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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
SBBG92153
Abronia villosa
D. F. Howe
1980-4-13
Imperial
Hwy 8, 9 mi E of Holtville
Comment
SD128659
Abronia villosa var. villosa
Darley F. Howe
1980-4-13
Imperial
9 miles east of Holtville on Highway 8
Comment
SD63821
Adenophyllum porophylloides
Darley F. Howe
1966-4-23
4184
Imperial
39.5 miles south of Blythe on road to Glamis.
Comment
SDSU6837
Adenophyllum porophylloides
D. F. Howe
1966-4-23
4184
Imperial
39.4 miles south of Blythe on road to Glamis
Comment
SD114215
Aliciella latifolia
Darley F. Howe
1941-3-22
1053
Imperial
West end of Yuha road.
Comment
SBBG34831
Ambrosia dumosa
D. F. Howe
1980-4-13
Imperial
Hwy 8, 7 mi E of Holtville
Comment Read comments Feb 3 2011
SD128724
Ambrosia dumosa
Darley F. Howe
1980-4-13
Imperial
7 miles east of Holtville on Highway 8
Comment
SBBG92173
Aristida californica
D. F. Howe
1980-4-13
Imperial
Hwy 8, 6 mi E of Holtville
Comment
SD128640
Aristida californica var. californica
Darley F. Howe
1980-4-13
Imperial
6 miles east of Holtville on Highway 8.
Comment
SD128698
Asclepias subulata
Darley F. Howe
1980-4-13
Imperial
1 mile west of agricultural inspection station on Highway 8
Comment
UCR107218
Asclepias subulata
D. F. Howe
1980-4-13
s.n.
Imperial
Sonoran (Colorado) Desert, 1 mi. west of agricultural inspection station on Hwy 8.
Comment
SD43732
Astragalus aridus
Darley F. Howe
1949-3-19
1981
Imperial
Between Holtville and Yuma.
Comment
SD113744
Astragalus crotalariae
Darley F. Howe
1940-3-8
976
Imperial
Colorado Desert west of Dixieland
Comment
SD44152
Astragalus lentiginosus var. borreganus
Darley F. Howe
1950-3-19
2057
Imperial
Between Holtville and Yuma.
Comment
SDSU7912
Astragalus lentiginosus var. borreganus
D. F. Howe
1949-3-19
2057
Imperial
Hghway between Holtiville and Yuma.
Comment
SD60977
Astragalus magdalenae var. peirsonii
D. F. Howe
1964-4-11
3757
Imperial
Sandhills, 22.3 mi east of Brawley on rd. to Glamis (mak 10/07)
121
Comment
SDSU7917
Astragalus magdalenae var. peirsonii
D. F. Howe
1964-4-11
3757
Imperial
Sand dunes 22.3 miles east of Brawley on road to Glamis.
Comment
CAS-BOT-BC178062
Astragalus nuttallianus
John Thomas Howell
1928-3-24
s.n.
Imperial
35 miles south of Indio and 5 miles west of highway.
Comment
SD128736
Baileya pauciradiata
Darley F. Howe
1980-4-14
Imperial
19 miles east of Brawley on Highway 78. (IPB 10/07)
Comment
SEINET5710349
Baileya pauciradiata
D. F. Howe
1980-1
s.n.
Imperial
19 miles est of Brawley on Hwy 78.; Brawley
Comment
RSA506758
Brassica tournefortii
D. F. Howe
1980-4-14
s.n.
Imperial
19 miles east of Brawley on Highway 78.
Comment
SBBG92197
Brassica tournefortii
D. F. Howe
1980-4-14
Imperial
19 mi E of Brawley on St Hwy 78
Comment
SD128663
Brassica tournefortii
Darley F. Howe
1980-4-14
Imperial
19 miles east of Brawley, on Highway 78. (IPB 10/07)
Comment
UCR62088
Brassica tournefortii
D. F. Howe
1980-4-14
s.n.
Imperial
Sonoran (Colorado) Desert, 19 mi east of Brawley on Hwy 78
Comment
SD113975
Calandrinia ambigua
Darley F. Howe
1958-3-30
2597
Imperial
1.5 mi. south of a point on #98, 12 mi east of junction with #80
Comment
SD43746
Calandrinia ambigua
Darley F. Howe
1949-3-19
1956
Imperial
Andrade
Comment
SD61004
Calliandra eriophylla
Darley F. Howe
1964-4-11
3759
Imperial
13.0 miles from Glamis on road to Blythe.
