<< < Previous Aizoaceae GH: 01785979 Mollugo verticillata Linnaeus USA: California [data not captured] L. Ahart 4787 1984-8-19
Apocynaceae GH: 00914479 Apocynum cannabinum Linnaeus USA: California About 7 miles south-east of Oroville, edge o... L. Ahart 5072 1985-6-30
Aspidiaceae GH: 00395354 Polystichum imbricans (D. C. Eaton) D. H. Wagner USA: California T27N, R3E, near center of Section 25. On the... L. Ahart John Dittes, Josephine Gu... 20698-B 2016-2-11
Asteraceae GH: 02214113 Baccharis douglasii de Candolle USA: California Palermo L. Ahart 3215 1981-9-27
GH: 00386903 Baccharis glutinosa Persoon USA: California alon North Honcut Creek, ca. 3/4 mi N and 2 ... L. Ahart 4814 1984-10-14
GH: 00386903 Baccharis salicifolia (Ruiz & Pavon) Persoon USA: California alon North Honcut Creek, ca. 3/4 mi N and 2 ... L. Ahart 4814 1984-10-14
GH: 00404842 Chondrilla juncea Linnaeus USA: California along the sides of Penn Valley Road, just ea... L. Ahart 7840 1997-8-13
GH: 02353613 Erigeron lassenianus Greene USA: California [data not captured] L. Ahart 2985 1981-7-21
GH: 00403738 Lagophylla minor D. D. Keck USA: California South Butte, Sutter Buttes Valley Grassland L. Ahart 1977-5-19
GH: 00404961 Lessingia nemaclada Greene USA: California dirt road, east of the upper part of Englebr... L. Ahart 9979 2002-10-10
GH: 00404966 Urospermum picroides (Linnaeus) F. W. Schmidt USA: California west side of North Honcut Creek, about 2 1/2... L. Ahart 7290 1994-4-29
Boraginaceae GH: 00395363 Plagiobothrys stipitatus micranthus (Piper) I. M. Johnston USA: California T17N, R4E, northwest 1/4 Section 4. About 1/... L. Ahart 20910 2016-6-2
Brassicaceae GH: 00403597 Boechera horizontalis (Greene) Windham & Al-Shehbaz USA: California ca. 1 mi. NW of Pilot Peak, ca. 14 mi. NE of... L. Ahart 5356 1986-7-8
GH: 00944420 Boechera sp. USA: California [data not captured] L. Ahart 2603 1980-9-9
GH: 01783910 Boechera suffrutescens (S. Watson) Dorn USA: California [data not captured] L. Ahart 5363 1986-7-8
GH: 00983889 Cardamine oligosperma Nuttall USA: California Myers Ranch, Sutter Buttes, west of Marysvil... L. Ahart 4512 1984-3-24
GH: 01561329 Draba verna Linnaeus USA: California [data not captured] L. Ahart 4497 1984-2-27
GH: 01561330 Draba verna Linnaeus USA: California [data not captured] L. Ahart 4497 1984-2-27
GH: 00404852 Lepidium virginicum pubescens (Greene) C. L. Hitchcock USA: California along the south side of Dixie Creek Road, ab... L. Ahart 9389 2001-10-16
GH: 00404811 Rorippa curvisiliqua occidentalis (Greene) Stuckey USA: California T17N, R4E, southwest 1/4 Section 18. North o... L. Ahart 8732 2001-4-27
GH: 00286276 Streptanthus campestris S. Watson USA: California Along edge of dirt road, ca 2.5 mi s of Stir... L. Ahart 4434 1983-9-17
GH: 00286276 Streptanthus longisiliquus G. Clifton & R. E. Buck USA: California Along edge of dirt road, ca 2.5 mi s of Stir... L. Ahart 4434 1983-9-17
Caprifoliaceae GH: 00404967 Lonicera conjugialis Kellogg USA: California Plumas County, Sierra County. north of the P... L. Ahart 7481 1994-7-20
GH: 00422898 Lonicera interrupta Bentham USA: California Lumpkin Ridge, 1 1/2 miles east of Camp 18, ... L. Ahart 5065 1985-6-17
Caryophyllaceae GH: 00395356 Moenchia erecta (Linnaeus) G. Gaertner, B. Meyer & Scherbius USA: California T18N, R5E, northwest 1/4 Section 4. On both ... L. Ahart 20744 2016-4-15
Chenopodiaceae GH: 00404817 Atriplex prostrata Boucher ex de Candolle USA: California T16N, R12W, southwest 1/4 Section 14. south ... L. Ahart 16515 2009-11-12
GH: 01826636 Atriplex prostrata Boucher ex de Candolle USA: California [data not captured] L. Ahart 3221 1981-11-6
