Search Results — 2000 specimen records retrieved (1581 records with coordinates)
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Results for search: County=LOS ANGELES; Source=All; Collector=Ross;   

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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC100023  Balsamorhiza deltoidea Timothy S. Ross; Steve Boyd 1994-5-11 7810 Los Angeles Sawmill Mountain: W summit area ca 260-350m SE of Sawmill Campground. Burnt Peak 7.5' USGS Quadrangle 1621 Comment
  CAS-BOT-BC100426  Brickellia californica Timothy S. Ross; Steve Boyd 1994-9-20 8262 Los Angeles Lower Spunky Canyon: this stretch draining SSE, exiting into Bouquet Reservoir. Green Valley 7.5' USGS Quadrangle 934 Comment
  CAS-BOT-BC101831  Agave Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7428 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; southerly coastal bluffs near 154-foot triangulation point, 1875 m SE of 21 Comment
  CAS-BOT-BC101892  Juglans californica Timothy S. Ross; Victor W. Steinmann 1995-5-8 8533 Los Angeles Bouquet Canyon: along Bouquet Canyon Road at its intersection with a US Forest Service road that winds up onto the ridge 609 Comment
  CAS-BOT-BC101904  Juglans californica Tim Ross; Steve Boyd 1990-5-29 2704 Los Angeles San Gabriel Mtns: Big Rock Creek; just upstream from the Gaging Station. Valyermo 7.5' USGS quadrangle 1235 Comment
  CAS-BOT-BC102542  Populus fremontii Timothy S. Ross 1991-4-28 4739 Los Angeles Moody Springs: ca 4 miles NNE of Black Butte on the Mojave Desert. El Mirage USGS 7.5' Quadrangle 862 Comment
  CAS-BOT-BC104852  Quercus wislizeni Timothy S. Ross; Steve Boyd 1995-6-28 8621 Los Angeles Liebre Mountains. Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 737 Comment
  CAS-BOT-BC105253  Quercus kelloggii Timothy S. Ross; Steve Boyd 1994-6-23 8050 Los Angeles Liebre Mountains.Sawmill Mountain: 5514- ft summit and immediately adjacent slopes. Burnt Peak 7.5' USGS Quadrangle 1680 Comment
  CAS-BOT-BC105687  Corethrogyne filaginifolia Timothy S. Ross; Steve Boyd 1994-9-20 8250 Los Angeles Upper Bouquet Canyon, ca 2225 m WCW of Lincol Vrest (the canyon head), and ca 2825 m E of Bouquet Reservoir, 993 Comment
  CAS-BOT-BC106142  Brickellia nevinii Timothy S. Ross; J. Mark Porter 1995-5-4 8476 Los Angeles Texas Canyon - ca 3.6 road miels NE of Bouquet Canyon Road. USGS 7.5' Green Valley Quadrangle - Liebre Mountains 682 Comment
  CAS-BOT-BC110936  Scirpus microcarpus Timothy S. Ross; Orlando Mistretta; Carolyn Neal 1994-7-1 8083 Los Angeles Sheep Camp Spring, at the headwaters of Santiago Canyon 1940 Comment
  CAS-BOT-BC110938  Scirpus microcarpus Timothy S. Ross; Victor W. Steinmann 1995-5-8 8530 Los Angeles Boquet Canyon, along Boquet Canyon Road. 609 Comment
  CAS-BOT-BC111388  Schoenoplectus acutus var. occidentalis Timothy S. Ross; Steve Boyd 1994-5-24 7840 Los Angeles Cottonwood Swamp, Confluence of San Francisquito Canyon stream 515 Comment
  CAS-BOT-BC116378  Delphinium patens subsp. montanum Timothy S. Ross 1993-5-16 7148 Los Angeles Glendora Ridge Road on the divide between San Dimas Canyon and Cow Canyon. Mt. Baldy 7.5' USGS quadrangle; 1331 Comment
  CAS-BOT-BC127234  Agrostis exarata Timothy S. Ross; Steve Boyd 1994-6-23 8077 Los Angeles Liebre Mountains. Dogwood Spring. Seepy area situated in a northeasterly draw draining from Grass Mountain to upper Burns Canyon. 1264 Comment
  CAS-BOT-BC131157  Encelia actoni Timothy S. Ross; Peter W. Fritsch; Steve Boyd; Orlando Mistretta 1990-6-22 3717 Los Angeles Pinyon Ridge: Eastern half of the ridge, directly N of Fenner Canyon 1990 Comment
  CAS-BOT-BC132336  Calochortus clavatus Tim Ross; Steve Boyd 1993-5-23 7249 a Los Angeles Lower, easterly ridge of Red Mtn, ca 700-840 m SE of the saddle between Ruby and Clearwater Canyons 963 Comment
  CAS-BOT-BC133178  Adenostoma fasciculatum Tim Ross; Steve Boyd 1993-5-23 7296 Los Angeles Lower, easterly ridge of Red Mtn, on northerly slope 140-220 m SE of the saddle between Ruby and Clearwater Canyons; Liebre Mountains 963 Comment
  CAS-BOT-BC135285  Phoradendron bolleanum Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3388 Los Angeles Little Rock Creek, Joshua Tree Campground on the SW side of Little Rock Reservoir; San Gabriel Mountains 1002 Comment
  CAS-BOT-BC135513  Cercocarpus betuloides var. betuloides Timothy S. Ross; Steve Boyd 1994-5-4 7688 Los Angeles Upper South Portal Canyon: along forest service road which follows the canyon's SE slope; ca 770 m SW of Spruce Draw - Liebre Mountains 1075 Comment
  CAS-BOT-BC135514  Cercocarpus betuloides var. betuloides Timothy S. Ross; Steve Boyd 1990-5-17 2563 Los Angeles Little Gleason Forestry Plantation: north side of Mt Gleason Road about the east headwaters of Gleason Canyon, and bout 2 (air) miles E of Mt. Gleason summit - San Gabriel Mountains 1767 Comment
  CAS-BOT-BC135934  Pittosporum undulatum Tim Ross 1993-4-23 6931 Los Angeles Santa Catalina Island - SW part of the island in Middle Canyon; riparian strip ca 30 m SE of Eagles' Nest Lodge; Collected near Eagles Nest Lodge, but plants of various sizes seen naturalized along the riparian area between here and Middle Ranch 144 Comment
  CAS-BOT-BC137666  Aristida adscensionis Timothy S. Ross; Gery Allan; Mark Elvin 1995-5-21 8597 Los Angeles San Clemente Island. Head of Chenetti Canyon on the west prong of the trident formed at the top of the longest tributary. 1330 feet SSE of Rest triangulation point. 361 Comment
  CAS-BOT-BC140660  Phoradendron macrophyllum Timothy S. Ross; Steve Boyd 1990-5-15 2514 Los Angeles Soledad Campground, Tujunga Ranger District, Angeles National Forest; Soledad Canyon, ca 1.5 linear miles E of Agua Dulce Canyon 621 Comment
  CAS-BOT-BC141299  Phoradendron serotinum subsp. tomentosum Timothy S. Ross; Steve Boyd 1994-9-21 8317 Los Angeles Sanberg: 150-170 m SSE of town along the Old Ridge Route. Liebre Mountains 1277 Comment
  CAS-BOT-BC14586  Boechera pulchra Timothy S. Ross; Steve Boyd 1994-6-23 8025 Los Angeles Liebre Mountains. Sawmill Mountain. 5514 foot summit and immediately adjacent slopes. 1680 Comment
  CAS-BOT-BC148918  Bromus carinatus var. marginatus Timothy S. Ross; Steve Boyd 1994-5-24 7857 Los Angeles Liebre Mountains. Northeast summit of Grass Mountain. North slopes draining toward Elizabeth Lake. South slopes toward Green Valley. 1389 Comment
  CAS-BOT-BC149416  Bromus berteroanus Timothy S. Ross 1991-4-28 4761 Los Angeles Adobe Mountain. Southwesterly extension of the mountain. 975 Comment
  CAS-BOT-BC150626  Diplacus longiflorus Timothy S. Ross 1992-5-24 6413 Los Angeles Brown's Gulch: (draining to San Gabriel Canyon at the base of San Gabriel Dam) 475 Comment
  CAS-BOT-BC150671  Diplacus longiflorus Timothy S. Ross; Steve Boyd 1994-6-22 8018 Los Angeles Warm Springs Canyon: 0.5 road mi W of Lake Hughes Road along Forest Service road 6N32 658 Comment
  CAS-BOT-BC152976  Diplacus constrictus Timothy S. Ross; Steve Boyd 1994-5-25 7916 Los Angeles Warm Springs Mountain: ca 450 m NW of summit 1164 Comment
  CAS-BOT-BC154693  Solanum umbelliferum T. S. Ross; S. Boyd 1990-6-18 3499 Los Angeles San Gabriel Mountains. Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages 1768 Comment
  CAS-BOT-BC154776  Prunus virginiana var. demissa Timothy S. Ross; Steve Boyd 1994-5-11 7801 Los Angeles Atmore Meadows: between Liebre and Sawmill Mountains; streams draining southward to the North Fork of Fish Canyon 1325 Comment
  CAS-BOT-BC154778  Prunus virginiana var. demissa Tim Ross 1990-8-17 3180 Los Angeles San Gabriel Mtns: S side of Prairie Fork, in the vicinity of Columbine Spring 2206 Comment
  CAS-BOT-BC154926  Prunus ilicifolia Timothy S. Ross; J. Mark Porter 1995-5-4 8404 Los Angeles Liebre Mountains. Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road 585 Comment
  CAS-BOT-BC154939  Prunus ilicifolia Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3392 Los Angeles San Gabriel Mountains. Little Rock Creek: Joshua Tree Campground on the SW side of Little Rock Reservoir 1002 Comment
  CAS-BOT-BC156798  Solanum umbelliferum T. S. Ross; S. D. Boyd; S. Burns 1994-7-7 8129 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  CAS-BOT-BC158664  Purshia tridentata var. glandulosa Timothy S. Ross; Steve Boyd 1990-5-29 2683 Los Angeles SE edge of Balyermo, along NE side of Valyermo Rd. from ca 3730-3750, then S of the road - San Gabriel Mountains 1149 Comment
  CAS-BOT-BC158821  Rubus ursinus Timothy S. Ross; Steve Boyd 1994-5-10 7712 Los Angeles Warm Springs Canyon: Spring (un-named, but marked on topo map) along Warm Springs - Fish Canyon Truck Trail (6N32), ca 2160 m NNW of Warm Springs Mtn. summit - Liebre Mountains 804 Comment
  CAS-BOT-BC161406  Bromus tectorum Timothy S. Ross; Victor W. Steinmann 1995-5-8 8554 Los Angeles Liebre Mountains. Slopes between Leona Valley and Lost Valley. 1182 Comment
  CAS-BOT-BC167057  Oenothera californica Timothy S. Ross; Steve Boyd 1994-5-4 7617 Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mtn summit 1075 Comment
  CAS-BOT-BC167750  Petalonyx thurberi Tim Ross; Steve Boyd 1992-7-5 6632 Los Angeles San Francisquito Canyon: ca 1 mile N of Powerhouse No. 2 501 Comment
  CAS-BOT-BC167953  Rhus ovata Timothy S. Ross 1995-4-7 8365 Los Angeles Old Ridge Route: 1.4 road miles NNW of its intersection with Templin Highway; headwaters of Canton Canyon 902 Comment
  CAS-BOT-BC167955  Rhus ovata Tim Ross; Steve Boyd 1991-4-25 4576 Los Angeles San Gabriel Mtns: Doe Flat and immediate vicinity, situated between Graveyard Canyon and the E Fk of Susanna Canyon, draining to the lower E Fk of the San Gabriel River 865 Comment
  CAS-BOT-BC168269  Atriplex canescens var. canescens Timothy S. Ross; Steve Boyd 1994-9-20 8227 a Los Angeles 2 miles NW of Acton: Sandy wash, S side of intersection Escondido Canyon Road & Red Rover Mine Road 902 Comment
  CAS-BOT-BC168270  Atriplex canescens var. canescens Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3387 Los Angeles Little Rock Creek: Joshua Tree Campground on the SW side of Little Rock Reservoir 1002 Comment
  CAS-BOT-BC170460  Rhus integrifolia Tim Ross; Laurel Arnseth 1990-4-7 4203 Los Angeles Upper reaches of China Cyn, S end of island, W side - San Clemente Island Comment
  CAS-BOT-BC172107  Clarkia dudleyana Timothy S. Ross 1993-6-1 7359 Los Angeles Just NW of Chantry Flat along Upper Winter Creek Trail, San Gabriel Mountains 731 Comment
  CAS-BOT-BC172438  Clarkia bottae Tim Ross; Orlando Mistretta 1993-5-27 7328 Los Angeles W end of San Gabriel Mtns., ridge dropping westward from Loop Canyon road (at 3060 ft) toward Wilson Canyon 670 Comment
  CAS-BOT-BC172439  Clarkia bottae Tim Ross; Steve Boyd 1988-4-28 2230 Los Angeles West end of San Gabriel Mtns., Sand Canyon E of Saugus, in small side canyon, Angeles National Forest 792 Comment
  CAS-BOT-BC172766  Galium angustifolium subsp. angustifolium Timothy S. Ross; Steve Boyd 1994-5-10 7701 Los Angeles Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mtn summit 890 Comment
  CAS-BOT-BC173167  Lotus strigosus Timothy S. Ross; Steve Boyd 1994-5-4 7622 Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mtn summit 1075 Comment
  CAS-BOT-BC174386  Eremogone macradenia var. arcuifolia Timothy S. Ross; Steve Boyd 1994-6-23 8068 Los Angeles Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch 1597 Comment
  CAS-BOT-BC174632  Microseris douglasii subsp. platycarpha Tim Ross 1993-4-22 6868 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); saddle on E side of peak 448 Comment
  CAS-BOT-BC174669  Penstemon labrosus Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-7 8134 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  CAS-BOT-BC174670  Lagophylla ramosissima subsp. ramosissima Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-7 8128 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  CAS-BOT-BC174966  Solanum umbelliferum Tim Ross; Steve Boyd 1993-5-23 7280 Los Angeles Upper Clearwater Canyon: very steep slope of SSE aspect, ca 190-230m W of Plum Spring 789 Comment
  CAS-BOT-BC174975  Carex praegracilis Timothy S. Ross; Steve Boyd 1994-7-7 8153 Los Angeles Upper Cienaga Canyon: South base of Liebre Mountain, just on the N side of the Kelly Ranch inholding (USFS map, 1958; Knapp Ranch, Angeles Nat'l Forest map, 1982) 1018 Comment
  CAS-BOT-BC17508  Athysanus pusillus Timothy S. Ross; Darin Banks 1994-4-12 7469 Los Angeles Liebre Mountains. San Francisquito Canyon. 542 Comment
  CAS-BOT-BC175270  Vulpia myuros var. myuros Timothy S. Ross; Steve Boyd 1994-5-4 7623 a Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mtn summit 1075 Comment
  CAS-BOT-BC175713  Vulpia myuros subsp. megalura Timothy S. Ross; Steve Boyd 1994-5-4 7623 b Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mtn summit 1075 Comment
  CAS-BOT-BC17676  Carex alma Timothy S. Ross; Steve Boyd 1990-6-1 2758 Los Angeles San Gabriel Mountains. Moody Canyon: drainage northward from Messenger Flats and Mt. Gleason. Along Moody Canyon Stream. 1341 Comment
  CAS-BOT-BC17679  Carex alma Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-6 8111 Los Angeles Liebre Mountains. Tributaray of Clearwater Canyon: 847 Comment
  CAS-BOT-BC17680  Carex alma Timothy S. Ross; J. Mark Porter 1995-5-4 8486 Los Angeles Liebre Mountains. Texas Canyon: ca. 3.6 road miles NE of Bouquet Canyon Road. 682 Comment
  CAS-BOT-BC178570  Vulpia myuros var. myuros Timothy S. Ross; Victor W Steinmann 1995-5-8 8552 Los Angeles Slopes between Leona Valley and Lost Valley - Liebre Mountains 1182 Comment
  CAS-BOT-BC178910  Chorizanthe Timothy S. Ross; J. Mark Porter 1995-5-4 8504 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road 585 Comment
  CAS-BOT-BC180637  Amorpha californica var. californica Timothy S. Ross; Steve Boyd 1995-6-28 8644 Los Angeles Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon - Liebre Mountains 737 Comment
  CAS-BOT-BC180640  Amorpha californica var. californica Tim Ross 1992-6-15 6561 Los Angeles Upper end of Turnbull Canyon, Whittier Hills (local name for the western extremity of the Puente Hills) 291 Comment
  CAS-BOT-BC183627  Lathyrus vestitus subsp. laevicarpus Timothy S. Ross; Steve Boyd 1994-5-4 7658 Los Angeles Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley 1389 Comment
  CAS-BOT-BC183787  Vulpia microstachys var. confusa Timothy S. Ross; Steve Boyd 1994-5-4 7663 Los Angeles Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley 1389 Comment
  CAS-BOT-BC183850  Collinsia parryi Timothy S. Ross; Steve Boyd 1994-5-10 7690 Los Angeles Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N32); ca 2920 m NNW of Warm Springs Mtn summit... 890 Comment
  CAS-BOT-BC183852  Pellaea mucronata var. mucronata Tim Ross 1993-4-22 6875 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); northwesterly slope 350 meters ENE of peak 419 Comment
  CAS-BOT-BC183882  Dichelostemma pulchellum Tim Ross 1993-4-22 6871 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); saddle on E side of peak 448 Comment
  CAS-BOT-BC186152  Ribes roezlii var. roezlii Tim Ross 1990-8-17 3170 Los Angeles San Gabriel Mtns: S side of Prairie Fork, in the draw between Columbine Spring and Camp Lupine 2121 Comment
  CAS-BOT-BC186347  Garrya flavescens Timothy S. Ross; Steve Boyd 1994-7-7 8147 Los Angeles Liebre Mountains: W end of the mountain, along descending Forest Service Road (7N23), ca 1140 m SW of Sandberg Triangulation Point (5345-ft) 1438 Comment
  CAS-BOT-BC188966  Eriodictyon parryi Timothy S. Ross; Steve Boyd 1994-5-24 7875 Los Angeles Burns Truck Trail, along low, northerly slope draining to lower Burns Canyon, 2220 m ENE from Grass Mountain summit, Vicinity of Burns Canyon 1115 Comment
  CAS-BOT-BC189150  Eriodictyon crassifolium var. nigrescens Timothy S. Ross; Steve Boyd 1994-5-10 7691 Los Angeles Saddle divide between East Fork Fish Canyon and Warm Springs Canyon, vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132), ca 2920 meters NNW of Warm Springs Mountain summit 585 Comment
  CAS-BOT-BC189152  Eriodictyon crassifolium var. nigrescens Timothy S. Ross; J. Mark Porter 1995-5-4 8511 Los Angeles Texas Canyon, ca 3.6 road miles NE of Bouquet Canyon Road 682 Comment
  CAS-BOT-BC199090  Astragalus trichopodus var. phoxus Timothy S. Ross 1995-4-7 8348 Los Angeles 3.95 miles N of its junction with Lake Hughes Road, W of Castaic Lake on ridge dividing Marple Canyon from Grasshopper Canyon, Old Ridge Route - Liebre Mountains 630 Comment
  CAS-BOT-BC205143  Lupinus elatus Timothy S. Ross 1994-5-31 7980 Los Angeles San Gabriel Mountains. Pacifico Mountain: ca 340 m SSE of the 7124-foot summit 2084 Comment
  CAS-BOT-BC205408  Lupinus excubitus var. austromontanus Timothy S. Ross 1995-4-26 8381 Los Angeles Liebre Mountains. West end of Liebre Mountain along Forest Service Road 7N23 ca 1.0 road-mile NE of its junction with the Old Ridge Route; ca 4080 ft SSW of Sandberg Triangulation Point (5345 ft.) 1362 Comment
  CAS-BOT-BC206220  Malacothamnus fasciculatus Tim Ross 1993-4-22 6924 Los Angeles SW part of the island in Middle Ranch, ridge on NE side of Thompson Reservoir, Santa Catalina South USGS 7.5' quad., Santa Catalina Island 201 Comment
  CAS-BOT-BC206737  Elymus glaucus subsp. glaucus Timothy S. Ross; J. Mark Porter 1995-5-4 8485 Los Angeles Ca 3.6 road miles NE of Bouquet Canyon Road, TExas Canyon - Liebre Mountains 682 Comment
  CAS-BOT-BC206972  Prosopis glandulosa var. torreyana Timothy S. Ross; Annette H. Ross 1991-6-3 5554 Los Angeles Undeveloped slopes west of California State Polytechnic University, Pomona, San dimas USGS 7.5' - San Jose Hills 335 Comment
  CAS-BOT-BC207177  Elymus elymoides subsp. elymoides Timothy S. Ross; Steve Boyd 1995-6-29 8660 Los Angeles Near west summit of Liebre Mountain. 1706 Comment
  CAS-BOT-BC207180  Elymus elymoides subsp. elymoides Timothy S. Ross 1994-5-31 7961 Los Angeles Pacifico Mountain, W slope, ca 315 m WSW of the 7124-ft summit - San Gabriel Mountains 2109 Comment
  CAS-BOT-BC207374  Elymus elymoides subsp. elymoides Timothy S. Ross 1991-4-28 4734 Los Angeles Black Butte Basin Road at its intersection with Avenue 'U', NW corner, 0.85 mile and ca 152 deg. SW of Three Sisters buttes, Mojave Desert 960 Comment
  CAS-BOT-BC208538  Ehrharta calycina Tim Ross; Janet Takara; Stacey Otte 1993-4-24 6949 Los Angeles W end of island beyond the isthmus, on main east-west ridgetop ca 615 m E of Granite Triangulation Point and 620 m WNW of Oak Triang. Pt., Santa Catalina West USGS 7.5', Santa Catalina Island 487 Comment
  CAS-BOT-BC210906  Achnatherum parishii subsp. depauperatum Timothy S. Ross 1995-4-7 8360 Los Angeles Liebre Mountains. Templin Highway ca. 100-250 ft NE of its intersection with the Old Ridge Route (near the headwaters of Violin Canyon) 877 Comment
  CAS-BOT-BC211005  Fraxinus velutina Timothy S. Ross; Steve Boyd 1995-6-28 8636 Los Angeles Liebre Mountains. Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 737 Comment
  CAS-BOT-BC211916  Achnatherum coronatum Timothy S. Ross; Steve Boyd 1994-5-25 7929 Los Angeles Hanging basin ca 470 - 830 m W of Warm Springs Mtn. Summit, from ca 600-800 m WSW of summit, Necktie Basin, Liebre Mountains 1075 Comment
  CAS-BOT-BC212395  Fremontodendron californicum Timothy S. Ross; Darin Banks 1994-6-21 7989 Los Angeles Descending northerly ridge with Tie Canyon on the W, and upper tributary of Santiago Canyon on the E, ca 2325 m NW of Pac. Mtn's 7124 foot summit, Vicinity of Pacifico Mountain 1923 Comment
  CAS-BOT-BC212397  Fremontodendron californicum Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3359 Los Angeles Ca 120 m. NNW of Icy Springs, around a stone building that has been gutted by fire, the Webber Cabin, Big Rock Creek Canyon, San Gabriel Mountains 1731 Comment
  CAS-BOT-BC213006  Hosackia crassifolia Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3355 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin) 1731 Comment
  CAS-BOT-BC213459  Acmispon argophyllus var. argophyllus Timothy S. Ross; Steve Boyd; Peter Fritsch; Orlando Mistretta 1990-6-25 3813 Los Angeles Ridgetop to the SW of Crystal Lake, ridge descenting SSW from Mt. Islip, San Gabriel Mountains 1865 Comment
  CAS-BOT-BC214316  Salvia dorrii var. pilosa Timothy S. Ross 1991-4-27 4647 Los Angeles Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +- S to SSW), ca 0.25 - 0.3 miles W of the county line, Mojae Desert 1203 Comment
  CAS-BOT-BC214356  Trichostema parishii Timothy S. Ross; Steve Boyd; Peter Fritsch 1990-6-8 2947 Los Angeles Ridge and slopes descending +-ENE from Thorn (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6 - 1.6 air-miles ENE of Barley Flats), Upper Big Tujunga Canyon, San Gabriel Mountains 1554 Comment
  CAS-BOT-BC215910  Calystegia peirsonii Timothy S. Ross; J. Mark Porter 1995-5-4 8447 Los Angeles Ca 1.9 road miles NE of Bouquet Canyon Road, Texas Canyon, Liebre Mountains 585 Comment
  CAS-BOT-BC215912  Calystegia peirsonii Timothy S. Ross; Steve Boyd 1994-5-24 7850 Los Angeles North slopes draining toward Elizabeth Lake, south slopes toward Green Valley, Northeast summit of Grass Mountain, Liebre Mountains 1389 Comment
  CAS-BOT-BC216658  Lupinus excubitus subsp. hallii Timothy S. Ross; Victor W. Steinmann 1995-5-8 8532 Los Angeles Along Bouquet Canyon Road at its intersection with a USFS road that winds up onto the ridge between Bouquet Canyon and Mystic Canyon 609 Comment
  CAS-BOT-BC219332  Eriodictyon trichocalyx var. trichocalyx Tim Ross; Steve Boyd 1990-5-29 2707 Los Angeles San Gabriel Mtns: Big Rock Creek 1235 Comment
  CAS-BOT-BC221630  Bromus carinatus Timothy S. Ross 1994-5-31 7962 Los Angeles San Gabriel Mountains. Pacifico Mountain: W slope, ca 315 m WSW of the 7124-ft summit 2109 Comment
  CAS-BOT-BC221647  Vulpia microstachys var. ciliata Timothy S. Ross; Steve Boyd 1994-5-4 7646 a Los Angeles Liebre Mountains. Near the headwaters of San Francisquito Canyon, ridgetop saddle 1350 m E of Grass Mtn summit on the Grass Mtn - Leona Divide Truck Trail 1237 Comment
  CAS-BOT-BC223046  Galium angustifolium subsp. gabrielense Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3803 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake [ridge descending SSW from Mt. Islip] 1865 Comment
  CAS-BOT-BC223140  Galium johnstonii Timothy S. Ross; Steve Boyd 1990-5-23 2638 Los Angeles San Gabriel Mountains. Mt Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft), on the watershed divide between Mill Canyon and Moody Canyon 1371 Comment
  CAS-BOT-BC223413  Fraxinus dipetala Timothy S. Ross; Darin Banks 1994-4-13 7526 Los Angeles Liebre Mountains. Lower Clearwater Canyon: ca 1400 m ESE of Plum Spring and ca 960 m W of San Francisquito Powerhouse No. 1 707 Comment
  CAS-BOT-BC223414  Fraxinus dipetala Tim Ross 1992-7-26 6784 Los Angeles Liebre Mountains. North foot of Red Mtn on the S side of Ruby Canyon stream ca 320-360 m WNW of Ruby Spring 792 Comment
  CAS-BOT-BC223415  Fraxinus dipetala Timothy S. Ross 1992-4-21 6218 Los Angeles San Gabriel Mountains. Glendora Ridge Road: on the divide between San Dimas Canyon & Cattle Canyon, draining northwestward toward Peacock Canyon 1158 Comment
  CAS-BOT-BC223892  Cistus incanus Timothy S. Ross 1995-4-7 8356 Los Angeles Liebre Mountains. Templin Highway ca. 100-250 ft NE of its intersection with the Old Ridge Route (near the headwaters of Violin Canyon) 877 Comment
  CAS-BOT-BC224491  Cuscuta californica Tim Ross 1992-6-15 6575 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): S-draining tributary of Turnbull Canyon 304 Comment
  CAS-BOT-BC226405  Gilia latiflora subsp. latiflora Tim Ross; Steve Boyd; Laurel Arnseth 1991-4-29 4787 Los Angeles Liebre Mountains. Parker Mountain and ridge to the SW: SW of Acton and NNE of Ravenna. NW Los Angeles County 1259 Comment
  CAS-BOT-BC226635  Eremogone macradenia Timothy S. Ross; Darin Banks 1994-6-21 7990 Los Angeles San Gabriel Mountains. Vicinity of Pacifico Mountain: descending northerly ridge with Tie Canyon on the W, an upper tributary of Santiago Canyon on the E; ca 2325 m NW of Pac. Mtn's 7124-foot summit 1923 Comment
  CAS-BOT-BC226817  Galium angustifolium subsp. angustifolium Timothy S. Ross; Steve Boyd 1994-5-10 7700 Los Angeles Liebre Mountains. Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mtn summit 890 Comment
  CAS-BOT-BC226830  Dryopteris arguta Timothy S. Ross; Steve Boyd 1994-5-10 7721 Los Angeles Liebre Mountains. Warm Springs Canyon: canyon bottom and adjacent northerly slopes at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon 682 Comment
  CAS-BOT-BC227081  Penstemon grinnellii var. scrophularioides Timothy S. Ross; Steve Boyd 1994-5-10 7751 Los Angeles Liebre Mountains. Lower Deer Canyon: inside the rather broad mouth of the canyon, ca 220-380 m NNW of its confluence with Elizabeth Lake Canyon 883 Comment
  CAS-BOT-BC227705  Eriophyllum confertiflorum Timothy S. Ross; Steve Boyd 1994-5-10 7705 Los Angeles Liebre Mountains. Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mtn summit 890 Comment
  CAS-BOT-BC23066  Arctostaphylos glandulosa subsp. mollis Timothy S. Ross 1992-4-21 6228 Los Angeles San Gabriel Mountains; W and SW of Horse Canyon Saddle; along an old roadcut (ultimately joining Lower Monroe Road) 1072 Comment
  CAS-BOT-BC230921  Malacothamnus davidsonii Tim Ross; Steve Boyd 1993-6-30 7387 Los Angeles Western San Gabriel Mtns: near middle portion of Loop Canyon 684 Comment
  CAS-BOT-BC231561  Nicotiana glauca Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-6 8099 Los Angeles Liebre Mountains. Cottonwood Swamp: Confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountain 515 Comment
  CAS-BOT-BC233295  Salvia mellifera Tim Ross 1993-4-22 6893 Los Angeles SW part of the island in the vicinity of Cactus Peak, southerly coastal slope 1320 m SE of Cactus Peak summit, Santa Catalina South USGS 7.5' quad, Santa Catalina Island 350 Comment
  CAS-BOT-BC233485  Lycium californicum Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7430 Los Angeles Ranch Palos Verdes, southerly coastal bluffs near 154 foot triangulation point, 1875 m SE of Inspiration Point, San Pedro 7.5' USGS, Palos Verdes Peninsula 18 Comment
  CAS-BOT-BC235751  Keckiella cordifolia Tim Ross; Orlando Mistretta 1993-5-27 7320 Los Angeles W end of the San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon 841 Comment
  CAS-BOT-BC237498  Polypogon viridis Timothy S. Ross; Steve Boyd 1994-5-24 7842 Los Angeles Liebre Mountains. Cottonwood Swamp: Confluence of San Francisquito Canyon stream and two tributaries draining off the SE slopes of Red Mountain, dissected by San Francisquito Canyon Road 515 Comment
  CAS-BOT-BC238333  Keckiella ternata var. septentrionalis Tim Ross; Steve Boyd 1992-7-5 6603 Los Angeles Liebre Mountains. Red Mountain: E ridge of Red Mtn, ca 530 m E of the summit 1118 Comment
  CAS-BOT-BC238334  Keckiella ternata var. septentrionalis Timothy S. Ross; Steve Boyd 1990-6-4 2793 Los Angeles San Gabriel Mountains. Lower Moody Canyon: Moody Truck Road, 0.1 mi N of junction with powerline road 1048 Comment
  CAS-BOT-BC239930  Schismus arabicus Timothy S. Ross; Darin Banks 1994-4-12 7454 Los Angeles Liebre Mountains. San Francisquito Canyon: ca 1080 m SW of San Francisquito Powerhouse No. 2, several m W of the road, adjacent to the riparian strip 451 Comment
  CAS-BOT-BC240750  Lonicera interrupta Timothy S. Ross; Steve Boyd 1994-5-25 7944 Los Angeles Liebre Mountains. Necktie Basin: Hanging basin ca 470-830 m W of Warm Springs Mtn summit. These collections from ca 600-800 m WSW of summit 1075 Comment
  CAS-BOT-BC240752  Lonicera interrupta Timothy S. Ross; Steve Boyd 1994-6-22 8013 Los Angeles Liebre Mountains. Warm Springs Canyon: 0.5 road mi W of Lake Hughes Road along Forest Service road 6N32 658 Comment
  CAS-BOT-BC241904  Eriogonum cinereum Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7403 A Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; un-named horseshoe-shaped canyon to the NE of upper Forrestal Drive 164 Comment
  CAS-BOT-BC242750  Eriogonum davidsonii Timothy S. Ross; Steve Boyd 1990-6-18 3522 Los Angeles San Gabriel Mountains. Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages 1767 Comment
  CAS-BOT-BC243449  Schismus barbatus Timothy S. Ross; Steve Boyd 1994-5-10 7726 Los Angeles Canyon bottom adjacent northerly lsopes at the conlfuence of a blueline drainage NNE off the face of Warm Springs Mtn., ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon, Warm Springs Mtn 7.5' USGS, Warm Springs Canyon, Liebre Mountains 682 Comment
  CAS-BOT-BC248073  Chorizanthe xanti var. xanti Timothy S. Ross; Steve Boyd 1995-6-28 8618 Los Angeles Liebre Mountains. Elizabeth Lake Canyon near the confluence of Red Fox Canyon: xeric southerly slope below Lake Hughes Road and above the stream 722 Comment
  CAS-BOT-BC248074  Chorizanthe xanti var. xanti Timothy S. Ross; Steve Boyd 1994-6-23 8066 Los Angeles Liebre Mountains. Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch 1597 Comment
  CAS-BOT-BC251007  Piptatherum miliaceum Tim Ross; Orlando Mistretta 1993-5-27 7343 Los Angeles W end of the San Gabriel Mtns: Wilson Canyon, along the riparian strip 621 Comment
  CAS-BOT-BC253257  Eriogonum fasciculatum var. foliolosum Timothy S. Ross; Steve Boyd 1994-7-7 8165 Los Angeles South base of Liebre Mountain, just on the N side of the Kelly Ranch inholding (USFS map, 1958; Knapp Ranch, ANgeles Nat'l Forest map, 1982), Upper Cienaga Canyon, Liebre Mountains 1018 Comment
  CAS-BOT-BC253270  Eriogonum fasciculatum var. foliolosum Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3401 Los Angeles Joshua Tree Campground on the SW side of Little Rock Reservoir, Little Rock Creek, San Gabriel Mountains 1002 Comment
  CAS-BOT-BC253465  Eriogonum gracile Timothy S. Ross 1994-7-19 8174 Los Angeles S base of INdian Hill Mesa, Claremont 396 Comment
  CAS-BOT-BC258230  Eriogonum pusillum Timothy S. Ross; J. Mark Porter 1994-5-1 7585 Los Angeles Southwestern Mojave Desert: Open desert, ca 1870 m SW of Three Sisters buttes, along Black Butte Basin Road 966 Comment
  CAS-BOT-BC258232  Eriogonum pusillum Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-22 3744 Los Angeles San Gabriel Mountains. Pinyon Ridge: Western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone 1950 Comment
  CAS-BOT-BC258523  Eriogonum nudum var. westonii Timothy S. Ross; Steve Boyd 1994-9-20 8242 Los Angeles Liebre Mountains. Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road 993 Comment
  CAS-BOT-BC259800  Nassella cernua Timothy S. Ross 1995-4-7 8364 Los Angeles Liebre Mountains. Old Ridge Route: 1.4 miles NNW of its intersection with Templin Highway, headwaters of Canton Canyon 902 Comment
  CAS-BOT-BC264878  Eriogonum viridescens Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-22 3721 Los Angeles Eastern half of the ridge, directly N of Fenner Canyon, Pinyon Ridge, San Gabriel Mountains 1990 Comment
  CAS-BOT-BC271346  Koeleria pyramidata Timothy S. Ross; Steve Boyd 1994-5-24 7848 Los Angeles North slopes draining toward Elizabeth Lake, south slopes otward Green Valley, northeast summit of Grass Mountain, Liebre Mountains 1389 Comment
  CAS-BOT-BC275320  Muhlenbergia microsperma Tim Ross; Orlando Mistretta 1993-5-27 7330 Los Angeles W end of the San Gabriel Mountains: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon 670 Comment
  CAS-BOT-BC277325  Chaenactis glabriuscula var. glabriuscula Timothy S. Ross; Steve Boyd 1994-5-24 7871 Los Angeles Liebre Mountains. Lower NE slope of Grass Mountain: Northeasterly draw and adjacent northerly slope dissected by Burns Truck Trail and draining to the upper central area of Burns Canyon 1158 Comment
  CAS-BOT-BC277821  Chaenactis santolinoides Timothy S. Ross; Steve Boyd 1990-5-23 2621 Los Angeles San Gabriel Mountains. Mt Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft), near the headwaters of Mill Canyon and Moody Canyon 1719 Comment
  CAS-BOT-BC279520  Chaenactis artemisiifolia Tim Ross; Orlando Mistretta 1993-5-27 7326 Los Angeles W end of the San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon 768 Comment
  CAS-BOT-BC281508  Melica imperfecta Timothy S. Ross; J. Mark Porter 1995-5-4 8454 Los Angeles Liebre Mts. Texas Canyon: ca 1.9 miles NE of Bouquet Canyon Rd 585 Comment
  CAS-BOT-BC281512  Melica imperfecta Timothy S. Ross; Steve Boyd 1991-4-25 4600 Los Angeles San Gabriel Mts: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft elev) 557 Comment
  CAS-BOT-BC29348  Ageratina adenophora Timothy S. Ross 1992-5-24 6405 Los Angeles Lower Brown's Gulch, just W of the San Gabriel Dam 463 Comment
  CAS-BOT-BC296193  Erigeron foliosus var. foliosus Timothy S. Ross; Steve Boyd 1990-6-18 3500 Los Angeles 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainage, Ball Flat, San Gabriel Mountains 1767 Comment
  CAS-BOT-BC298041  Ericameria nauseosa var. mohavensis Timothy S. Ross; Steve Boyd 1994-9-21 8296 Los Angeles Liebre Mts. Vicinity of West Summit 1690 Comment
  CAS-BOT-BC305691  Helianthus gracilentus Tim Ross; Steve Boyd 1992-7-5 6608 Los Angeles Liebre Mountains. Red Mountain: rocky summit area 1217 Comment
  CAS-BOT-BC309435  Helenium puberulum Timothy S. Ross; Steve Boyd 1994-9-20 8271 Los Angeles Liebre Mountains. Lower Spunky Canyon: this stretch draining SSE, exiting into Bouquet Reservoir 950 Comment
  CAS-BOT-BC318856  Heterotheca grandiflora Timothy S. Ross; J. Mark Porter 1995-5-4 8465 Los Angeles Ca. 3.6 road miles NE of Bouquet Canyon Road, Texas Canyon, Liebre Mountains 682 Comment
  CAS-BOT-BC32088  Carex multicaulis Timothy S. Ross; Steve Boyd; Peter Fritsch 1990-6-25 3781 Los Angeles Natural depression SSW of Crystal Lake: Crystal Lake USGS 7.5' Quad. 1703 Comment
  CAS-BOT-BC321538  Layia glandulosa Timothy S. Ross; Victor W. Steinmann 1995-5-8 8559 Los Angeles Liebrel Mountains. Slopes between Leona Valley and Lost Valley. 1182 Comment
  CAS-BOT-BC328075  Lepidospartum squamatum Timothy S. Ross; Steve Boyd 1994-9-20 8252 Los Angeles Upper Bouquet Canyon, ca 2225 m WCW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, 993 Comment
  CAS-BOT-BC331565  Acer macrophyllum Tim Ross 1990-8-17 3186 Los Angeles San Gabriel Mts., Prairie Fork. 1798 Comment
  CAS-BOT-BC331567  Acer macrophyllum Tim Ross 1992-5-24 6402 Los Angeles San Gabriel Mts., Lower Brown's Gulch, just W of the San Gabriel Dam 454 Comment
  CAS-BOT-BC333119  Senecio flaccidus var. douglasii Timothy S. Ross; J. Mark Porter 1995-5-4 8424 Los Angeles Ca. 1.9 road miles NE of Bouquet Canyn Road, Texas Canyon, Liebre Mountains 585 Comment
  CAS-BOT-BC339271  Lessingia glandulifera var. glandulifera Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-22 3746 Los Angeles San Gabriel Mountains. Pinyon Ridge: Western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone 1950 Comment
  CAS-BOT-BC339292  Lessingia glandulifera var. glandulifera Timothy S. Ross; Steve Boyd 1994-9-20 8233 Los Angeles Liebre Mountains. 2 miles NW of Acton: Sandy wash, S side of intersection Escondido Canyon Road & Red Rover Mine Road 902 Comment
  CAS-BOT-BC340581  Lactuca serriola Timothy S. Ross; Steve Boyd 1994-9-21 8340 Los Angeles Liebre Mountains. Cow Spring Pond: sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the S side of West Oakdale Canyon Road, ca 100 m W of the Cow Spring Canyon drainage 1155 Comment
  CAS-BOT-BC340756  Laennecia coulteri Timothy S. Ross; Steve Boyd 1994-9-21 8341 Los Angeles Liebre Mountains. Cow Spring Pond: sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the S side of West Oakdale Canyon Road, ca 100 m W of the Cow Spring Canyon drainage 1155 Comment
  CAS-BOT-BC342353  Logfia gallica Tim Ross; Steve Boyd 1993-5-23 7227 Los Angeles Liebre Mountains, NW Los Angeles Co. Lower, easterly ridge of Red Mtn, on northerly slope 140-220 m SE of the saddle between Ruby and Clearwater Canyons 963 Comment
  CAS-BOT-BC343700  Madia elegans Timothy S. Ross; Steve Boyd 1994-5-11 7791 Los Angeles Liebre Mountains. Atmore Meadows Spur Road: East end of Liebre Mtn near the head of North Fork Fish Canyon 1499 Comment
  CAS-BOT-BC343702  Madia elegans Timothy S. Ross; Steve Boyd 1994-6-23 8030 Los Angeles Liebre Mountains. Sawmill Mountain: 5514-ft summit and immediately adjacent slopes 1680 Comment
  CAS-BOT-BC345519  Malacothrix coulteri Timothy S. Ross 1991-4-27 4725 Los Angeles Black Butte: rocky easterly and northeasterly slopes 1091 Comment
  CAS-BOT-BC356715  Pseudognaphalium californicum Tim Ross; Steve Boyd 1994-5-10 7694 Los Angeles Liebre Mountains. Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mtn summit 890 Comment
  CAS-BOT-BC357041  Pseudognaphalium luteoalbum Timothy S. Ross; Steve Boyd 1994-5-10 7710 Los Angeles Liebre Mountains. Warm Springs Canyon: Spring (un-named, but marked on topo map) along Warm Springs - Fish Canyon Truck Trail (6N32); ca 2160 m NNW of Warm Springs Mtn summit 804 Comment
  CAS-BOT-BC374810  Stebbinsoseris heterocarpa Timothy S. Ross; Gery Allan; Mark Elvin; Jennifer Stone 1995-5-19 8588 a Los Angeles San Clemente Island: Northern tributary of Canchalagua Canyon, ca. 1070 ft NNE of the 1135-ft triangulation point 268 Comment
  CAS-BOT-BC375358  Stephanomeria exigua subsp. coronaria Timothy S. Ross; Steve Boyd 1994-9-21 8280 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  CAS-BOT-BC38143  Caulanthus amplexicaulis Timothy S. Ross; Steve Boyd 1990-5-31 2733 Los Angeles San Gabriel Mountains. Ridge descending northward from Mount Gleason. 1847 Comment
  CAS-BOT-BC38145  Caulanthus amplexicaulis Timothy S. Ross; Steve Boyd 1994-5-11 7827 Los Angeles Liebre Mountains. Sawmill Mountain. Center summit area, along Maxwell Truck Trail. Ca. 1085 m SSW of Upper Lake Campgnd. 1584 Comment
  CAS-BOT-BC38467  Caulanthus coulteri Timothy S. Ross 1995-4-26 8382 Los Angeles Liebre Mountains. West end of Liebre Mountain along FS Road 7N23. 1341 Comment
  CAS-BOT-BC388669  Minuartia douglasii Timothy S. Ross; Steve Boyd 1994-6-23 8069 Los Angeles Liebre Mountains. Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch 1597 Comment
  CAS-BOT-BC389109  Silene laciniata subsp. californica Timothy S. Ross; Victor W Steinmann 1995-5-8 8541 Los Angeles Liebre Mountains. Bouquet Canyon: along Bouquet Canyon Road near Bouquet Campground No. 3 743 Comment
  CAS-BOT-BC392356  Thalictrum fendleri Timothy S. Ross; Steve Boyd 1990-6-1 2778 Los Angeles San Gabriel Mountains. Magnetic Springs: in Moody Canyon (ca 2.15 air-miles NW of Mt Gleason) 1194 Comment
  CAS-BOT-BC39565  Caulanthus major Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3361 Los Angeles San Gabriel Mountains. Big Rock Creek Canyon. Ca. 120 m north northwest of Icy Springs. 1731 Comment
  CAS-BOT-BC401997  Gilia ochroleuca subsp. bizonata Timothy S. Ross; Steve Boyd 1994-5-25 7887 Los Angeles Liebre Mountains. West Summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersection of sections 3, 4, 9, & 10 1708 Comment
  CAS-BOT-BC402257  Dicentra chrysantha Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-22 3761 Los Angeles San Gabriel Mountains. Pinyon Ridge: Western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone 1950 Comment
  CAS-BOT-BC403188  Eschscholzia californica Timothy S. Ross; Steve Boyd 1994-5-11 7804 Los Angeles Liebre Mountains. Sawmill Mountain: W summit area ca 260-350 m SE of Sawmill Campground 1621 Comment
  CAS-BOT-BC403917  Parietaria hespera Tim Ross; Steve Boyd 1991-4-25 4610 Los Angeles San Gabriel Mtns: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.) 530 Comment
  CAS-BOT-BC404126  Urtica dioica subsp. holosericea Timothy S. Ross; Steve Boyd 1994-9-21 8339 Los Angeles Liebre Mountains. Cow Spring Pond: sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the S side of West Oakdale Canyon Road, ca 100 m W of the Cow Spring Canyon drainage 1155 Comment
  CAS-BOT-BC40723  Erysimum capitatum Tim Ross; Steve Boyd 1991-4-25 4594 Los Angeles San Gabriel Mountains. Lower Graveyard Canyon (which joins the lower East Fork of the San Gabriel River). 469 Comment
  CAS-BOT-BC421205  Pterostegia drymarioides Timothy S. Ross 1992-4-21 6232 Los Angeles San Gabriel Mountains. W and SW of Horse Canyon Saddle; along an old roadcut (ultimately joining Lower Monroe Road) that marks the NW boundary of the San Dimas Experimental Forest 1072 Comment
  CAS-BOT-BC421207  Pterostegia drymarioides Tim Ross; Steve Boyd 1991-4-25 4570 Los Angeles San Gabriel Mtns: Doe Flat and immediate vicinity, situated betwen Graveyard Canyon and the E Fk of Susanna Canyon, draining to the lower E Fk of the San Gabriel River. 865 Comment
  CAS-BOT-BC427744  Crassula connata Timothy S. Ross 1991-4-28 4760 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 975 Comment
  CAS-BOT-BC428118  Dudleya cymosa subsp. cymosa Timothy S. Ross; Steve Boyd 1994-5-25 7940 Los Angeles Liebre Mountains. Necktie Basin: Hanging basin ca 470-830 m W of Warm Springs Mtn summit. These collections from ca 600-800 m WSW of summit. 1075 Comment
  CAS-BOT-BC42893  Ambrosia acanthicarpa Timothy S. Ross; Steve Boyd 1994-9-20 8247 Los Angeles Upper Bouquet Canyon; ca 2225 m WSW of Lincoln Crest, and 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road 993 Comment
  CAS-BOT-BC432212  Lithophragma bolanderi Timothy S. Ross; Steve Boyd 1994-5-11 7823 Los Angeles Sawmill Mountain: N slope of the W summit area, about headwaters of West Fork Devils Gulch. Burnt Peak 7.5' USGS Quadrangle. 1548 Comment
  CAS-BOT-BC433927  Rumex salicifolius Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3814 Los Angeles San Gabriel Mountains. Vicinity of Crystal Lake 1700 Comment
  CAS-BOT-BC434650  Mirabilis laevis var. crassifolia Timothy S. Ross; J. Mark Porter 1995-5-4 8475 Los Angeles Liebre Mountains. Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 682 Comment
  CAS-BOT-BC434813  Mirabilis laevis var. retrorsa Timothy S. Ross 1991-4-27 4702 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 1082 Comment
  CAS-BOT-BC438752  Cistanthe monandra Timothy S. Ross; Victor W Steinmann 1995-5-8 8560 Los Angeles Liebre Mountains. Slopes between Leona Valley and Lost Valley. 1182 Comment
  CAS-BOT-BC439125  Claytonia exigua subsp. exigua Timothy S. Ross; Steve Boyd 1994-5-11 7813 Los Angeles Liebre Mountains. Sawmill Mountain: W summit area ca 260-350 m SE of Sawmill Campground. 1621 Comment
  CAS-BOT-BC441131  Lithophragma parviflorum Timothy S. Ross; Steve Boyd 1994-5-11 7822 Los Angeles Sawmill Mountain: N slope of the W summit area, about headwaters of West Fork Devils Gulch. Burnt Peak. 1548 Comment
  CAS-BOT-BC447694  Aphanes occidentalis Tim Ross; Janet Takara 1993-4-23 6941 Los Angeles Santa Catalina Island: upper E side of Cottonwood Canyon drainage, ca 980 m WNW of Black Jack Mtn summit 469 Comment
