Search Results — 2000 specimen records retrieved (1697 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=ORANGE; Source=All; Collector=Roberts;   

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

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  IRVC1638  Cryptantha microstachys Fred M. Roberts 1985-4-8 1638 Orange San Joaquin Hills, Turtle Rock area, hill 1.1km SE French Hill, Irvine 196 Comment
  IRVC18898  Asclepias fascicularis Fred M. Roberts 1981-6-22 281 Orange Hwy 74, 5.2km ENE San Juan Capistrano, Rancho Mission Viejo 100 Comment
  IRVC20018  Grindelia camporum var. bracteosa Fred M. Roberts 1981-6-20 276 Orange 0.7km ENE Dana Hills High School, Dana Point 76 Comment
  IRVC20225  Bidens pilosa Fred M. Roberts, K. G. Marsh 1982-10-18 834 Orange Temple Hill, east margin of Top of the World School, Laguna Beach 295 Comment
  IRVC20310  Draba cuneifolia var. integrifolia Fred M. Roberts, Karlin G. Marsh 1983-2-25 869 Orange Temple Hill; ridge above upper Rancho Laguna Cyn, 1.6km SSW Top of the World Sch., 2.0km NNE Goff Island. Southern Coastal 269 Comment
  IRVC20319  Symphoricarpos mollis Fred M. Roberts 1983-1-19 855 Orange Park Canyon, west flank Temple Hill, along Park Ave., 1.3km NE Thurston Sch.; 1.7km SE Bench Mark 104, Laguna Beach 194 Comment
  IRVC20324  Polypodium californicum Fred M. Roberts 1982-12-10 848 Orange Laguna Beach: Upper Park Canyon, west flank of Temple Hill, 1.8km NEof Thurston School, 0.8km WNW of Top of the World School. Southern Coastal 240 Comment
  IRVC20345  Lupinus truncatus Fred M. Roberts 1983-3-10 892 Orange Dana Point Headlands: S of Scenic Drive, 0.3km W Dana Point Harbor; 0.8km S Richard Henry Dana School. Southern Coastal 60 Comment
  IRVC20354  Polypodium californicum Fred M. Roberts 1983-3-10 880 Orange Dana Point headlands: south of old cove road on cliff at west margin of Dana Point Harbor; 0.8km s of Richard Henry Dana School. Southern Coastal 50 Comment
  IRVC20363  Cheilanthes newberryi Fred M. Roberts, D. A. Roberts 1983-3-22 936 Orange San Juan Canyon, above Hwy 74, 2.7km ENE San Juan Guard Sta.; 3.6km SSW Sugar Loaf Pk., Santa Ana Mountains 407 Comment
  IRVC20364  Pellaea mucronata var. mucronata Fred M. Roberts, D. A. Roberts 1983-3-22 935 Orange San Juan Canyon, above Hwy 74, 2.7km ENE San Juan Guard Sta.; 3.6km SSW Sugar Loaf Pk., Santa Ana Mountains 407 Comment
  IRVC20365  Lasthenia californica Fred M. Roberts, D. A. Roberts 1983-3-22 933 Orange San Juan Canyon, above Hwy 74, 2.7km ENE San Juan Guard Sta.; 3.6km SSW Sugar Loaf Pk., Santa Ana Mountains 407 Comment
  IRVC20371  Barbarea orthoceras D. A. Roberts 1983-3-22 3024 Orange San Juan Canyon, Calif. Rte. 74, south side, 4.3km by road E San Juan Guard Station; 2.3km WNW Sitton Peak, Santa Ana Mountains 407 Comment
  IRVC20432  Comarostaphylis diversifolia var. diversifolia Fred M. Roberts 1983-4-7 977 Orange Niguel Hill, above Pacific Island Dr., 1.7km SE Aliso Peak, 3.0km SSW Alicia Fire Station, Laguna Niguel 239 Comment
  IRVC20439  Pentagramma triangularis subsp. triangularis Fred M. Roberts, K. G. Marsh 1983-5-26 1093 Orange Dana Point Headlands: 0.5km W Dana Point Harbor; 0.8km SSW Richard Henry Dana School Southern Coastal 82 Comment
