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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
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CAS-BOT-BC171496
Oenothera californica
C. W. Tilforth
1976-5-22
1208
Riverside
Common in vineyards and along Milliken Ave. in n.w. Riverside county.
Comment
CAS-BOT-BC235499
Keckiella antirrhinoides
C. W. Tilforth
1969-7-24
215
Riverside
Along Red Mountain Road, east of County Hiway R-3, south of Hemet
Comment
CLARK-A1528-513
Olneya tesota
C. W. Tilforth
1967-6-5
120
Riverside
Blythe
Comment
POM356688
Encelia farinosa var. farinosa
C. W. Tilforth
1967-2-11
101
Riverside
Desert Hot Springs.
335
Comment
RSA13779
Brickellia californica
C. W. Tilforth, John Dourley
1970-10-16
316
Riverside
Along and above intermittent stream bed, road to Santa Rosa Mtn.
Comment
RSA209539
Dicoria canescens subsp. hispidula
C. W. Tilforth
1969-11-23
239
Riverside
3 miles W of Desert Hot Springs.
Comment
RSA209583
Tamarix aphylla
C. W. Tilforth
1968-8-16
176
Riverside
Along dry Cork Springs Wash, near Interstate Hwy 10, c. 10 miles east of Desert Center in the Chuckwalla Valley, c. 500', eastern-central Riverside County.
152
Comment Read comments Jun 16 2013
RSA210968
Rhamnus ilicifolia
C. W. Tilforth
1969-7-24
212
Riverside
About 5 mi. south of Hemet, east of County Highway R-3.
Comment
RSA210969
Astragalus douglasii var. parishii
C. W. Tilforth
1969-7-25
228
Riverside
Arroyo Seco Creek, So. of Dripping Springs Camp Ground, c. 10 mi. E of Temecula.
Comment
RSA210970
Cercocarpus betuloides
C. W. Tilforth
1969-7-25
220
Riverside
North end of Coyote Canyon, SE of Anza.
Comment
RSA210973
Monardella lanceolata var. lanceolata
C. W. Tilforth
1969-7-24
214
Riverside
About 4 miles east of County Hwy R-3 on Red Mountain Road, south of Hemet.
Comment
RSA210976
Funastrum cynanchoides var. hartwegii
C. W. Tilforth
1969-7-25
217
Riverside
3/10 mi. n.w. of Aguaga, State hiway 79.
Comment Read comments Jun 16 2013
RSA210978
Keckiella antirrhinoides
C. W. Tilforth
1969-7-24
215
Riverside
Along Red Mountain ROad, east of County Hiway R-3, south of Hemet.
Comment
RSA210979
Argemone munita
C. W. Tilforth
1969-7-25
218
Riverside
Terwilliger Road. Terwilliger Valley, se of Anza
Comment
RSA210980
Nicotiana bigelovii var. wallacei
C. W. Tilforth
1969-7-27
230
Riverside
West of Lake Elsinore, at summit along Hiway 74.
Comment
RSA217837
Dudleya edulis
C. W. Tilforth
1978-8-17
s.n.
Riverside
1.9 mi. W of Murrieta along Murrieta-De Luz Rd.
Comment
RSA219213
Senecio flaccidus var. douglasii
C. W. Tilforth, John Dourley
1970-9-2
300
Riverside
South of Lake Fulmor, County Highway R1.
Comment
RSA219215
Eriogonum wrightii var. membranaceum
C. W. Tilforth, John Dourley
1970-10-16
322
Riverside
Santa Rosa Mountain
2287
Comment
RSA219218
Salvia pachyphylla subsp. pachyphylla
C. W. Tilforth, John Dourley
1970-9-2
297
Riverside
Exposed slopes at higher elevations along road to Santa Rosa Mtn.
Comment
RSA219220
Adenostoma sparsifolium
C. W. Tilforth, J. Dourley
1970-10-16
320
Riverside
Along State Highway 74 W of Mountain Center.
Comment
RSA219221
Solidago velutina subsp. californica
C. W. Tilforth, John Dourley
1970-10-16
317
Riverside
Road to Santa Rosa Mountain
Comment
RSA219223
Clematis ligusticifolia
C. W. Tilforth
1970-10-16
319
Riverside
Road to Santa Rosa Mountain
Comment
RSA219224
Lotus oblongifolius
C. W. Tilforth, John Dourley
1970-10-16
318
Riverside
Along road to Santa Rosa Mtn.
Comment
RSA219227
Corethrogyne filaginifolia
C. W. Tilforth, John Dourley
1970-9-2
302
Riverside
1 mile S of Lake Fulmor, hwy R1
Comment
RSA219228
Dieteria canescens var. ziegleri
C. W. Tilforth, John Dourley
1970-9-2
298
Riverside
Along road to santa Rosa Mountain
1524
Comment
RSA219237
Galium parishii
C. W. Tilforth
1970-9-2
303
Riverside
On road to Santa Rosa Mtn.
Comment
RSA219238
Gutierrezia sarothrae
C. W. Tilforth
1970-9-2
299
Riverside
Towards summit of Sant Rosa Mts
2287
Comment
RSA220378
Phoradendron californicum
C. W. Tilforth, John Dourley
1971-6-14
344
Riverside
Between Chiriaco Summit and Red Butte Wash, aong aqueeduct maintenance rd.
534
Comment
RSA220379
Marina parryi
C. W. Tilforth, John Dourley
1971-4-15
346
Riverside
Ca. 7 miles NNE of Desert Center, Valley floor SE of Eagle Mountains.
Comment
RSA220380
Baccharis salicifolia
C. W. Tilforth, John Dourley
1970-9-2
301
Riverside
5 miles S of Banning, County Hiway R1
Comment
RSA220385
Euphorbia polycarpa var. hirtella
C. W. Tilforth
1971-4-15
345
Riverside
C. 6 mi. n. w. of Desert Center, s. e. base of the Eagle Mtns.
Comment
RSA220386
Baccharis emoryi
C. W. Tilforth, John Dourley
1970-10-16
315
Riverside
1 mile W of Lake Mathews along Cajlco road
Comment
RSA220388
Senna armata
C. W. Tilforth, John Dourley
1921-4-14
343
Riverside
Pinto Basin, Joshua Tree National Monument.
Comment
RSA220393
Peucephyllum schottii
C. W. Tilforth, John Dourley
1971-4-15
347
Riverside
Ca. 7 miles NNE of Desert Center, Valley floor SE of Eagle Mountains.
Comment
RSA226335
Bebbia juncea
C. W. Tilforth, John Dourley
1971-8-17
438
Riverside
Cajalco Raod, 1.3 miles W of jct with La Sierra Road, W of Lake Mathews
412
Comment
RSA226500
Brickellia californica
C. W. Tilforth, John Dourley
1970-10-16
316
Riverside
Along and above intermittent stream bed, road to Santa Rosa Mtn.
Comment
RSA226505
Chorizanthe brevicornu var. brevicornu
C. W. Tilforth, John Dourley
1971-4-15
348
Riverside
Between Chiriaco Summit and Red Butte Wash along aqueduct maintenance road.
534
Comment
RSA226510
Eriogonum reniforme
C. W. Tilforth, John Dourley
1971-4-15
348
Riverside
Between Chiriaco Summit and Red Butte Wash along aqueduct maintenance road.
Comment
RSA226545
Cordylanthus rigidus subsp. setiger
C. W. Tilforth
1970-9-2
304
Riverside
Common at lower elevation along fire road to Santa Rosa Mountain.
Comment
RSA226627
Encelia farinosa var. farinosa
C. W. Tilforth, John Dourley
1971-8-17
437
Riverside
Cajalco Raod, 1.3 miles W of jct with La Sierra Road, W of Lake Mathews
412
Comment
RSA228825
Chorizanthe fimbriata
C. W. Tilforth
1969-7-27
229
Riverside
Along State Hiway 74, 9.4 west of jct. with Grand Ave., Lake Elsinore.
Comment
RSA239808
Eriogonum pusillum
C. W. Tilforth
1973-4-29
778
Riverside
Hwy 74, ca. 9 mi. S of bridge at base of Seven Level Hill, S of Palm Desert.