  CAS-BOT-BC45627  Quercus agrifolia Timothy S. Ross; J. Mark Porter 1995-5-4 8473 Los Angeles Texas Canyon: ca. 3.6 road miles NE of Bouquet Canyon Road. USGS 7.5' Green Valley Quadrangle 682 Comment
  CAS-BOT-BC471088  Allium lacunosum var. lacunosum Timothy S. Ross; Steve Boyd 1994-5-25 7922 Los Angeles Necktie Basin: Hanging basin ca 470-830 m W of Warm Springs Mtn summit. These collections from ca 600-800 m WSW of summit. 1075 Comment
  CAS-BOT-BC48166  Heuchera elegans Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3769 Los Angeles San Gabriel Mountains - Vicinity of Crystal Lake USGS 7.5' Quad. 1700 Comment
  CAS-BOT-BC48757  Ceanothus crassifolius Timothy S. Ross 1992-4-21 6227 Los Angeles W and SW of Horse Canyon Saddle: along an old roadcut (ultimately joining Lower Monroe Road) that marks the NW boundary 1072 Comment
  CAS-BOT-BC48878  Ceanothus cuneatus Timothy S. Ross; J. Mark Porter 1995-5-4 8428 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. USGS 7.5' Green Valley Quadrangle 585 Comment
  CAS-BOT-BC496758  Calochortus venustus Tim Ross; Steve Boyd 1993-5-23 7256 Los Angeles Saddle between Red Mtn's lone E ridge and a small notched peak (3227-ft), ca 700 m SSW of Plum Spring (in upper clearwater Canyon). 908 Comment
  CAS-BOT-BC502898  Orobanche fasciculata Tim Ross; Steve Boyd 1993-5-23 7222 Los Angeles Liebre Mountains: Lower, esterly ridge of Red Mtn, on northerly slope 140--220 m SE of the saddle between Ruby and Clearwater Canyons 963 Comment
  CAS-BOT-BC50464  Ceanothus oliganthus Timothy S. Ross 1993-6-1 7350 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail between Chantry Flat and Hoegee Camp (on Winter Creek), 768 Comment
  CAS-BOT-BC50465  Ceanothus oliganthus Timothy S. Ross 1992-4-21 6226 Los Angeles San Gabriel Mountains: Head of Horse Canyon: N side of Horse Canyon Saddle 987 Comment
  CAS-BOT-BC50493  Ceanothus oliganthus Tim Ross; Steve Boyd 1991-4-25 4602 Los Angeles San Gabriel Mtns: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.) 530 Comment
  CAS-BOT-BC50551  Ceanothus leucodermis Timothy S. Ross; Darin Banks 1994-4-13 7533 Los Angeles Liebre Mts. - Lower Clearwater Canyon: ca 1400 m ESE of Plum Spring and ca 960 m W of San Francisquito Powerhouse No. 1 707 Comment
  CAS-BOT-BC50552  Ceanothus leucodermis Timothy S. Ross; Steve Boyd 1994-5-10 7695 Los Angeles Liebre Mts. - Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs 890 Comment
  CAS-BOT-BC50568  Ceanothus leucodermis Timothy S. Ross 1993-6-1 7348 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail between Chatry Flat and Hoegee Camp (on Winter Creek), 768 Comment
  CAS-BOT-BC51442  Ceanothus megacarpus var. megacarpus Tim Ross 1993-4-22 6888 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft) 350 Comment
  CAS-BOT-BC52497  Ceanothus vestitus Timothy S. Ross; Steve Boyd 1994-5-4 7655 Los Angeles Grass Mountain: ridgetop saddle between the main summit and the northeast summit. Lake Hughes 7.5' USGS Quadrangle 1383 Comment
  CAS-BOT-BC52555  Frangula californica subsp. californica Timothy S. Ross; Steve Boyd 1990-6-1 2728 Los Angeles Magnetic Springs: in Moody Canyon (ca 2.15 air-miles NW of Mt Gleason). Acton USGS 7.5' quad 1194 Comment
  CAS-BOT-BC55206  Erysimum suffrutescens G. B. Rossbach 1940-2-25 924 Los Angeles El Segundo. Comment
  CAS-BOT-BC55992  Rhamnus ilicifolia Timothy S. Ross; Steve Boyd 1994-5-4 7668 Los Angeles Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley. 1389 Comment
  CAS-BOT-BC59839  Rhamnus ilicifolia Timothy S. Ross; Steve Boyd 1995-6-28 8645 Los Angeles Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. Burnt Peak 7.5' USGS Quad. 737 Comment
  CAS-BOT-BC59840  Rhamnus ilicifolia Timothy S. Ross; Steve Boyd 1993-5-23 7272 Los Angeles Northerly draw draining from saddle between Red Mtn's long e. ridge and a small notched peak (3227-ft), to upper 896 Comment
  CAS-BOT-BC60048  Lepidium virginicum var. menziesii Tim Ross; Steve Boyd 1991-4-25 4608 Los Angeles San Gabriel Mountains. Lower Graveyard Canyon (which joins the lower east Fork of the San Gabriel River). 469 Comment
  CAS-BOT-BC60962  Stanleya pinnata var. pinnata Timothy S. Ross; Steve Boyd 1990-5-29 2713 Los Angeles San Gabriel Mountains. Big Rock Springs. Immediate vicinity of Big Rock Creek where crossed by Big Pines Highway. 1194 Comment
  CAS-BOT-BC61539  Quercus lobata Timothy S. Ross; Steve Boyd 1994-9-21 8316 Los Angeles Sandberg: 150-170 m SSE of town along the Old Ridge Route. Liebre Mountain 7.5' USGS Quadrangle 1277 Comment
  CAS-BOT-BC62045  Selaginella bigelovii Timothy S. Ross; Steve Boyd 1994-5-25 7951 Los Angeles Necktie Basin: Hanging basin ca 470-830 m W of Warm Springs Mtn summit, ca 600-800 m WSW of summit, 1075 Comment
  CAS-BOT-BC62570  Quercus chrysolepis Timothy S. Ross; Orlando Mistretta; Carolyn Neal 1994-7-1 8078 Los Angeles San Gabriel Mountains: sheep Camp Spring, 334 deg. and 520 m NNW of Pacifico Mtn Summit, at the headwaters of Santiago Canyon 1940 Comment
  CAS-BOT-BC64021  Anisocoma acaulis Timothy S. Ross 1994-5-25 7891 Los Angeles West summit of Liebre Mountain: 1708 Comment
  CAS-BOT-BC65575  Adiantum capillus-veneris Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-6 8108 Los Angeles Tributary of Clearwater Canyon: Fork area of major blueline tributary which drains southward from Tule Ridge 847 Comment
  CAS-BOT-BC67015  Thysanocarpus laciniatus Timothy S. Ross; Darin Banks 1994-4-12 7472 Los Angeles Liebre Mountains. San Francisquito Canyon. Westerly draw draining from ridge which divides S. Fr. Canyon from Dry Canyon 542 Comment
  CAS-BOT-BC67017  Thysanocarpus laciniatus Timothy S. Ross; Victor W. Steinmann 1995-5-8 8571 Los Angeles Liebre Mountains. Slopes between Leona Valley and Lost Valley. 1182 Comment
  CAS-BOT-BC73759  Peritoma arborea var. arborea Timothy S. Ross; J. Mark Porter 1995-5-4 8410 Los Angeles Liebre Mountains, Texas Canyon - ca. 1.9 road miles NE of Bouquet Canyon Road. USGS 7.5' Green Valley Quadrangle 585 Comment
  CAS-BOT-BC74377  Rorippa curvipes Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3826 Los Angeles San Gabriel Mountains. Vicinity of Crystal Lake. 1700 Comment
  CAS-BOT-BC81809  Ephedra nevadensis Timothy S. Ross 1992-4-4 6104 Los Angeles Big Rock Cree: ca 0.25 mile S of Big Pines Highway, between the stream and Big Rock Creek Road. Valyermo USGS 7.5' Quad 1210 Comment
  CAS-BOT-BC81964  Ephedra viridis Tim Ross; Steve Boyd 1990-5-29 2705 Los Angeles San Gabriel Mtns: Big Rock Creek. Vicinity of an old, destroyed homestead on the W side of the riparian strip, just 1240 Comment
  CAS-BOT-BC81965  Ephedra viridis Tim Ross 1995-4-26 8385 Los Angeles Liebre Gulch: along Forest Service Road 8N05 descending into the gulch from the Tumble Inn (site) on the Old Ridge Route 1024 Comment
  CAS-BOT-BC82906  Dendromecon rigida Timothy S. Ross; Steve Boyd 1994-5-25 7930 Los Angeles Liebre Mountains. Necktie Basin. Hanging basin ca. 470-830 meters west of Warm Springs Mountain summit. 1075 Comment
  CAS-BOT-BC86898  Quercus douglasii Timothy S. Ross; Steve Boyd 1994-9-21 8323 Los Angeles Sandberg: low, rounded knoll ca 150-260 m SW of town. Liebre Mountain. 7.5' USGS Quadrangle 1292 Comment
  CAS-BOT-BC88453  Thysanocarpus curvipes Timothy S. Ross 1991-4-28 4765 Los Angeles Adobe Mountain. Southwesterly extension of the mountain. 975 Comment
  CAS-BOT-BC90161  Artemisia californica Tim Ross; Steve Boyd 1994-9-20 8219 Los Angeles Upper Bee Canyon: drainage on SE side of Antelope Valley Freeway (Hwy 14), 1.1 road miles SW of Agua Dulce Road 740 Comment
  CAS-BOT-BC91129  Umbellularia californica Tim Ross; Orlando Mistretta 1993-5-26 7304 Los Angeles West end of the San Gabriel Mountains. Near head of upper East Fork Wilson Canyon just south of Lupine Saddle. 640 Comment
  CAS-BOT-BC91670  Platystemon californicus Timothy S. Ross; Steve Boyd 1994-6-23 8041 Los Angeles Liebre Mountains. Sawmill Mountain. 5514 foot summit and immediately adjacent slopes. 1680 Comment
  CAS-BOT-BC93193  Platanus racemosa Timothy S. Ross; Darin Banks 1994-4-13 7523 Los Angeles Liebre Mountains. San Francisquito Canyon. Ca. 430 m SW of San Francisquito Powerhouse No. 2. 487 Comment
  CAS-BOT-BC93826  Artemisia dracunculus Timothy S. Ross; Steve Boyd 1994-9-20 8249 Los Angeles Liebre Mountains - Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet 993 Comment
  CAS-BOT-BC94752  Quercus john-tuckeri Timothy S. Ross; Steve Boyd 1994-9-20 8218 Los Angeles Upper Bee Canyon: drainage on SE side of Antelope Valley Freeway (Hwy 14), 1.1 road miles SW of Agua Dulce Road 740 Comment
  CAS-BOT-BC94753  Quercus john-tuckeri Timothy S. Ross; Steve Boyd 1994-9-20 8246 b Los Angeles Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along 993 Comment
  CAS-BOT-BC98154  Baccharis salicifolia Timothy S. Ross; Darin Banks 1994-4-13 7518 Los Angeles Liebre Mountains, San Francisquito Canyon: riparian strip and adjacent lower slopes ca 430 m SW of San Francisquito 487 Comment
  CAS-BOT-BC98155  Baccharis salicifolia Timothy S. Ross; Steve Boyd 1994-5-10 7706 Los Angeles Liebre Mountains, Saddle divide between East Fork Fish Canyon adn Warm Springs Canyon: vicinity, crossroads of 890 Comment
  CDA2305  Piptatherum miliaceum T. S. Ross, Peter Fritsch 1990-6-2 3595 Los Angeles San Gabriel Mountains; Mouth of Burro Canyon near the confluence of the E and W forks of the San Gabriel River Comment
  CDA31589  Bromus catharticus T. S. Ross, Annette Ross 1991-6-3 5546 Los Angeles Coastal Plains & Basins; San Bernardino Basin region; Elephant Hill : west Pomona. T1S R9W W2/3 S/2 section 26 (projected). Elev. ca. 900 ft. Near S base of hill. Comment
  CDA3912  Prunus persica T. S. Ross 1991-4-21 4499 Los Angeles Peninsular Ranges; Chino-Puente Hills region. Whittier hills (Puente hills, pro parte): Turnbull canyon drainage near mouth of Turnbull canyon. Comment
  CDA4986  Schinus molle T. S. Ross, Annette Ross 1991-3-7 4133 Los Angeles Coastal Plains and Basins; San Bernardino Basin region; Elephant Hill: western Pomona. T1S R9W, W 2/3 S1/2 sec. 26 (projected); San Dimas USGS 7.5 quadrangle. Elev. 780 ft. Comment
  CDA9972  Ambrosia confertiflora T. S. Ross 1991-3-9 4179 Los Angeles Whittier Hills (Puente Hills, pro parte): Southeast side of ridgetop knoll, head of Oak Canyon. Comment
  JEPS114004  Galium andrewsii subsp. intermedium Timothy S. Ross and Steve Boyd 1994-9-21 8345 Los Angeles Cow Spring Pond: sag pond on the San Andreas Fault Zone at the foot of Liebre Mountain and on the S side of West Oakdale Canyon Road, co 100 m W of the Cow Spring Canyon drainage. Comment
  JEPS114006  Galium californicum subsp. flaccidum Timothy S. Ross and Steve Boyd 1993-5-23 7246 Los Angeles Lower, easterly ridge of Red Mountain, on N to NE slope ca 500-570 m SE of the saddle between Ruby and Clearwater Canyons. Comment
  JEPS114007  Galium porrigens var. porrigens Timothy S. Ross and Steve Boyd 1992-7-5 6629 Los Angeles Red Mountain: mesic draw draining E from the saddle between the Red Mountain summit area and the 3704-foot knoll to the SE of it. Comment
  JEPS114013  Galium angustifolium subsp. angustifolium Timothy S. Ross and Steve Boyd 1994-5-10 7701 Los Angeles Saddle divide between E. Fork Fish Canyon and Warm Springs Canyon; vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132), NNW of Warm Springs Mountain summit. Comment
  JEPS17963  Penstemon heterophyllus var. australis George B. Rossbach 1955-6-20 492 Los Angeles Los Angeles Crest Highway (Route 2) about 2 mi n Mill Creek Summit (near Aliso Canyon Road); n of Mill Creek Summit 1219 Comment
  JEPS87548  Symphoricarpos albus var. laevigatus Tim Ross and Walter Appleby 1993-5-20 7196 a Los Angeles between Wilson Canyon Saddle and Los Pinetos Spring (head of Los Pinetos Canyon, w San Gabriel Mtns); San Gabriel Mtns. Los Pinetos Canyon, San Fernando U.S.G.S.; [mature flrg stems] 914 Comment
  LA106700  Encelia californica Timothy Ross; 1991-3-24 4314 Los Angeles Whittier Hills (Puente Hills, pro parte) 310 Comment
  NY127798  Juniperus californica T. S. Ross 1990-6-11 3391 Los Angeles San Gabriel Mountains. Little Rock Creek: Joshua Tree Campground on the southwest side of Little Rock Reservoir; Pacifico Mountain 7.5' USGS topo sheet 996.7 Comment
  NY30011  Ephedra viridis T. S. Ross 1994-5-29 2705 Los Angeles San Gabriel Mountains: Big Rock Creek. Vicinity of an old destoyed homestead on the west side of the riparian strip, just upstream from the gaging Station (only the foundation and scattered rocks remain). Valyermo 7.5' USGS Quadrangle 1239.0 Comment
  NY601245  Penstemon grinnellii var. scrophularioides T. S. Ross 1994-5-4 7647 Los Angeles Vicinity of Grass Mountain: ridge descending east-southeast from the north summit of Grass Mountain; margin of Grass Mountain - Leona Divide Truck Trail. 1274.1 Comment
  NY604257  Penstemon labrosus T. S. Ross 1994-7-7 8134 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca. 85 m south of intersection of sections 3,4,9,10). 1676.4 Comment
  NY661172  Penstemon spectabilis var. spectabilis T. S. Ross 1990-6-20 3690 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24): ridgetop between W Fork San Gabriel River and Roberts Canyon 1255.8 Comment
  NY70820  Ephedra viridis T. S. Ross 1990-6-6 2874 Los Angeles Piru Pond: Los Padres National Forest (administered by Angeles National Forest). Liebre Mtn. USGS 7.5' Quadrangle 644.7 Comment
  NY73772  Ephedra nevadensis T. S. Ross 1992-4-4 6104 Los Angeles San gabriel Mountains: Big Rock Creek: ca. 0.25 mile south of Big Pines Highway, on alluvial bench between the stream and Bog Rock Creekl Road. Valyermo USGS 7.5' Quad 1207.0 Comment
  NY759478  Solanum douglasii T. S. Ross 1991-2-23 4110 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon ca 1/5 air-mile WNW of Turnbull Canyon Rd x Skyline Drive. 299 Comment
  NY76536  Lepidium latifolium T. S. Ross 1993-5-23 7213 Los Angeles Western Arcadia: slope on the north side of the Foothill Freeway (I-20) between Michillinda Avenue and its westbound off-ramp. Mt. Wilson 7.5 feet USGS quad 198.1 Comment
  NY790235  Keckiella cordifolia T. S. Ross 1992-7-5 6606 Los Angeles RED MOUNTAIN: rocky summit area. Warm Springs Mountain 7.5' USGS quadrangle 1200.9 Comment
  NY790236  Keckiella cordifolia T. S. Ross 1993-4-22 6914 Los Angeles SANTA CATALINA ISLAND: southwest part of the island in Bullrush Canyon; along old dirt road (no longer maintained) that ascends the ridge to the north and drops to Thompson Dam; Santa Catalina South USGS 7.5' quad. 236.2 Comment
  NY790457  Keckiella ternata var. septentrionalis T. S. Ross 1990-6-28 3957 Los Angeles Liebre Mountain: southerly slopes to the south and southwest of the West Summit and ridge to its West. Liebre Mountain 7.5' USGS Quadrangle. 1389.9 Comment
  RSA0012596  Eucalyptus globulus Tim S. Ross, Annette Ross 1991-6-3 5556 -a Los Angeles San Jose Hills: undeveloped slopes west of California State Polytechnic University, Pomona. 274 Comment
  RSA0012597  Eucalyptus globulus Tim S. Ross, Annette Ross 1991-6-3 5556 -b Los Angeles San Jose Hills: undeveloped slopes west of California State Polytechnic University, Pomona. 274 Comment
  RSA0016260  Gilia ochroleuca subsp. bizonata T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3902 Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  RSA0017186  Gilia ochroleuca subsp. vivida T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3800 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  RSA0039179  Thysanocarpus desertorum Timothy S. Ross 1991-4-27 4641 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line 1183 Comment
  RSA0041693  Thysanocarpus laciniatus Tim Ross, Steve Boyd 1993-5-23 7268 Los Angeles Steep, northerly draw draining from saddle between Red Mtn's long E ridge and a small notched peak (3227 ft) to upper Clearwater Canyon, ca. 430-500 m SSW of Plum Spring. 874 Comment
  RSA0060135  Nicotiana quadrivalvis Tim S. Ross, Steve D. Boyd 1994-5-10 7749 Los Angeles Lower Deer Canyon: inside the rather broad mouth of the canyon, ca 220-380 m NNW of its confluence with Elizabeth Lake Canyon. 873 Comment
  RSA0062913  Pentagramma triangularis T. S. Ross, Gery Allen, Mark Elvin, Jennifer Stone 1995-5-19 8582 Los Angeles San Clemente Island: Northern tributary of Canchalagua Canyon, 1070 ft NNE of the 1135-ft triangulation point. 243 Comment
  RSA0063396  Cuscuta occidentalis T. S. Ross, Orlando Mistretta, M. Hammitt 1991-5-17 5087 Los Angeles San Clemente Island: At West Cove, SW of the new landing field. 6 Comment
  RSA0068961  Linanthus dichotomus subsp. pattersonii T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4856 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA0068962  Linanthus dichotomus subsp. pattersonii T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4960 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  RSA0070745  Pentagramma viscosa T. S. Ross 1993-4-22 6909 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); 885 m due N of Cactus Peak summit; northerly slope draining to middle Bullrush Canyon. 289 Comment
  RSA0070817  Pentagramma triangularis T. S. Ross, Steve Boyd 1990-5-31 2742 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA0070824  Pentagramma triangularis Tim Ross, Steve Boyd 1993-5-23 7236 Los Angeles Lower, easterly ridge of Red Mountain, on northerly slope ca. 380 m SE of the saddle between Ruby and Clearwater Canyons. 963 Comment
  RSA0074400  Heterotheca grandiflora Timothy S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, D. L. Banks, Megan Tommerup 1994-3-28 7416 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes, unnamed horseshoe shaped canyon to NE of upper Forrestal Drive 168 Comment
  RSA0079363  Cryptantha muricata var. muricata Timothy S. Ross, Steve Boyd 1994-5-4 7644 Los Angeles Liebre Mountains, San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600m SW of summit of grade; ca 2460 m ESE of Grass Mountain summit. 1055 Comment
  RSA0079455  Cryptantha muricata var. muricata T. S. Ross, Steve D. Boyd 1991-7-24 5597 Los Angeles Granite Mountain vicinity: near intersection of Pacifico Mountain Road x Roundtop Truck Road. 1902 Comment
  RSA0095177  Gilia ochroleuca subsp. bizonata T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4974 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  RSA0095285  Microsteris gracilis Timothy S. Ross, Steve D. Boyd 1994-5-11 7805 Los Angeles Sawmill Mountain: W summit area ca. 260-350 m SE of Sawmill Campground. 1597 Comment
  RSA0096915  Lupinus microcarpus var. densiflorus T. S. Ross, J. Mark Porter 1995-5-4 8474 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA0097876  Spergularia bocconi Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5336 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  RSA0104856  Eriastrum densifolium subsp. austromontanum T. S. Ross 1992-7-17 6720 Los Angeles San Gabriel Mtns: Summit of Condor Peak. 1645 Comment
  RSA0106199  Zeltnera exaltata Tim S. Ross, Steve D. Boyd 1994-9-21 8328 Los Angeles 'Cow Spring Pond': sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the S side of West Oakdale Canyon Road, ca 100m W of the Cow Spring Canyon drainage. 1149 Comment
  RSA0128609  Arabis repanda var. repanda Timothy S. Ross, S. D. Boyd 1990-6-18 3461 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA502794  Chenopodium botrys T. S. Ross, Annette Ross 1989-9-20 1776 Los Angeles San Antonio Canyon near pond west of Spring Hill and below Baldy Road in the Canyon 975 Comment
  RSA502804  Mentha aquatica Tim S. Ross, Annette Ross 1989-9-20 1777 Los Angeles San Antonio Canyon west of Spring Hill in the canyon. 976 Comment
  RSA502806  Ericameria parishii var. parishii Timothy S. Ross, Annette Ross 1989-9-20 1787 b Los Angeles San Antonio Canyon near north west base of Spring Hill 1024 Comment
  RSA517105  Punica granatum Tim S. Ross, Steve Boyd 1990-5-14 2460 Los Angeles San Gabriel Mtns, Little Tujunga Canyon, Tujunga Ranger district, Angeles National Forest. Adventive and naturalizing along Little Tujunga Road on roadside embankment 463 Comment
  RSA517111  Chenopodium pratericola T. S. Ross, Steve D. Boyd 1990-5-14 2466 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1140 Comment
  RSA517113  Arctostaphylos glandulosa subsp. glaucomollis T. S. Ross 1990-5-14 2468 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1049 Comment
  RSA517124  Cryptantha clevelandii T. S. Ross 1990-5-14 2503 Los Angeles San Gabriel Mtns: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1095 Comment
  RSA517130  Quercus chrysolepis Tim S. Ross 1990-5-14 2497 Los Angeles San Gabriel Mtns: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger Distric. 1098 Comment
  RSA517139  Sambucus mexicana T. S. Ross 1990-5-14 2489 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1140 Comment
  RSA517140  Quercus berberidifolia Tim S. Ross 1990-5-14 2488 Los Angeles San Gabriel Mtns: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1095 Comment
  RSA517144  Mimulus aurantiacus Tim S. Ross, S. D. Boyd 1990-5-14 2484 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Rander District. 1079 Comment
  RSA517155  Asclepias fascicularis T. S. Ross, Orlando Mistretta 1990-10-9 3241 Los Angeles San Gabriel Mountains: Upper Mill Creek Drainage; Tujunga Ranger District, Angeles National Forest. 1432 Comment
  RSA517158  Muhlenbergia rigens Timothy S. Ross 1990-10-9 3253 Los Angeles San Gabriel Mountains: Mill Creek Drainage, Tujunga Ranger District, Angeles National Forest 1436 Comment
  RSA517165  Chrysothamnus nauseosus subsp. mohavensis Timothy S. Ross, Orlando Mistretta 1990-10-9 3263 Los Angeles San Gabriel Mountains: Mill Creek Drainage, Tujunga Ranger District, Angeles National Forest. 1454 Comment
  RSA517168  Ericameria pinifolia Timothy S. Ross, Orlando Mistretta 1990-10-9 3266 Los Angeles San Gabriel Mountains: Mill Creek Drainage, Tujunga Ranger District, Angeles National Forest. 1457 Comment
  RSA517174  Ficus carica Tim S. Ross, Orlando Mistretta 1990-10-16 3278 Los Angeles San Gabriel Mountains: Mt Baldy Ranger District, Angeles National Forest. Cape Horn Canyon. 665 Comment
  RSA517177  Hazardia squarrosa var. grindelioides Timothy S. Ross, Orlando Mistretta 1990-10-16 3282 Los Angeles San Gabriel Mountains: Mt Baldy Ranger District, Angeles National Forest. Cape Horn Canyon. 756 Comment
  RSA522332  Ceanothus integerrimus Tim S. Ross 1990-7-10 4031 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District. Westerly drainage that meets Tie Canyon. 1524 Comment
  RSA522335  Arctostaphylos patula T. S. Ross 1990-7-10 4027 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District. Westerly drainage that meets Tie Canyon. 1524 Comment
  RSA522341  Mimulus aurantiacus Tim S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4021 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District, Angeles National Forest. Comment
  RSA522342  Senecio flaccidus var. douglasii Timothy S. Ross, Orlando Mistretta, Peter W. Fritsch 1990-7-10 4020 Los Angeles NNE of Tie summit Station and E of Angeles Forest Hwy., Tujunga Ranger District. 1561 Comment
  RSA522432  Cirsium occidentale var. californicum Timothy S. Ross, Orlando Mistretta, Peter W. Fritsch 1990-7-10 4019 Los Angeles NNE of Tie summit Station and E of Angeles Forest Hwy., Tujunga Ranger District. 1561 Comment
  RSA522433  Salix lucida subsp. lasiandra Tim S. Ross, Orlando Mistretta, Peter W. Fritsch 1990-7-10 4018 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District, Angeles National Forest. Comment
  RSA522441  Chorizanthe staticoides Tim S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4064 Los Angeles NNE of Tie Summit Station and E of Angeles Forest Hwy., Tujunga Ranger District, Angeles Nat'l Forest. 1463 Comment
  RSA522442  Malacothamnus fremontii Tim S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4063 Los Angeles NNE of Tie Summit Station and E of Angeles Forest Hwy, Tujunga Ranger District. 1564 Comment
  RSA522443  Melica imperfecta Timothy S. Ross 1990-7-10 4062 Los Angeles NE of Tie Summit Station and E of Angeles Forest Hwy. Westerly drainage that meets Tie Canyon. Tujunga Ranger District, Angeles National Forest. 1463 Comment
  RSA522457  Quercus chrysolepis Tim S. Ross 1990-7-10 4047 Los Angeles NE of Tie Summit Station and E of Angeles Forest Hwy. Westerly drainage that meets Tie Canyon. Tujunga Ranger District, Angeles National Forest. 1463 Comment
  RSA522460  Pycnanthemum californicum Tim S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4044 Los Angeles NE of Tie Summit Station and E of Angeles Forest Hwy. Westerly drainage that meets Tie Canyon. Tujunga Ranger District, Angeles National Forest. 1463 Comment
  RSA522464  Rhus trilobata T. S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4040 Los Angeles NNE of Tie summit Station and E of Angeles Forest Hwy., Tujunga Ranger District. 1561 Comment
  RSA522467  Cynodon dactylon Timothy S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4037 Los Angeles San Gabriel Mountains: about .8 km N of Aliso Spring along the W shoulder of Angeles Forest Highway, Tujunga Ranger District, Angeles National Forest. Comment
  RSA522927  Hedera helix T. S. Ross, Orlando Mistretta 1990-10-24 3288 Los Angeles San Gabriel Mountains: Cape Horn Management Area, Angeles National Forest. 543 Comment
  RSA522936  Eriogonum elongatum var. elongatum Tim S. Ross, Orlando Mistretta 1990-10-24 3298 Los Angeles San Gabriel Mountains: between Venedo and Minero Canyons, 0.6 mi E of the San Gabriel Reservoir. 745 Comment
  RSA522939  Ambrosia acanthicarpa Timothy S. Ross, Orlando Mistretta 1990-10-24 3307 Los Angeles San Gabriel Mountains: Upper reaches of Venedo Canyon (off the E side of the San Gabriel Reservoir) where crossed by the Upper Monroe Road. 880 Comment
  RSA522940  Filago gallica Timothy S. Ross, Orlando Mistretta 1990-10-24 3305 Los Angeles San Gabriel Mountains: Upper reaches of Venedo Canyon (off the E side of the San Gabriel Reservoir) where crossed by the Upper Monroe Road. 880 Comment
  RSA522946  Brickellia californica Timothy S. Ross, Orlando Mistretta 1990-10-24 3293 Los Angeles San Gabriel Mountains: between Venedo and Minero Canyons, 0.6 mi E of the San Gabriel Reservoir. 745 Comment
  RSA522955  Castilleja minor subsp. spiralis Tim S. Ross, Orlando Mistretta 1990-10-26 3320 Los Angeles San Gabriel Mountains: Horse Canyon drainage. 659 Comment
  RSA522977  Yucca guatemalensis Timothy S. Ross 1991-2-23 4091 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon on slope dropping WNW from Turnbull Canyon Road x Skyline Drive. 292 Comment
  RSA522981  Pinus halepensis T. S. Ross, Orlando Mistretta 1990-10-24 3287 Los Angeles San Gabriel Mountains: Cape Horn Management Area, Angeles National Forest. Ca 1/4 air-mile SSW of Camp Oak Grove along Upper Monroe Road. 524 Comment
  RSA523169  Rhus trilobata var. pilosissima T. S. Ross 1991-2-23 4112 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon ca 1/5 air-mile WNW of Turnbull Cyn Rd & Skyline Drive. 210 Comment
  RSA523172  Schinus molle T. S. Ross 1991-2-23 4114 Los Angeles Whittier Hills: Upper Turnbull Canyon ca 1/4 air-mile W of Turnbull Canyon Rd x Skyline Dr. 311 Comment
  RSA524169  Phacelia longipes Tim S. Ross, Steve D. Boyd 1990-6-6 2878 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  RSA524171  Salvia leucophylla Tim S. Ross, Steve D. Boyd 1990-6-6 2876 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  RSA524173  Ephedra viridis T. S. Ross, Steve Boyd 1990-6-6 2874 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  RSA524186  Nassella cernua Timothy S. Ross, Steve Boyd 1990-6-6 2863 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  RSA524187  Eriogonum fasciculatum var. polifolium Tim S. Ross, Steve Boyd 1990-6-6 2880 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  RSA524198  Glycyrrhiza lepidota T. S. Ross, S. D. Boyd 1990-6-6 2891 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  RSA524624  Collinsia callosa Tim S. Ross, Steve D. Boyd 1990-5-17 2593 Los Angeles San Gabriel Mountains, Angeles National Forest: Mill Creek Tree Plantation, Tujunga District. 1613 Comment
  RSA524627  Mentzelia montana Tim S. Ross, Steve D. Boyd 1990-5-17 2596 Los Angeles San Gabriel Mts.: Mill Creek Tree Plantation, Tujunga District, Angeles National Forest. 1613 Comment
  RSA524630  Cryptantha micrantha var. lepida T. S. Ross, Steve D. Boyd 1990-5-17 2598 Los Angeles Mill Creek Tree Plantation, Tujunga District, Angeles National Forest 1613 Comment
  RSA524637  Phoradendron villosum Tim S. Ross, Steve D. Boyd 1990-6-6 2812 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  RSA524965  Gilia splendens subsp. splendens T. S. Ross, S. D. Boyd 1990-6-6 2819 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  RSA524968  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1990-6-6 2821 B Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  RSA524974  Clarkia Tim S. Ross, Steve D. Boyd 1990-6-6 2830 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  RSA524981  Eriogonum fasciculatum var. polifolium Tim S. Ross, S. D. Boyd 1990-6-6 2836 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  RSA525092  Eriogonum gracile var. gracile Tim S. Ross, S. D. Boyd 1990-6-6 2848 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  RSA525095  Cordylanthus rigidus subsp. setiger Tim S. Ross, Steve D. Boyd 1990-6-6 2851 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  RSA526471  Salix lasiolepis Tim S. Ross 1991-3-24 4304 Los Angeles Whittier Hills (Puente Hills, pro parte): Lower Turnbull Canyon Comment
  RSA526472  Platanus racemosa Tim S. Ross 1991-3-24 4306 Los Angeles Whittier Hills . Lower Turnbull Canyon along riparian strip dominated by Salix lasiolepis and Toxicodendron diversilobum. 171 Comment
  RSA526473  Agave sisalana Timothy S. Ross 1991-3-24 4301 Los Angeles Whittier Hills( Puente Hills, Pro parte). 299 Comment
  RSA526576  Ulmus parvifolia Tim S. Ross 1991-3-24 4305 Los Angeles Whittier Hills (Puente Hills, pro parte): Lower Turnbull Canyon 171 Comment
  RSA526583  Lupinus longifolius Tim S. Ross 1991-3-24 4299 Los Angeles Whittier Hills (Puente Hills, Pro parte). 351 Comment
  RSA527690  Limonium perezii Tim S. Ross, Annette H. Ross 1991-6-3 5512 Los Angeles West Pomona. 256 Comment
  RSA527711  Salix lasiolepis Tim S. Ross, Annette Ross 1991-3-7 4137 Los Angeles Elephant Hill, western Pomona. 230 Comment
  RSA527724  Rhamnus ilicifolia Tim S. Ross, Annette H. Ross 1991-3-7 4154 Los Angeles Elephant Hill: Western Pomona. 341 Comment
  RSA527804  Chenopodium murale T. S. Ross, Annette Ross 1991-6-3 5539 Los Angeles Elephant Hill: W Pomona. 287 Comment
  RSA527807  Datura wrightii Tim S. Ross, Annette Ross 1991-6-3 5540 Los Angeles Elephant Hill: W Pomona. 287 Comment
  RSA527810  Chlorogalum parviflorum Timothy S. Ross, Annette H. Ross 1991-6-3 5528 Los Angeles Elephant Hill: W Pomona. 287 Comment
  RSA529141  Hulsea vestita subsp. gabrielensis Timothy S. Ross, S. D. Boyd 1991-7-24 5631 Los Angeles San Gabriel Mountains, Granite Mountain vicinity: ridge NNE of Granite Mountain. 1866 Comment
  RSA529142  Cirsium occidentale var. californicum Timothy S. Ross, Steve Boyd 1991-7-24 5611 Los Angeles San Gabriel Mountains, Granite Mountain: NNE slope 1915 Comment
  RSA529143  Lupinus excubitus var. johnstonii T. S. Ross 1991-7-24 5636 Los Angeles San Gabriel Mountains, Granite Mountain: NNE slope 1902 Comment
  RSA529160  Sambucus caerulea T. S. Ross, Steve D. Boyd 1991-7-24 5658 -A Los Angeles Granite Mountain: San Gabriel Mountain Range. 1976 Comment
  RSA529164  Frasera neglecta Tim S. Ross 1991-7-24 5650 Los Angeles Granite Mountain. 1942 Comment
  RSA529167  Lupinus excubitus var. austromontanus T. S. Ross 1991-7-24 5648 Los Angeles Granite Mountain 1902 Comment
  RSA529175  Monardella australis Tim S. Ross, Steve Boyd 1991-7-24 5594 Los Angeles Granite Mountain vicinity: near intersection of Pacifico Mountain Road x Roundtop Truck Road. 1902 Comment
  RSA529178  Phoradendron pauciflorum Tim S. Ross, Steve D. Boyd 1991-7-24 5630 Los Angeles San Gabriel Mountains, Granite Mountain vicinity: ridge NNE of Granite Mountain. 1866 Comment
  RSA529180  Phacelia davidsonii Tim S. Ross 1991-7-24 5612 Los Angeles Granite Mountain vicinity: ridge NNE of Granite Mountain. 1915 Comment
  RSA529186  Gayophytum diffusum subsp. parviflorum Tim S. Ross, Steve D. Boyd 1991-7-24 5649 Los Angeles Granite Mountain : San Gabriel Mountain Range. 1902 Comment
  RSA529189  Oxytheca trilobata Tim S. Ross, S. D. Boyd 1991-7-24 5652 Los Angeles Granite Mountain: San Gabriel Mountain Range. 1976 Comment
  RSA529191  Eriogonum fasciculatum var. polifolium Tim S. Ross, S. D. Boyd 1991-7-24 5639 Los Angeles San Gabriel Mountains, Granite Mountain: NNE slope. 1902 Comment
  RSA529193  Keckiella ternata subsp. septentrionalis Tim S. Ross, Steve D. Boyd 1991-7-24 5643 Los Angeles San Gabriel Mountains, Granite Mountain: NNE slope. 1902 Comment
  RSA529198  Galium jepsonii Tim S. Ross, Steve D. Boyd 1991-7-24 5596 Los Angeles Granite Mountain vicinity: near intersection of Pacifico Mountain Road x Roundtop Truck Road. 1902 Comment
  RSA529200  Ribes roezlii var. roezlii Tim S. Ross, Steve Boyd 1991-7-24 5670 Los Angeles San Gabriel Mountains, Granite Mountain vicinity: ridge NNE of Granite Mountain. 1866 Comment
  RSA529206  Galium angustifolium Tim S. Ross, Steve D. Boyd 1991-7-24 5607 Los Angeles Granite Mountain vicinity: ridge NNE of G.M. 1942 Comment
  RSA529291  Gnaphalium californicum Timothy S. Ross 1991-4-8 4462 Los Angeles Elephant Hill; western Pomona. 229 Comment
  RSA529293  Hordeum murinum subsp. leporinum Timothy S. Ross 1991-4-8 4469 Los Angeles Elephant Hill: western Pomona 229 Comment
  RSA529298  Yucca guatemalensis Timothy S. Ross 1991-4-8 4481 Los Angeles Elephant Hill: western Pomona. 229 Comment
  RSA529892  Rhamnus californica subsp. californica Tim S. Ross 1991-8-16 5799 Los Angeles Woodwardia canyon, San Gabriel Mtns (N of Pasadena) 819 Comment
  RSA529898  Senecio flaccidus var. douglasii Timothy S. Ross 1991-8-16 5806 Los Angeles San Gabriel Mountains: Clear Creek Canyon, roadcut along Angeles Forest Hwy. 1085 Comment
  RSA529902  Chenopodium pratericola T. S. Ross 1991-8-16 5808 Los Angeles Colby Canyon 1064 Comment
  RSA529915  Muhlenbergia rigens Timothy S. Ross 1991-8-16 5836 Los Angeles near divide between Colby and Wickiup Canyons 1720 Comment
  RSA529918  Scutellaria siphocampyloides Tim S. Ross 1991-8-16 5820 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  RSA529920  Gayophytum diffusum subsp. parviflorum Tim S. Ross 1991-8-16 5818 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  RSA530054  Lepidium virginicum var. virginicum Timothy S. Ross 1991-8-16 5841 Los Angeles San Gabriel Mountains, Horse Flats 1720 Comment
  RSA530057  Juncus macrophyllus Timothy S. Ross 1991-8-16 5852 Los Angeles Horse Flats, San Gabriel Mountains. 1713 Comment
Read comments Sep 24 2014
  RSA530059  Frasera neglecta Tim S. Ross 1991-8-16 5848 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  RSA530064  Eriogonum saxatile Tim S. Ross 1991-8-16 5858 Los Angeles San Gabriel Mountains, Horse Flats. 1721 Comment
  RSA530067  Lonicera interrupta T. S. Ross 1991-8-16 5871 Los Angeles San Gabriel Mountains, Horse Flats 1787 Comment
  RSA530075  Galium porrigens var. porrigens Tim S. Ross 1991-8-16 5857 Los Angeles San Gabriel Mountains, Horse Flats. 1721 Comment
  RSA530078  Castilleja minor subsp. spiralis Tim S. Ross 1991-8-16 5870 Los Angeles San Gabriel Mountains, Horse Flats. 1744 Comment
  RSA532638  Stephanomeria pauciflora var. pauciflora Timothy S. Ross 1991-8-14 5750 Los Angeles Roundtop Mountain. 1878 Comment
  RSA532645  Corethrogyne filaginifolia var. pinetorum Timothy S. Ross 1991-8-14 5756 Los Angeles Roundtop Mountain. 1892 Comment
  RSA532648  Penstemon rostriflorus Tim S. Ross 1991-8-14 5764 Los Angeles Roundtop [Mountain]: San Gabriel Mountains: Southwesterly ridge descending from the summit. 1829 Comment
  RSA532650  Symphoricarpos rotundifolius var. parishii T. S. Ross 1991-8-14 5772 Los Angeles Roundtop [Mtn], San Gabriel Mountains: 1707 Comment
  RSA532826  Juncus macrophyllus Timothy S. Ross 1991-8-14 5786 Los Angeles 0.48 mi E of Roundtop Truck Rd. 1917 Comment
  RSA532829  Lotus nevadensis var. davidsonii T. S. Ross 1991-8-14 5789 Los Angeles Pacifico Mtn Rd, 0.5 mi E of Lower Pacifico Campground Rd. 1927 Comment
  RSA532834  Eriogonum fasciculatum var. polifolium Tim S. Ross 1991-8-14 5793 Los Angeles San Gabriel Mountains: Pacifico Mountain Road, 3200 feet NW of Alder Saddle. 1768 Comment
  RSA533415  Bromus diandrus Timothy S. Ross 1991-4-21 4524 Los Angeles Whittier Hills (Puente Hills, pro parte): Middle Turnbull Canyon drainage, vicinity of old water tank. 220 Comment
  RSA533418  Marrubium vulgare Tim S. Ross 1991-4-21 4527 Los Angeles Whittier Hills (Puente Hills, pro parte): Middle Turnbull Canyon, vicinity of old water tank. 229 Comment
  RSA533451  Nassella cernua Timothy S. Ross 1991-4-21 4541 Los Angeles Whittier Hills (Puente Hills, pro parte): Ridge on N side of Turnbull Canyon 305 Comment
  RSA533458  Schinus molle T. S. Ross 1991-4-21 4548 Los Angeles Whittier Hills (Puente Hills, pro parte), ridgetop between Turnbull and Sycamore Canyons. 320 Comment
  RSA533470  Calystegia macrostegia subsp. intermedia Tim Ross 1991-4-21 4560 Los Angeles Whittier Hills (Puente Hills, proparte) ridgetop on N side of Turnbull Canyon. 287 Comment
  RSA533485  Scrophularia californica subsp. floribunda Tim S. Ross 1991-3-9 4178 Los Angeles Whittier Hills (Puente Hills, pro parte): head of Oak Cyn, SE side of ridgetop knoll. 369 Comment
  RSA533517  Eriogonum fasciculatum var. foliolosum Tim S. Ross 1991-3-9 4164 Los Angeles Whittier Hills (Puente Hills, pro parte): head of Oak Cyn, SE side of ridgetop knoll. 366 Comment
  RSA533521  Hordeum murinum subsp. leporinum Timothy S. Ross 1991-3-9 4175 Los Angeles Whittier Hills (Puente Hills, pro parte): Seepage ca. 300 feet SW of Colima Road & Camino del Sur. 213 Comment
  RSA533522  Chenopodium pratericola T. S. Ross 1991-3-9 4173 Los Angeles Whittier Hills (Puente Hills, pro parte): Seepage ca. 300 feet SW of Colima Road & Camino del Sur. 213 Comment
  RSA533523  Sonchus oleraceus Timothy S. Ross 1991-3-9 4172 Los Angeles Whittier Hills (Puente Hills, pro parte): seepage ca 300 ft SW of Colima Rd x Camino del Sur. 213 Comment
  RSA533888  Delphinium variegatum subsp. kinkiense Tim S. Ross 1991-5-18 5155 Los Angeles San Clemente Island: 950 ft WNW of Stone at the begining of the Stone Canyon drainage. 442 Comment
  RSA533897  Lupinus guadalupensis T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5142 Los Angeles San Clemente Island: at the beginning of Larkspur Canyon drainage, 1600 feet SE of the 924'BM at the E end of the old airfield landing strip. 250 Comment
  RSA533900  Hordeum intercedens Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5147 Los Angeles San Clemente Island: at the beginning of Larkspur Canyon drainage, 1600 feet SE of the 924'BM at the E end of the old airfield landing strip. 250 Comment
  RSA533906  Phalaris minor Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5136 Los Angeles San Clemente Island: 650 ft. SE of air terminal (New airfield, N end of island). 64 Comment
  RSA533909  Gilia nevinii T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5210 Los Angeles San Clemente Island, upper Twin Dams Canyon 434 Comment
  RSA533938  Microseris douglasii subsp. platycarpha Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5224 b Los Angeles San Clemente Island; SE end of island in the vicinity of Knob, 5100 ft NW of Guds. About 250 feet SSE of Knob, approaching Knob Canyon 282 Comment
  RSA533950  Aristida adscensionis Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5235 Los Angeles San Clemente Island: 1300 feet NNW of Gud (888') marker. 241 Comment
  RSA533959  Encelia californica Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5198 Los Angeles San Clemente Island: 1300ft NNW of Guds (888') marker. 241 Comment
  RSA533969  Brodiaea kinkiensis Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5174 Los Angeles San Clemente Island: 950 ft WNW of Stone at the begining of the Stone Canyon drainage. 441 Comment
  RSA533987  Pholistoma racemosum Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5115 Los Angeles San Clemente Island: eastern escarpment, 1400 ft. SSE of Jack (not Jack Point), and 1350 ft. NW of the mouth of Larkspur Canyon. 145 Comment
  RSA534015  Prunus lyonii Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5278 Los Angeles San Clemente Island: Westerly fork of Near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest (1336') marker, 1800ft SE of Malo Knoll (1396') 305 Comment
  RSA534018  Melica imperfecta Timothy S. Ross, Orlando Mistretta, M. Hammitt 1991-5-19 5304 Los Angeles San Clemente Island, ridge between the two forks of Near-Death Canyon (draining to Mosquito Cove). About 1800 ft. NE of Rest (1336') marker. 366 Comment
  RSA534044  Melica imperfecta Timothy S. Ross, Orlando Mistretta, M. Hammitt 1991-5-19 5259 Los Angeles San Clemente Island: westerly fork of Near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest (1336') marker, 1800ft SE of Malo Knoll (1396')) Beginning of drainage. 386 Comment
  RSA534051  Galium catalinense subsp. acrispum Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5291 Los Angeles San Clemente Island, westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']) Upper portion of drainage. 274 Comment
  RSA534052  Galvezia speciosa Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5272 Los Angeles San Clemente Island, westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']) Upper portion of drainage. 305 Comment
  RSA534079  Agrostis pallens Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5256 -A Los Angeles San Clemente Island: westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396'] ). Beginning of drainage 386 Comment
  RSA534111  Bromus diandrus Timothy S. Ross 1991-5-17 5095 Los Angeles San Clemente Island: North Head; WNW of the new landing field. 15 Comment
  RSA534113  Abronia maritima Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5097 Los Angeles San Clemente Island: North Head; WNW of the new landing field. 15 Comment
  RSA534127  Camissonia guadalupensis subsp. clementina Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5081 Los Angeles San Clemente Island: west Cove, SW of the new landing field 6 Comment
  RSA534136  Cirsium occidentale var. occidentale Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5058 Los Angeles San Clemente Island, Lower Wilson Cove Canyon, bouldery, rocky draw SW and above pier aperations. 15 Comment