GH: 01826891 Atriplex serenana A. Nelson USA: California [data not captured] L. Ahart 3218 1981-11-6
GH: 00404817 Atriplex triangularis Willdenow USA: California T16N, R12W, southwest 1/4 Section 14. south ... L. Ahart 16515 2009-11-12
GH: 01781107 Bassia hyssopifolia (Pallas) Kuntze USA: California [data not captured] L. Ahart 3222 1981-11-6
GH: 00404963 Blitum californicum S. Watson USA: California about 1/10 mile east of the restroom, about ... L. Ahart 19454 2014-5-8
GH: 00404963 Chenopodium californicum (S. Watson) S. Watson USA: California about 1/10 mile east of the restroom, about ... L. Ahart 19454 2014-5-8
GH: 00404816 Chenopodium strictum glaucophyllum (Aellen) Wahl USA: California T22N, R1E, southeast 1/4 Section 36. parking... L. Ahart 15446 2008-11-8
Convolvulaceae GH: 00403601 Cuscuta campestris Yuncker USA: California on the strand of Black Butte Reservoir (west... L. Ahart 18425 2012-8-24
GH: 00403601 Cuscuta pentagona Engelmann USA: California on the strand of Black Butte Reservoir (west... L. Ahart 18425 2012-8-24
Cyperaceae GH: 00404557 Carex agastachys Linnaeus f. USA: California T21N, R2E, northeast 1/4 Section 6. North si... L. Ahart 18116 2012-5-31
GH: 02370686 Carex leavenworthii Dewey USA: California [data not captured] L. Ahart 18190 2012-6-14
GH: 00404818 Carex mendocinensis Olney ex W. Boott USA: California T25N, R7E, northeast 1/4 Section 5. about 20... L. Ahart 18251 2012-7-1
GH: 00395197 Cyperus erythrorhizos Muhlenberg USA: California between the river and the large gravel bar, ... L. Ahart 19160-A 2013-10-19
GH: 00395355 Eleocharis macrostachya Britton USA: California T17N, R4E, northwest 1/4 Section 4. On the b... L. Ahart 20893 2016-5-30
GH: 00404845 Eleocharis pachycarpa Desvaux USA: California margins of a small pond, about 1/2 mile west... L. Ahart 8597 2000-7-18
Dysphaniaceae GH: 01784391 Dysphania aristata (Linnaeus) Mosyakin & Clemants USA: California [data not captured] L. Ahart 4781 1984-8-19
GH: 01784391 Dysphania botrys (Linnaeus) Mosyakin & Clemants USA: California [data not captured] L. Ahart 4781 1984-8-19
GH: 01784547 Dysphania pumilio (R. Brown) Mosyakin & Clemants USA: California [data not captured] L. Ahart 5203 1985-10-12
Elatinaceae GH: 00403600 Bergia texana (Hooker) Seubert ex Walpers USA: California on the strand of Black Butte Reservoir (west... L. Ahart 18426 2012-8-24
GH: 00351721 Elatine heterandra H. Mason USA: California Ca. 2.5 mi N and 1.4 mi E of Honcut, ca. 12 ... L. Ahart 4596 1984-5-8
GH: 00351721 Elatine rubella Rydberg USA: California Ca. 2.5 mi N and 1.4 mi E of Honcut, ca. 12 ... L. Ahart 4596 1984-5-8
Euphorbiaceae GH: 00404851 Chamaesyce serpyllifolia (Persoon) Small USA: California French Meadows Reservoir about 1 mile southw... L. Ahart 9347 2001-10-10
Fabaceae GH: 00395361 Astragalus filipes Torrey ex A. Gray USA: California T39N, R8E, northeast 1/4 Section 19 L. Ahart John Dittes 20948 2016-6-6
GH: 00404846 Lotus purshianus (Bentham) F. E. Clements & E. G. Clements USA: California near a small pond, about 1/2 mile west of Pa... L. Ahart 8600 2000-7-18
GH: 00404841 Trifolium cyathiferum Lindley USA: California logging road, east of a small branch of Butt... L. Ahart 8903 2001-7-17
GH: 00395360 Trifolium longipes hansenii (Greene) J. M. Gillett USA: California T39N, R8E, southeast 1/4 Section 29. About o... L. Ahart John Dittes 20957 2016-6-6
GH: 00404964 Trifolium wormskioldii Lehmann USA: California east of the logging road, east of Schwartz M... L. Ahart 7380 1994-6-27
GH: 00404812 Vicia villosa Roth USA: California T17N, R2E, northwest corner Section 17. sout... L. Ahart 8737 2001-5-10