Comment
RSA239809
Mentzelia involucrata
C. W. Tilforth
1973-4-29
774
Riverside
2 miles S of Bridge at base of Seven Level Hill, S of Palm Desert, Hwy 74
457
Comment
RSA239811
Trichoptilium incisum
C. W. Tilforth
1973-4-29
776
Riverside
6 mi S. of bridge at base of Seven Level Hill, Highway 74, S. of Palm Desert.
610
Comment
RSA239812
Ericameria linearifolia
C. W. Tilforth
1973-4-29
780
Riverside
Along Hwy 74 between Alpine Village & Paradise Valley , 1 miles E of jct with Santa Rosa Mtns, fire road.
Comment
RSA239816
Perityle emoryi
C. W. Tilforth
1973-4-29
775
Riverside
2 miles S of Bridge at base of Seven Level Hill, S of Palm Desert, Hwy 74
457
Comment
RSA239852
Phacelia ambigua
C. W. Tilforth
1973-4-29
773
Riverside
2 miles S of Bridge at base of Seven Level Hill, S of Palm Desert, Hwy 74
457
Comment
RSA244346
Eriogonum fasciculatum var. foliolosum
C. W. Tilforth, John Dourley
1973-8-17
957
Riverside
Campus Ave. between Foothill Blvd. and Baseline Rd., Upland.
Comment Read comments Jun 22 2013
RSA244349
Gutierrezia californica
C. W. Tilforth
1973-8-17
958
Riverside
Campus Ave. between Foothill Blvd. & Baseline Rd., Upland.
Comment Read comments Jun 22 2013
RSA248048
Chilopsis linearis subsp. arcuata
C. W. Tilforth
1973-5-30
43577
Riverside
Colorado Desert: Mouth of Morongo Valley at N. end of Coachela Valley
549
Comment
RSA263880
Psathyrotes ramosissima
C. W. Tilforth
1976-7-20
1212
Riverside
Along power line road n.e. of Chiriaco Summit between Indio & Desert Center, Colorado Desert.
Comment
RSA263903
Asclepias subulata
C. W. Tilforth
1976-7-21
1220
Riverside
Along Hwy 195 in large sandy wash, 15 miles NE of Mecca
Comment Read comments May 29 2011
RSA263904
Ditaxis serrata var. californica
C. W. Tilforth
1976-7-20
1211
Riverside
Along power line road n.e. of Chiriaco Summit between Indio & Desert Center, Riverside County, CA. Colorado Desert.
Comment
RSA263905
Oenothera californica subsp. californica
C. W. Tilforth
1976-5-22
1208
Riverside
Along Miliken Ave. in NW Riverside Co.
Comment
RSA264146
Physalis crassifolia var. crassifolia
C. W. Tilforth, John Dourley, Walter Wisura
1977-5-20
1332
Riverside
2 miles south of Rice and Hwy 62 along Blythe-Rice Rd.
267
Comment
RSA264149
Nama hispida var. spathulata
C. W. Tilforth, John Dourley, Walter Wisura
1977-6-19
1329
Riverside
2 miles S of Rice and Hwy 62, along Blythe-Rice Rd.
267
Comment
RSA264150
Eriogonum thomasii
C. W. Tilforth, J. Dourley, W. Wisura
1977-5-20
1331
Riverside
2 miles south of Rice and Hwy 62 along Blythe-Rice Rd.
267
Comment
RSA264154
Achyronychia cooperi
C. W. Tilforth
1977-5-20
1330
Riverside
2 miles south of Rice and Hwy 62 along Blythe-Rice Rd.
267
Comment
RSA264426
Physalis crassifolia
C. W. Tilforth, Jeff Barnes
1976-7-20
1210
Riverside
Along power line road n.e. of Chiriaco Summit between Indio and Desert Center, Riverside County, CA. Colorado Desert.
Comment
RSA264427
Caesalpinia virgata
C. W. Tilforth, Jeff Barnes
1976-7-21
1221
Riverside
Painted Canyon, NE of Mecca.
Comment
RSA264428
Chilopsis linearis subsp. arcuata
C. W. Tilforth, Jeff Barnes
1976-7-20
1215
Riverside
Wash N of Power Line Road NE of Chiriaco Summit between Indio and Desert Center
Comment
RSA264429
Ziziphus obtusifolia var. canescens
C. W. Tilforth, Jeff Barnes
1976-7-20
1218
Riverside
Maniobra Valley, south of Chiriaco Summit. Between Indio and Desert Center.
Comment
RSA264430
Cercidium floridum
C. W. Tilforth, Jeff Barnes
1976-7-20
1216
Riverside
Wash N of Power Line Road NE of Chiriaco Summit between Indio and Desert Center
Comment
RSA264432
Petalonyx thurberi
C. W. Tilforth, Jeff Barnes
1976-7-21
1223
Riverside
Along Hwy 195 in large sandy wash, 15 miles NE of Mecca
Comment
RSA264433
Psorothamnus spinosus
C. W. Tilforth, Jeff Barnes
1976-7-21
1219
Riverside
Along Hwy 195 in large sandy wash, 15 miles NE of Mecca
Comment
RSA264557
Oenothera deltoides subsp. deltoides
C. W. Tilforth, J. Dourley, Walter Wisura
1977-5-19
1321
Riverside
Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road, between Arica Mtns & Rice Valley.
244
Comment
RSA264571
Mentzelia longiloba var. longiloba
C. W. Tilforth, John Dourley
1977-5-19
1323
Riverside
Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road, between Arica Mtns & Rice Valley.
244
Comment
RSA264579
Cucurbita palmata
C. W. Tilforth, John Dourley, W. Wisura
1977-5-19
s.n.
Riverside
Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road [Midland Rd].
266
Comment
RSA264580
Pectocarya penicillata
C. W. Tilforth
1977-3-6
1261
Riverside
0.3 miles E of El Cariso Forest Station, W of Lake Elsinore, Hgwy 74 & Forestry Rd. 6S06.
Comment
RSA264582
Camissonia boothii subsp. condensata
C. W. Tilforth, J. Dourley, Walter Wisura
1977-5-19
1327
Riverside
Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road [Midland Rd].
267
Comment
RSA267960
Lomatium dasycarpum subsp. dasycarpum
C. W. Tilforth, Dorothy Tilforth
1977-3-6
1263
Riverside
0.3 miles E of El Cariso Forest Station, W of Lake Elsinore, Hgwy 74 & Forestry Rd. 6S06.
Comment
RSA271141
Chaenactis carphoclinia var. carphoclinia
C. W. Tilforth, John Dourley, Walter Wisura
1977-5-19
1326
Riverside
Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road [Midland Rd].
266
Comment
RSA271146
Phoradendron villosum
C. W. Tilforth, John Dourley, Walter Wisura
1978-3-10
1505
Riverside
About 1/2 mi. east of El Cariso Forest Station along Ortega Hiway(74).
Comment
RSA271151
Coreopsis californica
C. W. Tilforth, Walter Wisura, John Dourley
1978-3-10
1502
Riverside
5 miles NW of Alberhill along Hwy 71.
366
Comment
RSA271436
Galium angustifolium subsp. angustifolium
C. W. Tilforth
1978-4-30
1573
Riverside
Low rounded hills east of Norco.
Comment
RSA271437
Camissonia ignota
C. W. Tilforth
1978-4-30
1579
Riverside
Low rounded hills east of Norco.
Comment
RSA271438
Eucrypta chrysanthemifolia
C. W. Tilforth
1978-4-30
1570
Riverside
Low rounded hills east of Norco.
Comment
RSA271841
Penstemon clevelandii subsp. connatus
C. W. Tilforth, Walter Wisura
1978-7-27
1670
Riverside
Along Hwy 74 at Bighorn Sheep Lookout above 7 Level Hill, south of Palm Desert
Comment
RSA271846
Calandrinia ciliata
C. W. Tilforth
1978-4-30
1580
Riverside
Low, rounded hills east of Norco.
Comment
RSA271847
Solanum umbelliferum
C. W. Tilforth
1978-4-30
1577
Riverside
Low rounded hills east of Norco.
Comment
RSA271855
Calystegia macrostegia subsp. intermedia
C. W. Tilforth
1978-4-30
1565
Riverside
Low rounded hills east of Norco
Comment
RSA271860
Mimulus aurantiacus var. pubescens
C. W. Tilforth
1978-4-30
1566
Riverside
Low rounded hills east of Norco.