  RSA534139  Lycium californicum Tim S. Ross, Orlando Mistretta, Hammitt 1991-5-17 5069 Los Angeles San Clemente Island, at the beginning of Larkspur Canyon drainage, 1600 feet SE of the 924'BM at the E end of the old airfield landing strip. 250 Comment
  RSA534140  Phalaris minor Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5075 Los Angeles San Clemente Island: Lower Wilson Cove Canyon; bouldery, rocky draw SW of and above pier operations. 15 Comment
  RSA534146  Avena barbata Timothy S. Ross 1991-5-17 5079 Los Angeles San Clemente Island: Lower Wilson Cove Canyon; bouldery, rocky draw SW of and above pier operations. 15 Comment
  RSA534149  Bromus carinatus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5070 Los Angeles San Clemente Island: Lower Wilson Cove Canyon; bouldery, rocky draw SW of and above pier operations. 15 Comment
  RSA534155  Avena fatua Timothy S. Ross 1991-5-17 5052 Los Angeles San Clemente Island: flats SE of air terminal (New airfield, N end of island). 64 Comment
  RSA535274  Camissonia robusta Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5320 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  RSA535283  Aphanisma blitoides T. S. Ross 1991-5-20 5349 Los Angeles San Clemente Island: un-named knoll ca 5500 ft. S of Wilson Cove Settlement; westerly slope 2500 ft NW of the 750' BM 186 Comment
  RSA535296  Atriplex semibaccata T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5344 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  RSA535299  Microseris douglasii subsp. platycarpha Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5329 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  RSA535312  Hordeum intercedens Timothy S. Ross 1991-5-20 5371 Los Angeles San Clemente Island, west Side. Terrace flats between Box and Horse Canyons. 486 Comment
  RSA535313  Artemisia californica Timothy S. Ross 1991-5-20 5368 Los Angeles San Clemente Island; north third; middle N fork of un-named drainage that empties to sea just N of Jack Point lighthouse. 152 Comment
  RSA535327  Piptatherum miliaceum Timothy S. Ross 1991-5-20 5358 Los Angeles San Clemente Island, uppermost reaches of the Wilson Cove Canyon drainage; 3300 ft. NW of the 750 ft BM 142 Comment
  RSA535340  Poa secunda Timothy S. Ross 1991-5-21 5392 Los Angeles San Clemente Island. Upper easterly branch of Box Canyon, affected by recent burn. 463 Comment
  RSA535541  Encelia californica Timothy S. Ross, Annette Ross 1991-9-7 5961 Los Angeles Santa Monica Mtns: near Mulholland Hwy and Yerba Buena Road. 360 Comment
  RSA535543  Allophyllum glutinosum T. S. Ross, Annette Ross 1991-9-7 5957 Los Angeles Santa Monica Mountains: near Mulholland Highway x Yerba Buena Road. 375 Comment
  RSA535554  Adenostoma sparsifolium Tim S. Ross 1991-9-2 5928 Los Angeles Near Mulholland Highway x Yerba Buena Road. 488 Comment
  RSA535557  Piptatherum miliaceum Timothy S. Ross 1991-9-2 5926 Los Angeles Santa Monica Mountains; near Mulholland Hwy at Yerba Buena Rd. 473 Comment
  RSA535707  Malacothamnus clementinus Tim S. Ross 1991-5-23 5506 Los Angeles San Clemente Island: Wilson cove Settlement; lawn at bus stop on N side of Bldg 60112. 53 Comment
  RSA535710  Bromus rubens Timothy S. Ross 1991-5-22 5470 Los Angeles San Clemente Island: Spray Canyon; short canyon 2400 feet ENE of Spray (which in turn is 5200 feet N of Eel Point), W side of island. 84 Comment
  RSA535732  Galvezia speciosa Tim S. Ross 1991-5-23 5481 Los Angeles San Clemente Island: lower Tota Canyon, middle of island, eastern escarpment 37 Comment
  RSA535733  Hemizonia clementina Timothy S. Ross 1991-5-23 5482 Los Angeles San Clemente Island: lower Tota Canyon, middle of island, eastern escarpment 37 Comment
  RSA535742  Stephanomeria blairii Timothy S. Ross 1991-5-23 5491 Los Angeles San Clemente Island: lower Tota Canyon, middle of island, Eastern escarpment 67 Comment
  RSA535877  Brickellia nevinii Timothy S. Ross 1991-9-1 5885 Los Angeles Near Mulhulland Highway X Yerba Buena Road. 564 Comment
  RSA535883  Galium andrewsii subsp. andrewsii Tim S. Ross 1991-9-2 5906 Los Angeles Santa Monica Mtns. Near Mulholland Highway x Yerba Buena Rd. 473 Comment
  RSA535890  Leymus condensatus Timothy S. Ross 1991-9-2 5937 Los Angeles Santa Monica Mountains: near Mulholland Highway x Yerba Buena Road; Draw off W side of Y.B. Road. 503 Comment
  RSA535896  Ceanothus spinosus Tim S. Ross 1991-9-2 5941 Los Angeles near Mulholland Hwy at Yerba Buena Rd. 541 Comment
  RSA536040  Ricinus communis T. S. Ross 1991-5-22 5433 Los Angeles San Clemente Island: Lower Wilson Cove Canyon, just west of the dock activities. 12 Comment
  RSA536046  Eschscholzia ramosa Tim S. Ross 1991-5-21 5383 Los Angeles San Clemente Island, upper easterly branch of Box Canyon 473 Comment
  RSA536065  Ricinus communis T. S. Ross 1991-5-22 5433 Los Angeles San Clemente Island: Lower Wilson Cove Canyon, just west of the dock activities. 12 Comment
  RSA536074  Pholistoma racemosum Tim S. Ross 1991-5-21 5413 Los Angeles San Clemente Island: Upper reaches of Box Canyon, SW side of the island. 412 Comment
  RSA536077  Eriophyllum confertiflorum Timothy S. Ross 1991-5-21 5422 Los Angeles San Clemente Island. Upper reaches of Box Canyon, SW side of the island. 366 Comment
  RSA536083  Senecio lyonii Timothy S. Ross 1991-5-21 5421 Los Angeles San Clemente Island: upper reaches of Box Canyon, SW side of island. 366 Comment
  RSA544535  Triteleia clementina Timothy S. Ross, Elizabeth Kellogg 1992-4-12 6130 Los Angeles San Clemente Isl: head of Grove Cyn. 459 Comment
  RSA544556  Sambucus mexicana T. S. Ross, Elizabeth Kellogg 1992-4-11 6109 Los Angeles San Clemente Island: West fork of China Canyon. E or NE-facing base of canyon wall. 305 Comment
  RSA544559  Delphinium variegatum subsp. thornei Tim S. Ross, Kellogg 1992-4-11 6107 Los Angeles San Clemente Island: west fork of China Canyon; 157 SSE from 1583' BM, 425m distant 396 Comment
  RSA544560  Paspalum dilatatum Timothy S. Ross, Elizabeth Kellogg 1992-4-13 6148 Los Angeles San Clemente Island. Near Nots Pier, at mouth of draw below the Nots Pier road (38? NW, 785m distant from Jack Point lighthouse) Comment
  RSA544566  Trifolium gracilentum var. palmeri T. S. Ross 1992-4-13 6142 Los Angeles San Clemente Island: NW part of the island. Coastal terrace in the vicinity of Darter. (340 deg. NNW, 1140m distant from 199'BM near Flasher; ca 250m NNW of the shifting sands.) 18 Comment
  RSA544571  Bromus catharticus Timothy S. Ross, E. Kellogg 1992-4-13 6136 Los Angeles San Clemente Island: Wilson Cove settlement. 46 Comment
  RSA545170  Lupinus guadalupensis T. S. Ross, Kendall 1992-4-15 6193 Los Angeles San Clemente Island: central upland portion of the island, SW of ''Ledge'' (1328' knoll of Stone field station), 236 degrees SW, ca. 170m distant from summit of ''Ledge.'' 393 Comment
  RSA545185  Gilia nevinii T. S. Ross 1992-4-14 6164 Los Angeles San Clemente Island: Central E side of island, rutted channel that runs N from Nanny Canyon, 300m N from the mouth of NC. 69 Comment
  RSA545203  Camissonia hirtella Tim S. Ross 1992-5-17 6339 Los Angeles San Gabriel Mountains: center W side of the San Gabriel Reservoir; short easterly spur canyon along Highway 39. 463 Comment
  RSA545205  Calystegia macrostegia subsp. intermedia Tim Ross, Mathew Bell, A. R. Ross 1992-3-22 6051 Los Angeles W side of Yerba Buena Road ca 360m NNW of intersection with Mulholland Highway. 488 Comment
  RSA545212  Achillea millefolium var. californica T. S. Ross 1992-4-14 6188 Los Angeles San Clemente Island: 20-40 meters ENE of the intersection of the new Lemon Tank Road and main N-S island access road 340 Comment
  RSA545311  Calystegia macrostegia subsp. amplissima T. S. Ross 1992-4-14 6178 Los Angeles San Clemente Island: central E side of island; stabilized slope above rutted Nanny Canyon drainage channel, 87 deg. S and ca 280m distant from where drainage meets the sea. 76 Comment
  RSA545324  Parietaria hespera var. hespera Tim S. Ross 1992-5-17 6333 Los Angeles San Gabriel Mountains: center W side of the San Gabriel Reservoir; short easterly spur canyon along Highway 39. 463 Comment
  RSA545330  Eriophyllum confertiflorum Timothy S. Ross 1992-4-14 6155 Los Angeles San Clemente Island. Central E side of island; just below the mouth of Nanny Canyon on the rocky, rutted slope that drains northward. 137 Comment
  RSA547429  Camissonia hirtella Tim S. Ross 1992-5-17 6355 Los Angeles San Gabriel Mountains: E Fork of the San Gabriel River; 166 degrees SSE, ca 370m distant from the mouth of Shoemaker Canyon 637 Comment
  RSA547447  Silene laciniata subsp. major Timothy S. Ross 1992-5-17 6378 Los Angeles San Gabriel Mountains: lower Shoemaker Canyon, draining to E fork of San Gabriel River, joining it at 2125 ft. elevation 723 Comment
  RSA547451  Asparagus officinalis Timothy S. Ross 1992-5-17 6382 Los Angeles San Gabriel Mountains: E Fork of the San Gabriel River; N end of the Heaton Flat area; 21 NNE, 870m distant from East Fork Station; homestead ruins. 634 Comment
  RSA547455  Heterocodon rariflorum T. S. Ross, Orlando Mistretta 1992-7-24 6746 Los Angeles E side of Strawberry Peak near divide between Colby and Wickiup Canyons; 120 deg. SE, 1065 m distant from Strawberry Peak summit. 1561 Comment
  RSA547461  Lotus heermannii var. heermannii T. S. Ross 1992-7-24 6752 Los Angeles E side of Strawberry Peak near divide between Colby and Wickiup Canyons; 120 degrees SE, 1065 m distant from summit 1561 Comment
  RSA547462  Allophyllum divaricatum T. S. Ross, Orlando Mistretta 1992-7-24 6753 Los Angeles E side of Strawberry Peak near divide between Colby and Wickiup Canyons; 120 deg. SE, 1065 m distant from Strawberry Peak summit. 1561 Comment
  RSA547463  Mimulus pilosus Tim S. Ross, Orlando Mistretta 1992-7-24 6754 Los Angeles E side of Strawberry Peak near divide between Colby and Wickiup Canyons; 120 deg. SE, 1065 m distant from Strawberry Peak summit. 1561 Comment
  RSA547470  Cannabis sativa T. S. Ross, Orlando Mistretta 1992-7-24 6761 Los Angeles Vicinity of Strawberry Spring, 76 deg. ENE, 900 m distant from Strawberry Peak summit 1460 Comment
  RSA547476  Epilobium ciliatum subsp. ciliatum Tim S. Ross, Orlando Mistretta 1992-7-24 6772 Los Angeles Vicinity of Strawberry Spring, 76 deg. ENE, 900 m distant from Strawberry Peak summit 1460 Comment
  RSA547479  Mimulus guttatus Tim S. Ross, Orlando Mistretta 1992-7-24 6763 Los Angeles Vicinity of Strawberry Spring, 76 deg. ENE, 900 m distant from Strawberry Peak summit 1460 Comment
  RSA547485  Calochortus plummerae Timothy S. Ross, Orlando Mistretta 1992-7-24 6756 Los Angeles San Gabriel Mountains: E of Strawberry Peak. 96 deg. east, 1080 meters distant from Strawberry Peak summit. 1506 Comment
  RSA547798  Stachys albens Tim S. Ross, Peter Fritsch 1990-6-20 3604 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  RSA547801  Salvia mellifera Tim S. Ross, Peter Fritsch 1990-6-20 3601 Los Angeles San Gabriel Mountains: mouth of Burro Canyon near the confluence of the E and W Forks of the San Gabriel River; ranging from stream bottom to slopes. 445 Comment
  RSA547815  Achillea millefolium T. S. Ross, Peter Fritsch 1990-6-20 3632 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  RSA547820  Melica imperfecta Timothy S. Ross 1990-6-20 3626 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near the confluence of E and W forks of the San Gabriel River. Stream bottom to slopes. 445 Comment
  RSA547826  Quercus durata var. gabrielensis Tim S. Ross, Peter Fritsch 1990-6-20 3642 A Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  RSA547827  Ageratina adenophora T. S. Ross, Peter Fritsch 1990-6-20 3643 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  RSA547829  Fraxinus dipetala Tim S. Ross, Peter Fritsch 1990-6-20 3640 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  RSA547834  Eriogonum fasciculatum var. foliolosum Tim S. Ross, Peter Fritsch 1990-6-20 3635 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  RSA549144  Calochortus plummerae Timothy S. Ross 1992-7-16 6695 Los Angeles San Gabriel Mountains: S of Indian Ben Saddle, NE of Iron Mountain 1573 Comment
  RSA549147  Marrubium vulgare Tim S. Ross 1990-6-20 3655 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon 1256 Comment
  RSA549151  Clematis lasiantha Tim S. Ross, Peter Fritsch 1990-6-20 3648 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fk. San Gabriel River and Roberts Canyon. 1256 Comment
  RSA549152  Silene laciniata subsp. major Timothy S. Ross, Peter Fritsch 1990-6-20 3672 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon. 1256 Comment
  RSA549158  Allophyllum glutinosum T. S. Ross, Peter Fritsch 1990-6-20 3666 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon 1256 Comment
  RSA549161  Eriophyllum confertiflorum var. confertiflorum Timothy S. Ross, Peter W. Fritsch 1990-6-20 3657 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon. 1256 Comment
  RSA549162  Delphinium cardinale Tim S. Ross, Peter Fritsch 1990-6-20 3697 Los Angeles San Gabriel Mountains: Forest Service Road 1N36 heading S from Rincon-Red Box Road; W side of Van Tassel Canyon 473 Comment
  RSA549163  Malosma laurina T. S. Ross, Peter Fritsch 1990-6-20 3698 Los Angeles Forest Service Rd. 1N36 heading S from Rincon-Red box Rd; W side of Van Tassel Canyon; 473 Comment
  RSA549170  Saltugilia splendens subsp. grantii T. S. Ross, Peter Fritsch 1990-6-20 3649 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon 1329 Comment
  RSA549176  Lupinus longifolius T. S. Ross 1990-6-20 3688 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon 1329 Comment
  RSA549185  Galium californicum subsp. flaccidum Tim S. Ross, Peter Fritsch 1990-6-20 3663 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon 1329 Comment
  RSA549188  Camissonia intermedia Tim S. Ross, Peter Fritsch 1990-6-20 3652 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon 1329 Comment
  RSA549194  Polystichum imbricans subsp. imbricans T. S. Ross, Peter Fritsch 1990-6-20 3683 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon 1329 Comment
  RSA549197  Boechera californica Timothy S. Ross, Peter Fritsch 1990-6-20 3680 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon. 1256 Comment
  RSA549490  Penstemon labrosus Tim S. Ross, Steve D. Boyd 1990-6-18 3472 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA549496  Cirsium occidentale var. californicum Timothy S. Ross, Steve Boyd 1990-6-18 3491 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA549499  Lotus crassifolius var. crassifolius T. S. Ross 1990-6-18 3487 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA549504  Asclepias californica T. S. Ross, Steve D. Boyd 1990-6-18 3482 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA549507  Elymus elymoides subsp. californicus Timothy S. Ross, Steve Boyd 1990-6-18 3479 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA549510  Phacelia davidsonii Tim S. Ross 1990-6-18 3464 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA549516  Calystegia occidentalis subsp. fulcrata T. S. Ross, S. D. Boyd 1990-6-18 3470 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA549519  Mentzelia dispersa Tim S. Ross 1990-6-18 3452 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA549528  Collinsia torreyi var. wrightii Tim S. Ross, Steve D. Boyd 1990-6-18 3462 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA549531  Melica stricta var. albicaulis Timothy S. Ross, Steve Boyd 1990-6-18 3449 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA549532  Osmorhiza berteroi T. S. Ross, Steve D. Boyd 1990-6-18 3451 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA549533  Festuca rubra Timothy S. Ross, Steve Boyd 1990-6-18 3450 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA549541  Malacothamnus fasciculatus var. laxiflorus Tim S. Ross 1992-4-27 6237 Los Angeles Claremont: S side of Indian Hill mesa, SW of RSA grounds 393 Comment
  RSA549548  Lomatium mohavense subsp. mohavense T. S. Ross 1992-4-4 6074 Los Angeles Adobe Mountain: SW Mojave Desert. 927 Comment
  RSA549554  Salvia columbariae Tim S. Ross 1992-4-4 6072 Los Angeles Three Sisters: SW Mojave Desert, 1 mile SE of Back Butte; middle butte of the three. 969 Comment
  RSA549567  Ribes indecorum Tim S. Ross 1991-3-10 4225 Los Angeles Claremont: Bernard Field Station, on E side of RSA; disturbed Artemisia californica scrub. Vicinity of Phake Lake, marked as Pit on topo map. 392 Comment
  RSA549578  Rhus ovata T. S. Ross 1991-3-10 4224 Los Angeles Claremont: Bernard Field Station, on E side of RSA; disturbed Artemisia californica scrub. Vicinity of Phake Lake, marked as Pit on topo map. 392 Comment
  RSA549586  Gilia minor T. S. Ross 1992-4-4 6080 Los Angeles Adobe Mountain: SW Mojave Desert. 927 Comment
  RSA549589  Grayia spinosa T. S. Ross 1992-4-4 6075 Los Angeles Adobe Mountain: SW Mojave Desert. 927 Comment
  RSA549591  Rhamnus crocea Tim S. Ross 1992-4-27 6251 Los Angeles Claremont: S side of Indian Hill Mesa, SW of RSA ground. 393 Comment
  RSA550377  Juncus macrophyllus Timothy S. Ross 1992-7-10 6669 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon & Wickiup Canyon. 967 Comment
  RSA550381  Stachys albens Tim S. Ross 1992-7-10 6661 Los Angeles Big Tujunga Creek between Coldwater Canyon and Wickiup Canyon. 967 Comment
  RSA550382  Gnaphalium stramineum Timothy S. Ross 1992-7-10 6659 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon & Wickiup Canyon. 967 Comment
  RSA550383  Emmenanthe penduliflora var. penduliflora Tim S. Ross 1992-7-10 6658 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon & Wickiup Canyon. 967 Comment
  RSA550390  Rhus trilobata var. quinata T. S. Ross 1992-7-10 6638 Los Angeles Big Tujunga Canyon, 310 m E of where Coldwater Canyon meets Big Tujunga Creek; E side of road to Colby Ranch. 963 Comment
  RSA550396  Erigeron foliosus var. foliosus Timothy S. Ross 1992-7-10 6681 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater & Wickiup Canyons; N and NE slope above stream. 975 Comment
  RSA550405  Salix lasiolepis Tim S. Ross, Peter Fritsch 1990-6-20 s.n. Los Angeles San Gabriel Mountains: Burro Canyon near the confluence of the E and W forks of the San Gabriel River; elevation ranging from stream bottom to slopes. 445 Comment
  RSA550408  Prunus ilicifolia subsp. ilicifolia Tim S. Ross, Peter Fritsch 1990-6-20 3592 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  RSA550411  Mimulus cardinalis Tim S. Ross 1992-7-10 6675 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon and Wickiup Canyon. 967 Comment
  RSA550412  Mimulus guttatus Tim S. Ross 1992-7-10 6674 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon and Wickiup Canyon. 967 Comment
  RSA550413  Rosa californica Tim S. Ross 1972-7-10 6673 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater and Wickiup Canyons. 968 Comment
  RSA550420  Gnaphalium californicum Timothy S. Ross 1992-7-10 6680 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater & Wickiup Canyons; N and NE slope above stream. 975 Comment
  RSA550424  Atriplex canescens subsp. canescens T. S. Ross 1992-7-10 6687 Los Angeles upper Big Tujunga Canyon along UBTC toad; 6 degrees N and 2520m distant from Thorn (5499') Peak 1085 Comment
  RSA550427  Mimulus floribundus Tim S. Ross 1992-7-10 6652 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon and Wickiup Canyon. 967 Comment
  RSA550430  Castilleja minor subsp. spiralis Tim S. Ross 1992-7-10 6653 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon and Wickiup Canyon. 967 Comment
  RSA550436  Cuscuta subinclusa T. S. Ross 1992-7-10 6647 Los Angeles Big Tujunga Canyon, between Coldwater and Wickiup Canyons; northeasterly slope on S side of creek 970 Comment
  RSA550439  Arctostaphylos gabrielensis T. S. Ross 1992-7-10 6642 Los Angeles San Gabriel Mountains; Big Tujunga Canyon, 310m E of where Coldwater Canyon meets Big Tujunga Creek. Disturbed chaparral just S of creek, E side of the road to Colby Ranch. 973 Comment
  RSA550440  Arctostaphylos glauca T. S. Ross 1992-7-10 6641 Los Angeles San Gabriel Mountains; Big Tujunga Canyon, 310m E of where Coldwater Canyon meets Big Tujunga Creek. Disturbed chaparral just S of creek, E side of the road to Colby Ranch. 973 Comment
  RSA550689  Trichostema lanceolatum Tim S. Ross, Annette Ross 1991-7-29 5728 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 244 Comment
  RSA550693  Cuscuta indecora T. S. Ross, Annette H. Ross 1991-7-29 5706 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 229 Comment
  RSA550695  Cuscuta indecora T. S. Ross, Annette H. Ross 1991-7-29 5707 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 229 Comment
  RSA550704  Rosa californica Tim S. Ross, Annette Ross 1991-7-29 5702 s Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 229 Comment
  RSA550710  Setaria parviflora Timothy S. Ross 1991-7-29 5717 Los Angeles Elephant Hill, N most point of the Puente Hills, W Pomona 229 Comment
  RSA550716  Chenopodium murale T. S. Ross, Annette H. Ross 1991-7-29 5688 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 317 Comment
  RSA550719  Mimulus aurantiacus var. pubescens Tim S. Ross, Annette H. Ross 1991-7-29 5694 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 244 Comment
  RSA563495  Adenostoma fasciculatum var. fasciculatum Tim S. Ross, W. Appleby 1993-5-13 7120 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon. 854 Comment
  RSA563498  Penstemon grinnellii subsp. grinnellii Tim S. Ross, W. Appleby 1993-5-13 7111 Los Angeles Western San Gabriel Mts.: May Canyon Saddle at the northwest base of May Peak. 1116 Comment
  RSA563515  Cistus ladanifer T. S. Ross, Walter Appleby 1993-4-15 6820 Los Angeles Western SAn Gabriel Mts: southerly draw ca 515 m ssw of May canyon saddle, draining to Wilson Canyon 1011 Comment
  RSA563520  Camissonia hirtella Tim S. Ross, Walter Appleby 1993-5-14 7140 Los Angeles Western San Gabriel Mountains: ca 720 meters SW of Wilson Canyon Saddle and 260 meters SE of knoll-top Radio Facility, on E side of ridge above Wilson Canyon Road 1043 Comment
  RSA567157  Rosa californica Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-27 3892 Los Angeles Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon. 1473 Comment
  RSA567159  Clarkia heterandra Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3895 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  RSA567167  Microsteris gracilis T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3903 Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  RSA567172  Clarkia rhomboidea Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3910 Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  RSA567175  Phacelia ramosissima var. latifolia Tim S. Ross, Steve D. Boyd, Peter Fritsch 1990-6-27 3913 Los Angeles Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon. 1473 Comment
  RSA567254  Eriogonum nudum var. pauciflorum Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3865 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  RSA567259  Rhamnus ilicifolia Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-27 3870 Los Angeles Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon. 1473 Comment
  RSA567266  Quercus wislizeni var. frutescens Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3855 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  RSA567271  Penstemon centranthifolius Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3940 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  RSA567295  Galium hallii Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3970 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  RSA567309  Prunus ilicifolia Tim S. Ross 1990-6-28 3987 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  RSA567314  Galium angustifolium subsp. angustifolium Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3986 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  RSA567526  Eriodictyon crassifolium var. nigrescens Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3922 Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  RSA567529  Leptosiphon androsaceus T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3927 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  RSA567537  Leptosiphon ciliatus T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3894 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  RSA569841  Forestiera pubescens Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4875 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA569842  Keckiella breviflora var. breviflora Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4877 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA569924  Phacelia minor Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4836 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA569927  Phacelia davidsonii Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4880 Los Angeles Liebre Mtn: near W summit area. 1683 Comment
  RSA569936  Salvia columbariae Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4844 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA569939  Camissonia californica Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4849 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA569955  Cercocarpus betuloides var. betuloides Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4867 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA570011  Salvia mellifera Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4935 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  RSA570013  Eriodictyon crassifolium var. nigrescens Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4937 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  RSA570020  Tamarix ramosissima Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4944 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  RSA570026  Saltugilia australis T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4916 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity 492 Comment
  RSA570034  Camissonia ignota Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4924 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  RSA570037  Camissonia micrantha Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4893 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  RSA570044  Phacelia longipes Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4901 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  RSA570058  Camissonia californica Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4885 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  RSA570061  Gilia capitata subsp. abrotanifolia T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4888 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity 492 Comment
  RSA570062  Malacothamnus fremontii Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4889 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  RSA570063  Phacelia distans Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4890 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  RSA570177  Gilia capitata subsp. abrotanifolia T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4791 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA570182  Trifolium gracilentum T. S. Ross 1991-4-30 5019 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash. 841 Comment
  RSA570183  Pholistoma membranaceum Tim S. Ross 1991-4-30 5020 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash. 841 Comment
  RSA570190  Gilia sinuata T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 s.n. Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash. 841 Comment
  RSA570194  Syntrichopappus fremontii Timothy S. Ross, S. D. Boyd, Laurel Arnseth 1991-4-30 5031 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash 841 Comment
  RSA570196  Lotus humistratus T. S. Ross 1991-4-30 5034 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash. 841 Comment
  RSA570199  Calandrinia ciliata Timothy S. Ross, Steve Boyd, Laurel Arnseth 1991-4-30 5037 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash 841 Comment
  RSA570203  Populus fremontii subsp. fremontii Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4998 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  RSA570215  Lycium cooperi Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 5011 Los Angeles Paris: ca. one mile E of Acton, next to the Southern Pacific Railway, on the N side of Soledad Canyon Wash. 835 Comment
  RSA570218  Ericameria cooperi Timothy S. Ross, Steve Boyd, L. Arnseth 1991-4-30 5014 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash 841 Comment
  RSA570220  Guillenia lasiophylla Timothy S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5016 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash 841 Comment
  RSA570285  Phacelia douglasii Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4962 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  RSA570312  Cistanthe monandra Timothy S. Ross, Steve Boyd, Laurel Arnseth 1991-4-30 4976 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  RSA570344  Camissonia pallida subsp. pallida Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4948 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  RSA573464  Bromus hordeaceus Timothy S. Ross 1992-5-8 6302 Los Angeles Glendora Ridge Road; N side of ridge at head of un-named E fork of Oak Canyon. 1015 Comment
  RSA573467  Malacothrix clevelandii Timothy S. Ross 1992-5-8 6295 Los Angeles San Gabriel Mountains: San Antonio Canyon; upper N side of Hog Back. 1183 Comment
  RSA573480  Salvia leucophylla Tim S. Ross 1992-6-15 6571 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): upper end of Turnbull Canyon. 256 Comment
  RSA573555  Melica imperfecta Timothy S. Ross 1992-5-8 6288 Los Angeles San Gabriel Mountains: San Antonio Canyon; N side of Hog Back. 1177 Comment
  RSA573699  Cuscuta subinclusa T. S. Ross 1990-8-17 3155 Los Angeles Icy springs in upper Big Rock Creek 1752 Comment
  RSA573701  Malacothamnus fremontii Tim S. Ross 1990-8-17 3161 Los Angeles Road crossing the drainage just below Icy Springs, In upper Big Rock Creek. 1738 Comment
  RSA573703  Chenopodium botrys T. S. Ross 1990-8-17 3153 Los Angeles Upper Big Rock Creek, 120-200m N of Icy Springs 1726 Comment
  RSA573705  Epilobium ciliatum subsp. ciliatum Tim S. Ross 1990-8-17 3149 Los Angeles Upper Big Rock Creek, 120-200m N of Icy Springs 1726 Comment
  RSA573708  Erysimum capitatum var. capitatum Timothy S. Ross 1990-8-17 3152 Los Angeles Upper Big Rock Creek, 120-200m N of Icy Springs 1726 Comment
  RSA573711  Clematis ligusticifolia Tim S. Ross 1990-8-17 3151 Los Angeles Upper Big Rock Creek, 120-200m N of Icy Springs 1726 Comment
  RSA573712  Eriogonum umbellatum var. munzii Tim S. Ross 1990-8-17 3132 Los Angeles Upper Big Rock Creek, 120-200m N of Icy Springs 1726 Comment
  RSA573713  Prunus virginiana var. demissa Tim S. Ross 1990-8-17 3133 Los Angeles Upper Big Rock Creek, 120-200m N of Icy Springs 1726 Comment
  RSA573727  Galium porrigens Tim S. Ross, Steve D. Boyd 1992-7-5 6629 Los Angeles Red Mountain: mesic draw draining E from the saddle between the Red Mtn summit area and the 3704 foot knoll to the SE of it. 1024 Comment
  RSA573736  Clematis lasiantha Tim S. Ross 1992-7-17 6714 Los Angeles Condor Peak and immediate vicinity. 1622 Comment
  RSA573739  Ericameria pinifolia Timothy S. Ross 1992-7-17 6723 Los Angeles 300m W of the summit of Condor Peak 1588 Comment
  RSA573740  Galium johnstonii Tim S. Ross 1992-7-17 6724 Los Angeles 300m W of the summit of Condor Peak 1588 Comment
  RSA573746  Turricula parryi Tim S. Ross 1992-7-17 6731 Los Angeles Midway between Condor Peak Saddle and Fox (triangulation point, 5033-ft) along a southeasterly spine-ridge. 1415 Comment
  RSA573749  Gnaphalium canescens subsp. beneolens Timothy S. Ross 1992-7-17 6735 Los Angeles San Gabriel Mountains: Saddle between Fox (triangulation point, 5033-ft) and knoll ESE of it, on steep divide between Fox Creek and Fusier Canyon. 1451 Comment
  RSA573755  Solanum umbelliferum Tim S. Ross 1990-8-17 3169 Los Angeles S side of Prairie Fork, in the draw between Columbine Spring and Camp Lupine 2042 Comment
  RSA574267  Festuca trachyphylla Timothy S. Ross, Walter Appleby 1993-5-14 7145 Los Angeles 270m SW of May Canyon Saddle and 450 WNW of May Peak 1109 Comment
  RSA574275  Bromus carinatus var. carinatus Timothy S. Ross, Walter Appleby 1993-5-19 7173 Los Angeles Western San Gabriel Mountains: Long SSE-trending ridge S of Wilson Canyon Saddle. 948 Comment
  RSA574278  Nassella lepida Timothy S. Ross 1993-4-21 6864 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560ft), slope and small ridges N of Cactus Peak summit., 33'20'22N, 118'26'38W. 384 Comment
  RSA574280  Schismus arabicus Timothy S. Ross, Janet Takara, M. Gay 1993-4-20 6828 Los Angeles Santa Catalina Island, Indian Head Rock, SSW of and overlloking, Little Harbor. 79 Comment
  RSA578096  Eriodictyon crassifolium var. nigrescens Tim S. Ross, Steve D. Boyd 1994-5-31 7691 Los Angeles Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mountain summit 854 Comment
  RSA578099  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1994-5-31 7701 Los Angeles Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mountain summit 854 Comment
  RSA578102  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1994-5-31 7700 Los Angeles Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mountain summit 854 Comment
Read comments May 16 2017
  RSA578103  Salvia columbariae Tim S. Ross, Steve D. Boyd 1994-5-10 7704 Los Angeles Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mountain summit. 854 Comment
  RSA578118  Eriogonum gracile var. gracile Tim S. Ross, S. D. Boyd 1994-9-20 8235 Los Angeles 2 miles NW of Acton: sandy wash, S side of intersection Escondido Canyon Road and Red Rover Mine Road. 884 Comment
  RSA578134  Melica imperfecta Timothy S. Ross 1993-5-13 7119 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon 854 Comment
  RSA578137  Bromus hordeaceus Timothy S. Ross, W. Appleby 1993-5-20 7195 Los Angeles Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle 951 Comment
  RSA578208  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Janet Takara, Bob Given, Misty Gray 1994-8-2 8191 a Los Angeles Santa Catalina Island. Midway in Swain's Canyon. 125 Comment
  RSA578211  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Janet Takara, Bob Given, Misty Gray 1994-8-2 8192 Los Angeles Santa Catalina Island. Midway in Swain's Canyon. 95 Comment
  RSA578212  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Janet Takara, Bob Given, Misty Gray 1994-8-2 8192 Los Angeles Santa Catalina Island. Midway in Swain's Canyon. 95 Comment
  RSA578213  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Janet Takara, Bob Given, Misty Gray 1994-8-2 8192 Los Angeles Santa Catalina Island. Midway in Swain's Canyon. 95 Comment
  RSA578224  Clematis ligusticifolia Tim S. Ross, S. D. Boyd 1994-9-20 8263 Los Angeles Lower Spunky Canyon: this stretch draining SSE, exiting into Bouquet Reservoir 913 Comment
  RSA578249  Ribes roezlii Tim S. Ross, Steve D. Boyd 1994-5-4 7667 Los Angeles Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley. 1384 Comment
  RSA578281  Cistanthe monandra Timothy S. Ross, Steve Boyd 1994-5-4 7644 Los Angeles Liebre Mountains, San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600m SW of summit of grade; ca 2460 m ESE of Grass Mountain summit. 1055 Comment
  RSA578299  Camissonia bistorta Tim S. Ross, Steve D. Boyd 1994-5-4 7618 Los Angeles Liebre Mountains, San Francisquito Canyon: headwaters of the canyon, NE of Green Valley; ca 600m SW of summit of grade; ca 2460 m ESE of Grass Mountain summit 1055 Comment
  RSA578308  Mimulus constrictus Tim S. Ross, S. D. Boyd 1994-5-11 7774 Los Angeles Liebre Mtn: central summit area, ca 1750 m WSW of Bear Gulch Camp. 1695 Comment
  RSA578315  Erodium cicutarium Tim S. Ross, Steve D. Boyd 1994-5-11 7775 Los Angeles Liebre Mtn: central summit area, ca 1750 m WSW of Bear Gulch Camp. 1695 Comment
  RSA578330  Penstemon grinnellii var. scrophularioides Tim S. Ross, Steve D. Boyd 1994-5-4 7647 Los Angeles Vicinity of Grass Mountain: ridge descending ESE from the north summit of Grass Mtn - Leona Divide Truck Trail. 1274 Comment
  RSA578516  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1994-6-23 8067 Los Angeles Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch. ([TRS] projected from section 14) 1463 Comment
  RSA578517  Eriogonum cithariforme var. cithariforme Tim S. Ross, S. D. Boyd 1994-6-22 8003 Los Angeles Fish Canyon: ca 380 m due W of Cienaga Spring; ca 2730 m NE of its confluence with Castaic Creek. 604 Comment
  RSA578519  Eriogonum inerme var. hispidulum Tim S. Ross, S. D. Boyd 1994-6-22 8000 Los Angeles Warm Springs Mountain: ca 450 m NW of summit 1140 Comment
  RSA578531  Salvia apiana Tim S. Ross, Steve D. Boyd 1994-6-22 8009 Los Angeles Warm Springs Canyon: 0.5 road mile W of Lake Hughes Road along Forest Service road 6N32 649 Comment
  RSA578631  Heteromeles arbutifolia Tim S. Ross, Steve D. Boyd, Steve Burns 1994-7-6 8121 Los Angeles Ruby Canyon: 3.1 road miles WNW of Ruby/Clearwater Saddle, along Ruby-Clearwater Truck Trail; NW side of Red Mountain. 744 Comment
  RSA578632  Eriodictyon crassifolium var. nigrescens Tim S. Ross, Steve D. Boyd 1994-7-7 8166 Los Angeles Upper Cienaga Canyon: South base of Liebre Mountain, just on the N side of the 'Kelley Ranch' inholding (USFS map, 1958; 'Knapp Ranch', Angeles National Forest map, 1982) 1000 Comment
  RSA578642  Ribes aureum var. gracillimum Tim S. Ross 1994-4-28 7566 Los Angeles 'Cottonwood Swamp' confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountain 512 Comment
  RSA578643  Rubus ursinus Tim S. Ross 1994-4-28 7567 Los Angeles 'Cottonwood Swamp' confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountain 512 Comment
  RSA578719  Vulpia octoflora Timothy S. Ross, J. Mark Porter 1994-5-1 7572 Los Angeles Southwestern Mojave Desert: Open desert ca. 1870 m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  RSA578792  Eriogonum nudum var. pauciflorum Tim S. Ross, S. D. Boyd, Steve Burns 1994-7-7 8138 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1677 Comment
  RSA578805  Phacelia distans Tim S. Ross, Darin Banks 1994-4-13 7547 Los Angeles Lower Spunky Canyon: easterly slope at the effluence of the canyon into Bouquet Reservoir. 916 Comment
  RSA578813  Pterostegia drymarioides Tim S. Ross, Darin Banks 1994-4-13 7545 Los Angeles Lower Spunky Canyon: easterly slope at the effluence of the canyon into Bouquet Reservoir. 916 Comment
  RSA578824  Nicotiana glauca Tim S. Ross, Darin Banks 1994-4-13 7519 Los Angeles San Francisquito Canyon: riparian strip and adjacent lower slopes ca 430 m SW of San Francisquito Powerhouse No. 2 465 Comment
  RSA578827  Veronica anagallis-aquatica Tim S. Ross, Darin Banks 1994-4-13 7516 Los Angeles San Francisquito Canyon: riparian strip and adjacent lower slopes ca 430 m SW of San Francisquito Powerhouse No. 2 465 Comment
  RSA578830  Erodium cicutarium Tim S. Ross, Darin Banks 1994-4-13 7515 Los Angeles San Francisquito Canyon: riparian strip and adjacent lower slopes ca 430 m SW of San Francisquito Powerhouse No. 2 465 Comment
  RSA578836  Fraxinus dipetala Tim S. Ross, Darin Banks 1994-4-13 7526 Los Angeles Lower Clearwater Canyon: riparian strip and adjacent lower slopes; ca 1400 m ESE of Plum Spring and ca 960 m W of San Francisquito Powerhouse No. 1. 674 Comment
  RSA578978  Ribes roezlii Tim S. Ross, Steve D. Boyd 1994-5-11 7789 Los Angeles Liebre Mtn: central summit area, ca 1750 m WSW of Bear Gulch Camp. 1695 Comment
  RSA578980  Viola purpurea subsp. purpurea Tim S. Ross, Steve D. Boyd 1994-5-11 7818 Los Angeles Sawmill Mountain: W summit area ca 260-350 meters SE of Sawmill Campground 1598 Comment
  RSA578986  Chamaesyce polycarpa var. polycarpa T. S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, D. L. Banks, Megan Tommerup 1994-3-28 7427 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; southerly coastal bluffs near 154-foot triangulation point, 1875 m SE of Inspiration Point. 21 Comment
  RSA578989  Phacelia grandiflora Tim S. Ross, J. Mark Porter, Vanessa Ashworth, G. A. Allen, Darin L. Banks, Megan Tommerup 1994-3-28 7429 Los Angeles Rancho Palos Verdes; southerly coastal bluffs near 154-foot triangulation point, 1875 m SE of Inspiration Point. 18 Comment
  RSA579131  Cleome isomeris T. S. Ross, J. Mark Porter, Vanessa Ashworth, D. L. Banks, Megan Tommerup, Gery Allan 1994-3-28 7440 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; narrow, eroded canyon through southerly coastal bluffs, ca. 2750m SE of Inspiration Point and 2680m WNW of Whites Point. 15 Comment
  RSA579141  Lotus strigosus T. S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin Banks, Megan Tommerup 1994-3-28 7434 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; ca 2260 m SE of Inspiration Point and 3160 m WNW of Whites Point. 12 Comment
  RSA579142  Carpobrotus edulis T. S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin Banks, Megan Tommerup 1994-3-28 7400 -B Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; sun-named horseshoe-shaped canyon to the NE of upper Forrestal Drive; 174 Comment
  RSA579143  Malephora crocea T. S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin Banks, Megan Tommerup 1994-3-28 7401 -B Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; sun-named horseshoe-shaped canyon to the NE of upper Forrestal Drive; 174 Comment
  RSA579214  Stachys albens Tim S. Ross, Steve D. Boyd 1994-7-7 8150 Los Angeles Upper Cienaga Canyon: South base of Liebre Mountain, just on the N side of the 'Kelley Ranch' inholding (USFS map, 1958; 'Knapp Ranch', Angeles National Forest map, 1982) 1000 Comment
  RSA579235  Rhus integrifolia T. S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin Banks, Megan Tommerup 1994-3-28 7402 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; sun-named horseshoe-shaped canyon to the NE of upper Forrestal Drive; 174 Comment
  RSA579238  Salvia mellifera Tim S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin L. Banks, Megan Tommerup 1994-3-28 7408 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; sun-named horseshoe-shaped canyon to the NE of upper Forrestal Drive. 174 Comment
  RSA579242  Eriogonum cinereum Tim S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin Banks, Megan Tommerup 1994-3-28 7403 B Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; sun-named horseshoe-shaped canyon to the NE of upper Forrestal Drive. 174 Comment
  RSA579284  Cortaderia selloana Timothy S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, D. L. Banks, Megan Tommerup 1994-3-28 7424 -A Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; un-named horseshoe-shaped canyon to the NE of upper Forrestal Drive; San Pedro 7.5' USGS quadrangle., Near 33?44'22''N 118?20'45''W 177 Comment
