericea Lowell Ahart 1993-9-13 7237 Butte On the west side of Bolt Creek, about 1 mile south-east of Butte Meadows. 1325 Comment
  CHSC92592  Cornus sessilis L. P. Janeway 2005-5-17 8392 Butte Northern High Sierra Nevada. Plumas National Forest; along unnamed creek 0.5 km west of Cedar Creek, 1.8 km north-northwest of its mouth at North Fork Feather River. 1097 Comment
  CHSC103949  Crassula connata Lowell Ahart 2010-4-30 16598 Butte Notth side of disk gold area, on a ridge about 250 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico. 360 Comment
  CHSC82225  Crassula tillaea Lowell Ahart 2002-4-10 9479 Butte Along the edge of the gravel roads, east of Parking Lot 10, Gray Lodge State Wildlife Management Area, about 4 miles (air) southwest of Gridley. 22 Comment
  JEPS87192  Crassula connata Lowell Ahart 1992-4-7 6742 Butte e side of Biggs Princeton Rd. and w. side of Southern Pacific R.R. in Biggs 30 Comment
  SEINET10449709  Crassula erecta Lowell Ahart, James D. Jokerst 1985-3-24 Ahart 4853 Butte Serpentine Point, west of Yankee Hill. Comment
  POM142368  Sedella pumila A. A. Heller, H. E. Brown 1902-5-7 5486 Butte Berry Canyon (Near Clear Creek). From the type region. Comment
  HSC43124  Sedella congdonii Maralyn O'Meara 1974-4-20 277 Butte Along Pentz Rd. 300 yds. S of the intersection with Clark Rd. 76 Comment
  CHSC40593  Calocedrus decurrens Lowell Ahart 1985-9-18 5168 Butte About 2 miles west of Sly Creek Reservoir, east of the intersection of Golden Trout Crossing road on Reville Ridge. 914 Comment
  JEPS119725  Calocedrus decurrens Lowell Ahart, Susan Bazell, Josephine Guardino, Wes Dempsey 2012-7-5 18267 Butte Cedar Grove, south of parking area, Lower Bidwell Park, Chico. Comment
  NY18988  Calocedrus decurrens E. B. Copeland 1931-7-28 603 Butte This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  OBI74985  Calocedrus decurrens Hannah M. Fugle 2011-1-15 1 Butte Magalia Reservoir. 50 ft N of Magalia Reservoir, ca. 0.5 mi NW of Coutelenc rd Comment
  CHSC27194  Chamaecyparis lawsoniana P. Moyer 1971-10-8 41 Butte CSUC Campus. Front lawn Admin. Bldg. 60 Comment
Read comments
Jul 25 2018
  CHSC3600  Cupressus nevadensis Gerry Carrauthers 1966-3-5 30 Butte 1/2 mi W. of 99E. Freeway on Highway 32. E. of city of Chico. Comment
Read comments
Jul 25 2018
  SEINET10531465  Cupressus macnabiana A. Arthur Heller 1918-5-5 Heller s.n. 1918 Butte Near Magalia in the yellow pine and Oak belt (Q. Kelloggii) on serpentine, where Cupressus Macabiana is locally plentiful, the common shrubs Ceanothus cuneatus and Eriodictyon. Comment
  SEINET10932809  Cupressus macnabiana Carl B. Wolf, E. R. Johnson 1934-10-5 Wolf 2121 Butte Sierra Nevada foothills, at Magalia. Upper sonoran:- Digger Pines. Sun. Bright green serpentine. 700 Comment
  CAS-BOT-BC80921  Juniperus californica Arthur Menzies 1969-8-1 s.n. Butte Near Gillem's Bluff, Little Butte Creek, Nelson West Rd & Chico-Butte City Hwy. Comment
  CAS-BOT-BC116741  Carex subfusca M. S. Taylor 1978-7-19 1748 Butte Cherry Hill Campground on S side of Old Humboldt Rd, ca 2 mi SW of Jonesville. 1524 Comment
  CAS-BOT-BC313736  Carex cyrtostachya P. F. Zika; B. Wilson; L. Ahart; L. Janeway 2011-8-5 25715 Butte Forest Rd 20N03 (Moreville Ridge Rd), 2 air miles SE of Sugar Pine Point, Pinkard Creek drainage, Northern Sierra Nevada highlands (n SNH) 1075 Comment
  CAS-BOT-BC94043  Carex inversa Peter F. Zika 2010-5-16 24827 Butte Baldwin Avenue near Spencer Avenue, Oroville, Ahart's station, Sacramento Valley (ScV) 65 Comment
  CHSC104809  Carex Lowell Ahart 2010-4-23 16579 Butte Lawn of home #1082, near the middle of and north side of E7th Street, between Sycamore Street and Linden Street, Chico. 63 Comment
  CHSC104847  Carex bolanderi Lowell Ahart 2010-6-12 16796 Butte Along the north side of a small stream, about 150 yards east of Ten Mile House Road, about 3/4mile (air) west of Highway 32, about 9 miles (air) northeast of Chico. 238 Comment
  CHSC113410  Carex abrupta Lowell Ahart 2014-7-10 19618 Butte About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir. 1664 Comment
  CHSC113953  Carex laeviculmis Lowell Ahart 2014-7-10 19608 Butte About 100 yards east of Memorial Spring and the Skyway,about a mile southwest of the intersection of Humbug Road and Philbrook Road, about 2-1/2 miles (air) northwest of Philbrook Reservoir. 1561 Comment
  CHSC113958  Carex vesicaria Lowell Ahart 2014-7-7 19577 Butte North of the bog, Coon Hollow, about 2 miles (air) north of Philbrook Reservoir. 1690 Comment
  CHSC33862  Carex nudata J. D. Jokerst 1980-4-1 536 Butte East Branch Mud Creek. Comment
  CHSC38895  Carex barbarae Vernon Oswald 1983-6-2 611 Butte Upper Bidwell Park, Chico, on Yahi Trail between Brown's Hole and the e end of the park. Growing on a rocky slope near Chico Creek. 198 Comment
  CHSC43898  Carex heteroneura var. heteroneura L. P. Janeway; C. A. Janeway 1986-8-31 1806 Butte Along Scotts John Cr at crossing of Jonesville-to-Humbug Summit Rd (26N27), 3 mi from Humboldt Rd. 1737 Comment
  CHSC43915  Carex barbarae L. P. Janeway 1987-6-8 2167 Butte Sandy flat along French Cr 0.5 mi W of the mouth of Ram Cr and the bridge. 609 Comment
  CHSC44292  Carex fracta Vernon Oswald 1988-6-20 3408 Butte East of Humboldt Rd. 1.4 mi ne of Lomo. Along the edge of the W. Branch of Butte Creek at the bottom of a ravine. 1292 Comment
  CHSC44694  Carex nervina L. P. Janeway; R. A. Schlising 1988-7-1 2930 Butte Mdw between two lakes at SE-most headwaters of Butte Cr. 1935 Comment
  CHSC45059  Carex nervina Vernon Oswald 1988-6-20 3409 Butte Jones Meadow Rd. e of Inskip at Last Chance Creek. 1560 Comment
  CHSC45068  Carex vesicaria Vernon Oswald 1987-6-9 2972 Butte Lily Pond 0.25 mi se of the benchmark on the s edge of Humbug Rd. between Butte Creek House and Snag Lake. 1813 Comment
  CHSC45614  Carex utriculata L. P. Janeway 1988-7-2 2952 Butte Marsh/mdw at upper reach of Brush Creek, ca 1.5 mi S of 'town' of Brush Creek. 952 Comment
  CHSC45747  Carex laeviculmis L. P. Janeway 1988-6-19 2839 Butte 3.3 mi N of Stirling City towards Inskip along logging rd 0.2 mi W of The Skyway. 1219 Comment
  CHSC46857  Carex bolanderi R. A. Schlising; P. Broyles 1988-7-3 4564 Butte SE of Stirling City, past '5 corners' at small stream. Comment
  CHSC52242  Carex nudata L. P. Janeway 1987-5-20 2089 Butte At edge of North Fork Feather River at the Plumas County line. 472 Comment
  CHSC52256  Carex nebrascensis L. P. Janeway; R. A. Schlising, B. Castro, Pauleen Broyles 1987-7-19 2496 Butte Coon Hollow, 1.0 mi SE of the Humbug Summit Rd. Gently sloping meadows on N side of the creek. 1661 Comment
  CHSC52846  Carex brainerdii L. P. Janeway; R. A. Schlising, B. Castro 1988-7-23 3079 Butte Top of ridge between Snag Lake and Butte Cr; ca 1.4 air mi W of Butte Creek House. 1935 Comment
  CHSC52852  Carex densa L. P. Janeway 1987-6-13 2188 Butte At the Crain Mill site, 1.6 mi N on Ponderosa Way (Rim Road) from Jarbo Gap. 883 Comment
  CHSC52864  Carex echinata subsp. echinata L. P. Janeway 1987-6-27 2348 Butte Meadow just E of Keyser Cr; 4.3 mi N of Ramsey Bar along the Concow Rd. 1478 Comment
  CHSC52871  Carex straminiformis L. P. Janeway; R. A. Schlising, B. Castro 1988-7-30 3138 Butte Ridge SE from Snow Mtn. Along N-facing ridgetop. 2103 Comment
  CHSC55447  Carex subfusca L. P. Janeway; R. A. Schlising 1988-7-22 3052 Butte Coon Hollow side of saddle between Coon Hollow and Chips Creek. 1920 Comment
  CHSC69057  Carex lemmonii Lowell Ahart 1997-8-1 7777 Butte Near some small streamlets of Little Kimshew Creek, in Snow Meadow, about 1/4 mile east of Table Mountain, about 8 miles (air) northeast of Stirling City. 1524 Comment
  CHSC77822  Carex praegracilis Lowell Ahart 2000-4-27 8331 Butte In the field on the east side of Pennington Road, about 100 feet north of Rutherford Road, Gray Lodge Waterfowl Management Area, about 6 miles (air) southwest of Gridley. 21 Comment
  CHSC78276  Carex lemmonii Lowell Ahart 2000-7-11 8569 Butte Seeps, on the sides of a dirt road, about 100 yards north of Lumpkin Ridge Road, upper west branch of Know-nothing Creek, about 1 mile southwest of the intersection of Lumpkin Ridge Road, road to Fall River, and the County Road, about 4 miles (air) northeast of Feather Falls. 1219 Comment
  CHSC84709  Carex subfusca L. P. Janeway 2003-6-8 7821 Butte High Cascade Range. Flea Valley: meadow at head of Concow Creek. 1100 Comment
  CHSC92369  Carex laeviculmis Robert F. C. Naczi; Lawrence P. Janeway 2004-7-23 10501 Butte Ca. 3 mi SSE of village of Butte Meadows, along Coon Creek at its crossing by the Skyway (county road 51262), (WGS84). 1551 Comment
  CHSC95995  Carex bolanderi L. P. Janeway; Marcia Waterway, Martin Lechowicz 2006-8-3 8824 Butte Northern High Sierra Nevada. Old pond below Lumpkin Ridge Road about 10 km east of Feather Falls and about 1.0 km southwest of Lumpkin Ridge Road junction with road to Cascade and Fall River; near head of western branch of Know-nothing Creek. 1209 Comment
  HSC96350  Carex hirtissima L. P. Janeway 2003-6-8 7816 Butte Flea Valley, meadow at head of Concow Creek 1116 Comment
  JEPS103107  Carex hoodii L. P. Janeway, B. Castro 2002-7-7 7619 Butte High Cascade Range. Along logging spur road, 0.5 km east of the County Road (Forest Service Road 25N02); 3.4 km northeast of Bald Mountain Lookout and 1.6 km southwest of Jones Meadow 1829 Comment
  JEPS117181  Carex Lowell Ahart 2010-4-23 16579 Butte Lawn of home #1082, near the middle of and north side of E7th Street, between Sycamore Street and Linden Street, Chico 63 Comment
  JEPS118053  Carex feta Lowell Ahart 2011-8-23 17649 Butte In the large meadow, Pinkard Creek flows through the meadow east of the corral, about 1 miles north of Lost Creek Reservoir Dam, about 4 miles (air) northeast of Clipper Mills 1133 Comment
  JEPS120138  Carex subfusca Lowell Ahart 2012-5-17 18085 Butte On both sides of horse trail, 10 to 50 feet north of the poor dirt road, about 100 feet south of Larch, south of Vallombrosa Avenue, Lower Bidwell Park, Chico. Comment
  JEPS121932  Carex abrupta Lowell Ahart 2014-7-10 19618 Butte About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir. Comment
  JEPS87705  Carex gracilior Lowell Ahart 1994-4-29 7291 Butte about 2 1/2 mi n and 2 3/4 mi e Honcut (on the w side of North Honcut Creek, about 12 mi se of Oroville); North Honcut Creek 54 Comment
  POM81647  Carex nudata C. C. Bruce 1897-05 1885 Butte Little Chico Comment
  SEINET3138432  Carex subfusca R. Tallent 1987-8-17 952 Butte Lassen National Forest; along Jones Creek, NE of Jonesville. 1720 Comment
  SEINET7559369 Image available Carex fracta Robert F. C. Naczi, A. A. Reznicek 2006-8-1 11398 Butte Ca 7.5 mi NE of community of Butte Meadows, along road to Humboldt Summit, ca 0.8 road mi S of (downslope from) Humboldt Summit. 1914 Comment
  SEINET8469644 Image available Carex nervina L. Janeway, Gog, L 2008-1 3195 (A & B) Butte Just E of Philbrook Reservoir Comment
  SEINET8573590 Image available Carex specifica L. Janeway, Gog, L 2008-1 3200 Butte Scott's John Creek. Intersection with Rd 26N27. Comment
  UC1609342  Carex bolanderi Lowell Ahart 1993-6-26 7008 Butte about 1/4 mi w Lost Creek Reservoir (on the n side of the dirt road) 1036 Comment
  CAS-BOT-BC119561  Carex nudata L. P. Janeway 1989-5-19 3269 Butte Paradise East quad. W Branch Feather River at crossing of road from Magalia to Sawmill Peak 481 Comment
  CAS-BOT-BC17808  Carex amplifolia L. P. Janeway 1988-6-25 2874 Butte Creek along Bull Hill Road 2.2 miles from the Skyway. 1508 Comment
  CAS-BOT-BC19416  Carex bolanderi L. P. Janeway 1988-6-19 2838 Butte 3.3 mile north of Stirling City towards Inskip, along loggin road 0.2 mile west of Skyway. 1219 Comment
  CAS-BOT-BC320482  Carex cyrtostachya Lowell Ahart 2000-7-7 8558 Butte On the north side of Lumpkin Ridge Road, upper west branch of Know-nothing Creek, about 1 mile southwest of the intersection of Lumpkin Ridge Road, road to Fall River, and the County Road, about 4 miles (air) northeast of Feather Falls 1219 Comment
  CAS-BOT-BC34956  Carex densa L. P. Janeway 1988-4-10 2616 Butte Below Centerville Road (Humbug Road) 1.0 mile NE of Honey Run Road. 115 Comment
  CAS-BOT-BC7557  Carex integra L. P. Janeway; R. A. Schlising 1988-7-22 3044 Butte Just below saddle between Coon Hollow and Chips Creek. West facing rocky outcrop near dry minor drainage. 1889 Comment
  SEINET10650517  Carex feta Lawrence P. Janeway 1988-6-14 Janeway 2765 Butte T24N, R3E. Cohasset quad. NE1/4 of sec. 3. NW side of canyon of W Br Butte Cr, 1.1 mi E of Hwy 32 along road to Ewalt Camp. Seep and ditch along dirt road in mixed conifer forest. With C. bolanderi. 945 Comment
  SEINET10785808  Carex xerophila John Thomas Howell, Gordon H. True 1969-4-9 Howell 45490 Butte Magalia. 701 Comment
  SEINET10935491  Carex Mary Susan Taylor 1981-5-6 Taylor 3626 Butte T21N R7E sw sec 30, Forbestown quad. W side of rd leading to Jackson Ranch, ca. 5 air mi N of Feather Falls. Yellow Pine Forest; 3700 ft. 1128 Comment
  UCD140199  Carex brainerdii L. P. Janeway 1988-6-14 2785 Butte upper reaches of Haw Creek, 1.75 air miles SE of Lomo. 1226 Comment
  UCD141168  Carex subfusca L. P. Janeway; R. A. Schlising 1988-7-22 3075 Butte just above the High Lakes Road 3.4 miles west of the pass. 1905 Comment
  UCSB63750  Carex praegracilis Janeway, L. 1996-5-27 Butte Cherokee quad.; T21N, R4E, NW1/4 of NW1/4 of sec. 4; south side of Lunt Road; 300 ft. east of Nelson Bar Road; between Lunt Road and a branch of Hodapp Creek 457 Comment
  CAS-BOT-BC113842  Cyperus niger var. capitatus Verne Grant; Herbert L. Mason 1946-9-27 13141 Butte Three miles west of Biggs. Comment
  CAS-BOT-BC114021  Cyperus rotundus L. P. Janeway; C. A. Janeway 1986-9-10 1839 Butte Within the city of Chico, on the CSU Chico Campus. Chico Quad. 59 Comment
  CAS-BOT-BC114603  Cyperus eragrostis James D. Jokerst 1983-1-17 1687 Butte Table Mountain, W edge of the mesa ca. 75 m N of point where Flag Canyon ends in a waterfall. 396 Comment
  CAS-BOT-BC114703  Cyperus bipartitus Lowell Ahart 1981-9-15 3169 Butte Along French Creek. 1300 Comment
  CDA13826  Cyperus erythrorhizos G. F. Hrusa, T. D. Wilfred 1996-9-5 13554 Butte Butte Basin; Butte Creek immed. below Western Canal District Dam. Comment
  CHSC102739  Cyperus strigosus Lowell Ahart 2009-8-3 16256 Butte On the east side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. 236 Comment
  CHSC34198  Cyperus difformis J. D. Jokerst; L. Ahart 1981-9-26 1492 Butte Moist swale ca 110 m E of Sacramento River at the Bidwell River State Park (Chico Landing) ca 5.0 mi W of Chico. Comment
  CHSC40904  Cyperus squarrosus Lowell Ahart 1985-11-7 5232 Butte About 80 feet below the high water line of Lake Oroville, on the bottom of the South Fork of the Feather River, about 300 yards north-west of the Ponderosa Dam. 277 Comment
  CHSC4293  Cyperus eragrostis M. M. Gregg 1966-5-27 182 Butte CSC Campus: in lawn, across from the Dick Lewis Memorial Barbecue Pit. Which is found behind the dining hall. Chico. Comment
  CHSC43283  Cyperus flavescens Lowell Ahart 1987-8-30 5865 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC56608  Cyperus squarrosus L. P. Janeway; R. A. Schlising 1988-7-16 3036 Butte Vernal pool next to Humbug Summit Road ca 0.8 mi west of Butte Creek House. 1805 Comment
  CHSC68351  Cyperus bipartitus L. P. Janeway 1986-9-20 1876 Butte At edge of gravel bar along east side of Sacramento River; just southeast of the Ord Ferry Road bridge. 28 Comment
  CHSC68395  Cyperus niger L. P. Janeway; C. A. Janeway 1986-10-4 1909 Butte Gravel bar along Butte Creek about 2 1/2 mi east of The Skyway. 45 Comment
  CHSC68420  Cyperus strigosus L. P. Janeway 1988-6-29 2904 Butte Spring where Crouch Ravine fades into Coon Ridge; 1/4 mi south of the Skyway, 2.9 mi east of the Skyway bridge over Butte Creek. 170 Comment
  CHSC76425  Cyperus squarrosus Lowell Ahart 1999-10-28 8302 Butte Large disturbed area along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 32 Comment
  CHSC78486  Cyperus flavescens Lowell Ahart 2000-8-23 8664 Butte On the margins of a small pond, about 1/2 mile west of Pacific Heights road, Oroville Wildlife Area, about 4 miles (air) southwest of Oroville. 42 Comment
  CHSC97724  Cyperus niger Lowell Ahart 2007-11-3 14554 Butte Below the high water line of Lake Oroville, about 3/4 mile east of the Power House below Kunckle Reservoir, about 1 1/4 miles north of the Lime Saddle Campground, about 5 miles (air) southeast of Paradise. 259 Comment
  JEPS104601  Cyperus fuscus Lowell Ahart 2000-9-15 8688 Butte West of a large pond on the east side of the Sacramento River, NW of Parrott Landing, about 1 mile SE of Ord Ferry, about 2 miles SE of Ordbend, about 12 miles (air) SW of Chico. 32 Comment
  JEPS108959  Cyperus strigosus Lowell Ahart 2006-9-11 13299 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  JEPS113671  Cyperus niger Lowell Ahart 2007-8-19 14487 Butte About 2 1/4 miles (air) southeast of Honcut, about 13 miles (air) southeast of Oroville 49 Comment
  JEPS115648  Cyperus strigosus Lowell Ahart 2009-8-13 16276 Butte About 100 yards east of the diversion structure that controls Mud Creek diversion and Lindo Channel, northeast of Hooker Oak, Upper Bidwell Park, Chico 68 Comment
  JEPS119891  Cyperus squarrosus Lowell Ahart 2012-6-5 18161 Butte On the bottom of Beatson Hollow, about 1 1/4 miles northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 6 miles (air) north of Oroville. Comment
  JEPS64114  Cyperus squarrosus H. A. Dutton 1921-1 Butte Hooker Oak Chico Comment
  JEPS88227  Cyperus strigosus Vernon H. Oswald and Lowell Ahart 1996-6-10 7730 Butte at n. end of Riparian Sanctuary Sacramento River Nat'l Wildlife Refuge (Llano Seco Unit, U.S. Fish and Wildlife Service parcel between 7 mi. Lane and Sacramento R.); , Llano Seco Unit 28 Comment
  SEINET9781676 Image available Cyperus difformis Richard Carter 2006-7-30 Butte N Chico, 0.3 mi N jct. Nord Hwy and Esplanade, between Esplanade and Hwy CA 99 Comment
  UC1100532  Cyperus eragrostis Herbert L. Mason and Verne Grant 1946-8-15 13050 Butte #833 Irrigation Ditch near caretaker's house Greylodge Game Refuge; Butte Sink, Greylodge Game Refuge Comment
  UC478548  Cyperus squarrosus E. B. Copeland 1931-7-17 612 Butte Jonesville 1700 Comment
  CAS-BOT-BC114077  Cyperus squarrosus Lowell Ahart 1974-7-1 s.n. Butte Bottom of a small wash, Peter Ahart Ranch, Honcut. 45 Comment
  CAS-BOT-BC114205  Cyperus strigosus Lowell Ahart 1982-9-12 3796 Butte On the banks of North Honcut Creek, Peter Ahart Ranch, 50 Comment
  CAS-BOT-BC114377  Cyperus erythrorhizos Forman Taylor McLean 1921-9-25 11 Butte Weed on rice dykes. Wilson. Comment
  RSA78212  Cyperus strigosus E. K. Balls, Percy C. Everett 1952-10-14 18217 Butte 2.6 miles SW of Butte-Plumas County line. Highway 24. 274 Comment
  SEINET11750563  Cyperus difformis R. A. Schlising 1979-1 3503 Butte along Sacramento River W of Chico, just N of Chico Landing Site in Bidwell River State Comment
  SEINET176617  Cyperus inflexus E. B. Copeland 1931-7-17 612 Butte Jonesville. 1700 Comment
  SEINET9084437  Cyperus niger L. Ahart 2000-6-17 8489 Butte North Table Mountain, W side of Cherokee Road, W of the cow chute and the large parking area, W of the lone oak tree, ca 7 air miles N of Oroville.. 404 Comment
  CAS-BOT-BC112785  Eleocharis macrostachya John Thomas Howell 1959-9-20 34660 Butte Lower foothills, eastern outskirts of Oroville. 60 Comment
  CAS-BOT-BC113212  Eleocharis parishii Holm 1903-5-30 3280 Butte Chico Comment
  CAS-BOT-BC113454  Eleocharis bella Lowell Ahart 1981-8-15 3030 Butte Ca. 1.5 miles S of Snag Lake (ca. 3 mi S of Jonesville). 1726 Comment
  CHSC109771  Eleocharis macrostachya Lowell Ahart 2012-10-28 18534 Butte South of Table 34, west of Cedar Grove, Lower Bidwell Park, Chico. 68 Comment
  CHSC46686  Eleocharis suksdorfiana V. Oswald; L. Ahart 1989-8-15 3936 Butte Soda Ridge Rd, 1.4 mi w of its junction with Coon Hollow Rd, ca. 1.2 mi (air) n of Philbrook Reservoir. Meadow adjacent to a shallow spring-fed lake n of and visible from the road. 1752 Comment
  CHSC68423  Eleocharis acicularis var. occidentalis L. P. Janeway; R. A. Schlising 1988-7-16 3026 Butte Large meadow at headwaters of Willow Creek. 1935 Comment
  CHSC68434  Eleocharis macrostachya L. P. Janeway 1986-10-19 1939 Butte Along small creek feeding Thermalito Forebay from the northeast; between the forebay and Hwy 99, and just north of Thermalito Forebay State Park picnic grounds. 67 Comment
  CHSC78188  Eleocharis macrostachya Lowell Ahart 2000-5-21 8376 Butte Slickens from the Cherokee mine, on the east side of Clark Road (Highway 191), about 200 yards south of Dry Creek, about 10 miles (air) northwest of Oroville. 60 Comment
  CHSC78308  Eleocharis quinqueflora Lowell Ahart 2000-7-5 8553 Butte South margin of the boggy area in a large spring like area, west of the lone oak tree, west of the cow chute and the large parking area on the west side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 403 Comment
  JEPS98468  Eleocharis bella Lowell Ahart 2000-9-15 8689 Butte 2 mi SE of Ordbend (N of a large pond on E side of Sacramento River, NW of Parrott Landing, 1 mi SE of Ord Ferry, 12 air miles SW of Chico) 32 Comment
  UCD49723  Eleocharis engelmannii Beecher Crampton 1957-9-17 4630 Butte Biggs Rice Exper. Sta. 5 miles northwest Biggs, Butte County. Comment
  SEINET10467320  Eleocharis rostellata Mary Susan Taylor Taylor 837 Butte Bidwell Park, Chico. Comment
  SEINET10971840  Eleocharis ovata Mary Susan Taylor 1978-7-22 Taylor 1842 Butte Ca. 20 ft E of the Midway, ca. 7 mi S of Durham, S of Chico, in rice field. 30 Comment
  SEINET7586858 Image available Eleocharis palustris E. B. Copeland 1931-7-15 613 Butte Jonesville. 1750 Comment
  CHSC84884  Eriophorum gracile R. D. Fischer 2003-6-29 9 Butte Northern Sierra Nevada. Chico Meadows, 1 mile north of Butte Meadows on rd 26N09 in the Boy Scout Camp, Camp Lassen. In mdw just north of the lake. 1280 Comment
  JEPS114774  Isolepis setacea Lowell Ahart 2008-7-23 15149 Butte On the north edge of the South Fork of the Feather River, about 10 yards east of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam 258 Comment
  CAS-BOT-BC111944  Kyllinga brevifolia John Thomas Howell 1959-9-20 34641 Butte Lower foothills, eastern outskirts of Oroville. 60 Comment
  JEPS107967  Kyllinga brevifolia Lowell Ahart 2005-8-14 12332 Butte Edge of ponds, Oroville Wildlife Area, about 1/2 mile west of Pacific Heights Road, about 3 1/2 miles (air) northwest of Palermo 28 Comment
  CHSC39399  Lipocarpha micrantha L. Ahart 1983-9-17 4430 Butte Ca. 1/8 mi ne of Kunkle Reservoir, south of Paradise. 600 Comment
  UCD49963  Schoenoplectus mucronatus Carl M. Wick 1983-6-1 s.n. Butte CA. Butte Co. 2 1/2 mis. n. of the Richvale Hwy, on Erickson Rd. Comment
  CHSC45186  Scirpus congdonii Lowell Ahart 1984-7-19 4754 Butte Bog like meadow, about 1/2 mile east of Bald Mountain, about 5 air miles north-east of Stirling City. 1905 Comment
  SEINET10467323  Scirpus carinatus Mary Susan Taylor 1981-5-6 Taylor 3622 Butte T21N R7E sw sec 30, Forbestown quad. W side of rd leading to Jackson Ranch, ca. 5 air mi N of Feather Falls. Yellow Pine Forest; 3700 ft. 1128 Comment
  SEINET10502775  Scirpus Mary Susan Taylor 1980-6-7 Taylor 2790 Butte S side of Hwy 162, at Butte County/ Glenn County border, ca. 20 mi N of Chico. 30 Comment
  UCSB63988  Scirpus microcarpus Janeway, L. 1995-8-2 Butte T22N, R6E, SE1/4 of SW1/4 of sec. 3; Soapstone quad.; head of minor drainage into Haphazard Creek; west side of Oroville-Quincy Hwy.; 0.55 mi south of the county line; southwest corner of crossing of an un-numbered dirt road 1478 Comment
  CHSC51867  Drosera rotundifolia L. P. Janeway 1987-6-27 2364 Butte Large mdw on E slope of Bald Mtn along the Concow ... Field redacted by CHSC, contact the data manager for more information 1706 Comment
  RSA0011687  Drosera rotundifolia H. F. Copeland 1931-8-8 1421 Butte Jonesville. Comment
  CHSC42012  Dryopteris arguta Lowell Ahart 1975-3-7 705 Butte About 1 mile west of the Forbestown Reservoir, north-east of Forbestown. 426 Comment
  SEINET10530142  Dryopteris arguta Mary Susan Taylor 1980-3-8 Taylor 2376 Butte Pulga community, ca. 1 mi NE of Hwy 70, ca. 28 mi NE of Oroville; serpentine soils. 488 Comment
  CAS-BOT-BC76651  Polystichum munitum Javier Penalosa 1962-6-18 2446 Butte Near confluence of French and Peavine Creeks. 609 Comment
  CHSC103111  Polystichum imbricans subsp. curtum Lowell Ahart 2009-6-30 15971 Butte Around large boulders on the east bank of Big Chico Creek, on the west side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico 234 Comment
  CHSC116277  Polystichum imbricans subsp. curtum Lowell Ahart 2015-10-23 20582 Butte On the south side of Forbestown Resevoir, about 400 yards southeast of the Forbestown Resevoir Dam, about 4 miles (air) northeast of Forbestown. 564 Comment
  CHSC24671  Polystichum californicum C. E. Stopher; K. R. Stern 1976-4-13 24 Butte 2.8 km sse of Forest Ranch. 489 Comment
  CHSC28416  Polystichum imbricans M. S. Taylor 1979-10-5 2232 Butte Se side of Paradise Lake, ca. 1/2 mi n of Coutolenc Rd., ca. 5 mi n of Magalia. 731 Comment
  CHSC86424  Polystichum imbricans subsp. imbricans R. D. Fischer; Paul Maslin 2004-2-7 54 Butte Sierra Nevada Range, west of Hwy 32 between Chico and Forest Ranch within Big Chico Creek Ecological Reserve (BCCER). Plants located about half mile south of main entrance. UTM: 10 609952E 4408993N. 380 Comment
  RSA700216  Polystichum imbricans subsp. curtum L. Ahart 2004-6-22 11118 Butte On the east side of Doe Mill Road, about 1/4 mile southeast of the bridge across Butte Creek, about 2 1/4 miles (air) southeast of Forest Ranch, about 5 (air) miles west of Stirling City 629 Comment
  RSA700221  Polystichum imbricans subsp. imbricans L. Ahart 2004-6-22 11117 Butte On the east side of Doe Mill Road, about 1/4 mile southeast of the bridge across Butte Creek, about 2 1/4 miles (air) southeast of Forest Ranch, about 5 (air) miles west of Stirling City 629 Comment
  CAS-BOT-BC72295  Polystichum imbricans subsp. imbricans Lowell Ahart 1984-5-28 4648 Butte below a dirt road about 1 1/4 miles northeast of the West Branch Bridge, about 2 miles south of Old Yankee Hill 450 Comment
  SEINET10530114  Polystichum imbricans Mary Susan Taylor 1981-4-14 Taylor 3530 Butte T22N R4E sw sec 12. Pulga SW quad. Mixed Coniferous Forest, loamy soil over rocky base, on Ponderosa Way(Rim Rd) ca. 2 mi N of Jarbo Gap on Hwy 70, ca. 20 air mi N of Oroville. 2900 ft. 884 Comment
  CHSC42129  Elatine rubella Lowell Ahart 1984-5-8 4596 Butte About 2-1/2 mies north and 1/4 mile east of Honcut, about 12 miles south of Oroville. 36 Comment
  CHSC82219  Elatine heterandra Lowell Ahart 2002-4-22 9523 Butte On the bottom and sides of ponds and ditches, east of Parking Lot 10, Gray Lodge State Wildlife Management Area, about 4 miles (air) southwest of Gridley. 22 Comment
  JEPS122236  Elatine ambigua Lowell Ahart 2014-9-28 19881 Butte Peter Ahart Ranch, about 2 1/4 miles north and 1/2 mile east of Honcut. Comment
  UC1101557  Elatine ambigua Herbert L. Mason 1946-8-15 13051 Butte near caretaker's house (#833 Irrigation Ditch); Butte Sink, Greylodge Game Refuge Comment
  CHSC57331  Equisetum hyemale subsp. affine Michelle T. Wagner 1990-4-19 17 Butte 3 mi e of Butte Meadows, 25 ft sw of creek. 762 Comment
  CHSC66068  Equisetum laevigatum Vernon H. Oswald 1996-5-22 7617 Butte U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento River National Wildlife Refuge, Llano Seco Unit. 30 Comment
  SEINET10530314  Equisetum telmateia var. braunii Mary Susan Taylor, K. Tharp 1982-4-8 Taylor 4288 Butte T19N R4E border sac 1/2. Oroville quad. Along both side of Oroville Dam Blvd (Alt. 40), ca. 1.5 mi s of Oroville Dam Visitors Center, Oroville. Foothill Woodland; 800 ft. 244 Comment
  SEINET10899891  Equisetum hyemale var. affine Mary Susan Taylor 1978-7-19 Taylor 1731 Butte Cherry Hill Campground, on S side of Old Humboldt Road, ca. 2 mi SW of Jonesville. 1524 Comment
  CHSC13800  Arbutus unedo M. S. Taylor 1974-11-22 334 Butte In President's back yard, California State University, Chico, campus. Comment
  CAS-BOT-BC38527  Arctostaphylos mewukka subsp. truei John Thomas Howell 1975-6-15 51109 Butte Paradise. Skyway just ne. of Billie Rd. 609 Comment
  CAS-BOT-BC38554  Arctostaphylos mewukka subsp. truei John Thomas Howell 1976-7-14 51817 Butte Just NE of Pulga Bridge. 417 Comment
  CAS-BOT-BC38865  Arctostaphylos manzanita subsp. manzanita Frances Brown 1935-2-11 s.n. Butte Durham Comment
  CAS-BOT-BC46717  Arctostaphylos patula Saichi Kawahara 1968-5-5 398 Butte Bull Road, 3 mi. s. of Humboldt Rd. 1524 Comment
  CAS-BOT-BC46721  Arctostaphylos patula M. S. Taylor 1976-8-24 1074 Butte Scattered on Big Bald Rock, ca. 1/4 mi. w. of Bald Rock rd., ca. 3 mi. e. of Lake madrone, ca. 13 mi. ne. of Oroville. 997 Comment
  CAS-BOT-BC47380  Arctostaphylos viscida subsp. viscida John Thomas Howell 1975-6-15 51100 Butte about 2 miles from Paradise on Skyway to Chico 396 Comment
  CAS-BOT-BC47388  Arctostaphylos viscida subsp. viscida John Thomas Howell 1975-6-15 51105 Butte about 2 miles from Paradise on Skyway to Chico 396 Comment
  CHSC88610  Arctostaphylos viscida subsp. viscida Linnea Hanson 1984-3-29 232 Butte Plumas National Forest. On dirt road north of Hwy. 70, at Jarbo Gap. 975 Comment
  LA42219  Arctostaphylos patula H. F. Copeland; 1932-6-29 A 7 Butte Jonesville, the Summit Comment
  RSA31836  Arctostaphylos mewukka A. A. Heller 1940-2-6 15491 Butte Neal Road, Paradise, at the Game Refuge above Bowle's Manzsion. Comment
  RSA632990  Arctostaphylos manzanita Jon E. Keeley 1996-6-20 27461 Butte Approximately 1/2 km west of Cohasset. 570 Comment
  RSA632993  Arctostaphylos manzanita Jon E. Keeley 1996-6-20 27452 Butte Approximately 1/2 km west of Cohasset. 570 Comment
  RSA632997  Arctostaphylos manzanita Jon E. Keeley 1996-6-20 27475 Butte Cohasset. 630 Comment
  RSA633001  Arctostaphylos manzanita Jon E. Keeley 1996-6-20 27460 Butte Approximately 1/2 km west of Cohasset. 570 Comment
  SEINET10973498  Arctostaphylos patula Mary Susan Taylor 1980-5-8 Taylor 2602 Butte T24N R3E e half nw sec 33. Paradise quad. Ca. 3 mi N of Forest Ranch, ca. 1 mi E of Hwy 32; area soon to be deve loped; Yellow Pine Forest. 853 Comment
  UC725336  Arctostaphylos mewukka A. A. Heller 1942-1-4 16346 Butte on Pentz-Magalia Rd 4 mi below Paradise Comment
  UC726979  Arctostaphylos mewukka A. A. Heller 1942-1-4 16347 Butte Pentz-Magalia Rd 4 mi below Paradise Comment
  UCD51945  Arctostaphylos truei John Thomas Howell 1975-6-15 51091 Butte In Upper Sonoran Zone on volcanic rock, about 2 miles from Paradise on 'Skyway' to Chico, Butte County. 396 Comment
  UCD52249  Arctostaphylos manzanita John Thomas Howell 1976-4-2 51566 Butte In Upper Sonoran Life Zone on volcanic rock; about 2 miles from Paradise on 'Skyway' to Chico. 396 Comment
  UCD52620  Arctostaphylos viscida B. F. Smith 1971-7-20 95 Butte 3.2 miles north of Magalia, Butte County, California. 792 Comment
  SEINET10914129 Image available Arctostaphylos mewukka A. Arthur Heller 1940-2-6 Heller 15493 Butte On the Wagstaff Road near the junction with the Neal Road, Paradise Transition Life Zone. Comment