  IRVC20467  Melilotus indicus Fred M. Roberts 1983-5-13 1059 Orange Dana Point Headlands; N of Scenic Dr., 0.5km W Dana Point Harbor; 0.7km SSW Richard Henry Dana School. Southern Coastal 79 Comment
  IRVC20494  Helianthemum scoparium var. vulgare Fred M. Roberts 1983-5-4 1029 Orange Temple Hill, Upper Rancho Laguna Canyon, 1.7km SSW Top of the World Sch.; 1.4km ENE Cactus Point, Laguna Beach 200 Comment
  IRVC20498  Azolla filiculoides Fred M. Roberts, M. L. Polek 1983-11-16 1149 Orange Upper Newport Back Bay, near Bayside Dr., 1.0km SSW Bayview School, 3.0km W UCI campus center, Newport Beach 2 Comment
  IRVC20503  Aster subulatus var. ligulatus Fred M. Roberts 1983-9-29 1137 Orange San Joaquin Freshwater Marsh, 1.9km NNW UCI campus center, Irvine 2 Comment
  IRVC20514  Monardella lanceolata Fred M. Roberts 1983-9-26 1121 Orange Lion Canyon, Chiquito Basin Trail, 3.3km NNE Lower San Juan Picnic Ground; 4.3km SSE Los Pinos Peak. Santa Ana Mountains 810 Comment
  IRVC20515  Dryopteris arguta Fred M. Roberts 1983-9-26 1120 Orange Lion Canyon, Chiquito Basin Trail, 3.3km NNE Lower San Juan Picnic Ground; 4.3km SSE Los Pinos Peak. Santa Ana Mountains 810 Comment
  IRVC20520  Horkelia cuneata subsp. puberula Fred M. Roberts 1983-9-26 1114 Orange Lion Canyon, Chiquito Basin Trail, 3.3km NNE Lower San Juan Picnic Ground; 4.3km SSE Los Pinos Peak. Santa Ana Mountains 810 Comment
  IRVC20775  Pinus coulteri Fred M. Roberts 1980-5-3 68 Orange Main Divide Truck Trail, 0.6km SE Trabuco Peak, Santa Ana Mountains 1259 Comment
  IRVC20780  Silene gallica Fred M. Roberts, S. L. Fritzke 1982-4-2 458 Orange hills, 3.5km ESE Aliso Peak; 3.2km ESE Alicia Fire Station, N of Del Avion, Laguna Niguel 100 Comment
  IRVC20782  Sanicula arguta Fred M. Roberts, S. L. Fritzke 1982-4-2 462 Orange hills, 3.5km ESE Aliso Peak; 3.2km ESE Alicia Fire Station, N of Del Avion, Laguna Niguel 100 Comment
  IRVC20784  Plagiobothrys collinus var. californicus Fred M. Roberts, S. L. Fritzke 1982-4-2 465 Orange hills, 3.5km ESE Aliso Peak; 3.2km ESE Alicia Fire Station, N of Del Avion, Laguna Niguel 100 Comment
  IRVC20787  Brassica nigra Fred M. Roberts, S. L. Fritzke 1982-4-2 468a,b,c Orange hills, 3.5km ESE Aliso Peak; 3.2km ESE Alicia Fire Station, N of Del Avion, Laguna Niguel 100 Comment
  IRVC20796  Schismus barbatus Fred M. Roberts, S. L. Fritzke 1982-4-3 504 Orange Dana Point Headlands: north of Dana Strand Road, 0.5km W Sana Point Harbor; 0.8km SSW Richard Henry Dana School. southern coastal 80 Comment
  IRVC20824  Quercus agrifolia var. agrifolia Fred M. Roberts 1982-7-25 784 Orange South Laguna; Niguel Hill, canyon on S flank; 0.9km ESE Aliso Peak; 1.1km NNW Bench Mark 133 Southern Coastal 195 Comment
  IRVC21234  Garrya flavescens Fred M. Roberts 1984-2-12 1180 Orange Santa Ana Mtns: 0.1km SW of Falcon Group Camp; 2.0km ESE Los Pinos Peak. Peninsular Ranges 1000 Comment
  IRVC21236  Arctostaphylos glandulosa subsp. glandulosa Fred M. Roberts 1984-2-12 1182 Orange Santa Ana Mtns: 0.1km SW of Falcon Group Camp; 2.0km ESE Los Pinos Peak. Peninsular Ranges 1000 Comment
  IRVC21281  Spartium junceum Fred M. Roberts 1984-3-15 1259 Orange Niguel Hill, at end of Sea Island Dr., 1.9km SE Aliso Peak, South Laguna 210 Comment
  IRVC21308  Baccharis pilularis subsp. consanguinea Fred M. Roberts 1983-12-9 1152 Orange UCI Ecological Preserve, 0.8km SSW campus center, Irvine 70 Comment