Comment
RSA271870
Eleocharis palustris
C. W. Tilforth, Walter Wisura
1978-7-25
1648
Riverside
Stream parallel to Murrieta - De Luz Road, 1.9 mile west of Murrieta.
Comment
RSA271885
Allophyllum glutinosum
C. W. Tilforth, W. Wisura
1978-7-25
1650
Riverside
Along Murrieta- De Luz Rd., west of Murrieta.
Comment
RSA271886
Rhamnus ilicifolia
C. W. Tilforth, Walter Wisura
1978-7-25
1653
Riverside
Along Murrieta- De Luz Rd., west of Murrieta.
Comment
RSA271887
Antirrhinum nuttallianum subsp. nuttallianum
C. W. Tilforth
1978-4-30
1584
Riverside
Low rounded hills east of Norco.
Comment
RSA271888
Gilia angelensis
C. W. Tilforth
1978-4-30
1569
Riverside
Low rounded hills east of Norco.
Comment
RSA271891
Phacelia minor
C. W. Tilforth
1978-4-30
1563
Riverside
Low, rounded hills east of Norco.
Comment
RSA272177
Phacelia distans
C. W. Tilforth
1978-4-30
1567
Riverside
Low, rounded hills east of Norco.
Comment
RSA272179
Apiastrum angustifolium
C. W. Tilforth
1978-4-30
1571
Riverside
Low rounded hills east of Norco.
Comment
RSA272180
Lupinus sparsiflorus subsp. sparsiflorus
C. W. Tilforth
1978-4-30
1568
Riverside
Low rounded hills east of Norco.
Comment
RSA272184
Filago californica
C. W. Tilforth
1978-4-30
1581 b
Riverside
Low, rounded hills east of Norco
Comment
RSA272185
Filago californica
C. W. Tilforth
1978-4-30
1581 a
Riverside
Low, rounded hills east of Norco
Comment
RSA272185A
Stylocline gnaphaloides
C. W. Tilforth
1978-4-30
1581 a
Riverside
Low, rounded hills east of Norco
Comment
RSA273007
Cyperus erythrorhizos
C. W. Tilforth, Walter Wisura
1978-10-6
1714
Riverside
Lake Skinner, north-east of Temecula
451
Comment Read comments Apr 30 2011
RSA273009
Epilobium canum subsp. canum
C. W. Tilforth
1978-10-6
1712
Riverside
About 2 miles south-west of Murrieta in small canyon along road to De Luz.
Comment
RSA278302
Ceanothus tomentosus var. olivaceus
C. W. Tilforth, Walter Wisura
1979-5-23
1804 B
Riverside
Murrieta-DeLuz Rd., ca. 2 air miles south of Murrieta.
335
Comment
RSA278306
Tetradymia comosa
C. W. Tilforth, E. W. Lathrop, Walter Wisura
1979-6-27
1813
Riverside
Murrieta-DeLuz Rd., ca. 2 air miles south of Murrieta
Comment
RSA278308
Delphinium parryi
C. W. Tilforth, Walter Wisura
1979-5-23
1805
Riverside
Murrieta-DeLuz Rd., ca. 2 air miles south of Murrieta.
335
Comment
RSA278309
Lupinus bicolor subsp. microphyllus
C. W. Tilforth, Walter Wisura
1979-11-4
1768
Riverside
Murrieta- Deluz Rd., 2 air miles south of Murrieta.
335
Comment
RSA278310
Trifolium albopurpureum
C. W. Tilforth, Walter Wisura
1979-4-11
1785
Riverside
Hills on south side of Lake Skinner, east of Murrieta.
427
Comment
RSA278313
Gilia capitata subsp. abrotanifolia
C. W. Tilforth
1979-5-18
1799
Riverside
Alo Hwgy 243, 3.5 miles south of Banning at turn-off to Mt. Edna.
Comment
RSA278317
Chaenactis glabriuscula var. glabriuscula
C. W. Tilforth, B. Busenberg
1979-5-18
1800
Riverside
Alo Hwgy 243, 3.5 miles south of Banning at turn-off to Mt. Edna.
Comment
RSA278318
Lupinus succulentus
C. W. Tilforth
1979-4-11
1788
Riverside
Hills on south side of Lake Skinner, east of Murrieta.
427
Comment
RSA278320
Ceanothus tomentosus var. olivaceus
C. W. Tilforth, Walter Wisura
1979-5-23
1804 A
Riverside
Murrieta-DeLuz Rd., ca. 2 air miles south of Murrieta.
335
Comment
RSA278321
Antirrhinum nuttallianum subsp. nuttallianum
C. W. Tilforth, Walter Wisura
1979-5-23
1803
Riverside
Murrieta-DeLuz Rd., ca. 2 air miles south of Murrieta.
335
Comment
RSA282756
Lupinus excubitus var. austromontanus
C. W. Tilforth, B. Busenberg
1980-6-10
1995
Riverside
Ca. 1/2 mile south of Thomas Mtn Campground, at summit of Thomas Mtn. Rd. , west of Hwy 74 and south of Lake Hemet.
2043
Comment
RSA282757
Leptosiphon lemmonii
C. W. Tilforth, B. Busenberg
1980-10-6
1975
Riverside
0.1 miles in from Highway 74 on north leg of Thomas Mtn. Rd., 1 mile south of /lake Hemet.
Comment
RSA282759
Hulsea heterochroma
C. W. Tilforth, B. Busenberg
1980-6-10
1986
Riverside
2.2 miles in on N leg of Thomas Mtn Road, W of Hwy 74 and S of Lake Hemet.
Comment
RSA282762
Eriophyllum wallacei
C. W. Tilforth, B. Busenberg
1980-6-10
1984
Riverside
1.9 miles in from Hwy 74 on N leg of Thomas Mtn Raod, 1 mile S of Lake Hemet.
1494
Comment
RSA282769
Chorizanthe fimbriata
C. W. Tilforth
1979-6-27
1814
Riverside
Murrieta-DeLuz Rd., ca. 2 air miles south of Murrieta
Comment
RSA282770
Arctostaphylos glandulosa var. adamsii
C. W. Tilforth, W. Wisura
1979-8-8
1891
Riverside
Along Hiway 243, 5.6 mi. south of jct. with Hiway 10, s. of Banning.
1037
Comment
RSA282775
Mentzelia congesta
C. W. Tilforth, B. Busenberg
1980-10-6
1994
Riverside
Ca. 1/2 mi. north of Thomas Mtn. Campground, along Thomas Mtn. Rd., south of Lake Hemet, west of Highway 74.
Comment
RSA282777
Lepidium virginicum var. pubescens
C. W. Tilforth, B. Busenberg
1980-6-17
2015
Riverside
Along Thomas Mtn Rd at 5450 feet, south of Lake Hemet, west of Hwy 74.
1662
Comment
RSA282778
Argemone munita subsp. munita
C. W. Tilforth, B. Busenberg
1980-6-17
2023
Riverside
South end of Thomas Mtn. Rd. south of Lake Hemet, west of Highway 74. At large square telephone signal reflector panel.
Comment
RSA282787
Leptosiphon lemmonii
C. W. Tilforth, B. Busenberg
1980-10-6
1989
Riverside
Small moist wash 3.8 miles in from Highway 74 along Thomas Mtn. Road, south of Hemet.
Comment
RSA282788
Pentachaeta aurea
C. W. Tilforth, B. Busenberg
1980-7-10
1977
Riverside
0.1 mile in form Hwy 74 on north leg of Thomas Mountain Rd., 1 mile south of Lake Hemet
1387
Comment
RSA282789
Lupinus concinnus subsp. optatus
C. W. Tilforth, B. Busenberg
1980-4-10
1985
Riverside
Along north leg of Thomas Mtn. Rd, south of Lake Hmet, Hwy 74.
Comment
RSA282790
Chaenactis glabriuscula var. glabriuscula
C. W. Tilforth, B. Busenberg
1980-6-10
1990
Riverside
3.8 miles in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet.
Comment
RSA282791
Penstemon spectabilis
C. W. Tilforth, B. Busenberg
1980-6-10
1982
Riverside
1.0 mi. from Hwy 74 on north leg of Thomas Mtn. Rd., south of Lake Helmet.