  CHSC44162  Chimaphila menziesii Vernon H. Oswald; Lowell Ahart 1988-7-29 3649 Butte Ca. 5 mi (air) se of Jonesville on the ridge running eastwards from the peak of Snow Mtn. 2097 Comment
  UC600607  Chimaphila umbellata E. B. Copeland 1929-7-1 Butte along Butte Creek Jonesville 1550 Comment
  CAS-BOT-BC451372  Chimaphila menziesii E. B. Copeland 1930-7-27 433 Butte Jonesville, along Butte Creek 1600 Comment
  CHSC73415  Gaultheria ovatifolia B. Castro; L. Gehrung 1995-6-20 577 Butte Ca 4 air mi NE of Feather Falls, towards northeastern end of Watson Ridge, in N-trending ravine S of sharp bend in USFS Rd 22N24. 1173 Comment
  CHSC47675  Leucothoe davisiae Lowell Ahart 1989-9-21 6396 Butte Along a small branch of French Creek, on the north side of the gravel road, east of a small pond, about 1 mile west of the Sly Creek Reservoir. 1158 Comment
  CAS-BOT-BC458148  Pleuricospora fimbriolata E. B. Copeland 1929-7-13 436 Butte Jonesville 1550 Comment
  CAS-BOT-BC458153  Pleuricospora fimbriolata Lowell Ahart 1985-7-16 5148 Butte 4 miles E of Cherry Hill, south of Willow Creek, about 100 meters SW of the Section Corner of Sections 17, 16, 20, and 21, about 4 miles E of Cherry Hill, about 7 miles NE of Butte Meadows 1828 Comment
  CHSC2448  Pterospora andromedea R. Carter 1965-7-6 274 Butte Found along E side of Oroville-Quincy Rd., 5.2 mi. N of Mountain House, ca. 15' from road in open woods. 1219 Comment
  UC474261  Pterospora andromedea H. F. Copeland 1930-7-21 Butte Butte Creek Jonesville Comment
  SD3515  Pyrola picta E. B. Copeland 1930-7-29 435 Butte Jonesville 1600 Comment
  UC474250  Pyrola picta H. F. Copeland 1930-7-21 Butte Jonesville, below cabin Jonesville Comment
  SD111937  Rhododendron occidentale Barbara Ertter, Peter Strachan, and Lowell Ahart 1980-5-8 3319 Butte North Honcut Creek on Peter Ahart Ranch, ca. 2.5 miles northeast of Huncut between Marysville and Oroville. 49 Comment
  POM77200  Rhododendron occidentale var. californicum C. C. Bruce 1898-06 2472 Butte Forest Ranch. Comment
  UC436291  Sarcodes sanguinea E. B. Copeland Jul 1930 Butte Jonesville 1550 Comment
  CAS-BOT-BC466195  Sarcodes sanguinea John Copeland 1931-7-1 671 Butte Jonesville 1550 Comment
  CAS-BOT-BC193407  Vaccinium uliginosum F. N. Bassett 1923-7-16 s.n. Butte Jonesville via Butte Meadows Comment
  CHSC33244  Vaccinium membranaceum R. A. Schlising; R. Banchero 1980-7-14 3889 Butte 1.1 mi S of Inskip along Skyway. Comment
  CDA34264  Chamaesyce maculata L. Ahart 2009-10-8 16414 Butte About 20 yards northeast of Parking Lot 12,Gray Lodge Waterfowl Management Area. Approximately, 7 miles (air) southwest of Gridley. Comment
  CHSC38438  Chamaesyce glyptosperma Vernon Oswald 1983-7-3 800 Butte Upper Bidwell Park, Chico, at the Rod and Gun Club. In the parking lot. 103 Comment
  CHSC38441  Chamaesyce ocellata Vernon Oswald 1983-7-22 900 Butte Upper Bidwell Park, Chico, on the edge of Upper Park Rd. near the w entrance to Parking Area K (Bare Hole). 128 Comment
  CHSC94603  Chamaesyce maculata Lowell Ahart 2006-9-13 13327 Butte South of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, poor road on the north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville. 452 Comment
  JEPS113492  Chamaesyce maculata Lowell Ahart 2007-7-2 14242 Butte East road edge of Oroville Quincy Highway, about one mile south of Big Ridge Road, about 9 miles (air) northeast of Oroville 362 Comment
  JEPS94872  Chamaesyce ocellata subsp. ocellata Lowell Ahart 1998-9-11 8058 Butte about 7 air mi n of Oroville (about 1/4 mi w of the cow chute on w side of Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road 388 Comment
  RSA754842  Chamaesyce maculata L. Ahart 2009-8-15 16283 Butte Garden area, Peter Ahart Ranch, about 1.5 miles north and 1 miles east of Honcut, about 12 miles south of Oroville. 34 Comment
  JEPS122254  Euphorbia maculata Lowell Ahart 2014-9-23 19879 Butte On the northeast part of Horseshoe Lake, about 100 yards northeast of the Rod and Gun Club, Upper Bidwell Park, about one mile east of Chico. Comment
  RSA70383  Euphorbia ocellata var. ocellata F. W. Peirson 1923-7-21 3760 Butte north of Chico. Comment
  CHSC84853  Sapium sebiferum Gavin Blosser 2003-10-23 Butte Northern High Sierra Nevada Foothills. Between Bidwell Canyon Drive and Lake Oroville, 440 ft south of Arroyo Drive and 2200 ft south-southwest of Bidwell Canyon Campground. In a drainage. 283 Comment
  CHSC116168  Acmispon nevadensis var. nevadensis Lowell Ahart 2015-6-16 20229 Butte About 4 miles (by road) northwest of Fall River Bridge, about 5 1/2 miles (air) northwest of Camp 18, about 9 miles (air) northeast of Feather Falls. 1406 Comment
  CHSC2835  Acmispon wrangelianus David Prall 1965-4-25 29 Butte Growing on roadside bank, on north side of Humbug Rd. 0.3 miles west of junction with Honeyrun Rd. (cvered Bridge). 152 Comment
  CHSC40895  Acmispon nevadensis Lowell Ahart 1985-11-5 5224 Butte About 50 feet below the high water line of Lake Oroville, about 1/2 mile west of the Ponderosa Dam. near where Sucker Creek flows into the South Fork of the Feather River. 286 Comment
  CHSC50408  Acmispon grandiflorus var. macranthus Vernon Oswald; Lowell Ahart 1990-6-27 4324 Butte Jordan Creek-Marble Creek Rd (23N60) near Spoon Ravine, east side of Oro-Quincy Hwy, ca. 0.5 mi (air) north-northeast of Junction House (site). 1097 Comment
  CHSC65555  Acmispon grandiflorus var. macranthus L. P. Janeway 1995-6-6 4775 Butte South-trending ridgetop at the far western end of Jackson Ranch Ridge, about 0.9 mi east-northeast of the falls of Feather Falls. 1054 Comment
  CHSC71174  Acmispon brachycarpus Lowell Ahart 1988-6-9 7977 Butte On the east side of Cherokee Road, about 200 yards south of the cow chute along Cherokee Road, North Table Mountain, about 7 (air) miles north of Oroville. 403 Comment
  CHSC74088  Acmispon grandiflorus var. macranthus B. Castro; E. Hubert 1996-7-16 683 Butte BlackJack Fire. Ca 5 air mi N of Brush Creek, ca 0.4 mi S of Rogers Cow Camp on SE-facing slope of recently burned area. 1188 Comment
  JEPS121914  Acmispon americanus var. americanus Lowell Ahart 2014-7-10 19625 Butte About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir. Comment
  CAS-BOT-BC178462  Astragalus gambelianus Lowell Ahart 1985-3-24 4851 Butte Serpentine Point, west of Yankee Hill 550 Comment
  CAS-BOT-BC178470  Astragalus gambelianus John Thomas Howell 1967-6-22 42625 Butte Magalia, Sierra Nevada 701 Comment
  CHSC34611  Astragalus pauperculus David B. Carlson 1980-3-30 18 Butte Ca. 21 km nw of Chico, s side of Ponderosa Way, ca. 610 m se of Mud creek, 1.8 km due w of Big Chico creek, near the top of Big Chico creek canyon, w side. 750 Comment
  CHSC115429  Cercis occidentalis Ariana Gehrig 2013-4-18 Butte City of Chico. Big Chico Creek at Rio Chico Way. 64 Comment
  CHSC90504  Cercis occidentalis Suzanne Peters 1988-3-22 22 Butte S side of Butte Creek, vic. Covered Bridge, ca. 7 mi ese of Chico. 121 Comment
  SD116545  Cercis occidentalis Barbara Ertter, Jeffrey Strachan and Lowell Ahart 1980-5-8 3318 Butte North Honcut Creek on Peter Ahart Ranch, 2.5 miles northeast of Honcut between Marysville and Oroville. 46 Comment
  SEINET10940017  Cercis occidentalis Mary Susan Taylor, Vernon H. Oswald 1984-4-4 Taylor 5375 Butte T22N R2E nw sec 25. Along Humbug Rd, ca. 0.5 mi E of Honey Run Covered Bridge, ca. 6 air mi E of Chico. Foothill Woodland/Riparian Woodland; 600 ft elev. 183 Comment
  CHSC74669  Colutea arborescens B. Castro; Elizabeth McClintock 1988-3-7 255 Butte Lower Bidwell Park, Chico. On North Park Drive, on N side of Big Chico Creek, near end of bridge which connects with a large thicket of this species on the opposite side of the creek in the vicinity of Cedar Grove. Comment
  CAS-BOT-BC201006  Cytisus scoparius Lowell Ahart 1980-5-25 2333 Butte Near Old Forbestown 1000 Comment
  CHSC45278  Cytisus scoparius Vernon Oswald 1985-4-21 1714 Butte Site of Mayaro, ca 2 mi ne of Pulga. 487 Comment
  CAS-BOT-BC208055  Genista monspessulana John Thomas Howell 1962-6-16 37574 Butte Magalia 731 Comment
  CDA36729  Genista monspessulana Barbara L. Wilson, Richard E. Brainerd, Lawrence Janeway, Barbara Castro 2010-8-7 16242 Butte Within half a mile of the old Magalia railroad depot, on Coutolenc off the Skyway. Comment
  CHSC8568  Gleditsia triacanthos M. MacArthur 1968-6-13 362 Butte Chico State College Campus. 60 Comment
  CHSC38521  Hoita macrostachya Vernon Oswald 1983-7-28 936 Butte Upper Bidwell Park, Chico, along Yahi Trail near Chico Creek e of Brown's Hole. 207 Comment
  CHSC104779  Lathyrus nevadensis var. nevadensis L. P. Janeway 2010-6-19 10018 Butte Northern High Sierra Nevada. About 1.2 km south of Bald Rock Dome near a saddle along the ridge between Middle Fork Feather River and Bean Creek drainage; along Bean Creek Road at spur road to Dome Trail trailhead. 858 Comment
  CHSC48509  Lathyrus nevadensis var. nevadensis Vernon Oswald 1984-4-9 1125 Butte Feather Falls Trail, 0.75 trail mi. n of the trail head at the end of Bryant Ravine Road. 701 Comment
  CHSC63248  Lathyrus hirsutus Lowell Ahart 1994-6-6 7311 Butte On the bottom of a swale, north of the corral, on the north side of the bend in Cottonwood Road, about 1/4 mile west of Highway 70, about 3 1/2 miles (air) north-west of Oroville. 57 Comment
  CHSC76940  Lathyrus jepsonii var. californicus Margie Collins 1894-5-1 Butte Chico Creek. Comment
  JEPS108548  Lathyrus brownii L. P. Janeway, B. Castro 1994-4-21 4643 Butte Northern High Sierra Nevada. Western end of Watson Ridge about 2.0 mi east-northeast of Bald Rock Dome 1079 Comment
  JEPS98328  Lathyrus hirsutus Lowell Ahart 2000-6-17 8483 Butte 2 mi S of Paradise (about 1/4 mi NE of Kunkle Reservoir, E of the Pentz Magalia Road) 548 Comment
  SEINET12161676  Lathyrus nevadensis Unknown 1977-1 55 Butte ca 10yd to E sdie of Vilas Rd, ca .4miNE of jct of Cohasset Rd and Vilas rd, Cohasset. see comments 945 Comment
  CDA38824  Lotus wrangelianus L. Ahart 2012-4-3 17932 Butte On the sides of Bloody Pin Trail, about 1/2 way between Guardian Trial and South Rim Trail, about 1/2 mile west of Highway 32, about 7 1/2 miles (air) northeast of Chico, south part of Upper Bidwell Park. Comment
  CHSC109768  Lotus corniculatus Lowell Ahart 2012-10-28 18525 Butte About 50 yards west of Table 4, west of Cedar Grove, Lower Bidwell Park, Chico. 67 Comment
  JEPS114734  Lotus humistratus Lowell Ahart 2008-5-12 14755 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam 258 Comment
  JEPS94851  Lotus oblongifolius var. oblongifolius Vernon H. Oswald and Lowell Ahart 1998-8-11 9465 Butte USFS 28N35 at a branch of Wildcat Creek 1 mi n of Four Trees-Coyote Gap Road; Wildcat Creek 1396 Comment
  RSA406234  Lotus oblongifolius var. nevadensis M. M. Boney 1897-1 1724 Butte [No location data on label] Comment
  SEINET10451970  Lotus humistratus Mary Susan Taylor 1981-4-21 Taylor 3550 Butte T23N R4E sw sec 36, Pulga SW quad. Serpentine, S side of Concow Rd, on ridge, ca. 0.5 mi S of its jct with Ponderosa Way (Rim Rd), ca. 2 mi N of Lake Concow, ca. 20 air mi NE of Oroville. 2800 ft. 853 Comment
  SEINET10452007  Lotus purshianus Mary Susan Taylor 1977-8-16 Taylor 1440 Butte Abundant on both sides of Williams Road, N of its junction with Pentz Road, on Butte College Campus, ca. 15 mi S of Chico. With Marc Hayes. 61 Comment
  SEINET10452009  Lotus purshianus Lowell Ahart, Peter Ahart 1983-7-24 Ahart 4204 Butte T19N R7E sec 6. Ca. 2 mi sw of the Forbestown Reservoir, ca. 3 mi ne of Forbestown. Yellow Pine Forest; 550 m. 550 Comment
  SEINET10874139  Lotus argophyllus var. fremontii Lowell Ahart 1984-6-8 Ahart 4667 Butte At the Ponderosa Dam, ca. 2 mi NW of Forbestown; Yellow Pine Forest; 370 m. 370 Comment
  UC726746  Lotus argophyllus var. fremontii A. A. Heller 1940-6-5 15699 Butte between the bridge and mouth of the West Branch of the North Fork (along Feather River); Feather River Comment
  CAS-BOT-BC201351  Lupinus albifrons var. albifrons Charles Piper Smith 1949-4-21 49126 Butte Nimshew - 6.8 miles south - Chico Road Comment
  CDA34739  Lupinus polyphyllus var. burkei L. Ahart 2010-9-21 17205 Butte About 70 yards east of the poor dirt road, about 80 yards west of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir. Comment
  CHSC109180  Lupinus bicolor var. tridentatus Lowell Ahart; Linnea Hanson, Susan Bazell, Josephine Guardino 2012-5-10 18012 Butte On the north side of Big Chico Creek, south side of the path, south of the paved park road, south of the old walnut orchard, south of Vallombrosa Avenue, about 1/4 mile west of Peterson Drive, Lower Bidwell Park, Chico. 76 Comment
  CHSC31153  Lupinus latifolius var. columbianus M. S. Taylor 1978-7-21 1822 Butte On s side of Oroville-Quincy Hwy, ca. 14 mi n of Lake Madrone. 1463 Comment
  CHSC32605  Lupinus succulentus J. D. Jokerst 1981-3-28 1270 Butte Butte College Campus along entrance in the vicinity of the eastern-most parking lot. Comment
  CHSC40597  Lupinus polycarpus Lowell Ahart 1985-4-1 4873 Butte Along Table Mountain Boulevard, near the Cambell Overflow, a little south of the intersection of Highway 70 and 149, about 7 miles north of Oroville. 100 Comment
  CHSC46099  Lupinus albicaulis J. D. Jokerst; R. A. Schlising 1983-5-24 1773 Butte Common on the edges and cut banks of Highway 162 east of Oroville. At the junction of Simmon's Rd 0.9 miles north of the Bidwell Bar Ridge. Comment
  CHSC79742  Lupinus nanus G. F. Hrusa; T. D. Wilfred 1996-7-9 13192 Butte Sierra Nevada Flora - Plumas National Forest. Roadside colony along Hwy 162 near entrance to Rogers Cow Camp. [Lat./Long. on label is '39 46 N; 121 17 W']. 1250 Comment
  CHSC86544  Lupinus albicaulis var. albicaulis L. P. Janeway; John Hunt, Christine Hantelman 2003-6-26 7860 Butte Northern Sierra Nevada Foothills. Along south edge of South Fork Feather River arm of Lake Oroville, 2.5 km east-southeast of south end of Bidwell Bar bridge. 280 Comment
  CHSC90013  Lupinus microcarpus Peggy Fain 1991-4-21 25 Butte Along Richardson Springs Road, ca. 1 km. from Cohasset Highway. 152 Comment
  CHSC901  Lupinus albifrons R. Carter 1964-3-23 64 Butte 5 mi. E of Chico Rd. on Cherokee Rd. on rocky bank on E side of road. 60 Comment
  CHSC90921  Lupinus bicolor var. pipersmithii Lowell Ahart 2005-4-18 11733 Butte Overflow area on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 25 Comment
  JEPS113455  Lupinus albicaulis Lowell Ahart 2007-6-3 13979 Butte On the east side of Highway 70, about 1/4 mile northeast of the Poe Dam on the North Fork of the Feather River 486 Comment
  JEPS115619  Lupinus microcarpus var. densiflorus Lowell Ahart 2009-5-15 15703 Butte About 20 yards east of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico 234 Comment
  JEPS117287  Lupinus polyphyllus var. burkei Lowell Ahart 2010-9-21 17205 Butte About 70 yards east of the poor dirt road, about 80 yards west of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir 1917 Comment
  SEINET194894  Lupinus acutilobus A. A. Heller 1938-4-23 15050 Butte Between the Las Plumas road and the summit on Highway 24, 20 miles east of Oroville. 762 Comment
  SJSU10703  Lupinus albicaulis G. L. Baker 1968-5-4 66 Butte above Paradise Reservoir near Paradise 518 Comment
  UC204553  Lupinus bicolor A. A. Heller 1914-3-13 11198 Butte near the western base Table Mountain (hills eight mi n of Oroville); near western base of Table Mountain Comment
  UC392199  Lupinus arbustus E. B. Copeland 1929-7-24 Butte Jonesville 1600 Comment
  UC478506  Lupinus lepidus var. sellulus E. B. Copeland 1931-7-3 651 Butte Jonesville , Colby Canyon (Coby Canyon) 1600 Comment
  UC725984  Lupinus latifolius var. columbianus A. A. Heller 1919-6-7 13224 Butte Snow Mountain Comment
  UC865136  Lupinus microcarpus var. densiflorus A. A. Heller 1938-5-15 15094 Butte along the railroad near Gridley; near Gridley Comment
  UCD107176  Lupinus bicolor H. A. Hannesson; R. N. Raynor 1941-5-9 s.n. Butte 4 miles N of Gridley. Comment
  POM276488  Lupinus polyphyllus subsp. superbus Lyman D. Benson 3958 Butte First Summit, Oroville-Quincy, Sierra Nevada, Feather River Watershed 1829 Comment
  RSA31973  Lupinus albicaulis subsp. purpurascens A. A. Heller 1942-5-17 16477 Butte Pentz Cherokee Road, 2 miles above Pentz. Comment
  RSA699516  Lupinus arbustus Paul Maslin 2004-4-15 14 Butte Sierra Nevada Range, west of Highway 32 between Chico and Forest Ranch within Big Chico Creek Ecological Reserve (BCCER). 457 Comment
  SEINET10452165  Lupinus vallicola Mary Susan Taylor, L. Hanson 1981-4-30 Taylor 3572 Butte T19N R5E ne sec 13, Forbestown quad. NW corner of jct of Forbestown Rd and Lumpkin Rd (Feather Falls turnoff), ca. 10 air mi E of Oroville. 1800 ft. 549 Comment
  SEINET10452665  Lupinus stiversii Mary Susan Taylor 1981-5-6 Taylor 3627 A Butte T20N R6E ne sec 33. Forbestown quad. N side of Ponderosa Way, 0.2 mi N of small bridge over Sucker Creek, ca. 3 air mi E of Enterprise Bridge, ca. 4 air mi SW of Feather Falls community. Yellow Pine Forest; 1100 ft. 335 Comment
  SEINET10488406  Lupinus albifrons Mary Susan Taylor 1981-5-5 Taylor 3605 Butte T20n,r6e,sec.31 se 1/4, nw 1/4. Forbestown quad. E side of lumpkin-laporte Road, 1 mile n of enterprise bridge over s fork feather river, ca 10 air miles E of oroville. Granitic soils. Assoc.; Diplacus grandiflorus, lupinus Stiversii, trifolium ciliolatum 457 Comment
  SEINET10940039  Lupinus bicolor subsp. pipersmithii Lowell Ahart 1985-4-1 Ahart 4873 Butte Along Table Mountain Boulevard, near the Cambell Overflow, a little south of the inter- section of Highway 70 and 149, about 7 miles north of Oroville. Comment
  CHSC5968  Medicago lupulina M. MacArthur 1968-6-17 218 Butte Ca. 20 ft. SW of Big Chico Creek and ca. 60 ft. W of the Esplanade bridge over creek, Chico State College campus. 60 Comment
  UC726322  Medicago A. A. Heller 1923-3-25 13737 Butte Rock Creek Comment
  CHSC10579  Melilotus indicus Lowell Ahart 1966-5-7 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC954  Melilotus indicus A. Koopman 1929-5-7 Butte CSC Campus. 57 Comment
  CDA31952  Trifolium albopurpureum var. albopurpureum L. Ahart 2009-4-26 15629 Butte On the north side of Ten Mile House Road, Upper Bidwell Park, about 1/2 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico Comment
  CHSC109652  Trifolium willdenovii Lowell Ahart 2012-5-12 18033 Butte On the sides of South Rim Trail, about 1.2 mile southwest of the old homestead, about 3/4 mile west of Highway 32, south part of Upper Bidwell Park, about 8 miles (air) northeast of Chico. 256 Comment
  CHSC115289  Trifolium Lowell Ahart 2015-4-27 20091 Butte Steep basalt slope, on the south side of Beatson Hollow, south of where the small stream flows into the stream on the bottom of Beatson Hollow, about 1 1/4 miles (air) northwest of Cherokee Road, about 7 miles (air) north of Oroville. 302 Comment
  CHSC116323  Trifolium Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-7-31 20413 Butte Along dirt road leading to the edge of Wilson Lake, east of County Road 769, 2.05 air-miles east of intersection of State Highway 36 and Wilson Lake Road, 2.32 air-miles north-northeast of Gurnsey Creek Campground, 10.74 air-miles south-southeast of Lassen Peak. 1606 Comment
  CHSC27999  Trifolium dubium M. S. Taylor 1978-7-21 1808 Butte On n side of Oroville-Quincy Hwy, ca. 9 mi ne of Lake Madrone. 914 Comment
  CHSC29794  Trifolium obtusiflorum M. S. Taylor; James D. Jokerst 1980-6-14 2884 Butte On w side of Oroville-Quincy Hwy ca. 1 mi (2 mi by car) n of Bidwell Bar Bridge over the south fork Feather River, ca. 7 mi s of Lake Madrone. 457 Comment
  CHSC31395  Trifolium microcephalum J. D. Jokerst 1979-4-6 1190 Butte Top of north Table Mt., in the vicinity of the beginning of Coal Cr Canyon. 365 Comment
  CHSC31814  Trifolium bifidum var. decipiens L. Ahart 1979-5-11 1865 Butte Peter Ahart Ranch, Honcut. 50 Comment
  CHSC31879  Trifolium ciliolatum L. Ahart 1974-4-24 441 Butte Along North Honcut Creek. Peter Ahart Ranch, Honcut. 45 Comment
  CHSC3516  Trifolium willdenovii John Francis 1966-4-6 101 Butte 1.8 miles from intersection of Hwy. Alt. 40 and Coal Canyon Rd., on Coal Canyon Rd. Comment
  CHSC38516  Trifolium campestre Vernon Oswald 1983-5-2 415 Butte Upper Bidwell Park, Chico, along an euqestrian trail on the s side of Upper Park Rd. 50 ft e of Parking Area A (w end of Upper Park Rd.). 83 Comment
  CHSC38532  Trifolium variegatum var. major Vernon Oswald 1983-3-31 240 Butte Upper Bidwell Park, Chico, near Yahi Trail and Parking Area M (1.2 mi e of the powerlines). 146 Comment
  CHSC39410  Trifolium wormskioldii L. Ahart 1983-8-16 4312 Butte In a small mountain meadow, near Bull Hill Rd, ca. 3.5 mi south of Butte Meadows. 1600 Comment
  CHSC39930  Trifolium albopurpureum var. olivaceum M. S. Taylor; V. Oswald 1984-4-4 5389 Butte S side of Humbug Rd, 3.1 mi W of Nimshew, ca. 10 air mi NE of Chico. Comment
  CHSC48588  Trifolium willdenovii Vernon Oswald 1988-4-18 3275 Butte South side of Hwy 162, 2.3 mi w of Hwy 99, just e of the Southern Pacific RR. 30 Comment
  CHSC77426  Trifolium hirtum Laura Bogni 1997-4-5 10 Butte Magalia grove. West side of Coutelenc Rd.; 1 mi. due W of Sawmill Peak; 1/2 mi. SE of Magalia Reservoir. 640 Comment
  CHSC80528  Trifolium ciliolatum Lowell Ahart 2001-4-14 8720 Butte Grassland about 2 miles north and 2 1/2 miles east of Honcut, about 12 miles southeast of Oroville. 60 Comment
  CHSC83920  Trifolium depauperatum var. depauperatum Lowell Ahart 2003-4-10 10062 Butte Near the east side of the 'sunken area,' about 150 yards west of the east rim of South Table Mountain, about 2 1/2 miles (air) north of Oroville. 320 Comment
  CHSC84336  Trifolium breweri Lowell Ahart 2003-8-17 10512 Butte Northeast of the buildings in Butte Creek House Meadow, about 3 miles northeast of Snag Lake, about 7 miles (air) east of Butte Meadows. 1771 Comment
  CHSC90990  Trifolium variegatum var. variegatum Lowell Ahart 2005-5-11 11803 Butte Steep slope on the south side of Beatson Hollow, southwest of drainage entering Beatson Hollow, about 1 1/4 miles northwest of the poor dirt road off of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 280 Comment
  CHSC94277  Trifolium wormskioldii Lowell Ahart 2006-7-16 12985 Butte In a bog, in the west edge of a large meadow and bog, about 20 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows. 1569 Comment
  CHSC967  Trifolium ciliolatum E. Canfield 1904-4-9 Butte Hooker Oak Field. 76 Comment
  CHSC96786  Trifolium subterraneum Lowell Ahart 2007-4-30 13701 Butte On the east side of Jordan Hill Road, about 1 1/2 miles northwest of Concow Creek, about 1 1/2 miles west of Concow Reservoir. 358 Comment
  JEPS115325  Trifolium depauperatum var. amplectens Lowell Ahart 2009-4-17 15541 Butte Along an old road, on the south slope of a ridge, about 150 yards west of Highway 32, near the south boundary, Upper Bidwell Park, about 5 miles (air) northeast of Chico 373 Comment
  JEPS123912  Trifolium ciliolatum Lowell Ahart 2015-4-27 20082 Butte About 5/8 mile northwest of the iron gate along Cherokee Road, Beatson Hollow, North Table Mountain, about 7 miles (air) north of Oroville. Comment
  RSA754856  Trifolium hirtum L. Ahart 2009-4-26 15623 Butte About 120 yards SW of Ten Mile House Road, Upper Bidwell Park, about 1/2 air miles SW of the intersection of Highway 32 and Ten Mile House Road, about 10 miles NE of Chico. 287 Comment
  UC1616623  Trifolium jokerstii Michael A. Vincent, Robert Rhode and Jim Snowden 1996-3-29 7215 Butte n of Oroville (North Table Mountain, w of Cherokee Road, n side Beatson Hollow, 2.1 mi along trail from entrance on Cherokee Road); North Table Mountain, Beatson Hollow Comment
  UC600390  Trifolium pratense H. F. Copeland 1920-8-1 476 Butte Jonesville meadow Comment
  UC631068  Trifolium depauperatum var. amplectens A. A. Heller 1913-4-7 10733 Butte 6 mi n Oroville Comment
  UC631537  Trifolium albopurpureum var. albopurpureum A. A. Heller 1914-3-26 11229 Butte Big Chico Creek Comment
  UCSC008285  Trifolium jokerstii Lowell Ahart 2012-5-4 17991 Butte About 1/2 mile southest of the lone pine tree on the rim of Beatson Hollow about 1-1/4 mile northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 302 Comment
  CDA4300  Trifolium campestre T. C. Fuller 1959-7-6 s.n. Butte Pulga. 0 Comment
  SEINET10451872  Trifolium albopurpureum Mary Susan Taylor, Vernon H. Oswald 1984-4-4 Taylor 5389 Butte T23N R3E sec 28? S side of Humbug Rd, 3.1 mi W of Nimshew, ca. 10 air mi NE of Chico. Foothill Woodland. Comment
  SEINET10451924  Trifolium obtusiflorum Mary Susan Taylor 1979-8-4 Taylor 2179 Butte T23N R5E center of S border sec. 22/27. Ca. 1 mi N of Cresta Powerhouse on Hwy 70, ca. 30 mi N of Oroville; granitic soils. 488 Comment
  SEINET10841156  Trifolium ciliolatum Lowell Ahart 1985-5-10 Ahart 4950 Butte East branch of Potter Ravine, about 2 1/4 miles north of Oroville Dam. Comment
  CHSC101653  Vicia villosa subsp. varia Lowell Ahart 2009-4-26 15636 Butte About 10 miles northeast of Chico, Upper Bidwell Park, about 1/2 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road. About 150 yards southwest of Ten Mile House Road, in a small open meadow. 286 Comment
  CHSC101658  Vicia sativa subsp. nigra Lowell Ahart 2009-4-26 15635 Butte About 10 miles northeast of Chico, Upper Bidwell Park, about 1/4 mile west of the intersection of Highway 32 and Ten Mile House Road. On the east side of Ten Mile House Road, just northeast of Guardians Trail. 381 Comment
  CHSC110106  Vicia sativa subsp. nigra L. P. Janeway 2012-5-29 10828 Butte Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way 4.3 road km north of Lower Forbestown Road; 1.4 air km south of the Ponderosa Reservoir dam. 485 Comment
  CHSC117608  Vicia villosa subsp. varia L. P. Janeway 2016-4-26 11938 Butte Sacramento Valley. Along Nelson Road 1.0 road-km west of its bridge across Thermalito Forebay; where the road crosses Camp-bell Hills. 94 Comment
  CHSC33110  Vicia americana var. americana M. S. Taylor 1981-5-5 3612 Butte W side of spur rd, ca. 1/2 mi n of its jct with Bryant Ravine Rd (21N35Y), ca. 1 air mi n of Feather Falls community. 853 Comment
  CHSC3761  Vicia villosa subsp. varia R. L. Adams 1964-4-12 76 Butte Bidwell Park on Sacramento River, Junction W. Sacramento Ave. and River Road 25 yds. from road near Oxbow Lake due W. of intersection. Comment
  CHSC46802  Chrysolepis sempervirens R. A. Schlising; B. Castro, L. Janeway 1988-7-30 4653 Butte 4.1 miles N of Inskip along Skyway/Humbug Road, at junction with Bull Hill Road to Butte Meadows. 1566 Comment
  CAS-BOT-BC36373  Chrysolepis sempervirens W. R. Dudley 1895-8-11 s.n. Butte near Butte Summit R.R. Station Comment
  CAS-BOT-BC36173  Lithocarpus densiflorus var. densiflorus Mary E. Wall 1935-11-10 s.n. Butte Magalia Comment
  CAS-BOT-BC36589  Lithocarpus densiflorus var. echinoides Lowell Ahart 1987-7-8 5811 Butte along Walker Plains road, about 1/8 mile north of Coyote Gap, about 5 miles east of Pulga 1280 Comment
  CAS-BOT-BC104152  Quercus X morehus John Thomas Howell 1961-9-22 36747 Butte Feather River Highway 3 miles from Oroville Comment
  CAS-BOT-BC62690  Quercus chrysolepis A. A. Heller 1918-5-5 13016 Butte Honey Run grade on a north slope Comment
  CAS-BOT-BC62797  Quercus garryana John Thomas Howell 1955-6-15 30499 Butte 6 miles form Paradise on road to Pentz 426 Comment
  CHSC44910  Quercus vacciniifolia Lowell Ahart 1988-7-28 6140 Butte At the north side of the dam at Lost Creek Reservoir. 1005 Comment
  CHSC46974  Quercus chrysolepis var. nana Vernon H. Oswald 1989-8-9 3930 Butte Logging Rd (G-Line) paralleling Butte Creek, 0.8 mi sw of Humboldt Rd, ca. 1.5 mi (air) sw of Butte Meadows. 1310 Comment
  CHSC99559  Quercus berberidifolia L. P. Janeway 2008-5-26 9367 Butte Northern Sierra Nevada Foothills. Along south side of Skyway 3.5 km southwest of Paradise and Neal Road. 360 Comment
  JEPS115104  Quercus lobata Lowell Ahart, John Dittes 2008-11-14 15450 Butte In the east part of Cedar Grove, Lower Bidwell Park, Chico 67 Comment
  JEPS95794  Quercus chrysolepis var. chrysolepis Lowell Ahart 1999-6-12 8085 Butte about 7 miles (air) north of Oroville; North Table Mountain; North Table Mountain; about one mile (air) northwest of the entrance gates along the west side of Cherokee Road; about 7 miles (air) north of Oroville 365 Comment
  RSA263855  Quercus garryana J. T. Howell 1955-6-15 30496 Butte 6 miles from Paradise on road to Pentz. 427 Comment
  SD7927  Quercus wislizeni var. wislizeni Mrs. R. M. Austin Butte Comment
  UC5845  Quercus unknown 1890-11-20 Butte Chico Comment
  UC600522  Quercus kelloggii E. B. Copeland 1931-7-27 Butte Jonesville 1600 Comment
  UC847952  Quercus berberidifolia A. A. Heller 1916-9-8 12649 Butte e of Chico (Ten Mile House) Comment
  UCD45257  Quercus berberidifolia A. E. Wieslander 1927-6-29 s.n. Butte Near Fourteen-mile House, Humboldt road from Chico. Comment
  CAS-BOT-BC169940  Garrya fremontii Lowell Ahart 1985-1-27 4835 Butte East of Magalia, along the road 750 Comment
  UC1122707  Garrya fremontii J. E. Sowder 1933-8-4 121 Butte slope above de Sable Power House; Chico Quad. 457 Comment
  CHSC20488  Centaurium tenuiflorum M. S. Taylor 1975-6-25 793 Butte Ca. 100 ft w of Mud Creek, ca. 1/2 mi n of Richardson Springs Hotel, ca. 6 mi ne of Chico. 121 Comment
  JEPS93821  Centaurium venustum Lowell Ahart 1998-7-1 8021 Butte about 7 air mi n of Oroville (nw of the Ione oak tree, about 1/8 mi nw of the cow chute on the w side of Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road 403 Comment
  SEINET3094331 Image available Centaurium muehlenbergii Marc Mittleman 1980-8-1 227 Butte Little Chico Creek, adjacent to China Garden Springs. Comment
  SEINET10454835  Centaurium venustum subsp. abramsii Mary Susan Taylor 1980-5-31 Taylor 2759 Butte T22N R4E sw sec 31. Kunkle Reservoir, on E side of Pentz-Magalia Hwy, ca. 2 mi SE of Paradise. With R.A. Schlising and L. Ahart. 442 Comment
  CHSC37344  Cicendia quadrangularis F. J. Fuller 1982-4-17 18 Butte Ca. 30 ft n of Broyles Rd, 0.4 mi w of Hwy 99. 59 Comment
  CHSC48451  Gentianella amarella subsp. acuta Vernon Oswald; Lowell Ahart 1987-8-5 3191 Butte Scotts John Creek 0.6 mi n of the road connecting Humboldt and Humbug roads. 1780 Comment
  CHSC51882  Gentianella amarella subsp. acuta L. P. Janeway 1988-7-29 3122 Butte Mdw near Humbug Summit Rd 1.5 mi NE of the Snag Lake dam. 1767 Comment
  UC392189  Gentianella amarella subsp. acuta E. B. Copeland 1929-7-28 Butte Jonesville 1500 Comment
  CHSC31427  Swertia albicaulis var. nitida L. Ahart 1980-7-20 2477 Butte Along the edge of the road ca. 0.5 mi sw of Little Bald Rock, ca. 15 mi ne of Oroville. 1100 Comment
  CHSC46378  Zeltnera venusta Lowell Ahart 1989-5-23 6236 Butte 1/2 mile east of Dunstone Drive, about 1/2 mile north of Bangor Park Road, west of Bangor. 76 Comment
  CHSC62111  Zeltnera venusta L. P. Janeway 1993-7-2 4424 B Butte Plumas National Forest. Along Rd 22N84 0.45 mi west of Stony Creek and 1.45 mi west of Rd 23N28 (the road from Swayne Hill to Big Bar Mtn). 926 Comment
  JEPS124109  Zeltnera venusta Lowell Ahart 2015-6-6 20200 Butte On North Table Mountain, about 7 miles (air) north of Oroville. Comment