  IRVC21311  Stephanomeria virgata subsp. virgata Fred M. Roberts 1983-12-9 1153 Orange UCI Ecological Preserve, 0.8km SSW campus center, Irvine 70 Comment
  IRVC21320  Atriplex rosea Fred M. Roberts 1982-7-31 789 Orange 0.3km NNW Clemente Survey Mark; 1.2km NNE Civiv Center, San Clemente 220 Comment
  IRVC21322  Malacothrix saxatilis var. tenuifolia Fred M. Roberts 1982-7-30 786 Orange Niguel Hill, 0.9km ENE Aliso Peak, Laguna Niguel 260 Comment
  IRVC21607  Vicia sativa subsp. nigra Fred M. Roberts 1984-4-14 1326 Orange Chiquito Basin, San Juan Trail, 1.9km SW Blue Jay Camp Ground; 2.8km S Los Pinos Peak. Santa Ana Mountains 840 Comment
  IRVC21613  Comarostaphylis diversifolia var. diversifolia Fred M. Roberts 1984-3-31 1317 Orange Niguel Hill, 1.0km ENE Aliso Peak, 2.1km SW Alicia Fire Station, Laguna Niguel 275 Comment
  IRVC21616  Quercus engelmannii Fred M. Roberts, Kelly P. Steele 1984-4-20 1345 Orange Rancho Mission Viejo: Hwy 74 near mouth of Trampas Canyon; 8.7km by road E San Juan Capistrano Southern Coastal 90 Comment
  IRVC21628  Acer macrophyllum Fred M. Roberts, K. G. Marsh 1984-4-21 1348 Orange Santa Ana Mountains: Lost Women Canyon, 2.4km WSW Bald Peak; 2.3km SE Bedford Peak. Peninsular Ranges 755 Comment
  IRVC21678  Toxicodendron diversilobum Fred M. Roberts 1975-4-1 75 -30 Orange San Juan Canyon, 2.4km ENE San Juan Guard Station, Santa Ana Mountains 290 Comment
  IRVC21683  Calystegia macrostegia subsp. cyclostegia Fred M. Roberts 1975-4-7 75 -40 Orange 0.7km ESE Dana Hills High School, Dana Point 90 Comment
  IRVC21693  Convolvulus arvensis Fred M. Roberts 1984-8-2 1364 Orange UC Irvine, along Adobe Circle Raod, 0.9km ENE campus center; 2.3km W French Hill, Irvine 30 Comment
  IRVC21694  Lactuca serriola Fred M. Roberts 1984-8-2 1365 Orange UC Irvine, along Adobe Circle Raod, 0.9km ENE campus center; 2.3km W French Hill, Irvine 30 Comment
  IRVC21733  Croton californicus Fred M. Roberts, G. A. Marsh 1984-10-16 1421 Orange east bluff, Newport Back Bay, 3.6km W UCI campus center; 0.1km S Camp Survey Mark, Newport Beach 15 Comment
  IRVC21735  Chenopodium ambrosioides Fred M. Roberts 1984-10-18 1423 Orange San Juan Canyon, 2.5km ENE San Juan Guard Station; 4.0km WNW Sitton Peak, Santa Ana Mountains 310 Comment
  IRVC21737  Alnus rhombifolia Fred M. Roberts 1984-10-18 1425 Orange San Juan Canyon, 2.5km ENE San Juan Guard Station; 4.0km WNW Sitton Peak, Santa Ana Mountains 310 Comment
  IRVC21741  Ambrosia psilostachya var. californica Fred M. Roberts 1984-10-18 1429 Orange San Juan Canyon, 2.5km ENE San Juan Guard Station; 4.0km WNW Sitton Peak, Santa Ana Mountains 310 Comment
  IRVC21762  Croton californicus Fred M. Roberts 1984-11-27 1436 Orange Novia St. bridge over San Juan Creek, 0.6km S Bench Mark 133, San Juan Capistrano 31 Comment
  IRVC21770  Baccharis pilularis subsp. consanguinea Fred M. Roberts 1984-11-27 1442 Orange Novia St. bridge over San Juan Creek, 0.6km S Bench Mark 133, San Juan Capistrano 31 Comment
  IRVC21772  Chenopodium ambrosioides Fred M. Roberts 1984-11-27 1440 Orange Novia St. bridge over San Juan Creek, 0.6km S Bench Mark 133, San Juan Capistrano 31 Comment
  IRVC21773  Heterotheca grandiflora Fred M. Roberts 1984-11-27 1438 Orange Novia St. bridge over San Juan Creek, 0.6km S Bench Mark 133, San Juan Capistrano 31 Comment