Hydrocharitaceae GH: 00404813 Elodea canadensis Michaux USA: California T20N, R1W. East side of the Sacramento River... L. Ahart 8883 2001-7-6
Hypericaceae GH: 00404965 Hypericum formosum scouleri J. M. Coulter USA: California Concow Creek, in Concow Meadow, about 3 (air... L. Ahart 6899 1992-8-2
Isoetaceae GH: 00395358 Isoetes nuttallii A. Braun USA: California On the west side of Swedes Flat Road, about ... L. Ahart 20743 2016-4-15
Juncaceae GH: 02100066 Juncus brachyphyllus Wiegand USA: California [data not captured] L. Ahart 15,069 2008-7-9
GH: 02100574 Juncus bufonius Linnaeus USA: California [data not captured] L. Ahart 14,803 2008-5-30
GH: 02100803 Juncus bufonius occidentalis F. J. Hermann USA: California [data not captured] L. Ahart 5134 1985-7-11
GH: 02101666 Juncus cyperoides Laharpe USA: California [data not captured] L. Ahart 2999 1981-7-24
GH: 00404901 Juncus effusus pacificus (Fernald & Wiegand) Piper & Beattie USA: California on the north side of a small wet area, about... L. Ahart 14289 2007-7-11
GH: 00395032 Juncus effusus exiguus Fernald & Wiegand USA: California T24N, R13E. northeast 1/4 Section 7. Meadow ... L. Ahart John Dittes, Josephine Gu... 14459 2007-8-10
GH: 00395198 Juncus ensifolius Wikström USA: California on the west side of the dirt road, about one... L. Ahart 19735 2014-8-24
GH: 00364849 Juncus hemiendytus F. J. Hermann USA: California Below the high water line of Little Grass Va... L. Ahart 5135 1985-7-11
GH: 00395365 Juncus hemiendytus F. J. Hermann USA: California T38N, R8E, southwest 1/4 Section 22. West ed... L. Ahart John Dittes 20882 2016-5-30
GH: 00395368 Juncus hemiendytus F. J. Hermann USA: California T20N, R7E, north 1/2 Section 4. In the middl... L. Ahart 20882 2016-5-30
GH: 00029654 Juncus leiospermus ahartii Ertter USA: California Peter Ahart Ranch, ca. 2 miles north and 0.5... L. Ahart 3402 1982-5-1
GH: 02399192 Juncus occidentalis (Coville) Wiegand USA: California [data not captured] L. Ahart 17,335 2010-9-21
GH: 00404905 Juncus tenuis Willdenow USA: California east side of the restroom, at the parking ar... L. Ahart 14244 2007-7-2
GH: 02398913 Juncus tenuis Willdenow USA: California [data not captured] L. Ahart 15,914 2009-6-18
GH: 02398912 Juncus tenuis Willdenow USA: California [data not captured] L. Ahart John Dittes 16,390-D 2009-9-7
GH: 02398910 Juncus tenuis Willdenow USA: California [data not captured] L. Ahart 2637 1980-9-10
GH: 00395366 Juncus tiehmii Ertter USA: California T38N, R8E, southwest 1/4 Section 22. West ed... L. Ahart John Dittes 20882 2016-5-30
GH: 00404907 Juncus triformis Engelmann USA: California west of a high ridge on Big Bald Rock, about... L. Ahart 14062 2007-6-12
GH: 00421749 Juncus trilocularis Zika USA: California about 70 yards south of Bean Creek Road, abo... L. Ahart 14077 2007-6-12
GH: 02396035 Juncus trilocularis Zika USA: California [data not captured] L. Ahart 14,814 2008-6-13
GH: 00395367 Juncus uncialis Greene USA: California T37N, R7E, northeast 1/4 Section 7. On old g... L. Ahart John Dittes 20882 2016-5-30
GH: 00404906 Juncus usitatus L. A. S. Johnson USA: California south of the wire fence, on the south side o... L. Ahart 14258 2007-7-7
GH: 00395031 Juncus usitatus L. A. S. Johnson USA: California T19N, R1E, southwest 1/4 Section 25. On the ... L. Ahart 14401 2007-7-31
Lamiaceae GH: 00404847 Mentha pulegium Linnaeus USA: California west side of North Honcut Creek, Peter Ahart... L. Ahart 8593 2000-7-17
GH: 00400511 Monardella breweri lanceolata (A. Gray) A. C. Sanders & Elvin USA: California along the Peterson Ridge Road, about 5 miles... L. Ahart 4273 1983-8-10