  RSA579306  Erysimum capitatum var. capitatum Timothy S. Ross, Orlando Mistretta, Carolyn Neal 1994-7-1 8088 Los Angeles San Gabriel Mountains: NNE of Pacifico Mtn summit (27 deg , 425m) and ESE of Sheep Camp Spring (100 deg , 405m) at the headwaters of Santiago Canyon. 2098 Comment
  RSA579307  Luzula comosa Timothy S. Ross, Orlando Mistretta, Carolyn Neal 1994-7-1 8087 Los Angeles Sheep Camp Spring, 334 degrees and 520m NNW of Pacifico Mtn summit, at the headwaters of Santiago Canyon 1921 Comment
  RSA579309  Agrostis exarata Timothy S. Ross, Orlando Mistretta, Carolyn Neal 1994-7-1 8086 Los Angeles San Gabriel Mountains: Sheep Camp Spring, 334 deg. and 520 meters NNW of Pacifico Mountain summit, at the headwaters of Santiago Canyon. 1921 Comment
  RSA579314  Stachys albens Tim S. Ross, Orlando Mistretta, Carolyn Neal 1994-7-1 8080 Los Angeles Sheep Camp Spring, 334 degrees and 520m NNW of Pacifico Mtn summit, at the headwaters of Santiago Canyon 1921 Comment
  RSA579317  Erysimum capitatum var. capitatum Timothy S. Ross 1994-5-31 7979 Los Angeles San Gabriel Mountains: vicinity of Pacifico Mountain: upper northerly slope of major flat-topped ridge ca. 680 m due W of Sheep Camp Spring. 2049 Comment
  RSA579321  Hulsea vestita subsp. gabrielensis Timothy S. Ross 1994-5-31 7976 Los Angeles W slope, ca 860 m WSW of the 7124-ft summit 2072 Comment
  RSA579323  Lupinus formosus var. formosus T. S. Ross 1994-5-31 7977 Los Angeles San Gabriel Mountains: vicinity of Pacifico Mountain: upper northerly slope of major flat-topped ridge ca. 680 m due W of Sheep Camp Spring. 2049 Comment
  RSA579435  Gayophytum heterozygum Tim S. Ross, D. L. Banks 1994-6-21 7988 Los Angeles Vicinity of Pacifico Mountain: decending northerly ridge with Tie Canyon on the W, an upper tributary of Santiago Canyon on the E; ca. 2325 m NW of Pac. Mtn s 7124-foot summit. 1915 Comment
  RSA579443  Fremontodendron californicum subsp. californicum Tim S. Ross, D. L. Banks 1994-6-21 7989 Los Angeles Vicinity of Pacifico Mountain: decending northerly ridge with Tie Canyon on the W, an upper tributary of Santiago Canyon on the E; ca. 2325 m NW of Pac. Mtn's 7124-foot summit. 1915 Comment
  RSA579450  Gayophytum diffusum subsp. parviflorum Tim S. Ross, Steve D. Boyd 1994-6-23 8039 Los Angeles Sawmill Mountain: 5514-ft summit and immediately adjacent slopes. 1665 Comment
  RSA579460  Rhamnus tomentella subsp. cuspidata Tim S. Ross, S. D. Boyd 1994-9-21 8292 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1677 Comment
  RSA579466  Camissonia strigulosa Tim S. Ross, Steve D. Boyd 1994-5-10 7741 Los Angeles Warm Springs Mountain: at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon 668 Comment
  RSA579469  Epilobium ciliatum subsp. ciliatum Tim S. Ross, Steve D. Boyd 1994-5-10 7744 Los Angeles Warm Springs Mountain: at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon 668 Comment
  RSA579472  Collinsia heterophylla var. austromontana Tim S. Ross, Steve D. Boyd 1994-5-10 7725 Los Angeles Warm Springs Mountain: at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon 668 Comment
  RSA579473  Nemophila menziesii var. integrifolia Tim S. Ross, Steve D. Boyd 1994-5-10 7727 Los Angeles Warm Springs Mountain: at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon 668 Comment
  RSA579501  Phacelia egena Tim S. Ross, Steve D. Boyd 1994-6-23 8044 Los Angeles Sawmill Mountain: 5514-ft summit and immediately adjacent slopes. 1665 Comment
  RSA579502  Platystemon californicus var. crinitus Tim S. Ross, S. D. Boyd 1994-6-23 8041 Los Angeles Sawmill Mountain: 5514-ft summit and immediately adjacent slopes. 1665 Comment
  RSA579511A  Chorizanthe xanti var. xanti Tim S. Ross, S. D. Boyd 1994-6-23 8066 Los Angeles Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch. 1463 Comment
  RSA579511B  Eriogonum umbellatum var. canifolium Tim S. Ross, S. D. Boyd 1994-6-23 8053 Los Angeles Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch. 1463 Comment
  RSA579520  Ribes roezlii Tim S. Ross, Steve D. Boyd 1994-6-23 8063 Los Angeles Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch. 1463 Comment
  RSA579526  Mentzelia dispersa Tim S. Ross, Steve D. Boyd 1994-5-24 7872 Los Angeles Lower NE slope of Grass Mountain: northeasterly draw and adjacent northerly slope dissected by Burns Truck Trail and draining to the upper central area of Burns Canyon. 1148 Comment
  RSA579529  Turricula parryi Tim S. Ross, Steve D. Boyd 1994-5-24 7875 Los Angeles Vicinity of Burns Canyon: Burns Truck Trail, along low, northerly slope draining to lower Burns Canyon; 2220 m ENE from Grass Mountain summit; 1290 me WSW Andrade Corner. 1116 Comment
  RSA579534  Fraxinus uhdei Tim S. Ross, Steve D. Boyd 1994-5-24 7835 Los Angeles ''Cottonwood Swamp'' Confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountain. Liebre Mount 512 Comment
  RSA579544  Mentzelia dispersa Tim S. Ross, Steve D. Boyd 1994-6-23 8060 Los Angeles Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch. 1463 Comment
  RSA579547  Chorizanthe watsonii Tim S. Ross, S. D. Boyd 1994-6-23 8059 Los Angeles Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch. 1463 Comment
  RSA579570  Eriogonum nudum var. westonii Tim S. Ross, S. D. Boyd 1994-9-20 8242 Los Angeles Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road. 980 Comment
  RSA579800  Clarkia purpurea subsp. quadrivulnera Tim S. Ross, Steve D. Boyd 1994-5-24 7861 Los Angeles Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley. 1384 Comment
  RSA579873  Phacelia egena Tim S. Ross, Steve D. Boyd 1994-5-24 7852 Los Angeles Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley. 1384 Comment
  RSA580094A  Epilobium ciliatum subsp. ciliatum Tim S. Ross, Steve D. Boyd, Steve Burns 1994-7-6 8112 Los Angeles Tributary of Clearwater Canyon: fork area of major blueline tributary which drains southward form Tule Ridge and joins Clearwater Canyon at Plum Spring. (section not demarcated on my map). 814 Comment
  RSA580094B  Mimulus cardinalis Tim S. Ross, S. D. Boyd, Steve Burns 1994-7-6 8117 B Los Angeles Tributary of Clearwater Canyon: fork area of major blueline tributary which drains southward form Tule Ridge and joins Clearwater Canyon at Plum Spring. (section not demarcated on my map). 814 Comment
  RSA580096A  Eriogonum cithariforme var. agninum Tim S. Ross, S. D. Boyd, Steve Burns 1994-7-7 8144 A Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1677 Comment
  RSA580097A  Eriogonum thurberi Tim S. Ross, S. D. Boyd 1994-7-7 8170 Los Angeles South base of Liebre Mountain: ca 960 m N of the ''Kelly Ranch'' inholding (USFS map, 1958; 'Knapp Ranch', Angeles Nat'l Forest map, 1982). 1095 Comment
  RSA580103  Urtica dioica subsp. holosericea Tim S. Ross, Steve D. Boyd 1994-9-21 8339 Los Angeles 'Cow Spring Pond': sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the S side of West Oakdale Canyon Road, ca 100m W of the Cow Spring Canyon drainage. 1149 Comment
  RSA580144  Erodium botrys Tim S. Ross, Darin Banks 1994-4-12 7508 Los Angeles San Francisquito Canyon: westerly ridge descending from SW/NE-trending ridge which divides S. Fr. Canyon from Dry Canyon; ca 480 m SE of where Drinkwater Canyon joins S. Fr. Canyon. 634 Comment
  RSA580188  Antirrhinum multiflorum Tim S. Ross, Steve D. Boyd 1994-5-25 7919 Los Angeles Warm Springs Mountain: ca 450 m NW of summit. 1140 Comment
  RSA580308  Malacothamnus fremontii Tim S. Ross, Steve D. Boyd 1994-5-25 7927 Los Angeles Necktie Basin: hanging basin ca 470-830 meters W of Warm Springs Mountain summit. These collections from ca. 600-800 meters WSW of summit. 1061 Comment
  RSA580313  Clarkia cylindrica subsp. cylindrica Tim S. Ross, Steve D. Boyd 1994-5-24 7869 Los Angeles Lower NE slope of Grass Mountain: northeasterly draw and adjacent northerly slope dissected by Burns Truck Trail and draining to the upper central area of Burns Canyon. 1148 Comment
  RSA580449  Claytonia rubra subsp. rubra Timothy S. Ross, Steve Boyd 1994-5-11 7814 Los Angeles Sawmill Mountain: W summit area ca 260-350 meters SE of Sawmill Campground 1598 Comment
  RSA580465  Eriogonum saxatile Tim S. Ross, S. D. Boyd 1994-5-11 7829 Los Angeles Sawmill Mountain: center summit area, along Maxwell Truck Trail; ca 1370 m ESE of Upper Shake Campground. 1405 Comment
  RSA580468  Phacelia distans Tim S. Ross, Steve D. Boyd 1994-5-11 7792 Los Angeles Atmore Meadows spur road: east end of Liebre Mountain near the head of North Fork Fish Canyon. 1500 Comment
  RSA580510  Quercus wislizeni var. wislizeni Tim S. Ross, Steve D. Boyd 1994-5-10 7750 Los Angeles Lower Deer Canyon: inside the rather broad mouth of the canyon, ca 220-380 m NNW of its confluence with Elizabeth Lake Canyon. 873 Comment
  RSA580689  Mimulus constrictus Tim S. Ross, S. D. Boyd 1994-5-25 7909 Los Angeles West summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersections of sections 3,4,9, and 10, T7N R17W. 1684 Comment
  RSA580691  Phacelia davidsonii Tim S. Ross, Steve D. Boyd 1994-5-25 7879 Los Angeles West summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersections of sections 3,4,9, and 10, T7N R17W. 1684 Comment
  RSA580693  Camissonia campestris subsp. campestris Tim S. Ross, Steve D. Boyd 1994-5-25 7906 Los Angeles West summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersections of sections 3,4,9, and 10, T7N R17W. 1684 Comment
  RSA580741  Rhamnus ilicifolia Tim S. Ross, S. D. Boyd 1994-5-25 7934 Los Angeles Necktie Basin: hanging basin ca 470-830 meters W of Warm Springs Mountain summit. These collections from ca. 600-800 meters WSW of summit. 1061 Comment
  RSA582221  Keckiella ternata subsp. septentrionalis Tim S. Ross, Steve D. Boyd 1992-7-5 6603 Los Angeles Red Mountain: E ridge of red Mtn, ca 530 m E of the summit. 1119 Comment
  RSA582223  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1992-7-5 6602 Los Angeles Red Mountain: E ridge of red Mtn, ca 530 m E of the summit. 1119 Comment
  RSA582225  Chorizanthe staticoides subsp. staticoides Tim S. Ross, S. D. Boyd 1992-7-5 6609 Los Angeles Liebre Mts: Red Mountain: rocky summit area. 1201 Comment
  RSA582448  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8204 Los Angeles Santa Catalina Island. W end of the island, midway between Star Bay and Black Point. 280 Comment
  RSA582450  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8202 Los Angeles Santa Catalina Island. Upper ''Little Geiger'' first blue-line drainage W of Cherry Canyon and Lion Head (un-nnamed on topo map) 88 Comment
  RSA582473  Picris echioides Timothy S. Ross, Steve Boyd 1993-5-23 7215 Los Angeles Western Arcadia: slope on the N side of the Foothill Freeway (I-210) between Michillinda Avenue and its west-bound off-ramp. 198 Comment
  RSA582495  Solanum umbelliferum Tim S. Ross, Steve D. Boyd 1993-5-23 7280 Los Angeles Steep, northerly draw draining from saddle between Red Mtn's long E Ridge and a small notched peak (3227-ft), to upper Clearwater Canyon, ca 430-500 m SSW of Plum Spring. 875 Comment
  RSA582762  Dicentra chrysantha Tim S. Ross, Steve D. Boyd 1993-5-23 7262 Los Angeles Saddle between Red Mtn's long E ridge and a small notched peak (3227-ft), ca 700 m SSW of Plum Spring (in upper Clearwater Canyon). 884 Comment
  RSA582770  Dendromecon rigida Tim S. Ross, S. D. Boyd 1993-5-23 7224 Los Angeles Lower, easterly ridge of Red Mtn, on northerly slope 140-220 m SE of the saddle between Ruby and Clearwater Canyons. 951 Comment
  RSA582952  Cheilanthes covillei T. S. Ross, Steve Boyd 1993-5-23 7291 Los Angeles Saddle between Red Mtn's long E ridge and a small notched peak (3227-ft), ca 700 m SSW of Plum Spring (in upper Clearwater Canyon). 884 Comment
  RSA582961  Phalaris coerulescens Timothy S. Ross 1993-4-23 6929 Los Angeles Santa Catalina Island. SW part of the island in Middle Canyon; along Middle Canyon Road between Thompson Dam and Eagle's Nest Lodge. 168 Comment
  RSA582962  Eriogonum giganteum var. giganteum Tim S. Ross 1993-4-23 6932 Los Angeles Santa Catalina Island. SW part of the island in Middle Canyon; ca. 255m W of Eagles Nest Lodge 152 Comment
  RSA582963  Xylococcus bicolor T. S. Ross, Janet Takara 1993-4-23 6942 -a Los Angeles Santa Catalina Island, upper E side of Cottonwood Canyon Drainage, ca. 1035 m WNW of Black Jack Mtn. Summit 436 Comment
  RSA582970  Gamochaeta ustulata Timothy S. Ross, Janet Takara 1993-4-23 6943 Los Angeles Santa Catalina Island: upper E side of Cottonwood Canyon drainage, 1035m WNW of Black jack Mtn summit 436 Comment
  RSA582994  Trifolium microdon Tim S. Ross 1993-4-22 6903 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560 ft. ); 1400m ESE of Cactus Peak Summit. 393 Comment
  RSA583000  Trifolium macraei Tim S. Ross 1993-4-22 6894 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560 ft. ); northeasterly slope 100 meters due N of summit. 468 Comment
  RSA583006  Micropus californicus Timothy S. Ross, Janet Takara, S. Otte 1993-4-24 6957 Los Angeles Santa Catalina Island; W end of island beyond the isthmus, head of Bouchette Canyon (draining Northward to Johnsons Landing). 360 Comment
  RSA583009  Achyrachaena mollis Tim Ross, Janet Takara, S. Otte 1993-4-24 6946 Los Angeles Santa Catalina Island. Along road between Upper Buffalo Corral Reservoir and Summit Reservoir, ca 260 m due S of 932-ft knoll. 221 Comment
  RSA583014  Caesalpinia spinosa Tim S. Ross 1993-4-23 6934 Los Angeles Santa Catalina Island: SW part of the island in Middle Canyon; riparian strip ca 25 m SE of Eagles Nest Lodge. 146 Comment
  RSA583017  Euphorbia misera T. S. Ross, Janet Takara, Stacey Otte 1993-4-24 6944 Los Angeles Santa Catalina Island, ca. 1600 ft NE of Little Harbor on slope overlooking the harbor. 40 Comment
  RSA583021  Dendromecon rigida subsp. harfordii Tim S. Ross, Takara, Otte 1993-4-24 6958 Los Angeles Santa Catalina Island. W end of island beyond the isthmus, head of Bouchette Canyon (draining northward to Johnson's Landing). 412 Comment
  RSA583022  Dendromecon rigida subsp. harfordii Tim S. Ross, Takara, Otte 1993-4-24 6958 Los Angeles Santa Catalina Island. W end of island beyond the isthmus, head of Bouchette Canyon (draining northward to Johnson's Landing). 412 Comment
  RSA583023  Acourtia microcephala Tim Ross, Janet Takara, S. Otte 1993-4-24 6963 Los Angeles Santa Catalina Island. W end of island beyond the isthmus, lower Bouchette Canyon (draining northeastward to Johnsons Landing). 91 Comment
  RSA583031  Lupinus bicolor subsp. microphyllus T. S. Ross 1993-4-22 6873 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft.); southerly coastal slope of 1320 m SE of Cactus Peak summit. 351 Comment
  RSA583033  Dichondra occidentalis T. S. Ross 1993-4-22 6879 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560 ft. ); northeasterly slope 100 meters due N of summit. 468 Comment
Read comments Jan 14 2008
  RSA583035  Dodecatheon clevelandii subsp. insulare Tim S. Ross 1993-4-22 6874 Los Angeles Santa Catalina Island. SW part of the island in vicinity of Cactus Peak (1560ft); northwesterly slope 350m. ENE peak 419 Comment
  RSA583038  Dichelostemma capitatum subsp. capitatum Timothy S. Ross 1993-4-22 6871 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); 885 m due N of Cactus Peak summit; northerly slope draining to middle Bullrush Canyon. 289 Comment
  RSA583045  Calochortus catalinae Timothy S. Ross 1993-4-22 6889 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft.); southerly coastal slope of 1320 m SE of Cactus Peak summit. 351 Comment
  RSA583048  Salvia mellifera Tim S. Ross 1993-4-22 6893 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft.); southerly coastal slope of 1320 m SE of Cactus Peak summit. 351 Comment
  RSA583050  Alchemilla occidentalis Tim S. Ross, Janet Takara, S. Otte 1993-4-25 6966 Los Angeles Santa Catalina Island: head of south fork Descanso Canyon. 177 Comment
  RSA583060  Sambucus mexicana T. S. Ross 1993-4-23 6927 Los Angeles Santa Catalina Island: Canyon Road where it crosses over a northerly tributary NW of Thompson Dam. 181 Comment
  RSA583066  Trifolium microcephalum Tim S. Ross 1993-4-22 6904 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560 ft. ); 1400m ESE of Cactus Peak Summit. 393 Comment
  RSA583069  Sanicula arguta T. S. Ross 1993-4-22 6897 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560ft), 825m ESE of Cactus Peak summit, in saddle between 1548ft and 1528ft summits. 431 Comment
  RSA583071  Lathyrus vestitus subsp. vestitus T. S. Ross 1993-4-22 6910 Los Angeles Santa Catalina Island: SW part of the island in Bullrush Canyon; 1080 m due N of Cactus Peak (1560 ft); on terrace-like portion near base of northerly slope 259 Comment
  RSA583073  Carex triquetra Timothy S. Ross 1993-4-22 6908 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); 885 m due N of Cactus Peak summit; northerly slope draining to middle Bullrush Canyon. 289 Comment
  RSA583131  Filago arizonica Timothy S. Ross 1993-4-22 6920 Los Angeles Santa Catalina Island: SW part of the island in Bullrush Canyon, along old dirt road (no longer maintained) that ascends the ridge to the N and drops to Thompson Dam. 236 Comment
  RSA583132  Matricaria matricarioides Timothy S. Ross 1993-4-22 6913 Los Angeles Santa Catalina Island: SW part of the island in Bullrush Canyon, along old dirt road (no longer maintained) that ascends the ridge to the N and drops to Thompson Dam. 236 Comment
  RSA583133  Centaurium venustum Tim S. Ross 1993-4-22 6907 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560ft); 800 m due N of Cactus Peak summit; northerly slope draining to middle Bullrush Canyon. 305 Comment
  RSA583135  Sanguisorba minor Tim S. Ross 1993-4-22 6923 Los Angeles Santa Catalina Island. SW part of the island in Middle Canyon; overlooking Thompson Reservoir, along old dirt road (no longer maintained) that ascends the ridge SW of Thompson Dam and drops to Bullrush Canyon. 213 Comment
  RSA584006  Eriodictyon trichocalyx var. trichocalyx Tim S. Ross 1991-4-25 4579 Los Angeles San Gabriel Mtns: Steep slope dropping S from Doe Flat toward Graveyard Canyon (which drains to the lower E Fork of the San Gabriel River). 732 Comment
  RSA584009  Salix lasiolepis Tim S. Ross, Steve D. Boyd 1991-4-25 4598 Los Angeles Lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at 1540 ft. elev.) (Glendora) 536 Comment
  RSA584014  Lepidium virginicum var. robinsonii Timothy S. Ross, S. D. Boyd 1991-4-25 4608 Los Angeles San Gabriel Mountains: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.). 512 Comment
  RSA584017  Ribes amarum T. S. Ross 1991-4-25 4614 Los Angeles San Gabriel Mountains: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.). 512 Comment
  RSA584021  Filago californica Timothy S. Ross, Steve Boyd 1991-4-25 4582 Los Angeles San Gabriel Mtns: Steep slope dropping S from Doe Flat toward Graveyard Canyon (which drains to the lower E Fork of the San Gabriel River). 731 Comment
  RSA584022  Salix laevigata Tim S. Ross, Steve D. Boyd 1990-5-29 2709 Los Angeles San Gabriel Mtns: Big Rock Creek. Empty, gutted cabin on E side of riparian strip, just upstream from the Gaging Station. 1236 Comment
  RSA584023  Eriodictyon trichocalyx var. trichocalyx Tim S. Ross 1990-5-29 2707 Los Angeles San Gabriel Mtns: Big Rock Creek. Empty, gutted cabin on E side of riparian strip, just upstream from the Gaging Station. 1236 Comment
  RSA584035  Rhus trilobata var. quinata T. S. Ross, Steve D. Boyd 1991-4-25 4575 Los Angeles San Gabriel Mtns: Doe Flat and immediate vicinity, situated between Graveyard Canyon and the E Fk of Susanna Canyon, draining to the lower E Fk of the San Gabriel River. 841 Comment
  RSA584038  Aspidotis californica T. S. Ross, Steve Boyd 1991-4-25 4588 Los Angeles Lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at 1540 ft. elev.) (Glendora). 536 Comment
  RSA584043  Nemophila menziesii var. integrifolia Tim S. Ross 1992-4-21 6210 Los Angeles Glendora Ridge Road: on the divide between upper East Fork San Dimas Canyon & Lower Cow Canyon, daining toward the latter 1317 Comment
  RSA584045  Marah macrocarpa var. macrocarpa T. S. Ross 1992-4-21 6222 b Los Angeles San Gabriel Mountains, Glendora Ridge Road: north margin of road pull-out ca 215 meters NW of Horse Canyon Saddle 1024 Comment
  RSA584048  Pterostegia drymarioides Tim S. Ross 1992-4-21 6232 Los Angeles W and SW of Horse Canyon Saddle; along an old roadcut (ultimately joining Lower Monroe Road) that marks the NW boundary of the San Dimas Experimental Forest. 1042 Comment
  RSA584050  Marah macrocarpa var. macrocarpa T. S. Ross 1992-4-21 6219 Los Angeles Glendora Ridge Road: on the divide between San Dimas Canyon & Cattle Canyon, draining northwestward toward Peacock Canyon. 1121 Comment
  RSA584056  Rubus ursinus Tim S. Ross, Steve D. Boyd 1991-4-25 4590 Los Angeles Lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at 1540 ft. elev.) (Glendora) 536 Comment
  RSA584059  Adiantum capillus-veneris T. S. Ross, Steve Boyd 1991-4-25 4609 Los Angeles Lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at 1540 ft. elev.) (Glendora). 536 Comment
  RSA584060  Eucrypta chrysanthemifolia var. chrysanthemifolia Tim S. Ross 1991-4-25 4591 Los Angeles Lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at 1540 ft. elev.) (Glendora) 536 Comment
  RSA584104  Clarkia cylindrica subsp. cylindrica Tim S. Ross, Steve D. Boyd 1990-5-15 2520 Los Angeles Live Oak Campground, Tujunga Ranger Distruct, Angeles National Forestr; at the confluence of Sand Canyon and Bear Canyon. (draining to the Santa Clara River about 3.5 miles north) 646 Comment
  RSA584106  Chenopodium botrys T. S. Ross, Steve D. Boyd 1990-5-15 2516 Los Angeles Live Oak Campground, Tujunga Ranger Distruct, Angeles National Forestr; at the confluence of Sand Canyon and Bear Canyon. (draining to the Santa Clara River about 3.5 miles north) 646 Comment
  RSA584110  Quercus john-tuckeri Tim S. Ross 1990-6-11 3000 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon. 1255 Comment
  RSA584116  Salix laevigata Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 2991 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon. 1255 Comment
  RSA584119  Melia azedarach Tim S. Ross, Steve Boyd, Peter Fritsch 1990-6-11 2992 Los Angeles Big Rock Creek: just above the confluence of Holcomb Canyon Creek, between Big Rock Creek Road and the mouth of Holcomb Canyon. 1255 Comment
  RSA584122  Rubus ursinus Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-8 2973 Los Angeles Upper Big Tujunga Canyon: margin of Big Tujunga Creek and toes of the slopes immediately west (ca 1.6 air miles ENE of Barley Flats). 1213 Comment
  RSA584125  Drymocallis glandulosa Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-8 2970 Los Angeles Upper Big Tujunga Canyon: margin of Big Tujunga Creek and toes of the slopes immediately west (ca 1.6 air miles ENE of Barley Flats). 1213 Comment
  RSA584128  Camissonia hirtella Tim S. Ross, Steve D. Boyd, Peter Fritsch 1990-6-8 2967 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats) 1250 Comment
  RSA584131  Achnatherum speciosum Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2961 Los Angeles Upper Big Tujunga Canyon (ca. 0.9-1.4 air miles ENE of Barley Flats). 1280 Comment
  RSA584132  Salvia leucophylla Tim S. Ross, Steve D. Boyd, Peter Fritsch 1990-6-8 2960 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats) 1250 Comment
  RSA584141  Sambucus mexicana T. S. Ross, Steve D. Boyd, Peter Fritsch 1990-6-8 2977 Los Angeles Upper Big Tujunga Canyon: margin of Big Tujunga Creek and toes of the slopes immediately west (ca 1.6 air miles ENE of Barely Flats). 1213 Comment
  RSA584175  Cistus ladanifer T. S. Ross 1990-5-15 2530 Los Angeles Yerba Buena Ridge; Tujunga Ranger Distruct, Angeles National Forest; peripheral ridge N from Yerba Buena Rd. dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N) 914 Comment
  RSA584178  Cistus creticus T. S. Ross 1990-5-15 2526 Los Angeles Yerba Buena Ridge; Tujunga Ranger Distruct, Angeles National Forest; peripheral ridge N from Yerba Buena Rd. dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N) 914 Comment
  RSA584287  Camissonia hirtella Tim S. Ross, Orlando Mistretta 1993-5-26 7302 Los Angeles W end of the San Gabriel Mtns: southerly slope off the main E/W divide about midway between Wilson Canyon Saddle and May Canyon Saddle (draining to Wilson Canyon and Sylmar). 994 Comment
  RSA584300  Gnaphalium luteoalbum Timothy S. Ross, Orlando Mistretta 1993-5-26 7311 Los Angeles W end of the San Gabriel Mtns: Santa Clara Road (USFS) between Wilson Canyon Saddle and May Canyon saddle. Seepy northerly draw at roadside, head of a tributary of Los Pinetos Canyon. 1043 Comment
Read comments Sep 30 2014
  RSA584306  Boykinia rotundifolia T. S. Ross, W. Appleby 1993-6-7 7368 -B Los Angeles W end of the San Gabriel Mountains: Los Pinetos Spring. 887 Comment
  RSA584314  Hymenoclea salsola Timothy S. Ross, Steve Boyd 1991-3-23 4245 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, west of Lovejoy Springs (destroyed by development). 851 Comment
  RSA584317  Brickellia desertorum Timothy S. Ross, Steve Boyd 1991-3-23 4262 Los Angeles Lovejoy Buttes, on the Mojeve Desert: NE portion on the main buttes, W of Lovejoy Springs. Lovejoy Buttes 927 Comment
  RSA584321  Ageratina adenophora T. S. Ross 1992-5-24 6405 Los Angeles San Gabriel Mountains: Lower Brown's Gulch: just W of the San Gabriel Dam 463 Comment
  RSA584323  Lycium andersonii Tim S. Ross, Steve D. Boyd 1991-3-23 4241 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, west of Lovejoy Springs (destroyed by development). 851 Comment
  RSA584335  Salix exigua Tim S. Ross, Orlando Mistretta 1993-5-26 7312 Los Angeles W end of the San Gabriel Mtns: Santa Clara Road (USFS) between Wilson Canyon Saddle and May Canyon saddle. Seepy northerly draw at roadside, head of a tributary of Los Pinetos Canyon. 1043 Comment
Read comments Sep 30 2014
  RSA584338  Leptosiphon pygmaeus subsp. pygmaeus T. S. Ross, Darin L. Banks 1994-4-12 7468 Los Angeles San Francisquito Canyon: westerly draw draining from ridge which divides S. Fr. Cyn from Dry Canyon; ca 630 m s of where Drinkwater Canyon joins S. Fr. Canyon. 518 Comment
  RSA584389  Lotus dendroideus var. dendroideus T. S. Ross 1994-8-1 8184 Los Angeles Santa Catalina Island. Vicinity of Twin Rocks, 260m S of 940-ft peak; midway, and on E side of easternmost blue-line drainage to Goat Harbor. 264 Comment
  RSA584395  Achnatherum occidentale subsp. occidentale Timothy S. Ross, Darin Banks 1994-6-21 7991 Los Angeles ridge W of Pacifico Mtn. between Tie Canyon and Santiago Canyon drainages 1905 Comment
  RSA584484  Achillea millefolium T. S. Ross 1992-5-24 6415 Los Angeles Brown's Gulch: Draining to San Gabriel Canyon at base of San Gabriel Dam. 464 Comment
  RSA584498  Setaria parviflora Timothy S. Ross 1992-5-24 6401 Los Angeles W margin of Hwy 39, and on disturbed slope descending into Brown's Gulch. 479 Comment
  RSA584502  Umbellularia californica T. S. Ross 1992-5-24 6408 Los Angeles San Gabriel Mountains: Lower Brown s Gulch: just W of the San Gabriel Dam 463 Comment
  RSA584594  Phacelia imbricata subsp. imbricata Tim S. Ross 1993-5-26 7315 Los Angeles W end of San Gabriel Mountains, Santa Clara Road (USFS) between Wilson Canyon Saddle on May Canyon Saddle; N slope of the 3834-foot peak NW of May Canyon Saddle. 1097 Comment
  RSA584597  Leymus condensatus Timothy S. Ross, Orlando Mistretta 1993-5-26 7303 Los Angeles W end of the San Gabriel Mountains: near head of upper E Fork Wilson Canyon just E of 'Lupine Saddle', ca. 780 meters E of Wilson Canyon Saddle. 976 Comment
  RSA584601  Muhlenbergia microsperma Timothy S. Ross, Orlando Mistretta 1993-5-27 7330 Los Angeles W end of San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon. 841 Comment
  RSA584620  Delphinium patens subsp. hepaticoideum Tim S. Ross, S. D. Boyd 1991-4-25 4611 Los Angeles San Gabriel Mountains: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.). 512 Comment
  RSA584626  Vulpia myuros var. hirsuta Timothy S. Ross, Steve Boyd 1991-4-25 4577 Los Angeles San Gabriel Mtns: Doe Flat and immediate vicinity, situated between Graveyard Canyon and the E Fk of Susanna Canyon, draining to the lower E Fk of the San Gabriel River. 841 Comment
  RSA584629  Nassella cernua Timothy S. Ross, Janet Takara, Stacey Otte 1993-4-24 6950 Los Angeles Santa Catalina Island: W end of island beyond isthmus, on main east-west ridgetop, ca 615 meters E of Granite Triangulation Point and 620 meters WNW of Oak Triangulation Point. 488 Comment
  RSA584674  Eriogonum giganteum var. giganteum Tim S. Ross 1991-6-3 5548 Los Angeles San Jose Hills: West edge of Cal Poly Pomona. 274 Comment
  RSA584679  Ceratonia siliqua Tim S. Ross, Annette H. Ross 1991-6-3 5553 Los Angeles San Jose Hills: undeveloped slopes west of California State Polytechnic University, Pomona. 274 Comment
  RSA584694  Arctostaphylos glandulosa subsp. mollis T. S. Ross 1990-6-8 2974 Los Angeles Upper Big Tujunga Canyon (ca. 0.9-1.4 air miles ENE of Barley Flats). 1280 Comment
  RSA584770  Keckiella ternata subsp. ternata Tim S. Ross 1992-7-17 6728 Los Angeles San Gabriel Mtns: Summit of Condor Peak. 1645 Comment
  RSA584845  Ceanothus leucodermis Tim S. Ross 1993-6-1 7348 Los Angeles Upper Winter Creek Trail between Chantry Flat and Hoegee Camp (on Winter Creek), on the W side of Santa Anita Canyon. 762 Comment
  RSA584848  Phacelia grandiflora Tim S. Ross 1993-6-1 7356 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail between Chantry Flat and Hoegee Camp (on Winter Creek), on the W side of Santa Anita Canyon. 841 Comment
  RSA584856  Clarkia dudleyana Tim S. Ross 1993-6-1 7359 Los Angeles Just NW of Chantry Flat along Upper Winter Creek Trail. 732 Comment
  RSA584859  Amorpha californica var. californica T. S. Ross 1993-6-1 7363 Los Angeles W marvin of Chantry Flat near beginning of upper Winter Creek Trail. 707 Comment
  RSA584866  Elymus glaucus subsp. glaucus Timothy S. Ross, Steve Boyd 1990-6-4 2803 Los Angeles East-West ridge ca 1400 m N of MT GLEASON: ridge separating the headwaters of Arrastre Canyon from upper west tributaries of Gleason Canyon 1549 Comment
  RSA584871  Camissonia hirtella Tim S. Ross, Steve D. Boyd 1990-6-4 2797 Los Angeles San Gabriel Mountains: East-West ridge ca. 1400 m N of Mt Gleason: ridge separating the headwaters of Arrastre Canyon from upper west tributaries of Gleason Canyon. 1549 Comment
  RSA584884  Leymus condensatus Timothy S. Ross, Steve Boyd 1990-6-1 2781 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  RSA584903  Eriogonum fasciculatum var. polifolium Tim S. Ross, S. D. Boyd 1992-7-5 6605 Los Angeles Liebre Mts: Red Mountain: rocky summit area. 1201 Comment
  RSA584947  Melica imperfecta Timothy S. Ross, Steve Boyd 1991-4-25 4600 Los Angeles Lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at 1540 ft. elev.) (Glendora). 536 Comment
  RSA584951  Cistanthe monandra Timothy S. Ross, Steve Boyd 1991-4-25 4586 Los Angeles San Gabriel Mtns: Steep slope dropping S from Doe Flat toward Graveyard Canyon (which drains to the lower E Fk of the San Gabriel River). 731 Comment
  RSA584952  Ceanothus leucodermis Tim S. Ross, S. D. Boyd 1991-4-25 4607 Los Angeles San Gabriel Mountains: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.). 512 Comment
  RSA584953  Thalictrum fendleri var. fendleri Tim S. Ross, S. D. Boyd 1990-6-1 2778 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  RSA584961  Juncus mexicanus Timothy S. Ross, Steve Boyd 1990-6-1 2769 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  RSA584962  Chenopodium pratericola T. S. Ross 1990-6-1 2768 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  RSA584963  Pycnanthemum californicum Tim S. Ross 1990-6-1 2767 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  RSA584968  Calystegia longipes T. S. Ross 1990-6-1 2760 Los Angeles San Gabriel Mountains, Moody Canyon (a.k.a. 'The Toilet Bowl of Death'): draining northward from Messenger Flats and Mt Gleason. 1159 Comment
  RSA584970  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1990-6-1 2759 Los Angeles San Gabriel Mountains, Moody Canyon (a.k.a. 'The Toilet Bowl of Death'): draining northward from Messenger Flats and Mt Gleason. 1159 Comment
  RSA584976  Camissonia hirtella Tim S. Ross 1993-5-16 7163 Los Angeles San Gabriel Mountains: Upper Monroe Road; ridgetop hillock on the divide between Persinger, Horse and Little Dalton canyons; ca 850-930 m NW of Horse Canyon Saddle. 1024 Comment
  RSA585028  Croton californicus T. S. Ross 1991-11-15 s.n. Los Angeles Claremont: RSABG grounds: granitic alluvium of slight southwesterly slope on the NW side of Indian Hill Mesa (i.e. The Back 40). 409 Comment
  RSA585031  Vitis vinifera Tim S. Ross 1991-11-15 s.n. Los Angeles Claremont: RSABG grounds: Indian Hill Mesa. 405 Comment
  RSA585033  Rubus discolor Tim S. Ross 1991-11-15 s.n. Los Angeles Claremont: RSABG grounds: Indian Hill Mesa. 405 Comment
  RSA585150  Clematis lasiantha Tim S. Ross, S. D. Boyd 1990-5-31 2735 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon 1220 Comment
  RSA585156  Camissonia hirtella Tim S. Ross, Steve D. Boyd 1990-6-1 2754 Los Angeles San Gabriel Mountains, Moody Canyon (a.k.a. 'The Toilet Bowl of Death'): draining northward from Messenger Flats and Mt Gleason. 1159 Comment
  RSA585316  Phacelia davidsonii Tim S. Ross 1991-4-27 4649 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (and hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
Read comments Dec 31 2018
  RSA585319  Ericameria cooperi Timothy S. Ross 1991-4-27 4714 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  RSA585325  Syntrichopappus fremontii Timothy S. Ross 1991-4-27 4722 Los Angeles Black Butte: easterly and northeasterly slopes 1082 Comment
  RSA585328  Mimulus fremontii Tim S. Ross 1991-4-27 4634 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (and hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
  RSA585331  Camissonia claviformis subsp. claviformis Tim S. Ross 1991-4-27 4691 Los Angeles Mojave Desert: ca 0.85 mi W of Three Sisters and 1.2 mi S of Black Butte. Bladed road heading N from Black Butte Basin Road x Avenue 'U' [not on 1968 topo], running northward to the W of BBB Rd for about 1.2 miles, then rejoining it NW of Three Sisters. 944 Comment
  RSA585332  Hymenoclea salsola Timothy S. Ross 1991-4-27 4715 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  RSA585333  Mirabilis bigelovii var. retrorsa Tim S. Ross 1991-4-27 4702 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  RSA585342  Lepidium fremontii Timothy S. Ross 1991-4-27 4639 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line 1183 Comment
  RSA585343  Cryptantha micrantha T. S. Ross 1991-4-27 4638 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line 1183 Comment
  RSA585364  Gilia aliquanta subsp. aliquanta T. S. Ross 1991-4-27 4707 -b Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  RSA585367  Eriophyllum wallacei Timothy S. Ross 1991-4-27 4693 Los Angeles Mojave Desert: ca 0.85 mi W of Three Sisters and 1.2 mi S of Black Butte. Bladed road heading N from Black Butte Basin Road x Avenue 'U' [not on 1968 topo], running northward to the W of BBB Rd for about 1.2 miles,, then rejoining it NW of Three Sisters. 944 Comment
  RSA585375  Juniperus osteosperma T. S. Ross 1991-4-27 4655 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line 1183 Comment
  RSA585404  Stanleya pinnata var. pinnata Timothy S. Ross, S. D. Boyd 1990-5-29 2713 Los Angeles Big Rock Springs: immediate vicinity of Big Rock Creek where crossed by Big Pines Highway (Valyermo Rd.). 1183 Comment
  RSA585407  Ulmus minor Tim S. Ross, Steve D. Boyd 1990-5-29 2711 -b Los Angeles Big Rock Springs: immediate vicinity of Big Rock Creek where crossed by Big Pines Highway (Valyermo Rd.). 1183 Comment
  RSA585410  Arabis pulchra var. pulchra Timothy S. Ross, Orlando Mistretta, Peter Fritsch 1990-5-29 2695 Los Angeles SE edge of Valyermo: along NE side of Valyermo Rd, then S of the road 1137 Comment
  RSA585419  Lessingia glandulifera var. glandulifera T. S. Ross, Steve Boyd 1990-5-29 2682 Los Angeles SE edge of Valyermo: along NE side of Valyermo Rd., then S of the road. 1143 Comment
  RSA585422  Cirsium occidentale var. californicum Timothy S. Ross, Steve Boyd 1990-5-31 2746 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA585428  Quercus wislizeni var. frutescens Tim S. Ross 1990-5-31 2722 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA585431  Cirsium occidentale var. californicum Timothy S. Ross, Steve Boyd 1990-5-31 2725 Los Angeles San Gabriel Mountains: Ridge descending northward from Mt Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA585432  Holodiscus microphyllus Tim S. Ross, Steve D. Boyd 1990-5-31 2726 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA585433  Garrya veatchii Tim S. Ross 1990-5-31 2727 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA585445  Phoradendron macrophyllum Tim S. Ross 1990-5-29 2675 Los Angeles Valyermo: at Valyermo Ranger District Office Angeles National Forest. 1134 Comment
  RSA585466  Prunus fasciculata var. fasciculata Tim S. Ross, Steve D. Boyd 1990-5-29 2681 Los Angeles SE edge of Valyermo: along NE side of Valyermo Rd, then S of the road 1137 Comment
  RSA585467  Ephedra nevadensis T. S. Ross, Steve Boyd 1990-5-29 2678 Los Angeles SE edge of Valyermo: along NE side of Valyermo Rd., then S of the road 1143 Comment
  RSA585536  Garrya veatchii Tim S. Ross 1992-4-21 6217 b Los Angeles Glendora Ridge Road: on the divide between San Dimas Canyon and Cattle Canyon, draining northwestward toward Peacock Canyon. 1121 Comment
  RSA585539  Ribes malvaceum var. viridifolium Tim S. Ross 1992-4-21 6214 Los Angeles Glendora ridge road: on the divide between San Dimas Canyon and Cattle Canyon, draining northward toward the latter. 1232 Comment
  RSA585540  Cercis occidentalis T. S. Ross 1992-4-21 6212 Los Angeles Glendora Ridge Road: on the divide between upper East Fork San Dimas Canyon and Lower Cow Canyon, draining toward the latter. 1229 Comment
  RSA585546  Arctostaphylos glandulosa subsp. mollis T. S. Ross 1992-4-21 6229 Los Angeles W and SW of Horse Canyon Saddle; along an old roadcut (ultimately joining Lower Monroe Road) that marks the NW boundary of the San Dimas Experimental Forest. 1042 Comment
  RSA585565  Fraxinus dipetala Tim S. Ross 1992-4-21 6218 Los Angeles Glendora Ridge Road: on the divide between San Dimas Canyon and Cattle Canyon, draining northwestward toward Peacock Canyon. 1121 Comment
  RSA585674  Juncus xiphioides Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3002 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  RSA585681  Aesculus californica Tim S. Ross 1990-6-11 3333 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon. 1255 Comment
  RSA585682  Robinia pseudoacacia T. S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-11 3332 Los Angeles Big Rock Creek: just above the confluence of Holcomb Canyon Creek, between Big Rock Creek Road and the mouth of Holcomb Canyon. 1255 Comment
  RSA585683  Garrya flavescens Tim S. Ross 1990-6-11 3331 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon. 1255 Comment
  RSA585690  Leymus triticoides Timothy S. Ross 1990-6-11 3014 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  RSA585696  Schedonorus arundinaceus Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3004 Los Angeles Big Rock Creek: just above the confluence of Holcomb Canyon Creek, between Big Rock Creek Road and the mouth of Holcomb Canyon. 1255 Comment
  RSA585819  Argyranthemum foeniculaceum Timothy S. Ross 1992-3-28 6055 Los Angeles Palos Verdes Peninsula: Palos Verdes Estates: Bluff Cove. Comment
  RSA585825  Phoradendron macrophyllum Tim S. Ross 1990-5-15 2514 Los Angeles Soledad Campground, Tujunga Ranger District, Angeles National Forest, ca 1.5 linear miles E of Agua Dulce Canyon. 622 Comment
  RSA585905  Melica stricta Timothy S. Ross 1990-5-23 2611 Los Angeles Mt. Gleason area: north-northwesterly ridge decending from Messenger Peak (6015 ft) near the headwaters of Mill canyon and Moody Canyon. San Gabriel Mountains. 1720 Comment
  RSA585908  Hulsea vestita subsp. gabrielensis Timothy S. Ross, S. D. Boyd 1990-5-23 2608 Los Angeles Mt. Gleason area: north-northwesterly ridge decending from Messenger Peak (6015 ft) near the headwaters of Mill canyon and Moody Canyon. San Gabriel Mountains. 1720 Comment
  RSA585911  Malacothamnus fremontii Tim S. Ross, Steve D. Boyd 1990-5-23 2604 Los Angeles Upper Mill Creek: 2.8 road miles S of Mill creek Summit along Angeles Forest Hwy, and ca 1440m NNW of Rabbit peak. 1198 Comment
  RSA585913  Penstemon centranthifolius Tim S. Ross 1990-5-17 2566 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  RSA585915  Arctostaphylos glandulosa subsp. mollis Tim Ross, Steve Boyd 1990-5-17 2567 Los Angeles Little Gleason forestry plantation: north side of Mt. Gleason Rd. about the east headwaters of Gleason Canyon, and about 2 (air) mi. Eof Mt Gleanson summit. 1683 Comment
  RSA585927  Solanum umbelliferum Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-8 2934 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats) 1250 Comment
  RSA585930  Mimulus palmeri Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-8 2937 Los Angeles Upper Big Tujunga Canyon: margin of Big Tujunga Creek and toes of the slopes immediately west (ca 1.6 air miles ENE of Barley Flats). 1213 Comment
  RSA585936  Cheilanthes covillei T. S. Ross, Steve Boyd 1990-5-23 2643 Los Angeles Mt. Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft), on the watershed divide between Mill Canyon and Moody Canyon (ca 625 m due W of Perspiration Point) 1298 Comment
  RSA585939  Garrya flavescens Tim S. Ross 1990-5-23 2640 Los Angeles Mt. Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft) on the watershed divide between Mill Canyon and Moody Canyon. 1308 Comment
  RSA585940  Achnatherum speciosum Timothy S. Ross, Steve Boyd 1990-5-23 2639 Los Angeles San Gabriel Mountains. Mt Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft), on the watershed divide between Mill Canyon and Moody Canyon 1524 Comment
  RSA585946  Castilleja gleasoni Tim S. Ross, S. D. Boyd 1990-5-23 2629 Los Angeles Mt Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft), on the watershed divide between Mill Canyon and Moody Canyon. 1456 Comment
  RSA585949  Tauschia arguta T. S. Ross, Steve D. Boyd 1990-5-23 2624 Los Angeles San Gabriel Mountains, Mt. Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft), near the headwaters of Mill Canyon and Moody Canyon. 1646 Comment