  IRVC21785  Polypogon monspeliensis Fred M. Roberts 1985-2-25 1456 Orange Irvine: Irvine Ranch; east of MacArthur Blvd., 1.2km W UCI campus; 1.7km SE Bay View School. Southern Coastal 24 Comment
  IRVC21787  Schismus barbatus Fred M. Roberts 1985-2-25 1458 Orange Irvine: Irvine Ranch, east of MacArthur Blvd., 1.4km W UCI campus; 1.5km SE Bay View School. Southern Coastal 30 Comment
  IRVC21985  Schismus barbatus Fred M. Roberts, Gordon Marsh 1985-3-12 1530 Orange mesa west of Ave. Pico and north of El Camino Real, 3.2km SSE Coyote Bluff; 0.6km E Bench Mark 16 (sect. 32), San Clemente 37 Comment
  IRVC22008  Lotus strigosus var. strigosus Fred M. Roberts, Gordon Marsh 1985-3-12 1502 Orange mesa west of Ave. Pico and north of El Camino Real, 3.2km SSE Coyote Bluff; 0.6km E Bench Mark 16 (sect. 32), San Clemente 37 Comment
  IRVC22013  Lotus strigosus var. strigosus Fred M. Roberts, Gordon Marsh 1985-3-12 1507 Orange mesa west of Ave. Pico and north of El Camino Real, 3.2km SSE Coyote Bluff; 0.6km E Bench Mark 16 (sect. 32), San Clemente 37 Comment
  IRVC22034  Monardella hypoleuca subsp. hypoleuca Fred M. Roberts 1983-9-26 1128 Orange Lion Canyon, Chiquito Basin Trail, 3.5km NNE Lower San Juan Picnic Ground; 4.2km SSE Los Pinos Peak, Santa Ana Mountains 815 Comment
Read comments
Sep 18 2012
  IRVC22037  Filago californica Fred M. Roberts 1983-5-4 1028 Orange Temple Hill, Upper Rancho Laguna Canyon, 1.7km SSW Top of the World Sch.; 1.4km ENE Cactus Point, Laguna Beach 200 Comment
  IRVC22071  Layia platyglossa Fred M. Roberts, D. A. Roberts 1983-3-22 934 Orange San Juan Canyon, above Hwy 74, 2.7km ENE San Juan Guard Sta.; 3.6km SSW Sugar Loaf Pk., Santa Ana Mountains 407 Comment
  IRVC22073  Callitriche marginata Fred M. Roberts 1983-5-29 1101 Orange hills, 1.0km NNW Dana Hills High School; 1.6km NE Bench Mark 150, Dana Point 98 Comment
  IRVC22185  Sonchus asper Fred M. Roberts 1985-4-11 1644 Orange Dana Point Headlands; Weyerhaeuser Horticultural Research Station property. Southern Coastal 61 Comment
  IRVC22186  Raphanus raphanistrum Fred M. Roberts 1985-4-11 1645 Orange Dana Point Headlands; Weyerhaeuser Horticultural Research Station property. Southern Coastal 61 Comment
  IRVC22187  Cerastium fontanum subsp. vulgare Fred M. Roberts 1985-4-11 1646 Orange Dana Point Headlands; Weyerhaeuser Horticultural Research Station property. Southern Coastal 61 Comment
  IRVC22191  Tragopogon porrifolius Fred M. Roberts, M. R. Minette 1985-4-5 1629 Orange adjacent to 24661 La Cresta Dr., Dana Point 43 Comment
  IRVC22194  Cryptantha intermedia Fred M. Roberts 1985-4-8 1632 Orange San Joaquin Hills, Turtle Rock area, hill 1.1km SE French Hill, Irvine 196 Comment
  IRVC22198  Amsinckia menziesii var. intermedia Fred M. Roberts 1985-4-8 1636 Orange San Joaquin Hills, Turtle Rock area, hill 1.1km SE French Hill, Irvine 196 Comment
  IRVC22199  Plagiobothrys collinus var. fulvescens Fred M. Roberts 1985-4-8 1637 Orange San Joaquin Hills, Turtle Rock area, hill 1.1km SE French Hill, Irvine 196 Comment
  IRVC22205  Melilotus indicus Fred M. Roberts, G. A. Marsh 1985-4-3 1620 Orange Irvine; Irvine Ranch, 1.2km W UCI campus center. Southern Coastal 22 Comment