182
Comment
SD61005
Calliandra eriophylla
Darley F. Howe
1964-4-12
3760
Imperial
4.2 miles north of Ogilby
60
Comment Read comments May 5 2011
SDSU7739
Calliandra eriophylla
D. F. Howe
1964-4-12
3760
Imperial
4.2 miles north of Ogilby.
Comment
SDSU7745
Calliandra eriophylla
D. F. Howe
1964-4-11
3759
Imperial
13 miles north of Glamis on road to Blythe.
Comment
RSA53774
Camissonia brevipes subsp. arizonica
D. F. Howe
1949-3-19
s.n.
Imperial
Andrade.
Comment
SD114273
Castela emoryi
Darley F. Howe
1958-4-27
2926
Imperial
On #98 nine miles east of junction with #80
Comment
RSA2587
Cercidium floridum
J. T. Howell
1928-6-8
976
Imperial
Along Hwy., West side of the Salton Sea.
Comment
SD113072
Chaenactis carphoclinia var. carphoclinia
Darley F. Howe
1958-4-27
2632
Imperial
1.5 miles south of a point on Hwy 98 12 miles east of junction with Hwy 80
Comment
SD113080
Chaenactis stevioides
Darley F. Howe
1958-3-30
2594
Imperial
1.5 miles south of a point on Highway 98, 12 miles east of junction with Highway 80.
Comment
SD128739
Chaenactis stevioides
Darley F. Howe
1980-4-14
Imperial
19 miles east of Brawley on Highway 78 near sand dunes.
Comment
UCD130395
Chaenactis stevioides
D. F. Howe
1980-4-15
s.n.
Imperial
1 mile west of Mesa Verde, McCoy Mountains, Highway 10.
Comment Read comments Jul 9 2015
SD136158
Chorizanthe brevicornu var. brevicornu
Melanie Howe, R. Garcia, K. Marsden
1994-3-19
383
Imperial
Yuha Desert. Near Crucifiction Thorn Natural Area. West of SR-98
Comment
SD114254
Chorizanthe corrugata
Darley Howe
1941-3-22
1060
Imperial
West end of Yuha Road
Comment
SD43745
Chorizanthe rigida
Darley F. Howe
1949-3-19
1955
Imperial
Andrade
Comment
SDSU4930
Chorizanthe rigida
D. F. Howe
1949-3-10
1955
Imperial
Andrade.
Comment
SD43754
Chylismia brevipes subsp. arizonica
Darley F. Howe
1949-3-19
1946
Imperial
Andrade
Comment
SDSU8599
Chylismia brevipes subsp. arizonica
D. F. Howe
1949-3-19
1946
Imperial
Andrade, Imperial Co.
Comment
SD43766
Chylismia claviformis subsp. aurantiaca
Darley F. Howe
1949-3-19
1977
Imperial
Andrade.
Comment
SD128693
Chylismia claviformis subsp. yumae
Darley F. Howe
1980-4-14
Imperial
17.5 miles east of Brawley, on Highway 78.
Comment
SDSU8594
Chylismia claviformis subsp. yumae
D. F. Howe
1949-3-19
1977
Imperial
Andrade, Imperial Co.
Comment
RSA53987
Cistanthe ambigua
D. F. Howe
1949-3-19
s.n.
Imperial
Andrade.
Comment
SDSU9747
Cistanthe ambigua
D. F. Howe
1949-5-19
1956
Imperial
Andrade, Imperial Co.
40
Comment
SD113298
Cryptantha angustifolia
Darley F. Howe
1964-3-22
3728
Imperial
Northwest corner of Imperial County
Comment
SD113299
Cryptantha angustifolia
Darley F. Howe
1949-3-19
2060
Imperial
Andrade
Comment
SD113300
Cryptantha angustifolia
Darley F. Howe
1941-3-22
1227
Imperial
Yuma Road, east of Holtville, Colorado Desert
Comment
SBBG92249
Cryptantha maritima
D. F. Howe
1980-4-14
Imperial
St Hwy 78, 17.5 mi E of Brawley
Comment
SD114458
Datura discolor
Darley F. Howe
1960-3-2
2828
Imperial
Dry wash, 2.5 miles west of a point on [Highway] #98, 9.5 miles southeast of junction with [Highway] #80. (IPB 10/07)
Comment
SD113173
Dicoria canescens
Darley F. Howe
1964-11-8
4020
Imperial
Sand dunes 23.1 miles east of Brawley on road to Glamis.
Comment
SD61068
Dicoria canescens
Darley F. Howe
1964-8-11
Imperial
23.1 miles east of Brawley.