Comment
RSA282792
Galium andrewsii subsp. andrewsii
C. W. Tilforth, B. Busenberg
1980-6-10
1983
Riverside
Along Thomas Mtn. Rd., west of Hwy 74 andGrown in Botanic Garden from seed collected Aug. 21,1952, by P.A.Munz and E.K.Balls, 1 mi. w. of Fuller Mill Creek, Banning-Idyllwild. south of Lake Hemet.
Comment
RSA282793
Mimulus diffusus
C. W. Tilforth, B. Busenberg
1980-6-10
1988
Riverside
Along Thomas Mtn. Rd. West of Hwy 74 and south of Lake Hemet.
Comment Read comments May 23 2008
RSA282794
Ribes roezlii
C. W. Tilforth, B. Busenberg
1980-6-10
1993
Riverside
1/2 mile north of Thomas Mtn Campground, along Thomas Mtn Road, West of Hwy 74 and south of Lake Hemet.
1982
Comment
RSA282903
Pinus quadrifolia
C. W. Tilforth, J. Dourley
1980-7-15
2082
Riverside
South leg of Thomas Mountain Road, south of Lake Hemet, west of Hiway 74.
Comment Read comments Mar 28 2014
RSA282904
Monardella nana subsp. tenuiflora
C. W. Tilforth
1980-7-15
2075
Riverside
South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74.
Comment
RSA282905
Erysimum capitatum var. capitatum
C. W. Tilforth, John Dourley
1980-7-15
2069
Riverside
Along Thomas Mtn Road, south of Lake Hemet, W of Hwy 74.
Comment
RSA282906
Monardella lanceolata var. lanceolata
C. W. Tilforth, John Dourley
1980-8-15
2066
Riverside
Off Hwy 74 on north leg og Thomas Mtn Road, south of Lake Hemet, west of Hwy 74.
Comment
RSA282907
Malacothrix clevelandii
C. W. Tilforth, John Dourley
1980-7-15
2013
Riverside
Along Thomas Mtn. Rd. south of Hemet, west of Hiway 74.
1662
Comment
RSA282914
Encelia actoni
C. W. Tilforth, John Dourley
1980-7-15
2080
Riverside
South of Tool Box Springs Campground, Thomas Mtn. Rd., south of Lake Hemet & west of [Highway] 74.
Comment
RSA282916
Lotus nevadensis var. nevadensis
C. W. Tilforth, B. Busenberg
1980-6-17
2020
Riverside
On slopes south of Toolbox Springs Campground, Thomas Mtn. Road, south of Lake Hemet & west of Highway 74
Comment
RSA282917
Mentzelia montana
C. W. Tilforth
1980-6-17
2011
Riverside
Along Thomas Mtn Rd south of Lake Hemet, west of Hwy 74.
1662
Comment Read comments Dec 19 2008
RSA282918
Nicotiana attenuata
C. W. Tilforth, B. Busenberg
1980-6-17
2004
Riverside
0.1 mi. in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet.
Comment
RSA282919
Muilla maritima
C. W. Tilforth, B. Busenberg
1980-6-17
2007
Riverside
0.1 mi. in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet.
Comment
RSA282920
Lepidium virginicum var. pubescens
C. W. Tilforth, B. Busenberg
1980-6-17
1998
Riverside
Along Thomas Mtn Rd, above Lake Hemet, and west of Hwy 74.
1524
Comment Read comments Dec 28 2013
RSA282921
Astragalus douglasii var. parishii
C. W. Tilforth
1980-6-17
1997
Riverside
Along Thomas Mtn. Road, south of Lake Hemet, west of Hiway 74.
Comment
RSA282923
Lotus grandiflorus var. grandiflorus
C. W. Tilforth, B. Busenberg
1980-6-17
1996
Riverside
Along Hiway 74, west of Mountain Center
Comment Read comments Jun 10 2012
RSA282924
Lithophragma affine subsp. affine
C. W. Tilforth, B. Busenberg
1980-6-17
2019
Riverside
Slopes ca. 1/2 mi. south of Toolbox Springs Campground along Thomas Mtn. Road, south of Lake Hemet, west of Hiway 74.
1982
Comment
RSA282925
Claytonia parviflora subsp. tenuifolia
C. W. Tilforth, B. Busenberg
1980-6-17
2018
Riverside
Slopes ca. 1/2 mi. south of Toolbox Springs Campground along Thomas Mtn. Road, south of Lake Hemet, west of Hiway 74.
1982
Comment
RSA282926
Ceanothus palmeri
C. W. Tilforth, B. Busenberg
1980-6-17
2009
Riverside
Along Thomas Mtn Rd, above Lake Hemet, and west of Hwy 74.
1524
Comment
RSA282929
Calyptridium parryi
C. W. Tilforth, B. Busenberg
1980-6-17
2016
Riverside
Along Thomas Mtn Rd south of Lake Hemet, west of Hwy 74.
1662
Comment
RSA282931
Lathyrus vestitus subsp. alefeldii
C. W. Tilforth, B. Busenberg
1980-4-10
1981
Riverside
Along north leg of Thomas Mountain Road, south of Lake Hemet, west of Hwy 74
Comment
RSA282932
Scrophularia californica subsp. floribunda
C. W. Tilforth, B. Busenberg
1980-4-17
2017
Riverside
Open slope south of Toolbox Spring Campground along Thomas Mtn. Rd., south of Lake Hemet, west of Hiway 74.
Comment
RSA284573
Rumex salicifolius var. denticulatus
C. W. Tilforth, John Dourley
1980-7-15
2064
Riverside
0.9 miles west of Mountain Center along hwy 74, Riverside County, California.
Comment
RSA284575
Rhamnus tomentella subsp. cuspidata
C. W. Tilforth, John Dourley
1980-7-15
2074
Riverside
South leg of Thomas Mountain Road, south of Lake Hemet, west of Hiway 74.
Comment
RSA284584
Cryptantha intermedia
C. W. Tilforth, B. Busenberg
1980-6-17
1999
Riverside
0.1 mi. in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet.
Comment
RSA284585
Penstemon labrosus
C. W. Tilforth, John Dourley
1980-7-15
2072
Riverside
South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74.
Comment
RSA284586
Frasera parryi
C. W. Tilforth, John Dourley
1980-7-15
2081
Riverside
South leg of Thomas Mountain Road, south of Lake Hemet, west of Hiway 74.
Comment
RSA284588
Solanum umbelliferum
C. W. Tilforth, J. Dourley
1980-7-15
2071
Riverside
Thomas Mtn. Rd. at Thomas Mtn. Campground, south of Lake Hemet and west of Hwy 74.
Comment
RSA284590
Juncus tiehmii
C. W. Tilforth, B. Busenberg
1980-6-10
1987 -A
Riverside
3.8 miles in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet.
Comment
RSA288004
Quercus wislizeni var. frutescens
C. W. Tilforth, Walter Wisura
1979-11-10
1920
Riverside
2 miles W of Hwy 74 along Thomas Mtn Road. 1 mile south of Lake Hemet, Garner Valley.
Comment
RSA289149
Hemizonia pungens subsp. laevis
C. W. Tilforth, Walter Wisura
1987-8-10
2112
Riverside
Along Reinhardt Creek, south of Maze Stone County Park, between Hemet and Homeland, north of Hwy 74.
Comment
RSA289176
Eriodictyon crassifolium
C. W. Tilforth, Walter Wisura
1981-8-10
2113
Riverside
Along red Mtn. Rd. E of Hwy R3, S of Hemet, Riverside County.
Comment
RSA291547
Leptosiphon liniflorus
C. W. Tilforth, W. Wisura
1979-8-8
1901
Riverside
Along Hwy 74 at Lake Hemet in Garner Valley
1296
Comment
RSA291549
Koeleria macrantha
C. W. Tilforth, J. Dourley
1980-7-15
2073
Riverside
South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74.
Comment
RSA291551
Melica imperfecta
C. W. Tilforth, B. Busenberg
1980-6-17
2010
Riverside
Along Thomas Mtn. Road, south of Lake Hemet, west of Highway 74.
1659
Comment
RSA291561
Camissonia confusa
C. W. Tilforth, B. Busenberg
1980-6-17
2000
Riverside
Slopes above wash 0.1 mi. in from Hiway 74 along north leg of Thomas Mtn. Rd., south of Lake Hemet.
