Search Results — 2000 specimen records retrieved (1798 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC106984  Salix lasiolepis Lowell Ahart 1987-4-30 5492 Butte along North Honcut Creek, about 2 1/2 miles north and 3 miles east of Honcut, about 12 miles south-east of Oroville 67 Comment
  CAS-BOT-BC111974  Lipocarpha micrantha Lowell Ahart 1974-8-14 s.n. Butte Peter Ahart Ranch, Honcut. Along North Honcut Creek. 150 Comment
  CAS-BOT-BC112790  Eleocharis macrostachya Lowell Ahart 1979-6-2 s.n. Butte Peter Ahart Ranch, Honcut. 50 Comment
  CAS-BOT-BC112791  Eleocharis macrostachya Lowell Ahart 1974-11-9 s.n. Butte Peter Ahart Ranch, Honcut. 45 Comment
  CAS-BOT-BC114380  Cyperus erythrorhizos Lowell Ahart 1986-11-9 5447 Butte Ca 1/10 mi S of the clay burrow for Oroville Dam, 1/4 mi E of Larkin Road, 36 Comment
  CAS-BOT-BC114381  Cyperus erythrorhizos Lowell Ahart 1974-11-9 s.n. Butte In a rice field, Peter Ahart Ranch, Honcut. 45 Comment
  CAS-BOT-BC114382  Cyperus erythrorhizos Lowell Ahart 1974-11-9 s.n. Butte In a rice field, Peter Ahart Ranch, Honcut. 45 Comment
  CAS-BOT-BC132115  Allium sanbornii var. sanbornii Lowell Ahart 1980-7-29 2501 Butte Along the edge of Forbestown Road Comment
  CAS-BOT-BC137551  Aristida oligantha Lowell Ahart 1976-12-29 s.n. Butte Honcut. Peter Ahart Ranch. 45 Comment
  CAS-BOT-BC138038  Alopecurus carolinianus Lowell Ahart 1990-4-15 6450 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile northwest of the Enterprise Bridge across Lake Oroville. 289 Comment
  CAS-BOT-BC138343  Aira caryophyllea var. caryophyllea Lowell Ahart 1979-5-11 s.n. Butte Peter Ahart Ranch. Honcut. 50 Comment
  CAS-BOT-BC141247  Phoradendron serotinum subsp. tomentosum Lowell Ahart 1966-3-13 s.n. Butte Near Enterprise 304 Comment
  CAS-BOT-BC143358  Horkelia tridentata Lowell Ahart 1982-5-8 3413 Butte About 1/2 mile south-west of the Forbestown Res., about 4 1/2 miles north-east of Forbestown 800 Comment
  CAS-BOT-BC148349  Rubus laciniatus Lowell Ahart 1984-6-10 4696 Butte Along the road about 2 miles south-west of the Forbestown Diversion Dam, north-east of Forbestown 700 Comment
  CAS-BOT-BC163263  Clarkia mildrediae subsp. lutescens Lowell Ahart 1983-7-29 4248 Butte About 2 miles east of Milsap Bar, about 25 miles north-east of Oroville 1000 Comment
  CAS-BOT-BC16376  Barbarea orthoceras Lowell Ahart 1987-5-6 5508 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CAS-BOT-BC164523  Clarkia gracilis subsp. albicaulis Lowell Ahart 1987-5-9 5605 Butte Near the bridge across the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 304 Comment
  CAS-BOT-BC166845  Epilobium canum subsp. latifolium Lowell Ahart 1980-9-10 2627 Butte 1 mile north-east of Milsap Bar 900 Comment
  CAS-BOT-BC168361  Eremogone ferrisiae Lowell Ahart 1980-9-10 2636 Butte 3 miles north-east of Milsap Bar - Sierra Nevada 1100 Comment
  CAS-BOT-BC168362  Eremogone ferrisiae Lowell Ahart 1980-5-29 2362 Butte 2 1/2 miles north-east of Mountain House 1100 Comment
  CAS-BOT-BC181180  Paronychia ahartii Lowell Ahart 1974-5-5 s.n. Butte Peter Ahart Ranch, Honcut 45 Comment
  CAS-BOT-BC184700  Vulpia myuros subsp. megalura Lowell Ahart 1990-9-11 6410 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
  CAS-BOT-BC184701  Vulpia myuros subsp. megalura Lowell Ahart 1982-6-4 3545 Butte Ca. 1.5 mi. E of Camp 18, ca. 8 mi. E of Feather Falls 1000 Comment
  CAS-BOT-BC190094  Crypsis schoenoides Lowell Ahart 1983-10-15 3892 Butte Sierra Nevada. North Honcut Creek, about 1 mile north and 2.75 miles east of Honcut. 50 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-BC193392  Vaccinium shastense subsp. nevadense Lowell Ahart 1981-9-15 3170 Butte Along French Creek - Sierra Nevada 1300 Comment
  CAS-BOT-BC201743  Deschampsia elongata Lowell Ahart 1977-6-16 s.n. Butte Peter Ahart Ranch, Honcut. On the banks of North Honcut Creek 50 Comment
  CAS-BOT-BC202818  Paxistima myrsinites Lowell Ahart 1983-3-28 3909 Butte On the east bank of Woodleaf Creek, above the road, about 3/8 mile south-west of the Forbestown Res., about 4 miles north-east of Forbestown 450 Comment
  CAS-BOT-BC204532  Eragrostis curvula Lowell Ahart 1984-5-19 4608 Butte Along the edges of Highway 70, about 1 mile south of the intersection of Cherokee Road and Highway 70, about 12.5 miles north of Oroville 300 Comment
  CAS-BOT-BC209040  Digitaria sanguinalis Lowell Ahart 1986-11-14 5464 Butte On the bottom of teh pond, about 1/10 mile south of the clay burrow for Oroville Dam, 1/4 mile east of Larkin Road, about 6 miles south-est of Oroville. 36 Comment
  CAS-BOT-BC209041  Digitaria sanguinalis Lowell Ahart 1987-8-30 5858 Butte On a gravel bar 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-BC216044  Eriodictyon californicum Lowell Ahart 1987-5-11 5612 Butte South of the Forbestown Ditch about 2 1/2 miles north-east of Forbestown 868 Comment
  CAS-BOT-BC218045  Achnatherum stillmanii Lowell Ahart 1980-6-22 2446 Butte 1 mile NE of Woodleaf 1000 Comment
  CAS-BOT-BC228250  Plagiobothrys hispidulus Lowell Ahart 1987-5-6 5506 Butte Along the N Fork of the Feather River, near the Poe Power House, about 2 miles SE of Jarbo Gap 271 Comment
  CAS-BOT-BC237823  Keckiella lemmonii Lowell Ahart 1982-9-29 3841 Butte Along Pinkard Creek, about 1 1/2 miles north of the Lost Creek Res. Dam, about 3 1/2 miles north-west of Strawberry Valley 1200 Comment
  CAS-BOT-BC237824  Keckiella lemmonii Lowell Ahart 1980-9-10 2644 Butte 7 miles east of Milsap Bar 1200 Comment
  CAS-BOT-BC260095  Nassella pulchra Lowell Ahart 1977-5-20 s.n. Butte Peter Ahart Ranch, Honcut 50 Comment
  CAS-BOT-BC265954  Phalaris minor Lowell Ahart 1981-5-16 2802 Butte Gray Lodge Waterfowl Management Area, 11 mi. SW of Gridley, Sierra Nevada 35 Comment
  CAS-BOT-BC267672  Eriogonum wrightii var. trachygonum Lowell Ahart 1974-9-30 348 Butte Peter Ahart Ranch, Honcut 45 Comment
  CAS-BOT-BC278799  Festuca occidentalis Lowell Ahart 1987-7-8 5801 Butte Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga 1280 Comment
  CAS-BOT-BC281019  Melica stricta Lowell Ahart 1981-8-15 3049 Butte At base of cliffs near the dirt road from Coon Hollow to Poison Springs, ca 1 mile SE of Snow Mt, ca 15 miles NE of Inskip 2000 Comment
  CAS-BOT-BC284080  Eragrostis pectinacea var. pectinacea Lowell Ahart 1977-7-10 1493 Butte 3 miles northeast of 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
  CAS-BOT-BC285087  Hordeum marinum subsp. gussoneanum Lowell Ahart 1980-4-29 2120 Butte Peter Ahart Ranch, Honcut 50 Comment
  CAS-BOT-BC286065  Conyza canadensis Lowell Ahart 1987-7-17 5836 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-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
  CAS-BOT-BC310672  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
  CAS-BOT-BC314998  Hemizonella minima Lowell Ahart 1982-6-4 1117 Butte 1 1/2 miles east of Camp 18 about 8 miles east of Feather Falls 1000 Comment
  CAS-BOT-BC361915  Psilocarphus tenellus Lowell Ahart 1983-6-12 4042 Butte About 1 mile south of Crystal Hill, near Oregon Gulch, near Lake Oroville, about 7 miles south-west of Feather Falls 425 Comment
  CAS-BOT-BC37375  Cardamine californica Lowell Ahart 1975-4-1 s.n. Butte Sierra Nevada. About 5 miles northwest of Forbestown. 426 Comment
  CAS-BOT-BC382895  Wyethia angustifolia Lowell Ahart 1989-5-28 6301 Butte West of the Oregon Gulch Road, about 1 1/2 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville 335 Comment
  CAS-BOT-BC418950  Persicaria lapathifolia Lowell Ahart 1974-11-9 s.n. Butte Peter Ahart Ranch, Honcut 45 Comment
  CAS-BOT-BC418952  Persicaria lapathifolia Lowell Ahart 1981-8-15 3041 Butte Snag Lake (about 3 miles south of Jonesville) 1524 Comment
  CAS-BOT-BC419318  Persicaria punctata Lowell Ahart 1987-5-27 5716 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-BC427629  Crassula aquatica Lowell Ahart 1989-5-23 6271 Butte In Dutch Ravine, about 1/8 mile north of Swedes Flat Road, about 1 1/2 miles east of the Oroville Bangor Highway, north of Bangor 426 Comment
  CAS-BOT-BC429039  Micranthes nidifica Lowell Ahart 1983-3-27 3905 Butte Peter Ahart Ranch, about 2 1/2 miles north and 1/2 mile east of Honcut 35 Comment
  CAS-BOT-BC436859  Saxifraga Lowell Ahart 1975-3-3 s.n. Butte Peter Ahart Ranch, Honcut 45 Comment
  CAS-BOT-BC439773  Claytonia perfoliata Lowell Ahart 1984-6-10 4711 Butte About 2 miles south-west of the Forbestown Diversion Dam, north-east of Forbestown 700 Comment
  CAS-BOT-BC47390  Arctostaphylos viscida subsp. viscida Lowell Ahart 1975-4-1 s.n. Butte Near Feather Falls. 396 Comment
  CAS-BOT-BC48254  Arctostaphylos viscida subsp. viscida Lowell Ahart 1990-3-9 6412 Butte About 1/4 mile south of the Feather River, about 4/10 mile west of Pacific Heighs Road, 30 Comment
  CAS-BOT-BC59924  Rhamnus ilicifolia Lowell Ahart 1981-7-7 2917 Butte Hurleton Swedes Flat Road. Near Road to Oak Grove Cemetery, ca. town. 600 Comment
  CAS-BOT-BC61874  Isoetes nuttallii Lowell Ahart 1980-5-17 2271 Butte 1/2 mi. south-east of Hurleton 600 Comment
  CAS-BOT-BC65616  Adiantum jordanii Lowell Ahart 1980-9-10 2628 Butte 1 mile north-east of Milsap Bar 900 Comment
  CAS-BOT-BC65919  Aspidotis densa Lowell Ahart 1982-6-15 3566 Butte about 1 1/2 miles east of Camp 18, about 8 miles east of Feather Falls 1000 Comment
  CAS-BOT-BC67295  Thysanocarpus radians Lowell Ahart 1973-3-7 s.n. Butte Peter Ahart Ranch, Honcut. 150 Comment
  CAS-BOT-BC69443  Cheilanthes gracillima Lowell Ahart 1987-5-22 5677 Butte N. of Lumpkin Ridge Road, about 1.5 mi. e. of Camp 18, about 8 mi. ne. of Feather Falls. 1280 Comment
  CAS-BOT-BC71180  Ophioglossum californicum Lowell Ahart 1982-12-1 3900 Butte On the Joy Osgood Ranch about 4 miles ne. of Honcut 85 Comment
  CAS-BOT-BC71866  Polypodium californicum Lowell Ahart 1983-3-28 3911 Butte Woodleaf Creek, above the road, about 3/8 mile southwest of the Forbestown Res., about 4 miles northeast of Forbestown 450 Comment
  CAS-BOT-BC75492  Bolboschoenus maritimus subsp. paludosus Lowell Ahart 1981-11-6 3226 Butte Gray Lodge, southwest of Gridley. 35 Comment
  CAS-BOT-BC75549  Berberis dictyota Lowell Ahart 1988-3-27 5942 Butte Along Poe Power House Road, about 0.1 mile north of the bridge across the North Fork of the Feather River. 350 Comment
  CAS-BOT-BC76941  Pilularia americana Lowell Ahart 1973-4-15 s.n. Butte Peter Ahart Ranch, Honcut 45 Comment
  CAS-BOT-BC77135  Pentagramma triangularis subsp. semipallida Lowell Ahart 1987-5-12 5637 Butte South of Lumpkin Ridge Road, 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls. 1280 Comment
  CAS-BOT-BC83265  Myosurus minimus Lowell Ahart 1980-5-4 2180 Butte Thermalito. 65 Comment
  CAS-BOT-BC90921  Calycanthus occidentalis Lowell Ahart 1966-5-17 s.n. Butte Honey Run Road, near Chico. 152 Comment
  CAS-BOT-BC91347  Clematis lasiantha Lowell Ahart 1988-3-27 5946 Butte Along Poe Power House Road, about 0.5 mile northwest of the Poe Power House, about 1.5 mile southeast of Jarbo Gap. 426 Comment
  CDA2510  Sporobolus indicus L. Ahart 2005-10-22 12462 Butte Daley Ranch, about 1 mile northeast of Honcut, about 13 miles south of Oroville. Comment
  CDA27702  Prosopis glandulosa var. torreyana L. Ahart, M. G. Womack 2006-8-29 13240 Butte Near pump 24, about 1/4 mile southwest of Parking Lot 9, about 1 1/2 miles east of Pennington Road, Gray Lodge Wildlife Area (Gray Lodge Waterfowl Management Area). Comment
  CDA3047  Chenopodium botrys L. Ahart 2006-9-11 13282 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. Comment
  CDA31949  Bromus sterilis L. Ahart 2009-4-26 15614 Butte East edge of a small open meadow, about 150 yards southwest 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
  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
  CDA31969  Polygonum arenastrum L. Ahart 2009-6-12 15846 Butte At the Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 80 yards east of Cedar Grove, Lower Bidwell Park, Chico. Comment
  CDA31992  Polypogon interruptus L. Ahart 2008-5-12 14741 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards east of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. Comment
  CDA32000  Polypogon interruptus L. Ahart 2008-5-3 15786 Butte Along a small 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 miles northeast of Chico. Comment
  CDA32005  Poa palustris L. Ahart 2009-6-3 15815 Butte About 100 yards west of the table at the old homestead and southwest of Ten Mile House Road, Upper Bidwell Park, about 3/4 air mile southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico. Comment
  CDA34135  Anthriscus caucalis L. Ahart 2009-4-3 15521 Butte Chico: East of the Cedar grove Parking Area in Lower Bidwell Park. Comment
  CDA3416  Moenchia erecta L. Ahart 1980-5-4 2192 Butte ca. 3/4 mile southeast of Hurlton. Comment
  CDA34283  Mollugo verticillata L. Ahart 2009-8-13 16274 Butte Chico: about 100 yards east of the diversion structure that controls Mud Creek diversion and Lindo Channel, northeast of Hooker Oak, Upper Bidwell Park. Comment
  CDA34545  Juncus tenuis L. Ahart 2007-7-7 14262 Butte On the west side of North Honcut Creek, Peter Ahart Ranch, about 1 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles (air) southeast of Oroville. Comment
  CDA34554  Panicum dichotomiflorum L. Ahart 2008-11-4 15404 Butte On the sides of Potter Ravine, below the high water line of Lake Oroville, about one mile north of the large parking area on the north end of Oroville Dam, about 5 miles (air) northeast of Oroville. Comment
  CDA34560  Pyracantha koidzumii L. Ahart, John Dittes, Josephine Guardino 2008-11-8 15422 Butte South of the trail on the south side of Cedar Grove, Lower Bidwell Park, Chico. Comment
  CDA34718  Madia subspicata L. Ahart 2010-6-1 16751 Butte South side of Guardian's Trail, about 100 yards east of the end of Centennial Avenue, Upper Bidwell Park, about 1/2 mile east of Chico Canyon Road. Comment
  CDA34740  Danthonia californica var. americana L. Ahart 2010-9-21 17230 Butte On the north side of a poor dirt road, about 1 mile (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir. Comment
  CDA34760  Carex vernacula L. Ahart 2010-9-28 17264 Butte On the south edge of a 10 acre meadow, about 100 yards east 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
  CDA36696  Ammannia robusta L. Ahart 2003-6-19 10294 Butte Peter Ahart Ranch, about 300 yards east of the Palermo Honcut Highway, about 2 1/8 miles north of Honcut, about 12 miles south of Oroville. Comment
  CDA38802  Alisma triviale L. Ahart 2012-6-28 18238 Butte On the north side of Big Chico Creek, east of Sycamore Pool, Lower Bidwell Park, Chico. Comment
  CDA38814  Oxalis pes-caprae L. Ahart 2012-4-6 17808 Butte On the north side of Big Chico Creek, Lost Park in Bidwell park, city of Chico. Comment
  CDA38898  Cyperus strigosus L. Ahart 2009-8-13 16276 Butte Chico: about 100 yards east of the diversion structure that controls Mud Creek diversion and Lindo Channel, northeast of Hooker Oak, Upper Bidwell Park. Comment
  CDA3956  Rosa eglanteria L. Ahart 2002-5-15 9660 Butte About 100 yards southwest of Parking Lot 10, about 100 yards northeast of the buildings, on the south side of the dirt road, Gray Lodge State Wildlife Management Area, about 4 miles (air) southwest of Gridley. Comment
  CDA40045  Gilia capitata subsp. mediomontana L. Ahart 2006-5-19 12637 Butte 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. Comment
  CDA42848  Xanthium spinosum L. Ahart 2011-7-3 17619 Butte Garden area, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles (air) south of Oroville. Comment
  CDA42863  Gastridium phleoides L. Ahart 2012-5-12 18036 Butte On the north side of Bloody Rim Trail, about 20 yards east of South Rim Trail, about 5/8 mile west of Highway 32, south part of Upper Bidwell Park, about 7-3/8 miles (air) northeast of Chico. Comment
  CDA42868  Leontodon saxatilis subsp. longirostris L. Ahart 2012-5-14 18054 Butte North edge of the path to Table 12, south of Big Chico Creek, north of the paved road, Lower Bidwell Park, Chico. Comment
  CDA42929  Echinochloa crus-galli L. Ahart 2012-9-28 18463 Butte On the north side of Big Chico Creek, about 150 yards east of the east end of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico. Comment
  CDA42944  Amaranthus deflexus L. Ahart 2012-10-2 18516 Butte On the south side of the paved park road, about 30 yards east of Table 33, west of Cedar Grove, Lower Bidwell Park, Chico. Comment
  CDA42950  Hirschfeldia incana L. Ahart 2012-10-28 18533 Butte Marshy area on the north side of Big Chico Creek, south of Table 34, west of Cedar Grove, Lower Bidwell Park, Chico. Comment
  CDA42955  Juncus cyperoides L. Ahart 2013-5-27 18711 Butte On the east side of Black Bart Road, about 3/4 mile (by road) southwest from the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown. 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
  CDA42980  Kickxia elatine L. Ahart 2013-11-29 19293 Butte Below the high water line of Lake Oroville, about 250 yards west of the old road, about 3 1/2 miles (air) northeast of Oroville Dam. Comment
  CDA6609  Plantago virginica L. Ahart 2000-5-17 8366 Butte On the southeast margin of the Thermalito Afterbay, west of the poor dirt road, south of the Cottonwood tree, about 1/8 mile north of the Richvale Highway, about 3/4 mile east of Highway 99, about 7 1/4 miles (air) west of Oroville. Comment
  CHSC100472  Rosmarinus officinalis Lowell Ahart; John Dittes, Josephine Guardino 2008-11-8 15436 Butte On the south side of the gravel road and Big Chico Creek, about 30 yards east of the end of Chico Canyon Road, Upper Bidwell Park, Chico. 68 Comment
  CHSC100475  Sequoia sempervirens Lowell Ahart; John Dittes, Josephine Guardino 2008-11-8 15426 Butte On the north side of the gravel road, about 50 yards east of Cedar Grove Parking Area in Lower Bidwell Park, Chico. 67 Comment
  CHSC100478  Chenopodium strictum var. glaucophyllum Lowell Ahart 2008-11-8 15446 Butte Parking area on the west side of the Midway, west of the intersection of Midway and East Park Avenue, Chico. 60 Comment
  CHSC100480  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
  CHSC100500  Kickxia elatine Lowell Ahart; John Dittes, Josephine Guardino 2008-11-8 15410 Butte On the north side of the gravel road, about 50 yards east of Cedar Grove Parking Area in Lower Bidwell Park, Chico. 67 Comment
  CHSC100966  Cardamine oligosperma Lowell Ahart; Josephine Guardino, Steve Green 2009-2-20 15492 Butte Near the north side of Cedar Grove, Lower Bidwell Park, Chico. 67 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
  CHSC101121  Torilis arvensis subsp. purpurea Lowell Ahart 2009-5-23 15725 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. 311 Comment
  CHSC101123  Rhamnus tomentella subsp. tomentella Lowell Ahart 2009-5-23 15724 Butte On the south 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. 311 Comment
  CHSC101132  Leptosiphon ciliatus Lowell Ahart 2009-5-15 15678 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. 235 Comment
  CHSC101135  Euphorbia spathulata Lowell Ahart 2009-5-15 15701 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
  CHSC101138  Pectocarya pusilla Lowell Ahart 2009-5-15 15700 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
  CHSC101140  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
  CHSC101153  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
  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
  CHSC101255  Trifolium variegatum Lowell Ahart 2009-4-17 15543 Butte 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
  CHSC101258  Sherardia arvensis Lowell Ahart 2009-4-17 15547 Butte 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
  CHSC101264  Sherardia arvensis Lowell Ahart 2009-4-3 15533 Butte Along the north margin of the gravel road, east of the Cedar Grove parking area in Lower Bidwell Park, Chico. 67 Comment
  CHSC101272  Geranium molle Lowell Ahart 2009-4-3 15530 Butte Along margins of the gravel road, east of the Cedar Grove parking area in Lower Bidwell Park, Chico. 67 Comment
  CHSC101275  Ranunculus muricatus Lowell Ahart 2009-4-3 15538 Butte On the north and south side of the gravel road, east of the Cedar Grove parking area in Lower Bidwell Park, Chico. 67 Comment
  CHSC101278  Senecio vulgaris Lowell Ahart 2009-4-3 15523 Butte Along margins of the gravel road, east of the Cedar Grove parking area in Lower Bidwell Park, Chico. 67 Comment
  CHSC101307  Leptosiphon filipes Lowell Ahart 2009-4-22 15586 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
  CHSC101681  Hypochaeris glabra Lowell Ahart 2009-5-8 15654 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
  CHSC101746  Poa pratensis subsp. pratensis Lowell Ahart 2009-5-23 15746 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 Highwat 32, about 10 miles northeast of Chico. 203 Comment
  CHSC101807  Silybum marianum Lowell Ahart 2009-6-12 15847 Butte 5 yards west of Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 80 yards east of Cedar Grove, Lower Bidwell Park, Chico. 67 Comment
  CHSC101827  Dryopteris arguta Lowell Ahart 2009-5-23 15763 Butte Below the rim, south of a small drainage, about 40 yards west of Guardians Trail, about 100 yards northeast 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. 381 Comment
  CHSC102378  Hypericum perforatum Lowell Ahart 2009-5-30 15783 Butte Northeast of a broad open drainage in oak woodland, about 100 yards north of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 1/2 mile (air) west of Highway 32, about 10 miles northeast of Chico. 269 Comment
  CHSC102424  Logfia gallica Lowell Ahart 2009-5-30 15809 Butte On dry rocky soil, on the west side of Guardian's 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. 440 Comment
  CHSC102616  Mentha arvensis Lowell Ahart 2009-7-9 16009 Butte Along streams, 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
  CHSC102712  Kickxia elatine Lowell Ahart 2009-7-3 15991 Butte 10 yards north of the Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 80 yards east of Cedar Grove parking area, Lower Bidwell park, Chico. 67 Comment
  CHSC102715  Plantago major Lowell Ahart 2009-7-3 15990 Butte In watered lawn, about 60 yards west of the Cedar Grove parking area, Lower Bidwell park, Chico. 67 Comment
  CHSC102718  Spergularia bocconi Lowell Ahart 2009-7-3 15986 Butte On the north side of the road, 30 yards west of the Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 30 yards east of Cedar Grove, Lower Bidwell Park, Chico. 67 Comment
  CHSC102723  Clarkia gracilis subsp. albicaulis Lowell Ahart 2009-6-3 15823 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
  CHSC102732  Poa compressa Lowell Ahart 2009-7-9 16022 Butte On the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, 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. 203 Comment
  CHSC102735  Cordylanthus pilosus subsp. hansenii Lowell Ahart 2009-8-3 16253 Butte On the west side of Ten Mile House Road, jabout 30 yards east of Big Chico Creek, 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. 234 Comment
  CHSC102738  Perideridia kelloggii Lowell Ahart 2009-7-9 16028 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
  CHSC102740  Helenium puberulum Lowell Ahart 2009-8-3 16258 Butte About 50 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 miles (air) west of Highway 32, about 10 miles northeast of Chico. 209 Comment
  CHSC102813  Cichorium intybus Lowell Ahart 2009-7-3 15985 Butte 10 yards east of the Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 90 yards east of Cedar Grove, Lower Bidwell Park, Chico. 67 Comment
  CHSC102822  Agrostis exarata Lowell Ahart 2009-6-3 15829 Butte About 55 yards southeast of the gate, about 45 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
  CHSC102825  Perideridia oregana Lowell Ahart 2009-6-30 15957 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
  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
  CHSC102831  Rumex conglomeratus Lowell Ahart 2009-6-18 15912 Butte On the west side and bottom of the steep bank, about 10 yards west of the dredger piles along North Honcut Creek, about 2 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles southeast of Oroville. 59 Comment
  CHSC102833  Panicum acuminatum var. acuminatum Lowell Ahart 2009-6-3 15832 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
  CHSC102852  Melica torreyana Lowell Ahart 2009-5-30 15803 Butte On the northeast 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. 311 Comment
  CHSC102976  Lathyrus tingitanus Lowell Ahart 2009-6-3 15811 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. 311 Comment
  CHSC102987  Ludwigia palustris Lowell Ahart 2009-8-13 16275 Butte In the channel 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
  CHSC103001  Lupinus pachylobus Lowell Ahart 2009-6-3 15831 Butte Meadow, about 30 yards south of the gate, in the middle of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) wast of Highway 32, about 10 Miles northeast of Chico. 209 Comment
  CHSC103015  Wolffia globosa Lowell Ahart 2009-10-8 16411 Butte In a deep large ditch, on the east side of the road, about 20 yards east of Parking Lot 13, Gray Lodge Waterfowl Management Area, about 7 miles (air) southwest of Gridley. 19 Comment
  CHSC103166  Vinca major Lowell Ahart 2009-11-19 16560 Butte Southwest side of the pond, about 40 yards southwest of table, about 110 yards south of Ten Mile House Road, Upper Bidwell Park, about 1/2 mile (air) west of Highway 32, about 10 miles northeast of Chico. 242 Comment
  CHSC103667  Lithophragma bolanderi Lowell Ahart 2010-4-30 16603 Butte Steep north slope, below rim and above cliffs, on the north side of a trail, west of disk golf area, on a ridge about 350 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico. 353 Comment
  CHSC103695  Polygonum bidwelliae Lowell Ahart 2010-5-14 16642 Butte On the bottom of the old Humboldt Road, Disc Golf Area, about 150 yards north of the entrance to the Disc Golf Area, about 40 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico. 395 Comment
  CHSC103698  Isoetes nuttallii Lowell Ahart 2010-5-14 16655 Butte In the tracks of an old road, Disc Golf Area, about 100 yards west of the entrance to the Disc Golf Area, about 120 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico. 372 Comment
  CHSC103991  Crassula aquatica Lowell Ahart 2010-5-14 16648 Butte On the west side of the old Humboldt Road, Disc Golf Area, about 150 yards north of the entrance to the Disc Golf Area, about 40 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico. 395 Comment
  CHSC103993  Cryptantha flaccida Lowell Ahart 2010-5-14 16668 Butte Near south park fence, about 1/4 mile west of the entrance to the Disc Golf Area, west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico. 363 Comment
  CHSC105262  Epilobium campestre Lowell Ahart 2010-6-20 16826 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
  CHSC105265  Polypogon maritimus Lowell Ahart 2010-6-20 16831 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
  CHSC105268  Cotula coronopifolia Lowell Ahart 2010-6-20 16818 Butte Bottom of Wyandotte Creek, under the government pole line, about 100 yards south of the pole, about one mile east of Palermo Honcut Highway, Guidci Ranch, about 7 miles (air) southeast of Oroville. 47 Comment
  CHSC105274  Navarretia heterandra Lowell Ahart 2010-6-20 16833 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
  CHSC105506  Carex pachycarpa Lowell Ahart 2010-9-21 17201 Butte Under red firs, about 50 yards east of the poor dirt road, about 100 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
  CHSC105791  Equisetum hyemale subsp. affine Lowell Ahart 2010-9-13 17151 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. 31 Comment
  CHSC105960  Carex integra Lowell Ahart 2010-9-28 17271 Butte About 20 yards west of Big Kimshew Creek, meadow, 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
  CHSC106057  Punica granatum Lowell Ahart; Susan Mason, Josephine Guardino 2010-8-6 17043 Butte In landscaping, at Five Mile Recreation Area, Bidwell Park, Chico. 74 Comment
  CHSC10635  Arctostaphylos viscida subsp. viscida Lowell Ahart 1968-3-3 Butte Swede's Flat Road. 304 Comment
  CHSC10637  Viola douglasii Lowell Ahart 1971-4-5 Butte Peter Ahaart Ranch, Honcut. 45 Comment
  CHSC10646  Trifolium hirtum Lowell Ahart 1968-4-26 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC10671  Delphinium patens subsp. patens Lowell Ahart 1966-5-10 Butte Bidwell Bar. 213 Comment
  CHSC10673  Polystichum imbricans Lowell Ahart 1966-3-13 Butte Near Enterprise. 182 Comment
  CHSC107563  Juncus laccatus Lowell Ahart 2011-8-23 17647 Butte In the large meadow, Pinkard Creek flows through the meadow, east of the corral, about 1 mile north of Lost Creek Reservoir Dam, about 4 miles (air) northeast of Clipper Mills. 1133 Comment
  CHSC107589  Juncus triformis Lowell Ahart 2011-7-9 17571 Butte Southeast edge of a large open bare granite area, about 3/8 mile northeast of Little Bald Rock, about 2 miles (air) southeast of Brush Creek, about 15 miles (air) northeast of Oroville. 974 Comment
  CHSC10838  Micranthes integrifolia Lowell Ahart 1968-3-11 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC108793  Micranthes fallax Lowell Ahart 2012-4-9 17841 Butte On the high south cliff edge of Big Chico Creek, northwest of South Rim Trail, south part of Upper Bidwell Park, about 2 1/4 miles (air) northeast of Chico. 161 Comment
  CHSC108867  Micranthes integrifolia Lowell Ahart 2012-3-2 17764 Butte Near large rocks, on the west side of South Rim Trail, about 1/2 miles southwest of the old homestead, pond and Ten Mile House Road, about 3/4 miles west of Highway 32, about 8 miles northeast of Chico. 255 Comment
  CHSC108960  Lupinus bicolor var. pipersmithii Lowell Ahart; Linnea Hanson, Susan Bazell, Josephine Guardino 2012-4-16 17865 Butte On the south side of the paved road, east of the Deer Pen, between Tables 12 and 13, Lower Bidwell Park, Chico. 65 Comment
  CHSC108984  Trifolium bifidum var. bifidum Lowell Ahart 2012-4-30 17924 Butte Near a small drainage, north of the meadow, southwest of Ten Mile House Road, about 1/4 mile west of Highway 32, about 9 miles (air) northeast of Chico,south part of Upper Bidwell Park. 268 Comment
  CHSC108996  Trifolium depauperatum var. amplectens Lowell Ahart 2012-4-30 17934 Butte Open area on the west side of Guardian Trail, about 200 yards north of Humboldt Trail, north of Bloody Pin Trail, about 1/8 mile west of Highway 32, about 8 miles northeast of Chico, south part of Upper Bidwell Park. 362 Comment
  CHSC109006  Salix lasiolepis Lowell Ahart 2012-4-20 17887 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
  CHSC109076  Solanum jasminoides Lowell Ahart; Linnea Hanson, Susan Bazell, Josephine Guardino 2012-4-16 17870 Butte Between the edge of the paved road and the back of a home, east of the Deer Pen, between Table 12 and 13 , Lower Bidwell Park, Chico. 65 Comment
  CHSC109087  Sagina decumbens subsp. occidentalis Lowell Ahart 2012-4-20 17899 Butte Seep along a small wash, east of South Rim Trail, south of Bloody Pin Trail, about 5/8 mile west of Highway 32, about 7 miles northeast of Chico, south part of Upper Bidwell Park. 243 Comment
  CHSC109114  Plagiobothrys scriptus Lowell Ahart 2012-3-23 17798 Butte Botttom of a small path, 90 feet north of a large Gray Pine, north end of the Disc Golf Area, about 50 yads west of Highway 32, about 5 miles (air0 northeast of Chico. 395 Comment
  CHSC109161  Trifolium bifidum var. bifidum Lowell Ahart 2012-5-12 18034 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
  CHSC109587  Luzula macrantha Lowell Ahart 2012-5-12 18031 Butte On the sides of South Rim Trail, about 1/2 mile southwest of the old homestead, about 5/8 mile west of Highway 32, south part of Upper Bidwell Park, about 8-1/2 miles (air) northweat of Chico. 237 Comment
  CHSC109609  Castilleja applegatei subsp. pinetorum Lowell Ahart 2012-5-20 18098 Butte On the north side of the Humboldt Trail, about 50 yards northwest of the poor dirt road south of Highway 32, southeast part of Upper Bidwell Park, northeast of Chico. 428 Comment
  CHSC109629  Viola purpurea subsp. quercetorum Lowell Ahart 2012-5-20 18099 Butte About 50 yards northwest of the poor dirt road south of Highway 32, southeast part of Upper Bidwell Park,northeast of Chico. 428 Comment
  CHSC109659  Leontodon saxatilis subsp. longirostris Lowell Ahart 2012-5-14 18054 Butte North edge of the path to Table 12, south of Big Chico Creek, north of the paved road, Lower Bidwell Park, Chico. 74 Comment
  CHSC110037  Arbutus menziesii Lowell Ahart 2012-10-28 18530 Butte North of Big Chico Creek, northwest of Table 34, west of Cedar Grove, Lower Bidwell Park, Chico. 67 Comment
  CHSC11072  Torilis nodosa Lowell Ahart 1969-5-14 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC11075  Lithophragma bolanderi Lowell Ahart 1968-3-13 Butte Peter Ahart Ranch, Honcut. 42 Comment
  CHSC11077  Rorippa curvisiliqua var. occidentalis Lowell Ahart 1970-4-20 Butte Earnist Bevan Farm, near Honcut. 45 Comment
  CHSC11083  Collinsia sparsiflora var. collina Lowell Ahart 1968-3-17 Butte Bidwell Park, Chico. 91 Comment
  CHSC110989  Pyrus calleryana Lowell Ahart; L. Hanson, S. Bazell, J. Guardino 2012-5-17 18073 Butte On the west side of a horse trail, about 50 ft. south of Vallombrosa Avenue, about 1/4 mile west of Peterson Drive, Lower Bidwell Park, Chico. 76 Comment
  CHSC111126  Rosa multiflora Lowell Ahart 2012-5-17 18075 Butte On the sides of a horse trail, about 20 yards north of Big Chico Creek, southwest of the southwest corner of the old walnut orchard, about 3/5 mile west of Peterson Drive, Lower Bidwell Park, Chico. 76 Comment
  CHSC111342  Chorizanthe polygonoides var. polygonoides Lowell Ahart 2012-5-2 17953 Butte In the old fire guard, along the fence, about 50 yards northeast of the Government Pole Line, Upper Bidwell Park, about 1 mile east of Chico. 93 Comment
  CHSC111345  Acmispon wrangelianus Lowell Ahart 2012-5-2 17956 Butte On dry bare soil, 30 yards south of the fence, about 80 yards northeast of the oak tree, Upper Bidwell Park, about 1 mile east of Chico. 115 Comment
  CHSC111348  Trifolium bifidum var. decipiens Lowell Ahart 2012-5-2 17950 Butte On damp dark clay soil, 20 yards south of the fence, west of the Government Pole Line, Upper Bidwell Park, about 1 mile east of Chico. 85 Comment
  CHSC111381  Downingia ornatissima var. ornatissima Lowell Ahart 2012-5-2 17965 Butte On the bottom of a small vernal pool, about 30 yards west of the Easter Cross Parking Lot, Upper Bidwell Park, about 1 mile east of Chico. 89 Comment
  CHSC111720  Stellaria media Lowell Ahart 2012-6-14 18186 Butte On the south side of the path, south of CARD Community Center, Lower Bidwell Park, Chico. 62 Comment
  CHSC111741  Celtis australis Lowell Ahart; Susan Bazell, Josephine Guardino, Wess Dempsey 2012-7-5 18264 Butte Cedar Grove, parking area, Lower Bidwell Park, Chico. 71 Comment
  CHSC112100  Aegilops triuncialis Lowell Ahart 2012-5-20 18093 Butte On the north side of the poor fence, near a large oak tree, about 40 yards east of the Guardian Trail, southeast part of Upper Bidwell Park, northeast of Chico. 323 Comment
  CHSC112242  Spergularia bocconi Lowell Ahart 2013-4-20 18563 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
  CHSC112336  Eragrostis hypnoides Lowell Ahart 2013-7-9 18828 Butte South side of North Honcut Creek, west of the steel power line, about 2 mile (air) northeast of Honcut, about 13 miles (air) southeast of Oroville. 37 Comment
  CHSC112602  Lemna minuta Lowell Ahart 2013-9-20 19063 Butte Along a ditch, about 20 yards north of Hamilton Road, about 1/8 mile east of Riceton Highway, about one mile southeast of the Rice Experiment Station. 30 Comment
  CHSC112628  Amaranthus palmeri Lowell Ahart 2013-10-16 19111 Butte On the west side of Highway 99E, about 20 yards south of B Street, about one mile east of Biggs. 30 Comment
  CHSC112631  Setaria parviflora Lowell Ahart 2013-10-16 19118 Butte South edge of the paved road, about 100 yards southeast of the restroom, near end of road to the Larkin Road Boat Launch Area, about 1/4 mile west of Larkin Road, about 2 miles (air) southwest of the Oroville Airport. 28 Comment
  CHSC112678  Paspalum urvillei Lowell Ahart 2013-7-1 18822 Butte Seep along road gutter, on the east side of Black Bart Road, about 3/4 mile (by road) southwest from the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown. 731 Comment
  CHSC112680  Monardella sheltonii Lowell Ahart 2013-7-1 18819 Butte Edge of a dry meadow, about 30 yards southwest of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 737 Comment
  CHSC112706  Gnaphalium palustre Lowell Ahart 2013-10-26 19207 Butte On the south side of Philbrook Creek, below the high water line (strand) of Philbrook Reservoir. 1681 Comment
  CHSC112787  Festuca bromoides Lowell Ahart 2013-5-18 18700 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
  CHSC113056  Bergia texana Lowell Ahart 2013-7-17 18839 Butte Bottom of a deep wash, about 1/2 mile southeast of Honcut Cemetary, about 3 1/4 miles (air) northeast of Honcut. 54 Comment
  CHSC113161  Rorippa curvisiliqua var. occidentalis Lowell Ahart 2013-11-13 19231 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. 244 Comment
  CHSC113224  Sagina decumbens subsp. occidentalis Lowell Ahart 2014-5-2 19433 Butte On the south side and below the high water line of the reservoir, about 2 1/2 miles (air) west of the Improved Parking Area and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 288 Comment
  CHSC113249  Trifolium Lowell Ahart 2014-4-20 19393 Butte About one mile northwest of the parking area on the west side of Cherokee Road, about 7 miles (air) north of Oroville. 350 Comment
  CHSC113274  Juncus trilocularis Lowell Ahart 2014-5-21 19531 Butte Along a small drainage and the poor road, about 100 yards west from Ponderosa Way, about 1/4 mile northwest of the Ponderosa Dam. 271 Comment
  CHSC113297  Poa annua Lowell Ahart 2014-4-9 19324 Butte Rice field, near the pump, on the north side of Colusa Highway, about 4/10 of a mile east of the intersection of Pennington Road and Colusa Highway, about 5 1/2 miles west of Gridley. 22 Comment
  CHSC113367  Juncus bufonius var. bufonius Lowell Ahart 2014-4-9 19339 Butte Bottom of a drying pond, about 100 yards west of the parking area, west end of West Liberty Road, about one mile (air) south of Colusa Highway, about 7 miles (air) southwest of Gridley. 19 Comment
  CHSC11338  Plectritis ciliosa subsp. ciliosa Lowell Ahart 1970-4-4 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC113395  Muhlenbergia filiformis Lowell Ahart 2014-7-2 19549 Butte Depression on north side of the poor road, east of cow corral, about 200 yards north of the County Road, about one mile west of the intersection of County Road and Lumpkin Road, about 7 miles northeast of Feather Falls. 1281 Comment
  CHSC113398  Juncus effusus subsp. pacificus Lowell Ahart 2014-7-4 19554 Butte On the south side of Bull Hill Road, about 2 miles south of Butte Meadows. 1341 Comment
  CHSC113407  Carex hirtissima Lowell Ahart 2014-7-13 19642 Butte West part of a large wet meadow (some bog), about 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir. 1638 Comment
  CHSC113427  Muhlenbergia minutissima Lowell Ahart 2014-7-7 19580 Butte North of the bog, Coon Hollow, about 2 miles (air) north of Philbrook Reservoir. 1690 Comment
  CHSC113457  Viola adunca subsp. adunca Lowell Ahart 2014-7-10 19611 Butte About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir. 1664 Comment
  CHSC113477  Calyptridium umbellatum Lowell Ahart 2014-7-10 19637 Butte About 80 yards south of Philbrook Road, about 1 1/4 miles west of Philbrook Reservoir. 1648 Comment
  CHSC113486  Orthilia secunda Lowell Ahart 2014-7-13 19650 Butte South edge of a large wet meadow (some bog), about 100 yards southeast of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir. 1638 Comment
  CHSC113494  Salix scouleriana Lowell Ahart 2014-7-10 19638 Butte About 80 yards south of Philbrook Road, about 1 1/4 mile west of Philbrook Reservoir. 1648 Comment
  CHSC113506  Trifolium variegatum var. geminiflorum Lowell Ahart 2014-7-7 19589 Butte East side of the dirt road and in the gutter, about 1/2 mile (air) north of Philbrook Reservoir. 1745 Comment
  CHSC113919  Acmispon argophyllus var. fremontii Lowell Ahart 2014-5-13 19460 Butte Below the high water line of Lake Orovolle, above the old paved road, about 150 yards west of the Enterprise Boat Ramp, about 11 miles (air) east of OrovIlle. Collected about 1/4 mile west of point above, according to label. 259 Comment
  CHSC113939  Phalaris arundinacea Lowell Ahart 2014-8-13 19699 Butte Bottom of a small drainage, 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. 1561 Comment
  CHSC113960  Carex lemmonii Lowell Ahart 2014-7-16 19676 Butte North part of a large wet meadow (some bog), about 50 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir. 1638 Comment
  CHSC115190  Pectocarya pusilla Lowell Ahart 2015-4-27 20080 Butte Between the road and the stream, about 5 yards north of the dirt road, about 5/8 mile northwest of the iron gate along Cherokee Road, Beatson Hollow, North Table Mountain, about 7 miles (air) north of Oroville. 304 Comment