  RSA586539  Crassula connata T. S. Ross 1991-4-28 4760 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  RSA586540  Schismus arabicus Timothy S. Ross 1991-4-28 4743 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  RSA586546  Vulpia microstachys Timothy S. Ross 1991-4-28 4751 b Los Angeles Adobe Mountain: southwesterly extension of the mountain. 927 Comment
  RSA586618  Allium lacunosum var. davisiae Timothy S. Ross, Steve Boyd 1991-3-23 4250 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, west of Lovejoy Springs, (destroyed by development) 926 Comment
  RSA587073  Eschscholzia caespitosa Tim S. Ross 1993-5-16 7158 Los Angeles San Gabriel Mountains: Upper Monroe Road; ridgetop hillock on the divide between Persinger, Horse and Little Dalton canyons; ca 850-930 m NW of Horse Canyon Saddle. 1024 Comment
  RSA587272  Erysimum capitatum var. capitatum Timothy S. Ross, S. D. Boyd 1990-5-17 2555 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  RSA587273  Salix lasiolepis Tim S. Ross, Steve D. Boyd 1990-5-17 2554 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  RSA587284  Arctostaphylos glandulosa subsp. mollis T. S. Ross 1990-5-17 2561 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  RSA587287  Ceanothus integerrimus Tim S. Ross, S. D. Boyd 1990-5-17 2550 Los Angeles NorthFork Mill Creek: along Forest Service Road 3N27, 8.7 road miles N of Big Tujunga Canyon Rd. ca. 470m N of Plane Triagulation Point (4240 ft. ) 1287 Comment
  RSA587747  Allium fimbriatum var. fimbriatum Timothy S. Ross 1991-4-27 4721 Los Angeles Black Butte: easterly and northeasterly slopes 1082 Comment
  RSA587751  Gilia T. S. Ross 1991-4-27 4624 -a Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (and hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
  RSA587752  Cryptantha circumscissa T. S. Ross 1991-4-27 4623 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line 1183 Comment
  RSA587753  Poa secunda Timothy S. Ross 1991-4-27 4622 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking S to SSW), ca. 0.25-0.3 miles W of the county line 1183 Comment
  RSA587761  Salvia dorrii var. pilosa Tim S. Ross 1991-4-27 4647 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (and hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
  RSA588900  Filago californica Timothy S. Ross, Steve Boyd 1990-5-15 2541 Los Angeles Yerba Buena Ridge, Tujunga Ranger District, Angeles National Forest; ridgeline between Boulder Canyon drainage (on NW) and Big Tujunga Canyon (on NE). 1012 Comment
  RSA588909  Eriogonum davidsonii Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-8 2950 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats) 1250 Comment
  RSA588921  Cirsium occidentale var. californicum Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-8 2931 Los Angeles Upper Big Tujunga Canyon: ridge and slopes descending +/-ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  RSA588923  Ericameria pinifolia Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-8 2928 Los Angeles Upper Big Tujunga Canyon: ridge and slopes descending +/-ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  RSA589114  Thysanocarpus laciniatus Timothy S. Ross 1992-4-4 6100 Los Angeles Big Rock Creek: ca 0.25 mile S of Big Pines Highway, between the stream and Big Rock Creek Road 1207 Comment
  RSA589117  Nemophila menziesii var. menziesii Tim S. Ross 1992-4-4 6103 Los Angeles Big Rock Creek: ca 0.25 mile S of Big Pines Highway, between the stream and Big Rock Creek Road. 1207 Comment
  RSA589172  Cryptantha micrantha T. S. Ross 1991-4-28 4746 Los Angeles Adobe Mountain: Southwesterly extension of the mountain. 926 Comment
  RSA589180  Astragalus didymocarpus var. dispermus T. S. Ross 1991-4-28 4744 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  RSA589184  Lepidium flavum Timothy S. Ross 1991-4-28 4737 Los Angeles ca 940 m due W of the big butte of Three Sisters along shallow wash that runs NW toward Black Butte. Blading road heading N from Black Butte Basin Road x Avenue U [not on 1968 topo]., Running northward to the W of BBB Rd. for about 1.2 miles, then rejoining it NW of Three Sisters Buttes. 939 Comment
  RSA589195  Achnatherum hymenoides Timothy S. Ross 1991-4-27 4678 Los Angeles MOJAVE DESERT: Black Butte Basin Road at intersection with Avenue 'U', NW corner; 0.85 mile and ca 152? SW of Three Sisters (buttes). 959 Comment
  RSA589198  Camissonia campestris subsp. campestris Tim S. Ross 1991-4-27 4676 Los Angeles Mojave Desert: Black Butte Basin Road: 1.95 miles and ca 148 deg SW of Three Sisters buttes. 982 Comment
  RSA589204  Filago depressa Timothy S. Ross 1991-4-27 4668 Los Angeles Mojave Desert: Black Butte Basin Road; 2.75 miles and ca. 145 deg SW of Three Sisters [buttes]. 1003 Comment
  RSA589225  Castilleja foliolosa Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-8 2920 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats) 1250 Comment
  RSA589231  Bromus grandis Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2930 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  RSA589232  Dactylis glomerata Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2916 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  RSA589233  Elymus glaucus subsp. glaucus Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2915 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  RSA589241  Arctostaphylos glandulosa subsp. mollis T. S. Ross 1990-6-8 2905 Los Angeles Upper Big Tujunga Canyon: ridge and slopes descending +/-ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  RSA589242  Achnatherum coronatum Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2904 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  RSA589254  Bromus berteroanus Timothy S. Ross 1991-4-28 4761 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  RSA589264  Elymus elymoides subsp. elymoides Timothy S. Ross 1991-4-28 4734 Los Angeles Mojave Desert: Black Butte Basin Road at its intersection with Avenue 'U', NW corner: 0.85 mile and ca. 152? SW of Three Sisters [buttes]. 959 Comment
  RSA589267  Tropidocarpum gracile Timothy S. Ross 1991-4-28 4772 Los Angeles Adobe Mountain: Southwesterly extension of the mountain. 926 Comment
  RSA589275  Plagiobothrys arizonicus T. S. Ross 1991-4-28 4762 Los Angeles Adobe Mountain: Southwesterly extension of the mountain. 926 Comment
  RSA589316  Layia platyglossa subsp. campestris Timothy S. Ross 1995-5-21 8607 Los Angeles San Clemente Island: Terrace on W side of Chenetti Canyon and just N of Smal Canyon. alt 4300ft. SSE of Rest triangulation point (1336ft) and 540ft NNW of slope tri. pt (781ft) 271 Comment
  RSA589319  Hemizonia fasciculata Timothy S. Ross 1995-5-21 8613 Los Angeles San Clemente Island: Broad clay terrace W of Pyramid Cove and E of Horse Beach Canyon, alt 1350ft SSW of slope triangulation point (781ft) and 12580ft W of Guds tri pt (1336ft) 174 Comment
  RSA589323  Leptosiphon pygmaeus subsp. pygmaeus T. S. Ross, Gery Allan 1995-5-21 8617 Los Angeles San Clemente Island, slope between major terraces, between the main stem of Horse Beach Canyon on the W and the main westerly stem of Chenetti Canhon on the E,, 4790 ft NW of Slope triangulation point (781 ft) and 5070 ft WSW of 1134 ft triangulation point near Chenity. 316 Comment
  RSA589325  Nassella pulchra Timothy S. Ross, Gery Allan, Mark Elvin, Jennifer Stone 1995-5-19 8587 Los Angeles San Clemente Island: Northern tributary of Canchalagua Canyon, ca. 1070 ft NNE of the 1135-ft trangulation point., Near 32 51'03N 118 23'34W 256 Comment
  RSA589328  Cheilanthes newberryi T. S. Ross, Gery Allan, Mark Elvin, Jennifer Stone 1995-5-19 8583 Los Angeles San Clemente Island: Northern tributary of Canchalagua Canyon, 1020 ft NNE of the 1135-ft triangulation point. 274 Comment
  RSA589332  Lotus argophyllus subsp. ornithopus T. S. Ross 1995-5-20 8594 Los Angeles San Clemente Island. Southwesterly-trending ridge 1640 ft due S of Guse (888 ft) triangulation point. 145 Comment
  RSA589333  Lotus argophyllus subsp. ornithopus T. S. Ross 1995-5-20 8595 Los Angeles San Clemente Island. Southwesterly-trending ridge ca. 1640 ft due S of Guds (888-ft) triangulation point. 145 Comment
  RSA589508  Lupinus succulentus Tim S. Ross 1995-5-21 8603 Los Angeles San Clemente Island: Near head of Chenetti Canyon. just SW of the W prong of the trident formed at the top of the longest tributary; 1800 ft SSE of Rest triangulation point (1336 ft). 347 Comment
  RSA589511  Salvia columbariae Tim S. Ross, Gery Allan, Mark A. Elvin 1995-5-21 8599 Los Angeles San Clemente Island: Head of Chenetti Canyon, on the W prong of the trident formed at the top of the longest tributary; 1330 ft. SSE of Rest triangulation point (1336-ft). 358 Comment
  RSA589512  Aristida adscensionis Timothy S. Ross, Gery Allan, Mark Elvin 1995-5-21 8597 Los Angeles San Clemente Island: Head of Chenetti Canyon, on the W prong of the trident formed at the top of the longest tributary; 1330 ft. SSE of Rest triangulation point (1336-ft). 358 Comment
  RSA589513  Muhlenbergia appressa Timothy S. Ross, Allan Elvin 1995-5-21 8598 Los Angeles San Clemente Island: Head of Chenetti Canyon, on the W prong of the trident formed at the top of the longest tributary; 1330 ft. SSE of Rest triangulation point (1336-ft). 358 Comment
  RSA589777  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay 1994-8-3 8196 Los Angeles Santa Catalina Island. Upper Cherry Valley, W of the Isthmus. 128 Comment
  RSA589781  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8206 Los Angeles Santa Catalina Island. W end of island, N side of main east-west ridge system at head of canyon draining NNE to Parsons Landing. 421 Comment
  RSA589782  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8207 Los Angeles Santa Catalina Island. W end of island, N side of main east-west ridge system at head of canyon draining NNE to Parsons Landing. 402 Comment
  RSA589864  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8208 Los Angeles Santa Catalina Island. W end of island, N side of main east-west ridge system, at head of Bouchette Canyon draining NE to Johnson's Landing. 405 Comment
  RSA589867  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara 1994-8-4 8210 Los Angeles Santa Catalina Island, SW side of the island, 460m ENE of Carlos triangulation point (972 ft) and 2080m NNW of Quartz triangulation point (1252 ft). 213 Comment
  RSA590415  Plantago coronopus Tim S. Ross 1993-4-21 6848 Los Angeles Santa Catalina Island, SW part of the Island along major EW ridge between Carlos 992ft and Cactus Peak 1560ft. 2750ft WNW of Cactus Peak summit. 436 Comment
  RSA590418  Gilia angelensis T. S. Ross 1993-4-21 6850 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560 ft); slope and small ridges N of Cactus Peak summit. 427 Comment
  RSA590420  Lotus argophyllus subsp. ornithopus T. S. Ross 1993-4-21 6845 Los Angeles Santa Catalina Island: SW part of the island along major E-W ridge between ''Carlos'' and Cactus Peak; 500-1200 ft NNE to NE of ''Quartz'' 397 Comment
  RSA590424  Dodecatheon clevelandii subsp. insulare Tim S. Ross 1993-4-21 6841 Los Angeles Santa Catalina Island. SW part of the island along major E-W ridge between 'Carlos' (972ft) and Cactus Peak (1560ft); 500-1200 ft. NNE to NE of 'Quartz' (1252ft) 396 Comment
  RSA590429  Lotus hamatus T. S. Ross 1993-4-21 6834 Los Angeles Santa Catalina Island: SW part of the island along major E-W ridge between ''Carlos'' and Cactus Peak; 500-1200 ft NNE to NE of ''Quartz'' 397 Comment
  RSA590470  Pterostegia drymarioides Tim S. Ross 1993-4-21 6838 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); saddle on E side of peak. 448 Comment
  RSA590476  Clarkia unguiculata Tim S. Ross, W. Appleby 1993-5-20 7210 Los Angeles Western San Gabriel Mts: vicinity of Los Pinetos Spring. 890 Comment
  RSA590485  Sambucus mexicana T. S. Ross, Walter Appleby 1993-5-20 7211 Los Angeles Western San Gabriel Mts: vicinity of Los Pinetos Spring. 890 Comment
  RSA590506  Schoenoplectus maritimus Timothy S. Ross, Janet Takara, M. Gay 1993-4-20 6824 Los Angeles Santa Catalina Island: NE side of Little Harbor near the outlet of Little Springs Canyon drainage. 1 Comment
  RSA590509  Arctostaphylos catalinae T. S. Ross 1993-4-21 6859 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft) slope and small ridges N of Cactus Peak summit. 402 Comment
  RSA590514  Calystegia macrostegia subsp. intermedia T. S. Ross, Walter Appleby 1993-5-19 7177 Los Angeles Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle. 804 Comment
  RSA590517  Antirrhinum multiflorum Tim S. Ross, W. Appleby 1993-5-19 7176 Los Angeles Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle. 854 Comment
  RSA590548  Galium nuttallii subsp. insulare Tim S. Ross 1993-4-21 6860 Los Angeles Santa Catalina Island. SW part of the island along major E-W ridge between 'Carlos' (972 ft) and Cactus Peak (1560 ft); 500-1200 ft NNE to NE of 'Quartz' (1252 ft). 396 Comment
  RSA590556  Cistus creticus T. S. Ross, Walter Appleby 1993-5-20 7186 Los Angeles Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle. 951 Comment
  RSA590598  Fremontodendron californicum subsp. californicum Tim S. Ross, W. Appleby 1993-5-13 7130 Los Angeles Western San Gabriel Mountains: 600 meters, 346 NNW of Wilson Canyon Saddle, at the head of Whitney Canyon, about 100-120 meters WSW of the 3151-foot ridgetop knoll. 933 Comment
  RSA590600  Lotus grandiflorus var. grandiflorus T. S. Ross 1993-5-13 7136 Los Angeles forest service firebreak between Whitney Canyon and Los Pinetos spring along north-trending ridge 954 Comment
  RSA590606  Saltugilia splendens subsp. splendens T. S. Ross, S. D. Boyd, Peter Fritsch 1990-6-8 2966 Los Angeles San Gabriel Mountains: Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air-miles ENE of Barley Flats). 1249 Comment
  RSA590609  Filago californica Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-8 2939 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats) 1250 Comment
  RSA590610  Eriogonum hirtiflorum Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-8 2944 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats) 1250 Comment
  RSA590614  Schismus arabicus Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2913 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  RSA590659  Eriogonum davidsonii Tim S. Ross, S. D. Boyd 1990-6-1 2756 Los Angeles Moody Canyon (a.k.a. 'The Toilet Bowl of Death'): draining northward from Messenger Flats and Mt Gleason. Along Moody Canyon. 1341 Comment
  RSA590666  Eriogonum angulosum Tim S. Ross, S. D. Boyd 1990-5-29 2694 Los Angeles SE edge of Valyermo: along NE side of Valyermo Rd, then S of the road 1137 Comment
  RSA590669  Eriogonum cithariforme var. agninum Tim S. Ross, S. D. Boyd 1990-5-29 2669 Los Angeles Big Pines Hwy, mid-way between Caldwell Lake and Big Rock Springs, on the NE side of the knoll behind which Shoemaker Canyon turns to the NW. 1402 Comment
  RSA590706  Poa pratensis Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2962 Los Angeles Upper Big Tujunga Canyon: margin of Big Tujunga Creek and toes of the slopes immediately west (ca 1.6 air miles ENE of Barely Flats). 1213 Comment
  RSA590844  Phacelia curvipes Tim S. Ross, Steve Boyd 1990-5-17 2560 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  RSA590851  Lotus strigosus T. S. Ross 1990-5-15 2537 Los Angeles Yerba Buena Ridge; Tujunga Ranger Distruct, Angeles National Forest; peripheral ridge N from Yerba Buena Rd. dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N) 914 Comment
  RSA590852  Vulpia microstachys var. pauciflora Timothy S. Ross, Steve Boyd 1990-5-15 2532 Los Angeles Yerba Buena Ridge; Tujunga Ranger Distruct, Angeles National Forest; peripheral ridge N from Yerba Buena Rd. dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N) 914 Comment
  RSA594736  Crassula connata T. S. Ross 1995-4-7 8351 Los Angeles Old Ridge Route: 3.95 miles N of its junction with Lake Hughes Road, W of Castaic Lake on ridge dividing Marple Canyon from Grasshopper Canyon. 619 Comment
  RSA594739  Eriodictyon crassifolium var. nigrescens Tim S. Ross 1995-4-7 8352 Los Angeles Old Ridge Route: 3.95 miles N of its junction with Lake Hughes Road, W of Castaic Lake on ridge dividing Marple Canyon from Grasshopper Canyon. 619 Comment
  RSA594740  Astragalus trichopodus var. phoxus T. S. Ross 1995-4-7 8348 Los Angeles Old Ridge Route: 3.95 miles N of its junction with Lake Hughes Road, W of Castaic Lake on ridge dividing Marple Canyon from Grasshopper Canyon. 619 Comment
  RSA594746  Camissonia boothii subsp. decorticans Tim S. Ross 1995-4-26 8389 Los Angeles LIEBRE GULCH: NE side of the junction of Forest Service Road 8N05 (descending into the gulch from the Tumble Inn site) and 8N01 in the canyon bottom. 996 Comment
  RSA594749  Coreopsis bigelovii Timothy S. Ross 1995-4-26 8372 Los Angeles Old Ridge Route; ca 925 ft SSW of its intersection with 7N23 (which climbs the W slope of Liebre Mtn); southeasterly slope at the head of Salt Creek. 1186 Comment
  RSA594752  Ribes malvaceum Tim S. Ross 1995-4-7 8371 Los Angeles Old Ridge Route: 2.9 road miles NNW of its intersection with Templin Highway; ca. 1840 m WNW of the confluence of Castaic Creek and Fish Canyon. 927 Comment
  RSA594755  Rosmarinus officinalis Tim S. Ross 1995-4-7 8358 Los Angeles Templin Highway ca. 100-250 ft NE of its inter- section with the Old Ridge Route (near the headwaters of Violin Canyon). 866 Comment
  RSA594758  Cistus incanus subsp. creticus T. S. Ross 1995-4-7 8356 Los Angeles Templin Highway ca. 100-250 ft NE of its inter- section with the Old Ridge Route (near the headwaters of Violin Canyon). 866 Comment
  RSA594880  Fraxinus dipetala Tim S. Ross 1995-4-26 8387 Los Angeles LIEBRE GULCH: along Forest Service Road 8N05 (descending into the gulch from the Tumble Inn site) ca 90 feet ESE of its junction with 8N01 in the canyon bottom 997 Comment
  RSA594955  Linanthus parryae T. S. Ross 1995-4-26 8395 Los Angeles Head of Liebre Gulch drainage along Forest Service Road 8N05, between Sandberg and Bald Mountain; ca 1740 feet W of Sandberg BM (4164 ft). 1204 Comment
  RSA594958  Lasthenia californica Timothy S. Ross 1995-4-26 8393 Los Angeles Head of Liebre Gulch drainage along Forest Service Road 8N05, between Sandberg and Bald Mountain; ca 1740 feet W of Sandberg BM (4164 ft) 1204 Comment
  RSA594965  Chaenactis xantiana Timothy S. Ross 1995-4-26 8378 A Los Angeles Southwesterly slope of Liebre Mountain along Forest Service Road 7N23; ca 3900 ft SW of Sandberg Triangulation Point (5345 ft). 1439 Comment
  RSA594974  Caulanthus coulteri var. coulteri Timothy S. Ross 1995-4-26 8382 Los Angeles West end of LIEBRE MOUNTAIN along Forest Service Road 7N23 ca 0.9 road-mile NE of its junction with the Old Ridge Route; ca 4550 ft SSW of Sandberg Triangulation Point (5345 ft). 1341 Comment
  RSA594977  Quercus berberidifolia Tim S. Ross 1995-4-7 8369 Los Angeles Old Ridge Route': 2.9 road miles NNW of its intersection with Templin Highway; ca. 1840 m WNW of the confluence of Castaic Creek and Fish Canyon. 927 Comment
Read comments Jul 11 2016
  RSA595450  Adenostoma fasciculatum var. fasciculatum Tim S. Ross, Victor W. Steinmann 1995-5-8 8572 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  RSA595459  Phacelia distans Tim S. Ross, Victor W. Steinmann 1995-5-8 8562 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  RSA595460  Cnicus benedictus Timothy S. Ross, Victor W. Steinmann 1995-5-8 8563 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  RSA595651  Plagiobothrys arizonicus T. S. Ross, Victor W. Steinmann 1995-5-8 8573 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  RSA595652  Bromus rubens Timothy S. Ross, Victor W. Steinmann 1995-5-8 8556 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  RSA595653  Bromus tectorum Timothy S. Ross, Victor W. Steinmann 1995-5-8 8554 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  RSA595676  Calystegia malacophylla subsp. pedicellata T. S. Ross, Victor W. Steinmann 1995-5-8 8545 Los Angeles Lower Spunky Canyon: easterly slope at the effluence of the canyon into Bouquet Reservoir. 916 Comment
  RSA595679  Lotus strigosus var. strigosus T. S. Ross, Victor W. Steinmann 1995-5-8 8558 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  RSA595681  Pectocarya penicillata T. S. Ross, Victor W. Steinmann 1995-5-8 8567 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  RSA595683  Lathyrus vestitus subsp. laevicarpus T. S. Ross, Victor W. Steinmann 1995-5-8 8549 Los Angeles First unnamed canyon E of Spunky Canyon, N side of Bouquet Reservoir 939 Comment
  RSA595869  Ranunculus hebecarpus Tim S. Ross, Victor W. Steinmann 1995-5-8 8539 Los Angeles Bouquet Canyon: along Bouquet Canyon Road near Bouquet Campground No. 3. 735 Comment
  RSA595871  Filago californica Timothy S. Ross, Victor W. Steinmann 1995-5-8 8542 Los Angeles Bouquet Canyon: along Bouquet Canyon Road near Bouquet Campground No. 3. 735 Comment
  RSA595872  Astragalus gambelianus T. S. Ross, Victor W. Steinmann 1995-5-8 8538 Los Angeles Bouquet Canyon: along Bouquet Canyon Road near Bouquet Campground No. 3. 735 Comment
  RSA595873  Microseris lindleyi Timothy S. Ross, Victor W. Steinmann 1995-5-8 8543 Los Angeles Bouquet Canyon: along Bouquet Canyon Road near Bouquet Campground No. 3. 735 Comment
  RSA596009  Mimulus brevipes Tim S. Ross, J. Mark Porter 1995-5-4 8426 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA596014  Verbena lasiostachys var. scabrida Tim S. Ross, J. Mark Porter 1995-5-4 8456 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA596017  Phacelia cicutaria var. hispida Tim S. Ross, J. Mark Porter 1995-5-4 8408 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA596021  Orthocarpus purpurascens var. purpurascens Tim S. Ross, J. Mark Porter 1995-5-4 8438 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA596022  Lupinus sparsiflorus subsp. sparsiflorus T. S. Ross, J. Mark Porter 1995-5-4 8437 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA596023  Chamaesyce albomarginata T. S. Ross, J. Mark Porter 1995-5-4 8436 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA596035  Cucurbita foetidissima T. S. Ross, J. Mark Porter 1995-5-4 8453 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA596038  Eucrypta chrysanthemifolia var. chrysanthemifolia Tim S. Ross, J. Mark Porter 1995-5-4 8406 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA596045  Castilleja foliolosa Tim S. Ross, J. Mark Porter 1995-5-4 8411 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA596048  Delphinium parryi subsp. parryi Tim S. Ross, J. Mark Porter 1995-5-4 8414 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA596050  Juniperus californica T. S. Ross, J. Mark Porter 1995-5-4 8417 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road 555 Comment
  RSA596056  Phacelia minor Tim S. Ross, J. Mark Porter 1995-5-4 8461 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA596059  Salvia columbariae Tim S. Ross, J. Mark Porter 1995-5-4 8425 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA596060  Cercocarpus betuloides var. betuloides Tim S. Ross, J. Mark Porter 1995-5-4 8429 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA596084  Trifolium microcephalum T. S. Ross, S. D. Boyd 1995-6-28 8640 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  RSA596086  Allophyllum divaricatum T. S. Ross, S. D. Boyd 1995-6-28 8642 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  RSA596087  Scutellaria siphocampyloides Tim S. Ross, Steve D. Boyd 1995-6-28 8631 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  RSA596128  Nemacladus sigmoideus T. S. Ross, S. D. Boyd 1995-6-29 8658 Los Angeles Near west summit of Liebre Mountain. 1707 Comment
  RSA596131  Agrostis exarata Timothy S. Ross, Steve Boyd 1995-6-28 8633 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  RSA596132  Mimulus floribundus Tim S. Ross, S. D. Boyd 1995-6-28 8632 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  RSA596133  Leymus condensatus Timothy S. Ross, Steve Boyd 1995-6-28 8654 -A Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  RSA596138  Bromus carinatus Timothy S. Ross, Steve Boyd 1995-6-29 8657 Los Angeles Near west summit of LIEBRE MOUNTAIN 1707 Comment
  RSA596141  Keckiella ternata subsp. ternata Tim S. Ross, Steve D. Boyd 1995-6-28 8655 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  RSA596142  Rhamnus ilicifolia Tim S. Ross, S. D. Boyd 1995-6-28 8645 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  RSA596214  Eriogonum baileyi var. baileyi Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-11 3384 Los Angeles San Gabriel Mountains, Little Rock Creek: Joshua tree Campground on SW side of Little Rock Creek reservoir 997 Comment
  RSA596221  Polypogon viridis Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3400 Los Angeles San Gabriel Mountains, Little Rock Creek: on SW side of Little Rock Creek reservoir 997 Comment
  RSA596231  Stanleya pinnata var. pinnata Timothy S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-11 3389 Los Angeles San Gabriel Mountains, Little Rock Creek: Joshua tree Campground on SW side of Little Rock Creek reservoir 997 Comment
  RSA596309  Caulanthus amplexicaulis var. amplexicaulis Timothy S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-11 3371 Los Angeles Big Rock Creek Canyon, along stream and immediately adjacent flats and slopes; ca 130m N to 250m NNW of Icy Springs. 1713 Comment
  RSA596314  Rhamnus tomentella subsp. cuspidata Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-11 3367 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin). 1732 Comment
  RSA596338  Populus fremontii subsp. fremontii Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 3377 Los Angeles Big Rock Creek Canyon, along stream and immediately adjacent flats and slopes; ca 130m N to 250m NNW of Icy Springs. 1713 Comment
  RSA596373  Lilium humboldtii subsp. ocellatum Timothy S. Ross, Steve Boyd 1995-6-28 8620 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  RSA596378  Elymus elymoides subsp. elymoides Timothy S. Ross, Steve Boyd 1995-6-29 8660 Los Angeles Near west summit of LIEBRE MOUNTAIN 1707 Comment
  RSA596384  Trifolium obtusiflorum T. S. Ross, S. D. Boyd 1995-6-28 8635 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  RSA596414  Syringa vulgaris Tim S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3351 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin). 1732 Comment
  RSA596417  Achnatherum occidentale subsp. occidentale Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3354 Los Angeles Big Rock Creek canyon. 120m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin) 1731 Comment
  RSA596421  Elymus elymoides subsp. californicus Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3358 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin). 1732 Comment
  RSA596422  Castilleja applegatei subsp. martinii Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 3364 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin). 1732 Comment
  RSA596800  Cirsium occidentale var. occidentale Timothy S. Ross, J. Mark Porter 1995-5-4 8508 Los Angeles Texas Canyon: ca 2.8 road miles NE of Bouquet Canyon Road. 610 Comment
  RSA596806  Ailanthus altissima Tim S. Ross, J. Mark Porter 1995-5-4 8505 Los Angeles Texas Canyon: at the confluence of Mystic Canyon: ca 3.05 road miles NE of Bouquet Canyon Road. 610 Comment
  RSA596809  Hypochaeris glabra Timothy S. Ross, J. Mark Porter 1995-5-4 8483 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA596814  Rumex crispus Tim S. Ross, J. Mark Porter 1995-5-4 8470 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA596821  Salsola tragus T. S. Ross, J. Mark Porter 1995-5-4 8496 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA596822  Carex alma Timothy S. Ross, J. Mark Porter 1995-5-4 8486 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA596823  Galium aparine Tim S. Ross, J. Mark Porter 1995-5-4 8495 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA596832  Emmenanthe penduliflora Tim S. Ross, J. Mark Porter 1995-5-4 8468 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA596835  Filago gallica Timothy S. Ross, J. Mark Porter 1995-5-4 8490 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA596838  Camissonia ignota Tim S. Ross, J. Mark Porter 1995-5-4 8493 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA596884  Clarkia epilobioides Tim S. Ross, J. Mark Porter 1995-5-4 8517 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA596887  Cryptantha microstachys T. S. Ross, J. Mark Porter 1995-5-4 8519 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA596915  Lasthenia californica Timothy S. Ross, J. Mark Porter 1995-5-4 8525 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA596918  Matricaria matricarioides Timothy S. Ross, J. Mark Porter 1995-5-4 8479 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA596920  Linanthus dichotomus T. S. Ross, J. Mark Porter 1995-5-4 8523 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA597007  Lupinus concinnus T. S. Ross 1990-6-25 3902 Los Angeles ridgetop to the NW of Crystal Lake (ridge descending SSW from Mt. Islip) 2072 Comment
  RSA597010  Phacelia ramosissima var. latifolia Tim S. Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3805 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  RSA597014  Mimulus aurantiacus var. pubescens Tim S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3811 Los Angeles Easterly and southeasterly slopes to the SW of Crystal Lake. 1726 Comment
  RSA597016  Castilleja applegatei subsp. martinii Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3809 Los Angeles Ridgetop to the W of Crystal Lake [ridge descending SSW from Mt. Islip] 1866 Comment
  RSA597019  Rumex salicifolius var. salicifolius Tim S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3814 Los Angeles Vicinity of Crystal Lake 1677 Comment
  RSA597025  Cistanthe monosperma Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3820 Los Angeles Ridgetop to the NNW of Crystal Lake (ridge descending SSW from Mt. Islip) 2232 Comment
  RSA597028  Carex multicaulis Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3881 Los Angeles San Gabriel Mountains. Natural depression SSW of Crystal Lake 1692 Comment
  RSA597031  Phacelia minor Tim S. Ross 1990-6-25 3845 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  RSA597032  Cuscuta californica var. californica T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3846 Los Angeles Ridgetop to the W of Crystal Lake [ridge descending SSW from Mt. Islip] 1866 Comment
  RSA597033  Keckiella ternata subsp. ternata Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3847 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  RSA597042  Ericameria pinifolia Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3843 Los Angeles Ridgetop to the W of Crystal Lake (ridge descending SSW from Mt. Islip) 1884 Comment
  RSA597043  Rorippa curvipes var. truncata Timothy S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3826 Los Angeles Vicinity of Crystal Lake. 1677 Comment
  RSA597121  Garrya flavescens Tim S. Ross 1990-6-22 3713 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  RSA597122  Dicentra chrysantha Tim S. Ross 1990-6-22 3714 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  RSA597123  Lupinus excubitus var. austromontanus T. S. Ross 1990-6-22 3715 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon 1939 Comment
  RSA597187  Schedonorus arundinaceus Timothy S. Ross, Peter W. Fritsch, Steve Boyd, Orlando Mistretta 1990-6-22 3735 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  RSA597191  Achnatherum speciosum Timothy S. Ross, Peter W. Fritsch, Steve Boyd, Orlando Mistretta 1990-6-22 3731 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  RSA597193  Malacothamnus fremontii Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-22 3733 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone. 1707 Comment
  RSA597264  Viola purpurea subsp. mohavensis Tim S. Ross, Steve D. Boyd 1990-6-18 3523 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. 1744 Comment
  RSA597267  Tauschia parishii T. S. Ross, Steve D. Boyd 1990-6-18 3525 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. San Gabriel Mountains. 1744 Comment
  RSA597286  Gilia modocensis T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-22 3740 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  RSA597373  Malacothamnus fremontii Tim S. Ross, Peter Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3702 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  RSA597375  Melica stricta var. albicaulis Timothy S. Ross, Peter W. Fritsch, Steve Boyd, Orlando Mistretta 1990-6-22 3704 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  RSA597378  Penstemon rostriflorus Tim S. Ross, Peter Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3706 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  RSA597380  Tetradymia canescens Timothy S. Ross, Peter W. Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3705 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  RSA597386  Quercus chrysolepis Tim S. Ross 1990-6-18 3504 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. 1744 Comment
  RSA597389  Argemone munita Tim S. Ross, S. D. Boyd 1990-6-18 3507 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. 1744 Comment
  RSA597391  Malacothrix glabrata Timothy S. Ross, S. D. Boyd 1990-6-18 3509 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. San Gabriel Mountains. 1744 Comment
  RSA597392  Pinus monophylla T. S. Ross, Steve Boyd 1990-6-18 3510 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages; 1744 Comment
  RSA597393  Allium fimbriatum var. fimbriatum Timothy S. Ross, Steve Boyd 1990-6-18 3497 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. 1744 Comment
  RSA597404  Antirrhinum coulterianum Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3770 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  RSA597454  Ribes malvaceum var. viridifolium Tim S. Ross, Peter Fritsch 1990-6-20 3646 Los Angeles Rincon-Red Box Rd (2N24) 2.6 miles below pine Mtn junction; 80 degrees ENE, ca 1720 meters distant from Pine Mtn [4539 ] 1032 Comment
  RSA597565  Lotus procumbens var. procumbens T. S. Ross 1990-6-22 3757 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  RSA597568  Ericameria linearifolia Timothy S. Ross, Peter W. Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3760 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  RSA597736  Ceratophyllum demersum T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3792 Los Angeles Vicinity of Crystal Lake 1677 Comment
  RSA597740  Eriogonum saxatile Tim S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3796 Los Angeles San Gabriel Mountains: low saddle between Crystal Lake and the depression to its SSW. 1704 Comment
  RSA597746  Lomatium mohavense subsp. mohavense T. S. Ross, Steve D. Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-22 3749 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  RSA598081  Silene lemmonii Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3776 Los Angeles Easterly and southeasterly slopes to the SW of Crystal Lake. 1726 Comment
  RSA598082  Tauschia arguta T. S. Ross, Steve D. Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3777 Los Angeles Easterly and southeasterly slopes to the SW of Crystal Lake. 1726 Comment
  RSA598083  Phacelia longipes Tim S. Ross 1990-6-25 3778 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  RSA598085  Schismus arabicus Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3780 Los Angeles Vicinity of Crystal Lake 1677 Comment
  RSA598090  Bromus grandis Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3787 Los Angeles San Gabriel Mountains: low saddle between Crystal Lake and the depression to its SSW. 1704 Comment
  RSA611616  Eriodictyon trichocalyx Damian Ross 1997-3-29 17 Los Angeles Bernard Biological Field Station, Claremont Colleges. NE side of Phake Lake. 412 Comment
  RSA612178  Croton californicus Damian Ross 1997-4-19 34 Los Angeles Bernard Biological Field Station, Claremont Colleges. W of Infirmary Rd. about 30 feet off the road, about halfway up. 412 Comment
  RSA612184  Prunus ilicifolia Damian Ross 1997-3-29 20 Los Angeles Bernard Biological Field Station, Claremont Colleges. NE side of Phake Lake. 412 Comment
  RSA612653  Erodium cicutarium Damian Ross 1997-3-8 2 Los Angeles Bernard Biological Field Station Claremont Colleges. Just west of Infirmary Rd., about 1/2 distance between Foothill Blvd. and former Infirmary building (single patch). 412 Comment
  RSA613098  Nicotiana glauca Damian Ross 1997-4-4 24 Los Angeles Bernard Biological Field Station Claremont Colleges. E of Infirmary Rd. halfway between Infirmary Rd. and Mills Ave. 412 Comment
  RSA626772  Arctostaphylos glandulosa subsp. mollis T. S. Ross, W. Appleby 1993-5-19 7169 Los Angeles Western San Gabriel Mtns: ca.80m S of Wilson Canyon Saddle along old loop road 951 Comment
  RSA629079  Arctostaphylos T. S. Ross, Steve Boyd 1994-6-23 8034 Los Angeles Sawmill Mountain: 5514-ft summit and immediately adjacent slopes. 1665 Comment
  SBBG101141  Trifolium palmeri T. Ross 1992-4-14 6185 Los Angeles ca. 20-40 m ENE of intersection of the new Lemon Tank Rd and main N-S island access rd 339 Comment
  SBBG101145  Calystegia macrostegia subsp. amplissima T. Ross 1992-4-14 6178 Los Angeles ca. 230 m distant west from where Nanny Cyn drainage meets the sea 74 Comment
  SBBG105081  Schoenoplectus pungens var. badius T. Ross, M. Gay, J. Takara 1993-4-20 6825 Los Angeles N side of Little Harbor near outlet of Little Springs Cyn 2 Comment
  SBBG105551  Quercus kelloggii T. Ross, S. Boyd 1994-9-21 8297 Los Angeles vicinity of West Summit; Liebre Mtn Comment
  SBBG105555  Corethrogyne filaginifolia T. Ross, S. Boyd 1994-9-21 8283 Los Angeles vicinity of West Summit; Liebre Mtn, ca. 85 m S of intersection of sections 3,4,9, and 10 1676 Comment
  SBBG105559  Melica imperfecta T. Ross, S. Boyd 1994-5-25 7936 Los Angeles Necktie Basin, W of Warm Springs Mtn summit 1060 Comment
  SBBG105563  Hulsea heterochroma T. Ross, S. Boyd 1994-6-23 8042 Los Angeles Sawmill Mtn, Burnt Pk 1664 Comment
  SBBG108410  Trifolium palmeri T. Ross 1995-5-21 8602 Los Angeles near head of Chenetti Cyn, just SW of W prong of the trident formed at the top of the longest tributary; 1800' SSE of Rest Triangulation Pt (1336') 347 Comment
  SBBG108418  Nassella pulchra T. Ross, G. Allan, M. Elvin, J. Stone 1995-5-19 8587 Los Angeles northern tributary of Canchalagua Cyn, ca. 1070 ft NNE of the 1135 ft Triangulation Pt 256 Comment
  SBBG108419  Daucus pusillus T. Ross, G. Allan, M. Elvin, J. Stone 1995-5-19 8586 Los Angeles northern tributary of Canchalagua Cyn, ca. 1070 ft NNE of the 1135 ft Triangulation Pt Comment
  SBBG108421  Stebbinsoseris heterocarpa T. Ross, G. Allan, M. Elvin, J. Stone 1995-5-19 8588 a Los Angeles northern tributary of Canchalagua Cyn, ca. 1070 ft NNE of the 1135 ft Triangulation Pt 256 Comment
  SBBG108422  Gastridium phleoides T. Ross, G. Allan, M. Elvin, J. Stone 1995-5-19 8579 Los Angeles head of northern tributary of Canchalagua Cyn, 400' NNE of the 1135ft Triangulation Pt 326 Comment
  SBBG108427  Croton setiger T. Ross 1995-5-21 8601 Los Angeles near head of Chenetti Cyn, just SW of W prong of the trident formed at the top of the longest tributary; 1800' SSE of Rest Triangulation Pt (1336') 347 Comment
  SBBG108428  Aristida adscensionis T. Ross, G. Allan, M. Elvin, J. Stone 1995-5-21 8597 Los Angeles near head of Chenetti Cyn, just SW of W prong of the trident formed at the top of the longest tributary; 1800' SSE of Rest Triangulation Pt (1336') Comment
  SBBG96787  Atriplex lentiformis subsp. breweri T. Ross, S. Boyd 1990-6-6 2887 Los Angeles Piru Ponds 644 Comment
  SBBG96792  Galium angustifolium subsp. angustifolium T. Ross, S. Boyd 1990-6-6 2821 a Los Angeles Green Valley Pasture, in San Francisquito Cyn Comment
  SBBG96795  Trichostema lanatum T. Ross, S. Boyd 1990-6-6 2834 Los Angeles Green Valley Pasture (San Francisquito Cyn) 926 Comment
  SBBG96870  Pectocarya linearis subsp. ferocula T. Ross 1991-3-24 4312 Los Angeles Whittier Hills (Puente Hills, pro parte) 310 Comment
  SBBG98048  Trifolium palmeri T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5230 a Los Angeles 1650 ft WNW of Guds, graded by the Navy to form a "pad" 201 Comment
  SBBG98054  Logfia filaginoides T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5216 Los Angeles 1300 ft NNW of Guds (888') marker 240 Comment
  SBBG98057  Plantago ovata var. insularis T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5207 Los Angeles 1300 ft NNW of Guds (888') marker 240 Comment
  SBBG98064  Lupinus guadalupensis T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5149 Los Angeles beginning of Larkspur Cyn drainage, 1600 ft SE of Benchmark 924 at E end of the old airfield landing strip 249 Comment
  SBBG98075  Pseudognaphalium californicum T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5199 Los Angeles 1300 ft NNW of Guds (888') marker 240 Comment
  SBBG98080  Deschampsia danthonioides T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5185 Los Angeles Twin Dams, pond W of the two earthen dams 473 Comment
  SBBG98086  Calandrinia menziesii T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5122 Los Angeles 1400 ft SSE of Jack (not Jack Pt), 1350 ft NW of mouth of Larkspur Cyn 144 Comment
  SBBG98089  Solanum douglasii T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5124 Los Angeles 1400 ft SSE of Jack (not Jack Pt), 1350 ft NW of mouth of Larkspur Cyn 144 Comment
  SBBG98091  Gilia nevinii T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5128 Los Angeles 1400 ft SSE of Jack (not Jack Pt), 1350 ft NW of mouth of Larkspur Cyn 144 Comment
  SBBG98093  Acmispon argophyllus var. adsurgens T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5213 Los Angeles SE portion of island, 800' NNW of Guds (888') marker 231 Comment
  SBBG98416  Pterostegia drymarioides T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5276 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll 304 Comment
  SBBG98421  Spergularia macrotheca var. macrotheca T. Ross 1991-5-22 5443 Los Angeles Spray Pt, W side of island ca. 5300 ft N of Eel Pt 9 Comment
  SBBG98425  Acmispon argophyllus var. argenteus T. Ross 1991-5-22 5454 Los Angeles Spray Pt, ca. 5300 ft N of Eel Pt 9 Comment
  SBBG98428  Parietaria hespera var. californica T. Ross 1991-5-23 5480 Los Angeles mouth of Tota Cyn 6 Comment
  SBBG98431  Thysanocarpus laciniatus T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5295 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll; upper portion of drainage 274 Comment