Comment
RSA291564
Camissonia hirtella
C. W. Tilforth, B. Busenberg
1980-6-17
2002
Riverside
0.1 mi. in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet.
Comment
RSA291566
Allophyllum glutinosum
C. W. Tilforth, B. Busenberg
1980-6-10
1978
Riverside
0.1 mi. from Highway 74 on north leg of Thomas Mtn. Rd., 1 mi. south of Lake Hemet.
1387
Comment
RSA291568
Calochortus concolor
C. W. Tilforth
1980-7-15
2079
Riverside
South of Tool Box Springs Campground, Thomas Mtn. Rd., south of Lake Hemet & west of [Highway] 74.
Comment
RSA291569
Calystegia occidentalis subsp. fulcrata
C. W. Tilforth, John Dourley
1980-7-15
2077
Riverside
South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74.
Comment
RSA291571
Calochortus invenustus
C. W. Tilforth, John Dourley
1980-7-15
2076
Riverside
South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74.
Comment Read comments May 26 2014
RSA291572
Erigeron foliosus var. foliosus
C. W. Tilforth, John Dourley
1980-7-15
2067
Riverside
0.1 mile in from Highway 74 on north leg of Thomas Mt. Road, south of Lake Hemet and west of Highway 74
Comment
RSA291591
Helianthemum scoparium var. vulgare
C. W. Tilforth, W. Wisura
1979-11-4
1765
Riverside
East end of Murrieta-DeLuz Rd., ca. 2 air mi. south of Murrieta
335
Comment
RSA291592
Rhus trilobata var. pilosissima
C. W. Tilforth, Walter Wisura
1979-4-11
1767
Riverside
East end of Murrieta-DeLuz Rd, ca. 2 air mi. south of Murrieta.
335
Comment
RSA291594
Ceanothus tomentosus var. olivaceus
C. W. Tilforth, Walter Wisura
1979-4-11
1762
Riverside
East end of Murrieta-DeLuz Rd, ca. 2 air mi. south of Murrieta.
335
Comment
RSA291595
Lithophragma affine subsp. mixtum
C. W. Tilforth, W. Wisura
1979-4-11
1772
Riverside
East end of Murrieta-DeLuz Rd, south of Murrieta.
335
Comment
RSA291596
Clematis pauciflora
C. W. Tilforth, Walter Wisura
1979-4-11
1787
Riverside
Hills on south side of Lake Skinner, east of Murrieta.
427
Comment
RSA291597
Linaria canadensis var. texana
C. W. Tilforth, Walter Wisura
1979-4-11
1781
Riverside
Long Canyon, in wash, Rancho California Road, east of Temecula
Comment
RSA291598
Lotus strigosus
C. W. Tilforth, Walter Wisura
1979-4-11
1776
Riverside
Along Rancho California Rd. west of Temecula.
Comment
RSA291599
Camissonia bistorta
C. W. Tilforth, Walter Wisura
1979-4-11
1780
Riverside
Long Canyon, in wash, Rancho California Road, east of Temecula
Comment
RSA291600
Platystemon californicus
C. W. Tilforth, Walter Wisura
1979-4-11
1782
Riverside
Long Canyon, in wash, Rancho California Road, east of Temecula
Comment
RSA291601
Nemophila menziesii
C. W. Tilforth, Walter Wisura
1979-4-11
1792
Riverside
Hills on south side of Lake Skinner, east of Murrieta.
427
Comment
RSA291602
Orthocarpus purpurascens
C. W. Tilforth, Walter Wisura
1979-4-11
1779
Riverside
Long Canyon, in wash, Rancho California Road, east of Temecula
Comment
RSA291603
Scrophularia californica subsp. floribunda
C. W. Tilforth, Walter Wisura
1979-4-11
1764
Riverside
East end of Murrieta-DeLuz Rd, ca. 2 air mi. south of Murrieta.
335
Comment
RSA291604
Salvia columbariae
C. W. Tilforth, Walter Wisura
1979-4-11
1790
Riverside
Hills on south side of Lake Skinner, east of Murrieta.
427
Comment
RSA291605
Salvia carduacea
C. W. Tilforth, Walter Wisura
1979-4-11
1789
Riverside
Hills on south side of Lake Skinner, east of Murrieta.
427
Comment
RSA291606
Trifolium willdenovii
C. W. Tilforth, Walter Wisura
1979-4-11
1773
Riverside
East end of Murrieta-DeLuz Rd, ca. 2 air mi. south of Murrieta.
335
Comment
RSA291610
Cheilanthes covillei
C. W. Tilforth
1979-2-11
1744
Riverside
Whitewater Canyon, east of Morongo Indian Reservation
441
Comment
RSA291611
Paeonia californica
C. W. Tilforth, Walter Wisura
1979-4-11
1770
Riverside
East end of Murrieta-DeLuz Rd, south of Murrieta.
335
Comment
RSA291612
Crossosoma bigelovii
C. W. Tilforth
1979-2-11
1741
Riverside
Whitewater Canyon, east of Morongo Indian Reservation
441
Comment
RSA291613
Solanum umbelliferum
C. W. Tilforth, Walter Wisura
1979-4-11
1763
Riverside
East end of Murrieta-DeLuz Rd, ca. 2 air mi. south of Murrieta.
335
Comment
RSA293328
Juncus dubius
C. W. Tilforth, Walter Wisura
1981-7-10
2114
Riverside
South leg of Red Mountain loop, east of Highway R3, south of Hemet.
Comment
RSA293512
Corethrogyne filaginifolia var. bernardina
C. W. Tilforth, Walter Wisura
1979-8-8
1892
Riverside
Along Hiway 243, 5.6 mi. south of jct. with Hiway 10, s. of Banning.
1037
Comment
RSA293513
Keckiella ternata subsp. ternata
C. W. Tilforth, Walter Wisura
1979-8-8
1896
Riverside
Along Hwy 74 east junction with Hwy 371. Along Hiway 243, 5.6 mi. south of jct. with Hiway 10, s. of Banning.
Comment Read comments Jun 26 2013
RSA293522
Caesalpinia virgata
C. W. Tilforth, Walter Wisura
1979-8-8
1908
Riverside
Along hwy 74, south edge of Palm Desert. South-east of Palm Springs
Comment
RSA293524
Galium aparine var. echinospermum
C. W. Tilforth, Walter Wisura
1979-4-11
1794
Riverside
Hills on south side of Lake Skinner, east of Murrieta.
427
Comment
RSA293529
Juncus macrophyllus
C. W. Tilforth, Walter Wisura
1979-8-8
1898
Riverside
Highway 243 at turn-off to Poppet Flat, south of Banning.
1189
Comment
RSA293530
Arctostaphylos pungens
C. W. Tilforth, W. Wisura
1979-8-8
1903
Riverside
Along hiway 74, 7.5 mi. south-east of Lake Hemet turn-off, Garner Valley
Comment
RSA293531
Psorothamnus emoryi
C. W. Tilforth
1979-8-8
1907
Riverside
S edge of Palm Desert along Highway 74, SE of Palm Springs, Riverside Co.
76
Comment
RSA293532
Trichostema parishii
C. W. Tilforth, Walter Wisura
1979-8-8
1904
Riverside
Along Hwy 74 east junction with Hwy 371.
Comment
RSA293533
Frasera parryi
C. W. Tilforth, Walter Wisura
1979-8-8
1902
Riverside
Along hiway 74, 7.5 mi. south-east of Lake Hemet turn-off, Garner Valley
Comment
RSA293534
Keckiella antirrhinoides subsp. microphylla
C. W. Tilforth, Walter Wisura
1979-8-8
1905
Riverside
Big Horn Sheep Overlook along Hiway 74 above Deep Canyon, s. of Palm Desert.
Comment
RSA305622
Lotus crassifolius
C. W. Tilforth, Walter Wisura
1979-8-8
1899
Riverside
9 mi. south of poppet flat turn-off along highway 243 south of banning, riverside county, ca.
1646
Comment Read comments Jun 26 2013
RSA305624
Rhamnus tomentella subsp. cuspidata
C. W. Tilforth, Walter Wisura
1979-10-11
1911
Riverside
Along hiway 243 ca. 16 mi. south of Banning at turnoff to Bay Tree Flats Campground.