  CDA42858  Erodium brachycarpum L. Ahart 2012-5-1 17998 Butte On the east side of the horse path, about 100 yards north of the paved park road, west side of the old walnut orchard, south of Vallombrosa Avenue, about 1/4 mile west of Peterson Drive, Lower Bidwell Park, Chico. Comment
  CHSC19922  Erodium cicutarium M. S. Taylor 1975-2-16 375 Butte Abundant ca. 1/4 mi w of Pentz-Magalia Hwy, ca. 5 mi s of Paradise, in vicinity of Lime Saddle Reservoir. Comment
  CHSC35702  Erodium brachycarpum J. D. Jokerst 1982-5-1 1550 Butte Top of North Table Mt, SE of Cherokee Rd ca. 200 meters at mesa's E edge. 60 Comment
  JEPS117895  Erodium cicutarium L. P. Janeway 2008-3-18 9239 Butte Cascade Range Foothills. East edge of City of Chico; south side of Humboldt Road 1.4 km northeast of Bruce Road 126 Comment
  CHSC113197  Geranium Lowell Ahart 2013-11-29 19296 Butte Below the high water line of Lake Oroville, about 50 yards west of the old road, west of the first area to park, about 3 1/2 miles (air) northeast of Oroville Dam. 252 Comment
  CHSC35319  Geranium molle M. S. Taylor; K. Tharp 1982-4-8 4284 Butte At end of Beckwourth Rd, just above Oroville Dam overlook parking area, Oroville. 320 Comment
  CHSC36225  Geranium carolinianum L. Ahart 1982-4-21 3290 Butte On n slope, under oaks and near North Honcut Creek, ca. 1 1/4 mi n and 3 mi e of Honcut, Peter Ahart Ranch. 50 Comment
  RSA0028454  Geranium dissectum L. Ahart 2005-4-14 11704 Butte At the base of the railroad roadbed, east side of the railroad tracks, south of the railroad bridge, north of Spruce Street, Gridley. 28 Comment
  UCR237321  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2012-4-14 18739 Butte Northern Sacramento Valley, Middle Honcut Road, 1.5 miles east of CA-70, ESE of Gridley 18 Comment
  SEINET10936166  Geranium dissectum Mary Susan Taylor 1975-4-26 Taylor 519 Butte Kunkle Reservoir, ca. 500 yds E of Pentz-Magalia Hwy, ca. 1 m SE of Paradise. With Orthocarpus erianthus, Centaurea solstitus, Lupinus bicolor, Typha latifolia. 610 Comment
  CAS-BOT-BC198958  Ribes roezlii var. roezlii M. S. Taylor 1982-5-23 4513 Butte S side of Hwy 70, vicinity of Arch Rock Tunnel ca. 0.5 mi SW of Butte-Plumas county line. 487 Comment
  CHSC81517  Ribes nevadense D. Tellefson 2000-4-18 Butte Paradise Lake, north of Paradise. 700 Comment
  LA205437  Ribes inerme var. inerme E. B. Copeland; 1931-5-9 sn Butte Jonesville 1500.0 Comment
  UC1127571  Ribes roezlii J. E. Sowder 1933-7-5 105 Butte 2 mi se Promontory Point; Chico Quadrangle Comment
  UC129470  Ribes nevadense Miss Kate Conger 1907-1 Butte Brush Creek Comment
  UC177588 Image available Ribes viscosissimum H. M. Hall 1914-7-27 9788 Butte Big Summit of Humboldt Road Sierra Nevada Mountains 2042 Comment
  SEINET12215664  Ribes sanguineum C. D. Snider 1975-1 4 Butte Bear Creek Falls area, just S of P G & E rest area, Hwy 70 Comment
  CHSC43681  Myriophyllum aquaticum Vernon Oswald 1984-3-14 1094 Butte Oroville Wildlife Area, near the w drive ca. 2 mi s of the 10th Street entrance off of Calif. Hwy 162. Comment
  CHSC94794  Myriophyllum aquaticum L. P. Janeway; B. Castro, Laurie Archambault 2006-1-16 8554 Butte Sacramento Valley. Gray Lodge Wildlife Area; in shallow sluggish canal between the main waterfowl viewing parking area and the headquarters area. 18 Comment
  JEPS87462  Myriophyllum aquaticum Lowell Ahart 1993-10-31 7271 Butte ca. 4 mi. e. Palermo (on n. side of Grubbs Rd.) 152 Comment
  CHSC37552  Philadelphus lewisii T. B. Devine 1977-6-5 415 Butte 2.2 mi NE of Centerville. Comment
  SEINET10501555  Elodea canadensis Mary Susan Taylor 1975-10-4 Taylor 959 Butte E side of Kunkle Reservoir, ca. 1/4 mi E of Pentz-Magalia Hwy, ca. 1 mi S of Paradise; open to sun. 610 Comment
  UCD138156  Najas guadalupensis subsp. guadalupensis Verne Grant; Herbert L. Mason 1946-8-15 13047 Butte near caretaker's house, Greylodge Game Refuge. Comment
  CAS-BOT-BC400830  Hypericum anagalloides A. A. Heller 1914-8-6 11637 Butte Sierra Nevada at Chico Meadows 1219 Comment
  CHSC29844  Hypericum anagalloides K. R. Stern 1979-5-23 6612 Butte Ca. 5 mi. SW of Paradise. 182 Comment
  UC204465  Hypericum formosum var. scouleri A. A. Heller 1914-7-23 11599 Butte along streams in Chico meadows Chico 1219 Comment
  SBBG128029  Hypericum perforatum L. Ahart 2010-6-25 16841 Butte open pasture field, on the N sideof the improved parking area, ca. 100 yards N of the cattle chute and Cherokee Rd, N Table Mtn, ca. 7 mi N of Oroville 409 Comment
  SEINET10472157  Hypericum perforatum Lowell Ahart 1990-10-3 Ahart 6616 Butte On the bottom of the East Fork of Canyon Creek, below the high water line of Lake Oroville, about 1/4 mile north-east of the Canyon Creek Bridge across Lake Oroville. Foothill Woodland (destroyed). T20N R5E SW/S16. 259 Comment
  SEINET10720066  Hypericum anagalloides A. Arthur Heller 1914-8-6 Heller 11637 Butte Chico Meadows. 1219 Comment
  SEINET10882700  Hypericum anagalloides Lowell Ahart 1977-6-3 Ahart 1403 Butte Peter Ahart Ranch, Honcut. Valley Grassland. Comment
  CAS-BOT-BC133550  Iris hartwegii John Thomas Howell 1962-6-16 37557 Butte Magalia 731 Comment
  CHSC90010  Iris macrosiphon Ross Rowland 2001-3-28 13 Butte At the end of Keffer Lane; 1/4 mile north of Skyway in Paradise. 493 Comment
  CHSC93187  Iris hartwegii subsp. hartwegii L. P. Janeway 1994-6-6 4659 Butte Northern High Sierra Nevada. East end of Watson Ridge; along Road 21N25 about 0.5 mi north of Fall River and about 1.7 mi west of Kenebeck Ridge. Ridge top. 1158 Comment
  HSC23528  Iris douglasiana A. K. Revard 1967-3-19 3 Butte Goat Rock, 1 mi. W on Goat Rock Rd. from Hwy. 1, 6 mi. N of Bodega Bay 30 Comment
Read comments
Nov 5 2013
  RSA136349  Iris hartwegii Lee W. Lenz, E. K. Balls 1955-5-13 20689 Butte Just south of Paradise on road to Oroville 549 Comment
  RSA136683  Iris hartwegii Lee W. Lenz, E. K. Balls 1957-5-23 22528 Butte 3 mi. SE from turnoff, Hwy 32 to De Sabla. 671 Comment
  CAS-BOT-BC61868  Isoetes nuttallii Ahart; Jokerst 1985-5-10 4945 Butte East branch of Potter Ravine, on the bottom of the east branch of Potter Ravine, about 2 1/4 miles north of Oroville Dam 350 Comment
  CAS-BOT-BC61878  Isoetes nuttallii Lowell Ahart 1975-5-3 s.n. Butte near North Honcut Creek, Peter Ahart Ranch, Honcut 45 Comment
  CHSC116645  Isoetes nuttallii Lowell Ahart 2016-4-15 f 20743 Butte On the west side of Swedes Flat Road, about 1/2 mile southwest of Dutch Ravine, about 8 miles (air) southeast of Oroville. 384 Comment
  CHSC46179  Isoetes howellii Lowell Ahart 1975-5-11 754 Butte Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville. 36 Comment
  CHSC94929  Isoetes howellii W. Gray; M. Brown 2005-3-16 34 Butte West of Wildwood park, Chico. 85 Comment
  JEPS104158  Isoetes nuttallii Lowell Ahart 2003-4-15 10094 Butte Ca 70-100 feet sw of the section corner pipe, ca 1/8 mi sw of the tall Digger Pine on the S edge of Beatson Hollow, ca 1 1/4 mi nw of the iron gate and fence, nw of Cherokee Rd, North Table Mountain, ca 7 mi (air) n of Oroville. 299 Comment
  SEINET6164857  Isoetes howellii B. Ertter, Jeff Strachan; Lowell Ahart 1980-5-7 3288 Butte Peter Ahart Ranch ca 2.5 mi NNE of Honcut between Oroville and Marysville. 31 Comment
  SDSU1944  Isoetes bolanderi E. B. Copeland 1929-6-29 732 Butte Above Jonseville. 533 Comment
  SEINET10530327  Isoetes nuttallii Mary Susan Taylor 1980-5-31 Taylor 2773 Butte T22N R4E sw sec 31. Kunkle Reservoir, on E side of Pentz-Magalia Hwy, ca. 2 mi SE of Paradise. With R.A. Schlising and L. Ahart. 442 Comment
  CHSC93648  Juglans californica var. hindsii Paul Kirk; Joe Silveira 2001-5-25 2 Butte Rancho Llano Seco, 1.8 km WSW of ranch house, just off the ranch road south of 'The Lagoon' around Ryan Island. 30 Comment
  CAS-BOT-BC110145  Juncus leiospermus var. ahartii Lowell Ahart 1974-6-5 s.n. Butte Peter Ahart Ranch, Honcut. 45 Comment
  CAS-BOT-BC110150  Juncus leiospermus var. ahartii Lowell Ahart 1978-4-13 s.n. Butte Peter Ahart Ranch, Honcut. 50 Comment
  CHSC111094  Juncus occidentalis Peter F. Zika 2011-7-7 25542 Butte Near parking for Big Bald Rock Trailhead, 0.2 air miles E of Big Bald Rock, northern Sierra Nevada Highlands (n SNH). 150 Comment
  CHSC112937  Juncus bufonius var. congestus B. Castro 2012-5-29 1925 Butte Sacramento Valley. Between hwy 99 and the Thermalito Afterbay levee, ca 0.6 mi S of jcn of Hwys 99 and 162W, ca 0.4 mi N of Hamilton Rd. 34 Comment
  CHSC117019  Juncus hemiendytus var. hemiendytus Lowell Ahart 2016-6-2 20907 Butte Depression (mud puddle) in the middle of a poor road, about 50 yards east of cow corral, about 200 yards north of the County Road, about one mile we of the intersection of County Road and Lumpkin Road, about 7 miles northeast of Feather Falls. 1281 Comment
  CHSC28655  Juncus mertensianus J. D. Jokerst 1979-9-23 357 Butte W. slope of Humboldt Peak, 1/4 mi. E. of Humboldt Summit (Humboldt Road). Northern most portion of Butte County. 2042 Comment
  CHSC30512  Juncus occidentalis J. D. Jokerst 1980-3-23 492 Butte 100 m W of Hwy 70 at the S end of the bridge over West Branch Feather River. Comment
  CHSC38918  Juncus bufonius var. congestus Vernon Oswald 1983-6-7 648 Butte Upper Bidwell Park, Chico, on the north slope near the head of the stream which crosses Upper Park Rd. 0.5 mi e of the power lines. 198 Comment
  CHSC39587  Juncus effusus subsp. pacificus Lowell Ahart 1983-7-24 4202 Butte Found along the edge of the dirt road, about 2 miles south-west of the Forbestown Res., about 3 miles north-east of Forbestown. 550 Comment
  CHSC44170  Juncus mertensianus V. Oswald; L. Ahart 1988-7-29 3652 Butte Ca. 5 mi (air) se of Jonesville on the ridge running eastward from the peak of Snow Mtn. 2097 Comment
  CHSC47542  Juncus capitatus Lowell Ahart 1980-5-13 2264 Butte An open pasture field, 1/2 mile south-west of Kunkle Reservoir, west of the Pentz Magalia Highway, about 3 miles south of Paradise. 457 Comment
  CHSC49622  Juncus oxymeris Vernon Oswald; Lowell Ahart 1987-7-19 3136 Butte Ca. 0.3 mi (air) e of Bald Mt. Lookout Tower, ca. 0.3 mi ne of the spring and water tank. Meadow. 1706 Comment
  CHSC59019  Juncus usitatus Lowell Ahart 1992-7-23 6828 Butte On the north side of the Thermalito Diversion Pool, near Longs Bar Monument, Lake Oroville Recreation Area, about 2 miles west of Oroville Dam. 76 Comment
  CHSC61345  Juncus articulatus Lowell Ahart 1993-7-23 7100 Butte on the west side of Fall River, about 6 (air) miles north-east of Feather Falls. 1036 Comment
  CHSC64053  Juncus ensifolius S. C. Morey 1993-8-4 705 Butte Chico Meadows. On e side of Scout Rd., ca. 1 mi n of its jct with Humboldt Rd. at Butte Meadows. 1292 Comment
  CHSC6706  Juncus capitatus Marilyn Lee 1968-4-19 128 Butte West side of Cherokee Road ca 2 miles S. of Cherokee, 100 yards S.E. of cemetary, Table Mt. Comment
  CHSC83955  Juncus leiospermus var. leiospermus Lowell Ahart 2003-4-8 10036 Butte On the high water line of a small vernal pool, about 20 yards south of a faint poor dirt road, pasture field, about 150 yards southwest of the iron gate and fence, west of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 344 Comment
  CHSC90821  Juncus bufonius var. bufonius Lowell Ahart 2005-5-2 11775 Butte Overflow area on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 25 Comment
  CHSC96891  Juncus bufonius var. bufonius Lowell Ahart 2007-6-12 14082 A Butte On the east side of Rockefeller Road, at the intersection of Bald Rock Road and Rockefeller Road, about 13 miles (air) northeast of Oroville. 1011 Comment
  CHSC96955  Juncus howellii Lowell Ahart 2007-7-2 14245 Butte North road gutter, Bald Rock Road, about 100 yards northeast of the intersection of Bald Rock Road and Rockerfeller Road, about 13 miles (air) northeast of Oroville. 762 Comment
  CHSC97148  Juncus oxymeris Lowell Ahart 2007-7-7 14264 Butte On the east side of North Honcut Creek, Peter Ahart Ranch, about 3/4 miles north and 2 1/2 miles east of Honcut, about 12 miles (air) southeast of Oroville. 45 Comment
  CHSC97207  Juncus usitatus Lowell Ahart 2007-7-31 14400 Butte On the south strand of Thermalito Afterbay, about 150 yards north of Highway 162, about 5 1/4 miles west of the intersection of Highway 162 and Highway 70, about 5 3/4 miles (air) west of Oroville. 34 Comment
  CHSC97252  Juncus usitatus Lowell Ahart 2007-8-3 14405 Butte On the west side of a large canal, on the west side of Aguas Frias Road (Goodspeed Watt), about 6 miles (air) northwest of Richvale. 29 Comment
  CHSC99748  Juncus nevadensis var. nevadensis Lowell Ahart 2008-7-23 15153 Butte On the west side of McCabe Creek, below the high water line of Lake Oroville, about 100 yards southwest of the poor parking area, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville. 243 Comment
  JEPS102314  Juncus patens Lowell Ahart 2001-7-6 8881 Butte 12 mi SW of Chico (W of a large pond, large overflow area on E side of Sacramento River, NW of Parrott Landing, 1 mi SE of Ord Ferry, 2 mi SE of Ord bend[sic]) 32 Comment
Read comments
Nov 27 2006
  JEPS113870  Juncus diffusissimus Lowell Ahart 2007-7-11 14287 Butte About 100 yards west of the high gravel road (at turn, before washout), about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 5 miles (air) southwest of Oroville 35 Comment
  JEPS118349  Juncus laccatus Lowell Ahart 2011-8-19 17641 Butte Along the wet road gutter, on the south side of a good forest road, about 1/2 mile north of the Lost Creed Reservoir Dam, about 4 1/2 miles (air0 north of Clipper Mills 1266 Comment
  JEPS122210  Juncus leiospermus var. leiospermus Lowell Ahart 2014-4-20 19391 Butte About one mile northwest of the parking area on the west side of Cherokee Road, about 7 miles (air) north of Oroville. Comment
  JEPS87130  Juncus usitatus Lowell Ahart 1992-7-23 6828 Butte ca. 2 mi. w. Oroville Dam (near Longs Bar Monument, n. side of Thermalito Diversion Pool, Lake Oroville Recreation Area); Lake Oroville Recreation Area, Thermalito Diversion Pool 76 Comment
Read comments
Nov 1 2009
  JEPS87149  Juncus bufonius var. occidentalis Lowell Ahart 1992-7-29 6882 Butte ca. 3/4 mi. n.w. Lotts Lake (ca. 1 mi. n.e. of Carr Mine) 1798 Comment
  JEPS87201  Juncus nevadensis Lowell Ahart 1992-7-21 6796 Butte ca. 2 (air) mi. n.e. Philbrook Reservoir (s. side of Coon Hollow); Coon Hollow 1737 Comment
  JEPS94188  Juncus leiospermus Lowell Ahart 1998-4-29 7953 Butte ca. 7 mi. n. Oroville (n.e. of the large parking area on North Table Mt., e. side of Cherokee Rd.); North Table Mt. 426 Comment
  JEPS98459  Juncus brachyphyllus Lowell Ahart 2000-6-6 8459 Butte 5 air miles E of Oroville Dam (old gold mining pit, 200 yds NW of where the dirt road crosses Oregon Gulch creek, about 1/4 mi NE of the cemetery, 1 1/2 mi S of Crystal Hill) 304 Comment
  RSA712858  Juncus leiospermus var. leiospermus L. Ahart 2006-5-8 12581 Butte About 20 yards east of Cherokee Road, about 100 yards northeast of the large unimproved parking area. North Table Mountain, about 7 miles (air) north of Oroville. 378 Comment
  RSA729998  Juncus effusus subsp. pacificus L. Ahart 2007-7-8 14265 Butte On the north side of North Honcut Creek, Peter Ahart Ranch, about 1.5 miles north and 2.75 miles east of Honcut, about 12 miles (air) southeast of Oroville. 53 Comment
  SEINET3450941  Juncus ensifolius Unknown 2003-6-30 10336 Butte Forbestown, Forbestown, about 3 air miles north, in the gutter on the north side of Fields Ridge Road, north of the Ponderosa Reservoir 490 Comment
  UC398897  Juncus ensifolius E. B. Copeland 1929-7-16 346 Butte Jonesville 1550 Comment
  CAS-BOT-BC312670  Juncus leiospermus Lowell Ahart 1978-5-2 1703 Butte Table Mt. 400 Comment
  SEINET11787691  Juncus bufonius J. D. Jokerst 1982-1 1539 Butte Grey Lodge N of and adjacent to Rutheford Rd. ca 100 m W of Pennington Rd Comment
  UCD141429  Juncus cyperoides L. Ahart 1981-7-24 2999 Butte east edge of Black Bart Road about 1/2 mile southwest of the intersection of Black Bart Road and Oroville Forbestown Highway, west of Forbestown. 2000 Comment
  CHSC105797  Luzula cascadensis Lowell Ahart 2010-9-28 17260 Butte West edge of a 10 acre meadow, about 50 yards east of the poor dirt road, about 20 yards west of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir. 1886 Comment
  CHSC31908  Luzula macrantha L. Ahart 1975-3-18 709 Butte Along edge of North Honcut Creek. Peter Ahart Ranch, Honcut. 45 Comment
  CHSC41289  Luzula cascadensis S. C. Morey 1983-7-21 496 Butte Cherry Hill Meadow. On n side of Humboldt Rd., ca. 3.2 mi e of Butte Meadows. 1414 Comment
  CHSC41445  Luzula comosa var. laxa Lowell Ahart 1986-7-2 5341 Butte In a small meadow, north of the dirt road, 1/2 mile southwest of Bald Mountain, about 4 1/2 miles northeast of Stirling City. 1615 Comment
  CHSC49631  Luzula comosa var. laxa Vernon Oswald; Lowell Ahart 1987-5-14 2902 Butte Ca. 2.75 mi e of Jonesville on the road connecting Humboldt and Humbug Roads, ca. 0.9 mi se of Scotts John Creek. Edges of a small meadow. 1804 Comment
  CHSC52710  Luzula cascadensis L. P. Janeway 1988-6-25 2868 Butte Near Coon Creek and near Bull Hill Road 1.0 mi from Skyway. On gravel bar along small creek (Coon Cr). 1554 Comment
  CHSC52713  Luzula macrantha L. P. Janeway; R. A. Schlising, B. Castro 1987-4-4 1970 Butte Southeast shore of Paradise Lake; generally NW facing slopes ca 50 ft above the water level. 777 Comment
  CHSC94067  Luzula macrantha R. Fischer 2005-3-9 745 Butte Sierra Nevada foothills, off Hwy. 32, about 4 miles east of Chico off 10 Mile House Road in Bidwell Park. Collection made at bottom of trail near Big Chico Creek from the grassy edge of the riparian zone. 219 Comment
  CHSC94348  Luzula comosa var. laxa Lowell Ahart 2006-7-16 12970 Butte In the west edge of a large meadow and bog, about 20 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows. 1569 Comment
  RSA712826  Luzula comosa L. Ahart 2006-4-28 12547 Butte A part of the drainage of Beatson Hollow, about 3/4 mile northwest of the Iron Gate along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 318 Comment
  UC1609496  Luzula comosa Vernon H. Oswald and Lowell Ahart 1993-4-21 5289 Butte ca. 2.25 (air) mi. n.w. Magalia (Middle Butte Creek Trail on w. side of creek & on upstream side of Ponderosa Way); Middle Butte Creek Trail 707 Comment
  SBBG128104  Luzula comosa var. comosa L. Ahart 2010-9-28 17260 Butte W edge of a 10 acre meadow, ca. 50 yards E of the poor dirt rd, ca. 20 yards W of Big Kimshew Crk, ca. 1.5 mi NE of Jones Meadow, ca. 2.5 mi SE of Philbrook Reservoir 1886 Comment
  RSA767487  Lilaea scilloides Lowell Ahart 2010-6-9 16789 Butte Bottom of small drainage, open grassy pasture field, about 100 yards west of the fence, about 1/2 mile south of the improved parking area and Cherokee Road, North Table Mountain, about 5.5 air miles northeast of Oroville. 399 Comment
  CHSC46534  Triglochin scilloides Lowell Ahart 1978-4-15 1642 Butte On the bottom of a vernal pool, on the Daley Ranch, east of Highway 70, about 1/2 mile north of Cox Lane. 33 Comment
  SD174006  Lepechinia calycina W. I. Follett 1936-5-9 43 Butte Forest Ranch (5.6 miles southwest of). 548 Comment
  CHSC38476  Mentha spicata Vernon Oswald 1983-7-22 894 Butte Upper Bidwell Park, Chico, at the retaining wall at the e end of Centennial Ave. 85 Comment
  CHSC65206  Mentha pulegium Lowell Ahart 1995-7-15 7591 Butte Peter Ahart Ranch, about 2 1/4 miles north and 1/10 mile east of Honcut, about 12 miles south of Oroville. 36 Comment
  JEPS124276  Mentha pulegium Lowell Ahart 2015-11-18 20661 Butte About 1 1/2 miles southeast of intersection of Palm Avenue and Larkin Road, about 5 miles (air) northeast of Gridley. Comment
  SEINET10498168  Mentha X piperita Mary Susan Taylor 1975-10-3 Taylor 923 Butte At bridge over Little Chico Creek on River Road, ca. 10 mi W of Chico; Ripar ian Woodland disturbed area. 37 Comment
  CAS-BOT-BC220233  Monardella sheltonii John Thomas Howell 1955-6-15 30481 Butte 6 miles from Paradise on road to Pentz 426 Comment
  CAS-BOT-BC220452  Monardella sheltonii Lewis S. Rose 1951-6-26 51019 Butte Jarboe [Jarbo] Pass, 22 mi. n. of Oroville 579 Comment
  CHSC20679  Monardella sheltonii M. S. Taylor 1975-6-30 816 Butte On w side of Cohasset Hwy, Cohasset, ca. 18 mi ne of Chico. 853 Comment
  CHSC52039  Monardella odoratissima B. Castro; L. P. Janeway, R. A. Schlising 1988-7-30 282 Butte Abundant near top of ridge se of Snow Mtn at top of sw-facing slope above Coon Hollow. 2072 Comment
  CHSC52228  Monardella odoratissima subsp. pallida L. P. Janeway; R. A. Schlising 1988-7-22 3067 Butte Upper Philbrook cyn, 0.7 mi W of the pass. 1889 Comment
  RSA719715  Monardella odoratissima Michael A. Vincent, K. Levings 2006-7-29 12896 Butte NE of Chico along Rt. 32. Comment
  UC1606732  Monardella venosa B. Castro, J. D. Jokerst 1992-5-19 457 Butte unnamed canyon se Neal Road (ca. 200 ft nw of intermittent creek); Hamlin Canyon quad. 79 Comment
  UC196294  Monardella odoratissima subsp. glauca A. A. Heller 1914-7-23 11604 Butte Edge of the forest about Chico Meadows 1219 Comment
  SEINET10498954  Monardella villosa subsp. sheltonii Mary Susan Taylor 1981-6-19 Taylor 3956 Butte T22N R5E ne sec 6. Pulga quad. On serpentine, N side of Feather River Hwy 70, at NW end of Pulga bridge and along Pulga Rd ca. 1/4 mi, ca. 20 mi NE of Oroville. Open & dry weathered reddish serpentine. 1600 ft elev. 488 Comment
  SEINET12318324  Pogogyne douglasii Unknown 1974-1 s.n. Butte Found ca 12 mi N of Chico at jct of Broyles Road and Hwy 99 61 Comment
  SEINET12318337  Pogogyne zizyphoroides E. D. Osman 1978-1 18 Butte Ca 7.8mi N of Chico and 200' E of Cohasset Hwy. Richardson Springs Quadrangle, 7.5'. NE corner of * 76 Comment
  JEPS115579  Prunella vulgaris var. vulgaris Lowell Ahart 2009-6-12 15839 Butte 10 yards north of the Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 80 yards east of Cedar Grove, Lower Bidwell Park, Chico 67 Comment
  POM181780  Prunella vulgaris var. lanceolata H. F. Copeland 1927-9-4 464 Butte Jonesville. Comment
  RSA283335  Prunella vulgaris var. lanceolata Lyman Benson 1932-7-28 3966 Butte First summit, Oroville-Quincy. Sierra Nevada Range, Feather River watershed. 1829 Comment
  CHSC48495  Pycnanthemum californicum Vernon Oswald 1986-7-7 2184 Butte Millsap Bar Rd. 3.2 mi e of Bald Rd. near Brush Creek. 914 Comment
  CAS-BOT-BC221113  Salvia sonomensis A. A. Heller 1914-5-18 11410 Butte Forest Ranch 822 Comment
  CHSC28750  Scutellaria tuberosa J. D. Jokerst; M. Hayes 1978-4-7 106 Butte Lime Saddle Marina (east of Pentz-Magalia Hwy.) 152 Comment
  CHSC42833  Scutellaria californica L. P. Janeway 1987-6-5 2146 Butte Along the Peavine Cr road (22N39) 0.1 mi E of its beginning at the rd along French Cr. 640 Comment
  CHSC85403  Scutellaria tuberosa John Dittes; Josephine Guardino 1992-5-7 481 Butte Cascade Range Foothills; ca. 5.1 air-miles northeast of Chico City Hall, ca. 1.3 air-miles east by southeast of Horseshoe Lake, ca. 1.2 air-mile west of Hwy 32; north of tributary of Dead Horse Slough, east of Canyon Oaks Golf Course. 176 Comment
  CAS-BOT-BC214186  Scutellaria Clare B. Hardham 1975-6-7 20426 Butte South end of Oroville Dam Comment
  CHSC42985  Stachys ajugoides var. rigida L. P. Janeway 1987-7-4 2407 Butte Along West Branch Feather R at bridge 1.8 mi from Inskip. 1341 Comment
  CHSC60609  Stachys pycnantha L. P. Janeway 1992-6-13 4235 Butte Along Piute Drive, ca 1/4 mi east of Dark Canyon Road and ca 1/2 mi south of Parkhill and Big Bend Road. 594 Comment
  UCLA70947  Stachys ajugoides var. rigida A. A. Heller 1928-7-15 14684 Butte Butte Meadows Comment
  CHSC112691  Trichostema lanceolatum Lowell Ahart 2013-7-1 18816 Butte Open disturbed area, about 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 737 Comment
  CHSC42937  Trichostema simulatum Lowell Ahart 1987-7-3 5769 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC39799  Umbellularia californica Eloise Gallatin 1935-5-4 Butte Below Forest Ranch. Comment
  JEPS120889  Utricularia gibba Lowell Ahart 2013-7-6 18825 Butte Peter Ahart Ranch, about 1.75 miles N and 1.5 miles E of Honcut, about 12 air miles SE of Oroville. Comment
  RSA500426  Utricularia minor Vernon H. Oswald, L. Ahart 1989-8-15 3934 Butte Soda Ridge Rd. 1.4 miles W of its jct with Coon Hollow Rd, 1.2 airmiles N of Philbrook Reservoir. 1753 Comment
  CHSC101328  Calochortus monophyllus Lowell Ahart 2009-4-22 15597 Butte West side of Guardians Trail, about 100 yards north of Pine Trail, Upper Bidwell Park, west of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico. 381 Comment
  CHSC115417  Calochortus monophyllus Kate Ronan 2013-4-9 Butte Centerville flumes trail. 368 Comment
  CHSC116973  Calochortus tolmiei Danielle Gee 2013-4-27 Butte Detlow Road, about 20 yards off Hwy 70, along road cut. 642 Comment
  CHSC12171  Calochortus monophyllus Lowell Ahart 1973-5-6 Butte Near Challenge. 762 Comment
  CHSC3353  Calochortus albus Robert L. Smith 1966-4-20 19 Butte Paradise, 5 miles SE of post office. Comment
  CHSC44529  Calochortus tolmiei Lowell Ahart 1988-3-27 5941 Butte Along Poe Power House Road, about 1/10 mile north of the bridge across the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap. 350 Comment
  CHSC84919  Calochortus monophyllus Janice Morris 1995-4-24 91 Butte Ca. 1/2 mi. s of Mud Creek, 1/2 mi e of Richardson Springs Resort. 304 Comment
  SJSU9969  Calochortus monophyllus G. L. Baker 1968-5-4 71 Butte near Nimshew N of Megalia 670 Comment
  UC600461  Calochortus nudus H. F. Copeland 1931-6-9 1513 Butte Jonesville 1524 Comment
  CAS-BOT-BC494318  Calochortus tolmiei Mrs. J. H. Morrison 1932-4-17 s.n. Butte Durham Comment
  HSC23374  Calochortus monophyllus J. V. Serrao II 1971-4-24 134 Butte Banks of Honey Run Rd., ~ 3 mi. W of Covered Bridge, Paradise Comment
  HSC38106  Calochortus luteus Thomas W. Nelson, Jane P. Nelson 1976-5-9 2449 Butte Intersection of Palermo Rd. and Hwy. 70, 4 mi. S of Oroville Comment
  POM109552  Calochortus nudus C. C. Bruce 1898-05 2405 Butte Dye place Comment
  CHSC88617  Erythronium multiscapideum Linnea Hanson 1983-4-6 190 Butte Plumas National Forest. Magalia Serpentine. 701 Comment
  UC843861  Erythronium multiscapideum A. A. Heller 1915-3-19 11774 Butte hills 12 mi ne Chico (near Rock Creek) Comment
  CAS-BOT-BC502810  Erythronium purpurascens M. S. Taylor 1981-4-28 3561 Butte Road embankment, S side of 23N28.2 (road to Big Bar Mt), 0.9 mi SW of its jct with Four Trees Rd at Coyote Gap, 4 air mi E of Pulge on Hwy 70 1280 Comment
  SEINET10469551  Erythronium multiscapideum Mary Susan Taylor 1981-4-14 Taylor 3533 Butte T22N R4E sw sec 12. Pulga SW quad. Mixed Coniferous Forest, loamy soil over rocky base, on Ponderosa Way(Rim Rd) ca. 2 mi N of Jarbo Gap on Hwy 70, ca. 20 air mi N of Oroville. 2900 ft. 884 Comment
  SEINET10872534  Erythronium cliftonii Mary Susan Taylor 1980-3-8 Taylor 2378 Butte Pulga community, ca. 1 mi NE of Hwy 70, ca. 28 mi NE of Oroville; serpentine soils. 488 Comment
  UCSB63623  Erythronium multiscapideum Wolt, Terril 1970-3-21 Butte On E. side of Honey Run Rd. 2.5 miles N.E. of Humbug Rd Comment
  CDA14072  Fritillaria eastwoodiae G. F. Hrusa, T. D. Wilfred 1997-5-1 13719 Butte Sierra Nevada; NE side of upper end of Paradise Lake. Where last tributaries from E enter. Comment
  SEINET10469525  Fritillaria recurva Mary Susan Taylor 1980-5-8 Taylor 2607 Butte T24N R3E e half nw sec 33. Paradise quad. Ca. 3 mi N of Forest Ranch, ca. 1 mi E of Hwy 32; area soon to be deve loped; Yellow Pine Forest. 853 Comment
  CHSC24944  Limnanthes alba M. L. McCrum 1976-4-26 18 Butte Ca. 6.0 mi sw of Cohasset on Cohasset Rd., .25 mi e on dirt rd. 365 Comment
  CHSC35691  Limnanthes floccosa subsp. californica J. D. Jokerst 1982-4-12 1528 Butte N side Shippee Rd 1/2 mi E of Hwy 99 along side road and in a small pasture between houses N of Shippee Rd. Comment
  UC971834  Limnanthes alba subsp. alba Charles T. Mason Jr. 1949-4-23 1252 Butte 7 mi s Oroville (in ditch along e side of State Hwy 24) Comment
  POM86188  Limnanthes douglasii subsp. rosea R. M. Austin 1883-05 s.n. Butte Mesa. Comment
  SEINET10903112  Limnanthes alba Mary Susan Taylor 1980-4-19 Taylor 2541 Butte S side of Butte Creek, on dry bluffs above the creek in Foothill Woodland, ca. 1/4 mi upstream from Honey Run Covered Bridge, ca.. 6 mi E of Chico. With J.D. Jokerst. 183 Comment
  UCSB24545  Limnanthes douglasii Orr, K. 1966-4-3 Butte 2 miles south of Midway Rd. on Ord-Chico Hwy 60 Comment
  UCSB63634  Limnanthes douglasii O'Connor-Henry, K. 1985-4-19 Butte North Table Mtn., ca. 500 yd. w of Cherokee Rd. and 4.5 mi. n of Oroville 365 Comment
  CAS-BOT-BC175992  Hesperolinon californicum A. A. Heller 1914-4-24 11323 Butte 8 miles north of Oroville Comment
  CHSC48602  Hesperolinon micranthum Vernon Oswald 1983-7-6 805 Butte Near Calif. Hwy. 32, 6.3 mi n-e of Forest Ranch. Growing on an old logging road in yellow pine forest. 1036 Comment
  CAS-BOT-BC176219  Hesperolinon disjunctum Mrs. J. H. Morrison 1932-6-5 s.n. Butte Durham Comment
  CHSC44285  Linum lewisii var. lewisii Vernon Oswald 1988-6-14 3383 Butte Rim Rd. or Ponderosa Way (23N06) 0.8 mi se of Concow Rd., ne of Lake Concow. Scattered on a brushy serpentine outcrop. 975 Comment
  RSA0080120  Linum bienne Lowell Ahart 2011-6-5 17365 Butte On the west edge of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 2 3/4 miles east of Honcut, about 12 miles (air) southeast of Oroville. 42 Comment
  UC872394  Mentzelia dispersa A. A. Heller 1917-7-26 12851 Butte Butte Meadows 1402 Comment
  CHSC28620  Ammannia robusta M. S. Taylor. 1979-10-2 2213 Butte In sandbar in Sacramento River, at Chico Landing, ca. 5 mi w of Chico. 30 Comment
  SEINET13711410  Ammannia robusta Lowell William Ahart, Lowell William Ahart 1999-1 8168 Butte 12 Air Mi SW of Chico, 2 Mi SE of Ordbend, Sacramento River Comment
  UC108060  Lythrum hyssopifolia Mrs. R. M. Austin Apr, 1899 840 Butte Butte County Comment
  RSA0015857  Lythrum hyssopifolia E. B. Copeland 1903-7-27 3486 Butte Chico. Comment
  CHSC21378  Punica granatum M. S. Taylor 1975-6-21 779 Butte Ca. 50 ft w of Citrus St, on the n side of W end Ave, Chico. Comment
  CHSC76000  Rotala ramosior Lowell Ahart; Vernon H. Oswald 1999-8-13 8170 Butte Large disturbed area along the east side of the Sacramento River, northwest of Parrott Landing, about 1mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 32 Comment
  CHSC76419  Rotala ramosior Lowell Ahart 1999-10-28 8305 Butte On the west side of a large pond, large disturbed area along the east side of the Sacramento River, northwest of Parrott Landing, about 1mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 32 Comment
  SD130474  Rotala indica Lowell Ahart 1980-9-28 2659 Butte Peter Ahart Ranch, Honcut. 49 Comment
  CHSC94124  Abutilon theophrasti Lowell Ahart 2006-7-4 12912 Butte In an idle rice field, Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville. 29 Comment
  UC1476848  Hibiscus lasiocarpos Lowell Ahart 1979-9-8 Butte along rd. w. of by 3 mi. Nelson (Nelson is ca. 8 mi. n.w. of Oroville) 35 Comment
  JEPS120931  Lavatera cretica Lowell Ahart 2013-5-21 18702 Butte On the W side of Hwy 99E, 30 yards N of the W Rio Bonita Road, about 1 mile NE of Biggs. Comment
  CDA31995  Sidalcea calycosa subsp. calycosa L. Ahart 2008-5-23 15764 Butte Along a small drainage, on the west side of Guardians Trail, just northwest of Pine Trail, Upper Bidwell Park, about 3/8 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico Comment