  CHSC115344  Trifolium olivaceum Lowell Ahart 2015-4-11 20028 Butte About 3/4 mile northeast of the Honcut Cemetery, about 4 1/2 miles (air) northeast of Honcut, about 13 miles (air) southeast of Oroville. 71 Comment
  CHSC116167  Hemizonella minima Lowell Ahart 2015-6-16 20227 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
  CHSC116291  Polystichum imbricans subsp. imbricans Lowell Ahart 2015-10-23 20581 Butte On south side of Forbestown Reservoir, about 400 yards southeasst of Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. 564 Comment
  CHSC116704  Leontodon saxatilis subsp. longirostris Lowell Ahart 2016-5-14 20823 Butte On the east side of North Honcut Creek, Peter Ahart Ranch,about 1 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles (air) southeast of Oroville. 57 Comment
  CHSC116724  Leontodon saxatilis subsp. longirostris Lowell Ahart 2016-5-24 20855 Butte West side of large drainage, about 50 yards north of the ditch, about 150 yards south of La Porte Road, about 1/4 mile southwest of the intersection of La Porte Road and Loma Rica Road, about 3 1/4 miles (air) northeast of Honcut. 44 Comment
  CHSC118551  Sisymbrium altissimum Lowell Ahart 2017-4-22 21390 A Butte Where we park vehicals, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles (air) south of Oroville. 31 Comment
  CHSC118553  Cotula australis Lowell Ahart 2017-4-22 21389 Butte Normal plants, where we park vehicals, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles (air) south of Oroville. 31 Comment
  CHSC12171  Calochortus monophyllus Lowell Ahart 1973-5-6 Butte Near Challenge. 762 Comment
  CHSC12173  Draba verna var. aestivalis Lowell Ahart 1973-2-21 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC12180  Lithophragma parviflorum var. parviflorum Lowell Ahart 1969-4-8 Butte Table Mountain, Oroville. 396 Comment
  CHSC12182  Luzula macrantha Lowell Ahart 1973-2-21 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC12185  Dodecatheon hendersonii Lowell Ahart 1973-3-14 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC12402  Vitis californica Lowell Ahart 1973-5-24 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC12407  Aphanes occidentalis Lowell Ahart 1973-3-1 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC23869  Polycarpon tetraphyllum Lowell Ahart 1976-7-27 1147 Butte North Honcut Creek below the Peter Ahart Ranch. 45 Comment
  CHSC27054  Polycarpon tetraphyllum Lowell Ahart 1978-6-2 1751 Butte Peter Ahart Ranch, Honcut. Along the edge of North Honcut Creek. 50 Comment
  CHSC30857  Epilobium canum subsp. latifolium L. Ahart 1980-9-10 2627 Butte Along the rd ca. 1 mi ne of Millsap Bar, ca. 25 mi ne of Oroville, near the Middle Fork of the Feather River. 900 Comment
  CHSC30952  Heteromeles arbutifolia L. Ahart 1980-7-4 2455 Butte Ca. 1/2 mi se of the Oak Grove Cemetary, ca. 1 mi se of Hurleton. 600 Comment
  CHSC31516  Equisetum hyemale subsp. affine L. Ahart 1977-6-16 1416 Butte On both sides of North Honcut Creek, 3.0 mi ne of Honcut near Peter Ahart Ranch. 50 Comment
  CHSC31579  Plagiobothrys stipitatus var. micranthus L. Ahart 1974-4-14 405 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC31666  Eleocharis macrostachya L. Ahart 1972-6-20 114 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC31706  Bromus sterilis L. Ahart 1978-5-16 1733 Butte On the banks of North Honcut Creek. Peter Ahart Ranch, Honcut. 50 Comment
  CHSC31774  Pterostegia drymarioides L. Ahart 1974-3-18 322 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC31788  Leptosiphon filipes L. Ahart 1974-4-14 408 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC31816  Potamogeton foliosus L. Ahart 1975-7-5 847 Butte Pond; Peter Ahart Ranch, Honcut. 45 Comment
  CHSC31879  Trifolium ciliolatum L. Ahart 1974-4-24 441 Butte Along North Honcut Creek. Peter Ahart Ranch, Honcut. 45 Comment
  CHSC32108  Horkelia californica subsp. dissita L. Ahart 1975-6-23 804 Butte Along North Honcut Creek. Near Honcut. 53 Comment
  CHSC32129  Keckiella breviflora var. glabrisepala L. Ahart 1976-6-4 1136 Butte Along North Honcut Creek, Peter Ahart Ranch, Honcut. 45 Comment
  CHSC32136  Githopsis specularioides L. Ahart 1974-4-24 427 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC32142  Cynoglossum grande L. Ahart 1975-4-1 731 Butte Trail head to Feather Falls near Feather Falls community. 487 Comment
  CHSC32582  Bacopa eisenii L. Ahart 1979-9-27 2022 Butte About 1/2 mi w of Honcut along lower Honcut Rd. 33 Comment
  CHSC32585  Juncus kelloggii L. Ahart 1980-5-11 2240 Butte In a pasture field on the w side of the Pentz-Magalia Hwy, ca. 1/2 mi nw of Kunkle Reservoir, ca. 3 mi s of Paradise. 500 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
  CHSC34015  Epilobium ciliatum subsp. ciliatum L. Ahart 1981-7-26 3003 Butte On sides of large ditch near the dirt rd, 1/10 mi w of Pennington Rd on the dirt rd that leads to the Gray Lodge Waterfowl HQ, ca. 12 mi sw of Gridley. 35 Comment
  CHSC34017  Lythrum salicaria L. Ahart 1981-7-18 2938 Butte On the bottom of a deep drain ditch along the edge of the Pacific Heights Rd, ca. 1/8 mi w of Hwy 70, ca. 3 mi sw of Oroville. 35 Comment
  CHSC34021  Helminthotheca echioides L. Ahart 1981-7-26 3009 Butte A little e of the dirt rd, ca. 1 mi nw of Pennington Rd, on the n branch rd that leads to hunter parking area s, ca. 1/2 mi nw of Graylodge Waterfowl Mgmt HQ, ca. 12 mi sw of Gridley. 35 Comment
  CHSC34023  Cirsium vulgare L. Ahart 1981-7-26 3010 Butte 1/2 mi sw of the Graylodge Waterfowl Mgmt Area HQ, ca. 12 mi sw of Gridley. 35 Comment
  CHSC34141  Plantago major L. Ahart 1981-9-27 3213 Butte Ca. 1/8 mi ne of jct of Lower Wyandotte Rd and Upper Palermo Rd, ca. 4 mi ne of Palermo. 80 Comment
  CHSC34143  Lessingia virgata L. Ahart 1981-9-27 3211 Butte Field near or ca. 1/8 mi ne of jct of Lower Wyandotte Rd and Upper Palermo Rd, ca. 4 mi ne of Palermo. 80 Comment
  CHSC34154  Marsilea vestita L. Ahart 1981-8-31 3059 Butte Wyandotte Lake, ca. 8 mi e of Oroville. 450 Comment
  CHSC36221  Fritillaria micrantha Lowell Ahart 1982-4-8 3271 Butte Along Swedes Flat Road, about 1 mile east of the Bangor Oroville Highway, about 7 miles north of Bangor. 350 Comment
  CHSC36223  Juncus leiospermus var. ahartii L. Ahart 1982-5-1 3401 Butte Around edges of a large vernal pool in one of the farmed fields, Peter Ahart Ranch, ca. 2 mi n and 0.5 mi e of Honcut. 50 Comment
  CHSC36519  Horkelia tridentata L. Ahart 1982-5-8 3413 Butte On slope above the road, ca. 1/2 mi sw of the Forbestown Reservoir, ca. 4.5 mi ne of Forbestown. 800 Comment
  CHSC36541  Poa secunda subsp. secunda L. Ahart 1982-6-4 3552 Butte 1.5 mi e of Camp 18, ca. 8 mi e of Feather Falls. 1000 Comment
  CHSC36543  Lupinus stiversii L. Ahart 1982-6-4 3547 Butte On a lava cap, 1.5 mi e of Camp 18, ca. 8 mi e of Feather Falls. 1000 Comment
  CHSC36554  Elymus triticoides L. Ahart 1982-7-10 3668 Butte Ca. 1/12 mi e of checking station, Graylodge Wildlife Refuge Station, on n side of road. 35 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
  CHSC37264  Galium aparine L. Ahart 1982-6-15 3569 Butte Ca. 1.5 mi E of Camp 18, ca. 8 mi E of Feather Falls. 1000 Comment
  CHSC37450  Caulanthus lasiophyllus L. Ahart 1982-5-29 3445 Butte Peter Ahart Ranch, ca. 1.5 mi n and 2 1/4 mi e of Honcut. 50 Comment
  CHSC39041  Circaea alpina subsp. pacifica Lowell Ahart 1983-8-16 4293 Butte N part of county, at edge of small stream that flows into Butte Creek, about 1 mile e of Butte Meadows. 1450 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
  CHSC39275  Gayophytum heterozygum Lowell Ahart 1983-7-29 4224 Butte Along the edge of the dirt road, about 2 miles south of Milsap Bar, about 23 miles north-east of Oroville. 750 Comment
  CHSC39277  Lupinus latifolius var. columbianus Lowell Ahart 1983-7-29 4235 Butte Along the dirt road, about 1.4 mile west of Milsap Bar, about 25 miles north-east of Oroville. 500 Comment
  CHSC39281  Leptosiphon filipes Lowell Ahart 1983-7-29 4257 Butte Found along the edge of the dirt road, about 3 miles east of Milsap Bar, about 25 miles north-east of Oroville. 1100 Comment
  CHSC39302  Rumex crispus Lowell Ahart 1983-6-26 4124 Butte Along Ponderosa Way, about 2 miles south-east of the intersection of the Oroville Quincy Highway and Ponderosa Way, about 15 miles north-east of Oroville. Note: the sign gives Big Ridge Road instead of Ponderosa Way. 500 Comment
  CHSC39305  Trifolium variegatum var. variegatum Lowell Ahart 1983-6-26 4129 Butte On the sides of a small stream along Ponderosa Way, about 2 miles south-east of the intersection of the Oroville Quincy Highway and Ponderosa Way, about 15 miles north-east of Oroville. Note: the sign gives Big Ridge Road instead of Ponderosa Way. 500 Comment
  CHSC39307  Trifolium willdenovii Lowell Ahart 1983-6-26 4126 Butte Along Ponderosa Way, about 2 miles south-east of the intersection of the Oroville Quincy Highway and Ponderosa Way, about 15 miles north-east of Oroville. Note: the sign gives Big Ridge Road instead of Ponderosa Way. 500 Comment
  CHSC39348  Polypogon monspeliensis Lowell Ahart 1983-6-26 4150 Butte Along the edge of Ponderosa Way, about 1 1/2 miles south-east of the East Fork of Canyon Creek, about 14 1/2 miles north-east of Oroville. Note: the sign gives Big Ridge Road instead of Ponderosa Way. 575 Comment
  CHSC39355  Silene antirrhina Lowell Ahart 1983-7-29 4243 Butte Found along the edge of the dirt road, about 1 mile east of Milsap Bar, about 25 miles north-east of Oroville. 750 Comment
  CHSC39357  Athyrium filix-femina var. cyclosorum L. Ahart; P. Ahart 1983-9-21 4461 Butte Along French Creek, ca. 3 mi n of the Sly Creek Dam, n of Strawberry Valley. 900 Comment
  CHSC39399  Lipocarpha micrantha L. Ahart 1983-9-17 4430 Butte Ca. 1/8 mi ne of Kunkle Reservoir, south of Paradise. 600 Comment
  CHSC39516  Cynosurus echinatus Lowell Ahart 1983-6-12 1495 Butte About 1 mile south of Crystal Hill, near Oregon Gulch, near Lake Oroville, about 7 miles south-west of Feather Falls. 425 Comment
  CHSC39979  Dryopteris arguta L. Ahart; P. Ahart 1983-7-24 4207 Butte At the Forbestown Reservoir, ca. 5 mi ne of Forbestown. 450 Comment
  CHSC40293  Phleum pratense Lowell Ahart 1985-7-24 5156 Butte Below the high water line of the Forbestown Res., about 50 yards south of the Generator, about 4 1/2 miles north-east of Forbestown. 350 Comment
  CHSC40326  Cercocarpus betuloides var. betuloides Lowell Ahart 1985-3-4 4843 Butte Near Kunkle Red., about 2 miles south of Paradise. 550 Comment
  CHSC40443  Rorippa curvisiliqua var. occidentalis Lowell Ahart 1985-4-20 4877 Butte On the floor of a rice field, Peter Ahart Ranch, about 2 miles north and 1/8 mile east of Honcut, about 12 miles south of Oroville. 40 Comment
  CHSC40454  Gastridium phleoides Lowell Ahart 1985-6-17 5050 Butte Near the dirt road on Fields Ridge, about 4 miles south-east of Feather Falls. 792 Comment
  CHSC40476  Crepis pleurocarpa Lowell Ahart 1985-6-30 5087 Butte 100 yards south of the road to the Forbestown Res., south of the Forbestown Ditch, about 2 1/2 miles north-east of Forbestown. 883 Comment
  CHSC40551  Lasthenia californica Ahart; Jokerst 1985-3-24 4869 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
  CHSC40643  Avena barbata Ahart; Jokerst 1985-3-24 4865 Butte Serpentine Point, west of Yankee Hill. 550 Comment
  CHSC40764  Plagiobothrys nothofulvus Ahart; Jokerst 1985-5-10 4955 Butte 10 yards north of the east branch of Potter Ravine, about 2 1/4 miles north of Oroville Dam. 320 Comment
  CHSC40901  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 1985-11-7 5230 Butte Below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, about 200 yards north-west of the Ponderosa Dam. 286 Comment
  CHSC40903  Dysphania botrys Lowell Ahart 1985-11-7 5237 Butte About 80 feet below the high water line of Lake Oroville, on a silt bar along the South Fork of the Feather River, about 400 yards north-west of the Ponderosa Dam. 277 Comment
  CHSC41889  Sidalcea gigantea Lowell Ahart 1986-8-15 5386 Butte Along a small stream, along the dirt road, about 1/2 mile south-west of Bald Mountain, about 4 1/2 miles northeast of Stirling City. 1615 Comment
  CHSC41989  Clematis lasiantha Lowell Ahart 1974-8-7 596 Butte Along the dirt road, about 3 miles east of Marble Creek, near Horseshoe, about 20 miles north-east of Oroville. 914 Comment
  CHSC42010  Selaginella hansenii Lowell Ahart 1974-7-29 690 Butte Along the dirt road 100 yards east of Rocky Honcut Creek, along Swedes Flat Road, north-east of Bangor. 304 Comment
  CHSC42015  Arctostaphylos viscida subsp. viscida Lowell Ahart 1976-2-19 1011 Butte Near Ponderosa Way, about 3 mi south of the Ponderosa Dam on the South Fork of the Feather River, about 3 mi northwest of Forbestown. 609 Comment
  CHSC42094  Sanicula graveolens Lowell Ahart 1986-7-2 5345 Butte West of the dirt road, about 2 miles north-east of Bald Mountain, south of Jones Meadow, about 6 1/2 miles north-east of Stirling City. 1767 Comment
  CHSC42104  Nicotiana acuminata var. multiflora Lowell Ahart 1986-11-9 5434 Butte Below the high water line of Lake Oroville, at the boat launch area off the Oroville Quincy Highway, near Canyon Creek, about 12 miles north-east of Oroville. 269 Comment
  CHSC42119  Lindernia dubia Lowell Ahart 1986-11-9 5443 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
  CHSC42361  Epilobium minutum Lowell Ahart 1987-5-6 5530 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42363  Epilobium ciliatum subsp. ciliatum Lowell Ahart 1987-5-6 5574 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CHSC42392  Erigeron philadelphicus Lowell Ahart 1987-6-9 5741 Butte 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
  CHSC42397  Epipactis gigantea Lowell Ahart 1987-6-9 5729 Butte Along the edge of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CHSC42484  Limnanthes alba subsp. versicolor Lowell Ahart 1987-5-12 5632 Butte South of Lumpkin Ridge Road, 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls. 1280 Comment
  CHSC42531  Lupinus albicaulis var. albicaulis Lowell Ahart 1987-5-22 5681 Butte Along the dirt road, near a small bog or meadow, about 1/8 mile north-east of Camp 18, about 6 1/2 miles north-east of Feather Falls. 1219 Comment
  CHSC42533  Vicia americana var. americana Lowell Ahart 1987-5-22 5660 Butte South of the lava cap, about 1/4 mile south of Lumpkin Ridge Road, about 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls. 1280 Comment
  CHSC42870  Erythranthe bicolor Lowell Ahart 1987-5-11 5615 Butte South of the Forbestown Ditch, about 2 1/2 miles north-east of Forbestown. 868 Comment
  CHSC42931  Trisetum canescens Lowell Ahart 1987-7-3 5750 Butte Along the edge of Poe Power House Road, about 1 mile north-west of the Poe Power House, about 1 mile south-east of Jarbo Gap. 487 Comment
  CHSC42933  Achnatherum lemmonii Lowell Ahart 1987-7-8 5793 Butte Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga. 1280 Comment
  CHSC42970  Solanum americanum Lowell Ahart 1987-7-8 5790 Butte Along Walker Plains Road, about 1/2 mile east of Highway 70, near Pulga. 457 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
  CHSC43278  Potamogeton crispus Lowell Ahart 1987-9-4 5873 Butte In drain ditch, along the Biggs Princeton Highway, under P.G. and E. power lines, about 1 mile west of Biggs. 28 Comment
  CHSC43284  Lipocarpha Lowell Ahart 1987-9-4 5876 Butte On the bottom of North Honcut Creek, about 2 miles north and 3 miles east of Honcut, about 12 miles south-east of Oroville. 67 Comment
  CHSC43416  Acmispon brachycarpus Lowell Ahart 1977-4-28 1322 Butte Along the edge of Ponderosa Way, near the Ponderosa Dam, about 4 miles north-west of Forbestown. 457 Comment
  CHSC44362  Viola Lowell Ahart 1988-3-8 5928 Butte Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville. 38 Comment
  CHSC44367  Agoseris heterophylla Lowell Ahart 1988-5-30 6025 Butte Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC44391  Lathyrus angulatus Lowell Ahart 1988-5-12 5991 Butte Open pasture field, about 1/4 mile north-east of the Honcut Cemetery, Joie Osgood Ranch, about 3 1/2 miles east and 1 1/2 miles north of Honcut. 60 Comment
  CHSC44393  Lotus corniculatus Lowell Ahart 1988-6-21 6047 Butte Along the edge of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC44406  Linum bienne Lowell Ahart 1988-6-23 6076 Butte In deep ditch, south of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC44438  Carex amplifolia Lowell Ahart 1988-6-29 6100 Butte Along a small branch of Bean Creek Road, about 3/4 mile south-east of Little Bald Rock. 944 Comment
  CHSC44456  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart 1988-6-21 6059 Butte Near the Poe Power House Road, about 1 mile south of Jarbo Gap. 609 Comment
  CHSC44474  Berberis aquifolium var. dictyota Lowell Ahart 1988-3-27 5942 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 southeast of Jarbo Gap. 350 Comment
  CHSC44488  Spergula arvensis subsp. arvensis Lowell Ahart 1988-5-12 5989 Butte Pasture field, about 1/4 mile north-east of the Honcut Cemetery, Joie Osgood Ranch, about 3 1/2 miles east and 1 1/2 miles north of Honcut. 60 Comment
  CHSC44530  Chlorogalum angustifolium Lowell Ahart 1988-5-12 5986 Butte About 1/2 mile north-east of the Honcut Cemetery, Joie Osgood Ranch, about 3 1/2 miles east and 1 1/2 miles north of Honcut. 60 Comment
  CHSC44532  Spiranthes porrifolia Lowell Ahart 1988-5-30 6032 Butte About 1/12 mile north of the bridge across the North Fork of the Feather River, along Poe Power House Road, about 2 miles south-east of Jarbo Gap. 335 Comment
  CHSC44535  Festuca arundinacea Lowell Ahart 1988-6-29 6104 Butte Along the road to the Andy Smith Ranch, about 100 yards east of Bean Creek Road, about 1 1/2 miles south-east of Little Bald Rock. 914 Comment
  CHSC44871  Centromadia pungens Lowell Ahart 1977-7-24 1494 Butte On the Gray Lodge Wildlife Refuge, south-west of Gridley. 28 Comment
  CHSC45172  Eleocharis engelmannii Lowell Ahart 1969-5-14 28 Butte Peter Ahart Ranch, about 2 miles north and 1/4 mile east of Honcut, about 12 miles south of Oroville. 36 Comment
  CHSC45177  Eleocharis acicularis var. occidentalis Lowell Ahart 1980-5-10 2225 Butte Small wash in a farmed field, about 2 1/2 miles north and 1/4 to 1/2 mile east of Honcut, Peter Ahart Ranch, about 12 miles south of Oroville. 36 Comment
  CHSC45210  Panicum acuminatum Lowell Ahart 1984-7-19 4726 Butte On road banks, about 1 1/2 miles south-east of Bald Mountain, 3/4 mile west of Oak Point, about 4 air miles north-east of Stirling City. 1371 Comment
  CHSC45215  Muhlenbergia rigens Lowell Ahart 1977-10-19 1602 Butte On the banks 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
  CHSC45221  Malacothrix floccifera Lowell Ahart 1979-6-9 1927 Butte About 1/4 mile east of Magalia. 640 Comment
  CHSC45401  Ranunculus flammula var. ovalis Lowell Ahart 1981-8-15 3032 Butte Bottom of Snag Lake, on the north side of Snag Lake, about 10 miles north of Inskip. 1371 Comment
  CHSC45403  Ranunculus hebecarpus Lowell Ahart 1974-4-11 386 Butte Peter Ahart Ranch, about 1 1/2 miles north and 3 miles east of Honcut, about 12 miles south of Oroville. 51 Comment
  CHSC45554  Atriplex triangularis Lowell Ahart 1981-11-6 3221 Butte Growing along the sides of a deep ditch, near the entrance to the Gray Lodge Waterfowl Management Area, west of Pennington Road, about 12 miles southwest of Gridley. 30 Comment
  CHSC45943  Sidalcea hartwegii Lowell Ahart 1984-5-7 4594 Butte Growing on a bare hill, east of Kunkle Creek, about 1/2 mile north of Kunkle Reservoir, about 2 miles south of Paradise. 548 Comment
  CHSC46132  Clarkia mildrediae subsp. mildrediae Lowell Ahart 1984-7-19 4745 Butte Along a logging road, near the dirt road, about 1 1/2 miles south-east of Bald Mountain, 3/4 mile west of Oak Point, about 4 air miles north-east of Stirling City. 1371 Comment
  CHSC46135  Clarkia unguiculata Lowell Ahart 1980-5-13 2266 Butte Along Pacific Heights Road, about 1 mile west of Highway 70, about 2 1/2 miles south-west of Oroville. 33 Comment
  CHSC46137  Epilobium minutum Lowell Ahart 1982-6-4 3536 a Butte 1 1/2 miles east of Camp 18, about 8 miles east of Feather Falls. 1280 Comment
  CHSC46146  Epilobium densiflorum Lowell Ahart 1977-9-20 1577 Butte Along the edges of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 2 1/2 miles east of Honcut, about 12 miles south of Oroville. 39 Comment
  CHSC46400  Horkelia tridentata Lowell Ahart 1989-5-28 6277 Butte South of Oregon Gulch Road, about 1/2 mile north of the Cementery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC46402  Crucianella angustifolia Lowell Ahart 1989-5-10 6209 Butte About 1/10 mile north-west of the West Branch Bridge across Lake Oroville. 304 Comment
  CHSC46405  Galium parisiense Lowell Ahart 1989-5-23 6259 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
  CHSC46407  Salix lucida subsp. lasiandra Lowell Ahart 1989-5-29 6317 Butte Along the gravel road to the Forbestown Reservoir, about 1 1/2 miles north-east of Forbestown Road, about 3 miles north-east of Forbestown. 792 Comment
  CHSC46536  Triglochin scilloides Lowell Ahart 1978-4-27 1668 Butte In a wash, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville. 36 Comment
  CHSC46650  Eriogonum nudum var. oblongifolium Lowell Ahart 1989-7-4 6365 Butte In a mined over area south of Oregon Gulch Road, about 1/4 mile north-west of the Cementery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC46762  Plagiobothrys nothofulvus Lowell Ahart 1980-4-30 2123 Butte About 1 mile east of the Bangor Oroville Highway along Swedes Flat Road, north of Bangor. 295 Comment
  CHSC46767  Plagiobothrys shastensis Lowell Ahart 1979-5-12 1872 Butte In pasture fields, Peter Ahart Ranch, about 1 1/2 miles north and 1 1/2 miles east of Honcut, about 12 miles south of Oroville. 45 Comment
  CHSC47396  Downingia cuspidata Lowell Ahart 1978-5-2 1701 Butte Growing in shallow water in a vernal pool, near the large parking area on top of Table Mountain, about 7 miles north of Oroville. 426 Comment
  CHSC47451  Aphyllon purpureum Lowell Ahart 1974-3-18 332 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
  CHSC47554  Juncus howellii Lowell Ahart 1981-8-15 3047 Butte On the south side of the dirt road, about 1 mile east of Coon Hollow Road, southeast of Snag Lake, about 10 miles north of Inskip. 1524 Comment
  CHSC47576  Juncus uncialis Lowell Ahart 1982-5-9 3428 Butte Around the edges of a large vernal pool in one of the farmed fields, Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville. 36 Comment
  CHSC47601  Alopecurus carolinianus Lowell Ahart 1974-4-28 442 Butte Peter Ahart Ranch, about 2 miles north and 1/2 east of Honcut, about 12 miles south of Oroville. 36 Comment
  CHSC47603  Alopecurus saccatus Lowell Ahart 1982-5-10 3429 Butte Peter Ahart Ranch, about 2 1/2 miles north and 1/8 mile east of Honcut, about 12 miles south of Oroville. 36 Comment
  CHSC47644  Elymus caput-medusae Lowell Ahart 1979-6-2 1912 Butte Wash, in one of the farmed fields, Peter Ahart Ranch, about 2 1/2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville. 36 Comment
  CHSC47669  Atriplex serenana Lowell Ahart 1989-9-28 6400 Butte On the east side of Highway 70, near Garden Drive off ramp, Thermalito. 73 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
  CHSC50640  Torilis arvensis subsp. purpurea Lowell Ahart 1990-5-25 6490 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. 271 Comment
  CHSC50642  Agoseris heterophylla Lowell Ahart 1990-6-16 6509 Butte On the south side of the dirt road, just south of the Forbestown Generator, on the south side of the Forbestown Reservoir. 487 Comment
  CHSC50645  Logfia filaginoides Lowell Ahart 1990-5-25 6480 Butte Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 271 Comment
  CHSC50647  Pseudognaphalium stramineum Lowell Ahart 1990-6-16 6522 Butte On the east side of McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC50658  Nemacladus interior Lowell Ahart 1990-5-25 6495 Butte Lake Oroville, about 1/4 mile west of the Enterprise Boat Launch Area, about 1 1/4 miles north-west of the Enterprise Bridge across Lake Oroville. 274 Comment
  CHSC50686  Keckiella breviflora var. glabrisepala Lowell Ahart 1990-5-21 6477 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. 30 Comment
  CHSC51004  Epilobium ciliatum subsp. ciliatum Lowell Ahart 1990-7-15 6562 Butte Along a small stream, below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/4 mile north-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC51019  Lindernia dubia var. anagallidea Lowell Ahart 1990-7-15 6559 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/4 mile north-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC51272  Phytolacca americana Lowell Ahart 1990-9-21 6598 Butte Peter Ahart Ranch, about 2 1/2 miles north and 1/4 mile east of Honcut, about 12 miles south of Oroville. 36 Comment
  CHSC51277  Scrophularia californica subsp. floribunda Lowell Ahart 1990-10-21 6634 Butte Growing below the high water line of Lake Oroville, about 1mile north of Nelson Bar Road, about 1/2 mile west of Gold Flat. 243 Comment
  CHSC54577  Heteranthera rotundifolia Lowell Ahart; Peter Ahart, Carl Wick 1991-7-21 6669 Butte In a rice field, about 1/4 mile south of Butte City Highway, west of the Rice Experiment Station, about 3 miles west of Highway 70, north of Biggs. 30 Comment
  CHSC58254  Madia elegans subsp. vernalis Lowell Ahart 1992-5-9 6759 Butte North of the road, on the north side of the Thermalito Diversion Pool, Lake Oroville Recreation Area, about 2 (air) miles north of Oroville. 76 Comment
  CHSC58276  Trifolium willdenovii Lowell Ahart 1992-5-23 6769 Butte Soil of a fllow rice field, on the north side of Biggs Princeton Road, about 2 miles west of Biggs. 30 Comment
  CHSC58868  Polystichum scopulinum Lowell Ahart 1992-7-29 6894 Butte About 1 mile east of the Carr Mine, about 1/2 mile north-west of Lotts Lake. 1828 Comment
  CHSC58894  Rorippa palustris var. occidentalis Lowell Ahart 1992-4-7 6745 Butte On the bottom and sides of irrigation ditches, on the south side of the Biggs Princeton Road, about 3 miles west of Biggs. 30 Comment
  CHSC59004  Carex fracta Lowell Ahart 1992-7-26 6850 Butte Near a small stream, about 1/2 mile north of the Carr Mine, about 2 (air) miles south of Snow Mountain. 1767 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
  CHSC59041  Calamagrostis canadensis Lowell Ahart 1992-7-26 6848 Butte Near a small stream, about 1/2 mile north of the Carr Mine, about 2 (air) miles south of Snow Mountain. 1767 Comment
  CHSC59054  Poa annua Lowell Ahart 1992-7-21 6823 Butte Along Coon Hollow Creek, east of the logging road, about 2 1/2 miles (air) north-east of Philbrook Reservoir. 1706 Comment
  CHSC60968  Erysimum capitatum var. capitatum Lowell Ahart 1993-7-6 7058 Butte Jackass Flat, Mooreville Ridge, about 1 (air) mile north-west of the Lost Creek Reservoir Dam. 1158 Comment
  CHSC60994  Lythrum tribracteatum Lowell Ahart 1993-6-13 6958 Butte On the bottom of a deep wash, Peter Ahart Ranch, about 2 1/4 miles north and 1/4 mile east of Honcut, about 12 miles south of Oroville. 33 Comment
  CHSC61014  Castilleja attenuata Lowell Ahart 1993-6-20 6995 Butte Jackass Flat, Mooreville Ridge, about 1 (air) miles north-west of the Lost Creek Reservoir Dam. 1158 Comment
  CHSC61296  Gnaphalium palustre Lowell Ahart 1993-7-23 7103 Butte On the west side of Fall River, about 100 yards west of the bridge across Fall River, about 6 (air) miles north-east of Feather Falls. 1036 Comment
  CHSC61310  Stellaria crispa Lowell Ahart 1993-7-31 7136 Butte On the west side of the dirt road, about 1 1/2 miles south-east of Bald Mountain, north-east of Stirling City. 1493 Comment
  CHSC61315  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 1993-7-22 7081 Butte Along Fall River, west of the bridge across Fall River, about 6 (air) miles north-east of Feather Falls. 1036 Comment
  CHSC61321  Trichostema oblongum Lowell Ahart 1993-7-29 7115 Butte Near a seep, about 2 1/2 miles north-east of Bald Mountain, about 6 1/2 miles (air) northeast of Stirling City. 1584 Comment
  CHSC61323  Plantago lanceolata Lowell Ahart 1993-7-23 7095 Butte On a large gravel bar on the west side of Fall River, about 100 yards west of the bridge across Fall River, about 6 (air) miles north-east of Feather Falls. 1036 Comment
  CHSC61368  Danthonia californica var. americana Lowell Ahart 1993-7-29 7121 Butte Near a seep, about 2 1/2 miles north-east of Bald Mountain, about 6 1/2 miles north-east of Stirling City. 1584 Comment
  CHSC61506  Viola purpurea subsp. quercetorum Lowell Ahart 1993-6-26 7043 Butte About 1/4 mile of Jackass Flat, Mooreville Ridge, about 1 1/4 miles (air) north-west of Lost Creek Reservoir. 1188 Comment
  CHSC61538  Festuca occidentalis Lowell Ahart 1993-6-16 6970 Butte South-west of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 (air) miles south-west of Forbestown. 609 Comment
  CHSC61630  Ericameria bloomeri Lowell Ahart 1993-9-8 7172 Butte Ridge top, about 1 mile east of Snow Mountain. 2103 Comment
  CHSC61635  Asyneuma prenanthoides Lowell Ahart 1993-9-13 7235 Butte On the sides of a dry wash near Bolt Creek, about 1 mile south-east of Butte Meadows. 1325 Comment
  CHSC65201  Trifolium depauperatum var. amplectens Lowell Ahart 1995-5-30 7579 Butte Along the edge of the dirt road, south of Beatson Hollow, about 1/8 mile north of Cherokee Road, North Table Mountain, about 7 miles north of Oroville. 335 Comment
  CHSC65203  Trifolium glomeratum Lowell Ahart 1995-5-30 7578 Butte Along the edge of the dirt road, under oak trees, about 1/8 mile north of Cherokee Road, North Table Mountain, about 7 miles north of Oroville. 335 Comment
  CHSC65332  Callitriche verna Lowell Ahart 1995-10-3 7668 Butte Along the north side of Butte Creek, about 150 yards east of the bridge across Butte Creek, in Butte Creek House Meadow, about 2 1/2 miles (air) north-east of Snag Lake. 1767 Comment
  CHSC65346  Polygonum polygaloides subsp. kelloggii Lowell Ahart 1995-10-3 7673 Butte East of the dirt road, along a small branch of Willow Creek, about 1/2 mile west of Humbug Summit. 1981 Comment
  CHSC68550  Brachypodium distachyon Lowell Ahart 1997-5-18 7740 Butte Clear Creek, south of the hay barn, Butte Junior College. 76 Comment
  CHSC68710  Piptatherum miliaceum Lowell Ahart 1997-5-18 7739 Butte Below the cement of the low water crossing, Clear Creek, south of the hay barn, Butte Junior College. 76 Comment
  CHSC68905  Clarkia mildrediae subsp. mildrediae Lowell Ahart 1997-7-11 7743 Butte On a road cut, on the north side 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
  CHSC68907  Carex amplifolia Lowell Ahart 1997-7-11 7749 Butte Edges of a small stream from springs, 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
  CHSC69059  Juncus howellii Lowell Ahart 1997-8-1 7761 Butte On the bottom of Little Kimshew Creek, Snow Meadow, about 1/4 mile east of Table Mountain, about 8 miles (air) northeast of Stirling City. 1524 Comment
  CHSC69107  Senecio triangularis Lowell Ahart 1997-8-1 7767 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
  CHSC69716  Cerastium fontanum subsp. vulgare Lowell Ahart 1997-10-20 7920 Butte On the west side of the sharp bend in the South Fork of the Feather River, about 1/4 mile north of the bridge across the river, about 3/4 mile north of Golden Trout Crossing, 3 miles (air) northwest of Sly Creek Reservoir Dam. 914 Comment
  CHSC70849  Triodanis perfoliata Lowell Ahart 1998-4-29 7956 Butte Peter Ahart Ranch, about 1 1/8 mile north and 1 1/8 mile east of Honcut, about 12 miles south of Oroville. 45 Comment
  CHSC71169  Thysanocarpus curvipes var. elegans Lowell Ahart 1998-6-9 7997 Butte About 1/2 mile northwest of the lone oak tree, northwest of the cow chute along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 396 Comment
  CHSC71266  Cyperus squarrosus Lowell Ahart 1998-7-1 8027 Butte About 100 yards south of a east west fence, about 5/8 mile north of the cow chute along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 403 Comment
  CHSC75375  Quercus kelloggii Lowell Ahart 1999-6-12 8084 Butte Label says 'T20N R04E S08 SW1/4, close to the border with Section 7'. Above the rim of the south branch of Coal Canyon, 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
  CHSC75420  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
  CHSC75990  Rorippa palustris var. hispida Lowell Ahart; Vernon H. Oswald 1999-8-13 8182 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
  CHSC75992  Polanisia dodecandra subsp. trachysperma Lowell Ahart; Vernon H. Oswald 1999-8-13 8157 Butte Large disturbed 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. 32 Comment
  CHSC75995  Dysphania ambrosioides Lowell Ahart 1999-8-22 8183 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
  CHSC75997  Chamaesyce maculata Lowell Ahart; Vernon H. Oswald 1999-8-13 8160 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
  CHSC76410  Amaranthus rudis Lowell Ahart 1999-10-28 8316 Butte West side of a large pond, large disturbed area along the east side of the Sacramento River, nnorthwest 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
  CHSC76412  Xanthium strumarium Lowell Ahart 1999-10-28 8313 Butte On the west side of a large pond, area along the east side of the Sacramento River, northwest of Parrot Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 32 Comment
  CHSC76415  Bergia texana Lowell Ahart 1999-10-28 8308 Butte 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 9air) southwest of Chico. 32 Comment
  CHSC76417  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 1999-10-28 8310 Butte Just north of where the river meets the east bank, 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
  CHSC76421  Veronica anagallis-aquatica Lowell Ahart 1999-10-28 8299 Butte Along the east side of the Sacramento River, northwest of Parrott Landing, about 1mile southeast of Ord Ferry, about 2miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 32 Comment
  CHSC76423  Solanum rostratum Lowell Ahart 1999-10-28 8320 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
  CHSC77814  Cotula australis Lowell Ahart 2000-3-25 8323 Butte Waste area near the west side of the Ehmann Home, northeast of the Oroville Post Office, Oroville. 36 Comment
  CHSC77992  Centunculus minimus Lowell Ahart 2000-5-13 8355 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
  CHSC77997  Castilleja attenuata Lowell Ahart 2000-5-13 8349 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. 42 Comment
  CHSC78134  Callitriche trochlearis Lowell Ahart 2000-5-21 8380 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
  CHSC78218  Agrostis elliottiana Lowell Ahart 2000-5-16 8358 Butte On the margins of the Thermalito Afterbay, on the south and north 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
  CHSC78224  Hainardia cylindrica Lowell Ahart 2000-5-17 8364 Butte Near the south margin of the Thermalito Afterbay, on the poor dirt road, about 1/10 mile north of the Richvale Highway, about 1/2 mile east of Highway 99, about 7 1/2 mioles (air) west of Oroville. 42 Comment
  CHSC78260  Leptosiphon filipes Lowell Ahart 2000-6-27 8526 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
  CHSC78265  Rubus armeniacus Lowell Ahart 2000-6-29 8546 Butte In the north part of Flea Meadow, about 1/2 mile west of Flea Mountain, about 3 1/2 miles (air) north of Concow Reservoir, about 5 miles (air) east of Magalia. 1036 Comment
  CHSC78291  Eleocharis macrostachya Lowell Ahart 2000-6-21 8498 Butte In a small seep, south of Parking Area P, north of the Salmon Hole, Upper Bidwell Park, about 3 1/3 miles (air) northeast of Manzanita Avenue, Chico. 106 Comment
  CHSC78553  Aristida dichotoma Lowell Ahart; Vernon H. Oswald 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
  CHSC78569  Eleocharis radicans Lowell Ahart 2000-9-4 8686 Butte Along the west margin of a large pond, 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. 32 Comment
  CHSC82229  Pilularia americana Lowell Ahart 2002-4-14 9482 Butte Area between the Railroad and the Midway Road, 50 yards south of Nelson Dlavo Road, in Nelson. 36 Comment
  CHSC82236  Plantago elongata Lowell Ahart 2002-3-24 9428 Butte On the east side of Table Mountain Boulevard, about 100 yards south of the bridge across the drainage from Beatson Hollow, about 5 miles (air) northwest of Oroville. 76 Comment
  CHSC82258  Gratiola ebracteata Lowell Ahart 2002-4-24 9533 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
  CHSC82378  Vulpia myuros var. myuros Lowell Ahart 2002-6-2 9678 Butte In a meadow, southwest of the intersection of Black Bart Road and Forbestown Road, about 3 miles (air) southwest of Forbestown. 670 Comment
  CHSC82384  Rosa Lowell Ahart 2002-6-7 9709 Butte On the north banks 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. 36 Comment
  CHSC82428  Brachypodium distachyon Lowell Ahart 2002-5-7 9634 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
  CHSC82490  Calystegia occidentalis subsp. occidentalis Lowell Ahart; John Dittes, Josephine Guardino 2002-6-21 9734 Butte On a mountainside, Watson Ridge, about 2 miles (air) northeast of Bald Rock Dome, about 5 miles (air) north of Feather Falls (the town). Comment
  CHSC82511  Galium parisiense Lowell Ahart; John Dittes, Josephine Guardino 2002-6-21 9748 Butte On the south 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
  CHSC83899  Trifolium jokerstii Lowell Ahart 2003-4-15 10096 Butte Edges of the vernal pool, about 200 feet north of the deep drainage that flows into Beatson Hollow, wet of Hendricks ditch, about 2 miles northwest of the iron gate and fence, northwest of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 266 Comment
  CHSC83900  Isoetes nuttallii Lowell Ahart 2003-4-15 10094 Butte High water line of the vernal pool, about 70-100 feet southwest of the section corner pipe, about 1/8 mile southwest of the tall Digger Pine on the south edge of Beatson Hollow, about 1 1/4 miles northwest of the iron gate and fence, northwest of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 299 Comment
  CHSC83902  Sanicula tuberosa Lowell Ahart 2003-4-15 10101 Butte Slopes of Beatson Hollow, southwest of drainage entering Beatson Hollow, about 1 1/4 miles northwest of the iron gate and fence, northwest of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 284 Comment
  CHSC83905  Lomatium utriculatum Lowell Ahart 2003-4-10 10067 Butte On the top of cliffs, on the east rim of South Table Mountain, about 2 1/2 miles (air) north of Oroville. 332 Comment
  CHSC83907  Pentagramma triangularis subsp. triangularis Lowell Ahart 2003-4-10 10075 Butte Below the basalt cliffs, on the east rim of South Table Mountain, about 2 1/2 miles (air) north of Oroville. 309 Comment
  CHSC83948  Thysanocarpus radians Lowell Ahart 2003-3-24 10023 Butte Fields, about 50 yards north of the access road to the boat ramp at the Thermalito Afterbay, about 200 yards west of Larkin Road, about 1 1/4 miles south of the Oroville Airport, about 5 miles (air) southwest of Oroville. 48 Comment
  CHSC83950  Plantago elongata Lowell Ahart 2003-3-31 10027 Butte On the south side of the access road to the boat ramp at the Thermalito Afterbay, about 300 yards west of Larkin Road, about 1 1/4 miles south of the Oroville Airport, about 5 miles (air) southwest of Oroville. 43 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
  CHSC84031  Epilobium densiflorum Lowell Ahart 2003-6-18 10288 Butte On the west side of North Honcut Creek, about 2 1/2 miles north and 2 2/3 miles east of Honcut, about 12 miles southeast of Oroville. 60 Comment
  CHSC84033  Ammannia robusta Lowell Ahart 2003-6-19 10294 Butte In a rice field, Peter Ahart Ranch, about 300 yards east of the Palermo Honcut Highway, about 2 1/8 miles north of Honcut, about 12 miles south of Oroville. 30 Comment
  CHSC84077  Uropappus lindleyi Lowell Ahart 2003-5-15 10178 Butte On the west side of North Honcut Creek, about 2 1/2 miles north and 2 2/3 miles east of Honcut, about 12 miles southeast of Oroville. 60 Comment
  CHSC84083  Dysphania botrys Lowell Ahart 1985-5-6 4936 Butte On the bottom of Lindo Channel, about 1/10 mile east of Longfellow Avenue, Chico. 60 Comment
  CHSC84204  Poa howellii Lowell Ahart 2003-6-30 10325 Butte Near the small stream, on the south side of Ponderosa Way, about 2 miles (by road) southwest of the Ponderosa Dam, about 2 miles (air) northwest of Forbestown. 490 Comment
  CHSC84219  Dryopteris arguta Lowell Ahart 2003-7-12 10375 Butte On the sides of a wash, on the west side of Milsap Bar Road, about 1/8 mile south of the bridge across the North Fork of the Feather River, about 4 miles (air) northeast of the Brush Creek Work Center, about 20 miles (air) northeast of Oroville. 997 Comment
  CHSC84254  Downingia cuspidata Lowell Ahart 2003-5-28 10227 Butte Center of a vernal pool, about 100 feet west of Hendricks ditch, about 1 3/4 miles northwest of the iron gate and fence, northwest of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 271 Comment