1524
Comment
RSA305625
Amelanchier pallida
C. W. Tilforth, B. Busenberg
1979-5-18
1802
Riverside
U.S.C. Isomata Campus, along Strawberry Creek, Idyllwild.
Comment
RSA305626
Eriogonum gracile var. incultum
C. W. Tilforth, Walter Wisura
1979-5-11
1913
Riverside
0.3 mi. west of Hgwy 74 on Thomas Mountain Rd., ca. 1 mile south of Lake Hemet, Garner Valley.
Comment
RSA305628
Penstemon centranthifolius
C. W. Tilforth, Walter Wisura
1979-10-10
1915
Riverside
0.3 mi. west of Highway 74 on Thomas Mtn. Rd., ca. 1 mi. south of Lake Hemet, Garner Valley.
1341
Comment
RSA305658
Senecio flaccidus var. douglasii
C. W. Tilforth, Walter Wisura
1979-10-11
1921
Riverside
Thomas Mtn. Rd., 10.4 mi. from north jct. with Hiway 74, south of Lake Hemet, Garner Valley.
Comment
RSA305663
Hulsea vestita subsp. callicarpha
C. W. Tilforth, Walter Wisura
1979-1
1922
Riverside
Along Thomas Mts. Rd., 10.4 miles from N jct. with Hwy 74, S of Lake Hemet.
Comment
RSA305664
Dendromecon rigida subsp. rigida
C. W. Tilforth, Walter Wisura
1979-10-11
1923
Riverside
Thomas Mtn. Rd., 10.4 mi. from north jct with Hwy 74; south of Lake Hemet
Comment
RSA305666
Gutierrezia sarothrae
C. W. Tilforth, Walter Wisura
1979-10-11
1918
Riverside
0.3 mi. west of Highway 74 on Thomas Mtn. Rd., ca. 1 mi. south of Lake Hemet, Garner Valley
1341
Comment
RSA305668
Malacothamnus fasciculatus
C. W. Tilforth, Walter Wisura
1979-10-11
1916
Riverside
0.3 mi. west of Highway 74 on Thomas Mtn. Rd., ca. 1 mi. south of Lake Hemet, Garner Valley.
1341
Comment
RSA305669
Ericameria pinifolia
C. W. Tilforth, Walter Wisura
1979-10-11
1917
Riverside
0.3 mi. west of Highway 74 on Thomas Mtn. Rd., ca. 1 mi. south of Lake Hemet, Garner Valley
1341
Comment
RSA305671
Asclepias eriocarpa
C. W. Tilforth, Walter Wisura
1979-10-11
1912
Riverside
0.3 mi. west of Highway 74 on Thomas Mtn. Rd., ca. 1 mi. south of Lake Hemet, Garner Valley
1341
Comment
RSA305672
Trichostema parishii
C. W. Tilforth, Walter Wisura
1979-11-10
1919
Riverside
About 1 1/2 mile west of Hwy 74 on Thomas Mtn Road, ca. 1 mile south of Lake Hemet. Garner Valley.
Comment
RSA338479
Saltugilia latimeri
C. W. Tilforth
1973-4-29
779
Riverside
Hwy 74, ca. 9 mi. S of bridge at base of Seven Level Hill, S of Palm Desert.
Comment
RSA339663
Argythamnia serrata
C. W. Tilforth
1980-5-28
54166
Riverside
San Bernardino Mountains: Dry Colorado Desert slopes, S-facing and W-facing, N0S rocky rifge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 mile E of Whitewater Post Office. On rocky ridge at S end.
Comment
RSA339705
Lupinus sparsiflorus subsp. sparsiflorus
C. W. Tilforth
1980-5-28
54246
Riverside
Whitewater river, 3.2 miles N of Whitewater Post Office and Hwy 10
Comment
RSA340186
Chilopsis linearis
W. A. Tilforth
1980-5-28
54178
Riverside
San Bernardino Mts: Rocky, W-facing slope of Whitewater ridge above old bridge.
Comment
RSA356635
Navarretia hamata
W. A. Tilforth, Larry E. DeBuhr, E. W. Lathrop
1975-8-29
47320
Riverside
Santa Rosa Plateau: Rancho California, Mesa de Burro; desiccated bed of vernal pools near N end of Mesa
610
Comment
RSA518449
Paeonia californica
C. W. Tilforth, D. Tilforth
1977-3-6
1264
Riverside
0.3 miles E of El Cariso Forest Station, W of Lake Elsinore, Hgwy 74 and Forestry Rd. 6S06.
Comment
RSA518452
Ceanothus crassifolius
C. W. Tilforth, Dorothy Tilforth
1977-3-6
1260
Riverside
0.3 miles E of El Cariso Forest Station, W of Lake Elsinore, Hgwy 74 and Forestry Rd. 6S06.
Comment
RSA518453
Ribes indecorum
C. W. Tilforth
1977-3-6
1268
Riverside
0.3 miles E of El Cariso Forest Station, W of Lake Elsinore, Hgwy 74 & Forestry Rd. 6S06.
Comment
SD107746
Phalaris aquatica
C. W. Tilforth, B. Busenberg
1890-7-17
2022
Riverside
open flat at large telephone signal reflector panel, south end of Thomas Mtn. Rd., south of Lake Hemet & west of Hiway 74
Comment Read comments Feb 4 2013
SD107755
Ceanothus tomentosus
C. W. Tilforth, W. Wisura
1979-4-11
1762
Riverside
East end of Murrieta-DeLuz Rd. ca. 2 air mi. south of Murrieta
334
Comment
SD107756
Erigeron divergens
C. W. Tilforth, J. Dourley
1980-7-15
2067
Riverside
0.1 miles in from Highway 74 on north leg of Thgomas Mountain Road; south of Lake Hemet and west of Highway 74.
Comment
SD107766
Allophyllum glutinosum
C. W. Tilforth, B. Busenberg
1980-6-10
1978
Riverside
0.1 mile in from Highway 74 on north leg ot Thomas Mountain Road, 1.0 mile south of Lake Hemet.
1387
Comment
SD107798
Phacelia distans
C. W. Tilforth
1978-4-30
1567
Riverside
Low rounded hills east of Norco.
Comment
SD123998
Hoffmannseggia microphylla
C. W. Tilforth
1976-7-21
1221
Riverside
Colorado Desert, Painted Canyon NE of Mecca
Comment
SD124099
Eriastrum densifolium subsp. austromontanum
C. W. Tilforth
1976-7-21
1222
Riverside
Ca. 5.0 miles north of Idyllwild.
1524
Comment Read comments Mar 2 2013
SD72205
Olneya tesota
C. W. Tilforth
1967-6-5
120
Riverside
2.0 miles west of Blythe, eastern-central Riverside County.
Comment
SD72206
Hyptis emoryi
C. W. Tilforth
1967-2-12
111
Riverside
Colorado Desert, E of Mecca, in Painted Canyon
Comment
SD72207
Croton californicus
C. W. Tilforth
1967-2-11
102
Riverside
Desert Hot Springs.
334
Comment
SD72211
Tamarix aphylla
C. W. Tilforth
1968-8-16
176
Riverside
Eastern-central Riverside County; along dry Corn Springs Wash, near Interstate Highway 10, c. 10 miles east of Desert Center in the Chuckawalla Valley
152
Comment
SD82941
Brickellia californica
C. W. Tilforth, John Dourley
1970-10-16
316
Riverside
Road to Santa Rosa Mountain, along and above intermittent stream bed
Comment
SD90355
Ericameria linearifolia
C. W. Tilforth
1973-4-29
780
Riverside
Along Highway 74 between Alpine Village and Paradise Valley, 1 mile east of junction with Santa Rosa Muntain fire road.