Lythraceae GH: 00403197 Ammannia coccinea Rottbøll USA: California T22N, R5W, northeast 1/4 Section 12. on the ... L. Ahart 18428 2012-8-24
GH: 00403196 Ammannia robusta Heer & Regel USA: California T22N, R5W, northeast 1/4 Section 12. on the ... L. Ahart 18429 2012-8-24
GH: 00404810 Lythrum salicaria Linnaeus USA: California T18N, R3E, northeast 1/4 Section 3. About 1/... L. Ahart 8598 2000-7-18
Malvaceae GH: 00403599 Malvella leprosa (Ortega) Krapovickas USA: California on the strand of Black Butte Reservoir (west... L. Ahart 18430 2012-8-24
Marsileaceae GH: 00246694 Marsilea vestita Hooker & Greville USA: California South side of road below the dam, ca. 1/8 mi... L. Ahart 4404 1983-9-4
GH: 00395364 Pilularia americana A. Braun USA: California Peter Ahart Ranch, about 1 1/2 miles north a... L. Ahart 20882 2016-5-30
Ophioglossaceae GH: 00424548 Ophioglossum californicum Prantl USA: California Joie Osood Ranch, ca. 4 miles NE of Honcut, ... L. Ahart 4496 1984-2-18
GH: 00424548 Ophioglossum lusitanicum californicum (Prantl) R. T. Clausen USA: California Joie Osood Ranch, ca. 4 miles NE of Honcut, ... L. Ahart 4496 1984-2-18
Orobanchaceae GH: 00395179 Castilleja affinis Hooker f. & Arnott USA: California on north side of Swedes Flat Road, about 300... L. Ahart 20047 2015-4-18
GH: 00395180 Castilleja affinis Hooker f. & Arnott USA: California on the north side of the Canyon Creek Trail,... L. Ahart 20167 2015-5-9
GH: 00395181 Castilleja applegatei pinetorum (Fernald) T. I. Chuang & Heckard USA: California on the east side of the road to the Forbesto... L. Ahart 20055 2015-4-18
GH: 00395182 Castilleja applegatei pinetorum (Fernald) T. I. Chuang & Heckard USA: California on the east side of the road to the Forbesto... L. Ahart 20055-A 2015-4-18
GH: 00395183 Castilleja applegatei pinetorum (Fernald) T. I. Chuang & Heckard USA: California on the east side of La Porte Road, about 2 1... L. Ahart 20135 2015-4-30
GH: 00395184 Castilleja applegatei pinetorum (Fernald) T. I. Chuang & Heckard USA: California on the east road bank, east side of the pave... L. Ahart 20242 2015-6-16
GH: 00395185 Castilleja applegatei pinetorum (Fernald) T. I. Chuang & Heckard USA: California on the north side of the paved road, about 1... L. Ahart 20291 2015-7-4
GH: 00395359 Castilleja applegatei pinetorum (Fernald) T. I. Chuang & Heckard USA: California On the west side of USFS Road 27N08, 1.0 mil... L. Ahart John Dittes 21048 2016-6-22
GH: 00395186 Castilleja attenuata (A. Gray) Chuang & Heckard USA: California along the south edge of Leesville Road, abou... L. Ahart 20005 2015-4-10
GH: 00395187 Castilleja foliolosa Hooker & Arnott USA: California along a small drainage, burned over in 2012,... L. Ahart 19988 2015-4-1
GH: 00395188 Castilleja foliolosa Hooker & Arnott USA: California on both sides of the poor dirt road, about 3... L. Ahart 20128 2015-4-30
GH: 00395189 Castilleja lacera (Bentham) Chuang & Heckard USA: California on the east side of Swedes Flat Road, about ... L. Ahart 20042 2015-4-18
GH: 00395190 Castilleja lacera (Bentham) Chuang & Heckard USA: California on the west side of Robinson Mill Road, abou... L. Ahart 20048 2015-4-18
GH: 00395191 Castilleja lacera (Bentham) Chuang & Heckard USA: California in a small dry meadow, about 100 yards south... L. Ahart 20193 2015-5-27
GH: 00395352 Castilleja lacera (Bentham) Chuang & Heckard USA: California T38N, R8E, southwest 1/4 Section 22. West of... L. Ahart John Dittes 20993 2016-6-7
GH: 00395192 Castilleja martini Abrams USA: California on the south side of Brim Road, about 2 mile... L. Ahart 20013 2015-4-10
GH: 00395193 Castilleja miniata Douglas ex Hooker USA: California on the west side of the paved road, about 1/... L. Ahart 20286 2015-7-4