  CHSC84276  Triodanis perfoliata Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2003-5-27 10219 Butte East face of cliff, just above the Iahi Trail on the water ditch, just south of a small drainage, about 150 yardswest of Bear Hole, just north of Parking Area J, Upper Bidwell Park, about 3 1/4 miles east of Manzanita Avenue, Chico. 106 Comment
  CHSC84338  Torreyochloa pallida var. pauciflora Lowell Ahart 2003-8-24 10541 Butte In Butte Creek, in Butte Creek House Meadow, about 100 yards east of the road, about 9 miles (air) east of Butte Meadows. 1777 Comment
  CHSC84418  Athyrium filix-femina var. cyclosorum Lowell Ahart 2003-8-26 10544 Butte On the west side of the dirt road, west of where Pinkard Creek flows into the Lost Creek Reservoir, about 3/8 mile north of the Lost Creek Reservoir Dam, 1 1/8 mile (air) southwest of the Sly Creek Reservoir Dam. 996 Comment
  CHSC87164  Pseudognaphalium thermale L. Ahart 1983-9-17 4435 Butte Along edge of dirt road, ca. 2.5 mi s of Stirling City. On slope below the dirt road. 1100 Comment
  CHSC87230  Cotula australis Lowell Ahart 2004-3-12 10703 Butte Grave of Tillie Moody, east of the entrance gate, Thompson Flat Cemetery, about 1/8 mile east of Cherokee Road, about 1 mile north of Oroville. 61 Comment
  CHSC87889  Malacothrix floccifera Lowell Ahart 2004-6-22 11113 Butte Road cut, on the north side of Doe Mill Road, about 1/12 mile southwest of the bridge across Butte Creek, about 2 miles (air) southeast of Forest Ranch, about 5 miles (air) west of Stirling City. 692 Comment
  CHSC90206  Polypodium calirhiza Lowell Ahart; P. Maslin, S. Green, J. Guardino, J. Dittes 2005-2-6 11553 Butte Big Chico Creek Ecological Reserve. At the base of Lovejoy Basalt cliffs, about 300 yards west of Highway 32, about 8 miles northeast of Chico. 406 Comment
  CHSC90996  Lasthenia fremontii Lowell Ahart 2005-5-11 11806 Butte Margins of a small 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
  CHSC91469  Hesperolinon disjunctum Lowell Ahart 2005-7-12 12141 Butte Poor road on the south side of Forest Road 21N40, about 100 yards west of Encina Grade Road (Bloomer Hill Road)(Forest Road 21N39), about 3/4 mile (air) west of Bloomer Hill, about 6 miles west of Oroville Quincy Highway. 822 Comment
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Jul 18 2018
  CHSC92046  Hypochaeris radicata Lowell Ahart 2005-8-19 12333 Butte On the east side of North Honcut Creek, about 1 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles (air) southeast of Oroville. 49 Comment
  CHSC92384  Polystichum imbricans subsp. imbricans Lowell Ahart 2005-11-12 12488 Butte On the west side of Dark Canyon Creek, about 150 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
  CHSC92511  Lolium multiflorum Lowell Ahart 2005-12-11 12519 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
  CHSC92513  Avena fatua Lowell Ahart 2005-12-11 12515 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
  CHSC93379  Trifolium depauperatum var. depauperatum Lowell Ahart 2006-4-27 12537 Butte Pasture fields, Peter Ahart Ranch, about 1 1/4 miles north and 1 1/4 miles east of Honcut. 39 Comment
  CHSC93445  Penstemon azureus var. azureus Lowell Ahart 2006-5-10 12618 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
  CHSC93447  Trifolium ciliolatum Lowell Ahart 2006-5-10 12629 Butte Road bank, on the north side of the dirt road, Bardees Bar Road, about 4 miles (air) southwest of Pulga. 444 Comment
  CHSC93458  Sanicula bipinnatifida var. flava Lowell Ahart 2006-5-8 12601 Butte Steep bank on the south side of a small stream, about 50 yards east of the fence and reservoir, about 2 1/4 miles west of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 296 Comment
  CHSC93500  Minuartia californica Lowell Ahart 2006-5-8 12590 Butte Margins of a vernal pool, about 80 yards south of the three Gray Pines on the rim of Coal Canyon, about 1 3/4 miles northwest of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 346 Comment
  CHSC93502  Silene gallica Lowell Ahart 2006-5-8 12592 Butte About 300 yards south of the three Gray Pines on the rim of Coal Canyon, about 2 miles northwest of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 336 Comment
  CHSC93505  Poa secunda subsp. secunda Lowell Ahart 2006-5-10 12615 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
  CHSC93507  Trifolium microcephalum Lowell Ahart 2006-5-10 12613 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
  CHSC93794  Bromus laevipes Lowell Ahart 2006-5-19 12631 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
  CHSC93857  Collinsia tinctoria Lowell Ahart 2006-6-9 12654 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
  CHSC94243  Plagiobothrys hispidulus Lowell Ahart 2006-7-16 13001 Butte On the west side of the poor dirt road, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows. 1524 Comment
  CHSC94254  Elymus trachycaulus subsp. subsecundus Lowell Ahart 2006-7-16 12999 Butte On the northwest edge of Willow Creek, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows. 1515 Comment
  CHSC94338  Drosera rotundifolia Lowell Ahart 2006-7-25 13065 Butte West part of a large meadow and bog, about 20 yard ... Field redacted by CHSC, contact the data manager for more information 1569 Comment
  CHSC94460  Prosopis glandulosa var. torreyana Lowell Ahart; Mike G. Womack 2006-8-29 13240 Butte Near pump 24, about 1/4 mile southwest of Parking Lot 9, about 1 1/2 miles east of Pennington Road, Gray Lodge Wildlife Area (Gray Lodge Waterfowl Management Area). 21 Comment
  CHSC94493  Collomia tinctoria Lowell Ahart 2006-8-15 13190 Butte East part of a large meadow with bogs, 5 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
  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
  CHSC94594  Cyperus squarrosus Lowell Ahart 2006-9-11 13310 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
  CHSC95989  Azolla microphylla Lowell Ahart 2007-2-14 13562 Butte Dredge ponds along the east side of Wilson Creek, about 1/2 mile north of the Honcut Cemetary, about 3 3/4 miles (air) northeast of Honcut. 49 Comment
  CHSC96816  Cryptantha affinis Lowell Ahart 2007-5-29 13926 Butte Near the southeast edge of Bald Rock Dome, on the west side of the Dome Trail, trail leads to the Middle Fork of the Feather River, about 1 1/2 miles by the trail from the trail head which is 3/10 mile east of Bean Creek Road, about 2 miles (air) northeast of Big Bald Rock, about 16 miles (air) northeast of Oroville. 636 Comment
  CHSC96916  Juncus patens Lowell Ahart 2007-7-2 14246 Butte On the north side of Big Ridge Road, about 20 yards south of Minnie Creek, about 1 1/2 miles east of the Oroville Quincy Highway, about 10 miles (air) northeast of Oroville. 680 Comment
  CHSC97127  Amaranthus hybridus Lowell Ahart 2007-7-2 14241 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
  CHSC97696  Kickxia elatine Lowell Ahart 2007-10-31 14519 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
  CHSC98970  Briza minor Lowell Ahart 2008-5-12 14739 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 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
  CHSC98975  Sagina decumbens subsp. occidentalis Lowell Ahart 2008-5-12 14732 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 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
  CHSC98977  Mimulus guttatus Lowell Ahart 2008-5-12 14737 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 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
  CHSC98981  Trifolium ciliolatum Lowell Ahart 2008-5-12 14744 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 northwest of the Ponderosa Dam. 258 Comment
  CHSC98983  Spergularia rubra Lowell Ahart 2008-5-8 14712 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
  CHSC99016  Hordeum murinum subsp. leporinum Lowell Ahart 2008-5-21 14781 Butte Dry bare granite soil, below the high water line of Lake Oroville, on the north 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
  CHSC99761  Plantago major Lowell Ahart 2008-7-23 15145 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
  CHSC99819  Juncus trilocularis Lowell Ahart 2008-6-13 14814 Butte Bottom of a small mined wash, about 50 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville. 324 Comment
  HSC100728  Ranunculus hebecarpus Lowell Ahart 2009-4-22 15592 Butte Along the Guardians Trail, ~100 yd. N of Pine Trail, Upper Bidwell Park, W of the intersection of Hwy. 32 and Ten Mile House Rd., 10 mi. NE of Chico. 382 Comment
  HSC100819  Juncus effusus subsp. effusus Lowell Ahart 2011-8-19 17636 Butte ~30 yd. E of Know-northing Creek, N side of Lumpkin Ridge Rd., 1/2 mi. SW of the intersection of Lumpkin Ridge Rd., County Rd. and road to Cascade, 5 (air) mi. NE of Feather Falls. 1225 Comment
  HSC104028  Juncus effusus subsp. pacificus L. Ahart 2008-7-23 15152 Butte About 11 mi. E of Oroville, ~ 0.75 mi. SW of the Enterprise Bridge, on the east side of McCabe Creek, below the high water line of Lake Oroville 243 Comment
  HSC93378  Gastridium phleoides L. Ahart 1995-5-30 7584 Butte S of Beatson Hollow, 1/8 mi. N of Cherokee Road, N Table Mtn., 7 mi. N of Oroville. 335 Comment
  HSC95808  Eleocharis engelmannii L. Ahart 2003-6-23 10302 Butte Fallow rice field on Peter Ahart Ranch, 300 yds. E of Palermo Honcut Hwy., 2 1/8 mi. N of Honcut, 12 mi. S of Oroville 30 Comment
  HSC97070  Phytolacca americana L. Ahart 2004-9-28 11405 Butte S side of the Oroville Chico Hwy., W of Butte Creek, 1 1/8 mi. SE of the Midway, 2 1/8 mi. NE of Durham, 3.5 mi. SE of Chico 58 Comment
  HSC97081  Coronilla varia L. Ahart 2006-6-24 12862 Butte On Cohasset Ridge, about 4 mi. NE of Cohasset, E side of Ponderosa Way. 1113 Comment
  HSC97110  Trifolium ciliolatum L. Ahart 2006-5-2 12553 Butte Peter Ahart Ranch, about 2 1/2 mi. N and 1 1/8 mi. E of Honcut, about 12 mi. SE of Oroville 33 Comment
  JEPS102576  Melilotus officinalis Lowell Ahart 2001-6-13 8817 Butte On the sides of the dirt road east of the large pump, on the south side of Evans-Reimer Road, about 1 miles east of Pennington Road, Gray Lodge Waterfowl Management Area, about 4 miles (air) SW of Gridley. 22 Comment
  JEPS103283  Vulpia bromoides Lowell Ahart 2002-5-7 9637 Butte High banks of a pond, at the beginning of a SE 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
  JEPS103336  Crypsis schoenoides Lowell Ahart 2002-10-17 10000 Butte On the hills below the high water line of Lake Oroville, ca 1 1/2 miles S of Highway 162 (Oroville Quincy Highway), ca 3 miles (air) NE of Oroville Dam. 227 Comment
  JEPS103605  Bromus catharticus Lowell Ahart 2002-4-15 9493 Butte On a canal bank, on the W side of Faris Road, 3 miles W of West Biggs Gridley Road, ca 3 miles (air) SW of Biggs. 24 Comment
  JEPS103611  Crassula tillaea Lowell Ahart 2002-4-10 9479 Butte Along the edge of the gravel roads, E of Parking Lot 10, Gray Lodge State Wildlife Management Area, ca 4 miles (air) SW of Gridley. 22 Comment
  JEPS104074  Cyperus eragrostis Lowell Ahart 2003-6-30 10329 Butte Near the small stream, on the w side of Ponderosa Way, ca 1 1/2 mi (by road) sw of the Ponderosa Dam, ca 2 mi (air) nw of Forbestown. 404 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
  JEPS104300  Limnanthes alba subsp. versicolor Lowell Ahart 2003-4-15 10097 Butte Slopes of Beatson Hollow, sw of drainage entering 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. 284 Comment
  JEPS104320  Epilobium campestre Lowell Ahart 2003-6-23 10313 Butte In a rice field, Peter Ahart Ranch, ca 300 yd e of the Palermo Honcut Highway, ca 2 1/8 mi n of Honcut, ca 12 mi south of Oroville. 30 Comment
  JEPS104343  Lythrum portula Lowell Ahart 2003-6-23 10301 Butte In a rice field, Peter Ahart Ranch, ca 300 yd e of Palermo Honcut Highway, ca 2 1/8 mi n of Honcut, ca 12 mi south of Oroville. 30 Comment
  JEPS104597  Juncus Lowell Ahart 2003-8-6 10473 Butte Along seeps, on the n side of Bean Creek Rd, ca 1/2 mi se of Little Bald Rock, ca 2 1/2 mi (air) se of Brush Creek. 988 Comment
  JEPS104646  Lessingia virgata Lowell Ahart 2003-8-3 10464 Butte On the w side of North Honcut Creek, ca 2 1/2 mi n and 2 1/2 mi e of Honcut, ca 12 mi (air) se of Oroville. 60 Comment
  JEPS106049  Eriogonum vimineum Lowell Ahart 2004-7-11 11224 Butte On the southeast edge 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
  JEPS106116  Cystopteris fragilis Lowell Ahart 2004-6-22 11116 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 miles (air) west of Stirling City 628 Comment
  JEPS106136  Gratiola ebracteata Lowell Ahart 2004-7-11 11228 Butte Below the high water line, on the northeast shore of Paradise Lake, about 1/4 mile southeast of Mosquito Creek, about 4 miles (air) southwest of Stirling City 814 Comment
  JEPS106370  Eleocharis decumbens Lowell Ahart 2004-8-2 11330 Butte Small bog in a large meadow, about 200 yards east of Keyser Creek, on the north side of the dirt County Road, about 3/4 mile (air) northeast of Oak Point, about 1/2 mile (air) west of Big Kimshew Creek, about 1 3/4 miles southeast of Bald Mountain 1452 Comment
  JEPS107279  Anthriscus caucalis Lowell Ahart 2005-4-18 11729 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
  JEPS107416  Crassula tillaea Lowell Ahart, Paul Maslin, John Dittes 2005-3-17 11662 Butte Big Chico Creek Ecological Reserve. About 50 yards 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
  JEPS107436  Aphanes occidentalis Lowell Ahart, Paul Maslin, John Dittes 2005-3-17 11660 Butte Big Chico Creek Ecological Reserve. Burned area, ca. 50 yd S of fence, on the E side of the poor dirt road, ca. 1/8 mi NW of the Indian Cave, ca. 3/4 mi W of Big Chico Creek, ca. 4 1/2 mi (air) NE of Chico 481 Comment
  JEPS107674  Dryopteris arguta Lowell Ahart 2005-1-20 11473 Butte On the west side of McCabe Creek, above the high water line of Lake Oroville, about 1/4 mile south of the siphon, about 3 miles (air) northeast of Hurleton, about 7 miles (air) east of Oroville Dam 304 Comment
  JEPS107914  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
  JEPS108137  Pentagramma triangularis subsp. semipallida Lowell Ahart 2005-11-12 12482 Butte Steep road cut on the east side of Dark Canyon Road, south of the large parking area, south of the gate, end of Dark Canyon Road, about 3 miles (air) south of Highway 70 at Big Bend Road 293 Comment
  JEPS108718  Rosa gymnocarpa Lowell Ahart 2006-6-24 12856 Butte On the west side of the dirt road (Ponderosa Way), at an intersection, a gated road goes northwest, on Cohasset Ridge, about 3 3/4 miles (air) northeast of Cohasset 1128 Comment
  JEPS108732  Madia exigua Lowell Ahart 2006-6-9 12650 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
  JEPS108740  Navarretia divaricata subsp. divaricata Lowell Ahart 2006-7-16 13002 Butte On the west side of the poor dirt road, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows 1524 Comment
  JEPS108771  Plagiobothrys hispidulus Lowell Ahart 2006-7-16 13001 Butte On the west side of the poor dirt road, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows 1524 Comment
  JEPS108773  Polygonum polygaloides subsp. kelloggii Lowell Ahart 2006-7-16 13006 Butte On the west side of the poor dirt road, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows 1524 Comment
  JEPS108822  Sanicula bipinnatifida var. flava Lowell Ahart 2006-5-8 12601 Butte Steep bank on the south side of a small stream, about 50 yards east of the fence and reservoir, about 2 1/4 miles west of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville 296 Comment
  JEPS108825  Penstemon azureus var. azureus Lowell Ahart 2006-5-10 12618 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
  JEPS108833  Mentha pulegium Lowell Ahart 2006-7-4 12913 Butte Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville 29 Comment
  JEPS108852  Micropus californicus var. californicus Lowell Ahart 2006-5-10 12624 Butte Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, south of the small stream, about 200 yards northwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga 385 Comment
  JEPS108855  Mimulus aurantiacus subsp. aurantiacus Lowell Ahart 2006-5-10 12617 Butte Road cut bank, on the N side of the poor dirt road, Bardees Bar Road, about 100 yars N of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) SW of Pulga. 354 Comment
  JEPS108858  Trifolium microcephalum Lowell Ahart 2006-5-10 12613 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
  JEPS108864  Cuscuta pentagona Lowell Ahart 2006-10-1 13388 Butte Bottom of a large dredger pond, west of North Honcut Creek, about 2 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles (air) southeast of Oroville 54 Comment
  JEPS108956  Chenopodium pumilio Lowell Ahart 2006-9-11 13283 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
  JEPS110089  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart 2006-8-15 13187 Butte Bare shallow drainage, east part of a large meadow with bogs, 5 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
  JEPS110126  Trifolium obtusiflorum Lowell Ahart 2006-9-28 13370 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
  JEPS110187  Minuartia californica Lowell Ahart 2006-4-28 12551 Butte About 150 yards south of the rim of Beatson Hollow, about 1 mile (air) west of the Iron Gate along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville 333 Comment
  JEPS110247  Minuartia cismontana Lowell Ahart 2006-5-3 12556 Butte Basalt outcrops, about 1/4 mile north of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville 409 Comment
  JEPS110330  Cyperus flavescens Lowell Ahart 2006-10-8 13429 Butte Mud flat, near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House 609 Comment
  JEPS110444  Vulpia myuros var. hirsuta Lowell Ahart 2005-12-11 12522 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
  JEPS110514  Panicum dichotomiflorum subsp. dichotomiflorum Lowell Ahart 2006-10-13 13505 Butte Peter Ahart Ranch, about 1 1/2 mile north and 1 1/8 miles east of Honcut, about 12 miles southeast of Oroville 33 Comment
  JEPS113137  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
  JEPS113207  Symphoricarpos albus var. laevigatus Lowell Ahart 2007-5-16 13889 Butte On the east side of Jordan Hill Road, about 1/10 mile northwest of the bridge across Concow Creek, about 1 1/2 miles (air) southwest of Concow Reservoir 436 Comment
  JEPS113227  Polypodium calirhiza Lowell Ahart 2007-5-16 13892 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.1 480 Comment
  JEPS113257  Festuca occidentalis Lowell Ahart 2007-5-29 13942 Butte On the south side of Dome Trail, trail leads to the Middle Fork of the Feather River, about 200 yards northeast of trail head which is 3/10 mile east of Bean Creek Road, about 2 miles (air) northeast of Big Bald Rock, about 16 miles (air) northeast of Oro 844 Comment
  JEPS113497  Veronica catenata Lowell Ahart 2007-7-8 14272 Butte Along 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
  JEPS113699  Eragrostis pectinacea var. pectinacea Lowell Ahart 2007-6-12 14083 Butte E side of Rockefeller Road, at the intersecton of Bald Rock Road and Rockefeller Road, about 13 mi (air) NE of Oroville 1011 Comment
  JEPS113833  Juncus effusus subsp. pacificus Lowell Ahart 2007-7-2 14248 Butte On the north side a water ditch, about 30 yards south of Oroville Dam Boulevard, about 1/4 mile southwest of the old overlook, about 4 miles (air) northeast of Oroville 166 Comment
  JEPS113852  Juncus triformis Lowell Ahart 2007-6-12 14070 Butte Along swales, in a large bare granite opening (about an acre in size), northeast of Little Bald Rock, about 300 yards east of Bean Creek Road, about 16 miles (air) northeast of Oroville 1009 Comment
  JEPS113855  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
  JEPS113864  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
  JEPS113872  Juncus ensifolius Lowell Ahart 2007-7-15 14303 Butte Along the east side of Encina Grande Road (Bloomer Hill Road), about 50 yards north of the home, about 1/4 miles (air) southwest of Bloomer Hill 808 Comment
  JEPS113878  Juncus acuminatus Lowell Ahart 2007-7-7 14263 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
  JEPS114682  Artemisia douglasiana Lowell Ahart 2008-6-23 15150 Butte N side of Ponderosa Way, N of the water fall, about 1 mi (air) SW of the Ponderosa Dam, about 2 1/4 mi (air) NW of Forbestown 482 Comment
  JEPS114727  Veronica americana Lowell Ahart 2008-5-8 14715 Butte Below the high water line of Lake Oroville, about 150 yards south of the poor parking area, on the east side of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville 259 Comment
  JEPS114969  Erodium cicutarium Lowell Ahart 2008-5-21 14765 Butte Below the high water line of Lake Oroville, on the 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
  JEPS114981  Carex feta Lowell Ahart 2008-6-13 14818 Butte East side of a small meadow, bottom of an old gold mined area, about 150 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville 311 Comment
  JEPS114983  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2008-6-13 14824 Butte about 350 yds SW of the cemetery, about 50 yds N of Oregon Gulch, about 10 mi (air) NE of Oroville 305 Comment
  JEPS115150  Mentha arvensis Lowell Ahart 2009-11-19 16543 Butte North of the rose thicket, about 30 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 209 Comment
  JEPS115185  Chenopodium botrys Lowell Ahart 2009-6-19 15948 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
  JEPS115188  Rumex acetosella Lowell Ahart 2009-6-19 15940 Butte On dry soil, open area north of a pond and table, about 50 yards south 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 232 Comment
  JEPS115242  Ranunculus muricatus Lowell Ahart 2009-4-3 15538 Butte On the north and south side of the gravel road, east of the Cedar Grove parking area in Lower Bidwell Park, Chico 67 Comment
  JEPS115245  Veronica arvensis Lowell Ahart 2009-4-3 15535 Butte Along the north margin of the gravel road, east of the Cedar Grove parking area in Lower Bidwell Park, Chico 67 Comment
  JEPS115281  Lolium multiflorum Lowell Ahart 2009-5-8 15669 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
  JEPS115347  Amaranthus deflexus Lowell Ahart 2009-7-3 15983 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
  JEPS115591  Matricaria discoidea Lowell Ahart 2009-4-22 15568 Butte Along the 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
  JEPS115593  Sidalcea hartwegii Lowell Ahart 2009-4-22 15583 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
  JEPS115602  Heuchera micrantha var. erubescens Lowell Ahart 2009-5-23 15738 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
  JEPS115605  Rubus ursinus Lowell Ahart 2009-5-23 15736 Butte Along the west edge of a meadow and the east bank of Big Chico Creek, west 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
  JEPS115608  Rhamnus tomentella subsp. tomentella Lowell Ahart 2009-5-23 15724 Butte On the south 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 311 Comment
  JEPS115613  Sisyrinchium bellum Lowell Ahart 2009-5-23 15734 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
  JEPS115622  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
  JEPS115625  Clarkia purpurea subsp. quadrivulnera Lowell Ahart 2009-5-15 15677 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 235 Comment
  JEPS115628  Senecio sylvaticus Lowell Ahart 2009-5-15 15692 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
  JEPS115633  Umbellularia californica Lowell Ahart 2009-8-20 16286 Butte Below rim edge, west edge of the open area 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 Chic 398 Comment
  JEPS115652  Heliotropium europaeum Lowell Ahart 2009-8-13 16277 Butte In the channel, 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
  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
  JEPS115658  Scutellaria siphocampyloides Lowell Ahart 2009-5-30 15808 Butte On the southeast side of Guardians Trail, about 10 yards south 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 436 Comment
  JEPS115664  Sonchus oleraceus Lowell Ahart 2009-5-30 15791 Butte By a small rock about 50 yards south of the fence and about 120 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
  JEPS115672  Trifolium glomeratum Lowell Ahart 2009-5-30 15777 Butte On the north 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 356 Comment
  JEPS115678  Chamaesyce maculata Lowell Ahart 2009-10-7 16407 Butte Larkin Road access to the Thermalito Afterbay, about 5 miles (air) southwest of Oroville 41 Comment
  JEPS115726  Rumex stenophyllus Lowell Ahart 2009-7-4 15996 Butte On the sides of the road, near parking lot 18, Gray Lodge Waterfowl Management Area, about 7 miles (air) southwest of Gridley 19 Comment
  JEPS115816  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
  JEPS115836  Linanthus bicolor Lowell Ahart 2009-4-22 15585 Butte Along the Guardians Trail, just south side of the small 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
  JEPS115847  Mimulus aurantiacus var. grandiflorus Lowell Ahart 2009-4-22 15602 Butte West side of the 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
  JEPS115953  Nassella pulchra Lowell Ahart 2009-4-26 15617 Butte In a small open meadow, about 150 yards southwest 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 norhteast of Chico 286 Comment
  JEPS116122  Polystichum imbricans subsp. curtum Lowell Ahart 2009-5-23 15741 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 Highwat 32, about 10 miles northeast of Chico 234 Comment
  JEPS116131  Equisetum laevigatum Lowell Ahart 2009-5-15 15685 Butte On the east side of Big Chico Creek, about 50 years west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west Highway 32, about 10 miles northeast of Chico 203 Comment
  JEPS117191  Plagiobothrys glyptocarpus var. glyptocarpus Lowell Ahart 2010-6-9 16785 Butte On damp to wet dark soil, bottom of a 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 1/2 miles (air) northeast of Oroville 398 Comment
  JEPS117267  Polygonum bidwelliae Lowell Ahart 2010-5-14 16642 Butte On the bottom of the old Humboldt Road, Disc Golf Area, about 150 yards north of the entrance to the Disc Golf Area, about 40 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico 395 Comment
  JEPS117411  Scribneria bolanderi Lowell Ahart 2010-5-22 16714 Butte About 140 yards east of the fence, about 240 yards east of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville 392 Comment
  JEPS117413  Sidalcea glaucescens Lowell Ahart 2010-9-28 17246 Butte Along the east side 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
  JEPS117428  Arctostaphylos mewukka subsp. mewukka Lowell Ahart 2010-7-27 16913 Butte About 100 yards southwest of the intersection of Forbestown Road and Black Bart Road, about 11 miles east of Oroville 741 Comment
  JEPS117433  Eremocarpus setiger Lowell Ahart 2010-9-12 17148 Butte Below the high water line of Lake Oroville, about 150 yards north of the South Fork of the Feather River, about 50 yards east of Sucker Creek, about 1/4 mile (air) northwest of the Ponderosa Dam 243 Comment
  JEPS117520  Chorizanthe stellulata L. Ahart 2010-5-23 16735 Butte West side of Pine Trail, about 40 yards west of Highway 32, about 9 air miles northeast of Chico 479 Comment
  JEPS117541  Lythrum hyssopifolia Lowell Ahart 2010-6-9 16780 Butte On the east side of vernal pool full of dodder, about 30 yards south of the poor dirt road, about 60 yards west of the fence, about 1/4 mile east of Cherokee Road, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville 392 Comment
  JEPS117543  Mimulus guttatus Lowell Ahart 2010-6-9 16775 Butte On damp to wet soil, bottom of a vernal pool, 10 yards north of the poor dirt road, about 100 yards east of the fence, about 150 yards east of where you park, east of Cherokee Road, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville 384 Comment
  JEPS117550  Lythrum hyssopifolia Lowell Ahart 2010-6-20 16830 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
  JEPS117714  Briza maxima Lowell Ahart 2010-5-16 16692 Butte About 1/4 mile south of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville 368 Comment
  JEPS118347  Juncus uncialis Lowell Ahart 2011-5-2 17347 Butte Open pasture fields, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville 32 Comment
  JEPS119591  Salix exigua var. hindsiana Lowell Ahart 2012-4-17 17884 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
  JEPS119593  Senecio sylvaticus Lowell Ahart 2012-4-9 17843 Butte About 20 yards west of South Rim Trail, south part of Upper Bidwell Park, about 2 1/2 miles (air) northeast of Chico. 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
  JEPS119608  Lomatium dasycarpum subsp. tomentosum Lowell Ahart 2012-4-9 17833 Butte West of South Rim Trail, south part of Upper Bidwell Park, about 2 miles (air) northeast of Chico. Comment
  JEPS119611  Amsinckia eastwoodiae Lowell Ahart 2012-4-9 17821 Butte Along South Rim Trail, about 100 yards north of the homes, south part of Upper Bidwell Park, about 1/4 mile east of the power lines, about 1 1/4 miles (air) northeast of Chico. Comment
  JEPS119622  Juglans nigra Lowell Ahart 2012-6-21 18209 Butte About 250 yards east of the dam at Sycamore Pool, Lower Bidwell Park, Chico. Comment
  JEPS119631  Stellaria media Lowell Ahart 2012-6-14 18186 Butte South of CARD community, Lower Bidwell Park, Chico. Comment
  JEPS119680  Limnanthes alba subsp. versicolor Lowell Ahart 2012-5-4 17986 Butte About 1 1/4 miles northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. Comment
  JEPS119726  Ulmus thomasii Lowell Ahart, Susan Bazell, Josephine Guardino, Wes Dempsey 2012-7-5 18270 Butte Path in Cedar Grove, southwest of parking area, Lower Bidwell Park, Chico. Comment
  JEPS119776  Hedypnois rhagadioloides Lowell Ahart 2012-5-12 18032 Butte On the sides of South Rim Trail, about 1/2 mile southwest of the old homestead, about 5/8 west of Highway 32, south part of Upper Bidwell Park, about 8 /12 miles (air) northeast of Chico. Comment
  JEPS119787  Erodium brachycarpum Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino 2012-5-10 17998 Butte South of Vallombrosa Avenue, about 1/4 mile west of Peterson Drive, Lower Bidwell Park, Chico. Comment
  JEPS119847  Lupinus nanus var. latifolius Lowell Ahart 2012-3-23 17793 Butte About 250 yards east of Big Chico Creek, about 150 yards west of Ten Mile House Road, below and north of the old homestead, about 3/4 mile west of Highway 32, about 9 miles (air) northeast of Chico. Comment
  JEPS119901  Verbascum virgatum Lowell Ahart 2012-5-31 18115 Butte On the south side of Neal Road, west of the intersection of Highway 99 and Neal Road, about 3 miles (air) south of Chico. Comment
  JEPS119903  Epilobium pallidum Lowell Ahart 2012-5-31 18124 Butte About half way between Salmon Hole trail and Parking Area O, Upper Bidwell Park. Comment
  JEPS119912  Cyperus iria Lowell Ahart 2012-10-5 18476 Butte South edge of parking area at the restroom, end of road to the Larkin Road Boat Launch Area, about 1/4 mile west of Larking Road, about 2 miles (air) southwest of Oroville Airport. Comment
  JEPS119915  Ulmus parvifolia Lowell Ahart 2012-10-28 18540 Butte On the east side of the horse path (gravel road), 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
  JEPS119918  Kickxia elatine Lowell Ahart 2012-10-20 18506 Butte On the south side of Big Chico Creek, about 100 yards west of Table 4, west of Cedar Grove, Lower Bidwell Park, Chico. Comment
  JEPS119923  Verbena hastata Lowell Ahart 2012-10-20 18490 Butte On the south side of Big Chico Creek, about 50 yards east of Table 5, west of Cedar Grove, Lower Bidwell Park, Chico. Comment
  JEPS119938  Persicaria punctata Lowell Ahart 2012-9-28 18466 Butte Gravel bar in the middle of Big Chico Creek, about 30 yards east of the Freeway, Lower Bidwell Park, Chico. Comment
  JEPS119940  Urtica dioica subsp. holosericea Lowell Ahart 2012-9-28 18464 Butte About 30 yards north of Big Chico Creek, about 200 yards east of the east end of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico. Comment
  JEPS119953 Image available Lythrum salicaria Lowell Ahart 2012-8-22 18422 Butte About 1/4 mile west of Larking Road, about 2 miles (air) southwest of the Oroville Airport. Comment
  JEPS120007  Lonicera japonica Lowell Ahart, Linnea Hanson, Kaline Le Coq, Josephine Guardino 2012-4-27 17914 Butte Near table 17, on the north side of Centennial Avenue, Lower Bidwell Park, Chico. Comment
  JEPS120057  Prunus cerasifera Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino 2012-5-10 18011 Butte 20 yards north of Big Chico Creek, south 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. Comment
  JEPS120086  Dactylis glomerata Lowell Ahart, Linnea Hanson, Josephine Guardino 2012-5-23 18107 Butte Along the horse trail, north of Table 32, about 50 yards south of Vallombrosa Avenue, southwest of Crister, Lower Bidwell Park, Chico. Comment
  JEPS120094  Bromus tectorum Lowell Ahart 2012-6-14 18187 Butte On the south side of the path, south of CARD Community Center, Lower Bidwell Park, Chico. Comment
  JEPS120129  Carex divulsa subsp. divulsa Lowell Ahart 2012-5-25 18113 Butte Northwest of the intersection of W. Frances Willard Avenue and Arcadian Avenue, one block south of Chico High School, Chico. Comment
  JEPS120144  Carex Lowell Ahart 2012-6-14 18190 Butte On the south side of path, southwest of CARD Community Center, Lower Bidwell Park, Chico. Comment
  JEPS120586  Dysphania botrys Lowell Ahart 2013-11-18 19273 Butte Below the high-water line of Lake Oroville, about 200 yards northeast of the boat ramp at the end of Stringtown Road, on the north side of the road, about 2.5 air miles northeast of Hurleton. Comment
  JEPS120594  Chamaesyce maculata Lowell Ahart 2013-11-18 19276 Butte Below the high-water line of Lake Oroville, about 200 yards northeast of the boat ramp at the end of Stringtown Road, on the north side of the road, about 2.5 air miles northeast of Hurleton. Comment
  JEPS120614  Amaranthus albus Lowell Ahart 2013-11-13 19227 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
  JEPS120949  Equisetum laevigatum Lowell Ahart 2013-4-20 18551 Butte Wilson Creek, about 100 yards SW of the oak trees, about 1/2 mile N of the barn, about 3/4 mile N of the Honcut Cemetery, about 3.75 air miles NE of Honcut. Comment
  JEPS120954  Lepidium didymum Lowell Ahart 2013-4-20 18557 Butte Corral at the barn, about 1/4 mile N of Honcut Cemetery, about 3.25 air miles NE of Honcut. Comment
  JEPS120962  Spergularia bocconi Lowell Ahart 2013-4-20 18563 Butte Corral at the barn, about 1/4 mile N of Honcut Cemetery, about 3.25 air miles NE of Honcut. Comment
  JEPS121320  Heteranthera limosa Lowell Ahart 2014-10-14 19884 Butte Peter Ahart Ranch, about 2 1/4 miles north and 1/4 mile east of Honcut, about 12 miles south of Oroville. Comment
  JEPS121888  Pseudognaphalium beneolens Lowell Ahart 2014-11-17 19909 Butte Just below the high water line of Lake Oroville, about 50 yards west of the Enterprise Boat Launch Area, about 11 miles (air) northeast of Oroville. Comment
  JEPS121907  Navarretia capillaris Lowell Ahart 2014-7-16 19681 Butte About 60 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir. Comment
  JEPS121927  Veratrum californicum var. californicum Lowell Ahart 2014-7-16 19691 Butte About 110 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir. Comment
  JEPS121957  Polygonum polygaloides subsp. kelloggii Lowell Ahart 2014-7-7 19582 Butte West of the bog, Coon Hollow, about 2 miles (air) north of Philbrook Reservoir. Comment
  JEPS121977  Poa palustris Lowell Ahart 2014-7-10 19609 Butte About 100 yards southwest 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. Comment
  JEPS121994  Orthilia secunda Lowell Ahart 2014-7-13 19650 Butte About 100 yards southeast of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir. Comment
  JEPS122142  Leptosiphon parviflorus Lowell Ahart 2014-5-2 19436 Butte Along the trail north side of Beatson Hollow, about 1 1/2 miles southwest of the Improved Parking Area and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. Comment
  JEPS122200  Rorippa palustris var. occidentalis Lowell Ahart 2014-4-16 19362 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
  JEPS122250  Eragrostis hypnoides Lowell Ahart 2014-9-23 19876 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
  JEPS122282  Sagina apetala Lowell Ahart 2014-4-15 19354 Butte Below the high water line of Lake Oroville, about 400 yards west of the old road, about 3 1/2 miles (air) northeast of Oroville Dam. Comment
  JEPS122288  Erigeron petrophilus var. sierrensis Lowell Ahart 2014-8-24 19732 Butte On the south side of the road, about 50 yards west of the Woodleaf Creek, about 1/2 mile southwest of Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. Comment
  JEPS123909  Elatine Lowell Ahart 2015-4-24 20073 Butte About 2 miles east of Pennington Road, Gray Lodge Wildlife Area, about 3 1/2 miles (air) southwest of Gridley. Comment
  JEPS124020  Horkelia tridentata var. tridentata Lowell Ahart 2015-6-16 20239 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. Comment
  JEPS124191  Sorbus scopulina Lowell Ahart 2015-10-9 20551 Butte About 100 yards southeast of the bridge across the Wes Branch of the Feather River, about 2 miles (air) northwest of Philbrook Reservoir. Comment
  JEPS124193  Centaurea solstitialis Lowell Ahart 2015-10-9 20542 -A Butte About 3/4 mile northwest of the intersection of Bull Hill Road, Skyway, and Humbug Road, about 4 miles (air) north of Inskip. Comment
  JEPS124298  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-4-13 20032 Butte About 1/4 mile north of Jarbo Gap, about 15 miles (air) north of Oroville. Comment
  JEPS124324  Hydrocotyle umbellata Lowell Ahart 2015-10-20 20571 Butte About half way of and east of One Mile Pond, about 6 miles (air) east of Biggs. Comment
  JEPS124349  Crypsis schoenoides Lowell Ahart 2015-10-26 20601 Butte About 1 mile (air) of southeast of Kunckle Reservoir, about 5 miles (air) southeast of Paradise. Comment
  JEPS126582  Crucianella angustifolia Lowell Ahart 2016-5-25 20877 Butte About 200 yards south of La Porte Road, about 1/4 mile southwest of the intersection of La Porte Road and Loma Rica Road, about 3 1/4 miles (air) northeast of Honcut. Comment
  JEPS127201  Festuca microstachys var. pauciflora Lowell Ahart 2016-6-4 20935 Butte About 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown. Comment
  JEPS127215  Lomatium marginatum var. marginatum Lowell Ahart 2016-5-14 20822 Butte Peter Ahart Ranch, about 1 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles southeast of Oroville. Comment
  JEPS87129  Cystopteris fragilis Lowell Ahart 1992-7-26 6835 Butte ca. 2 air mi s of Snow Mt (s side of Coon Hollow, ca. 1/2 mi n of Carr Mine) 1737 Comment
  JEPS87136  Rumex salicifolius var. denticulatus Lowell Ahart 1992-5-9 6768 Butte about 2 (air) mi n Oroville (e of Cherokee Road); Lake Oroville Recreation Area 91 Comment
  JEPS87142  Mimulus leptaleus Lowell Ahart 1992-7-29 6870 Butte about 1/2 mi nw Lotts Lake (about 1 mi e of the Carr Mine) 1828 Comment
  JEPS87147  Saxifraga odontoloma Lowell Ahart 1992-7-26 6852 Butte about 1/2 mi n Carr Mine (about 2 (air) mi s of Snow Mountain, edges of a small stream); s of Snow Mountain, n of the Carr Mine 1798 Comment
  JEPS87186  Bromus tectorum Lowell Ahart 1992-5-6 6748 Butte about 4 mi s of Oroville (along w side of Lone Tree Road, about 1/4 mi s of intersection of Powerhouse Hill Road and Lone Tree Road); Lone Tree Road 60 Comment
  JEPS87438  Boykinia occidentalis Lowell Ahart 1993-7-22 7087 Butte about 6 (air) mi ne Feather Falls (on a steep bank along Fall River, about 200 yards w of the bridge across Fall River); along Fall River, ne of Feather Falls 1036 Comment
  JEPS87456  Juncus tenuis Lowell Ahart 1993-7-23 7099 Butte ca. 6 (air) mi. n.e. Feather Falls (ca. 100 yds. w. of bridge across Fall River) 1036 Comment
  JEPS87474  Glyceria declinata Lowell Ahart 1993-4-5 6927 Butte s. side of Cottonwood Rd. ca. 1/2 mi. e. of Hwy. 99 36 Comment
  JEPS87530  Madia elegans Lowell Ahart 1993-6-20 6998 Butte about 1 air mi nw Lost Creek Reservoir Dam; Mooreville Ridge, Jackass Flat 1158 Comment
  JEPS87674  Sherardia arvensis Lowell Ahart 1994-4-22 7287 Butte about 3.5 mi sw Forbestown (s of the intersection of Black Bart Road and Forbestown Road) 609 Comment
  JEPS93859  Agrostis stolonifera Lowell Ahart 1998-7-18 8041 Butte about 7 air mi n of Oroville (sw of the Ione oak tree, w of the cow chute on the w side of Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road 403 Comment
  JEPS93861  Cyperus strigosus Lowell Ahart 1998-7-18 8040 Butte about 7 air mi n of Oroville (w of the Ione oak tree, w of the cow chute on the w side of Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road 396 Comment
  JEPS94294  Campanula prenanthoides Lowell Ahart 1997-8-1 7793 Butte about 1/4 mi e of Table Mountain (about 8 air mi ne of Stirling City, on w side of Little Kimshew Creek); Little Kimshew Creek 1371 Comment