  SBBG98432  Diplacus parviflorus T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5293 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll; upper portion of drainage 274 Comment
  SBBG98433  Logfia filaginoides T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5244 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll 388 Comment
  SBBG98441  Extriplex californica T. Ross 1991-5-22 5440 Los Angeles Spray Pt, W side of island ca. 5300 ft N of Eel Pt 5 Comment
  SBBG98442  Artemisia californica T. Ross 1991-5-23 5501 Los Angeles lower Tota Cyn 88 Comment
  SBBG98443  Pseudognaphalium luteoalbum T. Ross 1991-5-23 5503 Los Angeles lower Tota Cyn 35 Comment
  SBBG98454  Ricinus communis T. Ross 1991-5-22 5433 Los Angeles lower Wilson Cove Cyn, just W of the dock activities 12 Comment
  SBBG98464  Piptatherum miliaceum T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5049 Los Angeles ca. 650 ft SE of the air terminal, new airfield, N end of island 64 Comment
  SBBG98467  Hazardia cana T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5270 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll; upper portion of drainage 312 Comment
  SBBG98475  Poa secunda subsp. secunda T. Ross 1991-5-21 5392 Los Angeles upper E branch of Box Cyn 463 Comment
  SBBG98478  Delphinium variegatum subsp. thornei T. Ross 1991-5-21 5402 Los Angeles E fork of Box Cyn near its jct with the W fork 451 Comment
  SBBG98480  Silene antirrhina T. Ross 1991-5-21 5381 Los Angeles San Clemente Island Comment
  SBBG98486  Eriogonum grande var. grande T. Ross 1991-5-22 5467 Los Angeles Spray Cyn, short cyn 2400 ft ENE of Spray (which is 5200' N of Eel Pt) 79 Comment
  SBBG98489  Phyllospadix torreyi T. Ross 1991-5-22 5438 Los Angeles Spray Pt, W side of island ca. 5300 ft N of Eel Pt 0 Comment
  SBBG98491  Deinandra clementina T. Ross 1991-5-23 5482 Los Angeles lower Tota Cyn, E escarpment 36 Comment
  SBBG98492  Acmispon argophyllus var. argenteus T. Ross 1991-5-23 5483 Los Angeles lower Tota Cyn, E escarpment 39 Comment
  SBBG98502  Navarretia hamata T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5252 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll; upper portion of drainage 385 Comment
  SBBG98508  Festuca bromoides T. Ross 1991-5-21 5389 Los Angeles upper E branch of Box Cyn 472 Comment
  SBBG98511  Mirabilis californica T. Ross 1991-5-21 5404 Los Angeles E fork of Box Cyn near its jct with the W fork 451 Comment
  SBBG98512  Lathyrus vestitus var. vestitus T. Ross 1991-5-21 5406 Los Angeles E fork of Box Cyn near its jct with the W fork 451 Comment
  SBBG98515  Perityle emoryi T. Ross 1991-5-23 5486 Los Angeles lower Tota Cyn, E escarpment 44 Comment
  SBBG98524  Carex tumulicola T. Ross 1991-5-21 5390 Los Angeles upper E branch of Box Cyn 463 Comment
  SBBG98526  Viola pedunculata T. Ross 1991-5-21 5391 Los Angeles upper E branch of Box Cyn Comment
  SBBG98527  Muhlenbergia appressa T. Ross 1991-5-21 5382 Los Angeles upper E branch of Box Cyn 472 Comment
  SBBG98536  Pholistoma auritum T. Ross 1991-5-21 5412 Los Angeles upper reaches of Box Cyn, SW side of island 411 Comment
  SBBG98539  Bromus diandrus T. Ross 1991-5-21 5424 Los Angeles upper reaches of Box Cyn, SW side of island 365 Comment
  SBBG98540  Amsinckia intermedia T. Ross 1991-5-21 5425 Los Angeles upper reaches of Box Cyn, SW side of island 365 Comment
  SBBG98546  Nassella pulchra T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5340 Los Angeles between Box and Horse Cyns 484 Comment
  SBBG98549  Brodiaea kinkiensis T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5317 Los Angeles between Box and Horse Cyns 486 Comment
  SBBG98568  Rhamnus ilicifolia T. Ross, A. Ross 1991-3-7 4154 Los Angeles Elephant Hill, western Pomona 341 Comment
  SBBG98574  Asclepias fascicularis T. Ross, A. Ross 1991-6-3 5522 Los Angeles SW base of Elephant Hill, W Pomona 231 Comment
  SBBG98599  Rhus integrifolia T. Ross 1999-3-9 4183 Los Angeles Whittier Hills (Puente Hills); SE side of ridgetop knoll, head of Oak Cyn 368 Comment
  SBBG98605  Diplacus longiflorus T. and A. Ross 1991-3-7 4158 Los Angeles Elephant Hill; SW base of hill 251 Comment
  SBBG98608  Calystegia macrostegia subsp. intermedia T. Ross 1991-4-8 4466 Los Angeles Elephant Hill, western Pomona 228 Comment
  SBBG98611  Wyethia ovata T. Ross 1991-8-16 5430 Los Angeles Horse Flats 1719 Comment
  SBBG98612  Schinus molle T. Ross 1991-4-21 4548 Los Angeles ridgetop between Turnbull and Sycamore Cyns; Whittier Hills (Puente Hills) 320 Comment
  SBBG98627  Acmispon argophyllus var. argenteus T. Ross 1991-5-20 5350 Los Angeles un-named knoll ca. 5500' S of Wilson Cove settlement; 2500' NW of the 750' Benchmark 185 Comment
  SBBG98630  Nuttallanthus texanus T. Ross 1991-5-20 5343 Los Angeles between Box and Horse Cyns 484 Comment
  SBBG98636  Spergularia macrotheca var. macrotheca T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5101 Los Angeles North Head; WNW of the new landing field 15 Comment
  SBBG98639  Lepidium lasiocarpum var. lasiocarpum T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5085 Los Angeles coastal terrace at West Cove, SW of new landing field 6 Comment
  SBBG98640  Suaeda taxifolia T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5090 Los Angeles coastal terrace at West Cove, SW of new landing field 6 Comment
  SBBG98646  Deinandra clementina T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5094 Los Angeles North Head, WNW of the new landing field 15 Comment
  SBBG98647  Extriplex californica T. Ross 1991-5-20 5352 Los Angeles ca. 5500 ft S of Wilson Cove settlement; 2500' NW of the 750' Benchmark 185 Comment
  SBBG98655  Chenopodium californicum T. Ross 1991-5-20 5353 Los Angeles un-named knoll ca. 5500' S of Wilson Cove settlement; 2500' NW of the 750' Benchmark 185 Comment
  SBBG98658  Lupinus truncatus T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5273 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll 304 Comment
  SBBG98665  Amblyopappus pusillus T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5197 Los Angeles 1300 ft NNW of Guds (888') marker 240 Comment
  SBBG98668  Daucus pusillus T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5188 Los Angeles Twin Dams, pond W of the two earthen dams 473 Comment
  SBBG98674  Camissoniopsis guadalupensis subsp. clementina T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5081 Los Angeles coastal terrace at West Cove, SW of new landing field 6 Comment
  SBBG98677  Chenopodium murale T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5065 Los Angeles lower Wilson Cove Cyn; draw SW of and above pier operations 15 Comment
  SBBG98682  Plagiobothrys collinus var. gracilis T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5176 Los Angeles 1100 ft SSW of Twin Dams, 1450 ft NNW of Boulder marker (1859) 490 Comment
  SBBG98683  Cryptantha intermedia T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5172 Los Angeles 1100 ft SSW of Twin Dams, 1450 ft NNW of Boulder marker (1859) 490 Comment
  SBBG98708  Parietaria hespera var. californica T. Ross 1991-5-19 5280 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll 304 Comment
  SBBG98739  Lobelia dunnii var. serrata T. and A. Ross 1989-9-20 Los Angeles San Antonio Cyn, near pond W of Spring Hill in the cyn below Baldy Rd 975 Comment
  SD215357  Stipa speciosa Timothy S Ross, Peter W Fritsch et al 1990-6-22 3710 Los Angeles San Gabriel Mountains: Pinyon Ridge: Eastern half of the ridge directly North of Fenner Canyon. 1938 Comment
  SD215446  Stanleya pinnata Timothy S. Ross, Steve Boyd and Peter W. Fritsch 1990-6-11 3389 Los Angeles Little Rock Creek; Joshua Tree Campground on the southwest side of Little Rock Reservoir. 997 Comment
  SD215477  Elaeagnus angustifolia Timothy S. Ross, Steve Boyd 1990-6-18 3496 Los Angeles Big Pines Highway: Roadside circa 900meter East-southeast from Jackson Lake, just on the West side of upper Mescal Creek drainage. 1876 Comment
  SD215608  Leptosiphon breviculus Timothy S. Ross, Steve Boyd, et al. 1990-6-25 3798 Los Angeles Vicinity of Crystal Lake. 1676 Comment
  SD215615  Eriogonum davidsonii Timothy S. Ross, Steve Boyd 1990-6-18 3522 Los Angeles Ball Flat; 1500 m due north of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. 1743 Comment
  SD215621  Eriogonum viridescens Timothy S. Ross, Peter W. Fritsch, et al. 1990-6-22 3721 Los Angeles Pinyon Ridge; eastern half of the ridge, directly north of Fenner Canyon. 1938 Comment
  SEINET10926311  Melica imperfecta var. flexuosa Timothy S. Ross, Steve Boyd 1994-5-25 Ross 7936 Los Angeles Necktie Basin: Hanging basin ca 470-830 m W of Warm Springs Mtn summit. These collections from 600-800 m WSW of Summit. Warm Springs Mtn 7.5' USGS Quadrangle; T6N R16W (sections not demarcated). More-or-less flat-bottomed basin of cobbly and gravelly sedimetnary soil. Slopes recovering from burn of 4-5 years earlier; mostly chaparrel elements on slopes. Of note are dead remains of Juniperus californica throughout the lower portions of the basin which have not survived the fire and do not appear to be regenerating. Basin heavily infested with annual, non-native grasses which may have carried the fire and intensified its effects against the original juniper community. Comment
  SEINET3829013  Diplachne fusca var. uninervia Tim Ross 1991-1 4168 Los Angeles Whittier Hills (Puente Hills, pro parte): seepage ca 300ft SW of Colima Rd x Camino del Sur. Comment
  SEINET3871639  Dryopteris arguta Timothy S. Ross, Steve Boyd; Steve W. Burns 1994-7-6 8110 Los Angeles Tributary of Clearwater Canyon: Fork area of major blueline tributary which drains southward from Tule Ridge and joins Clearwater Canyon at Plum Spring. Green Valley 7.5' USGS Quadrangle.; 0 814 Comment
  SEINET3877472  Juncus balticus Timothy S. Ross, Steve Boyd 1994-9-21 8336 Los Angeles CowW SPRING POND': sag pond on the San Andreas Fault Zone at the North foot of Liebre Mtn. and on the South side of West Oakdale Canyon Road, ca 100 m West of the Cow Spring Canyon drainage. Liebre Mountain. 7.5' USGS Quadrangle.; 0 1149 Comment
  SEINET3881668  Juncus rugulosus Timothy S. Ross, Peter Fritsch 1990-6-20 3593 Los Angeles San Gabriel Mountains: mouth of Burro Canyon near the confluence of the E and W Forks of the San Gabriel River.; 0 445 Comment
  SEINET3885358  Calochortus invenustus Timothy S. Ross, Darin L. Banks 1994-6-21 7984 Los Angeles Vicinity of Pacifico Mountain: descending northerly ridge with Tie Canyon on the W, an upper tributary of Santiago Canyon on the E; ca 2175 m NW of Pac. Mtn's 7124-foot summit. Pacifico Mountain USGS 7.5' quad.; 0 1939 Comment
  SEINET3887499  Muilla maritima Timothy S. Ross, Steve Boyd 1994-5-25 7894 Los Angeles West Summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersection of sections 3, 4, 9, & 10, Liebre Mtn 7.5' USGS Quadrangle.; 0 1684 Comment
  SEINET3890368  Epipactis gigantea Timothy S. Ross, Steve Boyd 1994-5-10 7708 Los Angeles Warm Springs Canyon: Spring (un-named, but marked on topo map) along Warm Springs - Fish Canyon Truck Trail (6N32); NNW of Warm Springs Mountain summit. Warm Springs Mountain 7.5' USGS Quadrangle.; 0 799 Comment
  SEINET3896999  Carex alma Tim Ross, Peter Fritsch 1990-6-20 3637 Los Angeles San Gabriel Mountains: mouth of Burro Canyon near the confluence of the E and W Forks of the San Gabriel river.; 0 445 Comment
  SEINET3915184  Bolboschoenus maritimus subsp. paludosus Timothy S. Ross, Steve Boyd 1994-9-21 8333 Los Angeles Liebre Mountains. 'Cow Spring Pond': sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the S side of West Oakdale Canyon Road, ca 100 m W of the Cow Spring Canyon drainage. Liebre Mountain 7.5' USGS Quadrangle.; 0 1149 Comment
  SEINET3923285  Bromus rubens Timothy S. Ross, Steve Boyd 1994-5-4 7634 Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mtn summit. Lale Hughes 7.5' USGS Quadrangle.; 0 1055 Comment
  SEINET3923792  Persicaria lapathifolia Timothy S. Ross, Steve Boyd 1994-9-21 8335 Los Angeles CowW SPRING POND': sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the S side of West Oakdale Canyon Road, about 100 m W of the Cow Spring Canyon drainage. Liebre Mountain 7.5' USGS Quadrangle.; 0 1149 Comment
  SEINET3926250  Crypsis schoenoides Timothy S. Ross, Steve Boyd 1994-9-21 8329 Los Angeles 'Cow Spring Pond': Sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the S side of West Oakdale Canyon Road, ca 100 m W of the Cow spring Canyon drainage. Liebre Mountain 7.5' USGS Quadrangle.; 0 1149 Comment
  SEINET3926327  Cynodon dactylon Tim Ross 1992-6-15 6593 Los Angeles Whittier hills (local name for the western extremity of the Puente Hills): head of Turnbull Canyon, about 80 m SW of the intersection Skyline Drive with Turnbull Canyon Road. Whittier 7.5' USGS quadrangle.; 0 349 Comment
  SEINET3930686  Atriplex canescens subsp. canescens Timothy S. Ross, Steve Boyd 1994-9-20 8227 b Los Angeles Located 2 miles northwest of Acton. Sandy wash, south side of intersection Escondido Canyon Road and Red Rover Mine Road.; 0 884 Comment
  SEINET4676159  Cordylanthus rigidus subsp. setiger Timothy S. Ross, Steve Boyd 1994-9-21 8289 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10). Liebre Mountain 7.5 foot USGS Quadrangle.; 0 1676 Comment
  SEINET4676162  Cordylanthus rigidus Tim Ross 1990-8-17 3130 Los Angeles San Gabriel Mtns: S side of the Blue Ridge, 0.6 miles east of Vincent Gap along the Angeles Crest Highway (Hwy 2). Mescal Creek 7.5 foot USGS quadrangle.; 0 2060 Comment
  SEINET5644476  Quercus kelloggii Timothy S. Ross, Steve Boyd 1994-9-21 8297 Los Angeles Liebre Mountain: vicinity of West Summit. Liebre Mounrain 7.5'. Elevation ca 5520-5545/; 0 Comment
  SEINET6178263  Hypericum formosum var. scouleri Timothy S. Ross, Steve Boyd; Steve W. Burns 1994-7-6 8105 Los Angeles Tributary of Clearwater Canyon: Fork area of major blueline tributary which drains southward from Tule Ridge and joins Clearwater Canyon at Plum Spring. Green Valley 7.5' USGS Quadrangle.; 0 814 Comment
  SEINET6659388  Solidago californica Timothy S. Ross, Steve Boyd 1994-9-20 8269 Los Angeles Lower Spunky Canyon. This stretch draining SSE exiting into Bouquet Reservoir. Green Valley 7.5' USGS Quadrangle.; 0 934 Comment
  SEINET887800  Bromus breviaristatus Timothy S. Ross, Steve Boyd 1990-1 2747 Los Angeles Ridge descending northward from MT. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon; Rancho Santa Ana Botanic Garden Comment
  UC1583145  Galium angustifolium subsp. angustifolium Tim Ross and Steve Boyd 1990-5-14 2463 Los Angeles Yerba Buena Ridge San Gabriel Mountains, Angeles National Forest, Tujunga Rang 1155 Comment
  UC1584031  Chenopodium berlandieri Tim Ross 1991-2-23 4084 Los Angeles on slope dropping wnw from Turnbull Canyon Road x Skyline Drive; Whittier Hills (Puente Hills), Upper Turnbull Canyon 292 Comment
  UC1584032  Baccharis pilularis Tim Ross 1991-2-23 4083 Los Angeles on slope dropping wnw from Turnbull Canyon road x Skyline Drive Whittier Hills (Puente Hills), Upper Turnbull Canyon 292 Comment
  UC1584033  Ribes speciosum Tim Ross 1991-2-23 4082 Los Angeles on slope dropping wnw Turnbull Canyon Road x Skyline Drive; Whittier Hills (Puente Hills), Upper Turnbull Canyon 292 Comment
  UC1584041  Ceanothus integerrimus Tim Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4031 Los Angeles ne Tie Summit Station (e of Angeles Forest Hwy, Tujunga Ranger District, westerly drainage that meets the canyon.); San Gabriel Mts., Angeles National Forest Comment
  UC1584042  Ericameria pinifolia Tim Ross, Orlando Mistretta, and Peter Fritsch 1990-7-10 4029 Los Angeles ne of Tie Summit Station (e of Angeles Forest Hwy, Tujunga Ranger District, Angeles National Forest, westerly drainage that meets Tie Canyon); San Gabriel Mts. 1524 Comment
  UC1584043  Lonicera interrupta Tim Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4025 Los Angeles ne Tie Summit Station (e of Angeles Forest Hwy., w drainage that meets Tie Canyon); San Gabriel Mts., Angeles Nat'l Forest, Tujunga Ranger Dist. 1524 Comment
  UC1584054  Eriogonum saxatile Tim Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4053 Los Angeles ne Tie Summit Station (e of Angeles Forest Hwy.); San Gabriel Mtss, Angeles Nat'l Forest, Tujunga Ranger Dist. 1645 Comment
  UC1584056  Carex alma Tim Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4050 Los Angeles ne of Tie Summit Station (e of Angeles Forest Hwy, w drainage that meets Tie Canyon); San Gabriel Mts., Angeles N.F., Tujunga Ranger District 1463 Comment
  UC1584057  Castilleja minor subsp. spiralis Tim Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4046 Los Angeles ne of Tie Summit Station (e of Angeles National Forest, Tujunga Ranger District, w drainage that meets Tie Canyon); San Gabriel Mountains, Angeles National Forest, Tie Canyon 1463 Comment
  UC1584064  Ulmus parvifolia Tim Ross 1990-10-5 3235 Los Angeles as the crow flies .9 mi wsw Burro Peak (.9 mi N of the W Fork bridge, N Fork San Gabriel River); San Gabriel Mountains, N Fork San Gabriel River Comment
  UC1584106  Schinus molle Tim Ross 1991-2-23 4114 Los Angeles ca. 1/4 air-mile w. of Turnbull Canyon Rd. x Skyline Dr. Upper Turnbull Canyon; Whittier Hills (Puente Hills), Upper Turnbull Canyon 310 Comment
  UC1584216  Cryptantha muricata Tim Ross and Steve Boyd 1990-5-17 2582 Los Angeles Mill Creek Tree Plantation San Gabriel Mts., Angeles National Forest,, Tujunga District 1612 Comment
  UC1584219  Ceanothus greggii var. vestitus Tim Ross and Steve Boyd 1990-5-17 2591 Los Angeles Mill Creek Tree Plantation San Gabriel Mts., Angeles National Forest (Tujunga District,) Comment
  UC1584221  Collinsia callosa Tim Ross, Steve Boyd 1990-5-17 2593 Los Angeles Mill Creek Tree Plantation; San Gabriel Mtns; Angeles National Forest, Tujunga District 1612 Comment
  UC1584225  Juniperus californica Tim Ross and Steve Boyd 1990-6-6 2808 Los Angeles Green Valley Pasture Angeles National Forest, Saugus District, San Francisquito C (lake Hughs USGS 7.5 ft quad.) 926 Comment
  UC1584228  Brickellia nevinii Tim Ross and Steve Boyd 1990-6-6 2864 Los Angeles on slope at sw edge of Piru Pond, Los Padres National Forest Los Padres National Forest, Piru Pond 644 Comment
  UC1584231  Salix gooddingii Tim Ross and Steve Boyd 1990-6-6 2871 Los Angeles Piru Pond; Los Padres Nat'l Forest, Liebre Mt. USGS 7.5' Quadrangle 644 Comment
  UC1584232  Ephedra viridis Tim Ross and Steve Boyd 1990-6-6 2874 Los Angeles on the scree slopes to the sw of Piru Pond (Liebre Mtn USGS 7.5 ft quadrangle, Los Padres National Forest (admin. by Angeles N. F.)); Los Padres National Forest, Liebre Mtn USGS quadrangle, Piru 644 Comment
  UC1584233  Clarkia bottae Tim Ross, Steve Boyd 1990-6-6 2875 Los Angeles sw Piru Pond; Los Padres National Forest, Liebre Mtn. USGS 7.5' quadrangle 644 Comment
  UC1584241  Lotus scoparius var. scoparius Tim Ross and Steve Boyd 1990-6-6 2886 Los Angeles Piru Pond Los Padres National Forest, Liebre Mtn. U.S.G.S. 7.5' Quad. 644 Comment
  UC1584242  Atriplex lentiformis subsp. lentiformis Tim Ross, Steve Boyd 1990-6-6 2887 Los Angeles Piru Pond Liebre Mtn Quad., , Los Padres National Forest (Los Padres National Forest (admin. by Angeles N.F.)) 644 Comment
  UC1584243  Cirsium occidentale var. californicum Tim Ross and Steve Boyd 1990-6-6 2815 Los Angeles Green Valley Pasture Lake Hughes Quadrangle, San Franciscquito Canyon 926 Comment
  UC1584254  Glycyrrhiza lepidota Tim Ross and Steve Boyd 1990-6-6 2891 Los Angeles Piru Pond Los Padres National Forest, Liebre Mtn. 7.5' quadrangle (marshy areas at n edge) 644 Comment
  UC1584264  Hulsea heterochroma Tim Ross and Steve Boyd 1990-6-6 2839 Los Angeles Green Valley Pasture San Francisquito Canyon, Lake Hughes USGS 7.5' quad. 926 Comment
  UC1584267  Lotus strigosus Tim Ross and Steve Boyd 1990-6-6 2823 Los Angeles Green Valley Pasture San Francisquito Canyon, Lake Hughes U.S.G.S. 7.5' Quad. 926 Comment
  UC1584699  Encelia californica Tim Ross 1991-3-24 4314 Los Angeles Whittier Hills Puente Hills, Whittier Hills 310 Comment
  UC1584705  Rhamnus ilicifolia Tim Ross 1991-3-24 4310 Los Angeles Whittier Hills (Puente Hills, pro parte), drains sse into Turnbull Canyon Whittier Hills 237 Comment
  UC1584708  Eucrypta chrysanthemifolia var. chrysanthemifolia Tim Ross 1991-3-24 4311 Los Angeles Whittier Hills (Puente Hills, pro parte) 310 Comment
  UC1584711  Oxalis pes-caprae Tim Ross 1991-3-24 4298 Los Angeles small canyon that drians northward to Thurnbull Canyon from the nw side of Workman Hill Whittier Hills (Puente Hills, pro Parte) Comment
  UC1584712  Polypodium californicum Tim Ross 1991-3-24 4300 Los Angeles small canyon that drains n to Turnbull Canyon from the nw side of Workman Hill; Whittier Hills (Puente Hills, pro parte) 341 Comment
  UC1584713  Silybum marianum Tim Ross and Annette Ross 1991-6-3 5524 Los Angeles sw base Elephant Hill (west Pomona); West Pomona, Elephant Hill 230 Comment
  UC1584724  Chlorogalum parviflorum Tim Ross and Annette Ross 1991-6-3 5528 Los Angeles northwesterly slope Elephant Hill (West Pomona); , Elephant Hill 286 Comment
  UC1584727  Brassica rapa Tim Ross 1991-3-24 4303 Los Angeles Whittier Hills (Puente Hills, pro parte), Lower Turnbull Canyon Whittier Hills; , Lower Turnbull Canyon 170 Comment
  UC1584730  Juglans regia Tim Ross and Annette Ross 1991-6-3 5542 Los Angeles rocky outcrop on steep southerly slope west Pomona, Elephant Hill 286 Comment
  UC1584736  Lotus scoparius var. scoparius Tim Ross and Annette Ross 1991-6-3 5515 Los Angeles near s base of Elephant Hill (w Pomona); Pomona, Elephant Hill 249 Comment
  UC1584740  Spergularia villosa Tim Ross and Annette Ross 1991-6-3 5523 Los Angeles Elephant Hill west Pomona (disturbed flat at sw base) 230 Comment
  UC1584746  Nassella pulchra Tim Ross and Annette Ross 1991-3-7 4149 Los Angeles exposed rocky ridgetop San Dimas USGS 7.5' Quadrangle, western Pomona, Elephant Hil 300 Comment
  UC1584749  Mimulus aurantiacus var. pubescens Tim Ross, Annette Ross 1991-3-7 4158 Los Angeles draw at sw base Elephant Hill; San Dimas USGS 7.5' Quadrangle, western Pomona 251 Comment
  UC1584755  Rhamnus ilicifolia Tim Ross and Annette Ross 1991-3-7 4154 Los Angeles Elephant Hill, w Pomona Pomona, San Dimas U.S.G.S. 7.5' Quad. 341 Comment
  UC1584841  Lotus scoparius var. scoparius Tim Ross 1991-4-8 4460 Los Angeles Elephant Hill, w Pomona Pomona, Elephant Hill, San Dimas U.S.G.S. 7.5' Quad. 228 Comment
  UC1584867  Malva parviflora Tim Ross 1991-4-8 4457 Los Angeles western Pomona, Elephant Hill Elephant Hill; western Pomona, Elephant Hill 301 Comment
  UC1584875  Lupinus excubitus var. austromontanus Tim Ross, Steve Boyd 1991-7-24 5648 Los Angeles Granite Mountain , Chilao Flat Quad., Granite Mount (San Gabriel Mountain Range) 1901 Comment
  UC1584878  Galium johnstonii Tim Ross and Steve Boyd 1991-7-24 5659 A Los Angeles Granite Mountain San Gabriel Mountain Range, Chilao Flat USGS 7.5' quad 1950 Comment
  UC1584880  Stephanomeria exigua subsp. coronaria Tim Ross and Steve Boyd 1991-7-24 5644 Los Angeles nne slope Granite Mountain; Pacifico Mountain USGS 7.5' Quad., Granite Mountain 1901 Comment
  UC1584886  Corethrogyne filaginifolia Tim Ross and Steve Boyd 1991-7-24 5632 Los Angeles nne slope Granite Mountain Pacifico Mountain USGS 7.5' quadrangle 1901 Comment
  UC1584889  Phacelia mohavensis Tim Ross and Steve Boyd 1991-7-24 5612 Los Angeles ridge nne G.M.; Granite Mountain vicinity, Pacifico Mountain USGS 7.5' quad 1914 Comment
  UC1584891  Penstemon grinnellii Tim Ross, Steve Boyd 1991-7-24 5623 Los Angeles ridge nne G.M. (Granite Mountain vicinity); , Pacifico Mountain Quad, nne G.M. 1865 Comment
  UC1584892  Galium johnstonii Tim Ross and Steve Boyd 1991-7-24 5633 Los Angeles nne slope Pacifico Mountain USGS 7.5' quadrangle, Granite Mountain 1901 Comment
  UC1584893  Arenaria macradenia var. arcuifolia Tim Ross, Steve Boyd 1991-7-24 5615 Los Angeles Granite Mountain 1874 Comment
  UC1584902  Monardella australis subsp. cinerea Tim Ross, Steve Boyd 1991-7-24 5594 Los Angeles near Pacifico Mountain Road x Roundtop Truck Road intersection; Pacifico Mtn. USGS 7.5 quad., Grantite Mountain vicinity 1901 Comment
  UC1584905  Lupinus succulentus Tim Ross 1991-4-8 4479 Los Angeles western Pomona (Elephant Hill); San Dimas Quad., Western Pomona, Elephant Hill 228 Comment
  UC1584908  Nicotiana glauca Tim Ross 1991-4-8 4474 Los Angeles Elephant Hill Pomona, San Dimas U.S.G.S. 7.5' Quad. (w Pomona) 228 Comment
  UC1584911  Galium aparine Tim Ross 1991-4-8 4465 Los Angeles Elephant Hill San Dimas USGS 7.5' quadrangle, western Pomona (n slope) 330 Comment
  UC1584912  Asclepias californica Tim Ross, Steve Boyd 1991-7-24 5640 Los Angeles nne slope Grantite Mountain; Granite Mountain, Pacifico Mountain USGS 7.5' quadrangle 1901 Comment
  UC1584913  Lupinus formosus Tim Ross, Steve Boyd 1991-7-24 5664 Los Angeles vicinity Granite Mountain (San Gabriel Mountains); Pacifico Mountain quad., San Gabriel Mts., Granite Mountain 1889 Comment
  UC1584915  Oxytheca parishii var. parishii Tim Ross and Steve Boyd 1991-7-24 5647 Los Angeles nne slope Granite Mountain; Pacifico Mountain USGS 7.5' Quad., Granite Mountain 1914 Comment
  UC1584924  Lamarckia aurea Tim Ross 1991-4-8 4450 Los Angeles western Pomona, Elephant Hill Elephant Hill; western Pomona, Elephant Hill 228 Comment
  UC1584926  Malacothamnus orbiculatus Tim Ross, Steve Boyd 1991-7-24 5638 Los Angeles Pacifico Mountain USGS 7.5' quadrangle Granite Mountain, Pacifico Mountain USGS Quadrangle 1901 Comment
  UC1584927  Lotus crassifolius Tim Ross and Steve Boyd 1991-7-24 5614 Los Angeles ridge nne Granite Mountain; , Pacifico Mountain U.S.G.S. 7.5' Quad 1889 Comment
  UC1584930  Asclepias eriocarpa Tim Ross, Steve Boyd 1991-7-24 5606 Los Angeles ridge nne Granite Mountain; Pacifico Mountain USGS 7.5' quad 1892 Comment
  UC1586186  Trichostema austromontanum Tim Ross 1991-8-16 5825 Los Angeles Horse Flat San Gabriel Mountains; <coords. cont.: 1719 Comment
  UC1586189  Epilobium densiflorum Tim Ross 1991-8-16 5824 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat USGS 7.5' quad (sandy bed of dry stream depression) 1719 Comment
  UC1586191  Muhlenbergia rigens Tim Ross 1991-8-16 5836 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat USGS 7.5' Quad (at margin of dry stream depression) 1719 Comment
  UC1586192  Agnorhiza ovata Tim Ross 1991-8-16 5830 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat USGS 7.5' Quad 1719 Comment
  UC1586193  Arabis glabra Tim Ross 1991-8-16 5822 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat U.S.G.S 7.5' Quad. 1719 Comment
  UC1586206  Stephanomeria cichoriacea Tim Ross 1991-8-16 5805 Los Angeles Clear Creek Canyon, roadcut along Angeles Forest Hwy San Gabriel Mountains, Condor Peak USGS 7.5' Quad. 1085 Comment
  UC1586209  Chenopodium botrys Tim Ross 1991-8-16 5801 Los Angeles 1/5 mi due e confluence of Lucas Creek (Angeles Forest Hwy); Condor Peak USGS 7.5' quad, Big Tujunga Canyon 917 Comment
  UC1586214  Pellaea mucronata var. californica Tim Ross 1991-8-16 5874 Los Angeles Horse Flats; San Gabriel Mts 1786 Comment
  UC1586217  Lotus purshianus var. purshianus Tim Ross 1991-8-16 5831 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat U.S.G.S. 7.5' Quad. 1719 Comment
  UC1586221  Perideridia parishii subsp. latifolia Tim Ross 1991-8-16 5842 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat USGS 7.5' quad. 1719 Comment
  UC1586222  Oxytheca trilobata Tim Ross 1991-8-16 5859 Los Angeles s end Horse Flats; San Gabriel Mountains, Chilao Flat USGS 7.5' Quad 1720 Comment
  UC1586223  Galium porrigens var. porrigens Tim Ross 1991-8-16 5857 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat USGS 7.5' Quad. (s end) 1720 Comment
  UC1586238  Cistus incanus Tim Ross 1991-8-16 5796 Los Angeles Woodwardia Canyon San Gabriel Mountains, Condor Peak USGS 7.5' quadrangle (n of Pasadena) 818 Comment
  UC1587150  Galium catalinense subsp. acrispum Tim Ross 1991-5-23 5493 Los Angeles middle of island San Clemente Island, lower Tota Canyon (eastern escarpment) 80 Comment
  UC1587156  Eschscholzia ramosa Tim Ross 1991-5-21 5383 Los Angeles Box Canyon San Clemente Island (upper easterly branch) 472 Comment
  UC1587159  Carex tumulicola Tim Ross 1991-5-21 5390 Los Angeles upper e branch Box Canyon; San Clemente Island 463 Comment
  UC1587160  Verbena lasiostachys Tim Ross 1991-5-21 5388 Los Angeles upper easterly branch of Box Canyon; San Clemente Island 472 Comment
  UC1587166  Viola pedunculata Tim Ross 1991-5-21 5415 Los Angeles upper reaches of Box Canyon (sw side of the island); San Clemente Island, Box Canyon 403 Comment
  UC1587167  Pholistoma auritum Tim Ross 1991-5-21 5412 Los Angeles s.w. side San Clemente Isl. (upper reaches of Box Canyon); , Box Canyon 411 Comment
  UC1587169  Muhlenbergia californica Tim Ross and Annette Ross 1989-9-20 1780 Los Angeles near pond w Spring Hill (below Baldy Rd); San Gabriel Mountains, San Antonio Canyon 975 Comment
  UC1587171  Phyllospadix torreyi Tim Ross 1991-5-22 5438 Los Angeles w side of island about 5300 ft n Eel Point; San Clemente Island, Spray [Point] 0 Comment
  UC1587204  Acmispon argophyllus var. argenteus Tim Ross 1991-5-22 5454 Los Angeles San Clementine Island: Spray [Point], W side of island, N of Eel Point. 9 Comment
  UC1587210  Piptatherum miliaceum Tim Ross 1991-5-20 5358 Los Angeles 3300 ft nw 750 ft BM (upper reaches of drainage); San Clemente, Wilson Cove Canyon drainage 141 Comment
  UC1587219  Calystegia macrostegia subsp. amplissima Tim Ross 1991-5-20 5351 Los Angeles San Clemente Island un-named knoll ca 5500 ft s Wilson Cove Settlement (nw of the 750' BM); San Clemente Island, s of Wilson Cove Settlement 185 Comment
  UC1587225  Hordeum intercedens Tim Ross 1991-5-20 5371 Los Angeles upper northerly fork of the un-named drainage that empties to sea just n Jack Point Lighthouse; San Clemente Island 164 Comment
  UC1587555  Lonicera subspicata var. denudata Tim Ross 1991-9-2 5909 Los Angeles near Mulholland Highway x Yerba Buena Road; Santa Monica Mountains, Triunfo Pass 7.5' quadrangle 472 Comment
  UC1587558  Piptatherum miliaceum Tim Ross 1991-9-2 5926 Los Angeles near Mulholland Highway x Yerba Buena Road (along banks of an intermittent stream); Santa Monica Mountains, Triunfo Pass USGS 7.5' Quadrangle 472 Comment
  UC1587562  Artemisia douglasiana Tim Ross and Annette H. Ross 1991-9-7 5958 Los Angeles near Yerba Buena Road <crossing> Mulholland Highway; Santa Monica Mountains Comment
  UC1587565  Hazardia squarrosa var. grindelioides Tim Ross 1991-9-2 5908 Los Angeles near Mulholland Highway x Yerba Buena Road; Triunfo Pass 7.5' quadrangle, Santa Monica Mountains 472 Comment
  UC1587568  Ceanothus cuneatus var. cuneatus Tim Ross 1991-9-2 5929 Los Angeles near Mulholland Hwy (Yerba Buena Rd); Santa Monica Mts., Truinfo Pass USGS 7.5' quad Comment
  UC1587574  Carex spissa Tim Ross 1991-9-1 5894 Los Angeles near Mulholland Highway x Yerba Buena Road; Santa Monica Mountains, Triunfo Pass USGS 7.5' quadrangle 426 Comment
  UC1587577  Brickellia californica Tim Ross and Annette Ross 1991-9-7 5949 Los Angeles near x Yerba Buena Road Mulholland Highway (Santa Monica Mountains); Santa Monica Mountains 556 Comment
  UC1587581  Heterotheca grandiflora Tim Ross and Annette Ross 1991-9-7 5962 Los Angeles near Mulholland Hwy <crossing> Yerba Buena Road; Santa Monica Mountains, Triunfo Pass USGS 7.5' Quadrangle 374 Comment
  UC1587582  Encelia californica Tim Ross and Annette Ross 1991-9-7 5961 Los Angeles near crossing of Mulholland Highway and Yerba Buena Road (intermittent stream below hairpin turn in Mulholland Hwy); Santa Monica Mountains, Triunfo Pass Quadrangle 359 Comment
  UC1587583  Rhus Tim Ross, Annette Ross 1991-9-7 5959 Los Angeles near Mulholland Highway (Yerba Buena Road, Triunfo Pass USGS 7.5'); Santa Monica Mountains 359 Comment
  UC1587605  Sisymbrium altissimum Tim Ross 1991-8-14 5754 Los Angeles Roundtop Mountain; San Gabriel Mountains, Roundtop Mountain 1892 Comment
  UC1587608  Adenostoma fasciculatum Tim Ross 1991-8-14 5761 Los Angeles just below summit Roundtop Mt.; San Gabriel Mts., Chilao Flat U.S.G.S. 7.5' quad., Roundtop 1871 Comment
  UC1587611  Symphoricarpos rotundifolius var. parishii Tim Ross 1991-8-14 5773 Los Angeles slopes nw Roundtop Mtn. summit; San Gabriel Mountains, Chilao Flat U.S.G.S. 7.5' Quad. 1706 Comment
  UC1587612  Galium jepsonii Tim Ross 1991-8-14 5769 Los Angeles slopes nw summit; Chilao Flat USGS 7.5' quad., San Gabriel Mountains, Rountop 1828 Comment
  UC1587613  Lonicera interrupta Tim Ross 1991-8-14 5765 Los Angeles sw ridge descending from summit Roundtop [Mtn.]; San Gabriel Mountains, Chilao Flat U.S.G.S. 7.5' Quad. 1828 Comment
  UC1587624  Geranium carolinianum Tim Ross 1991-4-21 4519 Los Angeles Middle Turnbull Canyon drainage, just sw of old water tank, Whittier Hills (Puente Hills, pro parte) Whittier Hills, Puente Hills 219 Comment
  UC1587627  Hordeum murinum subsp. glaucum Tim Ross 1991-4-21 4514 Los Angeles Middle Turnbull Canyon drainage just sw old water tank (Whittier Hills (Puente Hills, pro parte)); Whittier Hills (Puente Hills), Middle Turnbull Cyn drainage 219 Comment
  UC1587630  Rubus ursinus Tim Ross 1991-4-21 4510 Los Angeles lower Turnbull Canyon drainage above nw bank of stream course Whittier Hills (Puente Hills, pro parte), Turnbull Cyn drng (Whittier Hills (Puente Hills, pro parte)) 182 Comment
  UC1587636  Amsinckia intermedia Tim Ross 1991-4-21 4547 Los Angeles ridgetop between Turnbull and Sycamore Canyons ((Puente Hills, pro parte)); Whittier Hills 320 Comment
  UC1587639  Plagiobothrys canescens Tim Ross 1991-4-21 4550 Los Angeles ridgetop between Turnbull and Sycamore Canyons Sycamore Canyons (Whittier Hills (Puente Hills, pro parte)); Whittier Hills 320 Comment
  UC1587640  Cerastium glomeratum Tim Ross 1991-4-21 4551 Los Angeles ridgetop between Turnbull and Sycamore Canyons; Whittier Hills, (Puente Hills, pro parte) 320 Comment
  UC1587646  Spartium junceum Tim Ross 1991-4-21 4567 Los Angeles Skyline Drive at head of Turnbull Canyon; Whittier Hills (Puente Hills, pro parte) 353 Comment
  UC1587647  Pennisetum setaceum Tim Ross 1991-4-21 4566 Los Angeles Skyline Drive at head of Turnbull Canyon (Whittier Hills (Puente Hills, pro parte)); Whittier Hills, Turnbull Canyon 353 Comment
  UC1587649  Euphorbia peplus Tim Ross 1991-4-21 4563 Los Angeles head of Turnbull Canyon Whittier Hills (Puente Hills, pro parte) (Skyline Drive) 353 Comment
  UC1587652  Erodium cicutarium Tim Ross 1991-3-9 4194 Los Angeles un-named canyon, Whittier Hills, (Puente Hills, pro parte) Whittier Hills, Puente Hills 304 Comment
  UC1587655  Bromus grandis Tim Ross 1991-8-14 5780 Los Angeles San Gabriel Mountains, Roundtop Mountain Roundtop Mountain; San Gabriel Mountains, Roundtop Mountain 1767 Comment
  UC1587658  Linanthus breviculus Tim Ross 1991-8-14 5771 Los Angeles nw of Roundtop Mtn. summit; San Gabriel Mountains, Chilao Flat U.S.G.S. 7.5' Quad 1767 Comment
  UC1587665  Epilobium canum subsp. latifolium Tim Ross 1991-8-14 5787 Los Angeles Pacifico Mtn Rd 0.30 mi e Lower Pacifico Campground Rd.; San Gabriel Mtns., Pacifico Mtn. USGS 7.5' quad 1933 Comment
  UC1587668  Ericameria cuneata var. cuneata Tim Ross 1991-8-14 5784 Los Angeles 0.48 mi e of <junction> Roundtop Truck Rd (on Pacifico Mtn Rd); San Gabriel Mtns, Pacifico Mt. USGS 7.5 quad, Pacifico Mtn 1917 Comment
  UC1587674  Ribes aureum Tim Ross 1991-3-9 4177 Los Angeles ne slope at head Oak Canyon; Whittier Hills, Puente Hills (pro parte) 335 Comment
  UC1587677  Lepidium nitidum Tim Ross 1991-3-9 4184 Los Angeles head of Oak Canyon, se side of ridgetop knoll Whittier Hills (Puente Hills, pro parte), Oak Canyon 368 Comment
  UC1587679  Mimulus aurantiacus var. pubescens Tim Ross 1991-3-9 4205 Los Angeles head Oak Canyon; Puente Hills, Whittier Hills 368 Comment
  UC1587681  Baccharis salicifolia subsp. salicifolia Tim Ross 1991-3-9 4161 Los Angeles 300 ft sw of Colima Rd X Camino del Sur Whittier Hills (Whittier Hills (Puente Hills, pro parte)) 213 Comment
  UC1587682  Leptochloa uninervia Tim Ross 1991-3-9 4168 Los Angeles seepage ca 300 ft sw Colima Rd. x Camino del Sur; Whittier Hills (Puente Hills, pro parte) 213 Comment
  UC1587683  Avena barbata Tim Ross 1991-3-9 4170 Los Angeles seepage ca 300 ft sw Colima Rd x Camino del Sur; Puente Hills, Whittier Hills 213 Comment
  UC1587690  Agrostis viridis Tim Ross 1991-4-21 4528 Los Angeles vicinity of old water tank Whittier Hills (Puente Hills, pro parte), Middle Turnbull Ca 228 Comment
  UC1587705  Spergularia macrotheca var. macrotheca Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5101 Los Angeles North Head San Clemente Island (coastal flats wnw of new landing field) 15 Comment
  UC1587708  Camissonia guadalupensis subsp. clementina Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5081 Los Angeles sw landing field (sand dunes); San Clemente Island, West Cove 6 Comment
  UC1587712  Piptatherum miliaceum Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5049 Los Angeles disturbed flats ca 650 ft se air terminal (new airfield, N end of island); San Clemente Island 64 Comment
  UC1587713  Stylocline masonii Tim Ross, Steve Boyd, Laurel Arnseth 1991-4-30 4965 a Los Angeles wash 2600 ft. s.-s.e. of Acton (Soledad Canyon (easterly extension of the Santa Clara R. wash system); Acton 7.5' Quad., Soledad Canyon Wash 829 Comment
  UC1587724  Trifolium gracilentum var. palmeri Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-17 5148 Los Angeles 1600 ft se 924'BM (at the e end of the old airfield landing, beginning of Larkspur Canyon drainage); San Clemente Island Comment
  UC1587727  Parapholis incurva Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-17 5135 Los Angeles 550 ft ssw of the 924' BM at the e end of the old airfield landing strip San Clemente Island 279 Comment
  UC1587736  Centranthus ruber Tim Ross 1991-4-21 4498 Los Angeles along Turnbull Canyon Road (Whittier Hills (Puente Hills, pro parte)); Whittier Hills (Puente Hills, pro parte) 274 Comment
  UC1587739  Mimulus Tim Ross and Steve Boyd 1990-6-6 2879 Los Angeles Piru Pond Los Padres National Forest, Liebre Mtn USGS 7.5' quadrangle 644 Comment
  UC1587740  Penstemon rostriflorus Tim Ross 1991-8-14 5764 Los Angeles Roundtop Mtn. San Gabriel Mountains, , Chilao Flat quad 1828 Comment
  UC1587746  Parietaria hespera var. californica Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5280 Los Angeles San Clemente Island San Clemente Island (w fork of Near-death Canyon, draining to Mosquito Cove (drainage beginning 800 ft n of Rest [1336'] marker; 1800 ft se of Malo Knoll [1396]); , Mosquito Cove 304 Comment
  UC1587749  Gilia nevinii Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5275 Los Angeles westerly fork Near-Death Canyon San Clemente Island, westerly fork Near-Death Canyon (draining to Mosquito Cove (drainage beginning 800 ft n of Rest [1336'] marker, 1800 ft se of Malo Knoll [1396'] San Clemente Is) 304 Comment
  UC1594345  Lupinus guadalupensis Tim Ross and Amy Kendall 1992-4-15 6193 Los Angeles central upland portion San Clemente Island (sw of 'Ledge' (1328' knoll w of Stone field station) 236 degrees sw ca 170m distant from summit of 'Ledge'); central upland portion of San Clemente Island 393 Comment
  UC1594356  Calystegia macrostegia subsp. intermedia Tim Ross, Mathew Bell 1992-3-22 6051 Los Angeles w side of Yerba Buena Road ca 360m nnw of intersection with Mulholland Highway (Santa Monica Mountains); Triunfo Pass Quad., Santa Monica Mountains 487 Comment
  UC1594359  Ceanothus spinosus Tim Ross, Mathew Bell 1992-3-22 6054 Los Angeles w side of Yerba Buena Road ca 360m nnw of intersection with Mulholland Highway (Santa Monica Mountains); Triunfo Pass Quad., Santa Monica Mountains 487 Comment
  UC1594360  Phacelia distans Tim Ross 1992-5-17 6346 Los Angeles 260 m w mouth of Cattle Canyon (near elbow of river); San Gabriel Mountains, E Fork of the San Gabriel River 576 Comment
  UC1594366  Eulobus californicus Tim Ross 1992-5-17 6338 Los Angeles short easterly spur canyon along Highway 39 (center w side of reservoir); San Gabriel Mountains, San Gabriel Reservoir 463 Comment
  UC1594369  Acmispon dendroideus var. traskiae Tim Ross 1992-4-14 6174 Los Angeles San Clemente Island: Central E side of Island; Coastal bluff on E escarpment ca 20 m S of where Nanny Canyon drainage meets the sea. Comment
  UC1594395  Sambucus mexicana Tim Ross and Elizabeth Kellogg 1992-4-11 6109 Los Angeles China Canyon San Clemente Island (w fork, e or ne-facing base of canyon wall) 304 Comment
  UC1594406  Trifolium gracilentum var. palmeri Tim Ross and Elizabeth Kellogg 1992-4-13 6142 Los Angeles vicinity Darter (nw part of island, ca 250 m nnw of shifting sands, 340 degrees nnw, 1140m distant from 199'BM near Flasher); San Clemente Island Comment
  UC1594409  Deinandra clementina Tim Ross 1992-4-14 6157 Los Angeles just below mouth Nanny Canyon (on rocky low ridge that separates the Nanny Canyon drainage from escarpment, central e side of island); San Clemente Island 99 Comment
  UC1594422  Lyonothamnus floribundus subsp. aspleniifolius Tim Ross and Elizabeth Kellogg 1992-4-12 6129 Los Angeles 110 degrees ese and 480-600 m from Vista (point) at the head of Grove Canyon; San Clemente Island 426 Comment
  UC1595207  Lotus crassifolius Tim Ross and Peter Fritsch 1990-6-20 3661 B Los Angeles ridgetop between West Fork San Gabriel River and Roberts Canyon (Rincon-Red Box Rd (2N24)); San Gabriel Mountains 1255 Comment
  UC1595210  Cryptantha muricata Tim Ross and Peter Fritsch 1990-6-20 3671 Los Angeles ridgetop between West Fork San Gabriel River and Roberts Canyon (Rincon-Red Box Rd (2N24)); San Gabriel Mountains 1255 Comment
  UC1595216  Lotus crassifolius Tim Ross and Peter Fritsch 1990-6-20 3661 A Los Angeles ridgetop between West Fork San Gabriel River and Roberts Canyon (Rincon-Red Box Rd (2N24)); San Gabriel Mountains 1255 Comment
  UC1595219  Scrophularia californica subsp. californica Tim Ross and Peter Fritsch 1990-6-20 3656 Los Angeles ridgetop between W Fork San Gabriel River and Roberts Canyon (Rincon-Red Box Rd); San Gabriel Mts 1255 Comment
  UC1595225  Melilotus albus Tim Ross and Annette H. Ross 1991-7-29 5681 Los Angeles Elephant Hill San Dimas USGS 7.5' Quad., W Pomona, Puente Hills (s side, hill is northernmost point of hills) 228 Comment
  UC1595228  Sonchus oleraceus Tim Ross and Peter Fritsch 1990-6-20 3610 Los Angeles mouth Burro Canyon (near confluence E and W Forks San Gabriel River); San Gabriel Mountains, near confluence E and W Forks San Gab 445 Comment