  CHSC101171  Sidalcea robusta Lowell Ahart 2009-5-15 15681 Butte 10 yards east of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. 235 Comment
  CHSC117406  Sidalcea diploscypha B. Castro 2009-5-5 1780 Butte Sacramento Valley. Ca 8 air mi NW of Oroville, 0.2 mi W of Hwy 99 and 0.75 mi S of Nelson Rd. 53 Comment
  CHSC4685  Sidalcea hartwegii R. Carter 1966-4-30 388 Butte Found 7 mi. E of Oroville ca. 1/8 mi. W off Feathervale at 6120 Woodleaf St. Rt.: growing 100 yds W of house on hillside. 243 Comment
  CHSC71543  Sidalcea glaucescens Vernon H. Oswald 1998-7-26 9364 Butte Colby Mtn. Lookout Rd. (26N57) 0.9 mi northwest of Humboldt Rd. at Jonesville. On the edge of the road. 1560 Comment
  CHSC75384  Sidalcea diploscypha Jennifer Slater 1997-4-27 36 Butte Upland the Wurlitzer addition of the Vina Plains Preserve, west of the Highway 99, approx. 10 miles north of Chico. 67 Comment
  HSC23513  Sidalcea hartwegii J. Moore 1969-5-5 145 Butte Hwy. 70, 3 mi. S of Oroville Comment
  RSA31842  Sidalcea robusta A. A. Heller 1941-5-9 s.n. Butte Clark Road about a mile above the site of the old Clear Creek Post Office. Comment
Read comments
May 22 2007
  UC1013144  Sidalcea asprella C. L. Hitchcock 1952-5-28 19538 Butte 1/4 mi e Forbestown Comment
  UC725445  Sidalcea hartwegii A. A. Heller 1940-5-5 15573 Butte above the 10 Mile House site (between Big and Little Chico Creeks); between Big and Little Chico Creeks Comment
  UC725657  Sidalcea calycosa subsp. calycosa A. A. Heller 1942-5-17 16471 Butte on Chico Oroville Road about a half mi w Wick's Corner; w of Wick's Corner on Chico Oroville Road Comment
  UC764088  Sidalcea calycosa subsp. calycosa R. F. Hoover 1936-5-21 1164 Butte 7 mi n Chico; n of Chico Comment
  UCD80453  Sidalcea hartwegii CNPS SN Foothill Team 2005-4-13 SNFN 0078 c Butte City of Chico, Doe Mill Meadowfoam Preserve, at the east end of Warfield Street, ca. 85 m south of the Preserve gate entrance. 82 Comment
  SEINET10937541  Sidalcea hartwegii Mary Susan Taylor 1980-4-27 Taylor 2570 Butte T22N R2E sc sec 25. On N side of Humbug Rd, ca. 0.5 mi upstream from Honey Run Covered Bridge, ca. 7 mi E of Chico; Foothill Woodland. With J.D. Jokerst. 122 Comment
  UC725939  Sidalcea hartwegii A. A. Heller 1938-5-4 15061 Butte near the covered bridge on Butte Creek e Chico; near the covered bridge on Butte Creek e of Chico Comment
  JEPS117721  Marsilea vestita subsp. vestita Lowell Ahart 2010-6-20 16821 Butte About 1/4 mile north of Cox Lane, about 1 1/2 miles east of Palermo Honcut Highway, Guidci Ranch, about 7 1/2 miles (air) southeast of Oroville 59 Comment
  UC672620  Marsilea vestita subsp. vestita Herbert L. Mason 1927-5-9 3706 Butte 15 mi w Oroville; Sacramento Valley Comment
  CAS-BOT-BC76942  Pilularia americana Lowell Ahart 1983-5-12 3969 Butte About 1/2 mile north-east of Highway 99 & Pentz Road. 65 Comment
  CHSC28691  Pilularia americana M. S. Taylor 1979-5-6 2002 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC1066  Proboscidea louisianica E. Walker 1932-9-1 Butte Oroville-Marysville road. Comment
  CHSC31760  Proboscidea louisianica Lowell Ahart 1974-9-8 632 Butte Peter Ahart Ranch, Honcut, in barnyard. 45 Comment
  UC204597  Proboscidea louisianica subsp. louisianica W. C. Morgan 1918-9-2 Butte Chico Comment
  CHSC22977  Toxicoscordion venenosum var. venenosum Robert A. Schlising 1963-5-4 2562 Butte South of Cohasset, along Cohasset Hwy, 5.2 miles north of Jct with Kiefer Rd. Sierra Nevada. Comment
  CHSC2928  Toxicoscordion venenosum var. venenosum W. Fitzwater 1958-4-12 Butte Cohasset Rd., Chico area. 426 Comment
  CAS-BOT-BC519597  Trillium albidum A. A. Heller 1919-5-17 s.n. Butte Butte County 21 Comment
  CHSC116591  Glinus lotoides B. Castro; Robin Carter, Sabrina Bell 2013-10-3 2001 Butte Sacramento Valley. Ca 6 air mi SW of Oroville, 2 mi SE of Thermalito Afterbay and ca 0.5 mi W of Hwy 70 off Pacific Heights Road, in the Oroville Wildlife Area. 32 Comment
  CHSC80020  Mollugo verticillata L. P. Janeway; B. Castro 1999-6-4 6451 Butte Sacramento Valley. East side of the Sacramento River 1.4 km southeast of the Ord Ferry Road Bridge. 30 Comment
  CHSC101090  Calandrinia ciliata Lowell Ahart; John Dittes 2009-3-20 15512 Butte Open area west of the Guardian Rock Trail, about 175 yards southwest of the Ten Mile House Road Trail, about 300 yards west of Highway 32, west of the intersection of Highway 32 and Ten Mile House Road, Upper Bidwell Park, about 10 miles northeast of Chico. 407 Comment
  CHSC3958  Calandrinia ciliata Ann Dolder 1967-4-8 Butte Ca. 100 yds e of road on Table Mt., 6 1/2 miles from Oroville. 335 Comment
  SBBG17207  Calandrinia menziesii M. Vincent 1961-3-29 28 Butte Bidwell Park, Chico Comment
  CHSC105512  Calyptridium monospermum Lowell Ahart 2010-9-28 17251 Butte On damp black soil, about 20 yards west of Big Kimshew Creek, about 100 yards east of the poor dirt road, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrood Reservoir. 1886 Comment
  JEPS117419  Calyptridium monospermum Lowell Ahart 2010-9-28 17251 Butte On damp black soil, about 20 yards west of Big Kimshew Creek, about 100 yards east of the poor dirt road, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrood Reservoir 1886 Comment
  SD1522  Calyptridium monospermum E. B. Copeland 1930-7-12 Butte Above Jonesville 2000 Comment
  SEINET5336314  Calyptridium paniculatum K. Conger 1907-1 s.n. Butte Brush Creek. Comment
  CAS-BOT-BC228747  Cistanthe umbellata J. B. Copeland 1930-7-9 413 Butte Jonesville 1500 Comment
  CHSC109115  Claytonia parviflora subsp. parviflora Lowell Ahart 2012-3-23 17802 Butte On the sides of the trail down to Big Chico Creek, about 70 yards west of Ten Mile House Road, about 3/4 mile west of Highway 32, about 9 miles (air) northeast of Chico. 202 Comment
  CHSC28634  Claytonia rubra subsp. rubra M. S. Taylor 1979-3-31 1976 Butte Lickey Ranch, along Ishi trail, ca. 1/2 mi ne of Concow Rd, and Lake Concow, ca. 25 mi n of Oroville. 670 Comment
  CHSC32135  Claytonia rubra subsp. rubra L. Ahart 1977-3-28 1228 Butte Near North Honcut Creek, Peter Ahart Ranch, Honcut. 50 Comment
  CHSC33699  Claytonia parviflora subsp. parviflora L. Ahart 1981-4-9 2756 Butte On dry grassy soil on banks of North Honcut Creek, Peter Ahart Ranch, ca. 1 mi n and 3 mi e of Honcut. 50 Comment
  CHSC42078  Claytonia perfoliata subsp. perfoliata Kim McKirahan 1986-4-11 9 Butte Wurlitzer Addition to Vina Plains Preserve. Pine Creek. 56 Comment
  JEPS107415  Claytonia parviflora subsp. parviflora Lowell Ahart, Paul Maslin, John Dittes 2005-3-17 11651 Butte Big Chico Creek Ecological Reserve. South of the fence, on the east side of the very poor dirt road, about 1/8 mile northwest of the Indian Cave, about 3/4 mile west of Big Chico Creek, about 4 1/2 miles (air) northeast of Chico 481 Comment
  SEINET10572701  Claytonia parviflora Mary Susan Taylor 1981-3-24 Taylor 3440 A Butte Two mile stretch along both sides of Feather River Hwy (70), just ne of Pulga to Cresta Powerhouse, ca. 20 mi ne of Oroville; granite gravels & soil; ca. 1700 ft. T23N R5E Pulga quad. 518 Comment
  SEINET10929039  Claytonia rubra Mary Susan Taylor 1981-3-24 Taylor 3440 Butte Two mile stretch along both sides of Feather River Hwy (70), just ne of Pulga to Cresta Powerhouse, ca. 20 mi ne of Oroville; granite gravels & soil; ca. 1700 ft. T23N R5E Pulga quad. 518 Comment
  SEINET11933184  Claytonia perfoliata M. S. Taylor 1981-1 3807 A Butte Vallombrosia St., E of its jct with Espanade, Chico 30 Comment
  SEINET10830261  Lewisia cantelovii Mary Susan Taylor 1980-9-27 Taylor 3342 Butte T23N R5E center sec 11, Pulga quad. S side of Hwy 70, at Butte-Plumas county line; exposed slab granite. 549 Comment
  CHSC34213  Montia parvifolia M. S. Taylor 1981-4-28 3568 A Butte Along Four Trees Rd in wet mossy areas near creeks, ca. 1/2 mi e of Hwy 70, ca. 2 mi ne of Pulga. 701 Comment
  CHSC50557  Montia diffusa Vernon Oswald 1990-7-10 4361 Butte Bryant Ravine Rd 0.25 mi north of Feather Falls Trailhead, ca. 1.5 mi (air) north-northwest of the town of Feather Falls. Scattered plants in disturbed soil along a short track leading to Bryant Ravine Creek. 749 Comment
  CHSC56572  Montia chamissoi L. P. Janeway; R. A. Schlising 1988-7-1 2928 Butte Along meadowy creek draining the lake of southeastern-most headwaters of Butte Creek. In the creek and at dryish edges. 1935 Comment
  CHSC99018  Montia fontana subsp. chondrosperma Lowell Ahart 2008-5-21 14783 Butte Dry t0 damp bare granite soil, below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  JEPS114967  Montia fontana subsp. chondrosperma Lowell Ahart 2008-5-21 14783 Butte Dry t0 damp bare granite soil, below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 246 Comment
  JEPS116117  Montia parvifolia Lowell Ahart 2009-5-15 15718 Butte On the east bank of Big Chico Creek, on the west side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico 234 Comment
  CAS-BOT-BC445134  Montia parvifolia Mrs. C. C. Bruce 1897-6-1 1117 Butte Forest Ranch Comment
  SEINET10929037  Montia spathulata var. tenuifolia Lowell Ahart, James D. Jokerst 1985-3-24 Ahart 4859 Butte West of Lunt Road, about 1/2 mile north of the inter- section of Lunt Road and Highway 70, north of Yankee Hill. Comment
  CHSC117436  Anagallis arvensis Lowell Ahart 2016-5-30 20900 Butte On the south side of a deep wash, west of Little Pump, Peter Ahart Ranch, about 2 1/2 miles north and 1/4 mile east of Honcut, about 12 miles (air) south of Oroville. 30 Comment
  UC463031  Anagallis arvensis E. B. Copeland 1931-7-20 Butte Albertine 1700 Comment
  CHSC25486  Centunculus minimus L. Ahart 1977-6-2 Butte Along the edge of North Honcut Creek. Peter Ahart Ranch, Honcut. 50 Comment
  SBBG17252  Trientalis latifolia M. Vincent 1962-4-18 208 Butte 3 mi E of Countolenc Rd at Whisky Flats near Feather River Comment
  CDA3527  Nymphaea odorata G. D. Barbe 1975-6-4 2031 Butte Between Nelson West Road and Pacific Gas & Electric reservoir, 1/4 mile east of Chico/Butte City Highway. 0 Comment
  CHSC1084  Fraxinus dipetala M. Roberson 1956-5-2 Butte S.W. of Paradise, along the Skyway. 426 Comment
  CHSC3019  Fraxinus latifolia Carl Pejsa 1958-4-19 53 Butte Bidwell Park Forestry Station. Comment
  POM76346  Fraxinus dipetala C. C. Bruce 1898-03 2471 Butte Foothills [no specific locality given] Comment
  SBBG126076  Fraxinus dipetala L. Ahart 2012-4-20 17896 Butte W side of S Rim Trail, ca 5/8 mi W of Hwy 32, ca 8.5 mi NE of Chico, S part of Upper Bidwell Park 254 Comment
  RSA34062  Boisduvalia stricta A. A. Heller 1900-5-8 5513 Butte Berry Canyon Comment
  CHSC44515  Camissonia contorta Lowell Ahart 1988-5-30 6019 Butte Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC48619  Camissonia contorta Vernon Oswald 1988-3-17 3259 Butte Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. 54 Comment
  POM219646  Circaea alpina subsp. pacifica H. F. Copeland 1928-8-21 428 Butte Neighborhood of Jonesville, woods by Willow Creek 1524 Comment
  CAS-BOT-BC163644  Clarkia purpurea subsp. quadrivulnera Lowell Ahart 1980-5-4 2171 Butte Thermalito 65 Comment
  CAS-BOT-BC164783  Clarkia rhomboidea Helen M. Edwards 1917-6-6 s.n. Butte De Sabla Comment
  CAS-BOT-BC165441  Clarkia unguiculata R. W. Thorp 1963-7-3 63 -55 Butte 12 miles northeast of Chico Comment
  CHSC1116  Clarkia unguiculata R. Carter 1964-5-27 103 Butte Ca. 5 mi. E of Oroville on Old Quincy Rd. 100 yds. W of Glenn Dr. on S side of road. 91 Comment
  CHSC32913  Clarkia arcuata J. P. Smith; J. O. Sawyer 1973-4-14 6054 Butte Bruce Lane, between Skyway and Humboldt Road east of Chico. Comment
  CHSC35151  Clarkia rhomboidea S. Azevedo 1980-6-13 3702 Butte NE of Forest Ranch, 2.3 mi E anda SE of Hwy 32 along Garland Road. 902 Comment
  CHSC37426  Clarkia mosquinii R. A. Schlising; K. Tarp, R. Banchero 1981-7-11 4134 A Butte NE of Oroville; N of the French Creek Road crossing of Peavine Creek. Roadside. 647 Comment
  CHSC38565  Clarkia arcuata Vernon Oswald 1983-4-10 324 Butte Upper Bidwell Park, Chico, along Yahi Trail ca. 1000 ft e of Parking Area N (Salmon Hole). 158 Comment
  CHSC43559  Clarkia rhomboidea Lowell Ahart 1979-5-29 1910 Butte Near the edge of a dirt road, about 1/2 mile east of Kunkle Creek and Kunkle Reservoir, about 2 1/2 miles south-east of Paradise. 457 Comment
  CHSC48625  Clarkia gracilis subsp. albicaulis Vernon Oswald 1984-5-28 1210 Butte Cohasset Rd., 3.0 mi n-e of its jct. with Keefer Rd. Beside the road. 243 Comment
  CHSC70734  Clarkia mildrediae subsp. mildrediae L. P. Janeway 1995-7-16 4858 Butte 0.8 mi northwest of Oak Point; 0.8 mi east of Transfer Ridge; east side of Breakneck Canyon 1.5 mi north of Kimshew Creek; along Concow Road 8.2 mi east of West Branch Feather River. 1402 Comment
  CHSC70755  Clarkia rhomboidea L. P. Janeway 1994-6-17 4664 Butte Along Pulga Road (Camp Creek Road) 7.5 mi northeast of Pulga Bridge (Hwy 70); northwest side of canyon of North Fork Feather River almost overlooking Arch Rock. 701 Comment
  CHSC73801  Clarkia mildrediae subsp. lutescens Ann Willyard 1997-7-16 Butte Ca 1.5 air mi S of Deer Park site on Rock Island Ridge, at E edge of USFS Rd 23N60 as it parallels Marble Creek, ca 0.5 air mi NE of its confluence with Little North Fork Feather River. On SW-facing roadcut ca 0.2 mi N of hairpin curve in road. 1143 Comment
  CHSC8618  Clarkia gracilis subsp. albicaulis L. V. Ritter 1969-5-5 307 Butte Ca 2 mi. w of Cohasset, ca 10 yds. s of Cohasset highway. Comment
  SEINET10453167  Clarkia rhomboidea Mary Susan Taylor 1981-5-21 Taylor 3790 Butte T23N R5E se sec 21, Pulg quad. E side of Mayaro Rd, ca. 0.5 mi N of Mayaro, ca. 2 mi N of Pulga on Feather River Hwy 70. In decompoed granite gravel embankment; openings of Yellow Pine Forest; 2000 ft. 610 Comment
  CDA42893  Epilobium torreyi L. Ahart 2012-6-5 18157 Butte Along the poor dirt road, on the south side of Beatson Hollow, about 3/4 mile northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 6 miles (air) north of Oroville. Comment
  CHSC13710  Epilobium densiflorum M. S. Taylor 1974-10-11 333 Butte On sandbar in Sacramento River, ca. 1/4 mi n of washout, ca. 10 mi w of Chico. Comment
  CHSC35104  Epilobium pygmaeum R. Schlising; J. D. Jokerst 1980-7-2 3823 Butte SE of Chico, along Skyway, 0.5 mi W of jct with Humbug Road, by Butte Creek Diversion Channel. Vernal pool along Skyway. 68 Comment
  CHSC40590  Epilobium brachycarpum Lowell Ahart 1985-10-12 5201 Butte Near the boat ramp, at the end of Nelson Bar Road, about 1 mile south of Kunkle Reservoir, about 3 miles south of Paradise. 301 Comment
  CHSC43149  Epilobium densiflorum R. Banchero; R. Schlising, M. Merryman 1979-10-7 48 Butte 7.7 mi S from intersection of Ord Ferry Road and Dayton Road, south of Chico; along canal. Comment
  CHSC70334  Epilobium minutum R. A. Schlising 1983-6-9 4419 Butte N part of county, along Humboldt Road, 1.9 mi NE of junction with Hwy 32 at Lomo. Carpenter Ridge. 1356 Comment
  CHSC95136  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2006-11-12 13542 Butte Unfarmed rice field, Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville. 30 Comment
  JEPS110127  Epilobium canum subsp. latifolium Lowell Ahart 2006-9-28 13386 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel 445 Comment
  JEPS119635  Epilobium campestre Lowell Ahart 2012-6-4 18153 Butte Peter Ahart Rancho, about 2 1/4 miles north and 1 mile east of Honcut, about 12 miles south of Oroville. Comment
  JEPS95175  Epilobium campestre Vernon H. Oswald and Lowell Ahart 1996-5-27 7653 Butte U.S. Fish & Wildlife Service parcel between 7 Mile Lane and the Sacramento River (Sacramento River National Wildlife Refuge, Llano Seco Unit, at s end of Tract 2, Sanctuary II); Sacramento R. National Wildlife Refuge, Llano Seco Unit 33 Comment
  JEPS95944  Epilobium cleistogamum Lowell Ahart 1999-5-21 8071 Butte 50 yards north of Evans Reimer Road; about 7/8 mile east of Pennington Road; about 5 miles (air) southwest of Gridley 21 Comment
  POM219517  Epilobium obcordatum E. B. Copeland 1931-7-13 664 Butte Jonesville, at the Summit 2000 Comment
  RSA724844  Epilobium canum subsp. latifolium L. Ahart 2006-9-28 13386 Butte East side of the North Fork of the Feather river, on the west side of Highway 70, about 10 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  UC172853  Epilobium pallidum A. A. Heller 1912-5-23 10750 Butte n Oroville; Table Mountain Olive Ranch Comment
  UC204407  Epilobium torreyi A. A. Heller 1914-5-11 11388 Butte 8 mi n Oroville Comment
  UC600554  Epilobium glaberrimum subsp. glaberrimum H. F. Copeland 1932-7-21 Butte edge of Kennedy's Meadow Jonesville Comment
  UCD105294  Epilobium brachycarpum A. A. Heller 1916-9-5 12648 Butte 8 miles N of Oroville. Comment
  UCD105783  Epilobium ciliatum subsp. ciliatum L. E. Hazeltine 1916-7-24 s.n. Butte Chico. Comment
  UC873279  Epilobium ciliatum subsp. ciliatum A. A. Heller 1914-7-13 11568 Butte 10 mi e Oroville (stream banks); Mt. Ida Ranch Comment
  CDA38135  Gayophytum diffusum subsp. parviflorum L. Ahart 2003-8-17 10513 Butte North edge of the meadow, about 100 yards northeast of the buildings in Butte Creek House Meadow, about 3 miles northeast of Snag Lake, about 7 miles (air) east of Butte Meadows. Comment
  UC600542  Gayophytum heterozygum H. F. Copeland 1931-6-11 Butte betw. Scotchjohn Creek and Willow Creek; Jonesville, Butte Creek Canyon Comment
  CHSC1135  Ludwigia peploides subsp. peploides D. Bower 1953-7-16 Butte 3A Llano Seco. Marsh. 30 Comment
  JEPS113700  Ludwigia palustris Lowell Ahart 2007-7-8 14275 Butte On the north side of North Honcut Creek, Peter Ahart Ranch, about 3/4 miles north and 2 1/2 miles east of Honcut, about 12 miles (air) southeast of Oroville 45 Comment
  UC1191767  Ludwigia peploides subsp. peploides Herbert L. Mason and Verne Grant 1946-8-14 13019 Butte canal near big pond on Sacramento Outing Club; Butte Sink, Sacramento Outing Club Comment
  CHSC112875  Ludwigia decurrens Evan Padgett 2014-8-20 Butte Sacramento Valley. Agricultural fields between Richvale and Highway 162, east of Midway, next to rice fields. 26 Comment
  JEPS44059  Oenothera elata subsp. hirsutissima W. L. Jepson 1939-8-17 19458 Butte near Oroville; Feather River 45 Comment
  CHSC35978  Cephalanthera austiniae M. S. Taylor 1982-6-24 4746 Butte Rag Dump 5, ca. 2 mi n of Flea Mt, ca. 10 mi n of Jarbo Gap on Hwy 70. 1158 Comment
  UCD138894  Cephalanthera austiniae Kenneth D. Stewart 1965-7-15 s.n. Butte State Highway 32, around 15 miles north of Forest Ranch. Comment
  SBBG128078  Epipactis gigantea L. Ahart 2009-6-3 15833 Butte E side of Big Chico Crk, SW of the meadow, ca. 30 yards W of Ten Mi House Rd, Upper Bidwell Park, ca. 3/4 mi W of Hwy 32 209 Comment
  CHSC85749  Goodyera oblongifolia G. F. Hrusa; T. D. Wilfred 1996-7-8 13087 Butte Plumas National Forest. Near Old Railroad Grade Rd., Paradise Lake Dam, approx. 3 m. N of Magalia. [Lat./Long. on label is '39 degrees 51' N; 121 degrees 34' W']. 800 Comment
  POM196098  Listera convallarioides E. B. Copeland 1929-7-15 355 Butte Jonesville. 1500 Comment
  CHSC44449  Piperia transversa Lowell Ahart 1988-6-21 6053 Butte Along Poe Power House Road, about 3/4 mile north of the Poe Power House, about 1 1/4 miles south-east of Jarbo Gap. 426 Comment
  CHSC82484  Piperia transversa Lowell Ahart; John Dittes, Josephine Guardino 2002-6-21 9743 Butte Mountainside, on the north side of a poor dirt road, Watson Ridge, about 2 miles (air) northeast of Bald Rock Dome, about 5 miles (air) north of Feather Falls (the town). Comment
  CHSC99477  Spiranthes porrifolia Lowell Ahart 2008-6-13 14825 Butte Small meadow, bottom of an old gold mined area, about 350 yards southwest of the cemetery, about 50 yards north of Oregon gulch, about 10 miles (air) northeast of Oroville. 305 Comment
  CHSC12926  Aphyllon epigalium subsp. epigalium K. D. Cox 1974-6-16 190 Butte Vilas Rd., 5.4 mi. S of Cohasset rd. N. of Chico. Comment
  CHSC101323  Castilleja applegatei subsp. pinetorum Lowell Ahart 2009-4-22 15594 Butte West side of Guardians Trail, about 100 yards north of Pine Trail, Upper Bidwell Park, west of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico. 381 Comment
  CHSC109162  Castilleja affinis subsp. affinis Lowell Ahart 2012-5-12 18041 Butte On the west edge of an old road, Humboldt Trail, about 1/10 mile west of an old road, Humboldt Trail, about 1/10 mile west of Highway 32, south part of Upper Bidwell Park, about 7-1/2 miles (air) northeast of Chico. 414 Comment
  CHSC114977  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-4-13 20033 Butte On the north side of Rim Road, about 2-1/2 miles (air) north of Jarbo Gap, about 17 miles (air) north of Oroville. 830 Comment
  CHSC12164  Castilleja J. Grove 1973-4-24 77 Butte Collected 1 mi W of Paradise. Comment
  CHSC1824  Castilleja lacera M. Roberson 1956-4-23 Butte SE of Paradise, along Skyway. 426 Comment
  CHSC2427  Castilleja lacera R. Carter 1965-6-15 233 Butte Found .5 mi. N of Derrick Rd. on Old Cherokee Rd. along W side of orad ca. 5' from edge of road, North Table Mountain ca 5 mi. of Oroville. 335 Comment
  CHSC44430  Castilleja lacera Lowell Ahart 1988-6-15 6040 Butte North of Forbestown Road, about 100 meters east of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC4917  Castilleja exserta R. L. Adams 1964-3-24 56 Butte Open field NE of Chico. Manzanita Ave. E. of Manzanita School, Chico. Comment
  CHSC61015  Castilleja campestris subsp. campestris Lowell Ahart 1993-5-17 6950 Butte On the west side of Dunstone Road, about 1 1/2 miles north and 3 miles east of Honcut, about 12 miles south-east of Oroville. 60 Comment
  CHSC82261  Castilleja campestris subsp. campestris Lowell Ahart 2002-4-24 9531 Butte Vernal pools and swales, in a field, on the east side of Lone Tree Road, about 1 1/8 miles north of Cox Lane, about 3 miles (air) southwest of Palermo, about 7 miles (air) south of Oroville. 35 Comment
  JEPS4518  Castilleja lacera Rimo Bacigalupi and L. R. Heckard 1952-6-20 3754 Butte 3.0 mi e Hurlebut (along road between Hurlebut and Forbestown) 762 Comment
  UC1594630  Castilleja tenuis Lowell Ahart 1992-7-29 6883 Butte about 0.75 mi nw Lotts Lake (about 1 mi ne of the Carr Mine) 1798 Comment
  UC426964  Castilleja tenuis E. B. Copeland 1930-7-24 470 Butte Jonesville 1500 Comment
  CAS-BOT-BC241126  Castilleja miniata A. A. Heller 1914-8-7 11658 Butte Summit back of and east of Jonesville, on a north slope just below the crest of the ridge 2133 Comment
  UCSB63719  Castilleja exserta subsp. exserta Jensen, Julie 1987-4-10 Butte 2 mi from Cherokee Rd; Table Mountain; Oroville quad.,7.5', T 20 N, R 4 E, NW 1/4 Sec. 18 335 Comment
  CHSC48986  Cordylanthus tenuis subsp. viscidus Vernon Oswald 1983-8-17 977 Butte Humbolt Rd., 2.1 mi ne of Lomo. 1383 Comment
  RSA4169  Cordylanthus tenuis subsp. viscidus E. B. Copeland 1929-7-29 469 Butte Jonesville. 1650 Comment
  UCR231505  Cordylanthus tenuis Anna M. Hurlbutt 2009-8-7 022 Butte Northern Sierra Nevada Mtns., vicinity of Inskip Inn, end of paved part of Skyway Rd., north of Paradise 1463 Comment
  JEPS114177  Orobanche fasciculata L. P. Janeway 2006-5-31 8650 Butte Northern High Sierra Nevada. Plumas National Forest; northwest side of Rim road (Ponderosa Way) at southern end of Rocky Ridge and southern end of its serpentine openings. Comment
  CAS-BOT-BC500246  Orobanche uniflora subsp. occidentalis Lowell Ahart 1979-4-3 s.n. Butte Peter Ahart Ranch, Honcut 50 Comment
  RSA715718  Orthocarpus erianthus L. P. Janeway 2005-3-1 8332 Butte Cascade Range Foothills. East edge of city of Chico; north side of Humboldt Rd. 1.8 km northeast of Bruce Road. 134 Comment
  RSA3785  Orthocarpus erianthus A. A. Heller 1926-3-22 13910 Butte East of Chico near the Hooker Oak, Comment
  SEINET4854291  Orthocarpus bicolor Unknown 1902-5-10 5519 Butte Berry Canyon, (near Clear Creek). Comment
  CDA6384  Parentucellia viscosa L. P. Janeway 2006-5-24 8606 Butte Northern Sierra Nevada Foothills; Near the eastern shores of Lake Wyandotte, about 7.0 air km east-southeast of Oroville Dam. Comment
  CDA6402  Parentucellia viscosa L. P. Janeway 2006-5-4 8574 Butte Northern Sierra Nevada Foothills; On the slopes above the east side of Pentz Road 0.5 km north of Durham-Pentz Road. Comment
  JEPS98570  Parentucellia viscosa Lowell Ahart 2000-6-6 8456 A Butte 5 mi(air)E of;in a meadow on bottom of old gold mining pit 200 yds NW of dirt road crossing Oregon Gulch creek, 1/4 mi N of cemetary, 1 1/2 mi S of Crystal Hill Oroville Dam 304 Comment
  RSA712869  Parentucellia viscosa L. P. Janeway 2006-5-4 8574 Butte Northern Sierra Nevada Foothills. Above the east side of Pentz Road 0.5 km north of Durham-Pentz Road. 201 Comment
  CHSC11888  Pedicularis semibarbata E. B. Copeland 1931-6-21 688 Butte Jonesville. 1550 Comment
  CHSC3549  Triphysaria eriantha Gary Dutton 1966-2-21 26 Butte Found N. W. 99E on Neal Rd. about 1/2 mile. Comment
  CHSC93364  Triphysaria eriantha subsp. eriantha Lowell Ahart 2006-4-23 12531 Butte About 400 yards north of the cattle chute and parking area on the west side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 400 Comment
  UCR243138  Triphysaria eriantha Maura Cullinare 1983-4-16 7 Butte From I-80 go north onto 99, pass Chico, take Cohasset exit NE, turn right onto Richardson Spring Road, drive 3 miles to Springs of Living Water Camp. Cabins off to right. About 100 ft. east of cabin 17 305 Comment
  CHSC27246  Oxalis pes-caprae P. Moyer 1972-3-4 104 Butte CSUC campus. Building K lawn. 60 Comment
  CHSC37411  Paeonia brownii R. A. Schlising; K. Tarp 1982-7-28 4353 Butte E of Pulga and SW of Coyote Gap Station, on Big Bar Mountain Road. On roadside bank. 1249 Comment
  CAS-BOT-BC401862  Corydalis caseana subsp. caseana A. A. Heller 1928-6-20 14685 Butte Forest of Butte Meadows Comment
  UC726580  Dendromecon rigida A. A. Heller 1918-5-5 13010 Butte Magalia Comment
  SEINET12094434  Dendromecon rigida Unknown 1988-1 10 Butte 1.2 mi N of Paradise, ca 1.3 mi SE of Magalia Reseervoir, ca 40 ft. E of Skyway 579 Comment
  CHSC13505  Dicentra formosa A. R. Morrison 1974-4-20 Butte On trail to Feather Falls, ca. 2 mi. upstream from Lake Oroville. Comment
  CHSC44307  Dicentra uniflora Lowell Ahart 1988-3-28 5955 Butte Near Lumpkin Ridge Road, about 1 1/2 miles east of Camp 18, about 8 miles east of Feather Falls. 1280 Comment
  CHSC76943  Dicentra formosa Ida Ryan 1893-5-1 Butte Big Chico Creek. Comment
  SEINET12091623  Dicentra formosa G. W. Cox 1972-1 10 Butte Found beside Centerville Rd., about 5 mi NE of Centerville Comment
  CHSC85392  Eschscholzia lobbii John Dittes; Josephine Guardino 1992-5-7 482 Butte Cascade Range Foothills; ca. 5.1 air-miles northeast of Chico City Hall, ca. 1.3 air-miles east by southeast of Horseshoe Lake, ca. 1.2 air-mile west of Hwy 32; north of tributary of Dead Horse Slough, east of Canyon Oaks Golf Course. 176 Comment
  CHSC99652  Eschscholzia californica H. Koeth 2007-4-26 Butte 20th and Salem St., Chico. Growing in an unmanaged lawn. UTM 10 600693E 4396754N 57 Comment
  RSA795647  Eschscholzia caespitosa L. Ahart 2012-4-20 17898 Butte West side of South Rim Trail, animal trail north of Bloody Pin Trail, about 5/8 miles west of Highway 32, about 7 3/8 miles northeast of Chico, south part of Upper Bidwell Park. 256 Comment
  UC176651  Eschscholzia lobbii A. A. Heller 1913-4-6 10714 Butte near Big Chico Creek (e of Chico) Comment
  SEINET12091620  Eschscholzia glyptosperma D. K. Aust 1981-1 3 Butte Bidwell Park, Chico, ca 200 yds W of Horseshoe Lake, Wildwood Ln, 2.5 mi W of Manzanita Road; 107 Comment
  UC85481  Eschscholzia lobbii Mrs. R. M. Austin Feb. 1896 Butte Chico Plains Comment
  CAS-BOT-BC422641  Meconella californica W. R. Ernst 1958-3-27 215 Butte Above the Butte Creek Bridge on the Honeyrun Road to Paradise (east of Chico). 152 Comment
  POM97344  Meconella californica R. M. Austin 1883-05 22 Butte Near Chico Comment
  CHSC39417  Platystemon californicus J. D. Jokerst. 1984-4-7 1966 Butte Table Mountain. Ca 100 meters south of the creek that flows into the south fork of Coal Creek Cayon. Comment
  CAS-BOT-BC154036  Diplacus torreyi A. A. Heller 1928-6-20 14616 Butte At Butte Meadows Comment
  CHSC27061  Diplacus tricolor Lowell Ahart 1978-5-1 Butte Peter Ahart Ranch, Honcut. 50 Comment
  CHSC29394  Diplacus kelloggii R. A. Schlising; S. Azevedo 1980-6-13 3696 Butte NE of Forest Ranch, 2.3 mi E and SE of Hwy 32 along Garland Road (and 0.25 mi from jct latter and Ponderosa Way and Doe Mill Road). 902 Comment
  CHSC3230  Diplacus grandiflorus Virginia Hagaman 1966-5-1 159 Butte At Centerville Power House, 10.3 miles east off highway 99E on Humbug road. Comment
  CHSC33585  Diplacus grandiflorus M. S. Taylor 1981-5-5 3599 Butte E side of Lumpkin-La Porte Rd, 1 mi n of Enterprise bridge over south fork Feather River, ca. 10 air mi e of Oroville. 457 Comment
  CHSC34078  Diplacus kelloggii M. S. Taylor 1980-4-27 2552 Butte On n side of Ponderosa Way Rd, ca. 0.5 mi e of Nimshew Rd, ca. 1 mi s of Nimshew. 609 Comment
  CHSC38708  Diplacus torreyi Vernon Oswald 1983-6-11 666 Butte Upper Bidwell Park, in Lindo Channel near the diversion weir. 79 Comment
  CHSC44746  Diplacus douglasii R. Banchero 1980-4-7 93 Butte Along Swedes Flat Rd ca 2.8 mi E of its jct with Bangor Hwy, Ca 0.6 mi W of the jct of Swedes Flat Rd and Hurleton-Swedes Flats Rd. 373 Comment
  CHSC44771  Diplacus grandiflorus R. Banchero 1980-6-19 258 Butte Along Concow Rd 4.95 mi N of its jct with Deadwood Rd, 5.8 mi N of the town of Concow. 646 Comment
  CHSC44817  Diplacus grandiflorus R. Banchero 1980-4-13 112 Butte Along the bluffs 0.7 mi NW of the Covered Bridge, ca 6.8 mi E of Chico. 304 Comment
  CAS-BOT-BC151942  Diplacus douglasii Frances Brown 1935-3-20 s.n. Butte Durham Comment
  CAS-BOT-BC153214  Diplacus kelloggii C. C., Mrs. Bruce 1897-4-1 2102 Butte Little Chico Comment
  CAS-BOT-BC153221  Diplacus kelloggii Jean L. Pawek 1956-5-21 53 Butte Alt. 40, Feather River 609 Comment
  CAS-BOT-BC154039  Diplacus torreyi F. W. Peirson 1926-6-21 6778 Butte High ridge east of Butte Meadow, Humboldt Road Comment
  CAS-BOT-BC154166  Diplacus tricolor Lowell Ahart 1982-5-12 3433 Butte Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut 50 Comment
  CAS-BOT-BC154169  Diplacus tricolor Mrs. C. C. Bruce 1897-5-1 2107 Butte Fields Comment
  SEINET215109  Diplacus kelloggii R. J. Planck 1963-1 28 Butte Ragdump Rd, 4 mi E of Stirling City log pond Comment
  CHSC113476  Erythranthe primuloides Lowell Ahart 2014-7-10 19614 Butte About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir. 1664 Comment
  CHSC27050  Erythranthe geniculata Lowell Ahart 1978-5-2 Butte On Table Mountain, n of Oroville. 400 Comment
  CHSC3281  Erythranthe guttata M. L. Hillier 1966-5-9 Butte In rd. side ditch. Humbug rd. 2 miles n. of covered bridge. Comment
  CHSC44781  Erythranthe nasuta R. Banchero 1980-3-21 74 Butte Along Hwy 32, 4.2 mi N of Humbolt Rd, Ca 0.5 mi N of Ten Mile House. 487 Comment
  CHSC47692  Erythranthe microphylla Lowell Ahart 1978-5-12 1717 Butte Peter Ahart Ranch, about 2 1/2 miles north and /2 mile east of Honcut, about 12 miles south of Oroville. 36 Comment