  JEPS94728  Agrostis exarata Lowell Ahart 1998-6-30 8016 Butte about 7 air mi n of Oroville (w of the lone oak tree, w of the cow chute on the w side of Cherokee Road, North Table Mountain); North Table Mountain 403 Comment
  JEPS94792  Phalaris caroliniana Lowell Ahart 1998-6-9 7999 Butte about 7 air mi n Oroville (about 1/2 mi nw of the ione oak tree, nw of the cow chute along Cherokee Road); North Table Mountain 396 Comment
  JEPS94876  Rosa multiflora Lowell Ahart 1998-5-2 7958 Butte about 5 air mi sw of Gridley (on s side of Evans Reimer Road, about 1/4 mi e of Pennington Road); Evans Reimer Road 21 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
  JEPS94943  Cystopteris fragilis Lowell Ahart 1997-8-1 7766 Butte about 1/4 mi e Table Mountain (on e side of creek, where basalt is eight sided, about 8 air mi ne of Stirling City); Little Kimshew Creek, Snow Meadow 1524 Comment
  JEPS95025  Muhlenbergia filiformis Lowell Ahart 1997-10-20 7931 Butte 3 air mi nw of Sly Creek Reservoir Dam (on w side of sharp bend in South Fork Feather River, about 1/4 mi n of bridge across the river, about 3/4 mi n of Golden Trout Crossing); South Fork Feather River 914 Comment
  JEPS95142  Euphorbia spathulata Lowell Ahart 1997-3-25 7714 Butte about 12 air mi se of Oroville (about 2 1/4 mi n and 2 1/2 mi e of Honcut, w of the ditch for the Old Honcut Flume, w of North Hocut Creek) 60 Comment
  JEPS95606  Antirrhinum vexillocalyculatum subsp. intermedium Lowell Ahart 1994-10-16 7564 Butte 2 air miles N and 3 1/2 mi E of Forbestown (along S side of dirt road to Forbestown Reservoir, near Woodleaf Creek, 3/4 mi SW of Forbestown Reservoir Dam) 762 Comment
  JEPS95880 Image available Marsilea vestita subsp. vestita Lowell Ahart and Vernon H. Oswald 1999-10-3 8286 Butte 12 air miles SW of Chico (Sacramento River, NW of Parrott Landing, 1 mi SE of Ord Ferry, 2 mi SE of Ordbend) 32 Comment
  JEPS95885  Cyperus flavescens Lowell Ahart 1999-10-28 8303 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
  JEPS95930  Mollugo verticillata Lowell Ahart 1999-8-13 8176 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
  JEPS95932  Chenopodium botrys Lowell Ahart 1999-8-13 8178 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
  JEPS95935  Cycloloma atriplicifolium Lowell Ahart 1999-8-13 8159 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
  JEPS95946  Lythrum tribracteatum Lowell Ahart 1999-5-21 8073 Butte on the east side of Evans Reimer Road; about 7/8 mile east of Pennington Road; about 5 miles (air) southwest of Gridley 21 Comment
  JEPS95985  Veronica anagallis-aquatica Lowell Ahart 1999-10-28 8299 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
  JEPS98272  Cyperus strigosus Lowell Ahart 2000-8-23 8661 Butte 4 air miles SW of Oroville (Oroville Wildlife Area, 1/2 mi W of Pacific Heights Road) 42 Comment
  JEPS98305  Eleocharis acicularis Lowell Ahart 2000-10-2 8699 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
  JEPS98352  Verbena hastata Lowell Ahart 2000-6-21 8495 Butte 3 1/3 air miles NE of Manzanita Avenue, Chico (S of Parking Area P, N of the Salmon Hole, Upper Bidwell Park) 106 Comment
  JEPS98357  Eleocharis parishii Lowell Ahart 2000-6-21 8497 Butte 3 1/3 air miles NE of Manzanita Avenue, Chico (S of Parking Area P, N of the Salmon Hole, Upper Bidwell Park) 106 Comment
  JEPS98516  Isolepis setacea Lowell Ahart 2000-7-11 8564 Butte on the N side of Lumpkin Ridge Road, upper west branch of Know-nothing Creek, about 1 mile SW of the intersection of Lumpkin Ridge Road, road to Fall River, and the County Road, about 5 miles (air) NE of Feather Falls. 1219 Comment
  JEPS98579  Galium tricornutum Lowell Ahart 2000-5-13 8353 Butte 5 mi SW of Oroville (Thermalito Afterbay, S side of access road to boat ramp, W of Larkin Road, 1 1/4 mi S of Oroville Airport) 42 Comment
  JEPS99033  Conyza canadensis Lowell Ahart 1998-11-11 8063 Butte About 3/8 mile NW of the cattle chute along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 396 Comment
  POM352987  Vulpia myuros var. hirsuta L. Ahart, P. Ahart 1984-6-10 4705 Butte About 2 miles SW of Forbestown Diversion Dam, NE of Forbestown. 700 Comment
  RSA0035334  Erodium brachycarpum Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino 2012-5-10 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. 76 Comment
  RSA0036032  Blennosperma nanum var. nanum Lowell A. Ahart 2012-5-4 17988 Butte About 1/4 mile southwest 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. 307 Comment
  RSA0045595  Amorpha fruticosa Lowell Ahart 2012-6-9 18177 Butte About 30 yards east of Ten Mile House Road, about 1/8 mile north of the old homestead, Upper Bidwell Park, about 9 miles (air) northeast of Chico. 269 Comment
  RSA0045598  Penstemon laetus subsp. leptosepalus Lowell Ahart 2011-7-9 17570 Butte About 3/8 mile northeast of Little Bald Rock, about 2 miles (air) southeast of Brush Creek, about 15 miles (air) northeast of Oroville. 967 Comment
  RSA0045621  Salix gooddingii Lowell A. Ahart 2012-4-17 17872 Butte Area where cobbles were removed for Oroville Dam, about 100 yards south 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. 35 Comment
  RSA0108969  Castilleja lacera Lowell A. Ahart 2015-4-18 20048 Butte On the west side of Robinson Mill Road, about 1.5 miles southwest of the intersection of Robinson Mill Road and Forbestown Road, about 12 miles (air) southeast of Oroville. 685 Comment
  RSA0113969  Juncus effusus subsp. pacificus Lowell A. Ahart 2008-7-23 15144 Butte On the north side of the South Fork of the Feather River, about 10 yards west of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 0.25 miles west of the Ponderosa Dam. 258 Comment
  RSA0115343  Alopecurus carolinianus Lowell Ahart 2008-5-2 14704 Butte Below the high water line of Lake Oroville, about 300 yards east of the Enterprise Boat Lunch [Launch?] Area about 10 1/2 miles (air) northeast of Oroville. 217 Comment
  RSA0116257  Acmispon americanus var. americanus Lowell A. Ahart 2014-7-10 19625 Butte About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir. 1665 Comment
  RSA0118748  Erigeron petrophilus var. sierrensis Lowell Ahart 2014-8-24 19732 Butte On the south side of the road, about 50 yards west of Woodleaf Creek, about 1/2 mile southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown 611 Comment
  RSA692213  Navarretia leucocephala subsp. leucocephala L. Ahart 2003-5-28 10232 Butte Bottom of Hendricks ditch, about 1 3/4 miles W of the iron gate and fence, W of Cherokee Road, North Table Mountain, about 7 miles (air) N of Oroville. 272 Comment
  RSA700273  Epilobium densiflorum L. Ahart 2004-7-20 11287 Butte North side of a deep wash, about 200 yards north of the home, Peter Ahart Ranch, about 1.5 miles north and 1 mile east of Honcut, about 12 miles (air) south of Oroville 30 Comment
  RSA702776  Amaranthus deflexus L. 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 northeast of Durham, about 3 1/2 miles southeast of Chico 58 Comment
  RSA703222  Eragrostis pectinacea L. Ahart 2004-9-14 11402 Butte irrigated on the east side of Palermo Honcut Highway, about 20 feet south of Palermo Road, east part of Palermo. 58 Comment
  RSA712996  Melica torreyana L. Ahart 2006-5-19 12632 Butte 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. On the west side of the dirt road 406 Comment
  RSA713011  Lolium perenne subsp. multiflorum L. Ahart 2005-12-11 12519 Butte 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
  RSA713020  Linaria genistifolia subsp. dalmatica L. Ahart 2005-11-12 12484 Butte Flat area on the S side of Dark Canyon Creek, 50 yards S of the train tunnels, W of Dark canyon Road. 2.5 miles air S of Hwy 70 at Big Bend Road. 294 Comment
  RSA713022  Trifolium albopurpureum L. Ahart 2006-5-10 12628 Butte On the north side of the dirt road, Bardees Bar Road, about 4 miles (air) southwest of Pulga. 445 Comment
  RSA715559  Boisduvalia stricta L. Ahart 2005-5-11 11795 Butte South part of North Table Mountain, about 200 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. 359 Comment
  RSA715563  Madia subspicata L. Ahart 2005-5-7 11788 Butte On the east side of North Honcut Creek, Peter Ahart Ranch, about 1.25 miles north and 2.75 miles east of Honcut, about 12 miles (air) southeast of Oroville 48 Comment
  RSA715892  Cerastium glomeratum L. Ahart 2005-4-14 11715 -A Butte Drain ditch, 200 feet east of the railroad tracks, north of Spruce Street, Gridley. 28 Comment
  RSA715961  Crassula connata L. Ahart 2005-4-14 11724 Butte About 20 feet east of the railroad tracks, north of Spruce Street, Gridley. 28 Comment
  RSA715963  Vulpia myuros var. hirsuta L. Ahart 2005-4-14 11708 Butte Gridley. At the base of the railroad, east side of the railroad tracks, south of the railroad bridge, north of Spruce street. 28 Comment
  RSA718339  Aegilops triuncialis L. Ahart 2006-6-9 12640 Butte Along the south side of the service road to Bardees Bar along the North Fork of the Feather River, about 50 yards east of the electric tower, on the east side of Highway 70, about 2 3/4 miles (air) southwest of Pulga. 535 Comment
  RSA726436  Gnaphalium luteoalbum L. Ahart 2007-11-3 14553 Butte About 3/4 mile east of the Power House below Kuncke Reservoir, about 1.25 miles north of the Lime Saddle Campground, about 5 miles (air) southeast of Paradise. 259 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
  RSA726658  Juncus effusus subsp. pacificus L. Ahart, L. P. Janeway, Linnea Hanson 2007-7-13 14301 Butte About 30 yards east of a poor dirt road, about 1 1/2 milea (air) northeast of Clipper Mills. 1046 Comment
  RSA726807  Sanicula L. Ahart 2007-5-29 13950 Butte On the south side of the Dome Trail, trail leads to the Middle Fork of the Feather River, at the trail head which is 3/10 mile east of Bean Creek Road, about 2 miles (air) northeast of Big Bald Rock, about 16 miles (air) northeast of Oroville. 844 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
  RSA729996  Juncus usitatus L. Ahart 2007-7-11 14292 Butte 11 yards west of the high gravel road (at turn before washout), about 0.5 mi. west of Pacific Heights Road, Oroville Wildlife Area, about 5 miles (air)SW of Oroville. 36 Comment
  RSA754371  Cephalanthus occidentalis var. californicus L. Ahart 2009-7-9 16019 Butte E side of Big Chico Creek, about 50 yards W of Ten Mile House Road, Upper Bidwell park, about 3/4 mile (air) W of Highway 32, about 10 miles NE of Chico. 204 Comment
  RSA754373  Phoradendron macrophyllum L. Ahart 2009-8-3 16255 Butte E side of Ten Mile House Road, Upper Bidwell Park, about 3/4 miles (air) W of Hwy 32, about 10 miles NE of Chico. 210 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
  RSA754818  Polystichum imbricans subsp. curtum L. Ahart 2009-6-30 15971 Butte E bank of Big Chico Creek, on W side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 air miles W of Highway 32, about 10 miles NE of Chico. 234 Comment
  RSA754860  Trifolium bifidum var. bifidum L. Ahart 2009-4-26 15627 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
  RSA754865  Festuca subulata L. Ahart 2008-6-2 14807 Butte South side of Ponderosa Way, about 1 air mile SW of the Ponderosa Dam, about 2.25 air miles NW of Forbestown. 671 Comment
  RSA754962  Gastridium phleoides L. Ahart 2008-5-21 14780 Butte Lake Oroville, north side of South Fork of the Feather River, about 150 yards east of where Sucker Creek enters the South Fork of the Feather River, about 0.25 mile northwest of the Ponderosa Dam. 246 Comment
  RSA755000  Herniaria hirsuta subsp. hirsuta L. Ahart 2008-5-21 14772 Butte Lake Oroville, north and south side of the South Fork of the Feather River, about 100 yards west of where Sucker Creek enters the South Fork of the Feather River, about 0.25 mile northwest of the Ponderosa Dam. 246 Comment
  RSA755005  Briza minor L. Ahart 2009-5-23 15729 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
  RSA755341  Cyperus strigosus L. Ahart 2009-8-13 16276 Butte In the channel, about 100 yards east of the diversion structure that controls Mud Creek diversion and Lindo Channel, northeast of Hooker Oak, Upper Bidwell Park, Chico. 69 Comment
  RSA755343  Asclepias fascicularis L. Ahart 2009-8-8 16268 Butte Rice field, Peter Ahart Ranch, about 2.5 miles north and 3/4 miles east of Honcut, about 12 air miles south of Oroville. 32 Comment
  RSA755639  Carex nudata L. Ahart 2009-5-15 15708 Butte On the east bank of Big Chico Creek, on the west side of Ten Mile House Road, Upper Bidwell Park, about 3/4 air mile west of Highway 32, about 10 miles northeast of Chico. 234 Comment
  RSA755770  Scutellaria siphocampyloides L. Ahart 2009-5-30 15808 Butte Southeast side of Guardians Trail, about 10 yards south of Pine Trail, Upper Bidwell Park, about 3/8 air mile southwest of intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico. 437 Comment
  RSA767484  Carex bolanderi L. Ahart 2010-6-12 16796 Butte North side of a small stream, about 150 yards east of Ten Mile House Road, about 3/4 air miles west of Highway 32, about 9 air miles northeast of Chico. 238 Comment
  RSA767796  Lathyrus angulatus L. Ahart 2010-5-5 16607 Butte Parking area east of McCabe Creek, a few feet below the high water line of Lake Oroville, about 11 air miles northeast of Oroville 264 Comment
  RSA769598  Trifolium hirtum L. Ahart 2009-5-8 15659 Butte S side of gravel road, about 10 yards E of Cedar Grove Parking Area in Lower Bidwell Park, Chico 67 Comment
  RSA769811  Dittrichia graveolens L. Ahart 2008-11-8 15445 Butte Parking area on the west side of the Midway, west of the intersection of Midway and East Park Avenue, Chico 61 Comment
  RSA770102  Conyza canadensis L. Ahart 2008-11-4 15396 Butte Below high water line of Lake Oroville, about one mile southeast of the large parking area on the north end of Oroville Dam, about 5 air miles northeast of Oroville. 264 Comment
  RSA774131  Calamagrostis canadensis L. Ahart 2010-9-21 17222 Butte About 10 yards east of poor dirt road, about 200 yards west of Big Kimshew Creek, about 1.5 air miles NE of Jones Meadow, about 2.5 air miles SE of Philbrook Reservoir 1918 Comment
  RSA774133  Poa bolanderi L. Ahart 2010-9-21 17198 Butte About 50 yards east of the poor dirt road, abut 100 yards west of Big Kimshew Creek, about 1.5 air miles NE of Jones Meadow, about 2.5 air miles SE of Philbrook Reservoir 1918 Comment
  RSA795640  Umbellularia californica L. Ahart 2012-3-23 17796 Butte North side of Ten Mile House Road, about 0.5 miles west of Highway 32, about 9 air miles northeast of Chico. 388 Comment
  RSA795768  Trifolium bifidum var. bifidum L. Ahart 2012-4-30 17937 Butte Both sides of Guardian Trail, about 300 yards north of Humboldt Trail, north of Bloody Pin Trail, about 1/8 mile west of Highway 32, about 8 miles northeast of Chico, south part of Upper Bidwell Park. 362 Comment
  SBBG119814  Veronica catenata L. Ahart 2006-9-28 13376 Butte E side of the N Fk of the Feather River, on the W side of the Shady Rest Area, S of the Arch Rock Tunnel 445 Comment
  SD122550  Clarkia rhomboidea Lowell Ahart 1984-6-8 4663 Butte At the Ponderosa Dam, ca. 2 miles NW of Forbestown; Yellow Pine Forest, 370 Comment
  SEINET10790827  Gastridium ventricosum Lowell Ahart 2003-6-20 Ahart 10295 Butte T17N, R4E, southeast 1/4 Section 3. Normal size plants, on dry soil, in open pasture fields, Peter Ahart Ranch, about 1 1/2 miles north and 2 miles east of Honcut, about 12 miles southeast of Oroville. 46 Comment
  SEINET12649529 Image available Carex leavenworthii Lowell Ahart 2012-1 18190 Butte 62 Comment
  SEINET12765093  Acmispon nevadensis var. nevadensis Lowell Ahart 2014-5-13 19459 Butte About 150 yards west of the Enterprise Boat Ramp, about 1 miles (air) east of Oroville.; 0 850 Comment
  SEINET13709777  Trifolium jokerstii Lowell William Ahart, Lowell William Ahart 2003-1 10039 Butte 7 Mi. N of Oroville (39 Deg 35'03.3N, 121 Deg 34'04.8"W) 1099 Ft. 335 Comment
  SEINET13710942  Hoita macrostachya Lowell William Ahart, Lowell William Ahart 2003-1 10420 Butte About 4 Air Mi. SW of Forbestown (39 Deg 29'53.2"N, 121 Deg 20'22.7"W) 2350 Ft. 716 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
  SEINET14287413  Avena fatua L. Ahart 1981-5-24 2835 Butte Peter Ahart Ranch, c. 2 mi N and 0.5 mi east of Honcut 50 Comment
  SEINET231715 Image available Festuca occidentalis Lowell Ahart, Peter Ahart 1984-6-10 4704 Butte Ca 2 mi SW of Forbestown Diversion Dam NE of Forbestown Yellow Pine Forest 700 Comment
  SEINET7581940 Image available Cyperus flavescens Lowell Ahart 2006-10-8 13429 Butte East side of the North Fork of the large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House. 610 Comment
  SEINET956196  Lathyrus sulphureus Lowell Ahart 1987-1 5621 Butte South of the Forbestown Ditch, about 2.5 miles north-east of Forbestown. 869 Comment
  UC1530700  Urospermum picroides Ahart and Jokerst 1985-5-10 4963 Butte 1/2 mi s Box Hall Flat (about 1 mi e of Potter Ravine, about 2 and 3/4 mi ne of Oroville Dam) Comment
  UC1562367  Azolla filiculoides Lowell Ahart 1990-5-20 6473 Butte ca. 4 1/2 mi sw of Oroville (ca. 1/4 mi s of Feather River, ca. 4/10 mi w of Pacific Heights Rd.) 30 Comment
  UC1586556  Galium divaricatum Lowell Ahart 1991-5-12 6652 Butte about 1 1/4 mi n and 2 1/2 mi e Honcut (about 12 mi se of Oroville, banks of a small wash); Peter Ahart Ranch 48 Comment
  UC1586574  Polygonum phytolaccifolium Lowell Ahart 1991-8-25 6709 Butte along creek about 2 mi nw Four Trees (about 2 mi w of the Oroville-Quincy Hwy, about 2 mi e of Coyote Gap); Wildcat Creek 1219 Comment
  UC1586630  Allophyllum divaricatum Lowell Ahart 1991-6-22 6662 Butte n. of Springtown Rd. Lake Oroville 243 Comment
  UC1586632  Poa compressa Lowell Ahart 1991-7-22 6665 Butte e of Springtown Rd Lake Oroville (w side of Powell Creek) 243 Comment
  UC1594552  Eriodictyon californicum Lowell Ahart 1992-5-9 6764 Butte About 2 air mi north of Oroville (on north side of dirt road on north side of Thermalito Diversion Pool, Lake Oroville Recreation Area); Lake Oroville Recreation Area, Thermalito Diversion Pool 76 Comment
  UC1594557  Mimulus leptaleus Lowell Ahart 1992-7-29 6870 Butte about 1/2 mi nw Lotts Lake (about 1 mi e of the Carr Mine) 1828 Comment
  UC1594629  Verbena litoralis Lowell Ahart 1992-7-23 6825 Butte 2 mi W of Oroville Dam (N side of Thermalito Diversion Pool, near Longs Bar Monument); Lake Oroville Recreational Area 76 Comment
  UC1594710  Sporobolus cryptandrus Lowell Ahart 1992-7-23 6834 Butte at intersection of Shippee Rd. and Openshaw Rd. (along edge of Oroville Chico Hwy.) 60 Comment
  UC1594715  Epilobium densiflorum Lowell Ahart 1992-8-2 6903 Butte about 3 (air) mi ne Concow Reservoir; Concow Meadow 1097 Comment
  UC1594721  Eriogonum marifolium Lowell Ahart 1992-7-29 6892 Butte about 1 mi e, about 1/2 mi nw of Lotts Lake Carr mine 1828 Comment
  UC1594723  Eriogonum umbellatum var. nevadense Lowell Ahart 1992-7-29 6868 Butte about 1/2 mi nw Lotts Lake (about 1 mi e of the Carr Mine) 1828 Comment
  UC1609066  Vulpia myuros var. hirsuta Lowell Ahart 1993-6-20 7004 Butte about 1 air mi nw Lost Creek Reservoir Dam; Mooreville Ridge, Jackass Flat 1158 Comment
  UC1609224  Psilocarphus brevissimus var. multiflorus Lowell Ahart 1993-5-13 6937 Butte about 1 3/4 mi n and 1/2 mi e Honcut (large vernal pool e of deep wash, about 12 mi s of Oroville); Peter Ahart Ranch Comment
  UC1609262  Agrostis exarata Lowell Ahart 1993-9-13 7226 Butte about 1 mi se Butte Meadows (on s side of Bolt Creek) 1325 Comment
  UC1609267  Scirpus microcarpus Lowell Ahart 1993-7-6 7053 Butte about 1/4 mi w Lost Creek Reservoir; w of Lost Creek Reservoir 1036 Comment
  UC1609291  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 1993-7-22 7081 Butte 6 air mi ne Feather Falls (w of the bridge, along Fall River) 1036 Comment
  UC1609293  Lupinus albicaulis Lowell Ahart 1993-6-16 6965 Butte about 3.5 (air) mi sw Forbestown (sw of the intersection of Black Bart Road and Forbestown Road); sw of Forbestown 609 Comment
  UC1609326  Cryptantha affinis Lowell Ahart 1993-7-31 7140 Butte about 2 mi se Bald Mountain (ne of Stirling City, on w side of a poor dirt road that leads to a camp, just w of where the dirt road crosses Big Kimshew Creek) 1493 Comment
  UC1609476  Boykinia occidentalis Lowell Ahart 1993-7-22 7087 Butte about 6 (air) mi ne Feather Falls (on a steep bank along Fall River, about 200 yards w of the bridge across Fall River); along Fall River, ne of Feather Falls 1036 Comment
  UC1609503  Juncus tenuis Lowell Ahart 1993-7-23 7099 Butte ca. 6 (air) mi. n.e. Feather Falls (ca. 100 yds. w. of bridge across Fall River) 1036 Comment
  UC4609251  Poa compressa Lowell Ahart 1993-7-23 7094 Butte ca 6 air mi ne Feather Falls (w side of Fall River, ca 100 yds w of bridge across Fall River) 1036 Comment
  UCD115856  Lepidium pinnatifidum L. Ahart 1982-7-10 3664 Butte Graylodge Wildlife Refuge, ca. 12 mi sw of Gridley. 35 Comment
  UCD118003  Allophyllum divaricatum L. Ahart 1984-6-8 4664 Butte At the Ponderosa Dam, ca. 2 miles NW of Forbestown. 370 Comment
  UCD60918  Echinochloa crus-galli L. Ahart 1984-9-17 4791 -B Butte Peter Ahart Ranch, ca. 2.3 mi N and 0.3 mi E of Honcut, ca. 12 mi S of Oroville. 50 Comment
  UCD98350  Moenchia erecta subsp. erecta Lowell Ahart 2000-5-9 8332 Butte south side of the Oak Grove Cemetary, about 1/2 mile southeast of Hurleton, about 10 miles (air) northeast of Oroville. 548 Comment
  UCR177719  Festuca microstachys var. ciliata Lowell Ahart 2006-5-10 12619 Butte 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 2.5 miles (air) southwest of Pulga 355 Comment
  UCSC004635  Lasthenia fremontii Lowell Ahart 2005-5-11 11806 Butte T20N, R3E, northeast 1/4 Section 24, south of a small stream, open pasture field, a bout 1 mile south of Beatson Hollow, about 1.5 miles southwest of the poor dirt road off Cherokee Road, south part of North Table Mountain, about 7 milse (air) north of Oroville 281 Comment
  UCSC004638  Lasthenia glabrata subsp. glabrata Lowell Ahart 2005-6-1 11843 Butte T23N, R15E, Section 30, Hwy 70, east of the Plumas Co Airport, about 3 miles east of Beckwourth 1412 Comment
  UCSC008327  Plantago pusilla Lowell Ahart 2012-5-4 17838 Butte 302 Comment
  UCSC010622  Trifolium variegatum var. variegatum Lowell Ahart 2015-4-27 20078 Butte About 20 yards north of the dirt road, about 5/8 mile northwest of the iron gate along Cherokee Road, Beatson Hollow, North Table Mountain, about 7 air miles north of Oroville 304 Comment
  UCSC010672  Trifolium melananthum Lowell Ahart 2015-6-6 20207 Butte About 1/4 mile northwest of the old large parking area on North Table Mountain, about 7 air miles north of Oroville. 332 Comment
  UCSC010675  Trifolium phaeocephalum Lowell Ahart 2015-3-27 19973 Butte 400 yards southeast of Coal Canyon Falls, about 1 1/2 miles northwest of the improved parking area, North Table Mountain, about 8 miles north of Oroville 398 Comment
  CAS-BOT-BC102075  Bidens frondosa Lowell Ahart 1983-9-17 4433 Butte At Dunkle Res., near Paradise 600 Comment
  CAS-BOT-BC112447  Isolepis cernua Lowell Ahart 1987-4-30 5495 Butte Peter Ahart Ranch, ca/ 1 1/2 mi N and 1 1/4 mi. E of Honcut. 39 Comment
  CAS-BOT-BC112789  Eleocharis macrostachya Lowell Ahart 1983-6-26 4144 Butte Along Ponderosa Way. 550 Comment
  CAS-BOT-BC113339  Eleocharis montevidensis Lowell Ahart 1978-7-15 s.n. Butte On moist soil along edge of North Honcut Creek, Peter Ahart Ranch, Honcut. 50 Comment
  CAS-BOT-BC113846  Cyperus niger var. capitatus Lowell Ahart 1983-9-17 4432 Butte Ca. 1/8 mi NE of Kunkle Res., S of Paradise. 600 Comment
  CAS-BOT-BC114074  Cyperus squarrosus Lowell Ahart 1980-7-29 2513 Butte Along Lower Forbestown Road. 750 Comment
  CAS-BOT-BC154164  Diplacus tricolor Lowell Ahart 1973-4-6 s.n. Butte Peter Ahart Ranch, Honcut 150 Comment
  CAS-BOT-BC168360  Eremogone ferrisiae Lowell Ahart 1983-7-29 4246 Butte 2 miles east of Milsap Bar, ca. 25 miles northeast of Oroville - Sutter Buttes Region 900 Comment
  CAS-BOT-BC17450  Athysanus pusillus Lowell Ahart 1980-3-11 2036 Butte Honcut. Peter Ahart Ranch. 50 Comment
  CAS-BOT-BC249116  Castilleja affinis Lowell Ahart 1990-3-28 6430 Butte On the south side of Pacific Heights Road, about 3 1/2 miles south-west of Oroville 39 Comment
  CAS-BOT-BC274279  Lachnagrostis filiformis Lowell Ahart 1986-11-14 5468 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
  CAS-BOT-BC305345  Helianthus annuus Lowell Ahart 1982-7-10 3663 Butte In the parking area around the Gray Lodge check in station, about 12 miles south-west of Gridley 35 Comment
  CAS-BOT-BC310133  Hesperevax acaulis Lowell Ahart 1979-4-17 s.n. Butte 2 miles north-west of Bangor. Hill-side ca. 1/4 mile north of Avacado Ave. 150 Comment
  CAS-BOT-BC340448  Lactuca saligna Lowell Ahart 1978-9-28 s.n. Butte Peter Ahart Ranch, Honcut 150 Comment
  CAS-BOT-BC37879  Cardamine oligosperma Lowell Ahart 1979-4-3 s.n. Butte Honcut. Peter Ahart Ranch. Near edges of North Honcut Creek. 50 Comment
  CAS-BOT-BC378957  Ranunculus bonariensis Lowell Ahart 1980-4-19 2088 Butte Honcut, Peter Ahart Ranch 50 Comment
  CAS-BOT-BC389943  Spergula arvensis Lowell Ahart 1980-3-22 2047 Butte Peter Ahart Ranch, Honcut 50 Comment
  CAS-BOT-BC389944  Spergula arvensis Lowell Ahart 1985-5-31 5031 Butte 1/8 mile east of the Enterprise Launch Area, about 1/2 mile west of the Enterprise Bridge across Lake Oroville, north-east of Oroville 274 Comment
  CAS-BOT-BC391336  Velezia rigida Lowell Ahart 1987-5-6 5520 Butte At the Poe Power House on the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap 283 Comment
  CAS-BOT-BC40503  Caulanthus lasiophyllus Lowell Ahart 1974-4-30 s.n. Butte Peter Ahart Ranch, Honcut. 150 Comment
  CAS-BOT-BC413703  Persicaria hydropiper Lowell Ahart 1983-9-17 4437 Butte About 1/4 mile south-east of Stirling City 1100 Comment
  CAS-BOT-BC413704  Persicaria hydropiper Lowell Ahart 1987-10-22 5921 Butte Along Oroville Chico Highway (149), 1/10 mile north-west of Highway 70 76 Comment
  CAS-BOT-BC413861  Fallopia convolvulus Lowell Ahart 1983-8-10 4269 Butte Along La Porte Road, about 4 miles north-east of Bangor 350 Comment
  CAS-BOT-BC418951  Persicaria lapathifolia Lowell Ahart 1982-10-15 3899 Butte On the bottom of North Honcut Creek, about 1 mile north and 2 and 3/4 miles east of Honcut 50 Comment
  CAS-BOT-BC427954  Crassula tillaea Lowell Ahart 1990-1-17 6407 Butte East of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville 301 Comment
  CAS-BOT-BC430878  Lithophragma bolanderi Lowell Ahart 1987-12-5 5645 Butte South of Lumpkin Ridge Road, 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls 1280 Comment
  CAS-BOT-BC439774  Claytonia perfoliata Lowell Ahart 1981-4-9 2755 Butte On banks of North Honcut Creek, Peter Ahart Ranch, Honcut. 50 Comment
  CAS-BOT-BC451601  Lilaea scilloides Lowell Ahart 1989-5-23 6240 Butte North of the new subdivision road, 1/2 mile east of Dunstone Drive, about 1/2 mile north of Bangor Park Road, west of Bangor 76 Comment
  CAS-BOT-BC460735  Allium amplectens Lowell Ahart 1980-5-25 1330 Butte Along Hurleton-Swedes Flat Road. Comment
  CAS-BOT-BC496965  Camassia leichtlinii subsp. suksdorfii Lowell Ahart 1982-6-1 3528 Butte A little south of the intersection of Black Bart Road and Forbestown Road, west of Forbestown 750 Comment
  CAS-BOT-BC67551  Pellaea mucronata Lowell Ahart 1979-4-3 s.n. Butte Honcut - near edges of N. Honcut Creek, Peter Ahart Ranch. 50 Comment
  CAS-BOT-BC68686  Athyrium filix-femina var. californicum Lowell Ahart 1981-9-15 3153 Butte Sierra Nevada - One hald mile N of the Lost Creek Reservoir 1100 Comment
  CAS-BOT-BC71864  Polypodium californicum Lowell Ahart 1980-3-26 2056 Butte Along Swedes Flat Road, near Bangor, about 1 mile east of the Bangor-Oroville Highway Comment
  CAS-BOT-BC73906  Turritis glabra Lowell Ahart 1982-9-13 3819 Butte Near Pinkard Creek, about 1/8 mile N of the Lost Creek Reservoir Dam, about 2 and 1/8 miles NW of Strawberry Valley. 1100 Comment
  CAS-BOT-BC74462  Rorippa curvisiliqua Lowell Ahart 1985-5-31 5040 Butte Lake Oroville, about 0.5 mile SW of the Enterprise Bridge across Lake Oroville, west of Lumpkin Road, NE end of Oroville 274 Comment
  CAS-BOT-BC74928  Sinapis arvensis Lowell Ahart 1974-5-1 s.n. Butte About one mile east of Bangor. 500 Comment
  CAS-BOT-BC76653  Polystichum munitum Lowell Ahart 1981-11-8 3231 a Butte Near the Golden Trout Crossing. 800 Comment
  CAS-BOT-BC88213  Thysanocarpus curvipes Lowell Ahart 1970-3-10 s.n. Butte Peter Ahart Ranch, Honcut. 150 Comment
  CAS-BOT-BC97695  Symphyotrichum chilense Lowell Ahart 1985-10-8 5195 Butte on the bottom and sides of North Honcut Creek, Peter Ahart Ranch, about 1 1/2 miles north and 3 miles east of Honcut, 60 Comment
  CAS-BOT-BC98375  Symphyotrichum subulatum var. parviflorum Lowell Ahart 1977-9-24 s.n. Butte Peter Ahart Ranch, Honcut, along edges of North Honcut Creek 50 Comment
  CDA38893  Cyperus strigosus L. Ahart 2000-8-23 8661 Butte About 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 4 miles (air) southwest of Oroville. Comment
  CDA38954  Eleocharis acicularis var. acicularis L. Ahart 2000-9-15 8690 Butte North of a large pond 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. Comment
  CDA38976  Fimbristylis autumnalis L. Ahart, Vernon H. Oswald 1999-8-13 8145 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. 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
  RSA325952  Hesperolinon micranthum L. Ahart, P. Ahart 1983-6-21 s.n. Butte Along Bloomer Hill Rd., ca. 1.3 mi. w. of Oroville-Quincy Hwy., ca 15 mi. ne of Oroville. 450 Comment
  RSA451653  Horkelia elata L. Ahart, P. Ahart 1984-5-28 4647 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. 450 Comment
  RSA713013  Polygonum arenastrum L. Ahart 2005-12-11 12521 Butte Rice Experiment Station between the Main Ditch ad Stine Lateral, on the N side of Hamilton Road, 1/4 mile E of Riceton Hwy 2.25 miles air E of Biggs. 30 Comment
  SBBG128101  Eriogonum nudum var. oblongifolium L. Ahart 2010-9-12 17149 Butte below the high water line of Lake Oroville, ca. 150 yards N of the S Fork of the Feather River, ca. 50 yards E of Sucker Crk, ca. 0.25 mi NW of the Ponderosa Dam 243 Comment
  SBBG128103  Artemisia douglasiana L. Ahart 2010-9-13 17153 Butte Oroville Wildlife Area, ca. 0.5 mi W of Pacific Heights Rd, ca. 3.5 mi NW of Palermo 31 Comment
  SBBG128278  Nemophila pedunculata L. Ahart, J. Dittes 2009-3-20 15499 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
  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
  SBBG128610  Persicaria punctata L. Ahart 2012-9-28 18466 Butte middle of Big Chico Crk, ca. 30 yards W of the Freeway, Lower Bidwell Park, Chico 65 Comment
  SBBG128886  Acer negundo L. Ahart 2012-6-21 18222 Butte ca. 25 yards W of Freeway, 70 yards S of Big Chico Crk, Lower Bidwell Park, Chico 62 Comment
  SEINET10448357  Sibara virginica Lowell Ahart 1985-4-1 Ahart 4871 A Butte On damp bare soil along Wyandotte Creek and Central House Road, north-west of Honcut, about 12 miles south of Oroville. Comment
  SEINET10448358  Sibara virginica Lowell Ahart 1985-4-1 Ahart 4871 Butte On damp bare soil along Wyandotte Creek and Central House Road, north-west of Honcut, about 12 miles south of Oroville. Comment
  SEINET10448471  Draba verna Lowell Ahart 1983-5-7 Ahart 3967 Butte Peter Ahart Ranch, ca. 3 mi ne of Honcut. Foothill Woodland; 50 m. 50 Comment
  SEINET10452195  Psoralea macrostachya Lowell Ahart 1985-6-30 Ahart 5080 Butte About 2 1/2 miles north-east of Forbestown. Alt. 2850 ft. 868 Comment
  SEINET10453140  Circaea alpina subsp. pacifica Lowell Ahart 1983-8-16 Ahart 4293 Butte T26N R4E nw section 28. Along a small stream that flows into Butte Creek, ca. 1 mi east of Butte Meadows. Yellow Pine Forest; 1450 m. 1450 Comment
  SEINET10454697  Scandix pecten-veneris Lowell Ahart 1985-4-1 Ahart 4875 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
  SEINET10454777  Torilis heterophylla Lowell Ahart, Peter Ahart 1983-6-26 Ahart 4111 Butte T21N R5E se/se sec 32. Ca. 1/8 mi e of jct of Oroville-Quincy Hwy & Ponderosa Way (Big Ridge Rd), ca. 15 mi ne of Oroville. Foothill Woodland. 500 Comment
  SEINET10465318  Sambucus mexicana Lowell Ahart, Peter Ahart 1983-7-29 Ahart 4254 Butte T22N R7E nw sec 31. Ca. 2 mi e of Milsap Bar, ca. 25 mi ne of Oroville. Yellow Pine Forest; 900 m. 900 Comment
  SEINET10472284  Juncus ensifolius Lowell Ahart, Peter Ahart 1983-7-29 Ahart 4223 Butte T21N R6E sec 10? Ca. 2 mi s of Milsap Bar, ca. 23 mi ne of Oroville. Yellow Pine Forest; 750 m. 750 Comment
  SEINET10472342  Juncus tenuis Lowell Ahart, Peter Ahart 1984-7-19 Ahart 4734 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
  SEINET10472350  Juncus tenuis Lowell Ahart, Peter Ahart 1983-7-29 Ahart 4219 Butte T21N R6E sec 10? Ca. 2 mi s of Milsap Bar, ca. 23 mi ne of Oroville. Yellow Pine Forest; 750 m. 750 Comment
  SEINET10474315  Microseris lindleyi Lowell Ahart 1985-4-24 Ahart 4883 Butte Along the steep sides of North Honcut Creek, Peter Ahart Ranch, about 1 and 1/4 miles north and 3 miles east of Honcut, about 12 miles south of Oroville. Comment
  SEINET10474675  Gnaphalium palustre Lowell Ahart 1985-11-7 Ahart 5239 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
  SEINET10475101  Achillea millefolium var. californica Lowell Ahart, Peter Ahart 1983-7-29 Ahart 4225 Butte T21N R6E sec 10? Ca. 2 mi s of Milsap Bar, ca. 23 mi ne of Oroville. Yellow Pine Forest; 750 m. 750 Comment
  SEINET10475179  Psilocarphus oregonus Lowell Ahart 1983-6-6 Ahart 4033 Butte Peter Ahart Ranch, ca. 2.5 mi ne of Honcut. Valley Grassland; 50 m. 50 Comment
  SEINET10475772  Umbellularia californica Lowell Ahart, James D. Jokerst 1985-3-24 Ahart 4870 Butte On open bare red rocky ridge (serpentine) about 1 1/2 miles north-east of Concow Reservoir. Comment
  SEINET10479079  Chenopodium pumilio Lowell Ahart, Peter Ahart 1984-7-19 Ahart 4744 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
  SEINET10483626  Spiraea douglasii Lowell Ahart 1983-9-17 Ahart 4440 Butte T24N R4E section 34. Ca. 1/4 mi se of Stirling City. Yellow Pine Forest; 1100 m. 1100 Comment
  SEINET10493886  Polygala cornuta Lowell Ahart 1985-6-30 Ahart 5081 Butte About 2 1/2 miles north-east of Forbestown. Alt. 2850 ft. 868 Comment
  SEINET10497276  Cryptantha flaccida Lowell Ahart, Peter Ahart 1984-5-28 Ahart 4649 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
  SEINET10497373  Plagiobothrys glyptocarpus Lowell Ahart 1984-5-7 Ahart 4590 Butte T22N R4E sec 31. Ca. 0.5 mi N of Kunkle Reservoir, along Kunkle Creek, ca. 2 mi S of Paradise, E side of Pentz-Magalia Hwy. Foothill Woodland; 600 m. 600 Comment
  SEINET10497374  Plagiobothrys glyptocarpus Lowell Ahart 1985-4-29 Ahart 4886 Butte Peter Ahart Ranch, about 2 miles north and 2 miles east of Honcut, about 12 miles south of Oroville. Comment
  SEINET10507122  Agrostis scabra Lowell Ahart, Peter Ahart 1984-7-19 Ahart 4738 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
  SEINET10507503  Lolium temulentum Lowell Ahart, Peter Ahart 1983-6-21 Ahart 4068 Butte T20N R5E sec 5. Along Bloomer Hill Rd, ca. 0.5 mi w of Oroville-Quincy Hwy, ca. 15 mi ne of Oroville. Foothill Woodland. 400 Comment
  SEINET10508575  Glyceria occidentalis Lowell Ahart 1983-4-18 Ahart 3936 Butte Peter Ahart Ranch, ca. 3 mi ne of Honcut. Valley Grassland; 50 m. 50 Comment
  SEINET10509316  Echinochloa crus-galli Lowell Ahart 1984-9-17 Ahart 4792 B 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
  SEINET10548094  Penstemon personatus Lowell Ahart, Peter Ahart 1984-7-19 Ahart 4761 Butte About 1/2 mile east of Bald Mountain, about 5 miles north-east of Stirling City. Comment
  SEINET10592054  Lolium temulentum Lowell Ahart 1968-8-5 Ahart 18 Butte Peter Ahart Ranch, Honcut. Valley Grassland. 150 Comment
  SEINET10753211  Agrostis avenacea Lowell Ahart 1987-6-9 Ahart 5727 Butte On dry sand, on a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles SE of Jarbo Gap 271 Comment
  SEINET10833598  Aquilegia formosa Lowell Ahart, Peter Ahart 1984-6-10 Ahart 4703 Butte About 2 mi SW of Forbestown Diversion Dam, NE of Forbestown; Yellow Pine Forest; 700 m. 700 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
  SEINET10868957  Echinochloa crus-galli Lowell Ahart 1984-9-17 Ahart 4791 A 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
  SEINET10872415  Pilularia americana Lowell Ahart 1984-5-7 Ahart 4588 Butte T22N R4E sec 31. Ca. 0.5 mi N of Kunkle Reservoir, along Kunkle Creek, ca. 2 mi S of Paradise, E side of Pentz-Magalia Hwy. Foothill Woodland; 600 m. 600 Comment
  SEINET10906948  Trifolium tridentatum Lowell Ahart 1985-5-15 Ahart 5006 Butte 1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow of Reservoir. Comment
  SEINET10907260  Rorippa curvisiliqua var. occidentalis Lowell Ahart 1985-4-21 Ahart 4878 Butte Along the sides of Wyandotte Creek, south of Central House Road, north-west of Honcut, about 12 miles south of Oroville, Butte County. 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
  SEINET10931220  Orthocarpus hispidus Lowell Ahart, Peter Ahart 1983-6-12 Ahart 4044 Butte T20N R5E n half sec 36. Ca. 1 mi s of Crystal Hill, n of Oregon Gulch, near Lake Oroville, ca. 7 mi sw of Feather Falls. Yellow Pine Forest. Comment
  SEINET10931404  Verbena robusta Lowell Ahart 1985-5-6 Ahart 4937 Butte Bottom of Lindo Channel, about 1/10 mile east of Longfellow Ave., Chico. Comment
  SEINET10935022  Gastridium phleoides Lowell Ahart, Peter Ahart 1983-6-21 Ahart 4063 Butte T20N R5E sec 5. Along Bloomer Hill Rd, ca. 1/8 mi w of Oroville-Quincy Hwy, 1.3 mi s of Berry Creek School, ne of Oroville. Foothill Woodland; 400 m. 400 Comment
  SEINET10935850  Plagiobothrys stipitatus var. micranthus Lowell Ahart 1983-5-12 Ahart 3972 Butte Along the power line, ca. 0.5 mi ne of jct of Hwy 99 and Pentz Rd, ca. 16 mi s of Chico. Valley Grassland; 65 m. 65 Comment
  SEINET10935928  Cryptantha intermedia Lowell Ahart, Peter Ahart 1984-7-19 Ahart 4742 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
  SEINET10959473  Stipa lemmonii Lowell Ahart 1987-5-9 Ahart 5583 Butte Along Pulga Road, about 0.25 miles West of Bardees Bar along the North Fork of the Feather River, about 2.5 miles South-West of Pulga. Yellow Pine Forest. Common, on dry broken serpentine. "Lemmon's Stipa". 366 Comment
  SEINET10971818  Cyperus erythrorhizos Lowell Ahart 1984-8-19 Ahart 4789 Butte West of Pacific Heights Road, about 5 miles south-west of Oroville. Comment
  SEINET10972990  Centaurium venustum subsp. abramsii Lowell Ahart, Peter Ahart 1983-6-12 Ahart 4039 Butte T20N R5E n half sec 36. Ca. 1 mi s of Crystal Hill, n of Oregon Gulch, near Lake Oroville, ca. 7 mi sw of Feather Falls. Yellow Pine Forest. Comment
  SEINET10973051  Euphorbia maculata Lowell Ahart, Peter Ahart 1985-7-9 Ahart 5111 Butte About 1/4 mile north-west of the Ponderosa Dam across the South Fork of the Feather River. Comment
  SEINET10973133  Clarkia purpurea subsp. viminea Lowell Ahart, Peter Ahart 1984-5-28 Ahart 4650 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
  SEINET11268266  Cyperus niger Lowell Ahart 2000-8-23 8662 Butte About 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 4 miles (air) southwest of Oroville.; 0 43 Comment
  SEINET11934484  Eriogonum umbellatum var. polyanthum L. Ahart, Ahart, P. 1985-1 5113 Butte about 8mi NE of Feather Falls.on lava, ca 140yds S of dirt rd, Lumpkin Ridge, ca 1.5 mi E of camp 18 975 Comment
  SEINET12092936  Dicentra formosa L. Ahart, Ahart, P. 1984-1 4710 Butte About 2 mi SW of Forbestown Diversion Dam, NE of Forbestown, Yellow Pine Forest 700 Comment
  SEINET12329571  Cryptantha flaccida L. Ahart, Ahart, P. 1984-1 4649 Butte on a large road cutbank along Hwy 40, now called Dark Canyon Rd, ca 2 mi E of Old Yankee Hill.. 450 Comment
  SEINET12331808  Phacelia heterophylla L. Ahart, Ahart, P. 1984-1 4722 Butte ca 1.5 mi SE of Bald Mountain, 0.75 mi W of Oak Point, about 4 mi NE of Stirling City 1500 Comment
  SEINET13710950  Eleocharis quinqueflora Lowell William Ahart, Lowell William Ahart 2000-1 8555 Butte 5 Air Mi. NE of Feather Falls (T21N, R7E, sec 27, NW 1/4) 3400 Ft. 1036 Comment
  SEINET260317  Polygonum lapathifolium Lowell Ahart 1986-11-9 5452 Butte Ca 1/10 mi S of the clay burrow for Oroville Dam 1/4 mi ESW of Oroville 1/4 mi E of Larkin Rd 37 Comment
  SEINET260328  Nicotiana acuminata var. multiflora Lowell Ahart 1986-11-9 5434 Butte Boat launch area off the Oroville Quincy highway near Canyon Creek about 12 mi NE of Oroville 270 Comment
  SEINET516431  Plagiobothrys stipitatus var. micranthus Lowell Ahart 1974-1 406 Butte Normal size plants, growing on damp red soil at the bottom of a swale, Peter Ahart Ranch, about 1 1/2 mi N and 1 mi E of Honcut, about 12 mi S of Oroville. 37 Comment
  SEINET516433  Plagiobothrys scriptus Lowell Ahart 1977-1 1275 Butte Normal size plant, growing on damp to dry gravelly red soil along the edge of small swales, Peter Ahart Ranch, about 1 1/2 mi N and 1 mi. E of Honcut, about 12 mi S of Oroville. 37 Comment
  UCD119786  Cryptantha flaccida Lowell Ahart 1984-6-8 4668 Butte at the Ponderosa Dam, 2 miles northwest of Forbestown, on the N side of Ponderosa Reservoir. Comment