Comment
SBBG92154
Distichlis spicata
D. F. Howe
1980-4-14
Imperial
St Hwy 78, 17.5 mi E of Brawley
Comment
SD128641
Distichlis spicata
Darley F. Howe
1980-4-14
Imperial
17.5 miles east of Brawley, on Highway 78
Comment
RSA53905
Ephedra trifurca
D. F. Howe
1949-3-19
s.n.
Imperial
Between Holtvill and Yuma.
Comment Read comments Apr 12 2013
SBBG92550
Ephedra trifurca
D. F. Howe
1980-4-14
Imperial
St Hwy 78, 17.5 mi E of Brawley
Comment
SD112331
Ephedra trifurca
Darley F. Howe
1949-3-19
1976
Imperial
Between Holtville and Yuma
Comment
SD112332
Ephedra trifurca
Darley F. Howe
1949-3-19
1975
Imperial
Between Holtville and Yuma
Comment
SD128638
Ephedra trifurca
Darley F. Howe
1980-4-14
Imperial
17.5 miles east of Brawley on Highway 78
Comment
SD43743
Ephedra trifurca
Darley F. Howe
1949-3-19
Imperial
Between Holtville and Yuma
Comment
RSA53778
Eremalche rotundifolia
D. F. Howe
1949-3-19
s.n.
Imperial
Andrade.
Comment
SD43748
Eremalche rotundifolia
Darley F. Howe
1949-3-19
1971
Imperial
Andrade.
Comment
SDSU8130
Eremalche rotundifolia
D. F. Howe
1949-5-19
1971
Imperial
Andrade, Imperial Co.
Comment
SD61060
Eriogonum deserticola
Darley F. Howe
1964-8-11
4019
Imperial
Sand dunes, 23.1 mi. east of Brawley on road to Glamis
Comment
SD62113
Eriogonum deserticola
Darley F. Howe
1965-5-13
4030
Imperial
In sand dunes, 23.1 miles east of Brawley on road to Glamis
Comment
SDSU6514
Eriogonum deserticola
D. F. Howe
1964-11-8
4019
Imperial
Sand dunes 23.1 miles east of Brawley on road to Glamis.
Comment
SDSU6579
Eriogonum deserticola
D. F. Howe
1965-5-13
4030
Imperial
Sand dunes 23.1 miles east of Brawley.
Comment
SD113959
Erodium texanum
Darley F. Howe
1958-4-14
2631
Imperial
Northwest corner of Imperial County
Comment
SD37188
Eucrypta micrantha
Darley F. Howe
1941-3-22
1262
Imperial
Near Coyote Wells
Comment Read comments Oct 9 2010
SD136117
Fagonia laevis
Melanie Howe, R. M. Garcia
1994-1-17
376
Imperial
Near intersection of SR-78 and S34, common in open areas around intersection. (IPB 10/07)
Comment
SD114503
Fagonia pachyacantha
Darley F. Howe
1941-3-22
1064
Imperial
West part of Imperial Co.
Comment
SD114224
Gilia stellata
Darley F. Howe
1958-3-30
2591
Imperial
2.0 miles below 2000 foot level on Mt. Springs Grade.
Comment
SD60974
Helianthus niveus subsp. tephrodes
Darley F. Howe
1964-4-11
3758
Imperial
22.3 miles east of Brawley on road to Glamis.
120
Comment
SDSU4541
Helianthus niveus subsp. tephrodes
D. F. Howe
1964-4-11
3758
Imperial
22.3 miles east of Brawley on road to Glamis.
Comment
SD112577
Isocoma acradenia var. eremophila
Darley F. Howe
1958-10-12
2683
Imperial
3.4 miles below 2,000 foot mark on Mountain Springs Grade.
Comment
SD128711
Johnstonella angustifolia
Darley F. Howe
1980-4-14
Imperial
17.5 miles east of Brawley, on Highway 78.
Comment
SDSU3127
Langloisia setosissima
D. F. Howe
1949-3-10
2072
Imperial
Andrade, Imperial County.
40
Comment
SD114236
Langloisia setosissima subsp. setosissima
Darley F. Howe
1941-3-22
1272
Imperial
West end of Yuha road.
Comment
SD44158
Langloisia setosissima subsp. setosissima
Darley F. Howe
1950-3-19
2072
Imperial
Andrade
Comment
SD113813
Linanthus jonesii
Darley F. Howe
1941-3-22
1055
Imperial
On #98 near the southwest corner of Imperial County
Comment
SD114235
Loeseliastrum schottii
Darley F. Howe
1949-3-19
Imperial
Highway between Holtville & Yuma
Comment
SEINET10485002
Lupinus brevior
Howe
1980-4-15
HOWE s.n.