  UC1595231  Lolium multiflorum Tim Ross and Peter Fritsch 1990-6-20 3605 Los Angeles mouth of Burro Canyon near the confluence of the E and W Forks of San Gabriel River (San Gabriel Mountains); , nr confl E and W Fks San Gabriel Rive 445 Comment
  UC1595232  Stachys albens Tim Ross, Peter Fritsch 1990-6-20 3604 Los Angeles near Confluence of E and W Forks of the San Gabriel River (mouth of Burro Canyon); San Gabriel Mountains, Burro Canyon 445 Comment
  UC1595233  Medicago lupulina Tim Ross and Peter Fritsch 1990-6-20 3603 Los Angeles mouth of canyon near confluence of E and W Forks of the San Gabriel River; San Gabriel Mountains, Burro Canyon 445 Comment
  UC1595241  Ceanothus crassifolius Tim Ross and Peter Fritsch 1990-6-20 3591 Los Angeles near confluence of E and W Forks of San Gabriel River (mouth of Burro Canyon); San Gabriel Mts. Comment
  UC1595242  Salvia apiana Tim Ross and Peter Fritsch 1990-6-20 3590 Los Angeles near onfluence of the E and W Forks of the San Gabriel River (mouth of Burro Canyon); San Gabriel Mountains, Burro Canyon 445 Comment
  UC1595243  Heterotheca sessiliflora subsp. fastigiata Tim Ross and Peter Fritsch 1990-6-20 3589 Los Angeles near the confluence E and W Forks of the San Gabriel River; San Gabriel Mountains, Mouth of Burro Canyon 445 Comment
  UC1595254  Oenothera elata subsp. hirsutissima Tim Ross and Peter Fritsch 1990-6-20 3633 Los Angeles mouth of canyon near confluence of E and W Forks of the San Gabriel River; San Gabriel Mountains, Burro Canyon 445 Comment
  UC1595257  Melilotus albus Tim Ross and Peter Fritsch 1990-6-20 3629 Los Angeles mouth of canyon near confluence of e and w forks of the San Gabriel River; San Gabriel Mountains, Burro Canyon 445 Comment
  UC1595264  Heterotheca sessiliflora subsp. fastigiata Tim Ross and Peter Fritsch 1990-6-20 3616 Los Angeles near the confluence E and W Forks of the San Gabriel River; San Gabriel Mountains, Mouth of Burro Canyon 445 Comment
  UC1595267  Lotus nevadensis var. davidsonii Tim Ross 1992-7-16 6691 Los Angeles just e Military Reservation (near summit of Mt. Gleason); San Gabriel Mountains, Mt. Gleason 1901 Comment
  UC1595275  Penstemon spectabilis Tim Ross and Peter Fritsch 1990-6-20 3690 Los Angeles ridgetop between West Fork of San Gabriel River and Roberts Canyon (Rincon-Red Box Rd (2N24)); San Gabriel Mountains 1255 Comment
  UC1595278  Ceanothus integerrimus Tim Ross and Peter Fritsch 1990-6-20 3685 Los Angeles Rincon-Red Box Rd (2N24) San Gabriel Mts. (ridgetop between W Fork San Gabriel River and Roberts Canyon.) 1328 Comment
  UC1595280  Madia gracilis Tim Ross 1992-5-17 6384 Los Angeles 18 degrees nne and 425 m distant from East Fork Station; San Gabriel Mts., E Fork San Gabriel River, Heaton Flat area 624 Comment
  UC1595289  Sambucus mexicana Tim Ross 1991-3-10 4220 Los Angeles Bernard Field Station Claremont, Bernard Field Station (e side of RSA, vicinity of Phake Lake, marked as Pit on topo map) 391 Comment
  UC1595291  Tetradymia comosa Tim Ross 1991-3-10 4223 Los Angeles vicinity Phake Lake (Bernard Field Station, e side of Rancho Santa Ana Botantic Garden, about 20 m ne of the lake); Claremont, Phake Lake 391 Comment
  UC1595293  Solanum umbelliferum Tim Ross 1991-3-10 4218 Los Angeles Bernard Field Station, on e side of Rancho Santa Ana Rancho Santa Ana; Claremont, Bernard Field Station, Rancho Santa Ana 391 Comment
  UC1595304  Malacothamnus fasciculatus var. fasciculatus Tim Ross 1992-4-27 6237 Los Angeles S side of Indian Hill Mesa Claremont, Indian Hill Mesa 393 Comment
  UC1595307  Camissoniopsis bistorta Tim Ross 1992-4-27 6240 Los Angeles s side of mesa sw RSA grounds; Ontario USGS 7.5' quadrangle, Claremont, Indian Hill Mesa 393 Comment
Read comments May 27 2008
  UC1595310  Juncus mexicanus Tim Ross, Steve Boyd 1990-6-18 3475 Los Angeles northerly draw draining to Jackson Lake (San Gabriel Mountains, Camp Verdugo Pines and vicinity); San Gabriel Mountains 1877 Comment
  UC1595314  Verbena lasiostachys Tim Ross and Steve Boyd 1990-6-18 3481 Los Angeles and vicinity Camp Verdugo Pines (northerly draw draining to Jackson Lake); San Gabriel Mts, Mescal Creek USGS 7.5 ft Quadrangle 1877 Comment
  UC1595316  Prunus virginiana var. demissa Tim Ross, Steve Boyd 1990-6-18 3486 Los Angeles northerly draw draining to Jackson Lake (Camp Verdugo Pines and vicinity); San Gabriel Mountains, Camp Verdugo Pines 1877 Comment
  UC1595319  Stephanomeria cichoriacea Tim Ross and Orlando Mistretta 1992-7-24 6758 Los Angeles San Gabriel Mountains: Vicinity of Strawberry Spring, 86 degrees E, 1100 m distant from Strawberry Peak summit. 1479 Comment
  UC1595325  Agrostis exarata Tim Ross and Orlando Mistretta 1992-7-24 6771 Los Angeles vicinity Strawberry Spring (76 degrees ene, 900 m distant from Strawberry Peak summit); San Gabriel Mts. 1460 Comment
  UC1595328  Lotus oblongifolius Tim Ross and Orlando Mistretta 1992-7-24 6767 Los Angeles 900 m 76 degrees ene Strawberry Peak summit (vicinity of Strawberry Spring); San Gabriel Mts., Strawberry Spring 1460 Comment
  UC1595331  Eriophyllum confertiflorum var. confertiflorum Tim Ross and Orlando Mistretta 1992-7-24 6766 Los Angeles 76 degrees ene, 900 m distant from Strawberry Peak summit (vicinity of Strawberry Spring); San Gabriel Mts. 1460 Comment
  UC1595332  Lonicera subspicata var. denudata Tim Ross, Orlando Mistretta 1992-7-24 6739 Los Angeles nne Strawberry Peak summit (between Coldwater and Wickiup Canyons); San Gabriel Mts. 987 Comment
  UC1595333  Ericameria parishii var. parishii Tim Ross and Orlando Mistretta 1992-7-24 6742 Los Angeles nne of Strawberry Peak (between Colby Ranch and w branch of Wickiup Cyn stream); San Gabriel Mts 1207 Comment
  UC1595335  Allophyllum divaricatum Tim Ross and Orlando Mistretta 1992-7-24 6753 Los Angeles e. side Strawberry Peak (near divide between Colby & Wickiup Canyons, 120 degreess.e., 1065 meters distant from S.P. summit); San Gabriel Mts. 1560 Comment
  UC1595341  Cirsium occidentale var. californicum Tim Ross 1992-5-17 6369 Los Angeles lower Shoemaker Canyon San Gabriel Mts. 707 Comment
  UC1595343  Elymus glaucus Tim Ross 1992-5-17 6364 Los Angeles lower Shoemaker Canyon San Gabriel Mts. (draining to E fork of San Gabriel River and joining it at 2125 ft elevation) 688 Comment
  UC1595357  Nerium oleander Tim Ross 1992-5-17 6347 Los Angeles 25 degrees nne and 885 m distant from East Fork Station (just ne of Heaton Flat, E Fork San Gabriel River, San Gabriel Mts.); San Gabriel Mts., E Fork San Gabriel River 694 Comment
  UC1595359  Eriogonum davidsonii Tim Ross, Steve Boyd 1990-6-18 3460 Los Angeles northerly draw draining to Jackson Lake Jackson Lake; San Gabriel Mtns., Camp Verdugo Pines and vicinity, Mescal C 1877 Comment
  UC1595364  Galium aparine Tim Ross and Steve Boyd 1990-6-18 3454 Los Angeles northerly draw draining to Jackson Lake; San Gabriel Mtns., Mescal Creek USGS 7.5' Quad, Camp Verdug 1877 Comment
  UC1595367  Melica stricta Tim Ross and Steve Boyd 1990-6-18 3449 Los Angeles vicinity Camp Verdugo Pines (n draw draining into Jackson Lake); San Gabriel Mtns., Jackson Lake, Mescal Creek U.S.G.S. 7.5' 1877 Comment
  UC1595380  Gayophytum diffusum subsp. parviflorum Tim Ross and Steve Boyd 1990-6-18 3468 Los Angeles Camp Verdugo Pines and vicinity San Gabriel Mtns., Mescal Creek USGS 7.5' quad (northerly draw draining to Jackson Lake) 1877 Comment
  UC1595386  Ribes speciosum Tim Ross 1991-3-10 4214 Los Angeles e side RSA (near w edge of field station grounds); Claremont, Bernard Field Station 391 Comment
  UC1595391  Polystichum imbricans subsp. curtum Tim Ross 1990-6-20 3683 Los Angeles ridgetop between W Fork San Gabriel River and Roberts Canyon (Rincon-Red Box Rd (2N24)); San Gabriel Mts 1328 Comment
  UC1595392  Muilla maritima Tim Ross and Peter Fritsch 1990-6-20 3682 Los Angeles Rincon-Red Box Rd (2N24) on ridgetop between W Fk San Gabriel River and Roberts Canyon; San Gabriel Mountains 1255 Comment
  UC1595393  Boechera californica Tim Ross and Peter Fritsch 1990-6-20 3680 Los Angeles ridgetop between West Fork of San Gabriel River and Roberts Canyon (Rincon-Red Box Rd (2N24)); San Gabriel Mountains 1255 Comment
  UC1595395  Minuartia douglasii Tim Ross and Peter Fritsch 1990-6-20 3677 Los Angeles Rincon-Red Box Rd (2N24) ridgetop between W Fk San Gabriel River and Roberts Canyon; San Gabriel Mountains 1328 Comment
  UC1595400  Solidago velutina subsp. californica Tim Ross and Annette H. Ross 1991-7-29 5698 Los Angeles n-most point Puente Hills (W Pomona, Elephant Hill); San Dimas Quad., n-most point of the Puente Hills, W Pomona 321 Comment
  UC1595404  Chenopodium ambrosioides Tim Ross and Annette H. Ross 1991-7-29 5714 Los Angeles Elephant Hill San Dimas 7.5' quad, Puente Hills, W Pomona (near n base, hill is n-most point of Puente Hills) 243 Comment
  UC1595407  Epilobium canum subsp. canum Tim Ross and Annette H. Ross 1991-7-29 5687 Los Angeles Elephant Hill Puente Hills, San Dimas USGS 7.5' quad, W Pomona (sw side, n-most point of hills) 316 Comment
  UC1595410  Sambucus mexicana Tim Ross and Annette H. Ross 1991-7-29 5699 Los Angeles Elephant Hill San Dimas 7.5 ft quad, Puente Hills, W Pomona (ne slope of e summit area, n-most point of hills,) 321 Comment
  UC1595416  Polygonum lapathifolium Tim Ross and Annette H. Ross 1991-7-29 5719 Los Angeles Elephant Hill San Dimas USGS 7.5 ' quad, Puente Hills, W Pomona (base of n slope, n-most point of hills, w-running streamlet) 231 Comment
  UC1595419  Bromus grandis Tim Ross 1992-7-10 6671 Los Angeles between Coldwater Canyon and Wickiup Canyon (San Gabriel Mountains, Big Tujunga Creek); San Gabriel Mountains, Big Tujunga Creek 967 Comment
  UC1595425  Stachys albens Tim Ross 1992-7-10 6661 Los Angeles between Coldwater Canyon and Wickiup Canyon; San Gabriel Mountains, Big Tujunga Creek 967 Comment
  UC1595428  Verbascum thapsus Tim Ross 1992-7-10 6662 Los Angeles margin of Big Tujunga Creek between Coldwater Canyon and Wickiup Canyon; San Gabriel Mountains, Big Tujunga Creek 967 Comment
  UC1595432  Keckiella ternata var. ternata Tim Ross 1992-7-10 6683 Los Angeles between Coldwater Canyon and Wickiup Canyon (Big Tujunga Creek); San Gabriel Mountains 975 Comment
  UC1595433  Erigeron foliosus var. foliosus Tim Ross 1992-7-10 6681 Los Angeles along creek between Coldwater Canyon and Wickiup Canyon; San Gabriel Mountains, Big Tujunga Creek 975 Comment
  UC1595438  Emmenanthe penduliflora Tim Ross 1992-4-4 6065 Los Angeles Three Sisters: SW Mojave Desert, 1 mi SE of Black Butte, middle butte of Three Sisters 969 Comment
  UC1595441  Lycium andersonii Tim Ross 1992-4-4 6066 Los Angeles 1 mi se Black Butte (middle butte of the three); Mojave Desert, Three Sisters, El Mirage U.S.G.S. 7.5'Quad. 969 Comment
  UC1595442  Mirabilis laevis var. villosa Tim Ross 1992-4-4 6069 Los Angeles 1 mi se Black Butte (middle butte of the three); SW Mojave Desert, Three Sisters 969 Comment
  UC1595443  Ericameria cooperi var. cooperi Tim Ross 1992-4-4 6073 Los Angeles 1 mi se Black Butte (middle butte of the three, sw Mojave Desert, on El Mirage USGS 7.5 ft topo); Mojave Desert, Three Sisters 975 Comment
  UC1595454  Arctostaphylos Tim Ross 1992-7-10 6642 Los Angeles 310 m e where Coldwater Canyon meets Big Tujunga Creek (just s of creek, e side of road to Colby Ranch); San Gabriel Mountains, Big Tujunga Canyon 972 Comment
  UC1595457  Lonicera interrupta Tim Ross 1992-7-10 6639 Los Angeles 310 m e where Coldwater Canyon meets Big Tujunga Creek (just s of creek, e side of road to Colby Ranch); San Gabriel Mountains, Big Tujunga Canyon 963 Comment
  UC1595460  Rhamnus crocea Tim Ross 1992-4-27 6251 Los Angeles s side Indian Hill Mesa (sw of RSA grounds); Claremont, Ontario U.S.G.S. 7.5' Quad. 393 Comment
  UC1595464  Lasthenia gracilis Tim Ross 1992-4-4 6082 Los Angeles Adobe Mountain SW Mojave Desert, Adobe Mtn USGS 7.5' topo 926 Comment
  UC1595467  Plagiobothrys arizonicus Tim Ross 1992-4-4 6088 Los Angeles nr SW/4 SW/4 NE/4 NE/4; SW Mojave Desert, Adobe Mtn. USGS 7.5' topo, Adobe Mountain 975 Comment
  UC1595475  Pectocarya recurvata Tim Ross 1992-4-4 6105 Los Angeles 1 mi se Black Butte (middle butte of the three); sw Mojave Desert, Three Sisters 969 Comment
  UC1605194  Lomatium mohavense Tim Ross, Steve Boyd, Laurel Arnseth 1991-4-30 5015 Los Angeles ca. 0.6 mi. e.-s.e. Acton (s. edge of Soledad Canyon Wash); San Gabriel Mts., Acton Quad., Soledad Canyon Wash 841 Comment
  UC1605196  Lomatium californicum Tim Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3881 Los Angeles n. slope Liebre Mt. (upper portions of Pacific Crest Trail which follows ridge just e. of Horse Camp Canyon); Liebre mts., Liebre Mt. 1487 Comment
  UC1605244  Osmorhiza brachypoda Tim Ross and Steve Boyd 1991-4-25 4613 Los Angeles lower Graveyard Canyon San Gabriel Mtns., Glendora 7.5' USGS Quadrangle ((which joins lower E Fk of the San Gabriel River at ca 1540 ft)) 512 Comment
  UC1605247  Conium maculatum Tim Ross 1992-6-15 6559 Los Angeles Whittier Hills (local name for w extremity of Puente Hills), upper end of Turnbull Canyon Turnbull Canyon; Whittier Hills, Turnbull Canyon 298 Comment
  UC1605251  Yabea microcarpa Tim Ross, Janet Takara, Stacey Otte 1993-4-25 6972 Los Angeles head of s fork Descanso Canyon; Santa Catalina Island, Santa Catalina East U.S.G.S. 7.5' qua 176 Comment
  UC1605252  Sanicula arguta Tim Ross 1993-4-22 6897 Los Angeles 750 m due n of Cactus Peak Summit (sw part of Santa Catalina Island, draining to middle Bullrush Canyon); Santa Catalina Island 335 Comment
  UC1605253  Yabea microcarpa Timothy S. Ross and Steve Boyd 1994-6-23 8070 Los Angeles n slope Sawmill Mountain (ca 330 m se to 525 m ene of Sawmill Campground, descending ne along a ridge at hed of w fork Devils Gulch); Liebre Mountains, Burnt Creek 7.5' U.S.G.S. quad. 1493 Comment
  UC1605255  Berula erecta Timothy S. Ross, Steve Boyd and Steve Burns 1994-7-6 8089 Los Angeles confluence of San Francisquito Canyon and two triutaries draining off of Red Mountain (Liebre Mountains, s end of Cottonwood Swamp dissected by San Francisquito Road); Liebre Mountains, Cottonwood Swamp 510 Comment
  UC1605261  Tauschia parishii Timothy S. Ross and Steve Boyd 1994-5-25 7902 Los Angeles West Summit of Liebre Mountain <W summit here construed as rounded knoll 100 m s of intersection of S3,4,9, & 10> West Summit of Liebre Mountain; Liebre Mountains, Liebre Mtn 7.5' USGS Quad. 1684 Comment
  UC1605262  Tauschia parishii Timothy S. Ross and Steve Boyd 1994-5-11 7788 Los Angeles ca 1750 m wsw Bear Gulch Camp (central summit area Liebre Mtn, Liebre Mountains); Liebre Mountains, Liebre Mtn Quad. 1694 Comment
  UC1605263  Anthriscus caucalis Tim Ross and Steve Boyd 1994-5-4 7678 Los Angeles Dogwood Canyon Liebre Mountains, Lake Hughes 7.5' U.S.G.S. quad. (narrow canyon draining ne to Burns Canyon from the ne summit of Grass Mountain) 1267 Comment
  UC1605444  Lagophylla ramosissima Tim Ross and Steve Boyd 1993-5-23 7223 Los Angeles 140-220 m se saddle between Ruby and Clearwater Canyons (along margin of Forest Service fire rd., lower e ridge of mt.); Green Valley 7.5' USGS quad., Red Mtn. 950 Comment
  UC1605452  Syringa laciniata Tim Ross and Steve Boyd 1990-5-29 2699 Los Angeles Big Rock Creek; San Gabriel Mtns 1239 Comment
  UC1605453  Micropus californicus var. californicus Tim Ross, Janet Takara, and Stacey Otte 1993-4-24 6962 Los Angeles lower Bouchette Canyon draining ne-ward to Johnsons Landing (w end of island beyond isthmus); Santa Catalina Island, Santa Catalina West USGS 7.5' quad 91 Comment
  UC1605463  Bromus carinatus var. carinatus Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5070 Los Angeles San Clemente Island, Lower Wilson Cove Canyon, sw of and above pier operations Lower Wilson Cove Canyon; San Clemente Island, Lower Wilson Cove Canyon 15 Comment
  UC1605494  Boechera californica Tim Ross and Steve Boyd 1991-4-25 4603 Los Angeles lower Graveyard Canyon San Gabriel Mtns, Glendora 7.5' USGS Quadrangle ((which joins the lower E Fk of the San Gabriel River at ca 1540 ft elev.)) 512 Comment
  UC1611538  Nemophila menziesii Tim Ross and Walter Appleby 1993-4-15 6823 Los Angeles Los Pinetos Spring wester San Gabriel Mtns., San Fernando 7.5' USGS quad, Los P (at head of canyon) 893 Comment
  UC1611548  Phacelia douglasii Tim Ross, Steve Boyd, Laurel Arnseth 1991-4-30 4962 Los Angeles about 1/2 mi e Acton; Acton USGS 7.5 Quadrangle, Soledad Canyon Wash 829 Comment
  UC1611556  Cistus incanus Tim Ross and Walter Appleby 1993-4-15 6821 Los Angeles southerly draw ca. 515 m ssw May Canyon Saddle (draining to Wilson Canyon, disturbed area on n side of Loop Canyon Rd.); Western San Gabriel Mtns., San Fernando 7.5' USGS Quad. 1011 Comment
  UC1611566  Phacelia minor Tim Ross, Steve Boyd, Laurel Arnseth 1991-4-29 4836 Los Angeles Parker Mountain Liebre Mountains, Acton 7.5' USGS Quadrangle (and ridge to sw, sw of Acton and nne of Ravenna, nw Los Angeles Co.) 1118 Comment
  UC1619321  Tauschia parishii Timothy S. Ross, Peter W. Fritsch, Steve Boyd, Orlando Mistretta 1990-6-22 3718 Los Angeles Pinyon Ridge, eastern half, directly N of Fenner Canyon San Gabriel Mountains 1938 Comment
  UC1619323  Tauschia arguta Timothy S. Ross, Steve Boyd 1990-5-23 2624 Los Angeles north-northwesterly ridge descending from Messenger Peak (6015 ft) (near headwaters of Mill Canyon and Moody Canyon); San Gabriel Mountains, Mount Gleason area 1645 Comment
  UC1797792  Piptatherum miliaceum Tim Ross and Peter Fritsch 1990-6-20 3595 Los Angeles mouth Burro Canyon (near the confluence of the e and w forks of the San Gabriel River); San Grabriel Mountains 445 Comment
  UC1871017  Eulobus californicus T. S. Ross, Walter Appleby 1993-5-19 7178 Los Angeles Transverse Ranges: San Gabriel Mtns region; Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle; San Fernando 7.5' USGS quad; R15W T3N, NE/4 SW/4 SW/4 NW/4 sect. 15; ca 2,640 ft. elevation. 804 Comment
  UC1871021  Eriodictyon crassifolium var. nigrescens T. S. Ross 1993-5-13 7115 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon; San Fernando 7.5' USGS quad; R15W T3N, E/4 NW/4 sect 10; between 2800-3220 feet elevation. Comment
  UC1871022  Eriophyllum confertiflorum var. confertiflorum T. S. Ross, Walter Appleby 1993-5-13 7110 Los Angeles San Gabriel Mountains; Western San Gabriel Mtns: May Canyon Saddle, San Fernando, Alt 3660ft 1115 Comment
  UC1871023  Caulanthus amplexicaulis T. S. Ross, Walter Appleby 1993-5-13 7109 Los Angeles San Gabriel Mountains; Western San Gabriel Mtns: May Canyon Saddle, San Fernando, Alt 3660ft 1115 Comment
  UC1871035  Cistus ladanifer T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-28 3942 Los Angeles Transverse Ranges; Liebre Mountains region; About 340 m NNW of the old Tumble Inn site along stretch of road between the old Ridge Route and Liebre Gulch. T7N R17W SE 1/4 NE 1/4 NE 1/4 SW 1/4 sect 7; elev ca 3600 feet. 1098 Comment
  UC1871038  Eriogonum roseum T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3952 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  UC1871045  Arctostaphylos glandulosa subsp. glaucomollis T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3921 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. Elevations between 4880-5680 feet. Comment
  UC1871048  Eriogonum fasciculatum subsp. foliolosum Tim Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3919 Los Angeles Liebre Mountain: near center of the long summit, in the vicinity of the old radio tower site 1719 Comment
  UC1871050  Erysimum capitatum T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3905 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. Elevations between 4880-5680 feet. Comment
  UC1871056  Phacelia fremontii T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4790 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UC1871059  Platystemon californicus T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4785 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UC1871060  Coreopsis bigelovii T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4786 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UC1871066  Pectocarya recurvata T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4801 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UC1871087  Claytonia perfoliata subsp. mexicana T. S. Ross, Walter Appleby 1993-5-13 7118 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon; San Fernando 7.5' USGS quad; R15W T3N, E/4 NW/4 sect 10; between 2800-3220 feet elevation. Comment
  UC1871095  Quercus chrysolepis T. S. Ross, S. D. Boyd, Peter Fritsch 1990-6-27 3877 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon; elevation 4830-5160 feet. T8N R17W center S 1/4 SE 1/4 sect 34; and T7N R17W center N 1/2 NE 1/4 sect 3. Comment
  UC1871098  Quercus kelloggii T. S. Ross, S. D. Boyd, Peter Fritsch 1990-6-27 3871 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon; elevation 4830-5160 feet. T8N R17W center S 1/4 SE 1/4 sect 34; and T7N R17W center N 1/2 NE 1/4 sect 3. Comment
  UC1871119  Lotus grandiflorus var. grandiflorus T. S. Ross 1993-5-13 7125 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon; San Fernando 7.5' USGS quad; R15W T3N, E/4 NW/4 sect 10; between 2800-3220 feet elevation. Comment
  UC1871125  Trichostema lanatum T. S. Ross 1993-5-14 7139 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: ca 720 meters SW of Wilson Canyon Saddle and 260 meters SE of knoll-top Radio Facility, on E side of ridge above Wilson Canyon Road; San Fernando 7.5' USGS quad; R15W T3N, NW/4 SW/4 SW/4 SE/4 sect 9; elev. ca 3420 ... 1043 Comment
  UC1871128  Syntrichopappus fremontii T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4812 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UC1871131  Emmenanthe penduliflora T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4808 Los Angeles Transverse Ranges; Liebre Mountains region; Parker Mountain and ridge to SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UC1871132  Arabis pulchra T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4806 Los Angeles Transverse Ranges; Liebre Mountains region; Parker Mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UC1871133  Mentzelia gracilenta T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4805 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UC1871141  Desmazeria rigida T. S. Ross, Janet Takara, M. Gay 1993-4-20 6826 Los Angeles Channel Islands; Santa Catalina Island; Indian Head Rock, SSW of & overlooking, Little Harbor; Santa Catalina North USGS 7.5' quad; near 33 deg. 22'46''N, 118 deg. 28'41''W; elev. ca 260 ft. 79 Comment
  UC1871142  Lamarckia aurea T. S. Ross, Janet Takara, Misty Gay 1993-4-20 6829 Los Angeles Channel Islands; Santa Catalina Island; Indian Head Rock, SSW of & overlooking, Little Harbor; Santa Catalina North USGS 7.5' quad; near 33 deg. 22'46''N, 118 deg. 28'41''W; elev. ca 260 ft. 79 Comment
  UC1871143  Salvia columbariae T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4794 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UC1871154  Chaenactis glabriuscula var. glabriuscula T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4925 Los Angeles Transverse Ranges; Liebre Mountains region; Castaic Creek: confluence of Fish Canyon and general vicinity. T6N R17W SE 1/4 section 16, and N 1/2 NE 1/4 section 22; elevation 1615'-1880' (riparian area and lower adjacent slopes). Comment
  UC1871157  Salvia columbariae T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4934 Los Angeles Transverse Ranges; Liebre Mountains region; Castaic Creek: confluence of Fish Canyon and general vicinity. T6N R17W SE 1/4 section 16, and N 1/2 NE 1/4 section 22; elevation 1615'-1880' (riparian area and lower adjacent slopes). Comment
  UC1871164  Scutellaria siphocampyloides T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3974 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W, ca. 350 m W of the knoll, T7N R17W E 1/2 NE 1/4 sec 9. Elev 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  UC1871167  Lotus wrangelianus T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4902 Los Angeles Transverse Ranges; Liebre Mountains region; Castaic Creek: confluence of Fish Canyon and general vicinity. T6N R17W SE 1/4 section 16, and N 1/2 NE 1/4 section 22; elevation 1615'-1880' (riparian area and lower adjacent slopes). Comment
  UC1871169  Medicago polymorpha T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4919 Los Angeles Transverse Ranges; Liebre Mountains region; Castaic Creek: confluence of Fish Canyon and general vicinity. T6N R17W SE 1/4 section 16, and N 1/2 NE 1/4 section 22; elevation 1615'-1880' (riparian area and lower adjacent slopes). Comment
  UC1871175  Eulobus californicus T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4849 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UC1871180  Keckiella ternata var. septentrionalis T. S. Ross, S. D. Boyd, Peter Fritsch 1990-6-28 3969 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: NW slope between Tentrock Canyon and Poison Oak Canyon; T8N R17W ctr sect 33; elevation 4600-5040 feet. Comment
  UC1871186  Chenopodium californicum T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4821 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UC1871189  Thysanocarpus laciniatus T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4824 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UC1871191  Ribes roezlii var. roezlii T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3887 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. Elevations between 4880-5680 feet. Comment
  UC1871192  Eriastrum densifolium subsp. austromontanum T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3885 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. Elevations between 4880-5680 feet. Comment
  UC1871206  Clarkia epilobioides Tim Ross 1993-4-21 6849 Los Angeles Santa Catalina Island; SW part of the island in the vicinity of Cactus Peak (1560 ft); slope and small ridges N of Cactus Peak summit 426 Comment
  UC1871214  Gamochaeta ustulata T. Ross 1993-4-21 6847 Los Angeles Santa Catalina Island; major E-W ridge between "Carlos" and Cactus Pk; 2750 ft WNW of Cactus Pk summit 435 Comment
  UC1871217  Lotus hamatus T. S. Ross 1993-4-21 6834 Los Angeles Channel Islands; Santa Catalina Island; Santa Catalina Island: SW part of the island along major E-W ridge between Carlos and Cactus Peak; 500-1200 ft NNE to NE of Quartz 397 Comment
  UC1871221  Mimulus aurantiacus var. puniceus T. Ross 1993-4-21 6840 Los Angeles Santa Catalina Island; major E-W ridge between "Carlos" and Cactus Pk 396 Comment
  UC1871222  Dichondra occidentalis T. S. Ross 1993-4-21 6842 Los Angeles Channel Islands; Santa Catalina Island; Santa Catalina Island: SW part of the island along major E-W ridge between ''Carlos'' and Cactus Peak; 500-1200 ft NNE to NE of ''Quartz'&apos 397 Comment
  UC1871235  Uropappus lindleyi T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4952 Los Angeles Transverse Ranges; Liebre Mountains region; Soledad Canyon Wash: about half mile E of Acton; T5N R13W, W1/2 SE1/4 SE1/4 section 36; elevation 2720 feet. 829 Comment
  UC1871238  Camissoniopsis pallida subsp. pallida T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4948 Los Angeles Transverse Ranges; Liebre Mountains region; Soledad Canyon Wash: about half mile E of Acton; T5N R13W, W1/2 SE1/4 SE1/4 section 36; elevation 2720 feet. 829 Comment
  UC1871248  Cryptantha similis T. S. Ross 1991-4-30 4970 Los Angeles San Gabriel Mtns.; Soledad Canyon Wash, c. one-half mi. east of Acton. 829 Comment
  UC1871250  Eriophyllum wallacei T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4966 Los Angeles Transverse Ranges; Liebre Mountains region; Soledad Canyon Wash: about half mile E of Acton; T5N R13W, W1/2 SE1/4 SE1/4 section 36; elevation 2720 feet. 829 Comment
  UC1871256  Quercus john-tuckeri T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3949 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  UC1871259  Thysanocarpus laciniatus T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5028 Los Angeles Transverse Ranges; San Gabriel Mountains region; 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash; Acton USGS 7.5' Quadrangle; T4N R13W, N/2 NE/4 NE/4 S1; elev. 2760-2880 ft. Comment
  UC1871264  Eriogonum roseum T. S. Ross, S. D. Boyd, Peter Fritsch 1990-6-27 3869 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon; elevation 4830-5160 feet. T8N R17W center S 1/4 SE 1/4 sect 34; and T7N R17W center N 1/2 NE 1/4 sect 3. Comment
  UC1871266  Aesculus californica T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3862 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon; Elevation 4390-5150 feet. T8N R17W SE 1/4 SW 1/4 sect 35; and T7N R17W NE 1/4 NW 1/4 sect 2. Comment
  UC1871269  Phoradendron villosum T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3857 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon; Elevation 4390-5150 feet. T8N R17W SE 1/4 SW 1/4 sect 35; and T7N R17W NE 1/4 NW 1/4 sect 2. Comment
  UC1871271  Solanum xanti T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3985 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  UC1871272  Sambucus mexicana T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3989 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  UC1871273  Eriogonum umbellatum var. munzii T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3947 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  UC1871275  Cryptantha muricata T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3996 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  UC1871295  Clarkia rhomboidea T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3910 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. Comment
  UC1871298  Lessingia lemmonii var. peirsonii T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3900 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. Comment
  UC1871300  Centrostegia thurberi T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3898 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. Comment
  UC1871306  Eriodictyon crassifolium var. nigrescens T. S. Ross 1991-4-30 5013 Los Angeles Transverse Ranges; San Gabriel Mountains region; 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash; Acton USGS 7.5' USGS Quadrangle; T4N R13W, N/2 NE/4 NE/4 S1; elev. 2760-2880 ft. Comment
  UC1871309  Salvia carduacea T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5010 Los Angeles Transverse Ranges; Liebre Mountains region; Paris: ca. one mile E of Acton, next to the Southern Pacific Railway, on the N side of Soledad Canyon Wash, T5N R12W SW 1/4 NE 1/4 SW 1/4 section 31; elevation ca. 2740 ft. 835 Comment
  UC1871314  Malacothamnus davidsonii T. S. Ross, S. D. Boyd 1993-6-30 7387 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western SAN GABRIEL MTS.: near middle portion of Loop Canyon; San Fernando 7.5' USGS quad, R15W T3N, SW/4 SW/4 SE/4 SE/4 sect 14; ca 2245 feet elevation. 684 Comment
  UC1871321  Muilla maritima T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4798 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UC1871322  Arctostaphylos catalinae T. S. Ross 1993-4-21 6859 Los Angeles Channel Islands; Santa Catalina Island; SW part of the island in the vicinity of Cactus Peak (1560 ft); slope and small ridges N of Cactus Peak summit 402 Comment
  UC1871323  Schoenoplectus pungens T. Ross 1993-4-20 6825 Los Angeles Santa Catalina Island; NE side of Little Harbor near outlet of Little Springs Canyon drainage 2 Comment
  UC1871350  Cuscuta californica T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3978 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  UC2015607  Eucalyptus polyanthemos Tim Ross, Janet Takara, Stacey Otte 1993-4-24 6964 Los Angeles Santa Catalina Island: W end of island beyond the isthmus, lower Bouchette Canyon, ca 545 m W of Johnsons Landing, at an old Boy Scout camp; Comment
  UCR119236  Piptatherum miliaceum T. S. Ross, Peter Fritsch 1990-6-20 3595 Los Angeles San Gabriel Mtns., Mouth of Burro Canyon near the confluence of the E and W forks of the San Gabriel River 466 Comment
  UCR142972  Cryptantha muricata var. muricata T. S. Ross, Steve Boyd 1990-6-6 2854 Los Angeles Green Valley Pasture, in San Francisquito Canyon 1037 Comment
  UCR142973  Cryptantha intermedia T. S. Ross, Steve Boyd 1990-6-6 2856 Los Angeles Green Valley Pasture, in San Francisquito Canyon 1037 Comment
  UCR65514  Solanum xanti T. S. Ross, Steve Boyd 1990-5-14 2467 Los Angeles San Gabriel Mtns., Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1049 Comment
  UCR65547  Allium haematochiton T. S. Ross, Steve Boyd 1990-5-14 2490 Los Angeles San Gabriel Mtns., Angeles National Forest, Yerba Buena Ridge, Angeles National Forest. 1104 Comment
  UCR65555  Mentzelia micrantha T. S. Ross, Steve Boyd 1990-5-14 2473 Los Angeles San Gabriel Mtns., Angeles National Forest, Yerba Buena Ridge, Tujunga Ranger District. 1122 Comment
  UCR65556  Pityrogramma triangularis var. triangularis T. S. Ross, Steve Boyd 1990-5-14 2506 Los Angeles San Gabriel Mtns., Angeles National Forest, Yerba Buena Ridge, Tujunga Ranger District 1024 Comment
  UCR67647  Brickellia nevinii T. S. Ross, O. Mistretta 1990-10-24 3294 Los Angeles San Gabriel Mtns., San Gabriel Mountains, 0.6 mi. east of the San Gabriel Reservoir 745 Comment
  UCR68613  Malacothamnus fremontii T. S. Ross, Steve Boyd 1990-6-6 2889 Los Angeles Los Padres National Forest, Piru Pond 645 Comment
  UCR68614  Phacelia longipes T. S. Ross, Steve Boyd 1990-6-6 2878 Los Angeles Los Padres National Forest, Piru Pond 645 Comment
  UCR71726  Piptatherum miliaceum T. S. Ross, Steve Boyd 1990-6-6 2814 Los Angeles Green Valley Pasture, in San Francisquito Canyon 1037 Comment
  UCR73385  Bromus grandis T. S. Ross 1991-8-14 5780 Los Angeles San Gabriel Mtns, Roundtop Mountain 1768 Comment
  UCR73386  Lonicera interrupta T. S. Ross 1991-8-14 5765 Los Angeles San Gabriel Mtns., Roundtop Mountain 1829 Comment
  UCR73392  Galium johnstonii T. S. Ross 1991-8-14 5755 Los Angeles San Gabriel Mtns, Roundtop Mtn 1890 Comment
  UCR73397  Spergularia macrotheca var. macrotheca T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5101 Los Angeles Channel Islands, San Clemente Island, North Head; crusty, sandy coastal flats WNW of the new landing field 15 Comment
  UCR73400  Lavatera cretica T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5140 Los Angeles Channel Islands, San Clemente Island, beginning of Larkspur Canyon drainage, 900 feet SSE of the 924 ft. benchmark at the E end of the old airfield landing strip. 267 Comment
  UCR73405  Prunus persica T. S. Ross 1991-4-21 4499 Los Angeles Whittier Hills (Puente Hills, pro parte): Turnbull Canyon drainage near mouth of canyon 154 Comment
  UCR73406  Coronilla valentina subsp. glauca T. S. Ross 1991-3-9 4204 Los Angeles Whittier Hills (Puente Hills, pro parte): Skyline Drive at the head of Turnbull Canyon 348 Comment
  UCR73411  Schinus molle T. S. Ross 1991-4-21 4548 Los Angeles Whittier Hills (Puente Hills, pro parte), ridgetop between Turnbull & Sycamore Canyons 329 Comment
  UCR73415  Lotus hamatus T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5243 Los Angeles Channel Islands, San Clemente Island, W fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft. north of Rest [1336 ft.] marker & 1800 ft. SE of Malo Knoll [1396']. Upper portion of drainage 305 Comment
  UCR73418  Eriophyllum confertiflorum var. confertiflorum T. S. Ross, O. Mistretta 1991-5-19 5274 Los Angeles Channel Islands, San Clemente Island, W fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft. north of Rest [1336 ft.] marker & 1800 ft. SE of Malo Knoll [1396']. Upper portion of drainage 305 Comment
  UCR76407  Amblyopappus pusillus T. S. Ross, E. Kellogg 1992-4-13 6140 Los Angeles Channel Islands, NW part of San Clemente Island, terrace in vicinity of Darter 18 Comment
  UCR76413  Logfia gallica T. S. Ross 1992-4-16 6201 Los Angeles Channel Islands, San Clemente Island, central part of the island; 268 deg. W, 500 m distant from 1603 ft. peak above Stone Field Station 439 Comment
  UCR76414  Lupinus bicolor subsp. umbellatus T. S. Ross 1992-4-16 6199 Los Angeles Channel Islands, San Clemente Island, central part of the island; 268 deg. W, 500 m distant from 1603 ft. peak above Stone Field Station 439 Comment
  UCR76419  Poa secunda T. S. Ross 1992-4-14 6154 Los Angeles Channel Islands, San Clemente Island: central E side of the island; just below the mouth of Nanny Canyon 137 Comment
  UCR76422  Bowlesia incana T. S. Ross, E. Kellogg 1992-4-12 6128 Los Angeles San Clemente Island, Head of Grove Cyn. 459 Comment
  UCR77560  Pectocarya recurvata T. S. Ross 1992-4-4 6105 Los Angeles Southwest Mojave Desert, Three Sisters, 1 mi. SE of Black Butte. Middle butte of the three 1008 Comment
  UCR77575  Cryptantha simulans T. S. Ross, Steve Boyd 1990-6-18 3466 Los Angeles San Gabriel Mtns., Camp Verdugo Pines and vicinity, northerly draw draining to Jackson Lake 1915 Comment
  UCR77576  Phacelia mohavensis T. S. Ross, Steve Boyd 1990-6-18 3464 Los Angeles San Gabriel Mtns., Camp Verdugo Pines and vicinity, northerly draw draining to Jackson Lake 1915 Comment
  UCR84385  Collinsia childii T. S. Ross, Steve Boyd 1994-5-11 7816 Los Angeles Liebre Mtns, Sawmill Mountain: W summit area about 260-350 m SE of Sawmill Campground 1622 Comment
  UCR84430  Fraxinus uhdei T. S. Ross, Steve Boyd 1994-5-24 7835 Los Angeles Liebre Mtns, 'Cottonwood Swamp': Confluence of San Francusquito Canyon Stream and two tributaries draining off the SE slopes of Red Mtn 515 Comment
  UCR84480  Plagiobothrys canescens T. S. Ross, D. L., D. L. Banks 1994-4-12 7501 Los Angeles San Gabriel Mtns., San Francisquito Canyon, westerly ridge descending from SW/NE-trending ridge which divides San Francisquito Canyon from Dry Canyon; c. 480 m SE of where Drinkwater Canyon joins San Francisquito Canyon 671 Comment
  UCR84486  Harpagonella palmeri T. S. Ross, Janet Takara 1993-4-23 6939 Los Angeles Channel Islands, Santa Catalina Island, upper E side of Cottonwood Canyon drainage, on northwesterly-trending ridge 900m WNW of Black Jack Mtn summit 494 Comment
  UCR84559  Calystegia peirsonii T. S. Ross, Steve Boyd 1994-5-24 7850 Los Angeles San Gabriel Mtns., NE summit of Grass Mtn: N slopes draining toward Elizabeth lake; S slopes toward Green Valley. 1390 Comment
  UCR84563  Chenopodium rubrum T. S. Ross 1994-9-21 8334 b Los Angeles San Gabriel Mtns., 'Cow Spring Pond': sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the south side of W Oakdale Canyon Rd, c. 100 m west of the Cow Spring Drainage. 1155 Comment
  UCR84564  Fraxinus dipetala T. S. Ross, Steve Boyd 1994-5-10 7714 Los Angeles San Gabriel Mtns., Warm Springs Canyon: canyon bottom ad adjacent northerly slopes at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; c. 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon. 683 Comment
  UCR84573  Petalonyx thurberi subsp. thurberi T. S. Ross, Steve Boyd 1992-7-5 6632 Los Angeles Liebre Mtns, San Francisquito Canyon: c. 1 mi north of Powerhouse No. 2. (Section 1 is distorted and measures 1.3 mi N to S, but a standard mi E to W.) 502 Comment
  UCR84574  Lotus argophyllus subsp. ornithopus T. S. Ross 1992-4-14 6182 Los Angeles Channel Islands; San Clemente Island, Eastern escarpment just below the mouth of Nanny Canyon where it opens onto a sloping terrace and flows northward 87 Comment
  UCR84579  Eriastrum densifolium subsp. densifolium T. S. Ross 1992-7-17 6720 Los Angeles San Gabriel Mtns., Summit of Condor Peak. 1660 Comment
  UCR85800  Galium jepsonii T. S. Ross, Steve Boyd 1991-7-24 5596 Los Angeles Granite Mtn. vicinity; near intersection of Pacifico Mountain Road and Roundtop Truck Road 1902 Comment
  UCR85805  Baccharis salicifolia T. S. Ross, A. Ross 1991-3-7 4157 Los Angeles San Gabriel Valley, Elephant Hill, western Pomona 230 Comment
  UCR85806  Galium johnstonii T. S. Ross, Steve Boyd 1991-7-24 5672 Los Angeles San Gabriel Mtns, Granite Mountain, NNE slope 1900 Comment
  UCR85811  Phacelia cicutaria var. hispida T. S. Ross, Annette Ross 1991-6-3 5543 Los Angeles San Gabriel Valley, Elephant Hill, west Pomona 305 Comment
  UCR85818  Pholistoma auritum T. S. Ross 1991-4-8 4458 Los Angeles San Gabriel Valley, Elephant Hill: western Pomona 355 Comment
  UCR85820  Phacelia davidsonii T. S. Ross, Steve Boyd 1991-7-24 5612 Los Angeles San Gabriel Mtns., ridge NNE of Granite Mountain 1915 Comment
  UCR85825  Lotus purshianus var. purshianus T. S. Ross 1991-8-16 5831 Los Angeles San Gabriel Mtns, Horse Flats 1720 Comment
  UCR85826  Horkelia rydbergii T. S. Ross 1991-8-16 5838 Los Angeles San Gabriel Mtns, Horse Flats 1720 Comment
Read comments Jul 27 2007
  UCR85828  Perideridia parishii T. S. Ross 1991-8-16 5842 Los Angeles San Gabriel Mtns, Horse Flats 1720 Comment
  UCR85830  Galium johnstonii T. S. Ross 1991-8-16 5839 Los Angeles San Gabriel Mtns, Horse Flats 1720 Comment
  UCR86523  Galium catalinense subsp. acrispum T. S. Ross 1992-4-14 6163 Los Angeles Channel Islands, San Clemente Island: central E side of island; lower end of Nanny Canyon just above its 'mouth 183 Comment
  UCR86524  Crassula connata var. eremica T. S. Ross, Amy Kendall 1992-4-15 6195 Los Angeles San Clemente Island, Central upland portion of the island, SW of 'Ledge' (1328' knoll of Stone field station), 236 degrees SW, c. 170m distant from summit of 'Ledge' 393 Comment
  UCR86527  Trifolium palmeri T. S. Ross 1992-4-14 6185 Los Angeles San Clemente, c. 20-40 m ENE of the intersection of the new Lemon Tank Road and the main N-S island access road 340 Comment
  UCR86529  Senecio lyonii T. S. Ross, E. Kellogg 1992-4-13 6145 Los Angeles Channel Islands, NW part of San Clemente Island, terrace in vicinity of Darter 18 Comment
  UCR86533  Acmispon dendroideus var. traskiae T. S. Ross 1992-4-14 6158 Los Angeles Channel Islands, San Clemente Island: central east side of island 137 Comment
  UCR86534  Hemizonia clementina T. S. Ross 1992-4-14 6157 Los Angeles Channel Islands, San Clemente Island: central east side of island 137 Comment
  UCR86539  Tropaeolum majus T. S. Ross 1991-5-22 5434 Los Angeles San Clemente Island, Lower Wilson Cove Canyon, just west of the deck activities 12 Comment
  UCR86543  Parapholis incurva T. S. Ross 1992-4-14 6183 Los Angeles San Clemente Island, Lemon Tank Road, c. 25 m ESE of its intersection with the main N-S island road. 341 Comment
  UCR86544  Trifolium truncatum T. S. Ross, Amy Kendall 1992-4-15 6192 Los Angeles San Clemente Island, Central upland portion of the island, SW of 'Ledge' (1328' knoll of Stone field station), 236 degrees SW, c. 170m distant from summit of 'Ledge' 393 Comment
