Search Results — 303 specimen records retrieved (265 records with coordinates)
Results for search: County=RIVERSIDE; Source=All; Collector=Tilforth;   

Mapping Options:

BerkeleyMapper with county and bioregion layers
BerkeleyMapper without layers.
KML export
(Note: only records with coordinates are mappable)

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

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

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

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

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
Turn on yellow flags to show possible range discrepancies. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  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 Image available Dalea spinosa C. W. Tilforth 1976-7-21 Riverside Large wash along Hwy. 195, c. 15 miles ne of Mecca, Colorado Desert Comment
  SEINET9232654 Image available 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 Image available 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



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