  UCD123843  Kickxia elatine L. Ahart 1974-6-3 475 Butte Peter Ahart Ranch, Honcut. 45 Comment
  UCD126109  Verbena litoralis L. Ahart 1982-7-10 3678 Butte 1/4 mi east of HQ, Graylodge Wildlife Refuge, ca. 13 miles southwest of Gridley. 35 Comment
  UCD129712  Calycadenia multiglandulosa L. Ahart; Peter Ahart 1984-6-10 4687 Butte Along the edge of a new subdivision road around 1 mile southeast of Hurleton, 1/2 mile east of Oak Grove Cemetary, around 10 miles east of Oroville. 500 Comment
  UCSB63848  Cryptantha affinis Ahart, Lowell 1997-7-1 Butte T24N, R5E, very southwest 1/4 of Section 9; north of the campus along Little Kimshew Creek, about 1/4 mi north of the County Road, east of Bald Mountain, about 1/4 mi north of the County Rd, east of Bald Mtn, about 8 mi (air) northeast of Stirling City 1219 Comment
  UCSC008252  Trifolium cyathiferum Lowell Ahart 1995-10-3 7671 Butte Along a small branch of Willow Creek, about 1/2 mile west of Humbug Summit. T26N, R5E, near center of Section 13 1981 Comment
  CDA2777  Polygonum persicaria L. Ahart 2006-8-9 13132 Colusa North side and under the bridge across Stony Creek, just north of Stonyford. Comment
  CDA7157  Stephanomeria virgata subsp. pleurocarpa L. Ahart 2004-10-4 11424 Colusa East side of Leesville Road, about 4.7 miles by road southeast of the intersection of Bear Valley Road, Leesville Ladoga Road and Leesville Road, northeast of Bear Valley. Comment
  CHSC112210  Festuca microstachys var. pauciflora Lowell Ahart; John Dittes, Josephine Guardino 2013-4-26 18636 Colusa Inner North Coast Range. On the north side of State Highway 20, just east of Lake County Line, 12.2 mile (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams. 566 Comment
  CHSC112230  Thysanocarpus laciniatus Lowell Ahart 2013-5-1 18664 Colusa On the east side of Bear Valley Road, about 2 1/2 miles (by road) northwest of the intersection of State Highway 20 and Bear Valley Road. 533 Comment
  CHSC112269  Melica torreyana Lowell Ahart 2013-5-1 18692 Colusa Inner North Coast Range. Near a small drainage, north of the wash and State Highway 20, just east of Lake County Line, 12.2 miles (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams. 566 Comment
  CHSC112316  Campanula griffinii Lowell Ahart 2013-5-1 18690 Colusa Inner North Coast Range. Near a small drainage, north of the wash and State Highway 20, just east of Lake County Line, 12.2 mile (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams. 566 Comment
  CHSC112625  Persicaria lapathifolia Lowell Ahart 2013-10-1 19090 Colusa Inner North Coast Range. Strand of East Park Reservoir, about 2 1/2 miles (air) southeast of Stonyford, about 2 1/2 miles northwest of Lodoga, about 10 miles (air) northwest of Sites. 364 Comment
  CHSC115003  Lythrum tribracteatum Lowell Ahart 2015-4-28 20113 Colusa North side of Maxwell-Colusa Road, about 5 1/2 miles east of Maxwell. 53 Comment
  CHSC46039  Azolla microphylla Lowell Ahart 1975-1-25 699 Colusa On the south side of Norman Road, about 1 mile west of Princeton. 30 Comment
  CHSC94418  Echinochloa crus-galli Lowell Ahart 2006-8-22 13215 Colusa South side of Stony Creek, about 100 yards west of the bridge across Stony Creek, just north of Stonyford. 349 Comment
  CHSC94462  Schoenoplectus tabernaemontani Lowell Ahart 2006-8-22 13214 Colusa South side of Stony Creek, about 100 yards west of the bridge across Stony Creek, just north of Stonyford. 349 Comment
  CHSC94467  Veronica peregrina subsp. xalapensis Lowell Ahart 2006-8-9 13126 Colusa North side and under the bridge across Stony Creek, just north of Stonyford. 347 Comment
  CHSC94510  Chenopodium album Lowell Ahart 2006-8-22 13221 A Colusa South side of Stony Creek, about 100 yards west of the bridge across Stony Creek, just north of Stonyford. 349 Comment
  CHSC94515  Chenopodium berlandieri Lowell Ahart 2006-8-22 13220 A Colusa South side of Stony Creek, about 100 yards west of the bridge across Stony Creek, just north of Stonyford. 349 Comment
  CHSC94521  Solanum physalifolium var. nitidibaccatum Lowell Ahart 2006-8-22 13223 Colusa South side of Stony Creek, about 100 yards west of the bridge across Stony Creek, just north of Stonyford. 349 Comment
  CHSC94523  Heliotropium europaeum Lowell Ahart 2006-8-22 13228 Colusa North side and under the bridge across Stony Creek, just north of Stonyford. 347 Comment
  JEPS108723  Lotus corniculatus Lowell Ahart 2006-8-9 13129 Colusa North side and under the bridge across Stony Creek, just north of Stonyford 347 Comment
  JEPS108735  Madia elegans subsp. densifolia Lowell Ahart 2006-8-9 13095 Colusa Gravel bar on the south side of Stony Creek, at Mine Camp, about 3 1/2 miles (air) west of Stonyford 455 Comment
  JEPS108753  Atriplex prostrata Lowell Ahart 2006-9-26 13347 Colusa Along the deep ditch, south side of the Delevan National Wildlife Refuge, north side of Maxwell Road, about 3 miles west of Colusa Princeton Road, about 5 1/2 miles east of Maxwell 24 Comment
  JEPS108813  Gilia capitata subsp. capitata Lowell Ahart 2006-6-11 12676 Colusa On the east side of an off road trail (Trail 30), about 100 yards south of Fouts Road, about 5 miles (by road) west of Stonyford 613 Comment
  JEPS110176  Juncus ensifolius Lowell Ahart 2006-8-9 13145 Colusa North side and just east of the bridge across Stony Creek, just north of Stonyford 347 Comment
  JEPS110534  Stachys ajugoides var. rigida Lowell Ahart 2006-10-31 13539 Colusa On the south side of road M 10, about 6 miles by road west of Stonyford 583 Comment
  JEPS113773  Azolla filiculoides Lowell Ahart 2007-7-7 14260 Colusa On north side of the Gridley Colusa Highway, about 1 1/4 miles east of River Road, about 17 miles west of Gridley 20 Comment
  JEPS120997  Carduus pycnocephalus subsp. pycnocephalus Lowell Ahart 2013-5-1 18660 Colusa Bear Valley Road, about 2.5 road miles NW of intersection of Hwy 20 and Bear Valley Road. Comment
  JEPS127105  Lemna minuta Lowell Ahart, John Dittes, Josephine Guardino 2016-2-14 20723 Colusa About 1/2 mile north of Letts Lake, about 1/2 mile south of the large campground, about 13 miles (air) southwest of Stonyford. Comment
  NY723192  Solanum rostratum L. Ahart 1980-6-11 2370 Colusa 9¼ miles north of Colusa 35 Comment
  RSA0036993  Lomatium macrocarpum Lowell A. Ahart 2013-5-1 18676 Colusa North of the wash and State Highway 20, just east of Lake County Line, 12.2 miles (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams. 566 Comment
  RSA0118781  Calochortus splendens Lowell A. Ahart 2013-5-1 18683 Colusa On the north side of the wash, north side of State Highway 20, just east of Lake County Line, 12.2 miles (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams. 567 Comment
  RSA724856  Monardella villosa subsp. villosa L. Ahart 2006-6-11 12672 Colusa On the east side of an off road trail (Trail 30) about 100 yards south of Fouts Road, about 5 miles (by road) west of Stonyford 613 Comment
  RSA724956  Mimulus floribundus L. Ahart 2006-8-9 13151 Colusa North side and under the bridge across Stony Creek, just north of Stonyford. 348 Comment
  SEINET13710358  Eleocharis parishii Lowell William Ahart, Lowell William Ahart 2003-1 10382 Colusa 21 Mi. SW of Williams (39 Deg 00'23.7"N, 122 Deg 23'59.5"W) 1708 Ft. 521 Comment
  JEPS127235  Stipa pulchra Lowell Ahart, Josephine Guardino 2016-4-19 20793 Contra Costa 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest to Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quad. Comment
  CDA42971  Amaranthus californicus L. Ahart 2013-10-22 19181 Glenn Near an old homestead, strand of Stony Gorge Reservoir, about two miles south of the dam, about 17 miles (air) northwest of Willows. Comment
  CHSC112633  Cyperus fuscus Lowell Ahart 2013-10-19 19169 Glenn Between the river and the large gravel bar, along the west side of the Sacramento River, southwest of the boat launch area, west of Butte City. 26 Comment
  CHSC112652  Cyperus difformis Lowell Ahart 2013-10-19 19157 Glenn Between the river and the large gravel bar, along the west side of the Sacramento River, southwest of the boat launch area, west of Butte City. 26 Comment
  CHSC112664  Rorippa curvisiliqua var. occidentalis Lowell Ahart 2013-10-19 19133 Glenn Between the river and the large gravel bar, along the west side of the Sacramento River, southwest of the boatlaunch area, west of Butte City. 26 Comment
  CHSC112675  Cyperus strigosus Lowell Ahart 2013-10-19 19161 Glenn On the east side of the backwater, along the west side of the Sacramento River, about 300 yards north of the bridge, west of Butte City. 26 Comment
  CHSC81183  Crypsis alopecuroides Lowell Ahart; Vernon H. Oswald 2001-8-22 9172 Glenn On the strand and on the west side of Black Butte Reservoir, about 3 miles north of the bridge across Stony Creek and the upper reaches of Black Butte Reservoir. 140 Comment
  CHSC81797  Hibiscus lasiocarpos var. occidentalis Lowell Ahart 2001-11-9 9412 Glenn On the south side of the bridge on Biggs Princeton Road, about 2 1/2 miles east of Afton. (About 50 yards northwest of the bridge and along the north side of a ditch is a large colony). 21 Comment
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Mar 25 2017
  CHSC94700  Acmispon brachycarpus Lowell Ahart 2006-6-14 12744 Glenn Near small drainage, on the north side of Black Diamond Road, about 2 1/2 miles west of the paved road, about 4 3/4 miles (by road) from Stonyford. 749 Comment
  CHSC94702  Adiantum capillus-veneris Lowell Ahart 2006-6-11 12732 Glenn Cliffs, on the west side of Forest Road 18N03, about 1 1/2 miles (air) northeast of the North Fork Campground, about 5 3/4 miles west-northwest of Stonyford. 630 Comment
  CHSC94705  Eleocharis parishii Lowell Ahart 2006-6-15 12775 Glenn On the north side of the creek, about 100 yards southeast of the ford across Stony Creek (Forest Road 18N03), about 2 miles (air) northeast of the North Fork Campground, about 5 1/4 miles (air) west-northwest of Stonyford. 595 Comment
  CHSC94707  Epilobium densiflorum Lowell Ahart 2006-6-15 12783 Glenn On the west side of the creek, about 30 yards south of the ford across Stony Creek (Forest Road 18N03), about 2 miles (air) northeast of the North Fork Campground, about 5 1/4 miles (air) west-northwest of Stonyford. 595 Comment
  CHSC94752  Lupinus microcarpus var. densiflorus Lowell Ahart 2006-6-11 12710 Glenn About 100 yards north of the ford across Stony Creek (Forest Road 18N03), about 2 miles (air) northeast of the North Fork Campground, about 5 1/4 miles west-northwest of Stonyford. 595 Comment
  CHSC94757  Clarkia rhomboidea Lowell Ahart 2006-6-11 12727 Glenn About 100 yards north of the ford across Stony Creek (Forest Road 18N03), about 2 miles (air) northeast of the North Fork Campground, about 5 1/4 miles west-northwest of Stonyford. 595 Comment
  CHSC94868  Juncus bufonius var. congestus Lowell Ahart 2006-6-11 12714 Glenn About 100 yards north of the ford across Stony Creek (Forest Road 18N03), about 2 miles (air) northeast of the North Fork Campground, about 5 1/4 miles west-northwest of Stonyford. 595 Comment
  JEPS106065  Galium parisiense Lowell Ahart 2004-6-18 11099 Glenn Gravel bar on the south side of Salt Creek, south of the bridge across Salt Creek, on the south side of Newville Road, about 1/4 mile west of Newville, about 5 miles (air) west of Black Butte Reservoir 203 Comment
  JEPS106068  Centaurium trichanthum Lowell Ahart 2004-6-18 11096 Glenn Gravel bar on the north side of Salt Creek, south of the bridge across Salt Creek, on the south side of Newville Road, about 1/4 mile west of Newville, about 5 miles (air) west of Black Butte Reservoir 203 Comment
  JEPS108805  Chlorogalum pomeridianum var. pomeridianum Lowell Ahart 2006-6-11 12687 Glenn On the east side of Forest Road 18N03, south of an intersection, on Black Diamond Ridge, about 2 miles (air) northeast of the North Fork Campground, about 4 3/4 miles (air) northwest of Stonyford 944 Comment
  JEPS108808  Calystegia collina subsp. collina Lowell Ahart 2006-6-11 12682 Glenn On the east side of Forest Road 18N03, south of an intersection, on Black Diamond Ridge, about 2 miles (air) northeast of the North Fork Campground, about 4 3/4 miles (air) northwest of Stonyford 944 Comment
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Nov 21 2007
  JEPS110063  Lupinus microcarpus var. densiflorus Lowell Ahart 2006-6-11 12710 Glenn About 100 yards north of the ford across Stony Creek (Forest Road 18N03), about 2 miles (air) northeast of the North Fork Campground, about 5 1/4 miles west-northwest of Stonyford 595 Comment
  JEPS110345  Typha angustifolia Lowell Ahart 2006-6-11 12731 Glenn On the east side of Forest Road 18N03, about 1 1/2 miles (air) northeast of the North Fork Campground, about 5 3/4 miles (air) west-northwest of Stonyford 630 Comment
  JEPS110348  Agrostis viridis Lowell Ahart 2006-6-11 12730 Glenn On the east side of Forest Road 18N03, about 1 1/2 miles (air) northeast of the North Fork Campground, about 5 3/4 miles west-northwest of Stonyford 630 Comment
  JEPS110409  Carex nudata Lowell Ahart 2006-6-15 12761 Glenn On the west side of the creek, about 400 yards north of the ford across Stony Creek (Forest Road 18N03), about 2 miles (air) northeast of the North Fork Campground, about 5 1/4 miles west-northwest of Stonyford 608 Comment
  JEPS110459  Epipactis gigantea Lowell Ahart 2006-6-15 12765 Glenn On the east edge of the creek, about 400 yards north of the ford across Stony Creek (Forest Road 18N03), about 2 miles (air) northeast of the North Fork Campground, about 5 1/4 miles (air) west-northwest of Stonyford 608 Comment
  JEPS120634  Heliotropium curassavicum var. oculatum Lowell Ahart 2013-10-22 19205 Glenn Strand of Stony Gorge Reservoir, near Fig Orchard One, about 1/2 mile southeast of the dam, about 17 air miles northwest of Willows. Comment
  JEPS120663  Rorippa curvisiliqua var. occidentalis Lowell Ahart 2013-10-19 19133 Glenn Between the river and the large gravel bar, along the west side of the Sacramento River, southwest of the boat launch area, west of Butte City. Comment
  JEPS120689  Elodea canadensis Lowell Ahart 2013-10-19 19166 Glenn In the Sacramento River, east of the large gravel bar, along the west side of the Sacramento River, southwest of the boat launch area, west of Butte City. Comment
  RSA0034521  Crypsis alopecuroides Lowell Ahart 2013-10-22 19191 Glenn Strand of Stony Gorge Reservoir, about 2 1/2 miles south of the dam, about 17 miiles (air) northwest of Willows. 240 Comment
  RSA699912  Medicago lupulina L. Ahart 2004-6-18 11093 Glenn On the north side of Salt Creek, south of the bridge across Salt Creek, on the south side of Newville Road, about 1/4 mile west of Newville, about 5 miles (air) west of Black Butte Reservoir. 204 Comment
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Jan 22 2014
  RSA699917  Schoenoplectus glaucus L. Ahart 2004-6-18 11074 Glenn On the west side of Grindstone Creek, about 100 yards north of Stony Creek, about 50 yards east of Road 306 (Elk Creek Newville Road), west of the Grindstone Rancheria Indian Reservation. 179 Comment
  RSA718944  Torilis arvensis L. Ahart 2006-6-11 12715 Glenn On road bank just east of the ford across Stony Creek (Forest Road 18N03), about 2 miles (air) NE of the North Fork Campground, about 5 1/4 miles W-NW of Stonyford. 596 Comment
  SEINET8273170  Bromus arenarius Lowell Ahart 2004-6-30 11148 Glenn on the north side of Grindstone Creek, just east of the deep wash, about 50 yards east of the bridge across Grindstone Creek, about 50 yards east of Road 306 (Elk Creek Newville Road), west of the Grindstone Rancheria Indian Reservation. 191 Comment
  CHSC10779  Claytonia sibirica Lowell Ahart 1968-6-1 Humboldt Near Pepperwood. 45 Comment
  CHSC11388  Lonicera involucrata var. ledebourii Lowell Ahart 1968-5-31 Humboldt Patrick's Point State Park. 30 Comment
  CHSC10680  Pedicularis densiflora Lowell Ahart 1969-4-7 Lake Near Clear Lake. 182 Comment
  CHSC115329  Claytonia parviflora subsp. parviflora Lowell Ahart 2015-4-10 20019 Lake On the north side of Brim Road, about 3 miles west of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams. 645 Comment
  CHSC115379  Astragalus rattanii var. jepsonianus Lowell Ahart 2015-4-10 20020 Lake Normal size plants, on damp dark soil, in the meadow. 696 Comment
  CHSC84467  Astragalus clevelandii Lowell Ahart 2003-7-14 10403 Lake Along a small stream, on the west side of the second causeway going southwest of Bartlett Springs Road, Indian Valley Reservoir. 449 Comment
  CHSC89396  Erythranthe microphylla Lowell Ahart 2004-10-4 11448 Lake Below the high water line of Indian Valley Reservoir, east of the causeway, in the northwest part of the reservoir, on the east side of Bartlett Springs Road. 446 Comment
  CHSC89444  Heliotropium curassavicum Lowell Ahart 2004-10-4 11425 Lake Below the high water line of Indian Valley Reservoir, near the stream in the northeast part of the reservoir, on the south side of Bartlett Springs Road. 446 Comment
  CHSC89541  Kickxia elatine Lowell Ahart 2004-10-14 11467 Lake On the south side of the bridge across Cache Creek, on the south side of Bartlett Springs Road (Road M 12), about 3 miles west of the northwest part of Indian Valley Reservoir. 502 Comment
  JEPS105956  Chenopodium pumilio Lowell Ahart 2004-10-4 11449 Lake Below the high water line of Indian Valley Reservoir, east of the causeway, in the northwest part of the reservoir, on the east side of Bartlett Springs Road 446 Comment
  JEPS123893  Pediomelum californicum Lowell Ahart 2015-4-28 20100 Lake About 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams. Comment
  JEPS124295  Pectocarya pusilla Lowell Ahart 2015-4-10 20025 Lake Barrel Spring, about 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams. Comment
  JEPS98302  Juncus oxymeris Lowell Ahart 2000-6-2 8436 Lake 2 1/2 mi W of Bear Valley (bottom of a small wash, 100 ft NE of Bartlett Springs Rd, 400 yds SW of radio tower, 1/4 mi W of Bartlett Springs Rd and Walker Ridge Rd) 609 Comment
  RSA702859  Ericameria arborescens L. Ahart 2004-10-14 11470 Lake South side of Cache Creek, on the south side of Bartlett Springs Road (Road M 12), about 2 miles W of the NW part of Indian Valley Reservoir. 477 Comment
  RSA703146  Cupressus macnabiana L. Ahart 2004-10-14 11455 Lake On the north side of Bartlett Springs Road (Road M 12), about 1/8 mile northeast of the northeast part of Indian Valley Reservoir 497 Comment
  CHSC105254  Erigeron bloomeri var. bloomeri Lowell Ahart; John Dittes 2010-7-31 17010 Lassen About 2,300 feet north of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin. 1510 Comment
  CHSC106077  Downingia bacigalupii Lowell Ahart; John Dittes 2010-7-31 17013 Lassen Bottom of small wash, about 2,300 feet north of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin. 1510 Comment
  CHSC106086  Hesperolinon micranthum Lowell Ahart; John Dittes 2010-7-31 16975 Lassen About 100 yards northeast of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin. 1520 Comment
  CHSC107348  Pastinaca sativa Lowell Ahart; John Dittes 2011-6-22 17537 Lassen On both sides of Pumpkin Center Road (County Road 417), 1,257 feet east of intersection of fir Street, just east of Bieber, Big Valley. 1255 Comment
  CHSC108006  Arnica sororia Lowell Ahart; John Dittes 2011-6-20 17483 Lassen About 30 yards east of the stream, about 80 yards north of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin. 1520 Comment
  CHSC108026  Ranunculus occidentalis var. occidentalis Lowell Ahart; John Dittes 2011-6-20 17479 Lassen Meadow, about 15 yards east of the stream, about 40 yards south of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin. 1520 Comment
  CHSC112399  Lupinus microcarpus var. microcarpus Lowell Ahart; John Dittes, Todd Sloat 2013-6-9 18781 Lassen Pasture field, about 100 yards west of the north-south road, on the west side of McArthur Diversion Canal, 2.1 air-miles of Rat Farm Boat Launch, 1.2 air-miles north of McArthur, Fall River Valley, McArthur Swamp. 1007 Comment
  CHSC112973  Chenopodium album Lowell Ahart; John Dittes 2013-7-22 18859 Lassen Drainage filled with dirt from construction of a pond, about 30 yards south of the man made pond, about 120 yards north of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC113076  Rorippa palustris subsp. hispida Lowell Ahart; John Dittes 2013-7-22 18864 Lassen North margin of a duck field, about 100 yards east of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC116195  Elatine Lowell Ahart; John Dittes 2015-7-13 20295 Lassen About 400 yards south of the 4 tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC116198  Elatine californica Lowell Ahart; John Dittes 2015-7-13 20300 Lassen About 400 yards south of the 4 tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC117205  Eriophyllum lanatum var. achilleoides Lowell Ahart; John Dittes 2016-6-7 21004 Lassen 30 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. 1289 Comment
  CHSC117208  Plectritis macrocera Lowell Ahart; John Dittes 2016-6-7 21005 Lassen 10 yards west of the pond, 80 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. 1289 Comment
  CHSC117211  Astragalus purshii var. tinctus Lowell Ahart; John Dittes 2016-6-7 20984 Lassen On the east side of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. 1289 Comment
  CHSC117222  Blepharipappus scaber Lowell Ahart; John Dittes 2016-6-7 20977 Lassen 20 yards west of the pond, along the road to the pond, about 100 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. 1289 Comment
  CHSC117272  Galium aparine Lowell Ahart; John Dittes 2016-7-15 21223 Lassen About 400 yards south of the 4 tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC117280  Acroptilon repens Lowell Ahart; John Dittes 2016-7-15 21229 Lassen East side of road, where the fence is near the canal, about 200 yards southwest of where the levee road crosses Big Valley Cana, in Big Valleym about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. 1264 Comment
  CHSC117492  Asclepias fascicularis Lowell Ahart; John Dittes 2016-7-13 21150 Lassen Sides of the overflow, about 50 yards north of the dam, 200 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills of the southern slope of Big Valley. 1289 Comment
  CHSC31979  Pleiacanthus spinosus L. Ahart 1974-7-9 547 Lassen Along Hwy 395, 1 mi n of jct of Hwys 395 and 70. 1524 Comment
  CHSC44887  Ratibida columnifera Lowell Ahart; John Thomas Howell 1974-7-9 513 Lassen Near the south-west side of Eagle Lake. 1584 Comment
  CHSC91294  Boechera retrofracta Lowell Ahart; John Dittes 2005-6-2 11926 Lassen Along the poor dirt road, about 1/4 mile west of the Anderson Ranch home, Long Valley, about 4 3/4 miles (air) north of the intersection of Scott Road and Highway 70, 6.5 miles (air) northwest of Hallelujah Junction. 1498 Comment
  CHSC93552  Cryptantha watsonii Lowell Ahart; John Dittes 2005-6-2 11949 Lassen Long Valley, along a poor dirt road, about 1 mile northeast of the Anderson Ranch home, about 5 1/2 miles (air) north of the intersection of Scott Road and Highway 70, 6.7 miles (air) northwest of Hallelujah Junction. 1498 Comment
  CHSC93686  Gayophytum racemosum Lowell Ahart; John Dittes 2005-6-1 11884 Lassen Along a poor dirt road, west of Scott Road, Long Valley, about 2 1/2 miles (air) northwest of the intersection of Scott Road and Highway 70, 4.0 miles (air) northwest of Hallelujah Junction. 1438 Comment
  CHSC99131  Castilleja tenuis Lowell Ahart; John Dittes 2008-6-19 14874 Lassen 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
  CHSC99133  Boechera retrofracta Lowell Ahart; John Dittes 2008-6-19 14884 Lassen 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
  CHSC99294  Matricaria discoidea Lowell Ahart; John Dittes 2008-6-22 15024 Lassen End of a levee, about 100 yards east of the tall poles, in Big Valley, about 3.5 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber. 1260 Comment
  CHSC99504  Rorippa curvisiliqua var. orientalis Lowell Ahart; John Dittes 2008-6-20 14937 Lassen On the edge of Big Valley Canal and in vernal pools, about 100 yards south of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. 1263 Comment
  CHSC99519  Bromus japonicus Lowell Ahart; John Dittes 2008-6-19 14875 Lassen 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
  CHSC99728  Thelypodium howellii subsp. howellii Lowell Ahart; John Dittes 2008-6-20 14920 Lassen About 100 yards southwest of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.0 miles (air) northeast of Bieber. 1263 Comment
  HSC100804  Polygonum douglasii subsp. spergulariiforme Lowell Ahart, John Dittes 2010-7-31 16979 Lassen 100 yd. NE of where the road crosses Hunsinger Draw, 1.9 (air) mi. NW of Moll Reservoir, 2.8 (air) mi. W of Ash Valley, 8.4 (air) mi. SE of Adin. 1521 Comment
  JEPS107447  Cryptantha watsonii Lowell Ahart, John Dittes 2005-6-1 11892 Lassen On the north side of Scott Road, Long Valley, about 4 1/4 miles (air) north of the intersection of Scott Road and Highway 70, 5.5 miles (air) northwest of Hallelujah Junction 1433 Comment
  JEPS107790  Crepis acuminata Lowell Ahart, John Dittes 2005-6-2 11933 Lassen Long Valley, along the poor dirt road, about 1/4 mile west of the Anderson Ranch home, about 4 3/4 miles (air) north of the interesection of Scott Road and Highway 70, 6.5 miles (air) northwest of Hallelujah Junction 1498 Comment
  JEPS107934  Rosa woodsii subsp. ultramontana Lowell Ahart, John Dittes 2005-6-2 11944 Lassen Along a small stream, about 1 1/2 miles northeast of the Anderson Ranch home, Long Valley, about 6 miles (air) north of the intersection of Scott Road and Highway 70, about 7.5 miles (air) northwest of Hallelujah Junction 1601 Comment
  JEPS107963  Plagiobothrys kingii var. harknessii Lowell Ahart, John Dittes 2005-6-1 11891 Lassen On the north side of Scott Road, Long Valley, about 4 1/4 miles (air) north of the intersection of Scott Road and Highway 70, 5.5 miles (air) northwest of Hallelujah Junction 1433 Comment
  JEPS114620  Castilleja pilosa Lowell Ahart, John Dittes 2008-6-19 14879 Lassen Open flat, east bank of Willow Creek, about 30 yards northeast of Highway 139, near Forest Road 36N02, about 19.6 miles east-southeast of Bieber 1578 Comment
  JEPS114641  Trifolium longipes var. nevadense Lowell Ahart, John Dittes 2008-6-20 14955 Lassen About 200 yards west of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber 1263 Comment
  JEPS114643  Nemophila pedunculata Lowell Ahart, John Dittes 2008-6-20 14918 Lassen About 100 yards southwest of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber 1263 Comment
  JEPS114650  Amsinckia intermedia Lowell Ahart, John Dittes 2008-6-20 14935 Lassen On the levee road, about 100 yards south of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber 1263 Comment
  JEPS114707  Plectritis macrocera Lowell Ahart, John Dittes 2008-6-20 14971 Lassen About 100 yards west of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.0 miles (air) northeast of Bieber 1263 Comment
  JEPS114757  Eriogonum douglasii var. meridionale Lowell Ahart, John Dittes 2008-6-19 14895 Lassen 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
  JEPS117368  Eriogonum nudum var. nudum Lowell Ahart, John Dittes 2010-8-30 17088 Lassen South side of the road, between Elkins Lane and Walters Road, 550 feet south of Modoc County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1274 Comment
  JEPS117478  Setaria viridis Lowell Ahart, John Dittes 2010-8-31 17139 Lassen On the east side of Walters Road, 4235 feet south of Modoc County Line, about 4.3 miles (air) south-southwest of Adin, about 7.0 miles (air) northeast of Bieber, Big Valley 1276 Comment
  JEPS117570  Eriogonum nudum var. nudum Lowell Ahart, John Dittes 2010-7-31 16983 Lassen About 100 yards northeast of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin 1520 Comment
  JEPS117582  Linum lewisii var. lewisii Lowell Ahart, John Dittes 2010-7-31 16981 Lassen Dry meadow 10 yards northeast of the large culvert, where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin 1516 Comment
  JEPS118269  Alyssum minus subsp. micranthum Lowell Ahart, John Dittes 2011-6-20 17493 Lassen About 20 yards east of the stream, about 80 yards north of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin 1520 Comment
  JEPS118283  Antennaria dimorpha Lowell Ahart, John Dittes 2011-6-20 17508 Lassen About 40 yards north of the dirt road, about 100 yards northeast of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin 1520 Comment
  JEPS120904  Polygonum aviculare subsp. depressum Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18735 Lassen About 30 yards N of the 4 tall poles, Ash Creek State Wildlife Area, about 5.5 air miles NE of Bieber, Big Valley. Comment
  JEPS121276  Lactuca serriola Lowell Ahart, John Dittes 2013-7-23 18887 Lassen 40 yards S of the man-made pond, about 110 yards N of the four tall poles, Ash Creek State Wildlife Area, about 5.5 air miles NE of Bieber, Big Valley. Comment
  JEPS121287  Lythrum tribracteatum Lowell Ahart, John Dittes 2013-7-23 18902 Lassen About 150 yards NW of the four tall poles, Ash Creek State Wildlife Area, about 5.5 air miles NE of Bieber, Big Valley. Comment
  JEPS124368  Carduus nutans Lowell Ahart, John Dittes, Joe DiSalvo 2015-7-14 20322 Lassen Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS124374  Nepeta cataria Lowell Ahart, John Dittes 2015-7-13 20313 Lassen Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS126520  Trifolium macrocephalum Lowell Ahart, John Dittes 2016-6-7 20985 Lassen 30 yards east of the Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. Comment
  JEPS126570  Plagiobothrys stipitatus var. micranthus Lowell Ahart, John Dittes 2016-6-7 20978 Lassen About 100 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. Comment
  JEPS127172  Trifolium variegatum var. variegatum Lowell Ahart, John Dittes 2016-7-15 21233 Lassen About 10 yards west of State Highway 299, Big Valley Mountains, 0.4 mile (air) northeast of Big Valley Summit, 5.0 miles (air) southwest of Bieber. Comment
  JEPS127180  Trifolium eriocephalum subsp. cusickii Lowell Ahart, John Dittes 2016-7-15 21231 Lassen In Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. Comment
  JEPS127218  Alopecurus carolinianus Lowell Ahart, John Dittes 2016-7-15 21214 Lassen Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS127271  Erigeron divergens Lowell Ahart, John Dittes 2016-7-13 21106 Lassen 200 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. Comment
  JEPS127273  Psilocarphus brevissimus var. brevissimus Lowell Ahart, John Dittes 2016-7-13 21110 Lassen 100 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. Comment
  JEPS127346  Mentzelia dispersa Lowell Ahart, John Dittes 2016-7-13 21124 Lassen 200 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. Comment
  RSA0039530  Rumex triangulivalvis Lowell A. Ahart, John Dittes 2012-7-9 18302 Lassen About 100 yards southeast of the tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  RSA0043177  Nemophila pedunculata L. Ahart, John Dittes 2005-6-1 11898 Lassen On the south side of Scott Road, east side of the railroad underpass, Long Valley, about 4.75 miles (air) north of the intersection of Scott Road and Hwy 70, 6.2 miles (air) northwest of Hallelujah Junction. 1460 Comment
  RSA0045640  Salix lasiolepis var. lasiolepis Lowell Ahart, John Dittes 2008-6-22 15044 Lassen On the south side of the road levee, in Big Valley, about 2.4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.4, miles (air) northeast of Bieber. 1257 Comment
  RSA0059604  Trifolium longipes var. nevadense Lowell Ahart, John Dittes 2011-6-20 17478 Lassen About 15 yards east of the stream, about 40 yardssouth of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin. 1520 Comment
  RSA0115350  Penstemon rydbergii var. oreocharis Lowell A. Ahart, John Dittes 2008-6-20 14919 Lassen About 100 yards southwest of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. 1263 Comment
  RSA715613  Poa secunda subsp. secunda L. Ahart, John Dittes 2005-6-1 11845 Lassen On the west side of the poor dirt road, about 1/2 mile west of Scott Road, Long Valley, About 2 miles (air) northwest of the intersection of Scott Road and Highway 70, 3.9 miles (air) northwest of Hallelujah Junction. 1449 Comment
  RSA715622  Salix exigua L. Ahart, John Dittes 2005-6-1 11905 Lassen North side of Scott Road, east side of the railroad underpass, Long Valley, about 4 3/4 mile (air) north of the intersection of Scott Road and Highway 70, 6.2 miles (air) northwest of Hallelujah junction. 1460 Comment
  RSA715625  Veronica arvensis L. Ahart, John Dittes 2005-6-1 11903 Lassen On the south side of Scott Road, east side of the railroad underpass, Long Valley, about 4.75 miles (air) north of the intersection of Scott Road and Hwy 70, 6.2 miles (air) northwest of Hallelujah Junction. 1460 Comment
  RSA715627  Plagiobothrys scouleri var. cusickii L. Ahart, John Dittes 2005-6-1 11906 Lassen North side of Scott Road, east side of the railroad underpass, Long Valley, about 4 3/4 mile (air) north of the intersection of Scott Road and Highway 70, 6.2 miles (air) northwest of Hallelujah junction. 1460 Comment
  RSA715990  Montia linearis L. Ahart, John Dittes 2005-6-2 11956 Lassen Along poor dirt road, 1 mile E of Anderson Ranch home, Long Valley, 4.5 miles air N of the intersection of Scott Road and Hwy 70, 6 miles NW of Hallelujah jct. 1426 Comment
  RSA715992  Centaurium muehlenbergii L. Ahart, John Dittes 2005-6-2 11977 Lassen Long Valley, about 4 1/2 miles (air) northeast of the intersection of Scott Road and Highway 70, 5.7 miles (air) northwest of Hallelujah Junction. 1409 Comment
  RSA755319  Carex nebrascensis L. Ahart, John Dittes 2008-6-22 15019 Lassen On the north side of the levee, about 90 yards east of the tall poles, mountain meadow, in Big Valley, about 3.5 air miles northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.5 air miles northeast of Bieber. 1261 Comment
  RSA768029  Sidalcea glaucescens L. Ahart, John Dittes 2010-7-31 17016 Lassen About 50 yards east of the large culvert, where the road crosses Hunsinger Draw, 1.9 air miles northwest of Moll Reservoir, 2.8 air miles west of Ash Valley, 8.4 air miles southeast of Adin 1516 Comment
  RSA768778  Eriogonum strictum var. anserinum L. Ahart, John Dittes 2010-7-31 16989 Lassen About 2300 feet north of where the road crosses Hunsinger Draw, 1.9 air miles northwest of Moll Reservoir, 2.8 air miles west of Ash Valley, 8.4 air miles southeast of Adin. 1511 Comment
  UCSC011166  Trifolium geminiflorum Lowell Ahart, John Dittes 2016-7-15 21233 Lassen About 10 yards west of State Highway 299, Big Valley Mountains, 0.4 air miles northeast of Big Valley Summit, 5.0 air miles southwest of Bieber. 1398 Comment
  SBBG128900  Penstemon rydbergii var. oreocharis L. Ahart, J. Dittes 2008-6-20 14919 Lassen ca. 100 yards SW of where the levee rd crosses Big Valley Canal in Big Valley, ca. 4 mi (air) NE of Headquarters at Ash Crk State Wildlife Area, ca. 7 mi (air) NE of Bieber 1263 Comment
  SEINET13710357  Pyrrocoma lanceolata Lowell William Ahart, Lowell William Ahart 1999-1 8231 Lassen Willow Creek Wildlife Area, Hwy. 139, 4800 Ft (T31N, R12E, sec 4, SW 1/4) 1463 Comment
  CHSC103430  Baccharis pilularis Lowell Ahart 2009-11-12 16506 Mendocino On the south side of the paved road, on the south side of the Russian River, about the high water line of Lake Mendocino, about 200 yards south of Highway 20. 237 Comment
  CHSC103442  Juncus bufonius var. bufonius Lowell Ahart 2009-11-12 16532 Mendocino Mud flat on the south side of the Russian River, below the high water line of Lake Mendocino, about 200 yards south of Highway 20. 230 Comment
  CHSC112281  Isoetes nuttallii Lowell Ahart; John Dittes, Josephine Guardino 2013-4-24 18586 Mendocino North Coast. South of the entrance and road, 2.9 miles (air) northwest of Pt. Arena, 3.3 miles (air) southwest of Manchester. 15 Comment
  CHSC112283  Petrorhagia dubia Lowell Ahart; John Dittes, Josephine Guardino 2013-4-26 18622 Mendocino Outer North Coast Range. Disturbed edges of Mountain View Road, 275 feet northeast of confluence of Bear Wallow and Honey Creeks. 237 Comment
  JEPS115210  Atriplex triangularis Lowell Ahart 2009-11-12 16515 Mendocino On the south side of the Russian River, below the high water line of Lake Mendocino, about 200 yards south of Highway 20 230 Comment
  JEPS121147  Juncus capitatus Lowell Ahart, John Dittes, Josephine Guardino 2013-4-24 18579 Mendocino South of the entrance and road, 2.9 air miles NW of Point Arena, 3.3 air miles SW of Manchester. Comment
  CDA32117  Heliotropium curassavicum L. Ahart, John Dittes 2008-8-21 15229 Merced Near the windmill and corral, about 1/4 mile southwest of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. Comment
  CDA32121  Polygonum persicaria L. Ahart, John Dittes 2008-8-21 15244 Merced On the bottom of Dutchman Slough, about 220 yards south of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. Comment
  CDA42990  Trifolium microcephalum L. Ahart, John Dittes, Josephine Guardino 2008-4-11 14623 Merced About 40 yards southeast of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. Comment
  CHSC100020  Phyla nodiflora var. rosea Lowell Ahart; John Dittes 2008-8-21 15247 Merced On the high sides of Dutchman Slough, about 220 yards south of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
  CHSC100362  Sorghum halepense Lowell Ahart; John Dittes 2008-8-21 15264 Merced On the banks of Dutchman Slough, about 300 yards southwest of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southwest of Merced. 46 Comment
  CHSC100422  Echinochloa crus-galli Lowell Ahart; John Dittes 2008-8-25 15254 Merced On the bottom of Dutchman Slough, about 220 yards south of the wire gate on the outh side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
  CHSC100425  Cyperus eragrostis Lowell Ahart; John Dittes 2008-8-25 15249 Merced On the bottom and sides of Dutchman Slough, about 220 yards south of the wire gate on the outh side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
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Oct 5 2019
  CHSC98831  Pogogyne ziziphoroides Lowell Ahart; John Dittes, Josephine Guardino 2008-4-12 14678 Merced On dry soil, in a vernal pool, about 1/8 mile southwest of the windmill and corral, about 1/2 mile southwest of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
  CHSC98833  Amsinckia intermedia Lowell Ahart; John Dittes, Josephine Guardino 2008-4-11 14608 Merced On dry soil, on grassy slopes, about 20 yards southeast of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
  CHSC98870  Marsilea vestita subsp. vestita Lowell Ahart; John Dittes, Josephine Guardino 2008-4-13 14697 Merced On the bottom of a vernal pool, about 40 yards southeast of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
  CHSC98875  Juncus bufonius var. congestus Lowell Ahart; John Dittes, Josephine Guardino 2008-4-11 14647 Merced Along the fence, about 20 yards east of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
  CHSC98881  Muilla maritima Lowell Ahart; John Dittes, Josephine Guardino 2008-4-12 14680 Merced Along the west fence, about 1/8 mile northwest of the windmill and corral, about 1/2 mile southwest of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
  CHSC98883  Urtica urens Lowell Ahart; John Dittes, Josephine Guardino 2008-4-11 14657 Merced Along the fence, about 20 yards east of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
  CHSC99170  Spergularia media Lowell Ahart; John Dittes, Josephine Guardino 2008-4-11 14627 Merced On dry soil above the high margins of vernal pools, about 40 yards southeast of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
  CHSC99172  Plagiobothrys greenei Lowell Ahart; John Dittes, Josephine Guardino 2008-4-11 14609 Merced On dry soil on the bottom and sides of vernal pools, about 40 yards southeast of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
  CHSC99941  Elymus trachycaulus subsp. trachycaulus Lowell Ahart; John Dittes 2008-8-21 15252 Merced On south side of Dutchman Slough, about 220 yards south of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
  CHSC99943  Erigeron canadensis Lowell Ahart; John Dittes 2008-8-21 15223 Merced On the banks of Dutchman Slough, about 220 yards south of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
  JEPS114346  Raphanus raphanistrum Lowell Ahart, John Dittes, Josephine Guardino 2008-4-13 14695 Merced Along the fence, about 50 yards west of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced 53 Comment
  JEPS114600  Plagiobothrys canescens Lowell Ahart, John Dittes, Josephine Guardino 2008-4-12 14668 Merced On dry soil, slopes of mounds, about 1/2 mile south of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced 53 Comment
  JEPS114670  Pogogyne ziziphoroides Lowell Ahart, John Dittes, Josephine Guardino 2008-4-12 14678 Merced On dry soil, in a vernal pool, about 1/8 mile southwest of the windmill and corral, about 1/2 mile southwest of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced 53 Comment