  IRVC22219  Lupinus bicolor subsp. umbellatus Fred M. Roberts, Gordon Marsh 1985-4-3 1611 Orange Irvine: Irvine Ranch, 1.2km W UCI campus center, Southern Coastal 24 Comment
  IRVC22220  Lupinus succulentus Fred M. Roberts, Gordon Marsh 1985-4-3 1612 Orange Irvine: Irvine Ranch, 1.2km W UCI campus center, Southern Coastal 24 Comment
  IRVC22485  Melilotus indicus Fred M. Roberts 1985-4-24 1651 Orange Laguna Beach: Laguna Canyon along Laguna Canyon Rd., 0.8km N jct. El Toro Rd. Southern Coastal 78 Comment
  IRVC22502  Polypodium californicum Fred M. Roberts 1985-5-1 1692 Orange Aliso Canyon, 2.1km NNE Aliso Peak, Aliso Viejo 67 Comment
  IRVC22517  Quercus agrifolia var. agrifolia Fred M. Roberts 1985-4-30 1677 Orange Laguna Beach: Temple Hill; at margin of "Dripping Springs Canyon"; 0.4km NNE Top of the World School. Southern Coastal 255 Comment
  IRVC22661  Poa scabrella Fred M. Roberts 1985-5-9 1722 Orange Santa Ana Mountains: Upper McVicker Canyon, 1.8km NE Los Pinos Peak. Peninsular Ranges 1113 Comment
  IRVC22667  Pseudotsuga macrocarpa Fred M. Roberts 1985-5-9 1728 Orange Santa Ana Mountains: Upper McVicker Canyon, 1.8km NE Los Pinos Peak. Peninsular Ranges 1113 Comment
  IRVC22677  Polypodium californicum Fred M. Roberts 1985-5-9 1739 Orange Santa Ana Mountains: Upper McVicker Canyon, 1.8km NE Los Pinos Peak. Peninsular Ranges 1113 Comment
  IRVC22697  Poa scabrella Fred M. Roberts 1985-5-9 1762 Orange Santa Ana Mountains: Upper McVicker Canyon, 1.8km NE Los Pinos Peak. Peninsular Ranges 1113 Comment
  IRVC22729  Senna multiglandulosa Fred M. Roberts 1985-5-13 1792 Orange South Laguna; Mouth of Aliso Canyon, 0.6km NW Aliso Peak, 6 Comment
  IRVC22730  Vicia sativa subsp. sativa Fred M. Roberts 1985-5-13 1791 Orange South Laguna; Mouth of Aliso Canyon, 0.6km NW Aliso Peak, 6 Comment
  IRVC22732  Astragalus trichopodus var. lonchus Fred M. Roberts 1985-5-13 1789 Orange South Laguna; Mouth of Aliso Canyon, 0.6km NW Aliso Peak, 6 Comment
  IRVC22733  Dudleya lanceolata Fred M. Roberts 1985-5-13 1788 Orange South Laguna; Mouth of Aliso Canyon, 0.6km NW Aliso Peak, 6 Comment
  IRVC22734  Malacothrix saxatilis var. tenuifolia Fred M. Roberts 1985-5-13 1787 Orange South Laguna; Mouth of Aliso Canyon, 0.6km NW Aliso Peak, 6 Comment
  IRVC22741  Phalaris aquatica Fred M. Roberts 1985-5-15 1802 Orange El Toro Canyon, El Toro Rd., 1.1km NE jct. Laguna Canyon Rd., Aliso Viejo 88 Comment
  IRVC22784  Acacia mearnsii Fred M. Roberts 1985-6-2 1839 Orange El Camino Real, 0.1km SE Beach Rd., Capistrano Beach 5 Comment
  IRVC22826  Equisetum laevigatum Fred M. Roberts 1985-6-7 1864 Orange Santa Ana Mtns: San Juan Canyon; Hwy 74, 2.6km SW Lower San Juan Picnic Ground Peninsular Ranges 290 Comment
  IRVC22852  Lupinus latifolius var. parishii Fred M. Roberts 1985-6-7 1884 Orange Viejo Canyon, 0.5km N Hwy. 74, 2.5km W Lower San Juan Picnic Ground. santa Ana Mountains 327 Comment
  IRVC22882  Frankenia salina Fred M. Roberts 1985-6-12 1891 Orange Laguna Niguel: Alicia Pkwy, 2.1km by road SW La Paz Rd., 1.0km W Sulphur Creek Reservoir. Southern Coastal 67 Comment
  IRVC23086  Sorghum halepense Fred M. Roberts 1985-6-25 1967 Orange Santiago Park, Santiago Creek at Valencia Street. Santa Ana Mountains 45 Comment
  IRVC23141  Polypogon interruptus Fred M. Roberts 1985-7-10 2006 Orange Capistrano Beach: San Juan Creek, 0.5km from the ocean, 0.2km N of Pacific Coast Highway. southern coastal 2 Comment