GH: 00395194 Castilleja pruinosa Fernald USA: California on the southwest side of Rim Road, about 3 m... L. Ahart 20035 2015-4-13
GH: 00395195 Castilleja pruinosa Fernald USA: California on dry bare serpentine soil, about 1/4 mile ... L. Ahart 20119 2015-4-30
GH: 00395196 Castilleja pruinosa Fernald USA: California on the north side of the Canyon Creek Trail,... L. Ahart 20183 2015-5-9
GH: 00395186 Orthocarpus attenuata A. Gray USA: California along the south edge of Leesville Road, abou... L. Ahart 20005 2015-4-10
GH: 00395191 Orthocarpus lacerus Bentham USA: California in a small dry meadow, about 100 yards south... L. Ahart 20193 2015-5-27
Plantaginaceae GH: 00404843 Veronica hederifolia Linnaeus USA: California in a lawn, about 1/4 mile north of Faris Roa... L. Ahart 7713 1997-3-21
Poaceae GH: 00341312 Agrostis semiverticillata (Forsskål) C. Christensen USA: California North Fork of the Feather River, near the Po... L. Ahart 5700 1987-5-27
GH: 00404850 Panicum acuminatum Swartz USA: California about 2 1/2 miles north-east of Bald Mountai... L. Ahart 7122 1993-7-29
GH: 00404960 Panicum acuminatum Swartz USA: California on the bottom of the water holding pond, abo... L. Ahart John Dittes & Josephine G... 9817 2002-7-2
Polemoniaceae GH: 01083768 Allophyllum divaricatum (Nuttall) A. D. Grant & V. E. Grant USA: California At the Ponderosa Dam, ca. 2 mi NW of Forbest... L. Ahart 4673 1984-6-8
Polygonaceae GH: 02043935 Eriogonum umbellatum ahartii Reveal USA: California [data not captured] L. Ahart 5164 1985-8-15
GH: 00403680 Persicaria amphibia (Linnaeus) Delarbre USA: California Black Butte Reservoir (west side), about 3 m... L. Ahart 18424 2012-8-24
GH: 00404815 Persicaria lapathifolia (Linnaeus) Delarbre USA: California T26N, R9E, norhtwest 1/4 Section 15. on the ... L. Ahart 9373
GH: 00404849 Polygonum arenastrum Boreau USA: California along the fence, east of the cow chute and o... L. Ahart 8035 1998-7-1
GH: 00404815 Polygonum lapathifolium Linnaeus USA: California T26N, R9E, norhtwest 1/4 Section 15. on the ... L. Ahart 9373
GH: 02007263 Polygonum polygaloides kelloggii (Greene) J. C. Hickman USA: California [data not captured] L. Ahart 2975 1981-7-21
GH: 02004216 Rumex triangulivalvis (Danser) K. H. Rechinger USA: California [data not captured] L. Ahart 4675 1984-6-8
Rosaceae GH: 00421964 Cotoneaster lactea W. W. Smith USA: California about 25 yards west of the Freeway, 70 yards... L. Ahart 18223 2012-6-21
Rubiaceae GH: 00404814 Galium parisiense Linnaeus USA: California T24N, R7W, near center, west border, Section... L. Ahart 8784 2001-6-8
GH: 00417060 Galium trifidum subbiflorum (Wiegand) Puff (Wiegand) Puff USA: California About 4 1/4 miles north-east of La Porte L. Ahart 5104 1985-7-3
GH: 00404848 Galium trifidum columbianum (Rydberg) Hultén USA: California along Fall Creek, about 1/8 mile east of whe... L. Ahart 8636 2000-8-10
GH: 00417060 Galium trifidum subbiflorum Wiegand USA: California About 4 1/4 miles north-east of La Porte L. Ahart 5104 1985-7-3
GH: 00404848 Galium trifidum pacificum Wiegand USA: California along Fall Creek, about 1/8 mile east of whe... L. Ahart 8636 2000-8-10
Santalaceae GH: 00381591 Comandra umbellata californica (Rydberg) Piehl USA: California East along the dirt road, about 1/2 mile nor... L. Ahart 4983 1985-5-15
Saxifragaceae GH: 00404958 Mitella breweri A. Gray USA: California north-east of Frenchman Hill, south-west of ... L. Ahart 7544 1994-7-28
Violaceae GH: 00395362 Viola glabella Nuttall USA: California T22N, R8E, northwest 1/4 Section 25. About 3... L. Ahart 20910 2016-6-2