  JEPS114794  Setaria pumila Lowell Ahart, John Dittes 2008-8-21 15259 Merced On the bottom of Dutchman Slough, about 220 yards south of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southwest of Merced 53 Comment
  JEPS115248  Cressa truxillensis Lowell Ahart, John Dittes 2008-8-21 15236 Merced On the north side of Dutchman Slough, about 1/8 mile southwest of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced 49 Comment
  RSA0105685  Marsilea vestita subsp. vestita Lowell Ahart, John Dittes, Josephine Guardino 2008-4-12 14769 Merced About 1/8 mile northwest of the windmill and corral, about 1/2 mile southwest of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
  RSA0108930  Trifolium microcephalum Lowell Ahart, John Dittes, Josephine Guardino 2008-4-11 14623 Merced About 40 yards southeast of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
  RSA770100  Atriplex rosea L. Ahart, John Dittes 2008-8-21 15232 Merced 30-80 yards southwest of the wire gate on south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
  RSA770107  Amaranthus albus L. Ahart, John Dittes 2008-8-21 15218 Merced Near the windmill and corral, about 1/4 mile southwest of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced 50 Comment
  SBBG128590  Centromadia pungens subsp. pungens L. Ahart, J. Dittes 2008-8-21 15226 Merced 30 yards SE of wire gate on the S side of Sandy Mush Rd, 3.7 mi W of Hwy 99, ca. 8.5 mi SSE of Merced 53 Comment
  CHSC100354  Scirpus microcarpus Lowell Ahart; John Dittes 2008-8-26 15354 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CHSC100428  Urtica dioica subsp. holosericea Lowell Ahart; John Dittes 2008-8-25 15282 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CHSC100431  Echinochloa crus-galli Lowell Ahart; John Dittes 2008-8-25 15314 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CHSC100433  Nicotiana attenuata Lowell Ahart; John Dittes 2008-8-25 15319 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CHSC100458  Amelanchier utahensis Lowell Ahart; John Dittes 2008-8-25 15326 Modoc On the east side of East Gouger Neck Road, east of the Pit River, 2.1 miles by road from County Road 91, 5.6 miles (air) northeast of Lookout. 1293 Comment
  CHSC100464  Lepidium lasiocarpum Lowell Ahart; John Dittes 2008-8-26 15332 Modoc On the sides of County Road 85a, 287 feet east of County Road 91, 7.7 miles (air) north-northeast of Lookout. 1303 Comment
  CHSC106179  Lactuca serriola Lowell Ahart; John Dittes 2010-8-30 17073 Modoc About 15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC107345  Camelina microcarpa Lowell Ahart; John Dittes 2011-6-22 17547 Modoc On the east side of the road, about 150 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CHSC107383  Plagiobothrys tenellus Lowell Ahart; John Dittes 2011-6-22 17553 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CHSC109679  Lupinus argenteus var. heteranthus Lowell Ahart; John Dittes 2012-7-10 18330 Modoc About 300 yards northeast of the old barn, on the sides of the mowed road. Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC111409  Cirsium Lowell Ahart; John Dittes 2012-7-10 18329 Modoc Open meadow, about 300 yeards northeast of the old barn, on the north side of the mowed road. Ash Creek State Wildlife Area, northeast of Bieber, Big Valley. 1266 Comment
  CHSC112756  Artemisia douglasiana Lowell Ahart; John Dittes 2013-7-24 18935 Modoc South bank of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  CHSC112816  Lactuca serriola Lowell Ahart; John Dittes 2013-7-25 18947 Modoc 30 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  CHSC112836  Polygonum aviculare Lowell Ahart; John Dittes 2013-7-24 18915 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  CHSC113087  Scirpus microcarpus Lowell Ahart; John Dittes 2013-7-24 18944 Modoc South margin of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  CHSC115512  Iris missouriensis Lowell Ahart; John Dittes 2015-7-17 20399 Modoc About 50 yards north of Ash Creek, Ash Creek State Wildlife Area, about 3/4 mile south of County Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. 1279 Comment
  CHSC115532  Mimulus guttatus Lowell Ahart; John Dittes 2015-7-16 20363 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destoryed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Beiber, Big Valley. 1267 Comment
  CHSC115571  Ranunculus cymbalaria Lowell Ahart; John Dittes 2015-7-15 20348 Modoc On the east side of Eldins Lane, about 200 yards northeast of the Parking Area, northwest of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC115829  Lemna minuta Lowell Ahart; John Dittes 2015-7-17 20397 Modoc On the south side of Ash Creek, Ash Creek State Wildlife Area, about 3/4 mile south of county Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. 1279 Comment
  CHSC116069  Medicago lupulina Lowell Ahart; John Dittes 2015-7-16 20386 Modoc North edge of Ash Creek (destroyed), southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC116083  Trifolium wormskioldii Lowell Ahart; John Dittes 2015-7-16 20367 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC117138  Equisetum laevigatum Lowell Ahart; John Dittes 2016-7-14 21211 -B Modoc Strand of new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC117231  Trifolium hybridum Lowell Ahart; John Dittes 2016-7-16 21240 Modoc Between the first pond and the second going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC117255  Solanum physalifolium var. nitidibaccatum Lowell Ahart; John Dittes 2016-7-14 21199 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC117258  Polygonum ramosissimum subsp. prolificum Lowell Ahart; John Dittes 2016-7-14 21191 Modoc West of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC117357  Agrostis stolonifera Lowell Ahart; John Dittes 2016-7-14 21208 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC117566  Erythranthe inflatula Lowell Ahart; John Dittes 2016-7-14 21183 Modoc Around the strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC99904  Grindelia nana Lowell Ahart; John Dittes 2008-8-21 15279 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  JEPS114493  Tetradymia canescens Lowell Ahart, John Dittes 2008-8-25 15299 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout 1273 Comment
  JEPS114837  Apera interrupta Lowell Ahart, John Dittes 2008-6-21 14995 Modoc On damp soil, along the edge of the dying pond, north of the large culvert, east side of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of 1255 Comment
  JEPS114846  Beckmannia syzigachne Lowell Ahart, John Dittes 2008-6-21 14991 Modoc In shallow water and on wet soil, along the edge of the drying pond, north of the large culvert, east of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (ai 1255 Comment
  JEPS117295  Solanum dulcamara Lowell Ahart, John Dittes 2010-8-31 17095 Modoc On the south sdie of Ash Creek, about 10 yards west of the bridge, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Va 1267 Comment
  JEPS117298  Anthemis cotula Lowell Ahart, John Dittes 2010-8-31 17097 Modoc Bottom of a small wash, on the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS117365  Plagiobothrys mollis var. mollis Lowell Ahart, John Dittes 2010-8-30 17077 Modoc About 25 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS117374  Chrysothamnus viscidiflorus subsp. viscidiflorus Lowell Ahart, John Dittes 2010-8-30 17061 Modoc Near the homestead, about 100 yards east of the fence, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS117475  Centaurea cyanus Lowell Ahart, John Dittes 2010-8-31 17100 Modoc On the west side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS117480  Downingia bacigalupii Lowell Ahart, John Dittes 2010-8-31 17124 Modoc About 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS117500  Elytrigia pontica subsp. pontica Lowell Ahart, John Dittes 2010-8-31 17119 Modoc East side of Elkins Lane, about 20 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS118248  Veronica peregrina subsp. xalapensis Lowell Ahart, John Dittes 2011-6-22 17539 Modoc On the west side of the road, about 50 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden [Adin], 10 miles (air) east of Lookout, Big Valley 1264 Comment
  JEPS118336  Camelina microcarpa Lowell Ahart, John Dittes 2011-6-22 17547 Modoc On the east side of the road, about 150 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  JEPS119655  Ribes aureum var. aureum Lowell Ahart, John Dittes 2012-7-10 18317 Modoc Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS119658  Lupinus argenteus var. heteranthus Lowell Ahart, John Dittes 2012-7-10 18330 Modoc Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS119672  Matricaria discoidea Lowell Ahart, John Dittes 2012-7-12 18353 Modoc In the parking area on the east side of Elkins Lane, northeast of homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS120866  Camelina microcarpa Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18757 Modoc On the north side of levee, about 100 yards N of the parking area, NW of the old barn, Ash Creek State Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber, Big Valley. Comment
  JEPS121226  Polygonum aviculare Lowell Ahart, John Dittes 2013-7-24 18915 Modoc N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  JEPS124304  Cichorium intybus Lowell Ahart, John Dittes 2015-7-15 20344 Modoc Ash Creek State Wildlife Area about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber Big Valley. Comment
  JEPS124354  Navarretia intertexta subsp. intertexta Lowell Ahart, John Dittes 2015-7-16 20380 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS124362  Agrostis capillaris Lowell Ahart, John Dittes 2015-7-16 20371 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS124365  Mimulus guttatus Lowell Ahart, John Dittes 2015-7-16 20363 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS126541  Matricaria occidentalis Lowell Ahart, John Dittes 2016-6-6 20961 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  JEPS126543  Castilleja tenuis Lowell Ahart, John Dittes 2016-6-6 20962 -A Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  JEPS126550  Boechera pinetorum Lowell Ahart, John Dittes 2016-6-6 20947 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  JEPS127155  Deinandra lobbii Lowell Ahart, John Dittes 2016-7-16 21252 Modoc About 1/8 mile south of Ash Creek, Ash Creek State Wildlife Area, 1 mile (air) south of County Road 87, 1.7 miles (air) southwest of Adin Big Valley. Comment
  JEPS127158  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2016-7-16 21255 Modoc South of Ash Creek State, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.7 miles (air) west of Adin Big Valley. Comment
  RSA0045632  Polemonium micranthum Lowell A. Ahart, John Dittes 2008-6-21 14981 Modoc North of the large culvert, west of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1256 Comment
  RSA795599  Lagophylla ramosissima subsp. ramosissima L. Ahart, John Dittes 2010-8-30 17065 Modoc About 15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8.0 air miles northeast of Bieber, Big Valley. 1268 Comment
  SBBG128252  Artemisia douglasiana L. Ahart, J. Dittes 2010-8-31 17098 Modoc E side of Elkins Lane, ca. 10 yards S of the bridge across Ash Crk, Ash Crk State Wildlife Area, 4215 feet N of Lassen County Line, ca. 4.3 mi W of Adin, ca. 7.7 mi NE of Bieber, Big Valley 1267 Comment
  SBBG128275  Deinandra lobbii L. Ahart, J. Dittes 2010-8-30 17059 Modoc ca. 5 yards E of the fence, S edge of the meadow, Ash Crk State Wildlife Area, 2300 feet N of Lassen County Line, ca. 3.6 mi W of Adin, ca. 8.0 mi NE of Bieber 1267 Comment
  SBBG128894  Calycadenia fremontii L. Ahart, J. Dittes 2008-8-25 15294 Modoc W side of Pit River, ca. 1/8 mi E of County Rd 91, ca. 3.8 mi (air) NNE of Lookout 1273 Comment
  CDA34679  Mollugo verticillata L. Ahart 2009-10-27 16499 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  CHSC102257  Mollugo verticillata Lowell Ahart 2009-10-27 16499 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CHSC102277  Erythranthe cardinalis Lowell Ahart 2009-10-12 16451 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CHSC102286  Cyperus erythrorhizos Lowell Ahart 2009-10-12 16458 -A Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CHSC102294  Zannichellia palustris Lowell Ahart 2009-10-12 16467 Napa Small pool in Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  CHSC102302  Euthamia occidentalis Lowell Ahart 2009-10-12 16420 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  CHSC102539  Ammannia robusta Lowell Ahart 2009-10-27 16489 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CHSC103018  Helenium puberulum Lowell Ahart 2009-10-12 16423 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CHSC103021  Amaranthus blitoides Lowell Ahart 2009-10-12 16469 Napa Along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CHSC103023  Brickellia californica Lowell Ahart 2009-10-12 16417 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CHSC10556  Lamium amplexicaule Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 304 Comment
  HSC100797  Dittrichia graveolens Lowell Ahart 2009-10-27 16503 Napa Along road at the intersection of Pope Canyon Rd. and Berryessa Knoxville Rd., near Lake Berryessa, 20 (air) mi. W of Winters. 152 Comment
  JEPS115756  Lepidium latifolium Lowell Ahart 2009-10-27 16482 Napa Below the high water line of Lake Berryessa, about 150 yards southeast of Eticuera Creek, about 250 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  JEPS115776  Polygonum persicaria Lowell Ahart 2009-10-12 16448 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  RSA769189  Eragrostis hypnoides L. Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  CDA22629  Eriogonum nudum var. deductum L. Ahart 2004-8-9 11364 Nevada North of the mine waste mound, south of a small dry meadow, southwest of a large snow lake, on the very upper reaches of Jackson Creek, on the northeast side of English Mountain, about 3/4 mile (air) south of Catfish Lake, about 2 3/4 miles east of the east end of Bowman Lake. Comment
  CDA33257  Salix orestera L. Ahart 2004-8-9 11352 Nevada On the southwest edge of a snow lake, drainage flows east into Secret Lake, east of a small dry meadow, on the very very upper reaches of Jackson Creek, on the NE side of English Mtn., about 0.75 mi (air) S of Catfish Lake, about 2.75 mi E of the east end of Bowman Lake. Comment
  CDA38118  Epilobium ciliatum subsp. glandulosum L. Ahart 2003-7-25 10452 Nevada About 50 yards east of a log landing in a logged over forest, on the east side of a poor road, about 100 yards northeast of the locked gate, about 1/8 mile north of Grouse Ridge Road, about 1/2 mile northeast of Bowman Lake Road (Forest Road 18) about 5 miles (air) north of Bear Valley and Highway 20. Comment
  CDA42195  Lonicera conjugialis L. Ahart 2004-8-9 11342 Nevada Near the base of cliffs, on the east side of the very upper reaches of Jackson Creek, on the northeast side of English Mountain, about 3/4 mile (air) south of Catfish Lake, about 2 3/4 miles east of the east end of Bowman Lake. Comment
  CDA8261  Madia minima L. Ahart 2005-7-31 12210 Nevada Between the curve and below the bridge on old Highway 80, east of Donner Pass and Donner Summit. Comment
  CHSC100374  Circaea alpina subsp. pacifica Lowell Ahart 2008-7-18 15111 Nevada Near a small stream, about 50 yards north of the water ditch, Along the P. G. and E. water ditch at the 3 1/4 mile mark, about one mile southwest of Highway 20 (by ditch), about 1/2 mile south of Bear Valley. 1744 Comment
  CHSC108297  Silene lemmonii Lowell Ahart 2011-7-23 17614 Nevada Along the south side of the dirt road, about 1/4 mile east of Highway 20, about 2 miles (air) east of the Omega Rest Area along Highway 20. 1647 Comment
  CHSC110416  Carex subfusca Lowell Ahart 2012-7-28 18392 Nevada west side of Pioneer Trail, about 80 yards east of the P.G. and E. Pavilion and restrooms, on the east side of Bowman Lake Road, about 30 yards south of the Bear River, Bear Valley. 1433 Comment
  CHSC110914  Lactuca serriola Lowell Ahart 2012-7-28 18388 -A Nevada On the west side of Pioneer Trail, about 30 yards east of the PG and E Pavilion and restrooms, on the east side of Bowman Lake Road, about 30 yards south of the Bear River, Bear Valley. 1433 Comment
  CHSC110934  Muhlenbergia filiformis Lowell Ahart 2012-7-28 18404 Nevada About 10 yards west of the Pioneer Trail, about 150 yards northeast of the PG and E Pavilion and restrooms, on the east side of Bowman Lake Road, north of the bridge across the Bear River, Bear Valley. 1433 Comment
  CHSC111607  Frangula rubra subsp. rubra Lowell Ahart 2012-7-28 18395 -A Nevada On the west side of Pioneer Trail, about 80 yards east of the P.G. and E. Pavilion and restrooms, on the east side of Bowman Lake Road, about 30 yards south of the Bear River, Bear Valley. 1433 Comment
  CHSC118532  Mimulus breweri Lowell Ahart; John Dittes, Josephine Guardino 2017-6-26 21420 Nevada About 20 yards southeast of the gate, south of Carpenter Valley Road, about 4 miles (air) west x southwest of Hobart Mills, about 5.2 miles (air) northwest of Truckee, southeast corner of Carpenter Valley. 1908 Comment
  CHSC118535  Carex filifolia var. erostrata Lowell Ahart; John Dittes, Josephine Guardino 2017-6-26 21423 Nevada About 20 yards north of Carpenter Valley Road, about 300 yards west of the gate, about 4 miles (air) west x southwest of Hobart Mills, about 5.2 miles (air) northwest of Truckee, southeast corner of Carpenter Valley. 1908 Comment
  CHSC118538  Mimulus guttatus Lowell Ahart; John Dittes, Josephine Guardino 2017-6-27 21432 Nevada In drying seeps, mountainside, about 200 yards north of Carpenter Meadow, about 4.9 miles (air) northwest of Truckee, Basin of Prosser Creek, Carpenter Valley. 1938 Comment
  CHSC118540  Chaenactis douglasii var. douglasii Lowell Ahart; John Dittes, Josephine Guardino 2017-6-26 21424 Nevada About 40 yards north of Carpenter Valley Road, about 300 yards west of the gate, about 4 miles (air) west x southwest of Hobart Mills, about 5.2 miles (air) northwest of Truckee, southeast corner of Carpenter Valley. 1908 Comment
  CHSC43342  Dendromecon rigida Lowell Ahart 1976-6-13 1139 Nevada Along the edge of the dirt road, about 2 miles east of Steep Hollow Creek, east of Grass Valley. 1036 Comment
  CHSC43479  Erythranthe bicolor Lowell Ahart 1976-5-22 1120 Nevada Along Graniteville Road, east of North Bloomfield. 914 Comment
  CHSC45841  Nemophila spatulata Lowell Ahart 1974-6-11 482 Nevada Around large rocks on the east side of the dirt road, about 3 miles south of Bowman Dam. 1676 Comment
  CHSC46540  Corallorhiza striata Lowell Ahart 1976-6-13 1137 Nevada Along Thimbleberry Creek, near Relief Hill, about 10 miles south-east of North San Juan. 975 Comment
  CHSC69430  Polygonum aviculare subsp. depressum Lowell Ahart 1997-8-13 7852 Nevada Along the north side of Penn Valley Road, just west of the intersection of Pleasant Valley Road and Penn Valley Road, just south of Highway 20, about 1.5 miles west of Penn Valley. 426 Comment
  CHSC69435  Tribulus terrestris Lowell Ahart 1997-8-13 7849 Nevada Penn Valley Road, just east of the intersection of Indian Springs Road and Penn Valley Road, just south of Highway 20, about 1.5 miles west of Penn Valley. 426 Comment
  CHSC78404  Bromus suksdorfii Lowell Ahart 2000-7-28 8617 Nevada Moist area west of the small spring, on the south side of Fall Creek, about 200 yards east of where Fall Creek crosses Forest Highway 18, or Bowman Lake Road, about 5 miles (air) or 8 miles by road north of Highway 20 and Bear Valley. 1706 Comment
  CHSC78501  Arnica dealbata Lowell Ahart 2000-8-10 8653 Nevada Mountain slope near dirt road and dry flat southeast of the cement dam across Fall Creek, about 1/4 mile east of where Fall Creek crosses Forest Highway 18, or Bowman Lake Road, about 5 miles (air) or 8 miles by road north of Highway 20 and Bear Valley. 1706 Comment
  CHSC78503  Erigeron inornatus var. inornatus Lowell Ahart 2000-8-10 8651 Nevada Mountain slope near dirt road and dry flat southeast of the cement dam across Fall Creek, about 1/4 mile east of where Fall Creek crosses Forest Highway 18, or Bowman Lake Road, about 5 miles (air) or 8 miles by road north of Highway 20 and Bear Valley. 1706 Comment
  CHSC78551  Agrostis stolonifera Lowell Ahart 2000-8-10 8631 Nevada Gravel bars along Fall Creek, about 1/8 mile east of where Fall Creek crosses Forest Highway 18, or Bowman Lake Road, about 5 miles (air) or 8 miles by road north of Highway 20 and Bear Valley. 1706 Comment
  CHSC81016  Heterocodon rariflorum Lowell Ahart 2001-8-14 9146 Nevada On the north side of Meadow Lake Road (Forest Road 18), north of the first set of three large culverts where the road crosses Jackson Creek, closest to the east end of Bowman Lake and west of the major campgrounds and buildings. 1706 Comment
  CHSC81079  Anthoxanthum odoratum Lowell Ahart 2001-8-14 9128 Nevada Small mountain meadow, east of the dirt road that goes to Sawmill Lake, south of Prairie Creek, about 1/4 mile south of campgrounds and buildings at the east end of Bowman Lake. 1737 Comment
  CHSC81177  Agrostis idahoensis Lowell Ahart 2001-8-14 9130 Nevada On the bottom of Jackson Creek, on the south side of Meadow Lake Road (Forest Road 18), south of and between the two sets of three large culverts where the road crosses Jackson Creek, at the east and of Bowman Lake and west of the major campgrounds and buildings. 1706 Comment
  CHSC82071  Trisetum projectum Lowell Ahart 2001-7-21 8991 Nevada Near the pipeline right-of-way, north of the dirt road, about 100 yards northeast of the old sheep corralm northeast of Lake Van Norden, about 1 1/2 miles east of Soda Springs. 2063 Comment
  CHSC82242  Galium murale Lowell Ahart 2002-5-4 9587 Nevada 40 yards east of the private driveway, south side of Perimeter Road, about 2.8 miles east of the intersection of Perimeter Road and White Oak Drive, about 5 miles (air) east of Camp Far West Dam, about 1 1/2 miles (air) southeast of Rock Mountain. 243 Comment
  CHSC82245  Myosotis discolor Lowell Ahart 2002-5-4 9593 Nevada South side of Perimeter Road, just east of Saddle Drive, about 1 mile east of the intersection of Perimeter Road and White Oak Drive, about 3 1/2 miles (air) east of Camp Far West Dam. 182 Comment
  CHSC82247  Achyrachaena mollis Lowell Ahart 2002-5-4 9584 Nevada In the road gutter, south side of Perimeter Road, just west of the private driveway, about 2.8 miles east of the intersection of Perimeter Road and White Oak Drive, about 5 miles (air) east of Camp Far West Dam, about 1 1/2 miles (air) southeast of Rock Mountain. 243 Comment
  CHSC84424  Phyllodoce breweri Lowell Ahart 2003-9-2 10549 Nevada Open ridge, north of the trails to the east and south, about 100 yards east of Grouse Ridge Road (Road 14) and east of the Lookout, about 6 miles northeast of Bowman Lake Road (Road 18), about 4 miles (air) south of Bowman Lake. 2259 Comment
  CHSC84462  Darlingtonia californica Lowell Ahart 2003-7-25 10448 Nevada In a bog, about 50 yards east of a log landing, on ... Field redacted by CHSC, contact the data manager for more information 1769 Comment
  CHSC88141  Hypochaeris radicata Lowell Ahart 2004-7-17 11251 Nevada Near a small stream, very upper reaches of Steephollow Creek, about 100 yards west of Highway 20, about 150 yards south of the intersection of Highway 20 and Lowell Hill Road, about 2 miles northwest of Bear Valley, about 3 miles southeast of the Omega Rest Area, about 16 miles (air) northeast of Nevada City. 1463 Comment
  CHSC88143  Gaultheria ovatifolia Lowell Ahart 2004-7-17 11279 Nevada Near a small stream, very upper reaches of Steephollow Creek, about 100 yards west of Highway 20, about 150 yards south of the intersection of Highway 20 and Lowell Hill Road, about 2 miles northwest of Bear Valley, about 3 miles southeast of the Omega Rest Area, about 16 miles (air) northeast of Nevada City. 1463 Comment
  CHSC88154  Achnatherum occidentale subsp. californicum Lowell Ahart 2004-7-17 11269 Nevada Near a small stream, very upper reaches of Steephollow Creek, about 100 yards west of Highway 20, about 150 yards south of the intersection of Highway 20 and Lowell Hill Road, about 2 miles northwest of Bear Valley, about 3 miles southeast of the Omega Rest Area, about 16 miles (air) northeast of Nevada City. 1463 Comment
  CHSC88216  Antennaria rosea subsp. confinis Lowell Ahart 2004-8-9 11362 Nevada North of the mine waste mound, south of a small dry meadow, southwest of a large snow lake, on the very upper reaches of Jackson Creek, on the northeast side of English Mountain, about 3/4 mile (air) south of Catfish Lake, about 2 3/4 miles east of the east end of Bowman Lake. 2290 Comment
  CHSC88434  Calamagrostis canadensis Lowell Ahart 2004-8-17 11377 Nevada On the east margin of a small snow lake, on the north side of Jackson Creek, about 300 yards east of Jackson Lake, at the north base of English Mountain. 2058 Comment
  CHSC92030  Navarretia capillaris Lowell Ahart 2005-7-31 12225 Nevada In a small meadow and near a small wash, between the curve and below the bridge on old Highway 80, east of Donner Pass and Donner Summit. 2062 Comment
  CHSC92082  Castilleja tenuis Lowell Ahart 2005-7-31 12233 Nevada In a small meadow and near a small wash, between the curve and below the bridge on old Highway 80, east of Donner Pass and Donner Summit. 2062 Comment
  CHSC99919  Erythranthe cardinalis Lowell Ahart 2008-7-18 15135 Nevada About 50 yards south of Highway 20, south of the intersection of Highway 20 and Bowman Lake Road, southeast end of Bear Valley. 1439 Comment
  HSC97051  Eriogonum wrightii var. subscaposum L. Ahart 2004-9-29 11406 Nevada 20 yds. NW of Forest Rd. 41, about 1 mi. NW of Weaver Lake, 2 air mi. NW of Bowman Lake, 4 air mi. NE of Graniteville 1883 Comment
  HSC97075  Carex diandra L. Ahart 2004-8-9 11355 Nevada Upper reaches of Jackson Creek, NE side of English Mtn., 0.75 mi. S of Catfish Lake, about 2.75 mi. E of E end of Bowman Lake 2264 Comment
  JEPS102392  Monardella odoratissima subsp. pallida Lowell Ahart 2001-7-21 8970 Nevada Near the edge of a large meadow, on the south side of the dirt road, 50 yards east of the old sheep corral, NE of Lake Van Norden, about 1 1/2 miles east of Soda Springs. 2063 Comment
  JEPS103245  Erigeron philadelphicus var. philadelphicus Lowell Ahart 2002-5-5 9596 Nevada 2 3/4 air mi NE of Camp Far West Dam (large meadow area S of McCortney Rd, 1/4 mi SW of Rock Creek crossing, W of the drainage, 300 yds E of int of McCortney Rd and White Oak Dr) 112 Comment
  JEPS103248  Trifolium cernuum Lowell Ahart 2002-5-5 9605 Nevada 3 mi (air) NE of Camp Far West Dam (on S side of McCortney Rd, 20 yds S of bridge across Rock Creek) 106 Comment
  JEPS103608  Rorippa nasturtium-aquaticum Lowell Ahart 2002-5-5 9598 Nevada Meadow area on the S side of McCortney Road, in the drainage, ca 300 yards E of the intersection of McCortney Road and White Oak Drive, ca 1/4 mile SW of where McCortney Road crosses Rock Creek, ca 2 3/4 miles (air) NE of Camp Far West Dam. 112 Comment
  JEPS105880  Lithospermum californicum Lowell Ahart 2004-5-3 10885 Nevada Serpentine ridge, west of the large flat area on the west side of Washington Road, about 1 1/4 miles north of the intersection of Highway 20 and Washington Road, about 4 1/4 miles (by road) south of Washington 1195 Comment
  JEPS106074  Cassiope mertensiana Lowell Ahart 2004-8-9 11357 Nevada On S edge of large snow lake, drainage flows E into Secret Lake, E of small dry meadow, on the upper reaches of Jackson Creek, on the NE side of English Mountain, ca. 3/4 mi (air) S of Catfish Lake, ca. 2 3/4 mi E of the E end of Bowman Lake 2263 Comment
  JEPS106097  Carex vesicaria var. vesicaria Lowell Ahart 2004-8-17 11373 Nevada On the north edge of a small snow lake, along Jackson Creek, about 300 yards east of Jackson Lake, at the north base of English Mountain 2058 Comment
  JEPS106256  Bromus orcuttianus Lowell Ahart 2004-7-17 11272 Nevada Near small stream, upper reaches of Steephollow Creek, ca. 100 yd W of Hwy 20, ca. 150 yd S of intersection of Hwy 20 and Lowell Hill Rd, ca. 2 mi NW of Bear Valley, ca. 3 mi SE of the Omega Rest Area, ca. 16 mi (air) NE of Nevada City 1463 Comment
  JEPS106287  Mimulus montioides Lowell Ahart 2004-5-3 10883 Nevada Serpentine ridge, west of the large flat area on the west side of Washington Road, about 1 1/4 miles north of the intersection of Highway 20 and Washington Road, about 4 1/4 miles (by road) south of Washington 1195 Comment
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Jul 13 2018
  JEPS107499  Perideridia lemmonii Lowell Ahart 2005-7-23 12200 Nevada Meadow, under the power lines, about 100 yards west of the paved road, southwest of Lake Spaulding, about 1/2 mile north of Highway 20 1572 Comment
  JEPS114777  Bromus orcuttianus Lowell Ahart 2008-7-18 15126 Nevada Along the P. G. & E. water ditch at the 3 1/4 mile mark, about one mile southwest of Highway 20 (by ditch), about 1/2 mile south of Bear Valley 1744 Comment
  JEPS114948  Athyrium filix-femina var. cyclosorum Lowell Ahart 2008-7-18 15138 Nevada About 50 yards south of Highway 20, south of the intersection of Highway 20 and Bowman Lake Road, southeast end of Bear Valley 1439 Comment
  JEPS118245  Cryptogramma acrostichoides Lowell Ahart 2011-7-23 17583 Nevada Southwest of the small meadow where there are two grave memorials, about 80 yards west of Bowman Lake Road, about 1/8 mile west of the bridge across the South Fork of the Yuba River, about 1 mile (air) north of Highway 20 at the intersection of Bowman Lake Road 1379 Comment
  JEPS119973  Chamaesyce maculata Lowell Ahart 2012-7-28 18408 Nevada About 10 yards west of the Pioneer Trail, about 150 yards northeast of the P. G. & E Pavilion and restrooms, on the east side of Bowman Lake Road, north of the bridge across the Bear River, Bear Valley. Comment
  JEPS128572  Veronica serpyllifolia subsp. humifusa Lowell Ahart, John Dittes 2017-7-19 21618 Nevada Northeast part of Carpenter Meadow, about 4.9 miles (air) west of Hobart Mills, about 6.1 miles (air) northwest of Truckee, basin of Prosser Creek, Carpenter Valley. Comment
  JEPS128575  Navarretia capillaris Lowell Ahart, John Dittes 2017-7-19 21621 Nevada About 20 yards west of the north edge of Carpenter Meadow, near fen, about 80 yards east of the end of the poor dirt road, about 4.9 miles (air) west of Hobart Mills, about 6.1 miles (air) northwest of Truckee, basin of Prosser Creek, Carpenter Valley. Comment
  JEPS128578  Crepis acuminata Lowell Ahart, John Dittes 2017-7-19 21628 Nevada About 20 yards west of the north edge of Carpenter Meadow, near fen, about 80 yards east of the end of the poor dirt road, about 4.9 miles (air) west of Hobart Mills, about 6.1 miles (air) northwest of Truckee, basin of Prosser Creek, Carpenter Valley. Comment
  JEPS128580  Carex bolanderi Lowell Ahart, John Dittes 2017-7-19 21597 Nevada About 4.9 miles (air) west of Hobart Mills, about 6.1 miles (air) northwest of Truckee, basin of Prosser Creek, Carpenter Valley. Comment
  JEPS128691  Arnica mollis Lowell Ahart, John Dittes, Josephine Guardino 2017-6-29 21524 Nevada 20 yards south of Carpenter Valley Road, west of the buildings about 4.5 miles (air) west of Hobart Mills, about 6 miles (air) northwest of Truckee, Carpenter Valley, meadow Basin of Prosser Creek. Comment
  JEPS128729  Equisetum laevigatum Lowell Ahart, John Dittes, Josephine Guardino 2017-6-27 21434 Nevada About 200 yards north of Carpenter Meadow, about 4.9 miles (air) west of Hobart Mills, about 6.1 miles (air) northwest of Truckee, Basin of Prosser Creek, Carpenter Valley. Comment
  JEPS128744  Maianthemum stellatum Lowell Ahart, John Dittes, Josephine Guardino 2017-6-27 21451 Nevada About 200 yards north of Carpenter Meadow, about 4.9 miles (air) west of Hobart Mills, about 6.1 miles (air) northwest of Truckee, Basin of Prosser Creek, Carpenter Valley. Comment
  JEPS94451  Epilobium brachycarpum Lowell Ahart 1997-8-13 7846 Nevada about 1.5 mi w of Penn Valley (along sides of Penn Valley Road, just e of intersection of Indian Springs Road and Penn Valley Road, just s of Highway 20); Penn Valley Road 426 Comment
  JEPS94453  Lactuca serriola Lowell Ahart 1997-8-13 7843 Nevada about 1.5 mi w of Penn Valley (along sides of Penn Valley Road, just e of intersection of Indian Springs Road and Penn Valley Road, just s of Highway 20); Penn Valley Road 426 Comment
  JEPS95136  Chondrilla juncea Lowell Ahart 1997-8-13 7840 Nevada 1.5 mi w of Penn Valley (along the sides of Penn Valley Road, just e of the intersection of Indian Springs Road and Penn Valley Road, just s of Highway 20); Penn Valley Road 426 Comment
  JEPS95846  Castilleja pilosa Lowell Ahart 1999-7-26 8099 Nevada on the north side of Grouse Ridge Road (Road 14) and northeast of the Lookout; about 6 miles northeast of Bowman Lake Road (Road 18); about 4 miles (air) south of Bowman Lake 2316 Comment
  RSA0035403  Cryptantha torreyana Lowell Ahart 2008-7-18 15107 Nevada Along the P.G.E. water ditch at the 3 1/4 mile mark, about one mile southwest of Highway 20 (by ditch), about 1/2 mile south of Bear Valley. 1744 Comment
  RSA0083212  Pyrola secunda L. Ahart 2004-8-17 11374 Nevada Along a small branch of Jackson Creek, about 3000 yards east of Jackson Lake, at the north base of English Mountain. 2059 Comment
  RSA700113  Lotus nevadensis L. Ahart 2004-7-17 11256 Nevada Very upper reaches of Steephollow Creek, about 20 yards east of Highway 20, about 150 yards southeast of the intersection of Highway 20 and Lowell Hill Road, about 2 miles northwest of Bear Valley., About 3 miles southeast of the Omega Rest area, about 16 miles (air) northeast of Nevada City. 1463 Comment
  RSA700496  Melica aristata L. Ahart 2004-7-17 11276 Nevada Very upper reaches of Steephollow Creek, about 100 yards west of Highway 20, about 150 yards south of the intersection of Highway 20 and Lowell Hill Road, about 2 miles northwest of Bear Valley., About 3 miles southeast of the Omega Rest Area, about 16 miles (air) northeast of Nevada City. 1463 Comment
  RSA700784  Bromus orcuttianus L. Ahart 2004-8-9 11369 Nevada about 200 yards south of the GPS location at Catfish Lake, about 200 yards south of Catfish Lake, about 100 yards west of Meadow Lake Road, about 1/2 mile (air) east of Jackson Lake. 1985 Comment
  RSA716565  Lotus unifoliolatus L. Ahart 2005-7-31 12219 Nevada Between the curve and below the bridge on old Highway 80, east of Donner Pass and Donner Summit. 2063 Comment
  RSA795717  Prunella vulgaris var. lanceolata L. Ahart 2012-7-28 18413 Nevada On the west side of Pioneer Trail, about 40 yards east of the PGE Pavilion and restrooms, on the east side of Bowman Lake Road, about 20 yards south of the Bear River, Bear Valley. 1434 Comment
  UCD169456  Eriogonum wrightii var. subscaposum Lowell Ahart 2004-9-29 11406 Nevada About 4 miles (air) northeast of Graniteville, about 2 miles (air) northwest of Bowman Lake, about 1 mile northwest of Weaver Lake, about 20 yards northwest of Forest Road 41. 1882 Comment
  CDA41244  Castilleja lacera L. Ahart 2002-5-28 9671 Nevada East side of Patterson Valley Road, about 25 yards north of the intersection of Patterson Valley Road and McCourtney Road, about one mile east of the intersection of Indian Springs Road and McCourtney Road, about 6 miles southwest of Grass Valley. Comment
  JEPS100492  Carex multicaulis Lowell Ahart 2000-7-28 8616 Nevada Mountain side southwest of a very small dry stream, about 300 yards southeast of Fall Creek, about 1/8 mile southeast of where Fall Creek crosses Forest Highway 18, or Bowman Lake Road, about 5 miles (air) or 8 miles by road north of Highway 20 and Bear V 1737 Comment
  SEINET10585756  Carex utriculata Lowell Ahart 2001-8-8 Ahart 9062 Nevada T19N, R13E, east of center of Section 31. By a large rock, on the south bank of Catfish Lake, about 3 miles (air) south of the spillway of Jackson Meadow Reservoir. 1890 Comment
  SEINET10588004  Carex lenticularis var. lipocarpa Lowell Ahart 2001-8-8 Ahart 9064 Nevada T19N, R13E, east of center of Section 31. By a large rock, on the south bank of Catfish Lake, about 3 miles (air) south of the spillway of Jackson Meadow Reservoir. 1890 Comment
  SEINET13709385  Plagiobothrys hispidulus Lowell William Ahart, Lowell William Ahart 2001-1 8961 Nevada Lake Van Norden, 1.5 Mi. E of Soda Springs (T17N, R14E, sec 25, NW 1/4) 6770 Ft. 2063 Comment
  SEINET13711151  Lotus purshianus Lowell William Ahart, Lowell William Ahart 2001-1 9045 Nevada Prosser Creek Reservoir, S of Commemorative Emigrant Trail, about 1/4 Mi. E Hwy. 89, about 4 Air Mi. N of Truckee (T18N, R16E, S 26, NE 1/4) 5730 Ft. 1747 Comment
  UCSC009233  Trifolium variegatum Lowell Ahart 2015-5-5 9595 Nevada South side of McCortney Road, west of the drainage, about 300 yards east of the intersection of McCortney Road and White Oak Drive, about 1/4 mile southwest of where McCortney Road crosses Rock Creek, about 2 3/4 miles (air) northeast of Camp Far West Dam. Foothill Woodland. Comment
  CAS-BOT-BC66258  Azolla mexicana Lowell Ahart 1975-3-16 s.n. Placer About 1/2 to 1/2 miles NE of intersection on Wise and McCourtney Road north of Lincoln 41 Comment
  CHSC10685  Achillea millefolium Lowell Ahart 1972-8-7 Placer French Meadows. 1524 Comment
  CHSC11070  Boechera breweri Lowell Ahart 1964-7-3 Placer On trail to Placer Queen Mine. 1676 Comment
  CHSC32011  Kelloggia galioides L. Ahart 1972-6-28 130 Placer French Meadows. 1524 Comment
  CHSC81841  Agrostis exarata Lowell Ahart 2001-10-10 9360 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about a 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  CHSC82661  Bulbostylis capillaris Lowell Ahart 2002-7-22 9908 Placer On the south side of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  CHSC82701  Eleocharis bella Lowell Ahart 2002-7-22 9909 Placer On the south side of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  CHSC82703  Muhlenbergia filiformis Lowell Ahart 2002-7-22 9905 Placer On the south side of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  JEPS103347  Castilleja tenuis Lowell Ahart 2002-7-22 9899 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  JEPS103591  Lycopus uniflorus Lowell Ahart 2002-7-22 9888 Placer On a floating log in the lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1773 Comment
  JEPS113117  Plagiobothrys fulvus Lowell Ahart, Brian Williams 2007-4-13 13636 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  CAS-BOT-BC379386  Ranunculus alismifolius var. hartwegii Lowell Ahart 1983-8-17 4338 Placer found growing on damp dark rocky soil near an open bare mountain side, south of Onion Valley, near the Quincy La Porte Road, west of Pilot PR, about 11 mi northeast of La Porte, California 2000 Comment
  JEPS102629  Pseudognaphalium luteoalbum Lowell Ahart 2001-10-10 9339 Placer 22 air mi SW of Forest Hill (French Meadows Reservoir, 1/4 mi NE of boat or trail access area on NW side, 3/4 mi SW of bridge on Middle Fork American River) 1591 Comment
  CAS-BOT-BC105589  Populus trichocarpa Lowell Ahart 1981-6-25 2881 Plumas On the north side of the bridge across Nelson Creek, of about 16 miles northeast of La Porte 1700 Comment
  CAS-BOT-BC194418  Danthonia intermedia Lowell Ahart 1977-8-2 1516 Plumas 2 miles south-west of Pilot Pk., about 15 miles north-east of La Porte 2011 Comment
  CAS-BOT-BC199688  Trisetum canescens Lowell Ahart 1980-8-27 2590 Plumas Near the Feather Fork Mine 1828 Comment
  CAS-BOT-BC227731  Elymus elymoides Lowell Ahart 1979-7-18 s.n. Plumas Ca. 1 mi. W of Pilot Pk. 1800 Comment
  CAS-BOT-BC230971  Plagiobothrys hispidulus Lowell Ahart 1985-7-11 5141 Plumas Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles NW of La Porte 1584 Comment
  CAS-BOT-BC230972  Plagiobothrys hispidulus Lowell Ahart 1985-9-26 5175 Plumas Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles NW of La Porte 1584 Comment
  CAS-BOT-BC246069  Limosella aquatica Lowell Ahart 1981-9-6 3109 Plumas 1 1/2 miles SW of Crescent Mills, Sierra Nevada 1200 Comment
  CAS-BOT-BC259363  Eriogonum lobbii Lowell Ahart 1983-8-17 4325 Plumas South of Onion Valley, near the Quincy La Porte Road, west of Pilot Pk., north-east of La Porte 2000 Comment
  CAS-BOT-BC282093  Melica fugax Lowell Ahart 1986-7-8 5346 Plumas About 1 mile NW of Pilot Peak, ca 14 miles NE of La Porte 1981 Comment
  CAS-BOT-BC282094  Melica fugax Lowell Ahart 1979-7-18 s.n. Plumas Ca 1 mile W of Pilot Peak, along and above the road. Area about 1/8 mile S of Onion Valley 1800 Comment
  CAS-BOT-BC282105  Melica fugax Lowell Ahart 1989-7-2 6342 Plumas On the NW side and near the summit of Pilot Peak, about 10 miles NE of La Porte 2255 Comment
  CAS-BOT-BC302327  Hazardia squarrosa var. squarrosa Lowell Ahart 1977-8-2 1537 Plumas Sutter Buttes Area. One mile west of Pilot Peak, which is about 15 miles north of La Porte 2000 Comment
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Oct 30 2018
  CDA10150  Artemisia douglasiana L. Ahart, J. Dittes 2005-9-2 12454 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. Comment
  CDA10773  Chrysothamnus nauseosus subsp. albicaulis L. Ahart 2002-10-19 10003 Plumas On the south side of the dirt road, about 1/4 mile east of Humboldt Road, about 1 3/4 miles (air) northeast of Humboldt Summit. Comment