  IRVC23146  Amaranthus deflexus Fred M. Roberts 1985-7-11 2026 Orange San Joaquin Hills: Laguna Canyon, Laguna Canyon Road near Laguna Lakes, 5.0km ENE Signal Peak. southern coastal 112 Comment
  IRVC23156  Sorghum halepense Fred M. Roberts 1985-7-11 2016 Orange San Joaquin Hills: Laguna Canyon, Laguna Canyon Road near Laguna Lakes, 5.0km ENE Signal Peak. southern coastal 112 Comment
  IRVC23261  Azolla filiculoides Fred M. Roberts 1985-7-17 2029 Orange San Juan Capistrano: San Juan Creek at 405 Fwy bridge Southern Coastal 21 Comment
  IRVC23287  Salsola tragus Fred M. Roberts 1985-7-18 2055 Orange Temple Hill, Goff Ridge, 0.9km NE Goff Island off Nye Place Laguna Beach 168 Comment
  IRVC23290  Verbesina dissita Fred M. Roberts 1985-7-18 2052 Orange Temple Hill, Goff Ridge, 0.9km NE Goff Island off Nye Place Laguna Beach 168 Comment
  IRVC23313  Melilotus albus Fred M. Roberts 1985-7-23 2065 Orange Irvine; San Diego Creek between E Yale Loop and Jeffrey Rd. Southern Coastal 35 Comment
  IRVC23334  Quercus berberidifolia Fred M. Roberts 1981-11-15 452 Orange San Juan Canyon; N-side of Hwy 74; 0.3km SW Lower San Juan Picnic Ground Santa Ana Mountains 423 Comment
  IRVC23425  Quercus berberidifolia Fred M. Roberts 1983-10-9 1144 Orange Laguna Beach: Temple Hill; 1.2km NNW Top of the World School. Southern Coastal 310 Comment
  IRVC23426  Acer macrophyllum Fred M. Roberts 1985-7-26 2087 Orange Santa Ana Mtns: Upper trabuco Cyn, 1.3 km NE Los Pinos Pk. Peninsular Ranges 1225 Comment
  IRVC23909  Dryopteris arguta Fred M. Roberts, R. L. Allen 1985-8-19 2136 Orange Mission Viejo: lateral to Engilish Canyon along Vista de Lago Drive; 3.4km ENE El Toro Fire Station. Southern Coastal 218 Comment
  IRVC24070  Parkinsonia aculeata Fred M. Roberts 1985-8-23 2175 Orange Mission Viejo; San Diego Fwy. (I-5), 0.9km N Oso Pkwy., on west side. Southern Coastal 121 Comment
  IRVC24099  Senna multiglandulosa Fred M. Roberts, R. L. Allen 1985-9-3 2201 Orange Lower San Juan Canyon, Hwy 74, c.a. 14.4km NE San Juan Capistrano by road, Casper's Regional Park 184 Comment
  IRVC24151  Setaria verticillata Fred M. Roberts 1985-9-16 2243 Orange Peter's Creek Channel, 1.0km NNE Main St. bridge across from Alton Pkwy, Irvine 9 Comment
  IRVC24181  Sorghum halepense Fred M. Roberts 1985-9-17 2258 Orange Irvine; lot between Walnut Avenue, Harvard Avenue and Peter's Creek Channel. southern coastal 20 Comment
  IRVC24222  Sitanion jubatum Fred M. Roberts, Karlin G. Marsh, Gordon Marsh 1985-10-1 2279 Orange Silverado Canyon, Silverado Canyon Road, 1.0km by road E junction Santiago Canyon Road. Santa Ana Mountains 320 Comment
  IRVC24236  Frankenia salina Fred M. Roberts, Gordon A. Marsh 1985-10-25 2495 Orange Santa Ana River; adjacent to Huntington Beach, 0.2km S Victoria St. bridge. Southern Coastal 2 Comment
  IRVC24285  Polypogon monspeliensis Fred M. Roberts 1985-10-26 2515 Orange Santa Ana River: adjacent to Huntington Beach; 0.7km SSW Adams Street bridge. southern coastal 4 Comment
  IRVC24288  Chenopodium ambrosioides Fred M. Roberts, G. A. Marsh 1985-10-26 2512 Orange Santa Ana River: adjacent to Huntington Beach; 0.7km SSW Adams Street bridge. southern coastal 4 Comment