Imperial
Imperial co.: 1 Mi. W of mesa verde, south slope of mccoy mountains, hwy 10.
Comment
SD114450
Lycium brevipes
Darley F. Howe
1949-3-19
1954
Imperial
Near Seeley. (IPB 10/07)
Comment
SD37243
Malperia tenuis
Darley F. Howe
1939-3-22
1257
Imperial
Hillside, Yuha Road, near west end. (IPB 10/07)
Comment
SDSU4778
Malperia tenuis
D. F. Howe
1941-3-22
1257
Imperial
Near west end of Yuha road.
Comment
SD113281
Mentzelia albicaulis
Darley F. Howe
1949-3-19
1974
Imperial
Yuha Road, western Colorado Desert.
Comment
SD128689
Mentzelia longiloba var. longiloba
Darley F. Howe
1980-4-14
Imperial
19 miles east of Brawley on Highway 78
Comment
SEINET889859
Mentzelia longiloba var. longiloba
D. F. Howe
1980-1
Imperial
19 miles east of Brawley on Highway 78
Comment
SD128694
Oenothera deltoides
Darley F. Howe
1980-4-14
Imperial
19 miles east of Brawley on Highway 78
Comment
SD114107
Orobanche cooperi
Darley F. Howe
1964-3-22
3729
Imperial
Northwest corner of Imperial County.
Comment
SD114108
Orobanche cooperi
Darley F. Howe
1958-3-30
2596
Imperial
2.5 miles south of a point on #98, 12 miles east of junction with #80.
Comment
SEINET5707785
Palafoxia arida
D. F. Howe
1980-1
s.n.
Imperial
17.5 miles east of Brawley on Highway 78.; Brawley
Comment
SD128761
Palafoxia arida var. arida
Darley F. Howe
1980-4-13
Imperial
9 miles east of Holtville on Highway 8
Comment
SD128762
Palafoxia arida var. gigantea
Darley F. Howe
1980-4-14
Imperial
17.5 miles east of Brawley on Highway 78
Comment
SD60969
Palafoxia arida var. gigantea
Darley F. Howe
1964-4-11
3756
Imperial
22.3 miles east of Brawley, on road to Glamis. (IPB 10/07)
120
Comment
SDSU369
Palafoxia arida var. gigantea
D. F. Howe
1964-4-11
3756
Imperial
22.3 east of Brawley on road to Glamis.
94
Comment
SD128671
Parkinsonia florida
Darley F. Howe
1980-4-13
Imperial
3 miles south of Highway 8 on Andrade Road
Comment
UCR61926
Parkinsonia florida
D. F. Howe
1980-4-13
s.n.
Imperial
Sonoran (Colorado) Desert, 3 miles south of Highway 8 on Andrade Road
38
Comment
SD112713
Pectis papposa
Darley F. Howe
1941-3-22
1258
Imperial
Desert east of Holtville
Comment
UCR99821
Penstemon clevelandii
Melanie Howe
1997-4-5
3892
Imperial
Peninsular Range, Jacumba Natural Area: east of Jacumba: Inkopah Mtns: region near Valley of the Moon
900
Comment
SD113322
Phacelia crenulata var. ambigua
Darley F. Howe
1949-3-19
2064
Imperial
Andrade
Comment
SD113323
Phacelia crenulata var. ambigua
Darley F. Howe
1958-4-14
2630
Imperial
Northwest corner of Imperial County.
Comment
SD113340
Phacelia crenulata var. minutiflora
Darley F. Howe
1949-3-19
2067
Imperial
Yuha Road, southwest Colorado Desert
Comment
SD37186
Phacelia pediculoides
D. F. Howe
1941-3-21
1264
Imperial
Yuma Road east of Holtville
Comment
RSA172241
Pholisma sonorae
D. F. Howe
1964-5-13
s.n.
Imperial
5 miles W of Glamis
Comment
RSA446406
Pholisma sonorae
D. F. Howe
1964-5-13
10193
Imperial
5 miles W of Glamis
Comment
SDSU8108
Pholisma sonorae
D. F. Howe
1964-4-12
3761
Imperial
22.3 miles east of brawley on road to Glamis.
Comment
SD128763
Pluchea sericea
Darley F. Howe
1980-4-13
Imperial
3 miles south of Highway 8 on Andrade Road
Comment
SD128771
Pluchea sericea
Darley F. Howe
1980-4-13
Imperial
2 miles west of California-Arizona state line on Highway 8
Comment
UCR61925
Pluchea sericea
D. F. Howe
1980-4-13
s.n.