  UCR86549  Galium andrewsii subsp. andrewsii T. S. Ross 1991-9-2 5906 Los Angeles Western Transverse Range; Santa Monica Mtns., near Mulholland Hwy junction with Yerba Buena Rd 473 Comment
  UCR86551  Adenostoma sparsifolium T. S. Ross 1991-9-2 5928 Los Angeles Western Transverse Range; Santa Monica Mtns., near Mulholland Hwy at Yerba Buena Rd 503 Comment
  UCR86714  Calystegia macrostegia subsp. amplissima T. S. Ross 1992-4-14 6178 Los Angeles Channel Islands, San Clemente Island: central east side of island 137 Comment
  UCR87157  Eucalyptus camaldulensis T. S. Ross, Walter Appleby 1993-6-7 7366 Los Angeles W end San Gabriel Mtns., draw draining SW from May Canyon Saddle. 1085 Comment
  UCR89458  Cryptantha oxygona T. S. Ross, Steve Boyd, L. Arnseth 1991-4-30 4982 Los Angeles San Gabriel Mtns., Soledad Canyon Wash, c. one-half mi. east of Acton. 829 Comment
  UCR89461  Cryptantha muricata T. S. Ross, W. Appleby 1993-5-13 7114 Los Angeles San Gabriel Mtns., c. 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon 976 Comment
  UCR89475  Cryptantha oxygona T. S. Ross, Steve Boyd, L. Arnseth 1991-4-29 4797 Los Angeles San Gabriel Mtns., Parker Mtn and ridge to the SW: SW of Acton and NNE of Ravenna 1259 Comment
  UCR89478  Amsinckia douglasiana T. S. Ross, Steve Boyd, L. Arnseth 1991-4-29 4793 Los Angeles San Gabriel Mtns., Parker Mtn and ridge to the SW: SW of Acton and NNE of Ravenna 1259 Comment
  UCR89484  Scrophularia peregrina T. S. Ross, Steve Boyd 1993-3-24 6819 Los Angeles RSABG; collected on the SE edge of Indian Hill Mesa (also observed in the Bernard Field Station to the east of the Botanic Garden) 402 Comment
  UCR93293  Amsinckia tessellata var. tessellata T. S. Ross, Steve Boyd 1994-5-4 7649 Los Angeles San Gabriel Mtns., Grass Mountain, slope c. 70 m ENE of summit 1392 Comment
  UCR93294  Madia elegans subsp. vernalis T. S. Ross, Steve Boyd 1994-5-24 7847 Los Angeles San Gabriel Mtns., NE summit of Grass Mtn: N slopes draining toward Elizabeth lake; S slopes toward Green Valley. 1390 Comment
  UCR93299  Plagiobothrys canescens T. S. Ross, Janet Takara, Stacey Otte 1993-4-24 6954 Los Angeles Santa Catalina Island, W end of island beyond the isthmus, on main east-west ridgetop; upper NW slope of Silver Peak (= West Peak Triangulation Point, 1804 ft.) 527 Comment
  UCR93301  Cryptantha micrantha var. micrantha T. S. Ross, J. M. Porter 1994-5-1 7577 Los Angeles SW Mojave Desert, Open desert, c. 1870 m SW of Three Sisters buttes, along Black Butte Basin Road 966 Comment
  UCR95271  Lupinus microcarpus var. densiflorus T. S. Ross, J. M. Porter 1995-5-4 8474 Los Angeles Transverse Range, Texas Canyon: c. 3.6 road miles NE of Bouquet Canyon Road 683 Comment
  UCR95371  Pectocarya anisocarpa T. S. Ross 1995-4-7 8350 Los Angeles 'Old Ridge Route': 3.95 mi north of its junction with Lake Hughes Road, west of Castaic Lake on ridge dividing Marple Canyon from Grasshopper Canyon. 631 Comment
  UCR95417  Sidalcea malviflora subsp. sparsifolia T. S. Ross, V. W. Steinmann 1995-5-8 8535 Los Angeles Liebre Mtns., Bouquet Canyon, along Bouquet Canyon Road near Bouquet Campground No. 3. 744 Comment
  UCR98733  Arctostaphylos glandulosa subsp. glaucomollis T. S. Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3829 Los Angeles San Gabriel Mtns., easterly and southeasterly slopes to the SW of Crystal Lake. 1829 Comment
  UCR98734  Leptodactylon pungens subsp. pulchriflorum T. S. Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3836 Los Angeles San Gabriel Mtns., Ridgetop to the west of Crystal Lake, ridge descending SSW from Mt. Islip. 2037 Comment
  UCR98743  Tauschia parishii T. S. Ross, Steve Boyd 1990-6-18 3525 Los Angeles San Gabriel Mtns., Ball Flat, 1500 m due north of Jackson Lake, between the Boulder Canyon & Mescal Creek drainages. 1768 Comment
  UCR98744  Eriogonum maculatum T. S. Ross, Steve Boyd 1990-6-18 3502 Los Angeles San Gabriel Mtns., Ball Flat, 1500 m due north of Jackson Lake, between the Boulder Canyon & Mescal Creek drainages. 1768 Comment
  UCR98749  Allium fimbriatum var. fimbriatum T. S. Ross, Steve Boyd 1990-6-18 3497 Los Angeles San Gabriel Mtns., Ball Flat, 1500 m due north of Jackson Lake, between the Boulder Canyon & Mescal Creek drainages. 1768 Comment
  UCR98821  Rorippa curvipes var. truncata T. S. Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3826 Los Angeles San Gabriel Mtns., W margin of Crystal Lake. 1701 Comment
  UCSB63430  Quercus tomentella Ross, Tim; Kellogg, Elizabeth 1992-4-12 Los Angeles San Clemente Island; 110 degrees ESE, 480-600 m. from Vista (point), at the head of Grove Canyon 495 Comment
  CAS-BOT-BC116266  Delphinium parryi subsp. parryi T. S. Ross; V. W. Steinmann 1995-5-8 8546 Los Angeles Lower SPUNKY CANYON: easterly slope at the effluence of the canyon into Bouquet Reservoir. 926 Comment
  CAS-BOT-BC12906  Lepidium strictum Timothy S. Ross; Steve Boyd 1990-5-15 2521 Los Angeles San Gabriel Mountains. Live Oak Campground, Tujunga Ranger District, Angeles National Forest. 670 Comment
  CAS-BOT-BC154694  Solanum umbelliferum T. S. Ross 1993-6-1 7352 Los Angeles San Gabriel Mountains. Upper Winter Creek Trail between Chantry Flat and Hoegee Camp (on Winter Creek), on the W side of Santa Anita Canyon 2600 Comment
  CAS-BOT-BC159107  Phacelia ramosissima var. latifolia Timothy S. Ross 1992-5-24 6426 Los Angeles Lower Brown's Gulch: W of San Gabriel Dam, on W side of Hwy 39: disturbed chaparral-clad slope 487 Comment
  CAS-BOT-BC174974  Medicago lupulina Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-6 8096 Los Angeles Cottonwood Swamp: Confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountains 515 Comment
  CAS-BOT-BC182845  Astragalus douglasii Timothy S. Ross; Steve Boyd 1990-6-1 2762 Los Angeles Moody Canyon (a.k.a. the Toilet Bowl of Death): draining northward from Messenger Flats and Mt Gleason 1341 Comment
  CAS-BOT-BC183874  Salvia columbariae Timothy S. Ross; Steve Boyd 1994-5-4 7684 Los Angeles Head of South Portal Canyon: northwest of Grass Mountain on forest service road that follows South Portal Canyon 1179 Comment
  CAS-BOT-BC226407  Gilia latiflora subsp. latiflora Timothy S. Ross 1991-4-27 4686 Los Angeles Mojave Desert: Black Butte Basin Road at its intersection with Avenue 'U', NW corner; 0.85 mile and ca 152 deg. SW of Three Sisters [buttes] 960 Comment
  CAS-BOT-BC226637  Mentzelia congesta Timothy S. Ross; Darin Banks 1994-6-21 7983 Los Angeles San Gabriel Mountains. Vicinity of Pacifico Mountain: descending northerly ridge with Tie Canyon on the W, an upper tributary of Santiago Canyon on the E; ca 2070 m NW of Pac. Mtn's 71240-foot summit 1962 Comment
  CAS-BOT-BC226640  Leptosiphon breviculus Timothy S. Ross; Darin Banks 1994-6-21 7993 Los Angeles San Gabriel Mountains. Vicinity of Pacifico Mountain: saddle between the north fork Tie Canyon on the SW and a major NE-draining tributary of Santiago Canyon on the NE; ca 3160 m NW of Pac. Mtn's 7124-foot summit 1645 Comment
  CAS-BOT-BC226832  Centrostegia thurberi Timothy S. Ross; Darin Banks 1994-6-21 7995 Los Angeles San Gabriel Mountains. Vicinity of Pacifico Mountain: 100 m NE of saddle between the north fork Tie Canyon on the SW and a major NE-draining tributary of Santiago Canyon on the NE; ca 3160 m NW of Pac. Mtn's 7124-foot summit 1621 Comment
  CAS-BOT-BC227788  Erodium botrys Tim Ross 1993-4-22 6880 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); 825 m ESE of Cactus Peak summit, in saddle between 1548-ft and 1528-ft summits 431 Comment
  CAS-BOT-BC242747  Eriogonum davidsonii Timothy S. Ross; Steve Boyd 1990-5-29 2669 Los Angeles San Gabriel Mountains. Big Pines Hwy, midway between Caldwell Lake and Big Rock Springs, on the NE side of the knoll behind which Shoemaker Canyon turns to the NW 1402 Comment
  CAS-BOT-BC321536  Layia glandulosa Timothy S. Ross 1995-4-26 8378 b Los Angeles Southwesterly slope of Liebre Mtn along Forest Service rd 7N23; ca 3900 ft SW of Sandberg Triangulation Point (5345 ft.) 1444 Comment
  CAS-BOT-BC341489  Lagophylla ramosissima Tim Ross 1992-6-15 6582 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): knoll at the head of the S fork of Sycamore Canyon 371 Comment
  CAS-BOT-BC342354  Logfia gallica Tim Ross 1992-6-15 6585 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): knoll at the head of the S fork of Sycamore Canyon 371 Comment
  CAS-BOT-BC381879  Uropappus lindleyi Timothy S. Ross; Darin Banks 1994-4-12 7459 Los Angeles Liebre Mountains. San Francisquito Canyon: dike-like ridge with crest descending toward the road in a NW direction; ca 220 m SW of where Drinkwater Canyon joins S. Fr. Canyon 512 Comment
  CAS-BOT-BC388494  Herniaria hirsuta var. cinerea Timothy S. Ross; J. Mark Porter 1995-5-4 8489 Los Angeles Liebre Mountains. Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road 682 Comment
  CAS-BOT-BC397709  Stellaria nitens Timothy S. Ross; Darin Banks 1994-4-12 7507 Los Angeles San Francisquito Canyon: westerly ridge descending from SW/NE-trending ridge which divides S. Fr. Canyon from Dry Canyon; ca 480 m SE of where Drinkwater Canyon joins S. Fr. Canyon 67 Comment
  CAS-BOT-BC401993  Gilia ochroleuca subsp. bizonata Tim Ross; Steve Boyd; Peter Fritsch 1990-6-28 3951 Los Angeles Liebre Mountains. Liebre Mtn: NW slope between Tentrock Canyon and Poison Oak Canyon 1536 Comment
  CAS-BOT-BC401994  Gilia ochroleuca subsp. bizonata Tim Ross; Steve Boyd; Laurel Arnseth 1991-4-29 4811 Los Angeles Liebre Mountains. Parker Mountain and ridge to the SW: SW of Acton and NNE of Ravenna 1259 Comment
  CAS-BOT-BC401995  Gilia ochroleuca subsp. bizonata Tim Ross; Steve Boyd; Laurel Arnseth 1991-4-29 4811 Los Angeles Liebre Mountains. Parker Mountain and ridge to the SW: SW of Acton and NNE of Ravenna 1259 Comment
  CAS-BOT-BC40777  Erysimum capitatum Timothy S. Ross 1995-4-26 8388 Los Angeles Liebre Mountains. Liebre Gulch. Along Forest Service Road 8N05 (descending into the gulch from the Tumble Inn site). 993 Comment
  CAS-BOT-BC410153  Arceuthobium occidentale Timothy S. Ross; Steve Boyd 1994-9-21 8320 Los Angeles Liebre Mountains ca. 150-260 m SW of town of Sandberg 1292 Comment
  CAS-BOT-BC414000  Polygonum aviculare subsp. aviculare Tim Ross 1992-6-15 6569 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): upper end of Turnbull Canyon 219 Comment
  CAS-BOT-BC43349  Descurainia pinnata subsp. glabra Timothy S. Ross 1991-4-27 4660 Los Angeles Mojave Desert. Fort Tejon Road, 0.1 mile west of its junction with Highway 138 (and hiking +-S to SW). 1203 Comment
  CAS-BOT-BC439124  Claytonia exigua subsp. exigua Tim Ross; Steve Boyd; Laurel Arnseth 1991-4-29 4816 Los Angeles Liebre Mountains, NW Los Angeles County. Parker Mountain and ridge to the SW: SW of Acton and NNE of Ravenna. 1259 Comment
  CAS-BOT-BC453703  Potamogeton illinoensis Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3822 Los Angeles San Gabriel Mountains. Vicinity of Crystal Lake 1700 Comment
  CAS-BOT-BC482055  Bloomeria crocea var. crocea Timothy S. Ross 1992-5-24 6412 Los Angeles Brown's Gulch: (draining to San Gabriel Canyon at the base of San Gabriel Dam); Rancho Santa Ana Botanic Garden, San Gabriel Mountains 475 Comment
  CAS-BOT-BC516254  Linanthus parryae Timothy S. Ross 1995-4-26 8395 Los Angeles Liebre Mountains. Head of Liebre Gulch drainage along Forest Service Road 8N05, between Sandberg and Bald Mountain; ca 1740 feet W of Sandberg BM (4164 ft) 1208 Comment
  CAS-BOT-BC523869  Gilia modocensis Timothy S. Ross; Steve Boyd 1994-5-25 7905 Los Angeles Liebre Mountains. West summit of Libre Mountain: here construed as the rounded knoll 100 m S of the jct of sections 3,4,9,&10, Liebre Mtn. 7.5' USGS Quad 1708 Comment
  CAS-BOT-BC63899  Sedum spathulifolium Timothy S. Ross 1993-5-16 7147 Los Angeles Glendora Ridge Road on the divide between San Dimas Canyon and Cow Canyon. Mt. Baldy 7.5 USGS quad 1331 Comment
  CAS-BOT-BC67939  Dryopteris arguta Tim Ross; Orlando Mistretta 1993-5-27 7337 Los Angeles W end of San Gabriel Mtns: Wilson Canyon, San Fernando 7.5' USGS quadrangle. 621 Comment
  CDA4032  Colutea arborescens subsp. gallica T. S. Ross, Walter Appleby 1993-6-8 7373 Los Angeles Western San Gabriel Mountains: Bear Divide; off the west side of Little Tujunga Road, just east of the Forest Service Station Comment
  CDA4335  Trifolium hirtum T. S. Ross, Walter Appleby 1993-5-19 7167 Los Angeles Transverse Ranges: San Gabriel Mtns region; Western San Gabriel Mtns: ca.80 m S of Wilson Canyon Saddle along old loop road. Comment
  CDA7533  Lasiospermum bipinnatum T. S. Ross, Steve Boyd, S. Carlquist 1992-5-26 6427 Los Angeles Just south of the intersection of Mills Avenue x Mt. Baldy Road, Northern Claremont. Comment
  JEPS17962  Loeseliastrum matthewsii George B. Rossbach 1955-4-29 420 Los Angeles Rte. 138 near Littlerock 914 Comment
  NY37285  Lotus dendroideus var. traskiae T. S. Ross 1992-4-14 6158 Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY519452  Eupatorium adenophorum T. S. Ross 1992-5-17 6375 Los Angeles San Gabriel Mts: lower Shoemaker Canyon, draining to the E fork of the San Gabriel River and joining it at 2125 feet elevation 737.6 Comment
  NY643204  Asphodelus fistulosus T. S. Ross 1992-4-13 6137 Los Angeles San Clemente Island: North head of the island, on sandy NE-facing terrace off the E end of the active runway. 42.7 Comment
  NY820385  Solanum xanti T. S. Ross 1992-3-22 6049 Los Angeles San Monica Mountains: Triunfo Pass USGS 7.5' quad; W side of Yerba Buena Road ca. 360 m NNW of intersection with Mulholland Highway 488 Comment
  NY820485  Solanum xanti T. S. Ross 1990-6-8 2934 Los Angeles San Gabriel Mountains. Upper Big Tujunga Canyon: Ridge and slopes descending ±ENE from Thorn (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats) 1250 Comment
  NY820486  Solanum xanti T. S. Ross 1990-5-29 2673 Los Angeles San Gabriel Mountains. Big Pines Hwy, midway between Caldwell Lake and Big Rock Springs, on the NE side of the knoll behind which Shoemaker Canyon turns to the NW 1402 Comment
  OBI70652  Lupinus succulentus Tim Ross 1991-3-9 4180 Los Angeles Whittier Hills (Puente Hills, pro parte) SE side of ridgetop knoll, head of Oak Cyn; T2S R11W; center of NW/4 sect 14 369 Comment
  RSA0010844  Eucalyptus camaldulensis Tim S. Ross, W. Appleby 1993-6-7 7366 Los Angeles W end of the San Gabriel Mtns: Draw draining SW from May Canyon Saddle. 1085 Comment
  RSA0011166  Juglans californica var. californica Tim S. Ross, Walter Appleby 1993-5-20 7190 Los Angeles Western San Gabriel Mts.: vicinity of Wilson Canyon Saddle. 948 Comment
  RSA0011167  Juglans californica Tim S. Ross, Annette Ross 1991-3-7 4152 Los Angeles Elephant Hill: Western Pomona. Sec. 26 (projected) 335 Comment
  RSA0011175  Juglans californica var. californica Tim S. Ross, Steve D. Boyd 1990-5-29 2704 Los Angeles San Gabriel Mts.: Big Rock Creek. Empty, gutted cabin on E side of riparian strip, just upstream from the Gaging staton. 1236 Comment
  RSA0011695  Elaeagnus angustifolia T. S. Ross, Steve Boyd, Peter Fritsch 1990-6-11 3336 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon. 1255 Comment
  RSA0016261  Gilia ochroleuca subsp. bizonata T. S. Ross, S. D. Boyd 1994-6-23 8051 Los Angeles Sawmill Mountain: 5514-ft summit and immediately adjacent slopes. 1665 Comment
  RSA0016884  Umbellularia californica T. S. Ross, Orlando Mistretta 1993-5-26 7304 Los Angeles W end of the San Gabriel Mts: near head of upper E Fk Wilson Canyon just S of Lupine Saddle , ca 2100 ft ESE of Wilson Canyon Saddle. 869 Comment
  RSA0019998  Bromus tectorum Timothy S. Ross, Steve Boyd 1990-5-14 2470 Los Angeles Angeles National Forest: Yerba Buena Ridge Tujunga Ranger District 1128 Comment
  RSA0025879  Abronia umbellata Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5098 Los Angeles San Clemente Island: North Head; WNW of the new landing field. 15 Comment
  RSA0030029  Delphinium patens subsp. montanum Tim S. Ross 1993-5-16 7148 Los Angeles Glendora Ridge Road on the divide between San Dimas Canyon and Cow Canyon. 1329 Comment
  RSA0039172  Thysanocarpus desertorum Timothy S. Ross, Steve Boyd 1991-3-23 4244 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, west of Lovejoy Springs (destroyed by development). 851 Comment
  RSA0041685  Thysanocarpus laciniatus Timothy S. Ross, S. D. Boyd 1990-5-17 2589 Los Angeles San Gabriel Mountains, Angeles National Forest: Mill Creek Tree Plantation, Tujunga District. 1613 Comment
  RSA0041688  Thysanocarpus laciniatus Tim Ross, Steve Boyd, Laurel Arnseth 1991-4-30 4971 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  RSA0041742  Smilacina stellata Timothy S. Ross 1990-8-17 3176 Los Angeles San Gabriel Mountains: S side of Prairie Fork, in the vicinity of Columbine Spring. 2182 Comment
  RSA0041745  Epilobium angustifolium subsp. circumvagum Tim S. Ross 1990-8-17 3177 Los Angeles San Gabriel Mountains: S side of Prairie Fork, in the vicinity of Columbine Spring. 2183 Comment
  RSA0041856  Thysanocarpus curvipes var. curvipes Timothy S. Ross, Steve Boyd 1994-5-4 7660 b Los Angeles Northeast summit of Grass Mountain: north slopes draining towards Elizabeth Lake; south slopes towards Green Valley. 1383 Comment
  RSA0057604  Thysanocarpus desertorum Tim Ross, Steve Boyd, Laurel Arnseth 1991-4-30 4968 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  RSA0059153  Orobanche bulbosa Tim Ross, Steve D. Boyd 1990-5-14 2477 Los Angeles Yerba Buena Ridge, Angeles National Forest, Tujunga ranger District. 1110 Comment
  RSA0059664  Cirsium occidentale var. occidentale Timothy S. Ross, Steve Boyd 1990-5-14 2504 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Agles National Forest, Tujunga Ranger District. 1130 Comment
  RSA0059675  Cirsium occidentale var. venustum Tim Ross, Orlando Mistretta, Alex Quici 1990-6-28 3980 Los Angeles Liebre Mtn: southerly slope to the S and SW of the West Summit and ridge to its W., West Summit here construed as the 5605-foot knoll nr the intersection of sections 3, 4, 9, 10. 1389 Comment
  RSA0062901  Pentagramma triangularis T. S. Ross 1991-5-23 5484 Los Angeles San Clemente Island: lower Tota Canyon, middle of island, eastern escarpment. 39 Comment
  RSA0062902  Pentagramma triangularis T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5285 Los Angeles San Clemente Island. Westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']). Upper portion of drainage. 305 Comment
  RSA0066312  Pentagramma triangularis T. S. Ross, Steve Boyd 1990-5-14 2506 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1024 Comment
  RSA0070684  Cirsium occidentale var. californicum Timothy S. Ross, Peter W. Fritsch 1990-6-20 3676 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon. 1256 Comment
  RSA0072476  Heteromeles arbutifolia Tim S. Ross 1991-5-21 5403 Los Angeles San Clemente Island. E fork of Box Canyon near junction with westerly fork. 451 Comment
  RSA0074413  Heterotheca grandiflora Timothy S. Ross 1991-5-20 5365 Los Angeles San Clemente Island: North third, upper S branch of unnamed drainage that empties to sea just N of Jack Point lighthouse. 168 Comment
  RSA0074442  Heterotheca grandiflora Timothy S. Ross 1991-2-23 4099 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon on slope dropping WNW from Turnbull Canyon Road x Skyline Drive. 293 Comment
  RSA0076172  Orobanche bulbosa Timothy S. Ross, Steve Boyd 1990-5-23 2628 Los Angeles Mt. Gleason area: north-northwesterly ridge descending from Messenger Peak (6015 ft), on the watershed divide between Mill Canyon and Moody Canyon. 1524 Comment
  RSA0076595  Orobanche fasciculata Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2907 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  RSA0078913  Cryptantha muricata var. muricata T. S. Ross, Steve D. Boyd 1990-5-23 2615 Los Angeles Mt. Gleason area: north-northwesterly ridge decending from Messenger Peak (6015 ft) near the headwaters of Mill canyon and Moody Canyon. San Gabriel Mountains. 1720 Comment
  RSA0079238  Cryptantha muricata var. denticulata T. S. Ross, Steve D. Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3772 Los Angeles San Gabriel Mountains. Natural depression SSW of Crystal Lake 1692 Comment
  RSA0079561  Cryptantha muricata var. jonesii Tim Ross, Steve Boyd 1990-6-6 2854 Los Angeles Green Valley Pasture (in San Francisquito Canyon). 926 Comment
  RSA0081013  Leptosiphon parviflorus Timothy S. Ross, Steve Boyd 1994-5-25 7895 Los Angeles West Summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersection of sections 3, 4, 9, & 10. 1684 Comment
  RSA0089650  Amsinckia intermedia Tim Ross 1991-4-21 4547 Los Angeles Whittier Hills (Puente Hills, pro parte): ridgetop between Turnbull and Sycamore Canyons. 320 Comment
  RSA0091449  Amsinckia tessellata var. tessellata Tim Ross 1991-4-28 4771 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 927 Comment
  RSA0098534  Spergularia marina Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 516 Los Angeles San Clemente Island, above Nots Pier on road near the top of the eastern escarpment, 1400 ft NNW of the 553 ft BM. 139 Comment
  RSA0104345  Eriastrum densifolium subsp. austromontanum T. S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4043 Los Angeles San Gabriel Mountains: NNE of Tiw Summit Station and E of Angeles Forest hwy. Tujunga Ranger District, Angeles National Forest. 1558 Comment
  RSA0105322  Lomatium lucidum T. S. Ross, Walter Appleby 1993-5-19 7174 Los Angeles Western San Gabriel Mountains: Long SSE-trending ridge S of Wilson Canyon Saddle. 948 Comment
  RSA0107788  Eriastrum densifolium subsp. elongatum T. S. Ross, S. D. Boyd 1994-7-7 8172 Los Angeles South base of Liebre Mountain: ca. 960 m N of the Kelly Ranch inholding (USFS map, 1958; Knapp Ranch, Angeles Nat'l Forest map, 1982). 1094 Comment
  RSA0107950  Eriastrum densifolium subsp. austromontanum T. S. Ross 1991-8-16 5860 Los Angeles San Gabriel Mountains, Horse Flats. 1721 Comment
  RSA0121641  Vitis girdiana Tim S. Ross 1991-4-21 4561 Los Angeles Whittier Hills (Puente Hills, pro parte): Lower Turnbull Canyon drainage. 177 Comment
  RSA373561  Asclepias fascicularis Tim Ross 1992-6-15 6584 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills) knoll at the head of the S fork of Sycamore Canyon 372 Comment
  RSA502797  Salpichroa origanifolia Tim S. Ross, Steve D. Boyd 1989-6-27 s.n. Los Angeles RSA desert garden. Comment
  RSA517108  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1990-5-14 2463 Los Angeles San Gabriel Mts.: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1155 Comment
  RSA517112  Solanum umbelliferum Tim S. Ross, Steve D. Boyd 1990-5-14 2467 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1049 Comment
  RSA517127  Dryopteris arguta Tim Ross, Steve Boyd 1990-5-14 2500 Los Angeles Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District 988 Comment
  RSA517136  Mimulus brevipes Tim S. Ross, S. D. Boyd 1990-5-14 2491 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1149 Comment
  RSA517146  Scrophularia californica subsp. floribunda Tim S. Ross, Steve D. Boyd 1990-5-14 2482 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1146 Comment
  RSA517149  Microseris lindleyi Timothy S. Ross, Steve Boyd 1990-5-14 2479 Los Angeles San Gabriel Mtns: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1107 Comment
  RSA517176  Juncus rugulosus Timothy S. Ross, Orlando Mistretta 1990-10-16 3279 Los Angeles San Gabriel Mountains: Mt Baldy Ranger District, Angeles National forest. Cape Horn Canyon. 671 Comment
  RSA522328  Eriogonum baileyi var. baileyi Tim S. Ross, Orlando Mistretta 1990-10-3 3285 Los Angeles San Gabriel Mountains: ca. 0.6 km ESE of Tie Summit Station. 1567 Comment
  RSA522331  Erigeron foliosus var. foliosus Timothy S. Ross, Orlando Mistretta, Peter W. Fritsch 1990-7-10 4032 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District. Westerly drainage that meets Tie Canyon. 1524 Comment
  RSA522333  Galium angustifolium subsp. angustifolium Tim S. Ross, Orlando Mistretta, Peter W. Fritsch 1990-7-10 4030 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District. Westerly drainage that meets Tie Canyon. 1524 Comment
  RSA522454  Carex alma Timothy S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4050 Los Angeles Tujunga Ranger District, NE of summit of Tie Summit Station and E of Angeles Forest Hwy. 1463 Comment
  RSA522930  Adiantum capillus-veneris T. S. Ross, Orlando Mistretta 1990-10-24 3291 Los Angeles San Gabriel Mountains: Cape Horn Management Area, Angeles National Forest. Shaded seepage in lower Cape Horn Canyon 549 Comment
  RSA522958  Amaranthus blitoides T. S. Ross, Orlando Mistretta 1990-10-26 3326 Los Angeles E. fork San Gabriel River ca 4/10 air-mile SE of the mouth of Williams Canyon; southern shoulder of Glendora Mountain Road. 536 Comment
  RSA523166  Galium angustifolium subsp. angustifolium Tim S. Ross 1991-2-23 4102 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon ca. 1/5 air-mile WNW of Turnbull Canyon Rd x Skyline Drive. 308 Comment
  RSA523171  Silybum marianum Timothy S. Ross 1991-2-23 4116 Los Angeles Whittier Hills (Puente Hills), upper Turnbull Canyon, 1/4 air mile W of Turnbull Canyon road x Skyline Drive in heavily disturbed drainage area. 252 Comment
  RSA523173  Eschscholzia californica var. peninsularis Tim S. Ross 1991-2-23 4107 Los Angeles Whittier Hills (Puente Hills), upper Turnbull Canyon, 1/4 air mile W of Turnbull Canyon road x Skyline Drive in heavily disturbed drainage area. 252 Comment
  RSA524195  Erysimum capitatum var. capitatum Timothy S. Ross, Steve Boyd 1990-6-6 2888 Los Angeles Piru Pond: Los Padres National Forest. 645 Comment
  RSA526579  Eucrypta chrysanthemifolia Tim S. Ross 1991-3-24 4311 Los Angeles Whittier Hills. 311 Comment
  RSA526585  Pellaea andromedifolia var. andromedifolia T. S. Ross 1991-3-24 4297 Los Angeles Whittier Hills (Puente Hills, pro parte). 341 Comment
  RSA526588  Gilia angelensis T. S. Ross 1991-3-24 4292 Los Angeles Whittier Hills (Puente Hills, pro parte): Ridge and steep westerly slope above small canyon that drains northward to Turnbull Canyon from NW side of Workman Hill. 360 Comment
  RSA527658  Trifolium microcephalum Tim S. Ross, L. Arnseth 1990-4-8 4379 Los Angeles San clemente Island. E side of island, near Malo Point, third cyn S of Bryce Cyn. Comment
  RSA527699  Centaurea melitensis Timothy S. Ross, Annette Ross 1991-6-3 5517 Los Angeles Elephant Hill: West Pomona 230 Comment
  RSA527701  Silybum marianum Timothy S. Ross, Annette Ross 1991-6-3 5524 Los Angeles Elephant Hill: West Pomona 230 Comment
  RSA527705  Viola pedunculata Tim S. Ross, Annette Ross 1991-3-7 4146 Los Angeles Elephant Hill: western Pomona. 280 Comment
  RSA527796  Chlorogalum pomeridianum Timothy S. Ross, Annette H. Ross 1991-6-3 5527 Los Angeles Elephant Hill: W Pomona. 287 Comment
  RSA527799  Astragalus gambelianus T. S. Ross, Annette Ross 1991-6-3 5545 Los Angeles Elephant Hill : west Pomona. 274 Comment
  RSA527816  Claytonia parviflora subsp. parviflora Timothy S. Ross, Steve Boyd, Laurel Arnseth 1991-4-30 4977 Los Angeles Soledad Canyon Wash between Acton and Paris. 835 Comment
  RSA527825  Claytonia parviflora subsp. viridis Timothy S. Ross, Steve Boyd 1990-6-18 3453 Los Angeles San Gabriel Mountains: Angeles National Forest. Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1877 Comment
  RSA527828  Claytonia perfoliata subsp. intermontana Timothy S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3932 Los Angeles Liebre Mtn: N slope, between Horse Camp Canyon and Cow Spring Canyon. 1479 Comment
  RSA529154  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1991-7-24 5616 Los Angeles Granite Mountain vicinity: ridge NNE of Granite Mountain. 1875 Comment
  RSA529192  Castilleja applegatei subsp. martinii Tim S. Ross, Steve D. Boyd 1991-7-24 5660 Los Angeles Granite Mountain. San Gabriel Mountain Range. 1936 Comment
  RSA529209  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1991-7-24 5609 Los Angeles Granite Mountain vicinity: ridge NNE of G.M. 1893 Comment
  RSA529214  Eriogonum saxatile Tim S. Ross, S. D. Boyd 1991-7-24 5622 Los Angeles San Gabriel Mountains, Granite Mountain vicinity: ridge NNE of Granite Mountain. 1866 Comment
  RSA529287  Polypodium californicum T. S. Ross 1991-4-8 4468 Los Angeles Elephant Hill: western Pomona., Range of site elevation: ca 750-1165 ft. 311 Comment
  RSA529295  Erodium moschatum Tim S. Ross 1991-4-8 4455 Los Angeles Elephant Hill: western Pomona. 229 Comment
  RSA529300  Phacelia cicutaria var. hispida Tim S. Ross 1991-4-8 4459 Los Angeles Elephant Hill: Western Pomona. 229 Comment
  RSA529309  Calandrinia ciliata Timothy S. Ross 1991-4-8 4464 Los Angeles Elephant Hill: Western Pomona. 229 Comment
  RSA529310  Gilia angelensis T. S. Ross 1991-4-8 4454 Los Angeles Elephant Hill: western Pomona 229 Comment
  RSA529895  Chenopodium botrys T. S. Ross 1991-8-16 5801 Los Angeles Big Tujunga Canyon, 1/5 mile due E of the confluence of Lucas Creek; Angeles Forest Highway. 918 Comment
  RSA529901  Artemisia dracunculus Timothy S. Ross 1991-8-16 5809 Los Angeles along Angeles Crest Hwy., 1/5 mile from Mt. Sally summit 1524 Comment
  RSA529903  Foeniculum vulgare T. S. Ross 1991-8-16 5810 Los Angeles along Angeles Crest Hwy., 1/5 mile from Mt. Sally summit 1524 Comment
  RSA532656  Juncus macrophyllus Timothy S. Ross 1991-8-14 5775 Los Angeles Roundtop Mountain 1723 Comment
  RSA532659  Argemone munita Tim S. Ross 1991-8-14 5759 -B Los Angeles Roundtop Mountain. 1878 Comment
  RSA532660  Boechera californica Timothy S. Ross 1991-8-14 5758 Los Angeles Roundtop Mountain. 1878 Comment
  RSA533413  Eucrypta chrysanthemifolia var. chrysanthemifolia Tim S. Ross 1991-4-21 4522 Los Angeles Whittier Hills (Puente Hills, pro parte): Middle Turnbull Canyon drainage just SW of Old Water Tank. 220 Comment
  RSA533420  Plantago major Tim S. Ross 1991-4-21 4529 Los Angeles Whittier Hills (Puente Hills, Proparte) Middle Turnbull Canyon, vicinity of old water tank. 229 Comment
  RSA533429  Matricaria matricarioides Timothy S. Ross 1991-4-21 4520 Los Angeles Whittier Hills (puente Hills, pro parte): Middle Turnbull Canyon drainage just SW of Old Water Tank. 220 Comment
  RSA533434  Lupinus succulentus Tim S. Ross 1991-4-21 4515 Los Angeles Whittier Hills (Puente Hills, proparte) Middle Turnbull Canyon drainage just SW of Old water tank. 220 Comment
  RSA533437  Pholistoma auritum Tim S. Ross 1991-4-21 4512 Los Angeles Whittier Hills (Puente Hills, pro parte): Middle Turnbull Canyon drainage just SW of Old Water Tank. 220 Comment
  RSA533444  Melilotus indicus Tim S. Ross 1991-4-21 4505 Los Angeles Whittier Hills (Puente Hills, pro parte), Skyline Drive at the head of Turnbull. 323 Comment
  RSA533447  Filago californica Timothy S. Ross 1991-4-21 4537 Los Angeles Whittier Hills ( Puente Hills, pro parte) Middle Turnbull Canyon, ridgetop on N side, 1000 ft. NW of the old water tank. 280 Comment
  RSA533452  Crassula connata var. erectoides Tim Ross 1991-4-21 4542 Los Angeles Whittier Hills (Puente Hills, pro parte): ridge on N side of Turnbull Canyon 305 Comment
  RSA533453  Silene gallica Timothy S. Ross 1991-4-21 4543 Los Angeles Whittier Hills (Puente Hills, pro parte): Ridge on N side of Turnbull Canyon 305 Comment
  RSA533461  Cerastium glomeratum Timothy S. Ross 1991-4-21 4511 Los Angeles Whittier Hills (Puente Hills, pro parte), ridgetop between Turnbull and Sycamore Canyons. 320 Comment
  RSA533462  Lamium amplexicaule Tim S. Ross 1991-4-21 4552 Los Angeles Whittier Hills (Puente Hills, pro parte), ridgetop between Turnbull and Sycamore Canyons. 320 Comment
  RSA533463  Stellaria media Timothy S. Ross 1991-4-21 4553 Los Angeles Whittier Hills (Puente Hills, pro parte), ridgetop between Turnbull and Sycamore Canyons. 320 Comment
  RSA533488  Urtica urens Tim S. Ross 1991-3-9 4176 Los Angeles Whittier hills: NE slope at head of Oak Canyon. Area recently burned. 335 Comment
  RSA533494  Parietaria hespera var. hespera Tim S. Ross 1991-4-21 4500 Los Angeles Whittier Hills(Puente Hills, pro parte): Turnbull Canyon drainage near mouth of the Turnbull Canyon. 154 Comment
  RSA533497  Lotus strigosus var. strigosus T. S. Ross 1991-3-9 4195 Los Angeles Whittier Hills: (Puente Hills, pro parte): head of unnamed ENE-draining canyon. 290 Comment
  RSA533500  Lotus salsuginosus var. salsuginosus T. S. Ross 1991-3-9 4202 Los Angeles Whittier Hills: (Puente Hills, pro parte): head of unnamed ENE-draining canyon. 290 Comment
  RSA533894  Trifolium depauperatum var. truncatum Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5158 Los Angeles San Clemente Island: 950 ft WNW of Stone at the beginning of the Stone Canyon drainage. 442 Comment
  RSA533914  Callitriche marginata T. S. Ross 1991-5-18 5187 Los Angeles San Clemente Island: Twin Dams; shallow pond at the westerly of the two earthen dams, and mesic inlet draw 474 Comment
  RSA533917  Psilocarphus brevissimus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5184 Los Angeles San Clemente Island: Twin Dams, shallow pond at the westerly of two earthen dams, and mesic inlet draw 474 Comment
  RSA533921  Chenopodium californicum T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5240 Los Angeles San Clemente Island: Southeast end of island; first un-named canyon S of Snake Cactus Canyon (drainage beginning 1420 feet due W of Guds) 152 Comment
  RSA533922  Pterostegia drymarioides Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5239 Los Angeles San Clemente Island, westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']) Upper portion of drainage. 274 Comment
  RSA533923  Daucus pusillus T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5238 Los Angeles San Clemente Island: Southeast end of island; first un-named canyon S of Snake Cactus Canyon (drainage beginning 1420 feet due W of Guds) 152 Comment
  RSA533935  Stylocline gnaphaloides Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5223 Los Angeles San Clemente Island; SE end of island in the vicinity of Knob, 5100 ft NW of Guds. About 250 feet SSE of Knob, approaching Knob Canyon 282 Comment
  RSA533941  Cheilanthes newberryi T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5221 Los Angeles San Clemente Island. South-east end of island in the vicinity of Knob, 5100 feet NW of Guds. 271 Comment
  RSA533943  Filago arizonica Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5218 Los Angeles San Clemente Island: SE end of island vicinity of Knob, 5100ft NW of Guds, Southeasterly draw leading into upper Knob Canyon 252 Comment
  RSA533945  Stylocline gnaphaloides Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5194 Los Angeles San Clemente Island: 1300ft NNW of Guds (888') marker. 241 Comment
  RSA533948  Plantago ovata var. insularis Tim S. Ross, Orlando Mistretta, M. Hammit 1991-5-18 5207 Los Angeles San Clemente Island: 1300 feet NNW of Gud (888') marker. 241 Comment
  RSA533956  Trifolium willdenovii Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5206 b Los Angeles San Clemente Island: 1300ft NNW of Guds (888) marker. 241 Comment
  RSA533960  Microseris lindleyi Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5195 Los Angeles San Clemente Island: 1300ft NNW of Guds (888') marker. 241 Comment
  RSA533966  Lupinus truncatus Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5204 Los Angeles San Clemente Island: 1300 feet NNW of Gud (888') marker. 241 Comment
  RSA533971  Cerastium glomeratum Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5178 Los Angeles San Clemente Island: 1100 ft. SSW of Twin Dams, 1450 ft. NNW of Boulder Marker (1859 ) 491 Comment
  RSA533972  Linaria canadensis var. texana Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5181 Los Angeles San Clemente Island: 950 ft WNW of Stone at the begining of the Stone Canyon drainage. 442 Comment
  RSA533973  Calandrinia ciliata Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5177 Los Angeles San Clemente Island: SSW of Twin Dams, 1450 ft. NNW of Boulder marker (1859 ). 491 Comment
  RSA533995  Daucus pusillus T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5131 Los Angeles San Clemente Island: eastern escarpment, 1400 ft SSE of Jack (not Jack Point), and1350 ft. NW of the mouth of Larkspur Canyon 144 Comment
  RSA533998  Silene gallica Timothy S. Ross 1991-5-17 5126 Los Angeles San Clemente Island, eastern escarpment, 1400 ft. SSE of Jack (not Jack Point), and 1350 ft. NW of the mouth of Larkspur Canyon. 145 Comment
  RSA534001  Chenopodium murale T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5125 Los Angeles San Clemente Island, eastern escarpment, 1400 ft. SSE of Jack (not Jack Point), and 1350 ft. NW of the mouth of Larkspur Canyon. 145 Comment
  RSA534002  Cryptantha intermedia Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5132 Los Angeles San Clemente Island: eastern escarpment, 1400 ft. SSE of Jack (not Jack Point), and 1350 ft. NW of the mouth of Larkspur Canyon. 145 Comment
  RSA534003  Amsinckia intermedia Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5118 Los Angeles San Clemente Island: eastern escarpment, 1400 ft. SSE of Jack (not Jack Point), and 1350 ft. NW of the mouth of Larkspur Canyon. 145 Comment
  RSA534020  Sonchus oleraceus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5308 Los Angeles San Clemente Island: Westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']). Beginning of drainage. 389 Comment
  RSA534026  Lupinus truncatus Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5273 Los Angeles San Clemente Island: Westerly fork of Near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest (1336) marker, 1800ft SE of Malo Knoll (1396) 305 Comment
  RSA534029  Chenopodium californicum T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5283 Los Angeles San Clemente Island, westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']) Upper portion of drainage 305 Comment
  RSA534034  Bowlesia incana Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5279 Los Angeles San Clemente Island. Westerly fork of Near-Death Canyon, draining to Mosquito Cove(drainage beginning 800 ft. N of Rest 1336 marker; 1800 ft SE of Malo Knoll (1396 ). Upper portion of drainage. 305 Comment
  RSA534037  Polypodium californicum T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5282 Los Angeles San Clemente Island. Westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']). Upper portion of drainage. 305 Comment
  RSA534047  Centaurea melitensis Timothy S. Ross, Orlando Mistretta 1991-5-19 5271 Los Angeles San Clemente Island. Westerly fork of Near-Death Canyon, draining to Mosquito Cove. 1800 ft SE of Malo Knoll 426 Comment
  RSA534053  Filago californica Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5300 Los Angeles San Clemente Island: Westerly fork of Near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest 1336ft marker, 1800ft SE of Malo Knoll (1396ft). 274 Comment
  RSA534061  Leptosiphon bicolor T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5258 Los Angeles San Clemente Island: westerly fork of Near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest (1336') marker, 1800ft SE of Malo Knoll (1396')) Beginning of drainage. 386 Comment
  RSA534062  Sanicula arguta T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5260 -a Los Angeles San Clemente Island: westerly fork of Near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest (1336 ) marker, 1800ft SE of Malo Knoll (1396 )) Beginning of drainage. 386 Comment
  RSA534063  Cryptantha intermedia Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5263 Los Angeles San Clemente Island. Westerly fork of Near-Death Canyon, draining to Mosquito Cove(drainage beginning 800 ft. N of Rest 1336 marker; 1800 ft SE of Malo Knoll (1396 ). Upper portion of drainage. 384 Comment
  RSA534070  Allium praecox Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5267 Los Angeles San Clemente Island, westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336 ] marker; 1800 ft SE of Malo Knoll [1396 ]. Upper portion of drainage 313 Comment
  RSA534076  Lupinus agardhianus T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5251 Los Angeles San Clemente Island, westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']) Upper portion of drainage 305 Comment
  RSA534112  Herniaria hirsuta subsp. cinerea Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5093 Los Angeles San Clemente Island, N Head, WNW of the new Landing field 15 Comment
  RSA534124  Atriplex watsonii T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5088 Los Angeles San Clemente Island, west Cove, SW of the new landing field 6 Comment
  RSA534130  Amblyopappus pusillus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5091 Los Angeles San Clemente Island. Sand dunes of coastal terrace at West Cove, SW of the new landing field. 6 Comment
  RSA534137  Silene gallica Timothy S. Ross 1991-5-17 5062 Los Angeles San Clemente Island: Lower Wilson Cove Canyon; bouldery, rocky draw SW of and above pier operations. 15 Comment
  RSA535281  Filago californica Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5321 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  RSA535282  Filago arizonica Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5326 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  RSA535290  Trifolium depauperatum var. amplectens Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5332 Los Angeles San Clemente Island: un-named knoll ca 5500 ft. S of Wilson Cove Settlement; westerly slope 2500 ft NW of the 750' BM 186 Comment
  RSA535305  Microseris lindleyi Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5318 Los Angeles San Clemente Island: W side, terrace flats betw Box and Horse Canyons, area having burned within previous two years 488 Comment
  RSA535308  Silene gallica Timothy S. Ross 1991-5-21 5377 Los Angeles San Clemente Island: recent burn between Box and Horse Canyons; 1.2 - 1.25 miles SSW from north-south axis road seperating just NW of Thirst. (just NE of small knoll). 483 Comment
  RSA535311  Hypochaeris glabra Timothy S. Ross 1991-5-21 5374 Los Angeles San Clemente Island: recent burn betw Box and Horse Canyons, 1.2-1.25miles SSW from NS axis road separating just NW of thirst. (just NE of small knoll) 483 Comment
  RSA535324  Atriplex semibaccata T. S. Ross 1991-5-20 5355 Los Angeles San Clemente Island: Un-named knoll ca 5100 feet S of Wilson Cove Settlement; gradual northerly slope 2750 NNW of the 750 BM. 218 Comment
  RSA535330  Melilotus indicus Tim S. Ross 1991-5-20 5356 Los Angeles San Clemente Island: Un-named knoll ca 5100 feet S of Wilson Cove Settlement; gradual northerly slope 2750 NNW of the 750 BM. 218 Comment
  RSA535336  Polypodium californicum T. S. Ross 1991-5-21 5396 Los Angeles San Clemente Island: upper easterly branch of Box Canyon 457