  CHSC54452  Erythranthe guttata Vernon H. Oswald; Lowell Ahart 1991-7-15 4741 Butte Milsap Bar Rd (Forest Rd 22N62), 6.4 miles west of Feather Falls-Little Grass Valley Rd (Forest Rd 22N94), ca 5.5 miles (air) east-northeast of Brush Creek. 845 Comment
  CHSC79577  Erythranthe glaucescens S. E. Schoenig 1998-7-5 98 -76 Butte E roadside of Hwy 32, ca. 1 mi N of road to Butte Meadows. Vicinity of Loma. 1097 Comment
Read comments
Mar 10 2006
  CDA31944  Mimulus guttatus L. Ahart 2008-5-21 14774 A Butte Below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam Comment
  CHSC31022  Mimulus moschatus M. S. Taylor 1980-10-6 3361 Butte S side of Hwy 70, ca. 1/4 mi w of Bear Creek jct with n fork Feather River, ca. 0.5 mi w of Arch Rock Tunnel rest stop. 487 Comment
  CHSC33113  Mimulus moschatus M. S. Taylor 1981-5-15 3747 Butte W side of rd 23N00.1 ca. 3/4 mi s of Coyote Gap, ca. 4 air mi e of Pulga on Feather River Hwy 70; near shady creek area. 1158 Comment
  CHSC79580  Mimulus moschatus S. E. Schoenig 1998-7-5 98 -77 Butte E roadside of Hwy 32, ca. 1 mi NE of road Forest Ranch. 1097 Comment
Read comments
Mar 10 2006
  JEPS115643  Mimulus cardinalis Lowell Ahart 2009-8-23 16290 Butte About 30 yards west of the seep at the base of a large rock, northwest of a broad open drainage in oak woodland, about 150 yards northwest of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 1/2 mile (air) west of Highway 32, about 10 266 Comment
  JEPS121902  Mimulus primuloides var. pilosellus Lowell Ahart 2014-7-10 19614 Butte About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir. Comment
  JEPS50780  Mimulus glaucescens Rimo Bacigalupi with Paul Hutchison and L. R. Heckard 1967-6-16 9282 Butte just above Pulga Bridge; North Fork Feather River Canyon Comment
Read comments
Mar 15 2006
  JEPS5567  Mimulus glaucescens H. A. Dutton 1921-1 Butte near Hooker Oak; Chico Comment
  JEPS7098  Mimulus moniliformis Rimo Bacigalupi with L. R. Heckard 1951-8-7 3474 Butte 1/4 mi e Butte Meadows road (at crossing of Chaparral-Butte Meadows road, at very edge of boundary with Tehama Co.); Butte Creek 1325 Comment
  POM252817  Mimulus douglasii A. A. Heller 1938-3-13 15000 Butte Ten Mile House east of Chico. 244 Comment
  RSA189359  Mimulus glaucescens L. S. Rose 1967-5-8 s.n. Butte 1 mile south of Pulga, North Fork, Feather River 427 Comment
  RSA309183  Mimulus glaucescens Robert F. Hoover 1936-5-21 1158 Butte 3 miles north of Chico Comment
  RSA454333  Mimulus glaucescens M. M. Boney 1897-1 s.n. Butte [No location data on label] Comment
  RSA792429  Mimulus glaucescens Dena Grossenbacher, Brian Green 2008-5-4 815 Butte Upper Bidwell Park on banks of Lindo Diversion Channel north of Centennial Ave. 80 Comment
  UC129114  Mimulus torreyi Miss Kate Conger 1907-1 Butte Brush Creek Comment
  UC176073  Mimulus glaucescens A. A. Heller 1912-5-23 10755 Butte n Oroville (Table Mountain Olive Ranch) Comment
  UCD111670  Mimulus bicolor Christopher Mallek 2008-1 HW1- 10 Butte Magalia. 756 Comment
  SEINET10830523  Mimulus cardinalis Mary Susan Taylor 1975-6-25 Taylor 798 Butte Richardson Springs on Mud Creek, ca. 3 mi NE of Cohasset Hwy, ca. 6 mi N of Chico, ca. 1 mi NE of the Hotel at the Springs. With Gary Jones. 244 Comment
  SEINET12319570  Mimulus nasutus Detzer, Sacks 1977-1 23 Butte S side of Honey Run Rd ca 1 km E of Covered Bridge Comment
  UCD122636  Mimulus guttatus L. Ahart 1978-5-1 1677 Butte Peter Ahart Ranch, Honcut. Valley Grassland. 50 Comment
  UCSC000680  Mimulus guttatus Monica Larenas 1985-5-25 s.n. Butte Brush Creek Comment
  CAS-BOT-BC434418  Phytolacca americana Lowell Ahart; Vern Oswald 1985-7-28 5159 Butte Along the road (La Porte Road) about 4 miles north-east of Bangor 304 Comment
  RSA384184  Abies concolor L. Ahart, Peter Ahart 1984-9-26 4812 Butte South Fork of the Feather River, near the new bridge 1 mile N of Golden Trout Crossing and 18 miles [10 road miles] E of Feather Falls [community]. 700 Comment
Read comments
Apr 30 2014
  UC818137  Abies concolor A. A. Heller 1917-7-26 12849 Butte Butte Meadows Comment
  CAS-BOT-BC73148  Pinus lambertiana E. B. Copeland 1929-7-19 332 Butte Jonesville 1600 Comment
  CAS-BOT-BC78448  Pinus contorta subsp. murrayana H. F. Copeland 1929-6-11 1238 Butte Jonesville 1524 Comment
  CAS-BOT-BC78936  Pinus monticola A. A. Heller 1915-6-26 12033 Butte Summit of the Sierra Nevada above Jonesville 2133 Comment
  CHSC109616  Pinus sabiniana Lowell Ahart; Linnea Hanson, Susan Bazell, Josephine Guardino 2012-5-10 18019 Butte On the north side of Big Chico Creek, on the north side of the paved park road, southeast part of the old walnut orchard, south of Vallombrosa Avenue, about 1/8 miles of Peterson Drive, Lower Bidwell Park, Chico. 76 Comment
  CHSC11774  Pinus contorta subsp. murrayana E. B. Copeland 1929-7-15 334 Butte Jonesville. 1550 Comment
  CHSC24866  Pinus contorta subsp. murrayana G. C. Gilliland 1976-4-21 20 Butte One tree growing along n wall of the parking area at the apartments at 180 E. 1st Ave., Chico. 59 Comment
  CHSC82716  Pinus sabiniana Tara Morgan 2002-3-19 3 Butte Right off the west side of Highway 32 on the slope of Big Chico Creek watershed towards the top of the slope along the paved road. 528 Comment
  CHSC84953  Pinus jeffreyi Lowell Ahart 2003-10-17 10641 Butte In rock pile about 25 yards north of Humboldt Peak, about 1/2 mile east of Humboldt Summit, about 8 miles (air) northeast of Butte Meadows. 2154 Comment
  SEINET10866941  Pinus jeffreyi Mary Susan Taylor 1978-7-18 Taylor 1706 Butte On top of Humboldt Peak, at Humboldt Summit, on Butte-Tehama County line. 2159 Comment
  CDA607  Pseudotsuga menziesii T. C. Fuller 1961-11-29 7302 Butte Hwy 40 Alt., Jarbo Gap, Feather River Canyon. Comment
  CHSC24462  Pseudotsuga menziesii var. menziesii M. S. Taylor 1976-2-22 1000 Butte Ca. 2 mi n of Cohasset, ca. 10 ft e of Cohasset Hwy. Comment
  CHSC32154  Pseudotsuga menziesii var. menziesii L. Ahart 1975-4-1 736 Butte Along edge of rd; ca. 2 mi s of Ponderosa Dam. 396 Comment
  CHSC26445  Pittosporum tobira Pam Moyer 1971-10-1 25 Butte CSUC Campus. Bidwell Mansion front lawn. Comment
  CHSC28432  Antirrhinum vexillo-calyculatum subsp. intermedium M. S. Taylor 1979-10-5 2230 Butte On se side of Paradise Lake, ca 1/2 mi n of Coutolenc Rd., ca. 5 mi n of Magalia. 731 Comment
  JEPS124024  Antirrhinum vexillocalyculatum subsp. intermedium Lowell Ahart 2015-6-16 20243 Butte About 2 miles east of the intersection of Lumpkin Ridge Road, County Road and road to Fall River, about 6 3/4 miles (air) northeast of Feather Falls. Comment
  CDA20248  Bacopa eisenii G. D. Barbe 1984-8-25 4191 Butte Sacramento Valley; Biggs Rice Experiment Station, N of Biggs. 0 Comment
Read comments
Dec 5 2007
  CHSC112907  Callitriche marginata B. Castro; Robin Carter 2011-4-29 1872 Butte Sacramento Valley. Between Hwy 99 and the Thermalito Afterbay levee, 0.37 mi S of jcn of Hwys 99 and 162W, ca 0.6 mi N of Hamilton Rd. 36 Comment
  SEINET10457150  Callitriche heterophylla Mary Susan Taylor 1975-4-26 Taylor 529 Butte Kunkle Reservoir, ca. 500 yds E of Pentz-Magalia Hwy, ca. 1 m SE of Paradise. With Orthocarpus erianthus, Centaurea solstitus, Lupinus bicolor, Typha latifolia. 610 Comment
  CHSC43510  Collinsia sparsiflora var. collina Lowell Ahart 1979-4-17 1829 Butte About 1/4 mile north of Avacado Avenue, about 2 miles north-west of Bangor. 137 Comment
  CHSC43513  Collinsia tinctoria Lowell Ahart 1976-7-7 1170 Butte Along the edge of the road to the Little North Fork of the Feather River, about 2 miles north-east of Junction House. 1219 Comment
  CHSC44237  Collinsia parviflora V. Oswald; L. Ahart 1988-7-13 3573 Butte Road to High Lakes e of Philbrook Reservoir. 1859 Comment
  CHSC4624  Collinsia sparsiflora R. Carter 1966-3-22 310 Butte Found ca. 5 mi. NE of Oroville on top Table Mt.; growing 20 yds. off E side Old Cherokee Rd., 5.5 mi. from Chico Rd. Comment
  RSA633334  Collinsia sparsiflora Michael A. Vincent, Ethan H. Freid 1998-4-6 8129 Butte Table Mountain. Comment
  SEINET12319539  Collinsia grandiflora Unknown 1973-1 14 Butte ca 5 mi NE of Oroville, on top of Table Mt., 20 yds off E side of Old Cherokee Rd Comment
  SEINET10547782  Gratiola ebracteata Mary Susan Taylor 1980-4-21 Taylor 2562 Butte T20N R4E center of se sec 8. Table Mountain, ca. 8 mi N of Oroville; thin soils over basalt bedrock. With J.D. Jokerst. 610 Comment
  RSA726557  Kickxia elatine L. Ahart 2007-10-31 14519 Butte Foreman Creek Area, about 1 mile south of Highway 162 (Oroville Quincy Road), about 7 miles (air) northeast of Oroville. 225 Comment
  HSC97347  Kickxia elatine J. P. Smith, J. O. Sawyer 2007-9-2 12420 Butte Parking lot at observation platform at the Llano Seco Unit of the Upper Butte Basin Wildlife Area along Seven Mile Rd. Comment
  UCD128337  Limnophila X ludoviciana J. Eckert 2011-11-1 s.n. Butte Along W. Hamilton Rd, ca. 1.5 mi W of Hwy 99. Incoming water ditch at experiment station. Comment
  JEPS108132  Linaria genistifolia subsp. dalmatica Lowell Ahart 2005-11-12 12484 Butte Flat area on the south side of Dark Canyon Creek, about 50 yards south of the train tunnels, west of Dark Canyon Road, about 2 1/2 miles (air) south of Highway 70 at Big Bend Road 293 Comment
  CHSC66679  Lindernia dubia var. anagallidea Vernon H. Oswald; Lowell Ahart 1996-7-22 8083 Butte U.S. Fish and Wildlife service parcel between 7 Mile Lane and the Sacramento River. Sacramento River National Wildlife Refuge. Llano Seco Unit. 30 Comment
  CHSC97400  Lindernia dubia var. anagallidea Robert Fischer 2006-6-18 1006 Butte Chico. Within upper Bidwell Park in the City of Chico. 60 Comment
  UCD19366  Lindernia dubia E. Dean; with J. Ditomaso and E. Healy 2001-8-20 857 Butte Biggs UC Field Station. North of town of Biggs, W of jct of Hwys 99 and 162. Just S of main research buildings at field station, W of RR tracks and ca. 2 east-west running dirt roads S of buildings. Along east-west running dirt road. 30 Comment
  CDA41688  Lindernia dubia var. anagallidea T. C. Fuller 1976-8-1 20164 Butte Rice Exp. Station, ca. 3 miles north of Biggs. 0 Comment
  SBBG121597  Lindernia dubia var. anagallidea L. Ahart 2007-7-8 14271 Butte North Honcut Crk, Peter Ahart Ranch, ca. 0.75 mi N and 2.5 mi E of Honcut, ca. 12 mi (air) SE of Oroville Comment
  CHSC30080  Penstemon newberryi M. S. Taylor; J. D. Jokerst, L. Ahart 1980-8-2 3217 Butte Humboldt Peak on the top and w side along the trail. 2154 Comment
  CHSC43130  Penstemon personatus R. Banchero; R. Schlising 1981-7-19 609 Butte 1 mi e of Bald Mt lookout tower on Bald Mt. 1780 Comment
  CHSC44700  Penstemon newberryi R. Banchero 1980-7-2 278 Butte Upper Butte Creek, Ca 2.5 mi directly W of Inskip. 896 Comment
  CHSC44703  Penstemon laetus var. leptosepalus R. Banchero 1980-6-2 177 Butte Along Hwy 32, ca 3.1 mi SW of the town of Forest Ranch, 5.7 mi SW of the jct of Hwy 32 and Forest Ranch Rd. 609 Comment
  JEPS50783  Penstemon azureus Rimo Bacigalupi with Paul Hutchison and L. R. Heckard 1967-6-16 9279 Butte along Feather River Highway (now Calif. 70) about 3 1/4 mi n Jarbo Gap; along Feather River Highway, n of Jarbo Gap 609 Comment
  NY571185  Penstemon azureus var. azureus Mrs. C. C. Bruce 05 1898 2412 Butte Forest Ranch Comment
  NY604523  Penstemon laetus var. leptosepalus D. D. Keck 1930-7-24 972 Butte Near Chaparral 1645.9 Comment
  POM14699  Penstemon heterophyllus subsp. purdyi A. A. Heller, H. E. Brown 1902-5-7 5482 Butte Berry Canyon (Near Clear Creek). From the type region. Comment
  POM193324  Penstemon gracilentus E. B. Copeland 1930-7-6 457 Butte Above Jonesville 1950 Comment
  POM219483  Penstemon deustus subsp. deustus E. B. Copeland 1931-6-11 690 Butte Jonesville. 1600 Comment
  RSA712754  Penstemon newberryi var. newberryi L. P. Janeway 2005-5-29 8412 Butte Northern High Sierra Nevada. 0.2 km NW of Concow Road at the gap between the head of Rock Creek and the Little Kimshew Creek drainage. 1478 Comment
  UC177597 Image available Penstemon corymbosus var. puberulentus H. M. Hall 1914-7-19 6763 Butte near Chico; Richardson Springs; Richardson Springs, near Chico, Butte Co. 152 Comment
  SEINET10548028  Penstemon laetus subsp. leptosepalus Mary Susan Taylor 1981-5-7 Taylor 3629 Butte T20N R6E ne sec 33, Forbestown quad. N side of Ponderosa Way, N of the Sucker Creek bridge, ca. 4 air mi SW of Feather Falls community. Yellow Pine Forest; 1200 ft. 366 Comment
  CHSC118550  Plantago elongata Lowell Ahart 2017-2-27 21384 Butte Along a poor road, Peter Ahart Ranch, about 2 miles north and 1 1/4 miles east of Honcut, about 12 miles southeast of Oroville. 33 Comment
  CHSC76003  Plantago major Lowell Ahart; Vernon H. Oswald 1999-8-13 8173 Butte Along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 32 Comment
  JEPS115594  Plantago erecta Lowell Ahart 2009-4-22 15584 Butte West side of Guardians Trail, about 100 yards north of Pine Trail, Upper Bidwell Park, west of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico 381 Comment
  JEPS98554  Plantago virginica Lowell Ahart 2000-5-17 8366 Butte 7 1/4 air mi W of Oroville (SE margin Thermalito Afterbay, W of poor dirt road, S of the Cottonwood tree, about 1/8 mi N of the Richvale Hwy, about 3/4 mi E of Hwy 99) 42 Comment
  RSA638254  Plantago Michael A. Vincent, E. Freid 1998-4-6 8120 Butte Table Mountain Comment
  RSA325092  Plantago erecta M. S. Taylor 1981-4-21 3549 Butte S side of Concow Rd, ca 0.5 mi S of its jct with Ponderosa Way (Rim Rd), ca 2 mi N of Lake Concow, ca 20 air mi NE of Oroville. 854 Comment
  RSA594179  Plantago lanceolata S. O. Mattoon 1978-9-21 49 Butte Southern Cascade Mtns: Ponderosa Way Forest Road at Middle Fork, Butte Creek, 5 air miles NW of Maglia. 671 Comment
  SBBG128463  Plantago erecta L. Ahart 2012-4-9 17851 Butte N side of S Rim Trail, W of the power lines, Upper Bidwell Park, ca. 1 mi NE of Chico 143 Comment
  SEINET10499810  Plantago lanceolata Mary Susan Taylor, Lowell Ahart 1981-8-15 Taylor 4180 Butte T25N R4E se 1/4 se 1/4 sec 29. Paradise NE quad. Weed lot on N side of the Sky- way in Inskip. Yellow Pine Forest. 4800 ft. 1463 Comment
  SEINET10499852  Plantago erecta Mary Susan Taylor 1980-3-1 Taylor 2353 Butte T21N R3E nw 1/4 sec 5. Near Elliot Spring House, S side of Neal Road, ca. 2 mi SW of Paradise. 302 Comment
  SEINET10968933  Plantago coronopus Mary Susan Taylor 1982-4-28 Taylor 4346 Butte T17N R1E se/s sec 13. Pennington quad. Graylodge Waterfowl Refuge, n side of Rutherford Rd, 1/8 mi w of Pennington Rd, ca. 12 mi sw of Gridley. 70 ft. 21 Comment
  SEINET12318336  Plantago hookeriana Unknown 1978-1 18 Butte S side Hwy 32, ca 7.5 mi E jct Hwy 99 & 32 at Chico 515 Comment
  CHSC112348  Veronica arvensis L. P. Janeway 2014-4-9 11222 Butte Northern High Sierra Nevada. Plumas National Forest; along Road 22N12Xwhere it crosses Peavine Creek just below the confluence of Coon Creek; French Creek Basin. 762 Comment
  CHSC116213  Veronica arvensis Lowell Ahart 2015-6-16 20234 Butte On the west side of the paved road, about 4 miles (by road) northwest of Fall River Bridge, about 5 1/2 miles (air) northwest of Camp 18, about 9 miles (air) northeast of Feather Falls. 1406 Comment
  CHSC28623  Veronica anagallis-aquatica M. S. Taylor 1979-10-2 2214 Butte In sand bar in Sacramento River at Chico Landing, ca. 5 mi w of Chico. 30 Comment
  CHSC32371  Veronica peregrina subsp. xalapensis J. D. Jokerst 1979-5-2 1227 Butte North Table Mountain, ca. 200 m S of Cherokee Rd in the E portion section 17. 396 Comment
  JEPS95480  Veronica arvensis Lowell Ahart 1994-3-30 7275 Butte 7 mi N of Oroville (garden area at NE corner of Oregon City School House, Oregon City) 365 Comment
  UC426959  Veronica serpyllifolia subsp. humifusa E. B. Copeland 1930-7-29 465 Butte Jonesville 1550 Comment
  CHSC5933  Platanus racemosa M. MacArthur 1968-6-17 194 Butte SE side of Big Chico Creek, N of Dining Hall, ca. 10 ft. from creek, Chico State College campus. 60 Comment
  RSA0106540  Platanus racemosa C. C. Bruce 1897-05 1824 Butte Little Chico. Comment
  CHSC101796  Achnatherum lemmonii Lowell Ahart 2009-5-15 15686 Butte On the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. 203 Comment
  SEINET10935076  Aegilops triuncialis Mary Susan Taylor 1980-5-24 Taylor 2740 Butte Peter Ahart Ranch, Honcut. 50 Comment
  SEINET10506826  Agropyron Mary Susan Taylor 1982-6-24 Taylor 4733 Butte T23N R5E nw/se sec 30. Pulga SW quad. Around large landing site on saddle of ridge se of Flea Mt, n of Pulga, ca. 5 air mi e of Magalia. 3600 ft. 1097 Comment
  SEINET10810327  Agropyron intermedium Lowell Ahart 1988-7-24 Ahart 6133 Butte Topar Wheatgrass. On dry red disturbed bare soil, along the south side of Ponderosa Wy, about 1/2 mile north-west of the intersection of Lower Forbestown Road, west of Sunset Hill, near Forbestown, Butte County. Uncommon. Yellow Pine Forest. 732 Comment
  CAS-BOT-BC127332  Agrostis exarata A. A. Heller 1917-7-26 12825 Butte Butte Meadows. 1402 Comment
  CAS-BOT-BC138772  Agrostis scabra A. A. Heller 1914-8-6 11647 Butte Chico Meadows. 1219 Comment
  CAS-BOT-BC162042  Agrostis Lowell Ahart 1987-6-9 5727 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CDA1683  Agrostis avenacea T. C. Fuller 1976-7-8 20149 Butte Biggs Rice Exp. Station, 5 km. north of Biggs. 0 Comment
  CHSC41923  Agrostis thurberiana Lowell Ahart 1983-8-16 4290 Butte Near a small stream that flows into Butte Creek, about 1 mile east of Butte Meadows. 1450 Comment
  CHSC43175  Agrostis variabilis Robert Banchero 1981-7-18 600 Butte Butte Creek House, ca 3 air miles ne of Jonesville. 1755 Comment
  CHSC44913  Agrostis exarata Lowell Ahart 1988-7-24 6127 Butte At the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 731 Comment
  CHSC64252  Agrostis stolonifera S. C. Morey 1983-7-23 581 Butte Cherry Hill Meadow. On n side of Humboldt Rd., ca. 3.2 mi e of Butte Meadows. 1414 Comment
  CHSC90993  Agrostis elliottiana Lowell Ahart 2005-5-11 11800 Butte On the bottom of a small vernal pool, south part of North Table Mountain, about 300 yards northwest of the poor dirt road off of Cherokee Road, about 200 yards south of the rim into Beatson Hollow, about 7 miles (air) north of Oroville. 354 Comment
  JEPS104036  Agrostis exarata Lowell Ahart 2003-6-30 10333 Butte In the gutter on the n side of Fields Ridge Rd, n of the Ponderosa Reservoir, ca 3 mi (air) n of Forbestown. 491 Comment
  JEPS124331  Agrostis avenacea Lowell Ahart 2015-10-20 20564 Butte About half way of and east of One Mile Pond, about 6 miles (air) east of Biggs. Comment
  JEPS95966  Agrostis avenacea Lowell Ahart 1999-6-12 8088 Butte large reservoir north of Beatson Hollow; North Table Mountain; about 2 1/2 miles (air) west of the entrance gates along the west side of Cherokee Road; about 7 miles (air) north of Oroville 295 Comment
  UC1562417  Agrostis exarata Lowell Ahart 1990-5-21 6475 Butte 1/4 mi s, 4/10 mi w of Pacific Heights Road, 4 1/2 mi sw of Oroville Feather River 30 Comment
  UCD53349  Agrostis scabra A. A. Heller 1914-7-23 11613 Butte Chico Meadows. 1219 Comment
  SEINET10506789  Agrostis Mary Susan Taylor 1978-7-21 Taylor 1810 Butte On S side of Oroville-Quincy Hwy, along creek and in meadow, ca. 14 mi N of Lake Madrone, ca. 24 mi NE of Oroville; Yellow Pine Forest. 1463 Comment
  SEINET10790024  Agrostis exarata Lowell Ahart 1990-5-21 Ahart 6475 Butte About 1/4 mile south of the Feather River, about 4/10 mile west of Pacific Heights Road, about 4 1/2 miles south-west of Oroville. Spike Bentgrass. 30 Comment
  SEINET10868801  Agrostis hyemalis A. Arthur Heller 1914-7-23 Heller 11613 Butte Found springly in rather dry soil in Chico Meadows. Discovered originally in the eastern United States this species is now found almost throughout the whole country. 1219 Comment
  CAS-BOT-BC138348  Aira caryophyllea var. caryophyllea Peter H. Raven 1953-5-9 5434 Butte 7.2 miles from Bangor on Oroville Road. Comment
  CHSC118445  Aira caryophyllea L. P. Janeway 2016-5-9 11952 Butte Northern High Sierra Nevada. Plumas National Forest; upper north-facing slope above the South Fork Feather River arm of Lake Oroville, 0.4 km northwest of the junction of Pondosa Way and Road 19N19. 701 Comment
  CHSC41140  Aira caryophyllea R. L. Ondricek-Fallscheer 1982-3-22 132 Butte Along Hwy 149, ca. 1 mi e of jct. of Hwy 99 and Hwy149; ca. 11 mi se of Chico (Hwy 32). 60 Comment
  HSC41092  Aira caryophyllea J. P. Smith, J. O. Sawyer 1973-4-14 6046 Butte Bruce Ln. between Humboldt Rd. and Skyway Rd., E of Chico Comment
  SEINET7067154  Aira caryophyllea A. G. Vestal 1947-4-30 s.n. Butte Along the road to Cherokee. Coordinate datum: NAD27. UTM Zone 10, 626283mE, 4388764mN. Comment
  CHSC36402  Alopecurus saccatus Kirsten Tarp 1982-4-26 154 Butte Top of Table Mt., ca. 4 mi s of Cherokee. 417 Comment
  JEPS122206  Alopecurus carolinianus Lowell Ahart 2014-4-25 19403 Butte On the west side of Richvale South Highway, south of the intersection of Richvale West Road and Richvale South Highway, Richvale. Comment
  JEPS127214  Alopecurus saccatus Lowell Ahart 2016-5-17 20837 Butte About 1/2 mile east of La Porte Road, about 2 1/2 miles (air) east of Honcut. Comment
  UCD55880  Alopecurus carolinianus L. Ahart 1982-5-10 3430 Butte Peter Ahart Ranch, ca. 2 mi northeast of Honcut. 50 Comment
  UCD55955  Alopecurus saccatus A. A. Heller 1914-4-24 11319 Butte 10 miles from Chico on the Chico-Oroville road. Comment
  SEINET9367935  Alopecurus carolinianus Unknown 1986-4-2 Butte Butte Comment
  CAS-BOT-BC137557  Aristida oligantha John Thomas Howell 1961-9-22 36762 Butte Sierra Nevada. North Fork of Feather River, 10 miles from Oroville. Comment
  JEPS98535  Aristida dichotoma Lowell Ahart 2000-8-5 8624 Butte Above seeps on bare granite, on the north side of Bean Creek Road, about 1/4 mile southeast of Little Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville. 1066 Comment
  CAS-BOT-BC146272  Arrhenatherum elatius var. elatius Lowell Ahart 1981-8-15 3050 Butte Sierra Nevada. Bottom of a small wash near the dirt road, ca. 200 m west of the store at the east end of Philbrook Res. 1500 Comment
  CAS-BOT-BC145884  Avena fatua John Thomas Howell 1962-6-15 37530 Butte Sierra Nevada. Magalia. 731 Comment
  CHSC38789  Avena fatua Vernon Oswald 1983-3-14 186 Butte Upper Bidwell Park, Chico, on the north slope near rim rock on the level of the e end of Horseshoe L. 152 Comment
  CHSC40643  Avena barbata Ahart; Jokerst 1985-3-24 4865 Butte Serpentine Point, west of Yankee Hill. 550 Comment
  UCR237332  Avena fatua George K. Helmkamp, E. A. Helmkamp 2012-4-14 18742 Butte Northern Sacramento Valley, Robinsons Corner, Simpson Rd, just east of junction of East Gridley Road and CA-70 23 Comment
  CAS-BOT-BC145682  Brachypodium distachyon John Thomas Howell 1962-6-16 37622 Butte Sierra Nevada. Nelson Bar. 213 Comment
  CHSC110136  Brachypodium distachyon L. P. Janeway 2012-4-29 10808 Butte Cascade Range Foothills. Upper Bidwell Park, Chico; along South Rim Trail, mid-slope overlooking Big Chico Creek from the south; 0.4 km west of the powerlines. 136 Comment
  JEPS127606  Brachypodium distachyon L. P. Janeway 2015-4-13 11664 Butte Plumas National Forest; in the canyon of North Fork Feather River, along Pulga Road 1.1 road km Ne of Flea Valley Creek and Pulga. Comment
  CAS-BOT-BC145530  Briza minor A. A. Heller 1913-5-25 10762 Butte Near Pents. 152 Comment
  RSA181720  Briza minor H. F. Copeland 1923-4-12 90 Butte near Biggs Comment
  CAS-BOT-BC148837  Bromus carinatus var. marginatus Lowell Ahart 1984-6-10 4706 Butte Along the edge of the dirt road, about 2 miles southwest of the Forbestown Diversion Dam, northeast of Forbestown. 700 Comment
  CAS-BOT-BC149548  Bromus carinatus var. carinatus John Thomas Howell 1967-6-22 42629 Butte Sierra Nevada. Magalia. 701 Comment
  CAS-BOT-BC161611  Bromus sterilis Ahart; Jokerst 1985-5-10 4956 Butte 10 meters north of the east branch of Potter Ravine, about 2.25 miles north of Oroville Dam. 350 Comment
  CDA5620  Bromus diandrus L. Ahart 2005-4-14 11707 Butte At the base of the railroad roadbed, east side of the railroad tracks, south of the railroad bridge, north of Spruce Street, Gridley. Comment
  CHSC116499  Bromus japonicus Lowell Ahart; Susan Kephart, Jim Kephart 2015-6-4 20198 Butte Day Meadow, about 100 yards south of the poor dirt road, about 3/4 mile southeast of the intersection of Weiss Road and Forbestown Road, about 2 miles (air) southwest of Forbestown. 829 Comment
  CHSC3921  Bromus diandrus H. E. Lindahl 1967-3-20 19 Butte 1/2 mi. s of intersection of Neal Rd. and Chico-Oroville highway. 60 Comment
  CHSC41139  Bromus madritensis subsp. rubens R. L. Ondricek-Fallscheer 1982-3-22 130 Butte Along Hwy 149, ca. 1 mi. e of jct. of Hwy 99 and Hwy 149; ca. 11 mi. se of Chico (Hwy 32). 60 Comment
  CHSC42849  Bromus diandrus Lowell Ahart 1987-5-6 5549 Butte Along the road, at the Poe Power House along the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap. 283 Comment
  CHSC44173  Bromus suksdorfii V. Oswald; L. Ahart 1988-7-26 3626 Butte Snow Mt. region located ca. 6 air mi se of Jonesville. 2042 Comment
  CHSC90832  Bromus catharticus Lowell Ahart 2005-5-2 11767 Butte Overflow area on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 25 Comment
  CHSC93449  Bromus madritensis subsp. madritensis Lowell Ahart 2006-5-10 12622 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga. 354 Comment
  HSC93423  Bromus sterilis L. Ahart 1995-5-30 7576 Butte About 1/8 mi. N of Cherokee Rd., N Table Mountain, about 7 mi. N of Oroville 335 Comment
  RSA703217  Bromus catharticus L. Ahart 2004-8-20 11399 Butte On the north side of O'Brien Road, about 100 yards east of Gilstrap Avenue, about 1 1/2 miles (air) southeast of Grudley. In walnut orchard. 28 Comment
  UCD58894  Bromus laevipes P. B. Kennedy 1914-5-1 4753 Butte Grade to Paradise. Comment
  UCD80526  Bromus laevipes CNPS SN Foothill Team 2005-5-4 Survey Butte Bidwell Park. Comment
  UCR237316  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2012-4-14 18734 Butte Northern Sacramento Valley, Middle Honcut Road, 1.5 miles east of CA-70, ESE of Gridley 18 Comment
  SEINET10524080  Bromus vulgaris Edwin B. Copel 1929-7-22 Copeland 336 Butte Jonesville. In brush and low woods. 1500 Comment
  SEINET4391132  Bromus diandrus G. K. Harris, D. Heinze 1963-4-16 389 Butte Chico 61 Comment
  SEINET6778858  Bromus diandrus H. C. Jansen 1984-1-5 Butte Chico Comment
  RSA0047111  Cinna latifolia L. Ahart 2006-8-15 13191 Butte On the east side of Willow Creek, about 100 yards southeast of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows. 1570 Comment
  CAS-BOT-BC190089  Crypsis schoenoides Lowell Ahart 1980-8-16 2584 Butte Near Honcut. 60 Comment
  CAS-BOT-BC190168  Crypsis vaginiflora Lowell Ahart 1986-11-14 5467 Butte About 0.1 mile south of the clay burrow for Oakville Dam, 0.25 mile east of Larkin Road, about 6 miles southwest of Oroville. 36 Comment
  CAS-BOT-BC190171  Crypsis vaginiflora A. A. Heller 1914-7-31 11632 Butte Sacramento Valley about 6 miles northwest of Chico. Chico-Hamilton Road. Comment
  CHSC51286  Crypsis schoenoides Lowell Ahart 1990-9-30 6603 Butte Along the edges of Canyon Creek, below the high water line of Lake Oroville, below the Canyon Creek Bridge across Lake Oroville. 228 Comment
  POM313218  Crypsis schoenoides H. L. Mason 1945-9-19 12729 Butte Gray Lodge Game Refuge, northwest of Pennington Comment
  UC1563280  Crypsis schoenoides unknown 1990-9-30 6603 Butte edges of creek below Canyon Creek Bridge across Lake Oroville (below high-water line of Lake); Lake Oroville, Canyon Creek 228 Comment
  SEINET10518387  Crypsis vaginiflora Lowell Ahart 1982-1 Ahart 3673 Butte On dry bare soil bottom of dry duck pond, ca. 1/4 mi se of HQ, Graylodge Wildlife Refuge, ca. 13 mi sw of Gridley. Very common. 35 Comment
  SEINET10518389  Crypsis vaginiflora Lowell Ahart 1986-11-14 Ahart 5467 Butte On dry red gravelly soil, on the bottom of a pond, about 1/10 mile south of the clay burrow for Oroville Dam, 1/4 mile east of Larkin Road, about 6 miles south-west of Oroville. 37 Comment
  CAS-BOT-BC190389  Cynosurus echinatus John Thomas Howell; Gordon H. True 1968-6-12 44563 Butte Sierra Nevada. Just west of Pulga Bridge, Feather River Canyon. 426 Comment
  CAS-BOT-BC190395  Cynosurus echinatus Lowell Ahart 1983-6-12 4035 Butte Seven miles southwest of Feather Falls, ca. 1 mile south of Crystal Hill, near Oregon Gultch, near Lake Oroville. 425 Comment
  CHSC38804  Cynosurus echinatus Vernon Oswald 1983-5-4 429 Butte Upper Bidwell Park, Chico, beside the trail on the n side of Chico Creek 400 ft w of the power lines. 91 Comment
  CHSC4306  Cynosurus echinatus R. L. Smith 1966-5-25 9 Butte Paradise 5 mi sw of post office. Comment
  CHSC82508  Cynosurus echinatus Lowell Ahart; John Dittes, Josephine Guardino 2002-6-21 9737 Butte On the sides of a poor dirt road, Watson Ridge, about 2 miles (air) northeast of Bald Rock Dome, about 5 miles (air) north of Feather Falls (the town). Comment
  CAS-BOT-BC190483  Dactylis glomerata John Thomas Howell 1962-6-16 37579 Butte Sierra Nevada. Pentz road 2 miles south of Magalia. 609 Comment
  CHSC110239  Danthonia californica L. P. Janeway 2012-6-2 10832 Butte Northern High Sierra Nevada. Plumas National Forest; eastern slope of Bloomer Hill, 1.0 air km east of the top. 701 Comment
  CHSC33854  Danthonia unispicata J. D. Jokerst; R. A. Schlising 1980-6-16 855 Butte Ca 50 met N of Humboldt Rd at a point 1.9 mi N of the jct with Hwy 32. Carpenter Ridge. Comment
  CHSC51951  Danthonia unispicata T. B. Devine 1980-4-28 725 Butte On Cherokee Rd ca 3.4 mi S of its jct with Hwy 70. Roadside. Comment
  CHSC68914  Danthonia californica var. americana Lowell Ahart 1997-7-11 7755 Butte Along a stream, north of the dirt road, southeast of Cold Creek, about 2 miles (air) southwest of Bald Mountain, about 9 miles by road from Stirling City, or about 2 miles (air) northeast of Stirling City. 1219 Comment
  CHSC99483  Danthonia unispicata Lowell Ahart; John Dittes 2008-6-19 14869 Butte Open hillside, about 100 yards east of Willow Creek, about 120 yards northeast of Highway 139, near Forest Road 36N02, about 19.6 miles east-southeast of Bieber. 1578 Comment
Read comments
Oct 5 2019
  CAS-BOT-BC192652  Deschampsia danthonioides V. Oswald; L. Ahart 1988-7-13 3577 Butte Road to High Lakes e of Philbrook Reservoir 1859 Comment
  CAS-BOT-BC201739  Deschampsia elongata Lowell Ahart 1984-6-10 4700 Butte About 2 miles south-west of the Forbestown Diversion Dam, north-east of Forbestown 700 Comment
  CHSC43133  Deschampsia cespitosa Robert Banchero 1981-7-18 596 Butte Butte Creek House, ca 3 air mi ne of Jonesville. Meadow. 1755 Comment
  LA206367  Deschampsia cespitosa H. S. Yates; 1931-7-15 605 Butte Jonesville 1750.0 Comment
  RSA4656  Deschampsia elongata E. B. Copeland 1929-7-16 335 Butte Jonesville 1500 Comment
  UCD62955  Deschampsia danthonioides L. Ahart 1977-4-29 1339 Butte Peter Ahart Ranch, Honcut. 50 Comment
  SEINET10968134  Deschampsia danthonioides Mary Susan Taylor 1978-5-7 Taylor 1618 Butte In and around Richvale vernal pool area, ca. 20 mi S of Chico, on W side of Hwy 99; Valley Grassland. 30 Comment
  RSA88110  Dichanthelium acuminatum var. fasciculatum J. T. Howell 1951-8-19 28157 Butte 2 miles west of Pulga 366 Comment
  SEINET10934920  Dichanthelium lanuginosum Mary Susan Taylor 1979-6-12 Taylor 2295 Butte Magalia serpentine area down to Feather River. With J.D. Jokerst & L. Ahart. 671 Comment