  IRVC24454  Atriplex canescens subsp. canescens Fred M. Roberts 1985-11-20 2560 Orange Newport Back Bay, near Camp Survey Mark, Newport Beach 2 Comment
  IRVC24483  Cortaderia selloana Fred M. Roberts, G. A. Marsh 1986-2-28 2603 Orange Lateral to English Canyon along Vista Del Lago; 3.4km ENE El Toro Fire Station, in ravine at base of north-facing slope. Mission Viejo 236 Comment
  IRVC24487  Quercus berberidifolia Fred M. Roberts 1986-2-28 2600 Orange Lateral to English Canyon along Vista Del Lago; 3.4km ENE El Toro Fire Station, in ravine at base of north-facing slope. Mission Viejo 236 Comment
  IRVC24496  Lupinus succulentus Fred M. Roberts, Gordon Marsh 1986-2-28 2621 Orange Mission Viejo: N of Oso Parkway; 4.2km NNE Saddleback Community College. Southern Coastal 200 Comment
  IRVC24501  Lupinus bicolor subsp. umbellatus Fred M. Roberts, Gordon Marsh 1986-2-28 2623 Orange Mission Viejo: N of Oso Parkway; 4.2km NNE Saddleback Community College. Southern Coastal 200 Comment
  IRVC24510  Coronopus didymus Fred M. Roberts 1986-3-14 2647 Orange University of California campus, south side of Alderich Park near Engineering Building, Irvine 33 Comment
  IRVC24518  Quercus berberidifolia Fred M. Roberts, Gordon A. Marsh 1986-2-28 2632 Orange Mission Viejo: N of Oso Parkway; 4.2km NNE Saddleback Community College. Southern Coastal 200 Comment
  IRVC24545  Quercus berberidifolia Fred M. Roberts, R. L. Allen 1985-8-19 2138 Orange Mission Viejo: lateral to Engilish Canyon along Vista de Lago Drive; 3.4km ENE El Toro Fire Station. Southern Coastal 218 Comment
  IRVC24546  Quercus berberidifolia Fred M. Roberts, R. L. Allen 1985-8-19 2130 Orange Mission Viejo: lateral to Engilish Canyon along Vista de Lago Drive; 3.4km ENE El Toro Fire Station. Southern Coastal 218 Comment
  IRVC24548  Quercus berberidifolia Fred M. Roberts, R. L. Allen 1985-8-19 2133 Orange Mission Viejo: lateral to Engilish Canyon along Vista de Lago Drive; 3.4km ENE El Toro Fire Station. Southern Coastal 218 Comment
  IRVC24549  Quercus berberidifolia Fred M. Roberts, K. Kahn 1988-5-26 4012 Orange Rancho Mission Viejo: Hill above and N of confluence of Gabino and Christianitos canyons. Southern Coastal 157 Comment
  IRVC24550  Quercus berberidifolia Fred M. Roberts 1987-8-6 3578 Orange San Joaquin Hills: Pelican Hill; N slope; 0.6mNNW Pelican Hill survey mark. Southern Coastal 194 Comment
  IRVC24551  Quercus berberidifolia Fred M. Roberts 1983-10-9 1141 Orange Laguna Beach: Temple Hill S of Upper Rancho Laguna Canyon near Del Mar Street. Southern Coastal 200 Comment
  IRVC24553  Quercus dumosa Fred M. Roberts, Gordon A. Marsh, Karlin G. Marsh 1988-4-26 3952 Orange San Joaquin Hills: Pelican Hill; E slope above Los Trancos Canyon; 0.4km ESE Pelican Hill survey mark; N-facing slope of sandstone ridge. Southern Coastal 200 Comment
  IRVC24554  Quercus dumosa Fred M. Roberts 1987-8-6 3580 Orange San Joaquin Hills: Pelican Hill; E slope above Los Trancos Canyon; 0.4km ESE Pelican Hill survey mark. Southern Coastal 200 Comment
  IRVC24561  Poa secunda Fred M. Roberts 1986-4-11 2782 Orange San Juan Canyon, Hwy 74, 1.2km SSW Lower San Juan Picnic Ground, Santa Ana Mountains 378 Comment
  IRVC24729  Lupinus microcarpus var. microcarpus Fred M. Roberts 1986-5-14 2827 Orange Lomas de Santiago: Lomas Ridge, Santiago Canyon Rd., 5.5km by road NW Silverado Canyon Rd. Santa Ana Mountains 256 Comment