  CDA23360  Chenopodium botrys L. Ahart 2006-10-23 13472 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), where the road ends, about 50 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. Comment
  CDA28134  Agrostis exarata L. Ahart 2001-8-29 9243 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. Comment
  CDA30239  Potentilla rivalis L. Ahart, J. Dittes, J Guardino 2009-7-29 16234 Plumas Below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. Comment
  CDA32019  Mentha canadensis L. Ahart, J. Dittes, J. Guardino 2009-7-29 16243 Plumas Below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. Comment
  CDA34127  Juncus confusus L. Ahart, J Guardino 2005-8-9 12265 Plumas Between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. Comment
  CDA34754  Erigeron petrophilus var. sierrensis L. Ahart 2008-9-1 15388 Plumas About 15 yards southwest of the culvert and Onion Valley Creek, on the west side of Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte. Comment
  CDA40750  Agastache urticifolia L. Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11161 Plumas On the north side of a forest road, about 1/4 mile north of Taylor Rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. Comment
  CDA43013  Juncus balticus subsp. ater L. Ahart 2008-8-13 15156 Plumas North edge of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. Comment
  CDA43018  Poa pratensis subsp. pratensis L. Ahart 2009-7-21 16105 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. Comment
  CDA5724  Calochortus nudus L. Ahart 2002-7-6 9847 Plumas About 50 yards north of the gravel road, near a small branch of Coldwater Creek, about 3/4 mile southwest of Grizzly Mountain, about 2 miles (air) southwest of Haskins Valley and Bucks Lake. Comment
  CHSC100043  Carex laeviculmis Lowell Ahart 2008-7-9 15058 Plumas Wet meadow area with a small stream, just northwest of the culvert, on the northwest side of the good logging road, north of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir. 1645 Comment
  CHSC100050  Veronica americana Lowell Ahart 2008-7-16 15083 Plumas In a small stream, in a small meadow (swamp), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  CHSC100324  Madia glomerata Lowell Ahart 2008-8-13 15167 Plumas On the west side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  CHSC100365  Lythrum portula Lowell Ahart 2008-9-10 15392 Plumas Below the high water line of Little Grass Valley Reservoir, north of the South Fork of the Feather River, southwest of the horse camp, about 4 1/2 miles (air) north of La Porte. 1537 Comment
  CHSC100368  Potentilla norvegica Lowell Ahart 2008-9-10 15395 Plumas Below the high water line of Little Grass Valley Reservoir, north of the South Fork of the Feather River, southwest of the horse camp, about 4 1/2 miles (air) north of La Porte. 1537 Comment
  CHSC100452  Athyrium filix-femina var. cyclosorum Lowell Ahart 2008-9-10 15359 Plumas East edge of East Branch Creek, on the southeast side of the Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile north east of La Porte. 1593 Comment
  CHSC100455  Stachys ajugoides var. rigida Lowell Ahart 2008-9-10 15379 Plumas On the bottom and sides of Onion Valley Creek, in the northeast part of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte. 1916 Comment
  CHSC101857  Collinsia parviflora Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15888 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area. 1421 Comment
  CHSC101941  Senecio triangularis Lowell Ahart; John Dittes 2009-7-13 16045 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CHSC101943  Piperia unalascensis Lowell Ahart; John Dittes 2009-7-13 16050 Plumas On dry soil, on the west side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CHSC101950  Elytrigia intermedia subsp. intermedia Lowell Ahart; John Dittes 2009-7-13 16040 Plumas On dry soil, on the east side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CHSC102039  Juncus ensifolius Lowell Ahart; John Dittes 2009-7-27 16188 Plumas On dry soil, about 20 yards north of the poor dirt road, on the north side of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CHSC102060  Piperia unalascensis Lowell Ahart; John Dittes 2009-7-15 16088 Plumas On dry rocky soil, open forest, on the northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam. 1702 Comment
  CHSC102084  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart; John Dittes 2009-7-13 16048 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CHSC102117  Perideridia lemmonii Lowell Ahart; John Dittes 2009-7-28 16203 Plumas On damp soil, on the northwest side of a logging road, seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam. 1581 Comment
  CHSC102137  Medicago lupulina Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16233 Plumas On dry to damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC102146  Potentilla norvegica Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16234 Plumas On dry to damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC102380  Poa bolanderi Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16133 Plumas On the east side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CHSC102703  Barbarea orthoceras Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16158 Plumas Bottom of a small wash, on the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CHSC102751  Eleocharis bella Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16153 Plumas Meadow on the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CHSC105679  Sceptridium multifidum Lowell Ahart 2010-10-21 17310 Plumas On the east edge of Fowler Lake, about 3/8 mile south of the dirt road, about 2 miles (air) north of where Black Rock Creek flows into Little Grass Valley Reservoir, about 6 miles (air) north-northwest of La Porte. 1662 Comment
  CHSC10574  Silene lemmonii Lowell Ahart 1968-6-29 Plumas Near La Porte. 1371 Comment
  CHSC10630  Draba verna Lowell Ahart 1969-5-11 Plumas Near Beckwourth, Sierra Valley. 1219 Comment
  CHSC10632  Lithophragma tenellum Lowell Ahart 1969-5-11 Plumas Near Beckwourth, Sierra Valley. 1219 Comment
  CHSC108087  Carex jonesii Lowell Ahart 2011-9-17 17659 Plumas On the north side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 30 yards west of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  CHSC108457  Silene invisa Lowell Ahart 2011-9-20 17683 Plumas Open area along a very small stream, on the north side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2072 Comment
  CHSC112611  Asyneuma prenanthoides Lowell Ahart 2013-9-11 19034 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  CHSC112613  Saponaria officinalis Lowell Ahart 2013-9-11 19030 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  CHSC113587  Chenopodium hians Lowell Ahart 2014-8-24 19747 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC113609  Agrostis exarata Lowell Ahart 2014-8-26 19795 Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC113629  Mimulus breweri Lowell Ahart 2014-8-31 19824 Plumas Mud flats along Black Rock Creek, about 250 yards southwest of the foot bridge across Black Rock Creek, about 250 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  CHSC113867  Leontodon saxatilis subsp. longirostris Lowell Ahart 2014-8-26 19775 Plumas In the center of the South Fork of the Feather River, Little Grass Valley Resrvoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC113892  Epilobium canum subsp. latifolium Lowell Ahart 2014-8-24 19755 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC113895  Juncus tenuis Lowell Ahart 2014-8-26 19789 Plumas On the south side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC113898  Artemisia douglasiana Lowell Ahart 2014-8-26 19787 -B Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC30852  Athyrium filix-femina var. cyclosorum L. Ahart 1980-9-17 2653 Plumas Ca. 0.5 mi w of Fowler Peak. 487 Comment
  CHSC32013  Trifolium cyathiferum L. Ahart 1974-6-30 563 Plumas In logged area, 0.5 mi below Bunker Hill Mine, ca. 12 mi ne of La Porte. 1676 Comment
  CHSC32020  Luzula divaricata L. Ahart 1974-10-1 647 Plumas N of Pilot Peak on w part of Buzzards Roost Ridge, ca. 1 mi n of Onion Valley, ca. 10 mi n of La Porte. 1981 Comment
  CHSC32025  Arenaria kingii var. glabrescens L. Ahart 1975-7-9 866 Plumas Ca. 1 mi w of Pilot Peak. 1981 Comment
  CHSC32873  Juncus effusus subsp. pacificus L. Ahart 1980-10-6 2665 Plumas On the s shore of the lake ca. 0.5 mi w of Fowler Peak, ca. 2 mi n of Little Grass Valley Reserv. 1700 Comment
  CHSC32880  Juncus ensifolius L. Ahart 1980-9-17 2656 Plumas On the ne side of the small lake about 0.5 mi w of Fowler Peak. 1600 Comment
  CHSC34328  Salsola tragus L. Ahart 1981-9-6 3091 Plumas On broken rock along the RR on a sandbar along Indian Creek, ca. 1/2 mi sw of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  CHSC39352  Dicentra uniflora Lowell Ahart 1983-6-28 4169 Plumas Near the Feather Fork Mine. On the high banks of the South Fork of the Feather River and a little south-west of the Feather Fork mine, on the west side of the river, about 1 1/2 miles north-east of Little Grass Valley Reservoir, about 5 1/2 miles north of La Porte. Section 14. 1750 Comment
  CHSC40265  Eleocharis bella Lowell Ahart 1985-7-11 5137 Plumas Below the high water line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte. 1584 Comment
  CHSC40267  Gayophytum humile Lowell Ahart 1985-7-11 5142 Plumas Below the high water line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte. 1584 Comment
  CHSC40441  Rorippa curvisiliqua Lowell Ahart 1985-7-11 5127 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. 1584 Comment
  CHSC42021  Goodyera oblongifolia Lowell Ahart 1986-7-25 5376 Plumas About 1 1/2 miles west of Sawmill Flat, about 4 1/2 miles west of Finger Board, about 7 miles north-west of Pilot Peak. 1767 Comment
  CHSC42023  Boechera suffrutescens Lowell Ahart 1986-7-15 5365 Plumas Along a water ditch, south of the South Fork of the Feather River, about 1 mile south-west of Pilot Peak, about 1 1/4 mile north-east of the Independent Mine, about 10 miles north-east of La Porte. 1828 Comment
  CHSC43234  Agrostis exarata Lowell Ahart 1987-9-22 5891 Plumas Along the South Fork of the Feather River, about 1 mile east of the Feather Fork Mine, about 8 miles north-east of La Porte. 1706 Comment
  CHSC43340  Linnaea borealis var. longiflora Lowell Ahart 1975-7-2 839 Plumas About 7 miles north of the Sly Creek Dam. 914 Comment
  CHSC43347  Nemophila parviflora var. austiniae Lowell Ahart 1975-7-20 907 Plumas Near Bunker Hill Creek, about 1 mile north of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 Comment
  CHSC44546  Bromus carinatus var. marginatus Lowell Ahart 1978-7-29 1793 Plumas About 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  CHSC44846  Artemisia tridentata Lowell Ahart 1974-10-1 652 Plumas On the west part of the Buzzards Roost Ridge, about 1 mile north of Onion Valley, north of Pilot Peak. 1981 Comment
  CHSC44880  Madia glomerata Lowell Ahart 1977-8-8 1541 Plumas Along the edges of the dirt road to Bird Creek, about 4 air miles west of Pilot Peak, about 15 miles north of La Porte. 1645 Comment
  CHSC45519  Pyrola picta Lowell Ahart 1975-7-20 920 Plumas West of Bunker Hill Creek, about 1 mile north of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 Comment
  CHSC45843  Phacelia mutabilis Lowell Ahart 1979-7-18 1977 Plumas Along the banks of Onion Valley Creek, Onion Valley, just east of Quincy La Porte Road before it crosses the creek, about 1 mile west of Pilot Peak, about 12 miles north-east of La Porte. 1645 Comment
  CHSC45854  Eriogonum vimineum Lowell Ahart 1981-7-18 2935 Plumas Growing on a steep gravelly roadcut, on the north side of Caribou Road, about 2 miles north of Belden. 1097 Comment
  CHSC46542  Platanthera sparsiflora Lowell Ahart 1976-6-18 1142 Plumas Along Bunker Hill Creek, about 1/4 mile south-east of the Bunker Hill Mine, about 10 miles north-east of La Porte. 1828 Comment
  CHSC46545  Spiranthes porrifolia Lowell Ahart 1979-8-16 2013 Plumas 300 feet east of Ohio Ravine, about 2 1/4 miles south of Grizzly Mountain. 1645 Comment
  CHSC46648  Leptosiphon ciliatus Lowell Ahart 1989-7-7 6370 Plumas West of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  CHSC46652  Chimaphila menziesii Lowell Ahart 1989-7-7 6367 Plumas East of Bunker Hill Creek, about 1/2 mile north-east of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  CHSC46655  Amelanchier pallida Lowell Ahart 1989-7-2 6338 Plumas On the north side and near the summit of Pilot Peak, about 10 miles north-east of La Porte. 2255 Comment
  CHSC46657  Ribes nevadense Lowell Ahart 1989-7-2 6343 Plumas On broken rocks, near low cliffs, on the north-west side and near the summit of Pilot Peak, about 10 miles north-east of La Porte. 2255 Comment
  CHSC63119  Cryptantha simulans Lowell Ahart 1994-7-7 7460 Plumas Plumas/Sierra Counties. On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. 2011 Comment
  CHSC63141  Astragalus bolanderi Lowell Ahart 1994-6-29 7420 Plumas East of Frenchman Hill, east of Oroville Quincy Highway, south-west of Bucks Lake. 1828 Comment
  CHSC63154  Collomia grandiflora Lowell Ahart 1994-7-7 7461 Plumas Plumas and Sierra Counties. On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. 2011 Comment
  CHSC63279  Pedicularis semibarbata Lowell Ahart 1994-6-15 7339 Plumas About 200 yards east of a logging road, near the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) west of Little Grass Valley Reservoir. 1767 Comment
  CHSC63478  Orthocarpus cuspidatus subsp. cryptanthus Lowell Ahart 1994-7-20 7485 Plumas Label also says: Sierra County. On both sides of the Pacific Crest Trail, on Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. 1981 Comment
  CHSC63484  Carex straminiformis Lowell Ahart 1994-7-20 7480 Plumas North of the Pacific Crest Trail, on the north side of Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. 1981 Comment
  CHSC65330  Plagiobothrys hispidulus Lowell Ahart 1995-10-1 7645 Plumas On the bottom of the pond (reservoir dam washed out), Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. Meadow. 1828 Comment
  CHSC65337  Trifolium cyathiferum Lowell Ahart 1995-10-1 7644 Plumas On the bottom of the drying pond, (reservoir dam washed out), Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  CHSC65382  Potentilla bruceae Lowell Ahart 1995-9-13 7636 Plumas On the north-west side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. Meadow. 1828 Comment
  CHSC65387  Juncus bufonius var. occidentalis Lowell Ahart 1995-9-13 7627 Plumas On the north side of Onion Valley, east of Quincy La Porte Road, about 1 mile north-west of Pilot Peak. 1828 Comment
  CHSC75754  Galium grayanum var. grayanum Lowell Ahart; Vernon H. Oswald 1999-7-15 8093 Plumas About 50 yards east of the Quincy La Porte Road, about 3/4 mile south of Onion Valley, about 1 mile northwest of Pilot Peak, about 9 miles (air) northeast of La Porte. 1828 Comment
  CHSC78178  Carex mendocinensis Lowell Ahart 2000-5-21 8381 Plumas Near a small stream, on the west side of Caribou Road, about 4 miles (air) northeast of Belden. 853 Comment
  CHSC80689  Salix lasiolepis var. lasiolepis Lowell Ahart 2001-6-4 8756 Plumas Overflow area on the north side of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1594 Comment
  CHSC81131  Epilobium brachycarpum Lowell Ahart 2001-8-29 9254 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CHSC81133  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2001-8-29 9242 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CHSC81170  Eleocharis acicularis var. occidentalis Lowell Ahart 2001-9-24 9195 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  CHSC81172  Eleocharis engelmannii Lowell Ahart 2001-9-24 9197 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  CHSC81175  Agrostis stolonifera Lowell Ahart 2001-8-28 9192 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, on the west side of the poor dirt road, about 3/4 mile northeast of Chester. 1371 Comment
  CHSC81181  Alopecurus aequalis Lowell Ahart 2001-8-28 9188 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  CHSC81601  Artemisia dracunculus Lowell Ahart 2001-10-8 9328 Plumas On the west side of Indian Creek, about 400 yards south of Arlington Road, about 150 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  CHSC81603  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart 2001-10-8 9315 Plumas On the south side of Boulder Creek, below or near the high water line of Antelope Lake, about 24 miles (air) northeast of Quincy. 1524 Comment
  CHSC81804  Ludwigia palustris Lowell Ahart 2001-10-16 9372 Plumas On the northwest side of Round Valley Reservoir, just below the road, about 2 1/2 miles southwest of Greenville. 1363 Comment
  CHSC81843  Crypsis alopecuroides Lowell Ahart 2001-10-16 9377 Plumas On the northwest side of Round Valley Reservoir, just below the road, about 2 1/2 miles southwest of Greenville. 1363 Comment
  CHSC82492  Diplacus torreyi Lowell Ahart 2002-6-26 9766 Plumas On the east side of the poor road, about 1 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1760 Comment
  CHSC82495  Sanicula graveolens Lowell Ahart 2002-6-26 9758 Plumas On the southwest side of a gravel road, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1741 Comment
  CHSC82497  Lupinus lepidus var. sellulus Lowell Ahart 2002-6-26 9780 Plumas On the east side of the poor road, about 1/2 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1796 Comment
  CHSC82513  Penstemon roezlii Lowell Ahart 2002-6-26 9775 Plumas On the east side of the poor road, about 1/2 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1796 Comment
  CHSC82564  Eriogonum spergulinum var. reddingianum Lowell Ahart 2002-7-18 9860 Plumas In a meadow, about 1/8 mile north of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1764 Comment
  CHSC84356  Adiantum aleuticum Lowell Ahart 2003-8-13 10504 A Plumas On the south side of Hopkins Creek, about 30 yards south of where Hopkins Creek forks, about 1/8 mile south of Turkey Town, about 1 mile (air) southwest of Blue Nose Mountain, about 10 1/2 miles (air) northeast of La Porte. 1524 Comment
  CHSC84374  Trifolium obtusiflorum Lowell Ahart 2003-9-7 10555 Plumas Seep and spring on the north side of the road, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 3 1/2 miles (air) northwest of Tamarack Flat, about 6 miles (air) northwest of Little Grass Valley Reservoir Dam. 1524 Comment
  CHSC84460  Gayophytum diffusum subsp. parviflorum Lowell Ahart; John Dittes 2003-8-8 10487 Plumas On an old abandoned road, on the east side of Beckwourth Calpine Road, about 3 miles south of Beckwourth, Sierra Valley. 1482 Comment
  CHSC84994  Cystopteris fragilis Lowell Ahart 2003-10-17 10652 Plumas Cliffs north of Humboldt Peak, on the south side of the Pacific Crest Trail, about 1/2 mile east of Humboldt Summit, about 8 miles (air) northeast of Butte Meadows. 2042 Comment
  CHSC87989  Poa bolanderi Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11155 Plumas On the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
  CHSC91941  Madia glomerata Lowell Ahart; Josephine Guardino 2005-8-9 12262 Plumas In a small meadow and near a small drainage, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1635 Comment
  CHSC91943  Bromus suksdorfii Lowell Ahart; Josephine Guardino 2005-8-9 12259 Plumas In a small meadow, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1635 Comment
  CHSC92126  Pteridium aquilinum var. pubescens Lowell Ahart; John Dittes 2005-9-19 12404 Plumas Along the sides of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1989 Comment
  CHSC92139  Salix lucida subsp. lasiandra Lowell Ahart; John Dittes 2005-9-19 12369 Plumas On the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2076 Comment
  CHSC92822  Festuca pratensis Lowell Ahart; Josephine Guardino 2005-8-9 12293 Plumas On the bottom of Fant Creek, about 150 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  CHSC92827  Elytrigia intermedia subsp. intermedia Lowell Ahart; Josephine Guardino 2005-8-10 12310 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1821 Comment
  CHSC94204  Navarretia intertexta subsp. intertexta Lowell Ahart 2006-7-9 12927 Plumas Near a small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1678 Comment
  CHSC94660  Ludwigia palustris Lowell Ahart 2006-10-8 13415 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden. 715 Comment
  CHSC94662  Crassula aquatica Lowell Ahart 2006-10-8 13414 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden. 715 Comment
  CHSC94665  Dysphania botrys Lowell Ahart 2006-10-8 13412 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden. 715 Comment
  CHSC94667  Dysphania pumilio Lowell Ahart 2006-10-8 13413 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden. 715 Comment
  CHSC95008  Erythranthe guttata Lowell Ahart 2006-10-23 13484 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CHSC97058  Juncus bufonius var. bufonius Lowell Ahart; Josephine Guardino 2007-7-20 14338 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  CHSC97113  Navarretia intertexta subsp. propinqua Lowell Ahart; Josephine Guardino 2007-7-20 14349 Plumas Strand of Lake Davis, about 100 yards southeast of Long Point, northeast side of Lake Davis. 1763 Comment
  CHSC97149  Viola purpurea subsp. dimorpha Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14021 Plumas East side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  CHSC97164  Potentilla rivalis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14034 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis. 1763 Comment
  CHSC97198  Microsteris gracilis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13997 Plumas East side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  CHSC97271  Juncus nevadensis var. nevadensis Lowell Ahart; John Dittes 2007-8-9 14440 Plumas About 80 yards north of the road, on the north slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  CHSC97273  Silene douglasii var. douglasii Lowell Ahart; John Dittes 2007-8-9 14434 Plumas About 50 yards west of the poor road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  CHSC97280  Cordylanthus tenuis subsp. tenuis Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14468 Plumas About 60 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis. 1761 Comment
  CHSC97282  Artemisia tridentata subsp. tridentata Lowell Ahart; John Dittes 2007-8-9 14435 Plumas About 30 yards west of the poor road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  CHSC97285  Juncus nevadensis var. nevadensis Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14482 Plumas About 10 yards southwest of Beckwourth Gensee Road, about 2 miles (air) north of the north end of Lake Davis. 1773 Comment
  CHSC97287  Achnatherum occidentale subsp. californicum Lowell Ahart; John Dittes 2007-8-9 14449 Plumas About 100 yards east of the poor dirt road, about 1/2 mile south of Mount Ingalls, about 5 1/2 miles (air) northwest of the north end of Lake Davis. 2493 Comment
  CHSC97526  Antennaria dimorpha Lowell Ahart; John Dittes 2007-6-17 14154 Plumas On a low rocky open hill, about 20 yards southwest of Red Clover Creek, about 20 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  CHSC97539  Chamaesaracha nana Lowell Ahart; John Dittes 2007-6-16 14135 Plumas West of a small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 10 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CHSC99797  Eriogonum umbellatum var. modocense Lowell Ahart 2008-8-13 15192 Plumas On and around rocks. about 100 yards north of Kenzie Ravine and the road, about 1/2 mile east of Little Grass Valley Reservoir, about 4 miles (air) northeast of La Porte. 1598 Comment
  CHSC99804  Cuscuta californica var. breviflora Lowell Ahart 2008-8-13 15190 Plumas On the north side of Kenzie Ravine, on the east side of the road, about 1/2 mile east of Little Glass Valley Reservoir, about 4 miles (air) northeast of La Porte. 1598 Comment
  HSC100761  Trifolium breweri Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16128 Plumas E side of F.S. Rd. 27N92K, E side of Long Valley, 3.5 (air) mi. WSW of Greenville, 5.2 (air) mi. SE of Lake Almanor Dam. 1607 Comment
  HSC100795  Plagiobothrys cusickii Lowell Ahart 2008-9-10 15394 Plumas Below the high water line of Little Grass Valley Revervoir, N of the South Fork of the Feather River, SW of the horse camp, 4.5 (air) mi. N of La Porte. 1538 Comment
  HSC102789  Rosa gymnocarpa L. Ahart, John Dittes 2009-7-15 16078 Plumas About 2.8 air miles SE of Butt Valley Reservoir Dam, NE of Forest Service Rd. 26N67, south side of FS Road 26N671 1703 Comment
  HSC97066  Poa palustris L. Ahart 2005-9-19 12371 Plumas E side of Taylor Lake, about 6 air mi. SW of Antelope Lake. 2077 Comment
  JEPS102457  Eleocharis quinqueflora Lowell Ahart and Vernon H. Oswald 2001-7-11 8889 Plumas Meadow, on the east side of the dirt road, about 1/4 mile NW of Hauns Meadow and Hauns Creek, about 3 miles (air) east of Lake Almanor, about 5 miles (air) NW of Greenville. 1447 Comment
  JEPS102477  Conyza canadensis Lowell Ahart 2001-10-8 9319 Plumas On the north side of Indian Creek, below or near the highwater line of Antelope Lake, about 24 miles (air) NE of Quincy. 1524 Comment
  JEPS102526  Rosa woodsii subsp. ultramontana Lowell Ahart 2001-8-28 9202 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  JEPS102587  Erigeron inornatus var. inornatus Lowell Ahart 2001-7-17 8924 Plumas Outcrops, on the SE side of a logging road, SE of a small branch of Butt Creek, about 2 1/2 miles (air) north of Humboldt Summit. 1828 Comment
  JEPS102609  Rumex maritimus Lowell Ahart 2001-10-16 9374 Plumas On the SW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1363 Comment
  JEPS102644  Plantago major Lowell Ahart 2001-8-28 9207 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  JEPS102679  Carex athrostachya Lowell Ahart 2001-8-28 9194 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  JEPS102791  Salix lasiandra var. lasiandra Lowell Ahart 2001-6-4 8754 Plumas On the north side of the South Fork of the Feather River, about 1/4 mile NE of the Feather Fork mine, about 2 miles NE of Little Grass Valley Reservoir, about 6 miles (air) NE of La Porte. 1615 Comment
  JEPS103269  Calochortus nudus Lowell Ahart 2002-7-6 9847 Plumas In small meadows, about 50 yards north of the gravel road, near a small branch of Coldwater Creek, about 3/4 mile SW of Grizzly Mountain, about 2 miles (air) SW of Haskins Valley and Bucks Lake. 1844 Comment
  JEPS103316  Trifolium longipes var. nevadense Lowell Ahart 2002-7-2 9821 Plumas On the bottom of the water holding pond, ca 150 yards N of Forest Road 22N94, on Hartman Bar Ridge, ca 1 mile (air) SW of Franklin Hill, ca 4 1/2 miles (air) NW of Tamarack Flat, ca 9 miles (air) NW of La Porte. 1597 Comment
  JEPS103593  Stellaria umbellata Lowell Ahart 2002-6-26 9757 Plumas In a meadow, on the SW side of a gravel road, ca 2 miles (air) NW of Little Grass Valley Reservoir dam, ca 5 miles (air) NW of La Porte. 1741 Comment
  JEPS104116  Kelloggia galioides Lowell Ahart 2003-9-7 10560 Plumas On the e side of the dirt road, ca 50 yd se of the Pacific Crest Trail, on Bunker Hill Ridge, ca 1 mi (air) se of Pilot Peak, ca 9 mi (air) ne of La Porte. 2038 Comment
  JEPS105976  Calochortus coeruleus Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11003 Plumas On the west side of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy 1517 Comment
  JEPS106024  Cryptantha affinis Lowell Ahart, Josephine Guardino 2004-5-24 10942 Plumas About 300 yards south of a good dirt forest road, about 1/2 mile west of Squirrel Creek, about 1/10 mile north of the railroad, Greenhorn Creek, and Highway 70, about 7 miles (air) southeast of Quincy 1204 Comment
  JEPS106226  Pseudostellaria sierrae Lowell Ahart, John Dittes, Josephine Guardino 2004-5-16 10913 Plumas On the east side of Forest Road 25N10, about 2 miles (air) west of Grizzly Peak, about 8 miles (air) northeast of Quincy 1804 Comment
  JEPS106320  Melica fugax Lowell Ahart, John Dittes, Josephine Guardino 2004-6-6 11008 Plumas Near a very small flat drainage, on the east side of the logging road, about 3 miles (air) south of Lower Taylor Rock, about 7 miles (air) northeast of Quincy 1344 Comment
  JEPS106341  Festuca subulata Lowell Ahart 2004-7-27 11315 Plumas Along Hopkins Creek, about 200 yards north of the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte 1645 Comment
  JEPS106385  Carex subfusca Lowell Ahart 2004-7-27 11313 Plumas At the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte 1645 Comment
  JEPS107546  Arceuthobium abietinum Lowell Ahart, John Dittes 2005-9-19 12412 Plumas Along the east side of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1998 Comment
  JEPS107624  Carex integra Lowell Ahart, Josephine Guardino 2005-8-9 12271 Plumas In a small drainage that runs into Fant Creek, west of the meadow, about 250 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  JEPS107697  Salix lasiandra var. lasiandra Lowell Ahart, John Dittes 2005-9-20 12453 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 1984 Comment
  JEPS108738  Navarretia intertexta subsp. intertexta Lowell Ahart 2006-7-9 12927 Plumas Near a small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir 1678 Comment
  JEPS108987  Heterotheca oregona var. rudis Lowell Ahart 2006-10-8 13390 Plumas On the north side of the North Fork of the Feather River, on the south side of Highway 70, about 1/8 mile southwest of Chambers Creek 622 Comment
  JEPS113372  Senecio integerrimus var. exaltatus Lowell Ahart, John Dittes, Josephine Guardino 2007-6-9 14042 Plumas 50 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1857 Comment
  JEPS113380  Phacelia mutabilis Lowell Ahart, John Dittes, Josephine Guardino 2007-6-9 14044 Plumas East side of an open rocky flat, under pine trees, about 150 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  JEPS113449  Crepis occidentalis subsp. occidentalis Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13986 Plumas East side of an open rocky flat, 30 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  JEPS113462  Navarretia divaricata subsp. divaricata Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14015 Plumas East side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  JEPS113519  Antennaria luzuloides Lowell Ahart, John Dittes 2007-6-16 14138 Plumas On dry bare soil, 100 yards east of the small stream, on the south side of of County Road 111 (Beckwourth Gensee Road), 120 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  JEPS113539  Dieteria canescens var. canescens Lowell Ahart, Josephine Guardino 2007-7-21 14379 Plumas Around pine trees, about 100 yards northeast of the bridge, about 80 yards east of the intersection, on the north side of the Beckwourth Taylorsville Road, about 2 1/2 miles (air) northwest of the most northwest part of Lake Davis 1793 Comment
  JEPS113560  Senecio aronicoides Lowell Ahart, John Dittes 2007-6-17 14208 Plumas High west bank of Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  JEPS113584  Lupinus argenteus var. meionanthus Lowell Ahart, Josephine Guardino 2007-7-20 14353 Plumas Dry ridge, on the southwest side of Lake Davis Road, Charles Valley, about 1 1/4 miles northwest of Portola 1518 Comment
  JEPS113596  Madia gracilis Lowell Ahart, Josephine Guardino 2007-7-20 14313 Plumas North of a small drainage, northeast edge of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis 1789 Comment
  JEPS113616  Chaenactis douglasii var. douglasii Lowell Ahart, John Dittes 2007-6-16 14118 Plumas West of a smalll stream, on the south side of County Road 111 (Beckwourth Genesee Road), 10 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  JEPS113647  Poa cusickii subsp. cusickii Lowell Ahart, John Dittes 2007-6-16 14112 Plumas On dry soil, east of a small stream, on the south side of of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  JEPS113703  Lemna minuta Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14480 A Plumas About 30 yards southwest of Beckwourth Gensee Road, about 2 miles (air) north of the north end of Lake Davis 1773 Comment
  JEPS113732  Carex subfusca Lowell Ahart, John Dittes 2007-6-17 14192 Plumas Along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  JEPS113735  Muhlenbergia richardsonis Lowell Ahart, John Dittes 2007-6-17 14201 Plumas along Red Clover Creek, about 30 yds E of County Road 111 (Beckwourth Gensee Road), about 1/4 mi E of bridge across Red Clover Creek, Red Clover Valley, about 2 mi (air) N of the N end of Lake Davis 1654 Comment
  JEPS113738  Achnatherum nevadense Lowell Ahart, John Dittes 2007-6-17 14156 Plumas On dry bare rocky soil, on a low rocky open hill, about 20 yards southwest of Red Clover Creek, about 20 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) 1654 Comment
  JEPS113740  Potentilla biennis Lowell Ahart, John Dittes 2007-6-17 14181 Plumas Along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  JEPS113802  Poa compressa Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14030 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis 1763 Comment
  JEPS113813  Arenaria kingii var. glabrescens Lowell Ahart, John Dittes 2007-8-9 14437 Plumas About 20 yards north of the road, on the north slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis 2551 Comment
  JEPS113822  Osmorhiza chilensis Lowell Ahart, Josephine Guardino 2007-7-21 14373 Plumas Around pine trees, near a small dry drainage, about 20 yards south of the Beckwourth Taylorsville Road, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis 1813 Comment
  JEPS113825  Carex subfusca Lowell Ahart, Josephine Guardino 2007-7-21 14356 Plumas Near a spring, open dry flat, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis 1787 Comment
  JEPS113828  Myriophyllum sibiricum Lowell Ahart, John Dittes 2007-6-17 14164 Plumas In Red Clover Creek, about 50 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  JEPS113875  Juncus balticus subsp. ater Lowell Ahart, Josephine Guardino 2007-7-20 14331 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  JEPS114817  Carex lenticularis var. impressa Lowell Ahart 2008-8-14 15204 Plumas Wet meadow area with a small stream, just northwest of the culvert, on the northwest side of the good logging road (Forest Road 22N68), west of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast 1600 Comment
  JEPS114945  Athyrium filix-femina Lowell Ahart 2008-8-13 15189 Plumas On the bottom of Kenzie Ravine, on the east side of the road, about 1/2 mile east of Little Grass Valley Reservoir, about 4 miles (air) northeast of La Porte 1598 Comment
  JEPS115093  Chimaphila umbellata Lowell Ahart, John Dittes 2009-7-14 16066 Plumas On dry soil, on the both sides of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam 1677 Comment
  JEPS115100  Lotus corniculatus Lowell Ahart, John Dittes 2009-7-14 16077 Plumas Scraped clearing on the east side of Forest Service Road 26N22 and Forest Service Road 26N221, about 2.6 miles (air) southeast of Seneca, about 6 1/2 miles (air) south of Lake Almanor Reservoir Dam 1607 Comment
  JEPS115120  Salix exigua Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16222 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam 1591 Comment
  JEPS115170  Salix scouleriana Lowell Ahart, John Dittes 2009-7-15 16079 Plumas On dry rocky soil, along a small wash, on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam 1702 Comment
  JEPS115230  Crepis acuminata Lowell Ahart, John Dittes 2009-7-15 16098 Plumas On dry rocky soil, east of the power line, on the south side of Forest Sevice Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1517 Comment
  JEPS115706  Plagiobothrys hispidulus Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16150 Plumas Meadow on the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam 1606 Comment
  JEPS115787  Mentzelia dispersa Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15876 Plumas About 1600 feet southwest of Lake Almanor Dam 1386 Comment
  JEPS115899  Festuca rubra Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16124 Plumas Edge of a meadow or seep, about 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor 1302 Comment
  JEPS115901  Poa pratensis subsp. pratensis Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16105 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor 1302 Comment
  JEPS115903  Poa bolanderi Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16133 Plumas On the east side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam 1606 Comment
  JEPS115921  Carex specifica Lowell Ahart, John Dittes, Josephine Guardino 2009-7-29 16207 Plumas On dry rocky soil, drainage from a snow lake, on the south side of Forest Road 26N67F3, 1.2 miles (air) northeast of Rush Creek Hill, 2.6 miles (air) east-southeast of Caribou Powerhouse 1677 Comment
  JEPS115932  Melica aristata Lowell Ahart, John Dittes 2009-7-14 16064 Plumas On dry soil, on the north side of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam 1677 Comment
  JEPS115940  Trisetum canescens Lowell Ahart, John Dittes 2009-7-13 16039 Plumas On dry soil, on the west side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  JEPS115951  Melica fugax Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15905 Plumas About 200 yards west of Lake Almanor Dam, on the north side of the road under the pole line 1421 Comment
  JEPS116105  Listera convallarioides Lowell Ahart, John Dittes 2009-7-28 16196 Plumas On wet soil and humus, seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam 1581 Comment
  JEPS119932  Erigeron petrophilus var. sierrensis Lowell Ahart 2012-9-5 18442 Plumas About 400 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. Comment
  JEPS119951  Lactuca serriola Lowell Ahart 2012-9-5 18449 Plumas Road edge, where the County Road crosses the South Fork of the Feather River, about 1 mile (air) southwest of Pilot Peak, about 8 1/24 miles (air) northwest of La Porte. Comment
  JEPS122092  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2014-8-24 19756 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  JEPS122110  Hosackia oblongifolia var. oblongifolia Lowell Ahart 2014-8-24 19749 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  JEPS122169  Muhlenbergia richardsonis Lowell Ahart 2014-8-26 19793 Plumas On both sides of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  JEPS122181  Hypericum anagalloides Lowell Ahart 2014-8-26 19782 Plumas On the both sides of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  JEPS122183  Calyptridium monospermum Lowell Ahart 2014-8-26 19781 Plumas On the north side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  JEPS122241  Conyza canadensis Lowell Ahart 2014-9-9 19835 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  JEPS122243  Lactuca serriola Lowell Ahart 2014-9-9 19861 Plumas On the west side of Sly Creek Reservoir, about 9 miles (air) southwest of La Porte. Comment
  JEPS122285  Juncus ensifolius Lowell Ahart 2014-8-24 19734 Plumas About one mile north of the bridge across the South Fork of the Feather River and the northeast part of Little Grass Valley Reservoir, about 5 miles (air) north of La Porte. Comment
  JEPS122306  Muhlenbergia filiformis Lowell Ahart 2014-8-31 19807 Plumas On the east side of Black Rock Creek, about 300 yards south of the foot bridge across Black Rock Creek, about 300 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  JEPS122326  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2014-9-9 19849 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  JEPS123944  Castilleja applegatei subsp. pinetorum Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20415 Plumas Next to Forest Service Road 29N18, 2.68 air miles northeast of Morgan Mt., 3.94 air miles west-southwest of Sifford Mt., 6.85 air miles south-southeast of Lassen Peak. Comment
  JEPS123959  Plagiobothrys hispidulus Lowell Ahart 2015-7-4 20281 Plumas About 1/2 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  JEPS124000  Allophyllum integrifolium Lowell Ahart 2015-7-4 20285 Plumas About 1/2 mile north of the intersection of Lumpkin Ridge Road and road to Little Grass Valley Reservoir, about 1 1/2 miles (air) north of Little Grass Valley Reservoir Dam. Comment
  JEPS124292  Polystichum imbricans subsp. curtum Lowell Ahart 2015-10-23 20577 Plumas About 100 yards northwest of the intake building, about 2 1/4 miles (air) northeast of La Porte Road, about 6 miles (air) southwest of La Porte. Comment
  JEPS124405  Carex jonesii Lowell Ahart 2015-7-4 20277 Plumas About 1/2 mile west of the of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  JEPS127122  Eurybia integrifolia Lowell Ahart 2016-8-30 21321 Plumas About 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. Comment
  JEPS127337  Brickellia greenei Lowell Ahart 2016-7-9 21091 Plumas About 2 miles (air) northwest of of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  JEPS87535  Erigeron lassenianus var. deficiens Lowell Ahart 1993-9-24 7267 Plumas about 3 mi nw Pilot Peak (w side of Cleghorn Bar Road); Monitor Flat 1828 Comment