Comment
SEINET3407708
Dalea spinosa
C. W. Tilforth
1976-7-21
Riverside
Large wash along Hwy. 195, c. 15 miles ne of Mecca, Colorado Desert
Comment
SEINET9232654
Bernardia incana
C. W. Tilforth, Wisura, W.
1979-1
1906
Riverside
Big Horn Sheep Overlook along Hwy 74 above Deep Canyon, S of Palm Desert
Comment
UC1259777
Nemacladus longiflorus var. longiflorus
C. W. Tilforth and B. Busenberg
1980-6-17
2012
Riverside
s of Lake Hemet (w of Hwy 74, along Thomas Mtn Rd)
1658
Comment
UC1262266
Apiastrum angustifolium
C. W. Tilforth
1978-4-30
1571
Riverside
e of Norco
Comment
UC1262274
Coreopsis californica var. californica
C. W. Tilforth, J. Dourley, W. Wisura
1978-3-10
1502
Riverside
5 mi mw of Alberhill (along Hiway 71)
365
Comment
UC1262278
Phacelia distans
C. W. Tilforth
1978-4-30
1567
Riverside
hills e Norco
Comment
UC1334725
Tamarix aphylla
C. W. Tilforth
1968-8-16
176
Riverside
ca 10 mi e Desert Center (along dry Corn Springs Wash, near Interstate Hwy 10, e-central Riverside County); Chuckwalla Valley, Corn Springs Wash
152
Comment
UC1334735
Chylismia cardiophylla subsp. cardiophylla
C. W. Tilforth
1967-2-12
110
Riverside
side canyon off Painted Canyon (e of Mecca); Colorado Desert
0
Comment
UC1334737
Croton californicus
C. W. Tilforth
1967-2-11
102
Riverside
Desert Hot Springs Colorado Desert (along roadside)
335
Comment
UC1375271
Cordylanthus rigidus subsp. setiger
C. W. Tilforth
1970-9-2
304
Riverside
along fire road to Santa Rosa Mtn.
Comment
UC1375443
Galium parishii
C. W. Tilforth
1970-9-2
303
Riverside
along road to Santa Rosa Mtn.
Comment
UC1424821
Lomatium dasycarpum subsp. dasycarpum
C. W. Tilforth and Dorothy Tilforth
1977-3-6
1263
Riverside
0.3 mi. e. El Cariso Forest Station (w. of Lake Elsinore, Hwy. 74 & Forestry Rd. 6S06)
Comment
UC1424854
Chaenactis carphoclinia var. carphoclinia
C. W. Tilforth, J. Dourley, W. Wisura
1977-5-19
1326
Riverside
ca. 2 mi s of, and Hiway 62 along Blythe-Rice Rd. Rice
266
Comment
UC1424860
Eucrypta chrysanthemifolia var. chrysanthemifolia
C. W. Tilforth
1978-4-30
1570
Riverside
hills e Norco
Comment
UC1424878
Antirrhinum nuttallianum subsp. nuttallianum
C. W. Tilforth
1978-4-30
1564
Riverside
East of Norco
Comment
UC1426006
Phacelia crenulata var. ambigua
C. W. Tilforth
1973-4-29
773
Riverside
State Hwy 74 2 mi s bridge at base of Seven Level Hill (s of Palm Desert)
457
Comment
UC1478707
Penstemon labrosus
C. W. Tilforth, John Dourley
1980-7-15
2072
Riverside
s Lake Hemet (w of Hiway 74, Thomas Mtn. Campground, Thomas Mtn.); s of Lake Hemet, Thomas Mtn.
Comment
UC1478708
Hulsea heterochroma
C. W. Tilforth and B. Busenberg
1980-6-10
1986
Riverside
2.2 mi in on n leg Thomas Mtn. Rd. (w of Hwy 74 and s of Lake Hemet)
Comment
UC1478709
Pentachaeta aurea
C. W. Tilforth and B. Busenberg
1980-6-10
1977
Riverside
on n leg of Thomas Mtn. Rd. 0.1 mi n Hiway 74 (1 mi s of Lake Hemet)
1386
Comment
UC1478711
Galium andrewsii subsp. andrewsii
C. W. Tilforth and B. Busenberg
1980-6-10
1983
Riverside
s Lake Hemet (w of Hwy 74, along Thomas Mtn. Rd.)
Comment
UC1483322
Hulsea vestita subsp. callicarpha
C. W. Tilforth and W. Wisura
1979-10-11
1922
Riverside
10.4 mi from n junction with Highway 74. s of Lake Hemet; Thomas Mtn. Road
Comment
UC1483906
Nuttallanthus texanus
C. W. Tilforth, W. Wisura
1979-4-11
1781
Riverside
e of Temecula (in Long Canyon, Rancho California Road, sw Riverside County); Long Canyon, Rancho California Road
Comment
UC1483908
Tetradymia comosa
C. W. Tilforth and W. Wisura
1979-6-27
1813
Riverside
ca 2 air mi s Murrieta (Murrieta-DuLuz Rd.)
Comment
UC1483912
Chaenactis glabriuscula var. glabriuscula
C. W. Tilforth and B. Busenberg
1979-5-18
1800
Riverside
ca. 3 1/2 air mi s of Banning (at turn-off to Mt. Edna, small canyon along Hiway 243)
Comment
UC1483922
Allophyllum glutinosum
C. W. Tilforth and B. Busenberg
1980-6-10
1978
Riverside
1 mi. s. Lake Hemet (0.1 mi. in from Hwy. 74 on n. leg of Thomas Mt. Rd.)
1386
Comment
UC1483923
Erigeron foliosus var. foliosus
C. W. Tilforth and John Dourley
1980-7-15
2067
Riverside
0.1 mi in from Hiway 74 (on north leg of Thomas Mt. Rd., South of Lake Hemet & west of Hiway 74)
Comment
UCD117882
Gilia scopulorum
C. W. Tilforth
1973-4-29
779
Riverside
9 miles south of bridge at base of Seven Level Hill, south of Palm Desert, Highway 74.
Comment
UCD124029
Mohavea confertiflora
C. W. Tilforth
1967-2-12
108
Riverside
Painted Canyon, east of Mecca. Colorado Desert.
Comment
UCD124926
Hyptis emoryi
C. W. Tilforth
1967-2-12
111
Riverside
Painted Canyon, east of Mecca. Colorado Desert.
Comment
UCD142297
Bernardia incana
C. W. Tilforth; W. Wisura
1979-8-8
1906
Riverside
Big Horn Sheep Overlook; S. of Palm Desert; Hiway 74 above Deep Canyon.
Comment
UCD142301
Ditaxis serrata var. californica
C. W. Tilforth
1976-7-20
1211
Riverside
Colorado Desert. Along power line road N.E. of Chiriaco Summit between Indio and Desert Center
Comment
UCD47606
Quercus wislizeni var. frutescens
C. W. Tilforth; W. Wisura
1979-10-11
1920
Riverside
2 mi. west of highway 74 along Thomas Mtn. Rd., ca. 1 mi. south of Lake Hemet, Garner Valley, Riverside County, California.
Comment
UCD88699
Paspalum notatum
C. W. Tilforth
1976-9-19
1224
Riverside
at 317 Swan Lake Mobile Home Park, Mira Loma (10 miles north of Corona.)
Comment
UCD97783
Chenopodium album
C. W. Tilforth
1968-3-11
138 a
Riverside
Western end of Tallac Knoll, LASCA, Arcadia.
Comment Read comments Sep 7 2013
UCR25328
Hyptis emoryi
C. W. Tilforth
1967-2-12
111
Riverside
Western Colorado Desert, Painted Canyon, east of Mecca.
0
Comment
UCR60537
Lupinus succulentus
C. W. Tilforth, W. Wisura
1979-4-11
1788
Riverside
hills at south side of Lake Skinner, east of Murrieta
427
Comment
UCR60538
Lupinus microcarpus
C. W. Tilforth, W. Wisura
1979-5-23
1806
Riverside
Santa Ana Mtns., Santa Rosa Plateau, Murrieta to De Luz road, c. 2 air mi. south of Murrieta
335
Comment
UCR95394
Hemizonia pungens subsp. laevis
C. W. Tilforth, W. Wisura
1981-8-10
2112
Riverside
Peninsular Range, Along Reinhardt Creek, south of Maze Stone County Park, between Hemet and Homeland, north of Hwy 74
Comment
UCR95422
Juncus oxymeris
C. W. Tilforth, W. Wisura
1981-7-10
2114
Riverside
Stanley Road, S leg of Red Mtn loop, east of Hwy R3, south of Hemet
Comment
CAS-BOT-BC514314
Eriastrum densifolium subsp. austromontanum
C. W. Tilforth
1976-7-21
1222
Riverside
C. 5 mi N of Idyllwild
1524
Comment
RSA00105462
Eriastrum densifolium subsp. austromontanum
C. W. Tilforth, Jeff Barnes
1976-8-21
1222
Riverside
0.5 miles north of Idyllwild
1524
Comment
RSA0010960
Castilleja applegatei subsp. martinii
C. W. Tilforth, B. Busenberg
1980-10-6
1974
Riverside
Along Thomas Mtn. Rd, , west of Hiway 74 and south of Lake Hemet.