  CHSC27252  Digitaria sanguinalis P. Moyer 1971-11-7 67 Butte CSUC Campus. N bank Chico Ck., behind cafe annex. Comment
  CHSC31632  Digitaria sanguinalis L. Ahart 1977-7-19 1481 Butte Along the edges of North Honcut Creek. Peter Ahart Ranch, Honcut. 50 Comment
  CHSC43280  Digitaria ischaemum Lowell Ahart 1987-8-30 5870 Butte Road gutter, along Highway 70, about 1/8 mile west of Big Bend Road, about 1 1/2 miles south-west of Jarbo Gap. 655 Comment
  JEPS95929  Digitaria sanguinalis Lowell Ahart 1999-8-13 8154 Butte northwest of Parrott Landing; about 1 mile southeast of Ord Ferry; about 2 miles southeast of Ordbend; about 12 miles (air) southwest of Chico 32 Comment
  CAS-BOT-BC197098  Echinochloa crus-galli John Thomas Howell 1951-6-26 27519 Butte Big Bend Mt. 609 Comment
  CHSC31697  Echinochloa crus-galli L. Ahart 1974-11-9 673 Butte In rice field. Peter Ahart Ranch, Honcut. 45 Comment
  CHSC97687  Echinochloa crus-galli Lowell Ahart 2007-11-3 14558 Butte Along a very small stream, below the high water line of Lake Oroville, about 3/4 mile east of the Power House below Kunckle Reservoir, about 1 1/4 miles north of the Lime Saddle Campground, about 5 miles (air) southeast of Paradise. 259 Comment
  JEPS110295  Echinochloa crus-galli Lowell Ahart 2006-9-11 13304 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  UCD34844  Echinochloa oryzicola var. mutica Beecher Crampton 1963-9-9 6887 Butte Butte County, 5 miles N.W. of Biggs, Biggs Rice Experiment Station. Comment
  UCD41383  Echinochloa oryzicola E. Dean; with J. Ditomaso and E. Healy 2001-8-20 854 Butte Biggs UC Field Station. North of town of Biggs, W of jct of Hwys 99 and 162. North side of Hamilton Road, ca. 1/8 mile E of jct with Riceton Hwy. Along second north-south running dirt road leading N into rice fields, at intersection with first east-west running dirt road, corner of rice field. 30 Comment
  SEINET10509318  Echinochloa crus-galli Lowell Ahart 1985-11-7 Ahart 5240 Butte Lake Oroville, on the north side of the South Fork of the Feather River, about 200 yards north-west of the Ponderosa Dam. Comment
  SEINET10509320  Echinochloa crus-galli Lowell Ahart 1984-9-17 Ahart 4792 C Butte Peter Ahart Ranch, ca. 2.3 mi N and 0.3 mi E of Honcut, ca. 12 mi S of Oroville. Valley Grassland; 50 m elev. 50 Comment
  SEINET10934803  Echinochloa crus-galli Mary Susan Taylor 1978-9-8 Taylor 1886 Butte Along flood control slough, ca. 4 mi N of Chico, along Hwy 99. 61 Comment
  SEINET10934938  Echinochloa crus-galli Lowell Ahart 1990-9-30 Ahart 6604 Butte Along the edges of Canyon Creek, below the high water line of Lake Oroville, below the Canyon Creek Bridge across Lake Oroville. Foothill Woodland (destroyed). T20N R5E SE/S17. 229 Comment
  CHSC69737  Eleusine indica Lowell Ahart 1997-10-25 7946 Butte Lawn, at the Butte County Historical Society museum, Oroville. 60 Comment
  CAS-BOT-BC204203  Elymus stebbinsii subsp. septentrionalis Lowell Ahart 1981-7-7 2928 Butte Ca. 0.5 mi. W of the Forbestown Res Ne of Forbestown 750 Comment
  CHSC49492  Elymus stebbinsii subsp. septentrionalis Vernon Oswald 1983-7-6 814 Butte Humboldt Rd. between Lomo and Butte Meadows, 0.6 mi e of Hwy 32. 1249 Comment
  JEPS120108  Elymus glaucus subsp. glaucus Lowell Ahart 2012-6-28 18239 -A Butte On the north side of Big Chico Creek, east of Sycamore Pool, Lower Bidwell Park, Chico. Comment
  JEPS94308  Elymus glaucus subsp. glaucus Lowell Ahart 1997-8-1 7783 Butte about 8 air mi ne of Stirling City (near some small streamlets of Little Kimshew Creek, in Snow Meadow, about 1/4 mi e of Table Mountain); Snow Meadow 1524 Comment
  POM183178  Elymus glaucus H. F. Copeland 1930-7-21 1341 Butte Jonesville. 1524 Comment
  SBBG707  Elymus multisetus A. A. Beetle 1941-6-27 2740 Butte 20 mi NW of Chico Comment
  UC204881  Elymus glaucus A. A. Heller 1914-7-23 11614 Butte Chico Meadows 1219 Comment
  SEINET10507698  Elymus glaucus Mary Susan Taylor 1980-5-27 Taylor 2722 Butte N side of Oroville-Quincy Hwy, ca. 2 mi S of Lake Madrone. 610 Comment
  SEINET10564686  Elymus elymoides A. Arthur Heller 1917-7-29 Heller 12867 Butte Summit above Jonesville in granite, in open forest of Abies magnifica. Undershrubs are Uva ursi, Cerasus, Ceanothus cordulatus and velutinus. 2134 Comment
  CHSC43201  Elytrigia intermedia subsp. intermedia Robert Banchero 1981-7-28 633 Butte Jones Meadow, ca 5 air mi e of Inskip. 1842 Comment
  CAS-BOT-BC278511  Eragrostis pilosa var. pilosa Lowell Ahart 1977-8-14 1492 Butte Peter Ahart Ranch, Honcut 50 Comment
  CAS-BOT-BC284081  Eragrostis pectinacea var. pectinacea Lowell Ahart 1984-9-24 1492 Butte The edge of Middle Honcut Road, about 3/4 mile east of Highway 70, about 12 miles south of Oroville 35 Comment
  CDA42964  Eragrostis pectinacea var. pectinacea L. Ahart 2013-10-12 19105 Butte On the east side of Palermo Honcut Highway, about 20 yards south of Palermo Road, Palermo. Comment
  CHSC45212  Eragrostis cilianensis Lowell Ahart 1984-10-5 4813 Butte In pasture fields, Peter Ahart Ranch, about 1 1/2 miles north and 1 3/4 miles east of Honcut, about 12 miles south of Oroville. 45 Comment
  JEPS115033  Eragrostis hypnoides Lowell Ahart 2007-10-31 14522 Butte West of the official parking area, strand of Lake Oroville, Foreman Creek Area, about 1 mile south of Highway 162 (Oroville Quincy Road), about 7 miles (air) northeast of Oroville 224 Comment
  SEINET13711413  Eragrostis pectinacea Lowell William Ahart, Lowell William Ahart 1999-1 8152 Butte 12 Air Mi SW of Chico, 2 Mi SE of Ordbend, Sacramento River Comment
  UCD65667  Eragrostis pilosa var. pilosa Beecher Crampton 1963-9-9 6884 Butte Honcut. Comment
  HSC97192  Eriochloa acuminata var. acuminata L. Ahart 2004-8-30 11397 Butte South side of O'Brien Rd., about 1 1/2 miles (air) southeast of Gridley. 28 Comment
  CDA42857  Festuca myuros L. Ahart 2012-5-2 17977 Butte On the south side of the paved road, about 100 yards southeast of the entrance of Upper Bidwell Park, about 1/4 mile east of Chico. Comment
  CHSC112786  Festuca myuros Lowell Ahart 2013-5-18 18701 Butte About 100 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 763 Comment
  CHSC89028  Festuca idahoensis A. Peterson 2003-5-6 77 Butte Southeast of Chico, Hwy 70 road shoulder, about 2 1/2 miles sw of bridge over north fork of Feather River. 609 Comment
  JEPS108543  Festuca californica L. P. Janeway 2006-5-28 8641 Butte Northern High Sierra Nevada. Open serpentine bowl on west side of Concow Road about 3.2 mi northeast of the upper end of Concow Reservoir 860 Comment
  POM365944  Festuca californica var. californica L. Ahart, P. Ahart 1984-6-10 4701 Butte About 2 mi SW of Forbestown Diversion Dam, NE of Forbestown. 700 Comment
  UC1562328  Festuca elmeri Vernon Oswald and Lowell Ahart 1990-6-27 4325 Butte ca 0.5 mi (air) ne Junction House (site) (Jordan Creek-Marble Creek Rd (23N60) between Spoon Ravine and Marble Creek, e side of Oro-Quincy Hwy) 1109 Comment
  SEINET10560618  Festuca elmeri Elihu Hall 1863-1 Hall s.n. Butte Bolander. Comment
  SEINET10560623  Festuca elmeri A. Arthur Heller 1902-5-16 Heller 5562 Butte Marysville Buttes (rocky slope of East Butte) Comment
  CDA2169  Gastridium phleoides L. Ahart 2000-5-13 8340 Butte On the south side of the access road to the boat ramp at the Thermalito Afterbay, west of Larkin Road, about 1 1/4 miles south of the Oroville Airport, about 5 miles (air) southwest of Oroville. Comment
  JEPS127202  Gastridium phleoides Lowell Ahart 2016-6-4 20918 Butte About 100 yards north of McCabe Creek, about 3 miles (air) west of Forbestown. Comment
  SEINET10559590  Gastridium phleoides A. Arthur Heller 1914-6-2 Heller 11474 Butte Hills 8 miles north of Oroville. Comment
  SEINET11688371  Gastridium phleoides Unknown 1985-1 5050 Butte Fields Ridge, about 4 mi SE of Feather Falls 792 Comment
  CAS-BOT-BC280564  Glyceria elata Lowell Ahart 1981-9-15 3174 Butte Along French Creek 1300 Comment
  CHSC93475  Glyceria declinata Lowell Ahart 2006-5-3 12564 Butte Banks of a small stream, near basalt cliffs on the south side of the stream, about 100 yards south of the fence, about 1 mile northwest of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 378 Comment
  JEPS121950  Glyceria borealis Lowell Ahart 2014-7-7 19585 Butte In the bog, Coon Hollow, about 2 miles (air) north of Philbrook Reservoir. Comment
  JEPS94779  Glyceria declinata Lowell Ahart 1998-6-9 7987 Butte about 7 air mi n Oroville (sw of the lone oak tree, nw of the cow chute along Cherokee Road); North Table Mountain, Cherokee Road 403 Comment
  UC600757  Glyceria elata H. F. Copeland 1932-7-13 Butte Jonesville Comment
  JEPS116004  Holcus lanatus Lowell Ahart 2009-6-19 15937 Butte Along trail, on the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico 203 Comment
  CAS-BOT-BC281253  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart 1981-5-24 2836 Butte Peter Ahart Ranch, ca. 1.5 mi. N and 1/15 mi. E of Honcut 50 Comment
  CHSC31718  Hordeum marinum subsp. gussoneanum L. Ahart 1975-5-12 758 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC6727  Hordeum hystrix J. Wheeler 1968-4-22 587 Butte Upper Bidwell Park by golf course. Comment
  CHSC31382  Lamarckia aurea J. D. Jokerst 1979-4-20 1207 Butte Top of North Table Mt., ca. .75 mi NE of the junction of Cherokee Rd and the E edge of mountain. 396 Comment
  CHSC69464  Leptochloa dubia Lowell Ahart 1997-9-6 7894 Butte On the west side of Highway 70, just north of Rich Gulch Road, about 1 1/2 miles north of the bridge across the West Branch of Lake Oroville. 396 Comment
  JEPS110445  Leptochloa fusca subsp. uninervia Lowell Ahart 2005-12-11 12517 Butte On the sides of small ditches, on the Rice Experiment Station, between the Main Ditch and Stine Lateral, on the north side of Hamilton Road, about 1/4 mile east of Riceton Highway, about 2 1/4 miles (air) east of Biggs 30 Comment
  UCD63945  Leptochloa fusca subsp. fascicularis A. A. Heller 1919-8-13 13354 Butte Between Nelson and Richvale. Comment
  CAS-BOT-BC269077  Lolium perenne John Thomas Howell 1975-6-15 51056 Butte Chico 60 Comment
  CHSC4351  Lolium multiflorum M. Hillier 1966-5-30 Butte NW side of CSC gym in large field by ski jump, Chico. Comment
  CAS-BOT-BC269377  Melica californica Lowell Ahart 1983-6-26 4108 Butte Along Ponderosa Way, ca. 1/8 mi. E of the intersection of the Oroville Quincy Highway and Ponderosa Way, ca. 15 mi. NE of Oroville 500 Comment
  CDA13293  Melica subulata G. F. Hrusa, T. D. Wilfred 1996-7-9 13141 Butte Plumas National Forest; Occasional individuals on dry, shaded slopes in coniferous understory above Jordan Creek S of Hwy 162 near Roger's Cow Camp. Perennial. Comment
  CDA22913  Melica aristata L. Ahart 2006-6-9 12648 Butte On the west side of Bardees Bar Road, south of the small stream, about 1/4 of a mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. Comment
  CHSC46439  Melica torreyana Lowell Ahart 1989-5-10 6221 Butte Along a dirt road, near a stream, near Lake Oroville, about 1/10 mile north-west of the West Branch Bridge across Lake Oroville. 289 Comment
  CHSC69122  Melica aristata Lowell Ahart 1997-8-1 7804 Butte On the south side of County Road, southwest of Keyser Creek, about 1 1/2 miles southeast of Bald Mountain, about 6 miles (air) northeast of Stirling City. 1432 Comment
  CHSC99646  Melica torreyana H. Koeth 2007-5-2 Butte Big Chico Creek Ecological Reserve, Chico (Forest Ranch). 471 Comment
  POM204780  Melica torreyana A. A. Heller 1902-5-8 5511 Butte Berry Canyon (near Clear Creek) Comment
  UC398888  Melica subulata E. B. Copeland 1929-7-16 338 Butte Jonesville Comment
  UCD148649  Melica subulata G. F. Hrusa 1997-5-29 13804 Butte on north side of Sucker Run Creek, approximately 1.5 miles SSE of Feather Falls townsite. 750 Comment
  UCR115105  Melica harfordii G. Fred Hrusa, T. D. Wilfred 1996-7-9 13146 Butte Sierra Nevada Mtns., Plumas National Forest. Above Jordan Creek, south of Hwy 162 near Roger's Cow Camp 1250 Comment
  CAS-BOT-BC260535  Muhlenbergia filiformis H. F. Copeland 1929-6-9 1213 Butte Jonesville 1524 Comment
  CAS-BOT-BC263356  Muhlenbergia asperifolia Lowell Ahart 1987-5-27 5708 Butte On a sand bar along the North Fork of teh Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CHSC59050  Muhlenbergia minutissima Lowell Ahart 1992-7-21 6799 Butte On the sides of a lake, on the south side of Coon Hollow, about 2 (air) miles north-east of Philbrook Reservoir. 1737 Comment
  JEPS120099  Muhlenbergia mexicana Lowell Ahart 2012-6-21 18217 Butte On the south side of Big Chico Creek, about 20 yards west of the Freeway, Lower Bidwell Park, Chico. Comment
  UC1563262  Muhlenbergia mexicana unknown 1990-9-30 6610 Butte 1/8 mi ne Canyon Creek Bridge across Lake Oroville (creek bottom below high water line of lake); East Fork of Canyon Creek 243 Comment
  SEINET10508181  Muhlenbergia filiformis Lowell Ahart 1983-8-16 Ahart 4305 Butte T26N R4E section 32. Near Bull Hill Road, ca. 3 miles south of Butte Meadows. Yellow Pine Forest; 1450 m. 1450 Comment
  SEINET10605684  Muhlenbergia andina Lowell Ahart 1987-6-9 Ahart 5740 Butte On dry sand, around rocks, on the west side of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  SEINET10901847  Muhlenbergia rigens Mary Susan Taylor 1975-10-4 Taylor 963 Butte E side of Kunkle Reservoir, ca. 1/4 mi E of Pentz-Magalia Hwy, ca. 1 mi S of Paradise; open to sun. 610 Comment
  CAS-BOT-BC253831  Panicum dichotomiflorum Beecher Crampton 1957-9-17 4627 Butte Biggs Rice Experiment Station, 5 miles NW of Biggs Comment
  CHSC47624  Panicum capillare Lowell Ahart 1982-10-15 3890 Butte On bottom of North Honcut Creek, about 1 mile north and 2 1/2 miles east of Honcut. 42 Comment
  JEPS120644  Panicum capillare Lowell Ahart 2013-11-13 19242 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. Comment
  CHSC31621  Paspalum dilatatum L. Ahart 1977-9-20 1578 Butte Along the banks of North Honcut Creek. Peter Ahart Ranch, Honcut. 50 Comment
  CHSC43277  Paspalum urvillei Lowell Ahart 1987-10-16 5912 Butte Along Oroville Quincy Highway, along the edge of Madrone Lake. 609 Comment
  CHSC6082  Paspalum dilatatum J. Wheeler 1968-5-17 204 Butte S side of Chico Junior High School, near curb, Chico. 59 Comment
  RSA754385  Paspalum dilatatum L. Ahart 2009-7-3 15993 Butte E side of the road, 30 yards SE of the Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 100 yards E of Cedar Grove, Lower Bidwell Park, Chico. 67 Comment
  CHSC104839  Phalaris paradoxa Lowell Ahart 2010-6-9 16808 Butte At the old homestead, on the east side of Ten Mile House Road, about 5/8 mile (air) west of Highway 32, about 9 miles (air) northeast of Chico. 265 Comment
  CHSC46440  Phalaris paradoxa Lowell Ahart 1989-5-23 6255 Butte Along the edges of Avocado Road, about 1/2 mile west of the Oroville Bangor Highway, about 1 mile north-west of Bangor. 213 Comment
  CHSC91099  Phalaris paradoxa Lowell Ahart 2005-5-28 11828 Butte Pasture, on the north side of Falager Ct., south of the Durham Pentz Road, east of Highway 99 East, about 4 miles east of Durham. 70 Comment
  JEPS104010  Phalaris minor Lowell Ahart 2003-6-16 10286 Butte On the e side of Wickman Rd, ca 100 yd south of Richvale West Rd, ca 1 3/4 mi w of Richvale. 29 Comment
  JEPS122160  Phalaris arundinacea Lowell Ahart 2014-8-13 19699 Butte On the southeast side of Humbug Summit Road, about 100 yards southwest of the Way Point, about 200 yards southwest of Memorial Spring, about a mile southwest of the intersection of Humbug Summit Road and Philbrook Road, about 2 1/2 miles (air) northwest of Philbrook Reservoir. Comment
  JEPS87133  Phalaris lemmonii Lowell Ahart 1992-5-23 6775 Butte on the n side of Biggs Princeton Road about 2 mi w Biggs 30 Comment
  CHSC59053  Phleum pratense Lowell Ahart 1992-8-2 6904 Butte In Concow Meadow, about 3 (air) miles north-east of Concow Reservoir. 1097 Comment
  CAS-BOT-BC236366  Poa secunda subsp. secunda L. W. Swift 1934-5-7 101 Butte Unspecified 731 Comment
  CAS-BOT-BC236369  Poa secunda subsp. secunda Lowell Ahart 1982-6-4 3552 Butte Ca. 1.5 miles E of Camp 18, ca. 8 miles E of Feather Falls 1000 Comment
  CAS-BOT-BC255684  Poa bolanderi A. A. Heller 1917-7-29 12868 Butte Summit above Jonesville 2133 Comment
  CDA14065  Poa pratensis G. F. Hrusa, T. D. Wilfred 1997-5-1 13712 Butte Sierra Nevada; NE side of upper end of Paradise Lake. Where last tributaries from E enter. Old growth Douglas-fir/mixed hardwoods. Common to dominant in wet meadow drained to N by serpentine outcrop, but not on serp. Perennial, rhizomatous. Comment
  CDA34180  Poa bulbosa L. Ahart 2009-4-22 15598 Butte South side of Guardian s Trail, about 50 yards west of Pine Trail, Upper Bidwell Park, west of the intersection of Highway 32 and Ten Mile House Road. Approximately, 10 miles northeast of Chico. Comment
  CHSC100189  Poa secunda subsp. secunda John Dittes 1992-5-5 465 Butte Sierra Nevada Range Foothills; ca. 2.6 air miles southeast of Paradise Civic Center, ca. 1.8 air mile west of West Branch of Feather River, ca. 1.3 air mile northwest of Kunkle Reservoir; slope above tributary drainage of Dry Creek, south of terminus of Libby Road. 445 Comment
  CHSC30282  Poa secunda subsp. secunda M. S. Taylor; J. D. Jokerst, R. S. Schlising 1980-6-14 2877 Butte Little Bald Rock. On granite dome, ca. 4 mi e of Lake Madrone. 1016 Comment
  CHSC39949  Poa bulbosa Lowell Ahart 1984-4-3 4534 Butte Along North Honcut Creek, ca. 1 mile N and 2.7 miles E of Honcut; on Peter Ahart Ranch. 50 Comment
  CHSC76332  Poa compressa G. F. Hrusa 1997-5-29 13798 Butte Sierra Nevada. Slopes on N side of Sucker Run Creek, +/- 1.5 mi. SSE of Feather Falls townsite. Near creek. [Original Lat./Long. on label is '39 34 N; 121 14 W']. 750 Comment
  CHSC92585  Poa secunda subsp. secunda L. P. Janeway; Jamie Tuitele-Lewis, Matt Brown, Samantha Hillaire 2005-5-10 8386 Butte Northern High Sierra Nevada. Plumas National Forest; southeast-facing slope above North Fork Feather River between Lockerman Creek and Cedar Creek. 1116 Comment
  JEPS108566  Poa secunda subsp. secunda L. P. Janeway 2005-5-29 8413 Butte Northern High Sierra Nevada. 0.2 km northwest of Concow Road at the gap between the head of Rock Creek and the Little Kimshew Creek drainage 1478 Comment
  SEINET10887957  Poa tenerrima Lowell Ahart 2010-5-14 Ahart 16662 Butte T22N, R2E, northeast 1/4 Section 10. Disc Golf Area, about 200 yards west of the entrance to the Disc Golf Area, west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico. 351 Comment
  SEINET10508319  Poa tenerrima Mary Susan Taylor 1980-3-15 Taylor 2382 Butte T21N R2E nw sec 36. In Valley Grassland ca. 1/4 mi S of Pentz Road, ca. 1/8 mi E of Hwy 99, ca. 15 mi S of Chico; near large vernal pool. 55 Comment
  CAS-BOT-BC232967  Polypogon australis A. A. Heller 1914-5-19 11419 Butte Hills 8 miles N of Oroville Comment
  CAS-BOT-BC233056  Polypogon interruptus Lowell Ahart 1980-7-29 2515 Butte Along lower Forbestown Road 750 Comment
  CAS-BOT-BC233059  Polypogon interruptus Lowell Ahart 1983-6-26 4110 Butte Along Ponderosa Way, ca. 1/8 mile E of the intersection of the Oroville Quincy Highway and Ponderosa Way, ca. 15 miles NE of Oroville 500 Comment
  CHSC42399  Polypogon australis Lowell Ahart 1987-6-9 5730 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC45743  Polypogon monspeliensis S. A. Conley 1986-6-16 40 Butte 2.1 mi. e of Oroville on hwy 162. Along rd. Comment
  CHSC47630  Polypogon interruptus Lowell Ahart 1977-5-8 1364 Butte Wash, Peter Ahart Ranch, about 1 1/2 miles north and 2 miles east of Honcut, about 12 miles south of Oroville. 42 Comment
  RSA726855  Polypogon viridis L. Ahart 2007-6-3 13977 Butte On the west side of Jordan Hill Road, about 1.5 miles northwest of Concow Creek, about 1.5 miles west of Concow Reservoir. 358 Comment
  UCD90971  Polypogon australis A. A. Heller 1913-6-4 10775 Butte Table Mountain Olive Ranch north of Oroville. Comment
  SEINET10508324  Polypogon interruptus Lowell Ahart 1983-6-15 Ahart 4057 Butte Peter Ahart Ranch, ca. 2.5 mi ne of Honcut. Foothill Woodland; 50 m. Along the edges of North Honcut Creek. 50 Comment
  CAS-BOT-BC239962  Scribneria bolanderi Lowell Ahart 1985-5-15 4971 Butte West of Lunt Road, about 1/2 mile north of the intersection of Lunt Road and Highway 70, north of Yankee Hill 550 Comment
  UC768855  Scribneria bolanderi R. F. Hoover 1936-5-21 1159 Butte 3 mi n of Chico Comment
  CHSC2185  Secale cereale H. Silberman; D. Isaac 1949-5-17 Butte Manzanita Ave. at Ceanothus Ave., Chico. 57 Comment
  CAS-BOT-BC240125  Setaria pumila Lowell Ahart 1987-5-27 5705 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CAS-BOT-BC235259  Sorghum bicolor John Thomas Howell 1951-8-19 28152 Butte North Fork Feather River 243 Comment
  CHSC13807  Sorghum halepense J. G. Moore 1969-5-7 40 Butte Salem St. between 7th and 8th Sts. on e side of road. 60 Comment
  SEINET8233923  Sorghum halepense Richard R. Halse 2006-8-2 6982 Butte Chico; in the Lindo Channel Greenway where it crosses under Mangrove Ave. 92 Comment
  CAS-BOT-BC221936  Taeniatherum caput-medusae John Thomas Howell 1962-6-15 37422 Butte 5 miles west of Oroville Comment
  CAS-BOT-BC221939  Taeniatherum caput-medusae Lowell Ahart 1977-6-2 1504 Butte Peter Ahart Ranch, Honcut 50 Comment
  JEPS104006  Taeniatherum caput-medusae Lowell Ahart 2003-5-15 10177 Butte Pasture fields, Peter Ahart Ranch, ca 2 mi n and 2 mi e of Honcut, ca 12 mi se of Oroville. 48 Comment
  CHSC44917  Trisetum canescens Lowell Ahart 1988-7-31 6151 Butte On the east side of the Feather River, north of the bridge, about 4 road miles north of Stirling City. 914 Comment
  UC600793  Trisetum projectum H. F. Copeland 1932-8-19 Butte just below Butte Creek House; Jonesville 1600 Comment
  CHSC101277  Triticum aestivum Lowell Ahart 2009-4-3 15537 Butte Along the south side of the gravel road, east of the Cedar Grove parking area in Lower Bidwell Park, Chico. 67 Comment
  UCD93619  Tuctoria greenei Beecher Crampton 1966-6-26 7766 Butte 10 miles SE of central Chico, US Hwy. 99E and Pentz Road. Comment
  UCD93626  Tuctoria greenei Beecher Crampton 1978-8-21 9660 Butte Ca. 10 miles SE of Chico, 1/2 mile S of the jct. of Pentz Road and Hwy. 99. Comment
  CHSC29273  Vulpia bromoides R. A. Schlising 1979-4-21 3373 Butte Richvale vernal pools, 1/4 mi s of junction Hwy 162 (e to Oroville) and Hwy 99, along the latter and across from Thermalito Afterbay. Comment
  CHSC29305  Vulpia microstachys var. pauciflora J. D. Prouty 1980-4-19 80 .73 Butte Surface of Table Mtn. 396 Comment
  CHSC36545  Vulpia microstachys var. pauciflora L. Ahart 1982-6-4 3553 Butte Lava cap, 1.5 mi e of Camp 18, ca. 8 mi e of Feather Falls. 304 Comment
  CHSC38867  Vulpia myuros Vernon Oswald 1983-3-4 110 Butte Upper Bidwell Park, Chico, ca. 200 ft e of Parking Area P (2 mi e of the power lines). 207 Comment
  CHSC46443  Vulpia bromoides Lowell Ahart 1989-5-23 6266 Butte Along Swedes Flat Road, about 1 mile east of the Oroville Bangor Highway, north of Bangor. 426 Comment
  CHSC83923  Vulpia microstachys var. pauciflora Lowell Ahart 2003-4-10 10056 Butte Near the east side of the 'sunken area,' about 150 yards west of the east rim of South Table Mountain, about 2 1/2 miles (air) north of Oroville. 320 Comment
  CHSC96561  Vulpia microstachys var. pauciflora L. P. Janeway 2006-4-30 8566 A Butte Cascade Range Foothills. East edge of city of Chico; northwest side of Humboldt Road 2.4 km northeast of Bruce Road. 149 Comment
  UCD80615  Vulpia microstachys var. confusa CNPS SN Foothill Team 2005-5-4 SNFN 0200 a Butte City of Chico, Bidwell Ranch property, about 1.33 miles NW of the end of Wildwood Road. 88 Comment
  UCD94910  Vulpia myuros Javier Penalosa 1962-6-18 2462 Butte near confluence of French and Peavine Creeks. 609 Comment
  UCD94937  Vulpia myuros M. Vincent 1965-4-18 641 Butte 0.5 mile south of Pentz Store, Pentz Rd. Comment
  CDA33009  Vulpia microstachys var. microstachys S. O. Matoon 1971-4-27 Butte 6.9 miles east of Chico, where the asphalt of the old highway has been torn up. 0 Comment
  SEINET10869184  Vulpia Mary Susan Taylor 1978-5-6 Taylor 1573 Butte Just N of Magalia, in large serpentine area along the Skyway. 610 Comment
  CHSC39975  Allophyllum divaricatum L. Ahart; P. Ahart 1983-7-29 4258 Butte Ca. 3 mi e of Milsap Bar, ca. 25 mi ne of Oroville. Along edge of dirt road. 1100 Comment
  CHSC45347  Collomia heterophylla Vernon Oswald 1987-3-31 2304 Butte Butte Creek Reserve on the s side of Butte Creek n of the Skyway, ca. 0.1 mi w of the double set of transmission lines. On a sand bar along the creek. 85 Comment
  CHSC93968  Collomia tinctoria R. D. Fischer 2004-6-20 749 Butte Sierra Nevada Mountains, north-east corner of Butte County and ca. 2 miles west of Butte Meadows on Humboldt Road. Roadside. 1417 Comment
  SD7641  Collomia grandiflora Daniel Cleveland 1882-7-14 Butte Sutten House Comment
  CHSC3750  Gilia tricolor R. L. Adams 1964-3-22 91 Butte At side of road, Upper Bidwell Park 4 mi. N. golf course, 9 mi. E. Chico. Comment
  CHSC82402  Gilia capitata subsp. pedemontana Lowell Ahart 2002-5-7 9626 Butte High banks of a pond, at the beginning of a southeast branch of Schirmer Ravine, about 50 yards east of the pond on the east side of Cherokee Road, North Table Mountain, about 4 miles (air) north of Oroville. 228 Comment
  JEPS108861  Gilia capitata subsp. mediomontana Lowell Ahart 2006-5-19 12637 Butte Road bank, on the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga 405 Comment
  RSA21312  Gilia capitata subsp. pedemontana Carl B. Wolf 1937-5-13 8657 Butte Sierra Nevada Foothills, W side of So. Honcut Creek, 2 6/10 mi E of Bangor. 213 Comment
  SEINET7042708  Gilia tricolor A. G. Vestal 1963-5-9 s.n. Butte At lower slope of lava mesa. Road to Chico. Ca. 11 miles southeast of Chico. Nelson quadrangle UTM Zone 10, 604825mE, 4383603mN. Comment
  POM220120  Ipomopsis aggregata subsp. formosissima H. F. Copeland 1928-8-14 451 Butte Ridge above Jones Creek, neighborhood of Jonesville Comment
  UC879867  Ipomopsis aggregata A. A. Heller 1917-7-29 12857 Butte summit above Jonesville 2133 Comment
  CHSC116163  Leptosiphon ciliatus Lowell Ahart 2015-6-16 20236 Butte On the west side of the paved road, about 4 miles (by road) northwest of Fall River Bridge, about 5 1/2 miles (air) northwest of Camp 18, about 9 miles (air) northeast of Feather Falls. 1406 Comment
  CHSC1277  Leptosiphon bicolor P. Delaplane 1965-3-23 77 Butte H. Wurlitzer Ranch ca. 13 mi. NW of Chico, W of Hwy 99E North. 60 Comment
  CHSC30791  Leptosiphon filipes M. S. Taylor 1980-5-27 2677 Butte On Big Bald Rock, ca. 3 mi e of Lake Madrone. 997 Comment
  CHSC36716  Leptosiphon bolanderi R. Schlising; R. Banchero 1980-5-13 3587 Butte Serpentine outcrop above Hwy 70 and above Bardees Bar on N Fork of Feather River, ca 2 mi S of Pulga. 441 Comment
  CHSC38597  Leptosiphon filipes Vernon Oswald 1983-5-7 442 Butte Upper Bidwell Park, Chico, on the north rim at the head of the east tributary of Sycamore Creek. 365 Comment
  CHSC96553  Leptosiphon parviflorus L. P. Janeway 2006-4-30 8562 Butte Cascade Range Foothills. East edge of city of Chico; northwest side of Humboldt Road 2.4 km northeast of Bruce Road. 149 Comment
  UCD73015  Leptosiphon bicolor Ayzik Solomeshch 2003-4-9 s. n. Butte Wurlitzer Reserve, about 10 mi. north from Chico on Hwy 99, west side of the road. Comment
  UC133974  Linanthus dichotomus E. B. Copeland 1903-4-11 3030 Butte Chico Comment
  SEINET12332636  Linanthus filipes S. S. Khan 1988-1 43 Butte North Table Mountains, ca 100 yds W of Table Mountain-Cherokee Rd, ca 6 mi N of Oroville 244 Comment
  CHSC34992  Microsteris gracilis R. A. Schlising 1980-6-10 3664 Butte Along Humboldt Road, 1.9 mi NE of jct with Highway 32 at Lomo. Comment
  POM147731  Microsteris gracilis subsp. humilis E. E. Stanford 1927-5-21 383 Butte 4 miles SE of Avery 1220 Comment
  CAS-BOT-BC233623  Navarretia pubescens A. A. Heller; H. E. Brown 1902-5-14 5477 Butte Berry Canyon, near Clear Creek Comment
  CHSC105179  Navarretia capillaris B. Castro; L. P. Janeway 1999-8-1 1021 Butte Along Scotts John Creek, 0.2 mi N of road connecting Humboldt and Humbug Rds. In narrow meadowy riparian strip in partial shade of white fir and lodgepole pine adjacent to an alder thicket. 1749 Comment
  CHSC20897  Navarretia leptalea M. S. Taylor 1975-8-31 883 Butte On Ernies Island in Butte Creek, ca. 50 ft s of Humboldt Rd, ca. 1/2 mi e of Butte Meadows. 1341 Comment
  CHSC26827  Navarretia leucocephala M. S. Taylor 1978-5-7 1596 Butte In vernal pools, on e side of Williams Rd on Butte College campus, ca. 1/4 mi n of Pentz Rd, ca. 15 mi s of Chico. 30 Comment
  CHSC30684  Navarretia intertexta M. S. Taylor; L. Ahart, R. Schlising 1980-5-31 2757 Butte Kunkle Reservoir, e side, e side of Pentz-Magalia Hwy, ca. 2 mi s of Paradise. 441 Comment
  CHSC34985  Navarretia divaricata R. Schlising; D. Ikeda, R. Banchero 1980-6-23 3765 Butte 1.6 mi N of La Porte Road (and 1.8 mi S of S end of Sly Creek Reservoir dam). Roadside. Comment
  CHSC38606  Navarretia viscidula Vernon Oswald 1983-6-5 636 Butte Upper Bidwell Park, Chico, on the North Rim Trail ca. 800 ft. w of its eastern terminus. 414 Comment
  CHSC43705  Navarretia filicaulis Vernon Oswald 1985-6-26 1866 Butte Forbestown Reservoir Rd. 2.5 mi ne of Forbestown Rd. On the edge of a dirt road. 792 Comment
  CHSC62126  Navarretia filicaulis B. Castro 1987-5-21 123 Butte Ca 9 mi E of Chico via Hwy 32 and ca 2 mi E on Altatina Drive. In middle of dirt road along top of ridge. 487 Comment
  CHSC91108  Navarretia heterandra Lowell Ahart 2005-5-28 11824 Butte Bottom of vernal pools, pasture, on the north side of Falager Ct., south of the Durham Pentz Road, east of Highway 99 East, about 4 miles east of Durham. 67 Comment
  CHSC91114  Navarretia heterandra Lowell Ahart 2005-5-27 11812 Butte Pasture field, about 50 yards northwest of the tower, Peter Ahart Ranch, about 2 1/4 miles north and 1 1/2 miles east of Honcut, about 12 miles (air) southeast of Oroville. 42 Comment
  JEPS107911  Navarretia filicaulis Lowell Ahart 2005-7-12 12135 Butte Road cut bank, on the west side of Encina Grade Road (Bloomer Hill Road), about 2 miles (air) southeast of Bloomer Hill, about 2 miles west of Oroville Quincy Highway 623 Comment
  POM219095  Navarretia capillaris H. F. Copeland 1928-8-18 374 Butte Neighborhood of Jonesville; near Butte Creek. 1524 Comment
  RSA755443  Navarretia pubescens L. Ahart 2009-5-23 15727 Butte About 20 yards east of Ten Mile House Road, Upper Bidwell park, about 3/4 air mile west of Highway 32, about 10 miles northeast of Chico. 235 Comment
  UC1228165  Navarretia heterandra Beecher Crampton 1960-6-15 5623 Butte 10 mi se Chico Comment
  UC1719847  Navarretia tagetina David Fruchter 1979-5-28 s. n. Butte Richvale (N of Corning) Comment
  UC196279  Navarretia viscidula A. A. Heller 1914-5-22 11427 Butte about 5 mi n Chico (on the Richardson Springs road) Comment
  UC600672  Navarretia intertexta H. F. Copeland 1930-7-28 Butte Jonesville, by Humbug Road Jonesville 1828 Comment
  UCD80642  Navarretia leucocephala subsp. leucocephala CNPS SN Foothill Team 2005-5-3 SNFN 0198 d Butte City of Chico, Doe Mill Meadowfoam Preserve, ca. 200 m at 240 degrees from the preserve gate, and ca. 75 m from the east fence. 85 Comment