  JEPS87573  Dicentra pauciflora Lowell Ahart 1994-6-29 7416 Plumas about 0.5 mi s Bucks Lake (on poor logging road) 1828 Comment
  JEPS87766  Sanicula tuberosa Lowell Ahart 1994-6-12 7315 Plumas about 1 1/4 air mi s Bucks Lake (sw of small branch of Willow Creek, near Cedar Flat, on w side of Faggs Mine Road); s of Bucks Lake, sw of branch Willow Creek, Faggs Mine Road 1706 Comment
  JEPS87830  Eriogonum marifolium Lowell Ahart 1994-7-20 7477 Plumas n side of ridge about 1/2 mi nw Mount Etna (open area n of Pacific Crest Trail); Bunker Hill Ridge 1981 Comment
  JEPS94444  Ericameria nauseosa var. speciosa Lowell Ahart 1997-8-19 7872 Plumas about 14 air mi ne of Feather Falls (on e side of Lumpkin Ridge Road, about 7 1/2 mi e of Camp 18); Lumpkin Ridge Road 1402 Comment
  JEPS95360  Carex fracta Lowell Ahart 1994-6-17 7349 Plumas E side of Sly Creek, 1 mi N of Schwartz Meadow, 1 mi E of Sly Creek Reservoir 1097 Comment
  JEPS95362  Arenaria kingii var. glabrescens Lowell Ahart 1994-6-29 7413 Plumas about 1/2 mi S of Bucks Lake (W of a poor logging road) 1828 Comment
  JEPS95367  Penstemon speciosus Lowell Ahart 1994-7-7 7472 Plumas N side of Pacific Crest Trail, 1 mi W of Pilot Peak, about 1/4 mi E of Quincy--La Porte Road 1950 Comment
  JEPS95835  Quercus vacciniifolia Lowell Ahart 1999-7-15 8095 Plumas about 100 yards east of the Quincy La Porte Road; about 3/4 mile south of Onion Valley; about 1 mile northwest of Pilot Peak; about 9 miles (air) northeast of La Porte 1828 Comment
  RSA0039542  Perideridia lemmonii Lowell A. Ahart 2008-8-13 15168 Plumas East of La Porte Road, east bank of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about 1 mile northeast of La Porte. 1613 Comment
  RSA0039545  Monardella odoratissima subsp. pallida Lowell A. Ahart 2008-8-13 15175 Plumas On the west side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about 1 mile northeast of La Porte. 1613 Comment
  RSA0118745  Juncus ensifolius Lowell Ahart 2014-8-24 19734 Plumas On the west side of the dirt road, about one mile north of the bridge across the South Fork of the Feather River and the northeast part of Little Grass Valley Reservoir, about 5 miles (air) north of La Porte. 1563 Comment
  RSA0118927  Lythrum portula Lowell Ahart 2014-8-24 19739 Plumas South side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles, (air) north of La Porte. 1533 Comment
  RSA699707  Poa bolanderi L. Ahart, John Dittes, Josephine Guardino, Robert A. Schlising 2004-7-3 11155 Plumas on the north side of a forest road, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south if Taylorsville, about 8 miles (air) northeast of Quincy 2140 Comment
  RSA699968  Bromus L. Ahart 2004-7-27 11320 Plumas On the west side of the dirt road ( Forest Road 10), near the Pacific Crest Trail, on the Bunker Hill Ridge, about 1 1 /8 miles (air) southeast of Pilot Peak, about 9 miles (air) northeast of La Porte 2100 Comment
  RSA715611  Mahonia aquifolium L. Ahart, John Dittes 2005-6-1 11842 Plumas On the west side of the North Fork of the Feather River, at Indian Jim Campground, on the east side of Highway 70, about 3/4 mile southwest of Chambers Creek. 647 Comment
  RSA715664  Polygonum douglasii L. Ahart 2005-8-9 12261 Plumas Between Lights Creek and Fant Creek, W of Forest Road 27N09 about 6 miles (air) NW of the Boulder Creek Work Center at Antelope Lake. 1636 Comment
  RSA716269  Penstemon gracilentus L. Ahart, John Dittes 2005-9-20 12449 Plumas On the S side of Forest Road 27N34, about 1 mile NE of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2050 Comment
  RSA716417  Sorbus scopulina var. cascadensis L. Ahart, J. Dittes 2005-9-19 12381 Plumas On the S side of Taylor Lake. About 6 miles (air) SW of Antelope Lake. 2081 Comment
  RSA716591  Juncus occidentalis L. Ahart, John Dittes 2005-9-19 12399 Plumas About 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1990 Comment
  RSA716593  Madia gracilis L. Ahart, John Dittes 2005-9-19 12409 Plumas Along the east side of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1987 Comment
  RSA716694  Juncus nevadensis L. Ahart, John Dittes 2005-9-20 12428 Plumas On the west shore of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2030 Comment
  RSA718389  Horkelia tridentata L. Ahart 2006-7-3 12909 Plumas About 0.25 mile N of Lumpkin Ridge road, on Lumpkin Ridge, 4 miles (air) NE of Camp 18. 1528 Comment
  RSA718441  Gilia capitata subsp. mediomontana L. Ahart 2006-7-9 12936 Plumas about 20 yards south of the paved basalt road, about 3 3/4 miles (air) nw of Tamarack Flat, about 5 3/4 miles (air) nw of Little Grass Valley Reservoir 1662 Comment
  RSA718443  Plagiobothrys scouleri var. hispidulus L. Ahart 2006-7-9 12926 Plumas About 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1679 Comment
  RSA726292  Astragalus lentiformis L. Ahart, John Dittes 2007-6-16 14123 Plumas West of a small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 10 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  RSA726408  Agoseris glauca var. laciniata L. Ahart, John Dittes, Josephine Guardino 2007-6-9 14040 Plumas About a mile (air) north of the north end of Lake Davis. 1858 Comment
  RSA726442  Muhlenbergia richardsonis L. Ahart, John Dittes 2007-6-17 14201 Plumas About 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1655 Comment
  RSA726447  Potentilla biennis L. Ahart, John Dittes 2007-6-17 14181 Plumas About 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1655 Comment
  RSA726800  Carex subfusca L. Ahart 2007-6-17 14192 Plumas About 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1655 Comment
  RSA754960  Melica fugax L. Ahart, John Dittes, Josephine Guardino 2009-6-15 15905 Plumas Road under the pole line, about 200 yards west of the Lake Almanor Dam. 1422 Comment
  RSA754965  Amelanchier alnifolia var. semiintegrifolia L. Ahart 2008-6-5 14813 Plumas Good logging road north of the South Fork of the Feather River, about 0.5 mile southwest of the Feather Fork Mine, about 1 mile northeast of Little Grass Valley Reservoir. Comment
  RSA755689  Castilleja applegatei subsp. pinetorum L. Ahart, John Dittes 2009-7-15 16095 Plumas Under the power line on the south side of Forest Service Road 26N22, about 2.3 air miles southeast of Butt Valley Reservoir Dam. 1518 Comment
  RSA755775  Stellaria crispa L. Ahart, John Dittes, Josephine Guardino 2009-7-21 16106 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 air miles southwest of Lake Almanor. 1303 Comment
  RSA769813  Aster occidentalis var. occidentalis L. Ahart 2008-9-10 15384 Plumas Bottom of Onion Valley Creek, in the northeast part of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 0.5 miles east of the Quincy La Porte Road, about 9.5 air miles northeast of La Porte. 1917 Comment
  RSA794789  Festuca idahoensis L. Ahart, John Dittes 2009-7-13 16036 Plumas On the side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 air miles north of Butt Valley Reservoir Dam, about 3 air miles southwest of Lake Almanor Reservoir dam. 1477 Comment
  SBBG119861  Cuscuta occidentalis L. Ahart 2003-9-7 10563 Plumas Bunker Hill Ridge, ca. 1 mi (air) SE of Pilot Pk, ca. 9 mi (air) NE of La Porte 2038 Comment
  SBBG119863  Blepharipappus scaber L. Ahart, J. Dittes 2003-8-8 10484 Plumas E side of Beckwourth Calpine Rd, ca. 3 mi S of Beckwourth, Sierra Valley 1482 Comment
  SBBG126092  Eucephalus breweri L. Ahart 2011-9-20 17678 Plumas dirt rd on N side of Pilot Peak, ca. 9 mi (air) NE of La Porte 2072 Comment
  SEINET7564600 Image available Carex lenticularis var. impressa Lowell Ahart 2003-7-18 10433 Plumas On the east side of the road, about 3/4 mile west of Lumpkin Ridge Road, about 1 mile southeast of Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1753 Comment
  UC1562365  Listera convallarioides Lowell Ahart 1990-7-16 6569 Plumas about 1/2 mi ne Independent Mine (on s bank of South Fork Feather River, about 3 1/2 mi ne of Little Grass Valley Reservoir); South Fork Feather River 1828 Comment
  UCSC010678  Trifolium variegatum var. variegatum Lowell Ahart 2015-6-7 20223 Plumas Bottom of a small basalt ravine about 80 yards west of the dirt road, Lava Top, about 2 1/4 air miles north of the bridge across Fall River, about one mile southeast of Cascade, about 7 air miles northeast of Father Falls, about 10 air miles west of La Porte 1412 Comment
  CAS-BOT-BC115152  Carex vesicaria Lowell Ahart 1980-10-6 2661 Plumas Lake, 1/2 mi W of Fowler Pk. 1700 Comment
  CAS-BOT-BC230970  Plagiobothrys hispidulus Lowell Ahart 1985-7-3 5102 Plumas Little Grass Valley Reservoir, where the S Fork of the Feather River flows into the lake, about 4.25 miles NE of La Porte 1584 Comment
  CAS-BOT-BC476728  Allium validum Lowell Ahart 1979-8-16 s.n. Plumas In a bog east of Ohio Ravine. 1700 Comment
  CAS-BOT-BC56989  Equisetum arvense Lowell Ahart 1968-5-20 s.n. Plumas Sam's Camp, near Webber Lake, Lodgepole Forest 2133 Comment
  CAS-BOT-BC60559  Noccaea fendleri subsp. glauca Lowell Ahart 1983-8-17 4342 Plumas South of Onion Valley, near the Quincy La Porte Road, west of Pilot Peak, about 11 miles norhteast of La Porte. 2000 Comment
  CAS-BOT-BC84650  Anthemis cotula Lowell Ahart 1981-9-6 3072 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  HSC92451  Pedicularis attollens L. Ahart 1982-7-30 3738 Plumas 2 mi. N of Hardquartz Mine, 5 mi. S of Bucks Lake 1585 Comment
  SEINET10452498  Trifolium cyathiferum Lowell Ahart 1985-7-11 Ahart 5140 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  SEINET10467094  Carex kelloggii Lowell Ahart 1985-7-3 Ahart 5101 Plumas About 4 1/4 miles north-east of La Porte. Comment
  SEINET10472681  Triteleia ixioides subsp. scabra Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4318 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  SEINET10572692  Claytonia nevadensis Lowell Ahart, Peter Ahart 1983-7-20 Ahart 4199 Plumas Ca. 1/4 mi e of Feather Fork Mine, ca. 5.5 mi n of La Porte. Red Fir Forest; 1800 m. 1800 Comment
  SEINET10937632  Chenopodium pumilio Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5188 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  SEINET13710063  Prunus virginiana var. demissa Lowell William Ahart, Lowell William Ahart 2001-1 9212 Plumas Lake Almanor, 3/4 Mi. NE of Chester (T28N, R7E, sec 4, NE 1/4) 4500 Ft. 1372 Comment
  SEINET13710064  Galium trifidum subsp. subbiflorum Lowell William Ahart, Lowell William Ahart 2001-1 9205 Plumas Lake Almanor 3/4 Mi. NE of Chester (T28N, R7E, sec 4, NE 1/4) 4500 Ft. 1372 Comment
  SEINET13710773  Ranunculus aquatilis Lowell William Ahart, Lowell William Ahart 2001-1 9287 Plumas Freeman Creek on Strand of Lake Davis (T24N, R13E, sec 29, NW 1/4) 5770 Ft. 1759 Comment
  SEINET13711033  Eriogonum umbellatum var. nevadense Lowell William Ahart, Lowell William Ahart 2001-1 8895 Plumas Outcrop SW of Homer Lake, 5.5 Mi. N of Greenville (T27N, R9E, sec 10, NW 1/4) 6700 Ft. 2042 Comment
  SEINET13711122  Lotus purshianus Lowell William Ahart, Lowell William Ahart 2001-1 9261 Plumas Little Last Chance Creek, on Strand of Frenchman Lake (T24N, R16E, S 8, SE 1/4) 5580 Ft. 1701 Comment
  SEINET9084151  Eleocharis parishii L. Ahart 1997-9-11 7899 Plumas On the W edge of Caribou Road, on the W side of the North Fork of the Feather River, ca 1.8 mile S of mosquito Creek, ca 5 air miles NE of Belden. 792 Comment
  CHSC10588  Salix exigua Lowell Ahart 1963-4-8 San Bernardino Near Twentynine Palms. 914 Comment
  CHSC118573  Madia exigua Lowell Ahart; John Dittes, Josephine Guardino 2017-6-15 21398 Shasta Along poor dirt road extending from end of Mackey's Cove Road to northeast shore of Fall River Lake, about 0.5 mile northwest of airport runway, about 1.2 miles (air) north of Fall River Mills, Fall River Valley. 1008 Comment
  CHSC84072  Pseudognaphalium stramineum Lowell Ahart; John Dittes 2003-5-22 10209 Shasta East side of a wash, west of the poor dirt road, about 150 yards south of the Coleman Canal, about 1 1/8 miles west of the barn, 4 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 11 miles (air) east-northeast of Cottonwood. 259 Comment
  CHSC84116  Agoseris heterophylla Lowell Ahart; John Dittes 2003-5-12 10131 Shasta Near a vernal pool, about 250 yards south of the barn, about 1/4 mile south of the Coleman Canal, 2.8 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 12 miles (air) east-northeast of Cottonwood. 265 Comment
  CHSC99763  Cryptantha torreyana Lowell Ahart; John Dittes 2008-6-19 14850 Shasta On dry gray soil around scattered oak trees, about 50 yards east of the Pit River, about 100 yards southwest of the intersection of Cassel-Fall River Road and Dee-Knoch Road, about 1/4 mile southeast of Highway 299 in Fall River Mills. 993 Comment
  HSC97774  Juncus leiospermus var. leiospermus L. Ahart, John Dittes 2003-5-12 10165 Shasta 0.25 mi. S of the Coleman Canal, 2.8 mi. WSW of Darah Springs State Fish Hatchery, 12 mi. ENE of Cottonwood 265 Comment
  JEPS104004  Lilaea scilloides Lowell Ahart 2003-5-12 10172 Shasta In a vernal pool, ca 250 yd south of the barn, ca 1/4 mi south of the Coleman Canal, 2.8 mi (air) wsw of Darah Springs State Fish Hatchery, ca 12 mi (air) ene of Cottonwood. 265 Comment
  JEPS104049  Trifolium microcephalum Lowell Ahart 2003-5-12 10153 Shasta Near a vernal pool, ca 250 yd south of the barn, ca 1/4 mi south of the Coleman Canal, 2.8 mi (air) wsw of Darah Springs State Fish Hatchery, ca 12 mi (air) ene of Cottonwood. 265 Comment
  JEPS104054  Microseris douglasii subsp. douglasii Lowell Ahart 2003-5-12 10135 Shasta Near a vernal pool, ca 250 yd south of the barn, ca 1/4 mi south of the Coleman Canal, 2.8 mi (air) wsw of Darah Springs State Fish Hatchery, ca 12 mi (air) ene of Cottonwood. 265 Comment
  JEPS104062  Cryptantha flaccida Lowell Ahart 2003-6-11 10279 Shasta On the n side of the dirt road on the Colman Canal, ca 3 mi w of the barn, 5 mi (air) wsw of Darah Springs State Fish Hatchery, ca 10 mi (air) ene of Cottonwood. 288 Comment
  JEPS104370  Trifolium albopurpureum var. olivaceum Lowell Ahart 2003-5-12 10146 Shasta About 100 yd e of the barn, ca 1/4 mi south of the Coleman Canal, 2.8 mi (air) wsw of Darah Springs State Fish Hatchery, ca 12 mi (air) ene of Cottonwood. 265 Comment
  JEPS104460  Salix lasiandra var. lasiandra Lowell Ahart 2003-5-22 10203 Shasta In a meadow, near a water ditch, easst of the poor dirt road, ca 150 yd south of the Coleman Canal, ca 1 1/8 mi w of the barn, 4 mi (air) wsw of Darah Springs State Fish Hatchery, ca 11 mi (air) ene of Cottonwood. 259 Comment
  JEPS114786  Juncus balticus subsp. ater Lowell Ahart, John Dittes 2008-6-19 14846 Shasta In shallow water on the east side of the Pit River, about 150 yards west of the intersection of Cassel-Fall River Road and Dee-Knoch Road, about 1/4 mile southeast of Highway 299 in Fall River Mills 993 Comment
  RSA696017  Poa secunda L. Ahart, John Dittes 2003-5-22 10193 Shasta West of the poor dirt road, about 150 yards south of the Coleman Canal, about 1 1/8 miles west of the barn, 4 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 11 miles (air) east-northeast of Cottonwood. 259 Comment
  SEINET3449597  Melica californica Lowell Ahart, John Dittes 2003-5-22 10192 Shasta Cottonwood, Cottonwood, about 11 air miles east/northeast, 4 air miles west/southwest of Darah Springs State Fish Hatchery, about 1 1/8 miles west of the barn, about 150 yards south of the Coleman Canal, West of the poor dirt road 250 Comment
  SEINET3450910  Microseris elegans Lowell Ahart, John Dittes 2003-5-12 10134 Shasta Cottonwood, Cottonwood, about 12 miles by air east/northeast of Cottonwood, 2.8 air miles west/southwest of Darah Springs State Fish Hatchery, about 0.25 miles south of the Coleman Canal, 50 yards east of the barn 260 Comment
  SBBG128877  Trifolium pratense L. Ahart, J. Dittes 2008-6-19 14835 Shasta ca. 5 yards E of Pit River, ca. 150 yards SW of intersection of Cassel-Fall River Rd and DeeKnoch Rd, ca. 1/4 mi SE of Hwy 299 in Fall River Mills 993 Comment
  SEINET11263924  Phacelia heterophylla subsp. virgata Lowell Ahart, Vernon H. Oswald 1994-5-12 6209 Shasta Lakeshore Drive (35N08) paralleling the W side of the Sacramento River Arm of Shasta Lake, at the first stream entering the lake ca 1.3 miles E of Sugarloaf Creek Bridge.; 0 326 Comment
  CAS-BOT-BC105520  Populus trichocarpa Lowell Ahart 1981-6-23 2879 Sierra Bottom of Wallace Creek, right along the edge of the dirt road, about 4 miles northeast of La Porte. 1700 Comment
  CAS-BOT-BC161972  Bromus rubens Lowell Ahart 1978-6-4 s.n. Sierra Sierra Nevada. 5 miles south of Alleghany. Comment
  CAS-BOT-BC169503  Corylus cornuta subsp. californica Lowell Ahart 1969-5-18 s.n. Sierra Scales, 10 miles SE of La Porte 1219 Comment
  CAS-BOT-BC285076  Hordeum marinum subsp. gussoneanum Lowell Ahart 1977-5-31 s.n. Sierra 6 miles west of Alleghany 1500 Comment
  CAS-BOT-BC438975  Cistanthe monosperma Lowell Ahart 1989-8-16 6381 Sierra At Ahart Sheep Camp, about 1 mile north-west of Milton Reservoir 1706 Comment
  CAS-BOT-BC56589  Rhododendron columbianum Lowell Ahart 1969-8-14 s.n. Sierra Near Baltimore Lake 2133 Comment
  CAS-BOT-BC69358  Pellaea brachyptera Lowell Ahart 1982-7-28 3694 Sierra about 1/4 mile north of the Pacific Mine, about 5 miles east of La Porte 1700 Comment
  CAS-BOT-BC76174  Darlingtonia californica Lowell Ahart 1978-8-13 s.n. Sierra Sierra Nevada. Harris Meadow, northeast of Alleghany. 548 Comment
  CHSC105644  Ericameria nauseosa var. speciosa Lowell Ahart; John Dittes 2010-10-5 17300 Sierra On the east side of Antelope Valley road, about 100 yards south of Highway 49, 3.6 miles (air) west of Loyalton, 6.8 miles (air) northeast of Sierraville. 1498 Comment
  CHSC105984  Bromus carinatus var. carinatus Lowell Ahart 2010-9-15 17177 Sierra Along the poor road, 5 yards north of the first pond, 8 yards northwest of the cabin, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  CHSC10716  Viola macloskeyi Lowell Ahart 1968-5-20 Sierra Sam's Camp near Webber Lake. 2133 Comment
  CHSC10806  Claytonia rubra subsp. rubra Lowell Ahart 1969-5-18 Sierra Scales, 10 miles S. E. of La Porte. 1219 Comment
  CHSC32064  Sanicula tracyi L. Ahart 1972-4-28 94 Sierra Near Slate Creek, 10 mi s of La Porte. 914 Comment
  CHSC37211  Bromus carinatus var. marginatus L. Ahart 1982-7-28 3711 Sierra On bottom of the water ditch, ca. 5 mi e of LaPorte. 1700 Comment
  CHSC37213  Mentzelia dispersa L. Ahart 1982-7-28 3713 Sierra On bottom of water ditch, ca. 1/8 mi n of Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  CHSC37220  Cuscuta californica L. Ahart 1982-7-28 3703 Sierra Ca. 1/4 mi n of Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  CHSC37222  Eriogonum umbellatum var. modocense L. Ahart 1982-7-28 3698 Sierra Ca. 1/4 mi n of Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  CHSC37225  Phacelia heterophylla subsp. virgata L. Ahart 1982-7-28 3597 Sierra On dry bare rocky soil in a loose rock slide area, ca. 1/4 mi n of Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  CHSC37227  Scutellaria californica L. Ahart 1982-7-28 3692 Sierra Ca 1/4 mi n of Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  CHSC43329  Hypericum anagalloides Lowell Ahart 1977-7-31 1509 Sierra On wet soil in a bog, about 2 miles north of Scales. 1341 Comment
  CHSC43358  Calochortus monophyllus Lowell Ahart 1972-4-28 88 Sierra Along Scales Road, about 10 miles south of La Porte, about 2 miles west of Scales. 1066 Comment
  CHSC44318  Ipomopsis congesta subsp. palmifrons Lowell Ahart 1977-8-2 1524 Sierra On a ridge n the west side of Mount Fillmore, near the summit of Mount Fillmore, about 12 miles north-east of La Porte. 2194 Comment
  CHSC44873  Hieracium albiflorum Lowell Ahart 1975-8-17 936 Sierra On a mountain side, under trees, near French Meadows, about 3 air miles west and 1/2 mile south of Webber Lake. 2133 Comment
  CHSC44882  Hemizonella minima Lowell Ahart 1977-6-18 1429 Sierra Near Scales, about 1 1/2 miles north-east of Scales. 1280 Comment
  CHSC45396  Ranunculus aquatilis var. capillaceus Lowell Ahart 1980-9-9 2615 Sierra In a small pond along the edge of the dirt road, about 1/2 mile east of Webber Lake. 2011 Comment
  CHSC45444  Collomia tinctoria Lowell Ahart 1982-7-28 3707 Sierra On the bottom of the water ditch, about 1/8 mile north of the Pacific Mine, about 5 miles east of La Porte. 1554 Comment
  CHSC45504  Clematis ligusticifolia Lowell Ahart 1973-10-26 279 Sierra On the cut bank on the west side of the Foote Road, on the north side of the Middle Fork of the Yuba River, south-west of Alleghany. 914 Comment
  CHSC46026  Cheilanthes gracillima Lowell Ahart 1970-5-7 50 Sierra Near Rock Creek, about 50 yards south of the dirt road, south of Scales. 1371 Comment
  CHSC54572  Luzula comosa var. laxa Lowell Ahart 1991-7-22 6687 Sierra In French Meadow, near a small branch of Pass Creek, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake. 2133 Comment
  CHSC61687  Juncus orthophyllus Lowell Ahart 1993-9-10 7184 Sierra Near the edge of a small meadow, near red rock outcrops, on the west side of a poor dirt road that leads to a camp, water ditch (old mining ditch) and stream, on the north side of Mount Fillmore, about 1 mile southwest of the dirt road from Gibsonville to Johnsville. 2133 Comment
  CHSC61779  Crepis pleurocarpa Lowell Ahart 1993-9-10 7218 Sierra Ridge, on the west side of Mount Fillmore, about 1 1/2 miles south of the dirt road from Gibsonville to Johnsville. 2316 Comment
  CHSC61888  Carex rossii Lowell Ahart 1993-9-10 7195 Sierra At the end of a poor dirt road where there is a camp, water ditch and stream, on the north side of Mount Fillmore, about 1 mile south-west of the dirt road from Gibsonville to Johnsville. 2133 Comment
  CHSC61938  Agrostis variabilis Lowell Ahart 1993-9-24 7249 Sierra On the north side of Mount Fillmore, about 3/4 mile south of the dirt road from Gibsonville to Johnsville. 2133 Comment
  CHSC63143  Lupinus apertus Lowell Ahart 1994-7-7 7448 Sierra On the south-east side of the dirt road from Gibsonville to Sloat, about 1/2 mile south of Bunker Hill Ridge and the Pacific Crest Trail, about 1 1/2 miles (air) south of Pilot Peak. 1981 Comment
  CHSC66528  Leptosiphon ciliatus Lowell Ahart 1996-7-25 7691 Sierra Along the dirt road, old Henness Pass Road, French Meadow, about 2 miles west of Webber Lake. 1950 Comment
  CHSC66595  Silene invisa Lowell Ahart 1996-7-25 7697 Sierra In meadows, south of the old Henness Pass Road, just west of French Meadow, about 2 miles west of Webber Lake. 1950 Comment
  CHSC66597  Acmispon nevadensis var. nevadensis Lowell Ahart 1996-7-25 7687 Sierra In and along the dirt road, old Henness Pass Road, French Meadow, about 2 miles west of Webber Lake. 1950 Comment
  CHSC92032  Senecio triangularis Lowell Ahart 2005-8-30 12338 Sierra On a gravel bar along the east side of Pass Creek, about 1/8 mile south of French Meadow, about 2 1/2 miles west of Webber Lake. 2032 Comment
  CHSC92035  Elymus glaucus subsp. glaucus Lowell Ahart 2005-8-30 12362 Sierra East of Pass Creek, about 100 yards southeast of the falls on Pass Creek, about 1/4 mile south of French Meadow, about 2 1/2 miles west of Webber Lake. 2073 Comment
  CHSC92037  Polygonum douglasii subsp. douglasii Lowell Ahart 2005-8-30 12361 Sierra East of Pass Creek, about 100 yards southeast of the falls on Pass Creek, about 1/4 mile south of French Meadow, about 2 1/2 miles west of Webber Lake. 2073 Comment
  CHSC92087  Carex Lowell Ahart 2005-8-12 12330 Sierra Bog, west of the forest, near the west boundary of Section 24, northwest part of French Meadow, about 3 miles northwest of Webber Lake. 2030 Comment
  CHSC94116  Calystegia occidentalis subsp. occidentalis Lowell Ahart 2006-6-21 12796 Sierra On the west side of the Foote Road, about 4 miles (by road) southwest of Alleghany. 849 Comment
  CHSC94179  Phacelia procera Lowell Ahart 2006-6-21 12847 Sierra On the west side of the Foote Road, about 4 miles (by road) southwest of Alleghany. 849 Comment
  CHSC94241  Elymus elymoides subsp. californicus Lowell Ahart 2006-6-21 12809 Sierra On the west side of the Foote Road, about 3.7 miles (by road) southwest of Alleghany. 1093 Comment
  HSC97046  Calochortus leichtlinii L. Ahart 2006-6-21 12834 Sierra About 30 yds. W of rd., about 2.5 mi. W of Forest 1398 Comment
  JEPS102367  Antennaria rosea subsp. confinis Lowell Ahart 2001-8-10 9099 Sierra about 5 air miles E of Webber Lake (about 200 ft SW of diversion dam on Little Truckee River, 100 yds S of Fiberboard Road (FSR 18), about 1/8 mi N of Henness Pass Road) 1920 Comment
  JEPS108721  Castilleja applegatei subsp. pinetorum Lowell Ahart 2006-6-28 12879 Sierra On the south slope and near the top of the serpentine area, about 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville 1903 Comment
  JEPS108802  Lithophragma tenellum Lowell Ahart 2006-6-28 12865 Sierra About 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville 1784 Comment
  JEPS108828  Linum lewisii var. lewisii Lowell Ahart 2006-6-28 12869 Sierra About 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville 1784 Comment
  JEPS117425  Agrostis idahoensis Lowell Ahart 2010-8-3 17036 Sierra Disturbed area along a small stream that flows into Negro Creek east side of the poor logging road, about 100 yards east of Negro Creek, about 1/4 mile (air) southwest of the Burlington Mine, about 1 3/4 miles (air) southwest of the Burlington Mine, about 1731 Comment
  JEPS117452  Penstemon gracilentus Lowell Ahart 2010-9-15 17168 Sierra About 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak 2134 Comment
  JEPS119935  Spiraea douglasii Lowell Ahart 2012-9-18 18452 Sierra Bottom of Poverty Hill Hydraulic Mine, about 2 miles (air) southwest of Poverty Hill, about 4 1/2 miles (air) south of La Porte. Comment
  JEPS87606  Calystegia malacophylla subsp. malacophylla Lowell Ahart 1994-7-1 7442 Sierra about 11 mi (air) ne Alleghany (about 1 1/2 mi ne of Middlewaters, e of Keystone Mountain, at Keystone Gap, steep rocky slope on n side Henness Pass Road, n side lgr pond); e of Keystone Mountain, Keystone Gap, ne of Middlewaters 1889 Comment
  JEPS95837  Ribes aureum var. aureum Lowell Ahart 1999-7-26 8128 Sierra about 7 miles (air) east of Webber Lake; Little Truckee River; on the west side of Independence Road; just south of the Little Truckee River; south of Fibreboard Road; about 7 miles (air) east of Webber Lake 1889 Comment
  JEPS98300  Eleocharis decumbens Lowell Ahart 2000-7-13 8587 Sierra In a small boggy meadow, on a upper west branch of Black Jack Ravine, on the west side of Forest Highway 98, Harris Meadow, about 7 miles (air) northeast of Alleghany. 1615 Comment
  JEPS98307  Juncus bufonius var. bufonius Lowell Ahart 2000-10-8 8704 Sierra 8 air miles NE of La Porte (100 yds W of Pacific Crest Trail and Bunker Hill Ridge, 1 1/2 mi SE of Pilot Peak) 1920 Comment
  RSA726429  Quercus kelloggii L. Ahart 2007-10-25 14503 Sierra About 1.5 miles north of Scales, about 5 miles (air) south of La Porte. 1433 Comment
  UC1562438  Alopecurus aequalis Lowell Ahart 1990-6-29 6531 Sierra on bottom of Poverty Hill Mine (hydraulic mine) 1524 Comment
  UC1586480  Mimulus breweri Lowell Ahart 1991-7-22 6679 Sierra about 1/4 mi s Henness Pass Road (about 3 mi nw of Webber Lake); French Meadow 2133 Comment
  UC1586482  Elymus trachycaulus Lowell Ahart 1991-7-22 6692 Sierra about 1/4 mi s Henness Pass Road (about 3 mi nw of Webber Lake); French Meadow 2133 Comment
  UC1586485  Hieracium greenei Lowell Ahart 1991-7-22 6672 Sierra about 1.25 mi ne Granite Mountain (about 1 mi n of Harris Meadow, near Burlington) 1828 Comment
  UC1586487  Orthilia secunda Lowell Ahart 1991-7-29 6700 Sierra Negro Creek, west of Burlington, about 1 mile north-east of Harris Meadow, about 1 1/4 miles north-east of Granite Mountain. 1828 Comment
  UC1609501  Juncus orthophyllus Lowell Ahart 1993-9-24 7243 Sierra ca. 3/4 mi. s. of dirt rd. from Gibsonville to Johnsville (n. side of Mt. Fillmore, w. side of poor dirt rd. that ends at a stream); Mt. Fillmore 2133 Comment
  CAS-BOT-BC478889  Gayophytum Lowell Ahart 1983-10-27 4492 Sierra Near a dirt road that is about 2 miles south-east of Jackson Meadows Res., about 1 mile south of Pass Creek, near Jackson Meadows Res. 2200 Comment
  CAS-BOT-BC478890  Gayophytum Lowell Ahart 1983-10-27 4491 Sierra Near a dirt road that is about 2 miles south-east of Jackson Meadows Res., about 1 mile south of Pass Creek, near Jackson Meadows Res. 2200 Comment
  CAS-BOT-BC478891  Gayophytum Lowell Ahart 1983-10-27 4493 Sierra Near a dirt road that is about 2 miles south-east of Jackson Meadows Res., about 1 mile south of Pass Creek, near Jackson Meadows Res. 2200 Comment
  CDA34722  Berula erecta L. Ahart, John Dittes 2010-7-3 16934 Siskiyou Along the west edge of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. Comment
  CDA5732  Plagiobothrys bracteatus L. Ahart, J. Dittes 2005-6-9 12035 Siskiyou About 50 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  CHSC106109  Juncus balticus subsp. ater Lowell Ahart; John Dittes 2010-7-30 16950 Siskiyou On the south side of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CHSC91177  Triglochin concinna var. debilis Lowell Ahart; John Dittes 2005-6-9 11999 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CHSC91223  Hordeum depressum Lowell Ahart; John Dittes 2005-6-9 12042 Siskiyou North margin of a meadow area along a small drainage, on the west side of a poor rock fence, about 200 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CHSC93557  Descurainia incisa subsp. filipes Lowell Ahart; John Dittes 2005-6-10 12062 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC100790  Solanum dulcamara Lowell Ahart, John Dittes 2010-7-30 16939 Siskiyou Along the S edge of the Shasta River, ~100 yd. E of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 (air) mi. SW of Big Springs Lake, 4.6 (air) mi. NW of Dwinnel Dam, 5.7 (air) mi. SE of Grenada. 717 Comment
  HSC100792  Pyrrocoma lanceolata var. lanceolata Lowell Ahart, John Dittes 2010-7-30 16969 Siskiyou Shasta Springs Ranch, 2.6 (air) mi. NW of Big Springs Lake, 3.9 (air) mi. SE of Grenada, 6.3 (air) mi. NW of Dwinnel Dam. 779 Comment
  HSC97143  Veronica peregrina subsp. xalapensis L. Ahart, John Dittes 2005-6-10 12059 Siskiyou Depression near dirt road, 80 yds. N of pump house along the Shasta River, 1.9 mi. S of Hwy. 99/97 Cutoff, 6 mi. ESE of Grenada 777 Comment
  HSC97163  Stipa thurberiana L. Ahart 2005-6-9 12027 Siskiyou 3/5 mi. S of Hwy. 99/97 cutoff, 2 1/2 mi. ESE of Grenada 775 Comment
  JEPS107649  Astragalus filipes Lowell Ahart, John Dittes 2005-6-10 12092 Siskiyou Rocky hillside, north of the rock fence, about 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  JEPS107665  Vulpia myuros var. hirsuta Lowell Ahart, John Dittes 2005-6-9 12012 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  JEPS107668  Lupinus microcarpus var. microcarpus Lowell Ahart, John Dittes 2005-6-9 12015 Siskiyou Open pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  JEPS107961  Solanum dulcamara Lowell Ahart, John Dittes 2005-6-10 12078 Siskiyou In water on the north side of the Shasta River, about 60 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  JEPS117464  Pyrrocoma lanceolata var. lanceolata Lowell Ahart, John Dittes 2010-7-30 16969 Siskiyou Riparian terraces near spring, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam 778 Comment
  JEPS87837  Raillardella pringlei Lowell Ahart 1994-7-11 7546 Siskiyou upstream side of Forest Rd 26 (to Mt. Shasta) ca 0.5 mi ne Gumboot Lake (w of Dunsmuir); Gumboot Creek 1783 Comment
  RSA715498  Penstemon laetus var. sagittatus L. Ahart, John Dittes 2005-6-9 12029 Siskiyou South of rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 miles (air) south of Highway 99/97 cutoff, about 2.5 miles (air) east-southeast of Granada. 775 Comment
  RSA715776  Astragalus filipes L. Ahart 2005-6-10 12092 Siskiyou About 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  RSA768926  Nasturtium officinale L. Ahart, John Dittes 2010-7-30 16960 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  SBBG126110  Ericameria nauseosa var. oreophila L. Ahart, J. Dittes 2010-7-30 16970 Siskiyou Shasta Big Springs Ranch, 2.6 mi (air) NW of Big Springs Lake, 3.9 mi (air) SE of Grenada, 6.3 mi (air) NW of Dwinnel Dam 778 Comment
  CAS-BOT-BC10068  Delphinium hesperium subsp. pallescens Lowell Ahart 1986-5-4 5272 Sutter About 5 miles northwest of Sutter, Sutter Buttes 259 Comment
  CAS-BOT-BC114521  Cyperus eragrostis Lowell Ahart 1977-7-24 s.n. Sutter South side of South Butte, Sutter Buttes. 121 Comment
  CAS-BOT-BC159455  Prunus virginiana var. demissa Lowell Ahart 1985-5-5 4916 Sutter Huff Canyon, about 3/4 mile west of the Dean Cabin, Dean Ranch - Sutter Buttes 250 Comment
  CAS-BOT-BC180560  Amorpha californica var. californica Lowell Ahart 1983-9-4 4391 Sutter Found near the west fence line on the Dean Ranch, about 1/2 mile north-west of the Dean Cabin, Dean Ranch, Sutter Buttes 300 Comment
  CAS-BOT-BC180561  Amorpha californica var. californica Lowell Ahart 1985-6-23 5068 Sutter Found near the west fence line on the Dean Ranch, about 1 mile west of the Dean Cabin, Dean Ranch, Sutter Buttes 274 Comment
  CAS-BOT-BC199918  Vulpia bromoides Lowell Ahart 1985-5-5 4924 Sutter Along the road, Huff Canyon, about 3/4 mile west of the Dean Cabin, Dean Ranch, Sutter Buttes 250 Comment
  CAS-BOT-BC199971  Vulpia microstachys var. ciliata Lowell Ahart 1986-5-4 5267 Sutter Rocky hill about 1/8 mile west of the Dean Cabin, Dean Ranch, about 5 miles north-west of Sutter, Sutter Buttes 259 Comment
  CAS-BOT-BC199972  Vulpia microstachys var. ciliata Lowell Ahart 1982-5-30 3475 Sutter On the sides of a small wash, ca. 0.25 mi. W of the Myers home, Myers Ranch, Sutter Buttes - Sierra Nevada 50 Comment
  CAS-BOT-BC235665  Keckiella breviflora var. glabrisepala Lowell Ahart 1980-6-21 2426 Sutter South Butte, Sutter Buttes 350 Comment
  CAS-BOT-BC237420  Polypogon monspeliensis Lowell Ahart 1980-6-21 2417 Sutter South Butte, Sutter Buttes Comment
  CAS-BOT-BC237421  Polypogon monspeliensis Lowell Ahart 1984-5-21 4614 Sutter At the old homestead on the S side of the South Butte, Sutter Buttes 400 Comment
  CAS-BOT-BC253693  Panicum capillare Lowell Ahart 1984-9-22 4800 Sutter On the W side of the South Butte, Sutter Buttes 250 Comment
  CAS-BOT-BC261456  Eriogonum nudum var. nudum Lowell Ahart 1981-9-10 3128 Sutter South Butte, Sutter Buttes 350 Comment
  CAS-BOT-BC262337  Eriogonum vimineum Lowell Ahart 1980-6-21 2430 Sutter South Butte, Sutter Buttes 350 Comment
  CAS-BOT-BC283565  Lolium multiflorum Lowell Ahart 1982-5-30 3484 Sutter Ca 0.25 mile W of the Myers home, Myers Ranch 50 Comment
  CAS-BOT-BC439815  Claytonia perfoliata Lowell Ahart 1981-3-14 2701 Sutter Dean Ranch, Sutter Buttes. 350 Comment
  CDA40268  Navarretia intertexta subsp. intertexta L. Ahart, Jack Lindsay 2005-5-31 11831 Sutter Margins of a large vernal pool on the north side of the dirt private road, about 1/2 mile north of Malott Road, about 2 miles (air) northeast of Sutter. Comment
  CHSC34119  Persicaria punctata L. Ahart 1981-9-10 3133 Sutter Along the edge of the small stream, near the old homestead, s side of South Butte, Sutter Buttes. 450 Comment
  CHSC36268  Pectocarya penicillata L. Ahart 1982-4-24 3363 Sutter Along edge of road to gravel pit, ca. 3/4 mi sw of Myers home, Myers Ranch, Sutter Buttes. 50 Comment
  CHSC37039  Centromadia fitchii L. Ahart 1982-9-9 3784 Sutter On bottom of ditch ca. 1/2 mi s of Myers home, Myers Ranch, Sutter Buttes. 50 Comment
  CHSC37171  Centaurium tenuiflorum L. Ahart 1982-4-20 3620 Sutter Just inside the first gate to the Dean Ranch, Sutter Buttes. 35 Comment
  CHSC37173  Eryngium castrense L. Ahart 1982-6-20 3624 Sutter Just inside the first gate to the Dean Ranch, Sutter Buttes. 35 Comment
  CHSC37180  Stachys stricta L. Ahart 1982-6-20 3638 Sutter On sides of a small wash, n of the Dean Cabin, Dean Ranch, Sutter Buttes. 350 Comment
  CHSC37182  Phalaris aquatica L. Ahart 1982-6-20 3642 Sutter Along a wash, ca. 1/4 mi nw of the Dean Cabin, Dean Ranch, Sutter Buttes. 350 Comment
  CHSC37185  Toxicodendron diversilobum L. Ahart 1982-6-20 3644 Sutter Along a seep stream, ca. 1/4 mi se of Dean Cab Cabin, Dean Ranch, Sutter Buttes. 300 Comment
  CHSC37187  Heteromeles arbutifolia L. Ahart 1982-6-20 3645 Sutter Along the edge of road, ca. 1.8 mi se of the Dean Cabin, Dean Ranch, Sutter Buttes. 350 Comment
  CHSC37249  Hirschfeldia incana L. Ahart 1982-5-30 3524 Sutter Near wash, s of gravel pit, ca. 3/4 mi s of Myers home, Myers Ranch, Sutter Buttes. 50 Comment
  CHSC39270  Heliotropium curassavicum Lowell Ahart 1983-8-4 4261 Sutter Found near the west fence line, on the west side of the South Butte, Sutter Buttes. 60 Comment
  CHSC39283  Muhlenbergia rigens Lowell Ahart 1983-8-4 4260 Sutter On the west side of the South Butte, Sutter Buttes. 60 Comment
  CHSC40260  Downingia bicornuta Lowell Ahart 1985-5-5 4893 Sutter On the bottom of a vernal pool, near the first gate to the Dean Ranch, about 1/4 mile north of Mallott Road, about 2 miles north-east of Sutter, Sutter Buttes. 35 Comment
  CHSC40262  Triteleia hyacinthina Lowell Ahart 1985-5-5 4909 Sutter South of the road, about 3/4 mile south-east of the Dean Cabin, Dean Ranch, about 3 1/2 miles north-west of Sutter, Sutter Buttes. 200 Comment
  CHSC40291  Gastridium phleoides Lowell Ahart 1985-5-5 4912 Sutter North of the road, about 3/4 mile south-east of the Dean Cabin, Dean Ranch, about 3 1/2 miles north-west of Sutter, Sutter Buttes. 200 Comment
  CHSC40339  Eriodictyon californicum Lowell Ahart 1985-5-5 4922 Sutter On dry, gray soil, near the west fence, south of Huff Canyon, about 3/4 mile west of the Dean Cabin, Dean Ranch, Sutter Buttes. 250 Comment
  CHSC40389  Pellaea andromedifolia Lowell Ahart 1985-5-5 4918 Sutter Huff Canyon, about 3/4 mile west of the Dean Cabin, Dean Ranch, Sutter Buttes. 250 Comment
  CHSC40553  Helenium puberulum Lowell Ahart 1985-10-19 5218 Sutter On the bottom of a wash, south of the west oat field, about 1/4 mile west of the Dean Cabin, Dean Ranch, Sutter Buttes. 289 Comment
  CHSC40619  Polygonum californicum Lowell Ahart 1985-10-19 5222 Sutter On a small hill about 1/8 mile west of the Dean Cabin, Dean Ranch, Sutter Buttes. 304 Comment
  CHSC40641  Plantago lanceolata Lowell Ahart 1985-10-19 5221 Sutter About 50 yards west of the Dean Cabin, Dean Ranch, Sutter Buttes. 274 Comment
  CHSC43336  Euphorbia spathulata Lowell Ahart 1977-4-7 1266 Sutter On the Myers Ranch, Sutter Buttes. 45 Comment
  CHSC45941  Malacothamnus fremontii Lowell Ahart 1980-6-21 2435 Sutter Growing around large rocks near the top of the South Butte, on the south side, Sutter Buttes. 579 Comment
  CHSC45954  Persicaria punctata Lowell Ahart 1984-10-22 4817 Sutter Sutter Buttes, on the south side of the South Butte. Growing on the bottom of a small stream. 137 Comment
  CHSC46182  Selaginella hansenii Lowell Ahart 1980-7-26 2693 Sutter Near the old homestead, on the south side of the South Butte, Sutter Buttes. 320 Comment
  CHSC46529  Triteleia ixioides subsp. scabra Lowell Ahart 1984-5-21 4642 Sutter About 60 feet north of where the road forks to go to the radio towers on the South Butte, Sutter Buttes. 609 Comment
  CHSC46724  Claytonia parviflora subsp. parviflora Lowell Ahart 1977-4-7 1262 Sutter Sutter Buttes, Myers Ranch, about 1/2 mile south-west of the Myers home, under oaks. 45 Comment
  CHSC46908  Baccharis salicifolia Lowell Ahart 1984-5-21 4616 Sutter At the old homestead on the south side of the South Butte, Sutter Buttes. 365 Comment
  CHSC46945  Hemizonia congesta subsp. luzulifolia Lowell Ahart 1984-9-22 4796 Sutter East of the old gas well, near the base of the South Butte, Sutter Buttes. 137 Comment
  CHSC46958  Matricaria occidentalis Lowell Ahart 1983-5-4 3938 Sutter Along the edge of Pass Road, about 4 miles west of Kellogg Road. 45 Comment
  CHSC47453  Platystemon californicus Lowell Ahart 1977-4-10 1291 Sutter On the west side of the South Butte, Sutter Buttes. 457 Comment
  CHSC47504  Castilleja attenuata Lowell Ahart 1981-4-29 2791 Sutter Dean Ranch, Sutter Buttes. 304 Comment
  CHSC51231  Salvia columbariae Lowell Ahart 1977-4-5 1260 Sutter On the west side of the South Butte, Sutter Buttes. 457 Comment
  CHSC82240  Cardamine oligosperma Lowell Ahart 2002-3-28 9453 Sutter On the bottom of a depression, on the east side of West Butte Road, about 1/4 mile north of the Sacramento Outing Club, Sutter Buttes. 24 Comment
  CHSC87369  Rubus armeniacus Lowell Ahart 2004-5-2 10823 Sutter At the small seep, west of the old homestead at the large rock outcrop, on the southwest side of the South Butte, Sutter Buttes, about 5 miles (air) northwest of Sutter. 260 Comment
  CHSC87926  Collinsia tinctoria Lowell Ahart 2004-5-29 10976 Sutter On a steep (cliffs) slope, about 30 yards north of the fence, where the fence ends, on the northwest side of the South Butte, Sutter Buttes, about 5 miles (air) northwest of Sutter. 537 Comment
  CHSC91268