Comment
RSA0012944
Helianthus californicus
C. W. Tilforth, John Dourley
1970-9-2
306
Riverside
Along road to Santa Rosa Mountain.
Comment
RSA0014853
Penstemon rostriflorus
C. W. Tilforth, John Dourley
1970-9-2
305
Riverside
Along road to Santa Rosa Mountain.
Comment
RSA0016280
Gilia ochroleuca subsp. exilis
C. W. Tilforth, B. Busenberg
1980-6-10
1992
Riverside
Along Thomas Mtn. Rd., west of Hwy 74 and south of Lake Hemet.
Comment
RSA0018426
Diplacus longiflorus var. calycinus
C. W. Tilforth, Walter Wisura
1979-8-8
1897
Riverside
Highway 243 at turn-off to Poppet Flat, south of Banning.
1189
Comment
RSA0060229
Pentagramma triangularis
C. W. Tilforth
1979-2-11
1742
Riverside
Whitewater Canyon, east of Morongo Indian Reservation.
441
Comment
RSA0066507
Orobanche californica subsp. feudgei
C. W. Tilforth, B. Busenberg
1980-6-10
1980
Riverside
0.1 mi. in from Highway 74 on north leg of Thomas Mtn. Road, 1 mi. south of Lake Hemet.
1386
Comment
RSA0081030
Orobanche fasciculata
C. W. Tilforth, B. Busenberg
1980-6-17
2021
Riverside
South of Toolbox Springs Campground along Thomas Mtn. Rd., south of Lake Hemet, west of Highway 74.
Comment
RSA0087586
Malacothamnus fasciculatus
C. W. Tilforth
1969-7-26
221
Riverside
Road to Santa Rosa Mtn.
Comment
RSA0103507
Tiquilia canescens var. canescens
C. W. Tilforth
1973-4-29
777
Riverside
6 mi S. of bridge at base of Seven Level Hill, Highway 74, S. of Palm Desert.
610
Comment
RSA0121254
Eriastrum sapphirinum subsp. dasyanthum
C. W. Tilforth
1969-7-24
213
Riverside
About 5 mi. south of Hemet, east of County Highway R-3.
Comment
RSA0122950
Eriastrum sapphirinum subsp. dasyanthum
C. W. Tilforth
1969-7-24
213
Riverside
About 5 mi. south of Hemet, east of County Highway R-3.
Comment
RSA0122961
Eriastrum sapphirinum subsp. sapphirinum
C. W. Tilforth, W. Wisura
1979-8-8
1900
Riverside
Garner Valley at Lake Hemet, Highway 74.
1326
Comment
RSA0122966
Eriastrum sapphirinum subsp. sapphirinum
C. W. Tilforth, John Dourley
1980-7-15
2078
Riverside
South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74.
Comment
RSA0126450
Nemacladus longiflorus var. longiflorus
C. W. Tilforth, B. Busenburg
1980-6-17
2012
Riverside
Along Thomas Mtn Rd south of Lake Hemet, west of Hwy 74.
1662
Comment
RSA226346
Atriplex semibaccata
C. W. Tilforth, John Dourley
1971-6-8
385
Riverside
Roadside near Alberhill, NW of Lake Elsinore.
Comment
RSA264425
Paspalum notatum var. saurae
C. W. Tilforth
1976-9-19
1224
Riverside
317 Swan Lake Mobile Home Park, Mira Loma; 10 miles N of Corona
Comment
RSA273030
Glinus lotoides
C. W. Tilforth, Walter Wisura
1978-10-6
1715
Riverside
East end of Lake Skinner, northeast of Temecula.
451
Comment
RSA282946
Piptatherum miliaceum
C. W. Tilforth
1980-3-30
1933
Riverside
East fence line of Swan Lake Mobile Home Park, north of Norco, Mira Loma
Comment
RSA291570
Phalaris aquatica
C. W. Tilforth, B. Busenberg
1980-6-17
2022
Riverside
Flat at large telephone signal reflector panel, south end of Thomas Mountain Road, south of Lake Hemet and west of Hwy 74
Comment
RSA314045
Cymbalaria muralis
C. W. Tilforth
1982-12-4
2216
Riverside
Mira Looma, California residence.
Comment
SEINET10458398
Nemacladus longiflorus
Tilforth
1980-6-17
TILFORTH 2012
Riverside
Along Thomas Mountains road, south of Lake Hemet and est of hiway 74
1658
Comment
SEINET10481952
Alyssum alyssoides
Tilforth
1980-6-10
TILFORTH 1995
Riverside
Common perennial at all elevations in this area but more abundant at 6700 ft, Masses in open sunny places among pinus jeffreyi. Ca 1/2 mi. S of thomas mt. Campground, at summit of thomas mt. Rd., W of hwy 74 and s of lake hemet.
2042
Comment
SEINET10484876
Lupinus bicolor subsp. microphyllus
Tilforth
1979-4-11
TILFORTH 1768
Riverside
Open slopes with grasses, rhus trilobata, paeonia californica, xylococcus Bicolor. Murrieta-deluz road, ca 2 air miles s of murrieta,
305
Comment
SEINET10870698
Lupinus succulentus
Tilforth
1979-4-11
TILFORTH 1788
Riverside
Hills at the s side of lake skinner, e of murrieta, sw riverside co.
427
Comment
SEINET10870974
Lupinus concinnus subsp. optatus
Tilforth
1980-6-10
TILFORTH 1985
Riverside
Common on dry banks & road cuts at all elevations. Along north leg of thomas Mtn. Rd., South of lake hemet, hiway 74.
Comment
SEINET10937080
Lupinus densiflorus var. austrocollium
Tilforth
1979-5-23
TILFORTH 1806
Riverside
White flwd annual with grasses, delphinium parryi, adenostoma fasciculatum, Solanum parishii. Murrieta-deluz rd., Ca 2 air mi. S of murrieta.
335
Comment
SEINET11839636
Hulsea vestita var. callicarpha
C. W. Tilforth, Wisura, W.
1979-1
1922
Riverside
along Thomas Mtn. Rd, 10.4 mi from N jct with Hwy 74, S of Lake Hemet
Comment
SEINET11839639
Corethrogyne filaginifolia var. bernardina
C. W. Tilforth, Wisura, W.
1979-1
1892
Riverside
along Hwy 243, 5.6 mi S of jct with Hwy 10, S of Banning
1036
Comment
SEINET12090136
Dicentra chrysantha
C. W. Tilforth, Wisura, W.
1979-1
1923
Riverside
10.4 mi from north jct with Highway 74, S of Lake Hemet
Comment
SEINET12162016
Psorothamnus emoryi
C. W. Tilforth, Wisura, W.
1979-1
1907
Riverside
S edge of Palm Desert along Hwy. 74, SE of Palm Springs
76
Comment
SEINET12320616
Trichostema parishii
C. W. Tilforth, Wisura, W.
1979-1
1919
Riverside
about 1.5 mi W of Hwy 74 on Thomas Mt. Rd, ca 1 mi S of Lake Hemet, Garner Valley
Comment
SEINET12320626
Eriastrum sapphirinum
C. W. Tilforth, Wisura, W.
1979-1
1900
Riverside
Garner Valley at Lake Hemet, Hwy 74
1326
Comment
SEINET12320631
Keckiella antirrhinoides subsp. microphylla
C. W. Tilforth, Wisura, W.
1979-1
1905
Riverside
Big Horn Sheep Overlook along Hwy 74 above Deep Canyon, S of Palm Desert
Comment
SEINET12320632
Keckiella ternata subsp. ternata
C. W. Tilforth, Wisura, W.
1979-1
1896
Riverside
along Hwy 243, 5.6 mi S of jct with Hwy 10, S of Banning
Comment
SEINET7274371
Solanum parishii
C. W. Tilforth, W. Wisura
1979-1
1763
Riverside
E end of Murrieta-DeLuz Rd., ca. 2 air mi S of Murrieta
Comment