  SEINET10902897  Navarretia leucocephala Mary Susan Taylor 1975-4-29 Taylor 539 Butte Abundant in fields ca. 50-500 yds S of Pentz Road, ca. 1/4 mi E of Hwy 99, ca. 15 mi S of Chico. With Layia fremontii, Achyrachaena mollis, Delphinium spp. Comment
  UC600665  Navarretia leptalea subsp. leptalea H. F. Copeland 1920-7-11 374 Butte Butte Creek Canyon Comment
  CHSC1304  Phlox speciosa subsp. occidentalis R. M. Staley 1953-7-17 Butte Canyon Creek. Comment
  CHSC35092  Phlox diffusa R. A. Schlising; R. Banchero, J. Fuller, M. Merryman 1981-6-20 4100 Butte NE part of county, E of Inskip and E of Jones Meadow. 1856 Comment
  CAS-BOT-BC167557  Polygala cornuta var. cornuta C. R. Quick 1941-6-8 41 -15 Butte Big Bar Mt. Meadow Comment
  CDA30229  Polygala cornuta L. Ahart 2009-5-3 15776 Butte On the south side of Ten Mile House Road, Upper Bidwell Park, about 3/8 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico. Comment
  CAS-BOT-BC412960  Bistorta bistortoides H. F. Copeland 1920-8-12 132 Butte Jonesville 1219 Comment
  CHSC100915  Bistorta bistortoides R. A. Schlising; Lawrence Janeway 1998-7-16 4609 Butte Northern Butte County, south of Humbug Summit, at upper reaches of Willow Creek. 1950 Comment
  CHSC39129  Bistorta bistortoides R. A. Schlising; R. Banchero 1980-6-6 3652 Butte N of Lake Oroville, Bald Rock Road, 1.5 miles s of jct with Oroville-Quincy Highway at Brush Creek. 929 Comment
  SD1169  Bistorta bistortoides E. B. Copeland 1929-7-20 357 Butte Jonesville, wet meadows and swamps 1550 Comment
  CHSC74115  Chorizanthe stellulata B. Castro; L. P. Janeway 1996-5-19 663 Butte Ca e air mi NE of Chico, in Upper Bidwell Park on spine of ridge between Sycamore and Big Chico Creeks, just N of North Rim Trail ca 250 f W of jcn with trail from Diversion Dam. 335 Comment
  JEPS119690  Chorizanthe polygonoides var. polygonoides Lowell Ahart 2012-5-2 17953 Butte About 50 yards northeast of the Government Pole Line, Upper Bidwell Park, about 1 mile east of Chico. Comment
  CAS-BOT-BC261717  Eriogonum nudum var. oblongifolium John Thomas Howell 1975-6-15 51120 Butte Paradise. Skyway near Clark Road 609 Comment
  CAS-BOT-BC269851  Eriogonum nudum var. pubiflorum Helen M. Edwards 1917-6-6 s.n. Butte De Sabla Comment
  CHSC30077  Eriogonum ursinum var. ursinum R. A. Schlising; D. Ikeda, R. Banchero 1980-6-26 3784 Butte Along Humboldt Rd., 1.9 mi NE of jct with Hwy 32 at Lomo; on open N and W-facing cliffs. Comment
  CHSC31772  Eriogonum roseum Lowell Ahart 1974-9-30 639 Butte Near North Honcut Creek, Peter Ahart Ranch, Honcut. 45 Comment
  CHSC33642  Eriogonum vimineum M. Merryman; D. Ikeda 1979-9-2 23 Butte Ca. 6 mi ne of Forest Ranch on Hwy 32. 950 Comment
  CHSC33983  Eriogonum nudum var. pubiflorum S. Posner 1972-10-24 Butte Between dredger tailings, 150 yds. south of Humbug Rd., 3 miles from Butte Creek Rock Co. Chico. Comment
  CHSC34669  Eriogonum luteolum var. luteolum M. S. Taylor 1981-7-10 4060 Butte N side of Feather River Hwy 70 at Pulga bridge, ca. 20 mi ne of Oroville. 487 Comment
  CHSC39088  Eriogonum spergulinum var. reddingianum R. A. Schlising; R. Banchero 1980-7-28 3931 Butte E of Jonesville in N part of county, on road to Scotts John Creek. 1889 Comment
  CHSC44135  Eriogonum lobbii V. Oswald; L. Ahart 1988-7-29 3643 Butte Ca. 5 mi (air) se of Jonesville on the ridge running eastwards from the peak of Snow Mtn. Locally abundant on a steep, gravelly slope on the n edge of ridge. 2103 Comment
  CHSC45488  Eriogonum roseum Lowell Ahart 1974-9-30 640 Butte Near North Honcut Creek, Peter Ahart Ranch, about 3/4 mile north and 2 1/2 miles east of Honcut, about 12 miles south of Oroville. 42 Comment
  CHSC51895  Eriogonum ursinum var. ursinum L. P. Janeway 1988-6-16 2800 Butte Southeast facing outcrop above Butte Cr; along rd in W side of the cyn, 3.0 mi S of Humboldt Rd. 1310 Comment
  CHSC61643  Eriogonum lobbii Lowell Ahart 1993-9-8 7166 Butte Open bare areas, on the north side of the ridge, about 1/2 mile east of Snow Mountain. 2103 Comment
  CHSC69452  Eriogonum umbellatum var. ahartii Lowell Ahart 1997-8-30 7882 Butte On the south side of the road to Forbestown Reservoir, west of Woodleaf Creek, 1/2 mile south of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. 609 Comment
  RSA718778  Eriogonum umbellatum var. ahartii L. P. Janeway 2006-7-11 8813 Butte Northern High Sierra Nevada. High in canyon of north Fork Feather River, along Hwy 70 0.5 km northwest of Bardee's Bar. Serpentinr outcrop road cut bank; southeast-facing 579 Comment
  UC1594624  Eriogonum roseum Lowell Ahart 1992-9-20 2923 Butte about 1/8 mi w Enterprise Boat Launch Ramp (below the high water line of Lake Oroville, about 3/4 mi sw of Rocky Point); Lake Oroville 243 Comment
  SEINET10479585  Eriogonum vimineum Lowell Ahart, Peter Ahart 1983-6-30 Ahart 4181 Butte T22N R4E nw/nw sec 1. Ca. 1.5 mi ne of Concow Reservoir. Foothill Woodland; 550 m. NE of Oroville. 550 Comment
  CHSC113359  Persicaria lapathifolia Lowell Ahart 2014-4-25 19409 Butte Sides of a cleaned ditch, on the west side of Richvale South Highway, south of the intersection of Richvale West Road and Richvale South Highway, Richvale. 30 Comment
  CHSC31763  Persicaria hydropiper L. Ahart 1977-9-20 1582 Butte Peter Ahart Ranch, Honcut, along edges of North Honcut Creek. 50 Comment
  CHSC48661  Persicaria amphibia Vernon Oswald 1987-7-4 3091 Butte Rancho Aquas Frias. 7-Mile Lane, 2.8 mi s of Dayton-Ord Hwy, between Chico and Butte City. Growing in a dry roadside ditch. 33 Comment
  CHSC66897  Persicaria hydropiper Vernon H. Oswald 1996-10-22 8301 Butte Oroville Wildlife Area on the NW side of the Feather River just upstream from the outlet of Thermalito Afterbay. 33 Comment
  CHSC94487  Persicaria maculosa Lowell Ahart 2006-8-29 13236 Butte In the field north of the canal and Parking Lot 16, west of the gravel road, Gray Lodge Wildlife Area (Gray Lodge Waterfowl Management Area). 19 Comment
  CAS-BOT-BC418954  Persicaria lapathifolia Lowell Ahart 1987-10-22 5922 Butte Along Oroville Chico Highway (149), 1/10 mile north-west of Highway 70 76 Comment
  CAS-BOT-BC523829  Persicaria pensylvanica Lowell Ahart 1986-11-14 5457 Butte 0.1 mi south of the clay burrow for Oroville Dam, 0.25 mi E of Larkin Rd, about 6 mi SW of Oroville 36 Comment
  CAS-BOT-BC414418  Polygonum douglasii A. A. Heller 1914-7-23 11603 Butte About Chico Meadows 1219 Comment
  CAS-BOT-BC419812  Polygonum parryi Lowell Ahart 1988-6-15 6041 Butte North of Forbestown Road, about 100 meters east of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road 670 Comment
  CDA22816  Polygonum lapathifolium L. Ahart 2002-10-17 9992 Butte About 1 1/2 miles south of Highway 162 (Oroville Quincy Highway), about 3 miles (air) northeast of Oroville Dam. On the gentle hills below the high water line of Lake Oroville. Comment
  CHSC29829  Polygonum californicum M. S. Taylor; R. S. Schlising, L. Ahart 1980-5-31 2771 Butte E side of Kunkle Reservoir, ca. 1/4 mi e of Pentz-Magalia Hwy, ca. 3 mi s of Paradise. 441 Comment
  CHSC31367  Polygonum bidwelliae C. Glascock 1965-5-11 376 Butte At edge of Skyway 2.5 km s (1.85 mi. s.) of Russell Drive, Paradise. Comment
  JEPS104287  Polygonum amphibium var. emersum Lowell Ahart 2003-6-16 10287 Butte In a ditch on the w side of Wickman Rd, ca 1 mi south of Richvale West Rd, ca 1 1/2 mi (air) sw of Richvale. 28 Comment
  JEPS113314  Polygonum douglasii subsp. spergulariiforme L. P. Janeway 2006-6-25 8694 Butte Northern High Sierra Nevada. West side of Coutolenc Road about 150 m north of Skyway; at Magalia Serpentine. Comment
  JEPS118058  Polygonum lapathifolium Lowell Ahart 2011-8-17 17628 Butte Aboout 10 yards north of the trail, north of the crossing and on the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Prk, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico 203 Comment
  RSA724998  Polygonum lapathifolium L. Ahart 2006-9-11 13289 Butte South edge of the North Fork of the Feather River, north side of highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 air miles northeast of Oroville. 432 Comment
  SBBG29156  Polygonum spergulariiforme E. B. Copeland 1931-7-3 Butte Colby Cyn, Jonesville 1550 Comment
  SEINET3405100 Image available Polygonum bidwelliae A. A. Heller 1941-5-25 16149 Butte Just back of the Rifle Range, 5 miles E of Chico, opposite Golf Links Comment
  UC1509659  Polygonum hydropiper L. Ahart 1982-10-11 3864 Butte large duckpond ca 1/10 mi w Graylodge Wildlife Refuge (ca 12 mi sw of Gridley) 35 Comment
  UC478527  Polygonum minimum E. B. Copeland 1931-7-18 631 Butte Butte Creek Jonesville 1500 Comment
  UC478528  Polygonum douglasii subsp. douglasii E. B. Copeland 1930-7-24 630 Butte Jonesville 1500 Comment
  SEINET10479612  Polygonum amphibium var. stipulaceum Mary Susan Taylor 1975-10-3 Taylor 925 Butte At bridge over Little Chico Creek on River Road, ca. 10 mi W of Chico; Ripar ian Woodland disturbed area. 37 Comment
  SEINET11934608  Polygonum bidwelliae Unknown 1988-1 29 Butte Salmon Hole, ca.5 mi E of Chico Municipal Golf Course 122 Comment
  UC85156  Polygonum phytolaccifolium Mrs. R. M. Austin July, 1896 154 Butte Sutton House Comment
  CHSC43944  Pterostegia drymarioides Vernon Oswald 1988-4-21 3278 Butte Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. Common at the base of an outcrop of Tuscan Formation mudflow on the north side of a swale near the north tip of the ranch. 60 Comment
  CDA29951  Rumex conglomeratus L. Ahart 2009-6-3 15820 Butte Drainage below dam, about 100 yards west of the table at the old homestead and about 50 yards southwest of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) southwest of the intersection of Highway 32 and Ten Mile House road, about 10 miles northeast of Chico Comment
  CHSC102507  Rumex pulcher Lowell Ahart 2009-5-30 15798 Butte About 80 yards south of the gate, on the east side of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. 209 Comment
  CHSC39342  Rumex pulcher Lowell Ahart 1983-6-26 4145 Butte Around a small meadow along Ponderosa Way, about 1/2 mile south of the East Fork of Canyon Creek, about 13 1/2 miles north-east of Oroville. Note: the sign gives Big Ridge Road instead of Ponderosa Way. 550 Comment
  CHSC42496  Rumex acetosella Lowell Ahart 1987-6-9 5742 Butte Around rocks, on the west side of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC64050  Rumex crispus S. C. Morey 1983-8-4 710 Butte On e side of Scout Rd., ca. 1 mi n of its jct with Humboldt Rd. at Butte Meadows. 1292 Comment
  CHSC64207  Rumex crispus S. C. Morey 1983-7-23 587 Butte Cherry Hill Meadow. On n side of Humboldt Rd., ca. 3.2 mi e of Butte Meadows. 1414 Comment
  JEPS94904  Rumex obtusifolius Lowell Ahart 1998-7-1 8034 Butte about 7 air mi n Oroville (e of cow chute and on e side of Cherokee Rd.); North Table Mountain 403 Comment
  CAS-BOT-BC421909  Rumex acetosella Lowell Ahart 1987-7-8 5802 Butte Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga 1280 Comment
  CHSC106573  Polypodium calirhiza C. Arnett 2008-2-19 Butte Fern Wall, Bidwell Park. 89 Comment
  CHSC29018  Polypodium calirhiza M. S. Taylor; J. D. Jokerst, L. Ahart 1980-4-4 2430 Butte Ca. 10 ft s of Swedes Flat Rd, at jct with Rocky Honcut Creek, ca. 2 mi e of OrovilleBangor Hwy, ca. 10 mi se of Oroville. 365 Comment
  CHSC3886  Polypodium calirhiza Gerry Carrauthers 1966-3-7 79 Butte Honeyrun Rd. above old Honeyrun Bridge. Ca. 5 mi. N. W. of city of Paradise. Comment
  JEPS110221  Polypodium calirhiza Lowell Ahart 2006-9-28 13360 Butte South of Bear Ranch Creek, about 15 feet above the west side of the entrance to the tunnel, about 1/8 mile east of Highway 70, about 1/4 mile southeast of the Shady Rest Area south of the Arch Rock Tunnel 480 Comment
  JEPS115061  Polypodium calirhiza Lowell Ahart 2007-11-3 14549 Butte West of the high water line of Lake Oroville, about 1/2 mile east of the Power House below Kunckle Reservoir, about one mile north of the Lime Saddle Campground, about 5 miles (air) southeast of Paradise 322 Comment
  CAS-BOT-BC71871  Polypodium californicum Lowell Ahart 1990-3-19 6419 Butte south side of Pacific Heights Road, about 3 1/2 miles southwest of Oroville 36 Comment
  UCSB63725  Polypodium californicum Occhino, Deborah 1990-4-22 Butte S bank Big Chico Creek, vic. police pistol range, SW corner Bidwell Park, Chico 60 Comment
  CDA18369  Heteranthera limosa G. D. Barbe 1978-8-14 2438 Butte Biggs Rice Experiment Station. 0 Comment
  UCD19080  Heteranthera rotundifolia Carl M. Wick 1983-7-1 s.n. Butte State Hwy 162, ca. 3 mi. west of State Hwy 99, then 1 mi. south along Cherokee Canal on Lattemore Ranch. Comment
  CHSC33656  Potamogeton natans R. Schlising; J. Fuller, M. Merryman, K. Tarp 1981-7-28 4175 Butte N of Inskip in NE part of county; Coon Hollow; in pond. 1752 Comment
  CHSC46884  Potamogeton foliosus var. foliosus Vernon H. Oswald 1989-9-4 3978 Butte Wurlitzer Unit, Vina Plains Preserve. In a farm pond. 56 Comment
  CHSC50855  Potamogeton foliosus var. foliosus Vernon Oswald 1990-7-28 4406 Butte De Sabla Lake, near the Skyway between Magalia and Stirling City. 801 Comment
  CHSC51379  Potamogeton nodosus Vernon Oswald 1990-8-14 4433 Butte Upper Miocene Canal just upstream from Kunkle Reservoir, on the east side of Pentz-Magalia Hwy south of Paradise. In the south end of the canal. 441 Comment
  JEPS106244  Potamogeton diversifolius Lowell Ahart 2004-7-11 11226 Butte On the southeast shore of Paradise Lake, about 3/4 mile northeast of the picnic area, about 1 mile northeast of Paradise Dam, about 4 miles (air) southwest of Stirling City 814 Comment
  CAS-BOT-BC136235  Dodecatheon alpinum H. F. Copeland 1920-5-1 s.n. Butte Jonesville 1219 Comment
  CHSC28878  Adiantum capillus-veneris M. S. Taylor 1979-5-4 1983 Butte Millsap Bar campground, ca. 9 mi ne of jct of Millsap Bar Rd with Brush Creek Rd, ca. 26 mi ne of Oroville. 1005 Comment
  JEPS116129  Adiantum jordanii Lowell Ahart 2009-5-23 15742 Butte On the east side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highwat 32, about 10 miles northeast of Chico 234 Comment
  SEINET10932926  Adiantum jordanii Mary Susan Taylor 1980-3-1 Taylor 2340 Butte T21N R2E se sec 11. Among rocky outcrops on n-facing bluffs overlooking Nance Canyon, ca. 1/4 mi N of Neal Road, ca. 3 mi E of its jct with Hwy 99, ca. 7 mi S of Chico. 122 Comment
  SEINET11715826  Adiantum jordanii D. J. Straub 1977-1 5 Butte ca 50 ft S of Big Chico Creek and 5050 ft E of Hooker Oak pool, 1 mi E of Chico 91 Comment
  SEINET7728123  Adiantum emarginatum C. C. Parry 2000-1 Butte Chico Comment
  CHSC24898  Aspidotis densa E. Rilla 1976-4-4 19 Butte Scattered on n side of Ponderosa Way, ca. 4 mi w of junc of Ponderosa Way and Hwy 32, ca. 22 mi ne of Chico. 426 Comment
  CHSC3983  Aspidotis densa E. P. Parreno 1967-3-30 Butte Only plant seen close to the water's edge of Lindo Channel ca. 350 yards upstream fron the Mun. Golf Course, Chico. Comment
  JEPS345  Aspidotis californica R. M. Austin Apr. 1883 Butte Big Chico Canyon Comment
  SEINET10470239  Aspidotis densa Lowell Ahart, Peter Ahart 1984-7-19 Ahart 4736 Butte About 1 1/2 mile south-east of Bald Mountain, 3/4 mile west of Oak Point, about 4 miles north-east of Stirling City. Comment
  CAS-BOT-BC69445  Cheilanthes gracillima A. A. Heller 1917-7-29 12852 Butte Summit of Jonesville. 2133 Comment
  SEINET10529957  Cheilanthes carlotta-halliae Mary Susan Taylor 1980-5-27 Taylor 2662 Butte T21N R6E sc sec 30. Big Bend quad. On Big Bald Rock, ca. 3 mi E of Lake Madrone; Yellow Pine Forest, large granite dome 998 Comment
  SEINET10529873  Cheilanthes cooperae Mary Susan Taylor 1980-4-16 Taylor 2484 Butte T21N R4E s sec 17 Cherokee quad. Lake Oroville State Recreation Area, up to 0.5 mi SE of Parish Camp, just S of Lime Saddle Memorial Park, ca. 5 mi S of Paradise; Foothill Woodland. 305 Comment
  UC600569  Cryptogramma acrostichoides E. B. Copeland 1930-7-12 Butte Jonesville, Upper Butte Creek area Jonesville 1800 Comment
  CAS-BOT-BC69331  Pellaea brachyptera Lowell Ahart 1985-6-17 5053 Butte Lumpkin Ridge, 1 1/2 miles east of Camp 18, about 8 miles northeast of Feather Falls 701 Comment
  CHSC3223  Pellaea mucronata Virginia Hagaman 1966-3-28 93 Butte On Table Mountain. Comment
  CHSC50636  Pellaea andromedifolia Lowell Ahart 1990-5-28 6503 Butte South of Palm Avenue, about 1/2 mile east of Larkin Road, about 2 1/2 miles north-east of East Gridley. 30 Comment
  CHSC97737  Pellaea andromedifolia Lowell Ahart 2007-11-3 14550 Butte West of the high water line of Lake Oroville, about 1/2 mile east of the Power House below Kunckle Reservoir, about one mile north of the Lime Saddle Campground, about 5 miles (air) southeast of Paradise. 322 Comment
  UC1562399  Pellaea andromedifolia Lowell Ahart 1990-5-28 6503 Butte ca. 2 1/2 mi ne of East Gridley (s of Palm Ave, ca. 1/2 mi e of Larkin Rd) 30 Comment
  CHSC28988  Pentagramma triangularis subsp. semipallida M. S. Taylor 1980-3-19 2390 Butte Macabes Creek canyon, ca. 100 ft e of Lumpkin Rd, ca. 2 1/2 mi n of its jct with Forbestown Rd, ca. 18 mi ne of Oroville. 396 Comment
  CHSC30083  Pentagramma triangularis subsp. semipallida M. S. Taylor; J. D. Jokerst, L. Ahart, R. Schlising 1980-7-20 3190 Butte Big Bald Rock, ca. 3 mi e of Lake Madrone. 997 Comment
  CHSC39892  Pentagramma pallida Lowell Ahart 1984-2-3 4494 Butte Ca. 1/4 mile south of Cox Lane, east of the pole line tower; ca. 3.5 miles NE of Honcut. 100 Comment
  CAS-BOT-BC91350  Clematis lasiantha Helen M. Edwards 1917-6-1 s.n. Butte De Sabla. Comment
  CHSC20059  Clematis lasiantha M. S. Taylor 1975-4-25 491 Butte Ca. 1/2 mi e of Cohasset Hwy, along dirt road, ca. 10 mi ne of Chico. Comment
  CHSC42975  Clematis ligusticifolia Lowell Ahart 1987-7-3 5753 Butte At the Poe Power House, near the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap. 280 Comment
  CAS-BOT-BC121616  Delphinium patens subsp. patens A. A. Heller 1938-4-14 15036 Butte Slope on Table Mountain, near the upper end of a ravine 304 Comment
  CAS-BOT-BC8067  Delphinium nuttallianum A. A. Heller 1915-6-10 11954 Butte Little Summit in the Sierra Nevada 1371 Comment
  CAS-BOT-BC8069  Delphinium nuttallianum A. A. Heller 1915-6-27 12038 Butte Jonesville in the Sierra Nevada 1676 Comment
  CHSC10790  Delphinium nudicaule Lowell Ahart 1968-3-17 Butte Bidwell Park, Chico. 91 Comment
  CHSC30886  Delphinium patens subsp. patens J. D. Jokerst 1979-3-20 1153 Butte Top of North Table Mt, W edge of Mt at the waterfall of the South branch of Coal Cr. 365 Comment
  CHSC31845  Delphinium variegatum L. Ahart 1974-3-18 323 Butte In pasture fields; Peter Ahart Ranch, Honcut. 45 Comment
  CHSC3562  Delphinium nudicaule R. D. Briggs 1966-3-2 51 Butte Salmon Hole,' 4 miles N.E. of the Bidwell Park golf course, Chico. Ledge above creek. Comment
  CHSC41525  Delphinium variegatum Richard J. Slama 1981-4-20 12 Butte Ca. 5 mi. e of Chico, ca. 3 mi. e of hwy 99 and hwy 32, ca. 2 mi. e on Humboldt Road on n side. 99 Comment
  CHSC44424  Delphinium hansenii Lowell Ahart 1988-6-11 6037 Butte On a ridge on the Joie Osgood Ranch, about 2 miles north and 2 1/2 miles east of Honcut, about 12 miles south-east of Oroville. 60 Comment
  CHSC52505  Delphinium variegatum Judy A. LeFurgey 1978-4-15 26 Butte Ca. 6 mi ne of Chico s side of field by Horseshoe Lake, ca. 0.2 mi n of Chico Mun. Golf Course Clubhouse. 60 Comment
  CHSC93352  Delphinium variegatum subsp. variegatum Lowell Ahart 2006-5-3 12568 Butte Along a small stream, about 1/2 mile northwest of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 386 Comment
  JEPS115655  Delphinium hansenii subsp. hansenii Lowell Ahart 2009-5-30 15805 Butte On the west side of Guardians Trail, about 100 yards southwest of Ten Mile House Road, Upper Bidwell Park, about 3/8 mile (air) west of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico 440 Comment
  RSA718042  Delphinium variegatum R. D. Fischer 2004-4-4 802 Butte Sierra Nevada foothills within upper Bidwell Park in Chico on the E side Hwy 32 along Guardian Trail between the Pine and Bloodypin Trails 335 Comment
  CAS-BOT-BC121511  Delphinium gracilentum Clarence Roy Quick 1941-6-7 41 -24 Butte Between Big Bar Mt., and Coyote Gap Comment
  CAS-BOT-BC121619  Delphinium patens subsp. patens Mrs. C. C. Bruce 1897-4-1 1914 Butte Forest Ranch Comment
  CAS-BOT-BC16976  Delphinium variegatum subsp. variegatum Ira L. Wiggins 1925-3-25 1414 Butte Three and one half miles east of Durham on State Land Colony highway. Comment
  POM99315  Delphinium nudicaule C. C. Bruce 1897-04 s.n. Butte Butte Creek. Comment
  CAS-BOT-BC410228  Enemion occidentale J. H. Morrison 1933-4-10 s.n. Butte Near Durham Comment
  SEINET10536079  Isopyrum occidentale Mary Susan Taylor 1980-4-6 Taylor 2460 Butte Swedes Flat Road, ca. 1 mi E of its jct with Bangor-Oroville Hwy, ca. 10 mi SE of Oroville. With L. Ahart & J.D. Jokerst. 335 Comment
  CHSC62368  Myosurus minimus B. Castro 1990-4-21 419 Butte Ca 3 mi SW of Paradise, off Honey Run Rd. In depression of old house pad. 140 Comment
  CHSC11812  Ranunculus populago E. B. Copeland 1930-6-25 640 Butte Jonesville. 1500 Comment
  CHSC23135  Ranunculus occidentalis var. occidentalis M. S. Taylor 1976-2-17 996 Butte Ca. 10 ft s of Big Chico Creek, opposite Chico Municipal Golf Course, Upper Bidwell Park, Chico. 91 Comment
  CHSC23896  Ranunculus arvensis Fred Michaelis 1975-4-22 314 Butte Ca. 0.2 mi e of Hicks Ln., ca. 0.6 mi s of Keefer Rd., ca. 6.5 mi n-nw of Chico, near creek. 76 Comment
  CHSC29235  Ranunculus hebecarpus M. S. Taylor 1980-4-1 2424 Butte On bluffs above Covered Bridge and s of Butte Creek, ca. 5 mi e of Chico. 182 Comment
  CHSC41519  Ranunculus occidentalis var. ultramontanus Kirsten Tarp 1983-8-6 341 Butte E of Butte Meadows, near creek. 1341 Comment
  CHSC45409  Ranunculus aquatilis var. subrigidus Lowell Ahart 1981-8-15 3029 Butte In the West Branch of the Feather River, about 1 1/2 miles south of Snag Lake. 1371 Comment
  CHSC53701  Ranunculus hebecarpus Kirsten Tarp 1983-4-3 260 Butte S part of county, sw of Bangor on Bangor Park Rd., roadside. 103 Comment
  CHSC77994  Ranunculus pusillus Lowell Ahart 2000-5-13 8356 Butte On the margin of the Thermalito Afterbay, on the south side of the access road to the boat ramp at the Thermalito Afterbay, west of Larkin Road, about 1 1/4 miles south of the Oroville Airport, about 5 miles (air) southwest of Oroville. 42 Comment
  CHSC97403  Ranunculus alismifolius var. alismellus Robert Fischer 2006-6-11 1009 Butte Butte Meadows. North-east corner of Butte County along Scotts John Road 1.5 miles north of county road 26N27 and 5.5 miles north of the Humboldt Road junction. UTM: 10634233E, 4441779N. 1752 Comment
  JEPS117511  Ranunculus canus Lowell Ahart 2010-5-22 16725 Butte North of the road, about 100 yards west of the fence, about 1/4 mile east of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville 408 Comment
  JEPS122194  Ranunculus aquatilis var. aquatilis Lowell Ahart 2014-4-16 19370 Butte On the sides but near the bottom of a large canal, about 100 yards north of East Gridley Road, on the west side of the Feather River, about 2 miles east of Gridley. Comment
  UCD80704  Ranunculus canus var. canus CNPS SN Foothill Team 2005-3-30 SNFN 0070 d Butte CDFG, North Table Mountain Wildlife Area, in a creek channel on Table Mountain. From the parking area, go south to Campbell Creek in Beatson Hollow, along old road approximately 3 miles west of Cherokee Road. 306 Comment
  CAS-BOT-BC186693  Ranunculus John Thomas Howell 1976-4-2 51548 Butte About 2 miles southeast of Chico 60 Comment
  RSA268507  Ranunculus occidentalis var. ultramontanus J. H. Morrison 1929-06 s.n. Butte Oroville - Quincy, Sierra Nevada. 1829 Comment
  SEINET12094427  Ranunculus alismifolius Unknown 1983-1 353 Butte E. of Philbrook Reservoir at county line, T25N, R5E, sec. 16, Jonesville 15' quad 1975 Comment
  SEINET12094429  Ranunculus bonariensis Unknown 1983-1 261 Butte SW of Bangor, T18N, R4E, sec. 36 73 Comment
  CHSC44346  Thalictrum fendleri var. polycarpum Lowell Ahart 1988-4-6 5958 Butte Near a small stream and east of North Honcut Creek, on the Joie Osgood Ranch, about 1 1/2 miles north and 3 miles east of Honcut, about 12 miles southeast of Oroville. 60 Comment
  CAS-BOT-BC51733  Ceanothus lemmonii Mrs. J. H. Morrison 1932-5-30 s.n. Butte Durham Comment
  CHSC36071  Ceanothus diversifolius R. A. Schlising; J. D. Jokerst 1982-6-6 4288 Butte Along Concow Road, n of Concow Reservoir, near Flea Mt. 1097 Comment
  RSA25681  Ceanothus jepsonii Carl B. Wolf 1941-7-23 11048 Butte Northern Sierra Nevada, 5 miles below Magalia on Oroville road. 610 Comment
Read comments
May 17 2021
  SD2949  Ceanothus cordulatus E. B. Copeland 1929-7-14 Butte Jonesville 1550 Comment
  UC1070772  Ceanothus integerrimus P. L. Johannsen 1936-7-30 975 Butte 3 mi wsw Chaparral; Paynes Creek quad. 1371 Comment
  UC1071460  Ceanothus velutinus C. G. Albertus 1933-7-25 49 Butte just s Thompson's; Chico Quadrangle Comment
  UC203678  Ceanothus integerrimus A. A. Heller 1914-4-16 11293 Butte 8 mi from Chico (on the Chico-Centerville rd) Comment
  SEINET13945814 Image available Ceanothus cuneatus T. A. Ranker, P. G. Trapp 1994-1 1618 Butte Pence Road, S of Paradise, Cherokee Quad (7.5 min TOPO map); ca 1300 ft alt., T21N R4E SEC6 396 Comment
  CAS-BOT-BC53778  Frangula rubra Lowell Ahart 1989-5-29 6311 Butte About 1 mile north-east of Forbestown Road, about 2 1/2 miles north-east of Forbestown 822 Comment
  CAS-BOT-BC55651  Frangula purshiana A. A. Heller 1913-6-7 10821 Butte West Branch of the North Fork of the Feather river near Stirling 914 Comment
  CHSC1522  Frangula rubra 1954-5-30 Butte Kimshew, Rag Dump 5, out from Stirling. 975 Comment
  CHSC48838  Frangula rubra subsp. obtusissima Vernon Oswald 1985-6-3 1799 Butte Spur road on the e side of Hwy 32 0.1 mi s of Platte Mtn Lookout. 1066 Comment
  HSC104024  Frangula californica subsp. tomentella L. P. Janeway 2012-6-23 10884 Butte Southwestern spur of Rocky Ridge, 0.6 air km. south of Batchelor Point; along Forest Service Rd. 23N06E, 0.8 km SE of Rim Road/Ponderosa Way. 895 Comment
  CHSC29815  Rhamnus ilicifolia M. S. Taylor; J. D. Jokerst 1979-10-13 2259 Butte On Jordan Hill Rd, ca. 4.8 mi n of its jct with Concow Rd, ca. 2 mi e of Paradise. 609 Comment
  CHSC86433  Rhamnus tomentella subsp. tomentella Jenny Marr 1994-6-13 88 Butte Located in Northern Sierra Nevada, north of the town of Magalia, on an exposed serpentine outcrop belonging to LNF. Site approx. 0.3 air miles north of Magalia Reservoir. 759 Comment
  CHSC92537  Rhamnus tomentella subsp. tomentella L. P. Janeway; Matt Brown, Chris Christofferson 2005-5-3 8375 Butte Northern High Sierra Nevada. Plumas National Forest; along east side of Concow Road 110 m north of the side road to top of Sawmill Peak; 970 m east of the Lookout Tower; 2.7 km east of Magalia. Ridgetop. 954 Comment
  RSA518944  Rhamnus tomentella subsp. tomentella J. T. Howell 1959-9-20 34701 Butte Feather River Hwy 5.9 miles below W Branch bridge. Comment
  UC80208  Rhamnus tomentella subsp. tomentella Mrs. R. M. Austin 1895-2 694 Butte Little Chico Creek Comment
  UC870831  Rhamnus ilicifolia A. A. Heller 1915-4-20 11847 Butte 2 mi below Centerville (in the Sierra foothills); Sierra Comment
  CDA35703  Rhamnus californica subsp. californica L. Ahart 2002-6-2 9679 Butte South of the intersection of Black Bart Road and Forbestown Road, about 3 miles (air) southwest of Forbestown. Comment
  NY43526  Agrimonia gryposepala S. Bianco 1995-8-30 1023 Butte NE margin of Concow Lake, near Hoffman Rd, off Concow Rd 670 Comment
  CHSC48841  Amelanchier utahensis Vernon Oswald; Lowell Ahart 1987-8-5 3193 Butte Scotts John Creek 1.3 mi n of the road connecting Humboldt and Humbug roads. 1813 Comment
  POM220123  Amelanchier pallida H. F. Copeland 1928-8-18 459 Butte Neighborhood of Jonesville, woods close to Butte Creek 1524 Comment
  RSA32886  Amelanchier pallida A. A. Heller 1939-4-26 15383 Butte Edge of thickets near the river at the foot of the Grade leading down from stirling City Comment
  CHSC28753  Aphanes occidentalis J. D. Jokerst 1979-3-18 172 Butte 200 met. N.W. of Hwy 32, 7.7 mi. E. of Chico, top of ridge. 365 Comment
  CHSC42213  Aphanes occidentalis L. P. Janeway; C. A. Janeway 1987-3-7 1953 Butte In Bidwell Park, Chico. Along North Rim Tr north-west of Horseshoe Lake. 144 Comment
  RSA716512  Aphanes occidentalis L. Ahart 2005-3-17 11660 Butte 50 yards S of the fence, on the E side of very poor dirt road, 1/8 mile NW of Indian Cave, 3/4 mile W of Big Chico Creek, about 4.5 miles (air) NE of Chico Comment
  CAS-BOT-BC454511  Aphanes occidentalis Lowell Ahart 1983-4-7 3968 Butte Peter Ahart Ranch, about 1 1/2 miles north and 2 1/8 miles east hof Honcut 50 Comment
  CAS-BOT-BC137000  Cercocarpus betuloides var. betuloides Lowell Ahart 1961-3-16 s.n. Butte Salmon Hole, Chico 300 Comment
  CHSC27207  Cotoneaster horizontalis P. Moyer 1971-11-7 55 Butte Front of Admin. Bldg. 60 Comment
  CHSC82274  Cotoneaster lacteus M. MacArthur 1968-6-16 332 Butte NW side of Aymer Jay Hamilton School, Chico State College campus. 60 Comment
  JEPS115259  Cotoneaster pannosus Lowell Ahart, John Dittes, Josephine Guardino 2008-11-8 15420 Butte On the south side of Cedar Grove, Lower Bidwell Park, Chico 67 Comment
  UC1586403  Cotoneaster pannosus Lowell Ahart 1991-6-19 6661 Butte along the Dan Beebe Trail in Lake Oroville Recreation Area, between Canyon Drive and Oroville Dam Blvd East, southwest of Orovillle Dam. 213 Comment
  SEINET10483806  Crataegus oxyacantha Mary Susan Taylor 1975-5-24 Taylor 769 Butte Lower Bidwell park, between Cork Oak Grove and Cypress Grove Picnic Area, Chico. 61 Comment
  UC859896  Drymocallis glandulosa A. A. Heller 1914-5-18 11411 Butte near Forest Ranch; west slope of the Sierra 731 Comment
  CHSC100467  Eriobotrya japonica Lowell Ahart; John Dittes, Josephine Guardino 2008-11-8 15419 Butte On the west side of Cedar Grove, Lower Bidwell Park, Chico. 67 Comment
  RSA4661  Fragaria virginiana subsp. platypetala E. B. Copeland 1929-7-16 373 Butte Jonesville. 1550 Comment
  UCD113236  Fragaria vesca L. E. Hazeltine 1916-7-16 s.n. Butte Appleton. Comment
  CAS-BOT-BC454524  Fragaria vesca subsp. californica M. S. Taylor 1980-4-1 2421 Butte Along S side of Butte Creek, ca. 1/4 mile downstream from Honey Run covered bridge, ca. 6 miles E of Chico. 121 Comment
  CAS-BOT-BC143631  Heteromeles arbutifolia Sally Bianco 1995-11-3 1050 Butte 0.25km N of Concow School on S end of Concow Rd. 549 Comment
  CHSC43124  Horkelia tridentata subsp. flavescens L. P. Janeway 1987-5-28 2113 Butte Edge of ridge at Coyote Gap F.S. Station. 1325 Comment
  CAS-BOT-BC537883  Horkelia tridentata var. flavescens F. N. Bassett 1923-6-16 s.n. Butte Jonesville Comment
  UCD113567  Horkelia tridentata var. flavescens L. P. Janeway 1987-6-26 2297 Butte At Rag Dump. 1173 Comment
  CHSC105822  Potentilla gracilis var. fastigiata Lowell Ahart 2010-9-28 17253 Butte About 20 yards west of Big Kimshew Creek, about 100 yards east of the poor dirt road, about 1-1/2 miles (air) northeast of Jones Meadow, about 2-1/2 miles (air) southeast of Philbrook Reservoir. 1886 Comment
  CHSC45739  Potentilla glandulosa subsp. ashlandica L. P. Janeway 1987-6-27 2366 Butte Near creeklet on E slope of Bald Mtn. 1706 Comment