Imperial
Sonoran (Colorado) Desert, 3 miles south of Highway 8 on Andrade Road
38
Comment
SBBG92156
Prosopis glandulosa var. torreyana
D. F. Howe
1980-4-13
Imperial
Andrade Rd, 3 mi S of Hwy 8
Comment
SD128673
Prosopis glandulosa var. torreyana
Darley F. Howe
1980-4-13
Imperial
3 miles south of Highway 8 on Andrade Road
Comment
RSA2639
Psorothamnus emoryi
J. T. Howell
1928-6-8
974
Imperial
Along Hwy., West side of the Salton Sea.
Comment
SD136190
Psorothamnus emoryi
Melanie Howe, F. Awbrey, D. Hunsaker
1993-10-29
360
Imperial
West of Shell Canyon Road, south of landfill, along dirt road paralleling power lines leading to S2. (IPB 10/07)
182
Comment
UC484112
Psorothamnus emoryi
J. T. Howell
1928-6-8
975
Imperial
along highway on w side Salton Sea , w side Salton Sea (Colorado Desert)
Comment
SD113620
Psorothamnus spinosus
Darley F. Howe
1941-7-10
1186
Imperial
Mountain Springs Grade at the foot of grade (mak 7/06)
Comment
SD114300
Salix gooddingii
Darley F. Howe
1941-3-22
1313
Imperial
Along canal east of Calipatria
Comment
RSA506747
Schismus arabicus
D. F. Howe
1980-4-13
S.N.
Imperial
Imperial County, 9 miles E of Holtwille on Hwy 9
Comment
SBBG92245
Schismus arabicus
D. F. Howe
1980-4-13
Imperial
Hwy 8, 9 mi E of Holtville
Comment
SD128642
Schismus arabicus
Darley F. Howe
1980-4-13
Imperial
9 miles east of Holtville, on Highway 8. (IPB 10/07)
Comment
SD112242
Schoenoplectus pungens
D. F. Howe
1941-3-22
1297
Imperial
Irrigation canal north of Calipatria.
Comment
SD112506
Senecio mohavensis
Darley F. Howe
1958-3-3
2592
Imperial
2.0 miles below 2000 foot level, Mountain Springs Grade.
Comment
SD29603
Spergularia marina
Darley F. Howe
1942-3-22
1202
Imperial
Near Calipatria. (IPB 10/07)
Comment
SDSU4527
Spergularia marina
D. F. Howe
1941-3-22
1202
Imperial
Near Calipatria.
Comment
SD128684
Sphaeralcea emoryi
Darley F. Howe
1980-4-13
Imperial
3 miles south of Highway 8 on Andrade Road
Comment
UCR61923
Sphaeralcea emoryi
D. F. Howe
1980-4-13
s.n.
Imperial
Sonoran (Colorado) Desert, 3 miles south of Highway 8 on Andrade Road
38
Comment
SD136219
Stillingia linearifolia
Melanie Howe, D. W. Allen
1994-3-30
390
Imperial
Along old Hwy 80 near Mountain Springs, under Hyptis emoryi next to concrete roadbed.
548
Comment
SD113871
Stillingia spinulosa
Darley F. Howe
1958-3-30
2595
Imperial
1.5 miles south of a point on Highway 98, 12 miles east of junction with Highway 80.
Comment
SD114514
Tamarix chinensis
Darley F. Howe
1958-4-27
2629
Imperial
Mountain Springs Grade, 1 mile below the 2000-foot level. (IPB 10/07)
Comment
SBBG92155
Tamarix ramosissima
D. F. Howe
1980-4-13
Imperial
Hwy 8, 2 mi W of California-Arizona state line
Comment
SD128687
Tamarix ramosissima
Darley F. Howe
1980-4-13
Imperial
2 miles west of California-Arizona state line, on Highway 8. (IPB 10/07)
Comment
SD112719
Trichoptilium incisum
Darley F. Howe
1964-3-15
3727
Imperial
2.6 miles west of a point on Highway 98, 10 miles from junction with Highway 80
Comment
SD63820
Trichoptilium incisum
Darley F. Howe
1966-4-23
Imperial
39.5 miles south of Blyth, on road to Wickenburg.
Comment
UC421624
Xylorhiza orcuttii
John Thomas Howell
1928-3-24
3490
Imperial
near Palm Wash; w. Colorado Desert
Comment