  CHSC45740  Potentilla glandulosa subsp. ashlandica L. P. Janeway 1987-6-19 2224 Butte Along Sly Cr at crossing of rd to SE side of Sly Cr Reservoir, 2.1 mi from the Challenge-LaPorte Rd. Cyn bottom near the cr. 1097 Comment
  CHSC110110  Prunus cerasifera L. P. Janeway 2012-5-2 10815 Butte Sacramento Valley. City of Chico; Lower Bidwell Park, north side Big Chico Creek between creek and Vallombrosa Ave near Crister Ave. 62 Comment
  CHSC38647  Prunus dulcis Vernon Oswald 1983-3-5 113 Butte Upper Bidwell Park, Chico, between the Horse Arena and Lindo Channel. 79 Comment
  CHSC70838  Prunus cerasifera Vernon Oswald 1998-4-12 8902 Butte Upper Bidwell Park (new addition), Pine Trail between the trailhead on Hwy. 32 opposite Santos Rd. (between Chico and Forest Ranch) and South Rim Trail. 441 Comment
  LA208651  Prunus virginiana var. demissa A. A. Heller; 1916-4-13 12320 Butte Stilson Canon E of Chico Comment
  POM89316  Prunus subcordata C. C. Bruce 1897-05 1813 Butte Butte Creek. Comment
  CHSC102197  Rosa pisocarpa subsp. ahartii Barbara Ertter; Lowell Ahart 2007-6-23 19074 Butte Black Bart Road 1.3 miles from lower junction with Forbestown Road, ca 10 airmiles ESE of Oroville. 655 Comment
  CHSC109630  Rosa multiflora Lowell Ahart 2012-5-14 18060 Butte North side of Big Chico Creek, just east of the bridge across Big Chico Creek, Manzanita Avenue, Middle Bidwell Park, Chico. 79 Comment
  CHSC39356  Rosa gymnocarpa L. Ahart; P. Ahart 1983-9-21 4464 Butte Along French Creek, ca. 3 mi n of the Sly Creek Dam, n of Strawberry Valley. 900 Comment
  CHSC82390  Rosa pisocarpa subsp. ahartii Lowell Ahart 2002-6-2 9680 Butte On the north side of Black Bart Road, and 1 1/2 miles east of the intersection of Forbestown Road and Black Bart Road, about 12 miles (air) southeast of Oroville. Along the road. 548 Comment
  CHSC93959  Rosa pisocarpa R. D. Fischer 2004-6-20 756 Butte Sierra Nevada Mountains, north-east corner of Butte County and ca. 4 miles north of Butte Meadows off Scout Road. Boy Scout Camp. Plants collected off a dirt road running on the east side and parallel to Chico Meadows. 1371 Comment
  JEPS103551  Rosa pisocarpa subsp. ahartii Lowell Ahart 2002-6-2 9680 Butte N side of Black Bart Road, 1 1/2 mi E of int. of Forbestown Rd and Black Bart Rd, 12 air mi SE of Oroville 548 Comment
  JEPS114899  Rosa pisocarpa subsp. ahartii Lowell Ahart 2008-5-30 14799 Butte bottom of an old gold mined area, about 350 yds SW of the cemetary, about 50 yds N of Oregon Gulch, about 10 mi (air) NE of Oroville 305 Comment
  JEPS118337  Rosa californica Lowell Ahart 2011-8-17 17622 Butte On the east side of Big Chico Creek, about 40 yards west of Ten Mile House Road, about 3/4 mile (air) northeast of Chico 197 Comment
  UC1862495  Rosa pisocarpa subsp. ahartii Barbara Ertter with Lowell Ahart 2006-8-1 18750 b Butte Black Bart Road 1.3 mi from lower junction with Forbestown Road, ca 10 airmiles ESE of Oroville 655 Comment
  CAS-BOT-BC147105  Rubus glaucifolius A. A. Heller 1914-7-23 11618 Butte On the borders of Chico Meadows 1219 Comment
  CAS-BOT-BC147199  Rubus parviflorus Clarence R. Quick 1952-7-1 52 -124 Butte Mill Creek Road between Feather River Canyon and Coyote Gap Comment
  CAS-BOT-BC147358  Rubus pensilvanicus John Thomas Howell 1962-6-15 37451 Butte Magalia 731 Comment
  CAS-BOT-BC156608  Rubus bifrons Lowell Ahart 1984-6-10 4716 Butte About 1/2 mile south-east of the Forbestown Diversion Dam, north-east of Forbestown 450 Comment
  CAS-BOT-BC156612  Rubus bifrons Lowell Ahart 1982-9-29 3835 Butte Near Pinkard Creek, about 1/10 mile north of the Lost Creek Res. Dam, about 2 and 1/10 miles north-west of Strawberry Valley 1100 Comment
  CHSC23700  Rubus parviflorus M. S. Taylor 1976-5-5 1112 Butte Along creek, ca. 5 ft s of Hwy 70, ca. 20 me ne of Oroville. Comment
  CHSC45816  Rubus ursinus L. P. Janeway 1988-4-10 2618 Butte Butte Cyn; below Centerville Rd (Humbug Rd) 1.0 mi NE of Honey Run Rd. Near the cr. 115 Comment
  CHSC45821  Rubus armeniacus L. P. Janeway 1987-6-20 2256 Butte S Fk Feather R at crossing of rd from Lumpkin Ridge to Moorville Ridge, 3.3 mi from the Feather Falls-Lumpkin Ridge Rd. Along rd on S side of river. 975 Comment
  CHSC48876  Rubus ursinus Vernon Oswald 1987-4-6 2308 Butte Butte Creek Reserve on the n side of Butte Creek ne of the Skyway. 80 Comment
  CHSC6656  Rubus armeniacus M. MacArthur 1968-6-17 167 Butte SW side of Big Chico Creek near Life Science bld., Chico State College campus. 60 Comment
  POM193375  Rubus parviflorus E. B. Copeland 1930-7-16 419 Butte Jonesville. 1600 Comment
  UCD166759  Rubus praecox Marcel Rejmanek 2016-10-6 2162 a Butte By Richvale East Rd, right before the intersection with Highway 99. 35 Comment
  POM91605  Rubus vitifolius C. C. Bruce 1898-05 1793 Butte One valley, two mountains. Comment
Read comments
Mar 5 2011
  SEINET10483578  Rubus laciniatus Lowell Ahart, Peter Ahart 1984-6-10 Ahart 4696 Butte About 2 mi SW of Forbestown Diversion Dam, NE of Forbestown; Yellow Pine Forest; 700 m. 700 Comment
  UC481512  Sorbus scopulina var. cascadensis H. F. Copeland 1924-8-10 886 Butte Jonesville Comment
  JEPS110088  Spiraea douglasii Lowell Ahart 2006-8-15 13184 Butte East part of a large meadow with bogs, 15 yards west of Willow Creek, about 100 yards southeast of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows 1569 Comment
  POM181777  Spiraea douglasii H. F. Copeland 1927-9-3 447 Butte Jonesville. Comment
  SBBG128718  Spiraea douglasii L. Ahart 2013-7-1 18813 Butte ca. 150 yards E of the intersection of Forbestown Rd and Black Bart Rd, ca. 3.25 mi SW of Forbestown 737 Comment
  CAS-BOT-BC222895  Cephalanthus occidentalis Richard R. Halse 2006-8-1 6976 Butte Chico; in the Lindo Channel Greenway where it crosses under Mangrove Ave. 92 Comment
  CDA38238  Cephalanthus occidentalis G. F. Hrusa, S. Dubiel 2012-9-9 18508 Butte Sierra Nevada; Banks of Feather River, 2 miles downstream from Thermalito afterbay. 30 Comment
  CHSC111743  Cephalanthus occidentalis Lowell Ahart 2012-7-5 18278 Butte On the south edge of Big Chico Creek, at Table 11, east of the Deer Pen, Lower Bidwell Park, Chico. 74 Comment
  CHSC27271  Galium aparine P. Moyer 1972-4-9 159 Butte CSUC Campus. S bank of Chico Ck., W of Warner St. Bridge. 60 Comment
  CHSC28493  Galium bolanderi M. S. Taylor 1979-7-22 2168 Butte Pulga bridge, on N side of trail leading from NE side of Pulga bridge over Hwy 70, ca. 27 mi N of Oroville. 487 Comment
  CHSC35118  Galium porrigens var. tenue S. Posner 1972-10-12 Butte Bidwell Park, across from golf couse, near firing range, Chico. Comment
  CHSC4192  Galium aparine L. R. Alexander 1967-4-7 14 Butte Found in abundance ca. 75 yds. S of covered bridge on Humbug Rd. 91 Comment
  CHSC54349  Galium tricornutum Lowell Ahart 1991-5-8 6649 Butte Peter Ahart Ranch, about 2 1/4 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville. 36 Comment
  CHSC55406  Galium porrigens var. tenue Charlie Crannell 1991-4-22 9 Butte 10.4 mi NE of Chico near Hwy 32. 243 Comment
  CHSC75302  Galium parisiense Lowell Ahart 1999-5-24 8076 Butte Butte County Historical Society museum, 2335 Baldwin Avenue, Oroville. 60 Comment
  JEPS107756  Galium divaricatum Lowell Ahart 2005-5-11 11797 Butte On the bottom of a small vernal pool, south part of North Table Mountain, about 300 yards northwest of the poor dirt road off of Cherokee Road, about 200 yards south of the rim into Beatson Hollow, about 7 miles (air) north of Oroville 354 Comment
  JEPS98587  Galium parisiense Lowell Ahart 2000-6-27 8524 Butte Seepy area, north part of Big Bald Rock, area is about 100 yards south and west of the north and east forest line, about 3 miles (air) east of Madrone Lake, about 12 miles (air) northeast of Oroville. 963 Comment
  POM193333  Galium triflorum E. B. Copeland 1930-7-15 472 Butte Jonesville. 1500 Comment
  POM68690  Galium aparine var. echinospermum C. C. Bruce 1897-06 1955 Butte Chico. Comment
  RSA713006  Galium aparine L. Ahart 2006-5-8 12597 Butte 50 yards E of the fence and reservoir, 2.25 miles W of the parking area, cow chute, and Cherokee Road, N Table Mtn, 7 miles air N of Oroville. 296 Comment
  SD4933  Galium trifidum subsp. columbianum E. B. Copeland 1930-7-6 475 Butte Jonesville, north slope, under melting snowbank 2000 Comment
  RSA325160  Galium bolanderi M. S. Taylor 1981-5-5 3611 Butte W side of spur rd. Ca 1.5 air miles NW of its jct with Bryant Ravine Rd (21N35Y). Ca 1 air miles N of Feather Falls community. 793 Comment
  SEINET10500744  Galium sparsiflorum subsp. glabrius Mary Susan Taylor 1980-9-12 Taylor 3332 Butte T24N R3E nw sec 21, Paradise quad. W side of Hwy 32, ca. 3 mi N of Forest Ranch, near Forest Ranch Fire Control Station; Yellow PIne Forest. 975 Comment
  CHSC113507  Kelloggia galioides Lowell Ahart 2014-7-16 19682 Butte Northeast of a large wet meadow (some bog), about 60 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir. 1638 Comment
  CHSC3154  Sherardia arvensis Dona Kingsford 1966-5-21 Butte 0.5 miles SW of 4th street entrance to Bidwell Park, Chico. Comment
  CHSC88079  Ptelea crenulata R. D. Fischer 2004-5-2 164 Butte Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Located along Annie Bidwell Trail between old cabin site (picnic table) and the open grassland of the Big Chico Creek canyon bluffs. 403 Comment
  RSA0047080  Ptelea crenulata L. Ahart 2012-4-30 17931 Butte Both sides of South Rim Trail, about 0.5 miles southwest of the old homestead, pond, and Ten Mile House Road, about 0.75 miles west of Highway 32, about 8 miles northeast Chico, south part of Upper Bidwell Park. 256 Comment
  CAS-BOT-BC102691  Populus tremuloides A. A. Heller 1928-7-25 14699 Butte Along the forest service trail between Jonesville and Butte Creek House Comment
  CAS-BOT-BC125178  Salix lasiandra var. lasiandra A. A. Heller 1914-7-23 11594 Butte On the headwaters of Chico Creek in Chico Meadows 1219 Comment
  CAS-BOT-BC129584  Salix lasiolepis var. lasiolepis A. A. Heller 1919-5-17 13164 Butte Banks of the Feather River near Stirling in the yellow pine and oak belt. Comment
  CAS-BOT-BC129905  Salix bonplandiana John Thomas Howell; Gordon H. True; Lewis S. Rose 1968-6-12 4294 Butte Feather River Canyon near Pulga Bridge 609 Comment
  CHSC101146  Salix laevigata Lowell Ahart 2009-5-15 15687 Butte On the east side of Big Chico Creek, about 50 yards west Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west Highway 32, about 10 miles northeast of Chico. 203 Comment
  CHSC102728  Salix lasiolepis var. lasiolepis 2009-6-19 Butte On the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. 203 Comment
  CHSC108820  Salix babylonica Lowell Ahart; John Dittes, Josephine Guardino 2012-4-6 17804 Butte On the north side of Big Chico Creek, Lost Park in Bidwell Park, city of Chico. 60 Comment
  CHSC108871  Salix gooddingii Lowell Ahart 2012-3-23 17794 Butte Spring like area at the old homestead, about 30 yards southwest of the intersection of south rim Trail and Ten Mile House Road, about 5/8 mile west of Highway 32, about 9 miles (air) northeast of Chico. 259 Comment
  CHSC109067  Salix exigua var. hindsiana Lowell Ahart 2012-4-20 17888 Butte On the east side of Big Chico Creek, about 20 yards west of the trail, about 200 yards west of Ten Mile House Road, about 3/4 mile west of Highway 32, about 9 miles northeast of Chico, south part of Upper Bidwell Park. 203 Comment
  CHSC11988  Salix scouleriana E. B. Copeland 1931-7-30 624 Butte Jonesville. 1550 Comment
  CHSC34210  Salix melanopsis J. D. Jokerst; L. Ahart 1981-9-26 1480 Butte 5 mi W of Chico at Bidwell River State Park (Chico Landing). Comment
  CHSC35988  Salix gooddingii J. D. Jokerst; R. A. Schlising, L. Ahart 1982-5-8 1559 Butte 2.5 airline miles E of Forbestown, Road to Forbestown Resv. At this Jct. With unnamed creek. Comment
  JEPS119562  Salix exigua var. hindsiana Lowell Ahart 2012-6-28 18237 Butte On the north side of Big Chico Creek, east of Sycamore Pool, Lower Bidwell Park, Chico. Comment
  JEPS119596  Salix laevigata Lowell Ahart 2012-4-9 17848 Butte About 50 feet east of South Rim Trail, south part of Upper Bidwell Park, about 2 1/2 miles (air) northeast of Chico. Comment
  POM166819  Salix melanopsis E. B. Copeland 1903-7-27 3491 Butte Chico. Butte Creek. Comment
  POM219072  Salix ligulifolia E. B. Copeland 1931-6-9 621 Butte Jonesville. Near the head of N Willow Creek. 1550 Comment
  RSA4404  Salix eastwoodiae E. B. Copeland 1931-6-11 617 Butte Jonesville. Kirby's Meadow. 1750 Comment
  UC446428  Salix ligulifolia E. B. Copeland 1931-6-18 Butte highest Willow Creek meadow Jonesville; , Willow Creek 1550 Comment
  CAS-BOT-BC331608  Acer macrophyllum A. A. Heller 1921-3-28 13536 Butte Chico Comment
  CHSC111727  Acer negundo Lowell Ahart 2012-6-21 18222 Butte About 25 yards west of the Freeway, 70 yards south of Big Chico Creek, Lower Bidwell Park, Chico. 62 Comment
  CHSC20504  Acer saccharinum M. S. Taylor 1975-5-6 555 Butte Ca. 100 ft e of Little Cafeteria, on s side of Big Chico Creek, California State University, Chico. 60 Comment
  UC109199  Acer negundo var. californicum Mrs. R. M. Austin May 1883 262 Butte w Chico (Sacramento River); , w of Chico Comment
  CHSC3136  Aesculus hippocastanum Gary Dutton 1966-4-13 204 Butte Found on C. S. C. north side of Add. Bld. Comment
  CAS-BOT-BC432268  Lithophragma campanulatum A. A. Heller 1915-6-10 11955 Butte Little Summit in the Sierra Nevada 1371 Comment
  CHSC11075  Lithophragma bolanderi Lowell Ahart 1968-3-13 Butte Peter Ahart Ranch, Honcut. 42 Comment
  CHSC28033  Lithophragma parviflorum J. D. Jokerst 1979-3-18 171 Butte 200 yds off Hwy 32, 3 mi e of Chico. Comment
  CAS-BOT-BC428445  Lithophragma trifoliatum Junea Kelley 1920-4-24 s.n. Butte Los Verjils Comment
  CAS-BOT-BC432271  Lithophragma campanulatum Mary E. Wall 1935-4-14 s.n. Butte Between Cherokee & Oregon City Comment
  POM92061  Lithophragma bolanderi C. C. Bruce 1897-03 1842 Butte [No further location information] Comment
  CHSC108868  Micranthes nidifica Lowell Ahart 2012-3-23 17779 Butte In a small meadow opening in brush, about 100 yards south of the intersection of Guardian Ten Mile House Road, about 1/4 mile west of Highway 32, about 9 miles (air) northeast of Chico. 437 Comment
  CHSC44352  Micranthes nidifica Lowell Ahart 1988-3-28 5949 Butte Along a small stream, about 1/10 mile south of Lumpkin Ridge Road, about 1 1/2 miles east of Camp 18, about 8 miles east of Feather Falls. 1280 Comment
  CHSC81305  Micranthes integrifolia J. Trizzino 2001-2-22 5 Butte North side of Humboldt Road, ca 0.5 mi east of intersection with Bruce Road. 112 Comment
  CAS-BOT-BC436857  Saxifraga Lowell Ahart 1975-4-2 s.n. Butte Peter Ahart Ranch, Honcut 45 Comment
  CHSC1672  Saxifraga californica D. Stover 1929-3-15 Butte Bidwell Park. 91 Comment
  POM354597  Saxifraga marshallii M. M. Boney 1897-1 s.n. Butte [No locality information provided] Comment
  UC600619  Saxifraga odontoloma H. F. Copeland 1932-8-19 Butte se of head of Butte Creek; Jonesville, Butte Creek 2100 Comment
  SEINET10483041  Saxifraga californica Mary Susan Taylor Taylor 990 Butte Bidwell Park, Chico. Comment
  CHSC12405  Tellima grandiflora Lowell Ahart 1973-5-31 Butte Near Little North Fork, Feather River. 1066 Comment
  CAS-BOT-BC445890  Tellima grandiflora A. A. Heller 1919-5-18 13173 Butte Mosquito creek between Appleton and Coutelence. Comment
  CHSC112705  Limosella acaulis Lowell Ahart 2013-10-26 19218 Butte South side of Philbrook Creek, below the high water line (strand) of Philbrook Reservoir. 1681 Comment
  CHSC50688  Limosella acaulis Lowell Ahart 1990-4-23 6464 Butte About 1/2 mile east of Larkin Road, about 1 mile south of the Oroville Airport. 45 Comment
  JEPS104427  Scrophularia californica subsp. floribunda Lowell Ahart 2003-4-10 10087 Butte Under the government pole line, below the south rim of South Table Mountain, ca 1 3/4 mi n of Oroville. 211 Comment
  SEINET10548805  Scrophularia californica Mary Susan Taylor 1975-2-16 Taylor 372 Butte Ca. 1/4 mi W of Pentz-Magalia Hwy, ca. 5 mi S of Paradise, in vicinity of Lime Saddle Reservoir. Foothill Woodland. Comment
  CHSC30295  Selaginella wallacei M. S. Taylor 1980-5-27 2666 Butte Big Bald Rock. 996 Comment
  CHSC96139  Selaginella hansenii Lowell Ahart 2007-2-24 13583 Butte At and below the high water line on the west side of North Honcut Creek, on and around metavolcanic rock, Peter Ahart Ranch, about 3/4 mile north and 2 2/3 miles east of Honcut, about 12 miles southeast of Oroville. 53 Comment
  JEPS113224  Selaginella wallacei Lowell Ahart 2007-5-29 13930 Butte On the east side of Bald Rock Dome, on the west side of the Dome Trail, trail leads to the Middle Fork of the Feather River, about 1 3/4 miles by the trail from the trail head which is 3/10 mile east of Bean Creek Road, about 2 miles (air) northeast of Bi 585 Comment
  SEINET10530445  Selaginella wallacei Mary Susan Taylor 1980-5-27 Taylor 2666 Butte T21N R6E sc sec 30. Big Bend quad. On Big Bald Rock, ca. 3 mi E of Lake Madrone; Yellow Pine Forest, large granite dome 998 Comment
  CHSC78714  Ailanthus altissima L. P. Janeway; B. Castro 2000-5-9 6713 Butte Sacramento Valley. South side of Chico; backyard of house on south side of 19th Street between Park Avenue and Salem Street. 60 Comment
  SEINET3893523  Smilax californica H. F. Copeland 1929-5-4 1125 Butte Canyon of Chico Creek.; 0 Comment
  CHSC87109  Datura stramonium L. P. Janeway 2003-9-4 7975 Butte Northern Sierra Nevada Foothills. East side of Lake Oroville (North Fork Feather River), 150 m north-northwest of Foreman Boat-in Campground, 850 m west-southwest of Foreman Creek. 10-12 m below high water line. 265 Comment
  SEINET10546583  Datura meteloides Lowell Ahart 1985-9-14 Ahart 5167 Butte On dry red soil on the east side of a building, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville. Comment
  SEINET12332637  Leucophysalis nana L. P. Janeway, Schlising, R. A. 1988-1 2918 Butte just NW of Summit Lake 1951 Comment
  CHSC49437  Nicotiana glauca Vernon Oswald 1987-5-3 2371 Butte Rancho Bosquejo. East side of the Sacramento River at the w end of Cana Hwy (Feenstra's Riverview Orchard). 48 Comment
  JEPS120593  Nicotiana acuminata var. multiflora Lowell Ahart 2013-11-18 19279 Butte Below the high-water line of Lake Oroville, about 200 yards east of the boat ramp at the end of Stringtown Road, about 2.5 air miles northeast of Hurleton. Comment
  CAS-BOT-BC156833  Solanum umbelliferum A. A. Heller 1915-4-12 11814 Butte Hills 14 miles northeast of Chico near Rock Creek Comment
  UC104231  Solanum umbelliferum Mrs. R. M. Austin May 1896 140 Butte Little Chico Creek Comment
  CAS-BOT-BC157520  Solanum umbelliferum E. D. Cantelow 1940-5-10 4486 Butte W. of Brush Creek Ranger Sta. Comment
  CDA35762  Solanum rostratum J. R. Keck Jr., L. Adams 1978-10-26 PDR# 330072 Butte Chico; Rancho Llano Seco. 0 Comment
  SEINET10546684  Solanum parishii Mary Susan Taylor 1975-4-26 Taylor 507 Butte Kunkle Reservoir, ca. 500 yds E of Pentz-Magalia Hwy, ca. 1 m SE of Paradise. With Orthocarpus erianthus, Centaurea solstitus, Lupinus bicolor, Typha latifolia. 610 Comment
  CHSC62907  Tamarix gallica Vernon H. Oswald 1994-4-8 6088 Butte Along Mud Creek at the intersection of Cohasset and Richardson Springs roads, N of Chico. 91 Comment
  CAS-BOT-BC81332  Taxus brevifolia Lowell Ahart 1985-7-9 5115 Butte along the banks of Fall River, about 100 yards south of the bridge across Fall River, about 1/2 mile west of Lumpkin 914 Comment
  CHSC42501  Taxus brevifolia Lowell Ahart 1987-5-22 5682 Butte Near a dirt road, about 1/8 mile north-east of Feather Falls. 1219 Comment
  SEINET10471597  Taxus brevifolia Austin AUSTIN 755 Butte Mountains north of Chico, Butte County. Comment
  CHSC28909  Torreya californica M. S. Taylor 1980-2-17 2354 Butte On s side of Forbestown Rd, ca.3 mi w of Forbestown. 609 Comment
  NY17652  Torreya californica A. A. Heller 1914-6-24 11515 Butte This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CHSC110260  Odontostomum hartwegii L. P. Janeway 2012-6-2 10834 Butte Northern High Sierra Nevada. Plumas National Forest; eastern slope of Bloomer Hill, 1.0 air km east of the top. 701 Comment
  CHSC38882  Odontostomum hartwegii Vernon Oswald 1983-4-25 392 Butte Upper Bidwell Park, Chico, on the north slope of Horseshoe Lake. 109 Comment
  JEPS22684  Odontostomum hartwegii Rimo Bacigalupi with Drs. Herbert and Lucille Mason 1958-4-24 6323 Butte 1 mi. n. Chico airport (along Cohasset Rd., drainage of Mud Creek) 91 Comment
  SEINET8501843  Odontostomum hartwegii C. Witham, J. Buck 2001-5-3 182 Butte Book Family Farm, off of Hwy 99, 2 miles N of its intersection with Hwy 149, Book Ranch Site, pool # BOO072. Comment
  SEINET12342943  Odontostomum hartwegii Unknown 1936-1 13408 Butte along Mud Creek near Chico Comment
  CAS-BOT-BC77719  Thelypteris nevadensis Lowell Ahart 1981-9-15 3154 Butte One half mile N of the Lost Creek Reservoir 1100 Comment
  CHSC100803  Brodiaea minor R. A. Schlising; P. Broyles 1988-7-3 4571 Butte SE of Stirling City at Flea Valley; dry edge of grassy meadow and at roadside. 1118 Comment
  UCD139145  Brodiaea californica H. A. Hannesson; R. N. Raynor 1941-5-9 s.n. Butte 4 miles N of Gridley. Comment
  UCD77126  Brodiaea coronaria Robert E. Preston 2003-5-11 2130 Butte Ca. 2.25 mi W of Pentz, along Pentz Rd, ca. 0.5 mi E of Clark Rd. 97 Comment
Read comments
Jun 17 2014
  UCD78203  Brodiaea sierrae Robert E. Preston 2004-6-19 2260 Butte 1 mi NNE of Magalia, 250 ft S of Jordan Hill Rd where it crosses North Fork of the West Branch of the Feather River 486 Comment
  CAS-BOT-BC482197  Brodiaea elegans subsp. elegans Lowell Ahart 1983-6-26 4146 Butte Along Ponderosa Way, about 1/2 mile south of the East Fork of Canyon Creek, about 13 1/2 miles north-east of Oroville 550 Comment
  HSC31885  Brodiaea minor R. A. Vanbianchi 1974-4-20 217 Butte 300 yds. S of intersection of Pentz and Clark Rds. Comment
  SEINET10896168  Brodiaea Carl B. Wolf 1937-6-12 Wolfe 2849 Butte Sierra Nevada Foothills, 2 1/2 miles SE of Oroville on road to Wyandotte. 300 feet. Upper Sonoran:-Quercus douglas & P. sabiniana. Red clay, dry open slopes, sun. Comment
  UC3332  Brodiaea minor Carl Purdy 1821-1 Butte Comment
  CDA13865  Dichelostemma multiflorum G. F. Hrusa, T. D. Wilfred 1997-5-7 13723 Butte Sierra Nevada; SSE slope above Little Butte Creek, N of Magalia. Immed. E of Holmwood Drive. Comment
  CHSC30355  Dichelostemma capitatum subsp. capitatum J. D. Jokerst 1979-2-23 1134 Butte Top of North Table Mt., W edge of Mountain adjacent to the waterfall at the S branch of Coal Cr. Comment
  UC203548  Dichelostemma multiflorum A. A. Heller 1914-5-19 11421 Butte 8 mi n Oroville (near Table Mountain) Comment
  CAS-BOT-BC500055  Dichelostemma capitatum Ahart; Jokerst 1985-3-24 4864 Butte West of Lunt Road, about 1/2 mile north of the intersection of Lunt Road and Highway 70, north of Yankee Hill. 550 Comment
  CAS-BOT-BC501094  Dichelostemma multiflorum David D. Keck 1933-5-31 2417 Butte 5 miles east of Oroville on road to Bangor Comment
  POM109922  Dichelostemma multiflorum C. C. Bruce 1897-06 2120 Butte Fields near Chico. Comment
  CHSC2089  Triteleia ixioides subsp. scabra R. Carter 1964-3-28 69 Butte 105 yds. W of Bidwell Bar bridge on N side of river. 121 Comment
  CHSC25015  Triteleia ixioides subsp. anilina E. B. Copeland 1929-7-15 351 Butte Jonesville. 1550 Comment
  CHSC2816  Triteleia laxa David Prall 1965-3-14 5 Butte Ca. 30 yds. South of Neal Rd., 1 mile east of Highway 99E. 106 Comment
  CHSC30976  Triteleia hyacinthina Roberta A. Boer 1980-4-13 8 Butte Ca. 1/4 mi w of Foothill Blvd. And 2.7 mi se of jct of Olive Hwy and Foothill Blvd., ca. 3.5 mi se of Oroville. 121 Comment
  CHSC49485  Triteleia ixioides subsp. anilina Vernon Oswald 1984-6-11 1276 Butte Humboldt Rd. between Lomo and Butte Meadows, 2.0 mi ne of Hwy 32. 1380 Comment
  CHSC64680  Triteleia bridgesii H. H. Schmidt; M. Merello, L. Woodruff 1993-6-15 857 Butte Plumas National Forest on state road 23N06 1.5 miles N of the junction with highway 70. 880 Comment
  CHSC89853  Triteleia bridgesii L. P. Janeway; B. Castro 2004-6-13 8131 Butte Northern High Sierra Nevada. Along Old Forbestown Road 2.5 road km southeast of Forbestown Reservoir Road; 3.6 air km east of Forbestown; near headwaters of Costa Creek. South-facing slopes. 829 Comment
  JEPS115582  Triteleia bridgesii Lowell Ahart 2009-5-15 15707 Butte On the east side of Big Chico Creek, on the east side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico 234 Comment
  UC421860  Triteleia lilacina Francis Ramaley 1917-5-6 11208 Butte chico Comment
  UCD139312  Triteleia hyacinthina H. A. Hannesson; R. N. Raynor 1941-5-9 s.n. Butte 4 miles north of Gridley. Comment
  CAS-BOT-BC521216  Triteleia bridgesii A. A. Heller 1914-5-8 11379 Butte Clear Creek-Paradise grade. Near Clear creek school house in the Quercus Douglasii belt. Comment
  CAS-BOT-BC523065  Triteleia ixioides subsp. anilina Mrs. J. H. Morrison 1932-7-1 s. n. Butte Mountains above Durham Comment
  SEINET10472657  Triteleia hyacinthina Mary Susan Taylor 1980-5-27 Taylor 2713 Butte T21N R6E nw sec 29. Big Bend quad. Little Bald Rock, ca. 3 mi S of Brush Creek; granitic dome within Yellow Pine Forest. 1016 Comment
  SEINET10533908  Triteleia lilacina Silveira 1982-4-27 Silveira 9 Butte Small population, 270 m ene of old dump site, 0.8 km n of Little Chico Creek, 1.9 km e of Chico. Valley Grassland at the border of Foothill Woodland. 100 Comment
  SEINET12046114  Triteleia hyacinthina Unknown 1978-1 14 Butte 75 m W of Larkin Rd at jct of Larkin Rd & E entrance to Thermalito Afterbay, ca 14.5 km N of Gridley 7 Comment
  SEINET12046808  Triteleia hyacinthina Unknown 1978-1 9 Butte Old Chico Dump, 100 ft N of Humbolt Rd, ca 0.5 mi from jct of Humbolt & Stilson Canyon Rds, ca 2 mi 107 Comment
  SEINET193072  Triteleia ixioides subsp. ixioides H. C. Cantelow 1940-5-10 Butte 2 miles east of Bidwell Bar. Comment
  UC1280471  Triteleia lilacina Theodore F. Niehaus 1965-3-28 372 Butte e side Table Mountain top (along both sides of road); Table Mountain Comment
  CHSC33726  Plectritis ciliosa M. S. Taylor 1981-4-5 3491 Butte At end of Dark Canyon Rd near turnout at restroom, up from boatramp to W Br Feather River, ca. 3.5 mi s of Big Bend Rds jct, ca. 5 air mi s of Jarbo Gap on Hwy 70. 304 Comment
  SEINET10905829  Plectritis ciliosa Mary Susan Taylor 1974-3-5 Taylor 76 Butte Along Cohasset Road, N of Chico. Assoc iates: Amsinckia intermedia, Dodecatheon clevelandii var. patulum, Blennospermum nanum, Orthocarpus erianthus. Comment
  SBBG28919  Valeriana californica E. B. Copeland 1930-7-12 Butte above Jonesville 2100 Comment
  SEINET10547124  Verbena lasiostachys Mary Susan Taylor 1975-10-4 Taylor 951 Butte E side of Kunkle Reservoir, ca. 1/4 mi E of Pentz-Magalia Hwy, ca. 1 mi S of Paradise; open to sun. 610 Comment
  CHSC2034  Viola purpurea subsp. quercetorum M. Roberson 1956-4-7 Butte SW of Paradise, along Skyway. 426 Comment
  CHSC37142  Viola purpurea subsp. purpurea L. Ahart 1982-6-4 3535 Butte 1.5 mi e of Camp 18, ca. 8 mi e of Feather Falls. 1000 Comment
  CHSC6585  Viola douglasii Maria Ulloa-Cruz 1995-4-18 98 Butte Table Mountain Area. 427 Comment
  RSA4488  Viola adunca E. B. Copeland 1931-5-9 662 Butte Jonesville. 1500 Comment
  SEINET175290 Image available Viola adunca E. B. Copeland 1931-5-9 662 Butte Jonesville 1500 Comment
  UC108570  Viola lobata subsp. lobata Mrs. R. M. Austin July 1896 759 Butte Colby Comment
  UC478496  Viola adunca E. B. Copeland 1931-5-9 662 Butte Jonesville 1500 Comment
  UC600536  Viola macloskeyi H. F. Copeland 1927-5-6 Butte Jonesville Comment
  CAS-BOT-BC530158  Viola lobata H. F. Copeland 1929-6-11 1207 Butte near Jonesville 1219 Comment
  RSA4489  Viola macloskeyi E. B. Copeland 1931-5-9 661 Butte Jonesville. 1500 Comment
  CHSC19715  Arceuthobium occidentale Lowell Ahart 1974-11-4 670 Butte Pine tree was growing along the edge of Noth Honcut Creek. Peter Ahart Ranch, Honcut, Calif. 45 Comment
  CHSC26688  Arceuthobium abietinum M. S. Taylor; M. Hayes, R. Schlising 1977-8-17 1486 Butte At Humboldt Summit at Butte-Tehama county line, ca. 100 ft. w of Old Humboldt Rd, on Butte side. 2133 Comment
  CAS-BOT-BC141245  Phoradendron serotinum subsp. tomentosum A. A. Heller 1914-1-28 11157 Butte near Hot Springs, 6 miles E of Chico Comment
  CHSC102794  Phoradendron villosum Lowell Ahart 2009-6-30 15959 Butte West of the Guardian Rock Trail, about 100 yards north of Pine Trail, about 3/8 mile (air) southwest of the intersection of Ten Mile House Road and Highway 32, Upper Bidwell Park, about 10 miles northeast of Chico. 398 Comment
  CHSC113291  Phoradendron serotinum subsp. macrophyllum Lowell Ahart 2014-5-5 19321 Butte About 40 feet north of the northeast corner of Washington Street and Spruce Street, in Gridley. 23 Comment
  CHSC31220  Phoradendron villosum M. S. Taylor; J. D. Jokerst 1979-10-13 2256 Butte On Jordan Hill Rd, ca. 4.8 mi n of its jct with Concow Rd, ca. 2 mi e of Paradise. 609 Comment
  UCD102031  Phoradendron bolleanum John Thomas Howell 1962-6-15 37435 Butte Magnolia, Sierra Nevada. 731 Comment
  UCD102795  Vitis californica John Thomas Howell 1961-9-22 36761 Butte Sierra Nevada. North Fork of Feather River, 10 miles from Oroville. Comment
  UCD54964  Vitis californica Andy Walker; Eric Wada 2006-5-30 NC 21 Butte On SR99 just south of exit 383. 61 Comment
  CHSC33977  Athyrium filix-femina var. cyclosorum M. S. Taylor 1981-5-14 3707 Butte S side of 22N49, at jct where creek crosses the rd (next creek e of Little Ram Creek), ca. 1 mi sw of the rds jct with Four Mile Ridge Rd, ca. 0.5 mi n of Mt House on Oroville-Quincy Hwy. 975 Comment
  CHSC94559  Athyrium filix-femina var. cyclosorum Lowell Ahart 2006-9-11 13271 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  CDA13306  Cystopteris fragilis G. F. Hrusa, T. D. Wilfred 1996-7-9 13152 Butte Sierra Nevada; on E side of bridge over Marble Creek on USFS N60. Comment
  CHSC19696  Cystopteris fragilis L. A. Wright Jr. 1971-3-28 3 Butte Ca. 1/4 mi e on a dirt road, off of Centennial Rd, which passes Hooker Oak Pool. S bank of Big Chico Creek across from the Municipal Golf Course building, ca. 50 ft up the cliff. Comment
  CHSC23703  Cystopteris fragilis M. S. Taylor 1976-5-5 1118 Butte On s side of Bear Creek, ca. 1/4 mi s of Hwy 70, ca. 30 mi ne of Oroville. Comment
  CHSC32694  Cystopteris fragilis M. S. Taylor 1981-3-24 3445 Butte S side of Hwy 70 near Poe Dam, ca. 1/2 mi e of Pulga. 487 Comment
  CHSC69105  Cystopteris fragilis Lowell Ahart 1997-8-1 7766 Butte On the east side of Little Kimshew Creek, where the basalt is eight sided. Snow Meadow, about 1/4 mile east of Table Mountain, about 8 miles (air) northeast of Stirling City. 1524 Comment
  POM121176  Cystopteris fragilis C. C. Bruce 1897-05 1666 Butte Iron Canyon. Comment
  CHSC13713  Tribulus terrestris M. S. Taylor 1974-9-14 315 Butte Beneath Hooker Oak, Upper Bidwell Park, Chico. Comment
  CDA4739  Tribulus terrestris T. C. Fuller 1963-7-15 10854 Butte East side of Highway 99E to Vina, 12.0 miles northwest of Chico. 0 Comment



  Copyright © 2019 Regents of the University of California — Updated 11 January 2019
0.32 processing seconds