  IRVC24744  Spergularia villosa Fred M. Roberts 1986-4-29 2822 Orange Turtle Rock, above corner of Ridgerout Dr. and Turtle Rock Dr., 1.1km SE French Hill, Irvine 141 Comment
  IRVC24749  Senecio vulgaris Fred M. Roberts 1986-4-29 2817 Orange Turtle Rock, above corner of Ridgerout Dr. and Turtle Rock Dr., 1.1km SE French Hill, Irvine 141 Comment
  IRVC24801  Rupertia physodes Fred M. Roberts, G. A. Marsh 1986-5-16 2909 Orange Ridge above San Juan Canyon, Sitton Peak Truck Trail, 4.0km W Sitton Peak, Santa Ana Mountains 670 Comment
  IRVC24802  Lupinus excubitus var. hallii Fred M. Roberts, Gordon Marsh 1986-5-16 2908 Orange Ridge above San Juan Canyon, Sitton Peak Truck Trail, 4.0km W Sitton Peak, Santa Ana Mountains 670 Comment
  IRVC24819  Dryopteris arguta Fred M. Roberts, G. A. Marsh 1986-5-16 2898 Orange ridge above San Juan Canyon, Sitton Peak Truck Trail, 3.9km W Sitton Peak, Santa Ana Mountains 670 Comment
  IRVC24949  Monardella hypoleuca subsp. hypoleuca Fred M. Roberts, Gordon A. Marsh 1986-6-6 2939 Orange Black Star Canyon, Black Star Canyon Rd., 6.6km SSW Sierra Peak. Santa Ana Mountains 460 Comment
Read comments
Aug 13 2012
  IRVC24954  Lepechinia cardiophylla Fred M. Roberts, Gordon A. Marsh 1986-6-6 2933 Orange Santa Ana Mountains; ridge S of Mabey Canyon, just N of Skyline Dr. near Orange County line; 2.7km SE Sierra Peak. Peninsular Ranges 820 Comment
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Feb 22 2017
  IRVC24957  Garrya flavescens var. pallida Fred M. Roberts, Gordon A. Marsh 1986-6-6 2931 Orange Santa Ana Mountains; ridge S of Mabey Canyon, just N of Skyline Dr. near Orange County line; 2.7km SE Sierra Peak. Peninsular Ranges 820 Comment
  IRVC24997  Achillea millefolium var. californica Fred M. Roberts, H. Camp & R. Fisher 1986-6-20 3020 Orange San Joaquin Freshwater Marsh, near Campus Dr., 1.7km NNW UC Irvine campus center, Irvine 2 Comment
  IRVC24999  Beta vulgaris Fred M. Roberts, H. Camp & B. Bretz 1986-6-20 3021 Orange San Joaquin Freshwater Marsh, near Campus Dr., 1.7km NNW UC Irvine campus center, Irvine 2 Comment
  IRVC25000  Acroptilon repens Fred M. Roberts, Helen Camp & Bill Bretz 1986-6-20 3025 Orange San Joaquin Freshwater Marsh, near Campus Dr., 1.7km NNW UC Irvine campus center, Irvine 2 Comment
  IRVC25009  Asclepias fascicularis Fred M. Roberts 1986-6-27 3034 Orange Mission Viejo: Creek channel along Cabot Rd. near Oso Pkwy. Comment
  IRVC25030  Dudleya stolonifera Fred M. Roberts 1984-4-29 1360 Orange Temple Hill above Laguna Canyon, 6.5km SE Signal Peak; 0.6km E Bench Mark 104, Laguna Beach 195 Comment
  IRVC25033  Medicago lupulina Fred M. Roberts 1986-8-26 3085 Orange University of California campus, Alderich Park just north of Engineering Building; Irvine 26 Comment
  IRVC25059  Melilotus albus Fred M. Roberts 1986-8-21 3053 Orange English Canyon along English Creek just below Trabuco Rd. crossing, c.a. 2.4km E El Toro Fire Station, Mission Viejo 166 Comment
  IRVC25098  Melissa officinalis Fred M. Roberts, Gordon A. Marsh 1986-8-27 3121 Orange Santa Ana Mtns; Silverado Cyn, Silverado, 1.6km NNW Shrwsbury Spring. Peninsular Ranges 480 Comment
  IRVC25103  Monardella hypoleuca subsp. hypoleuca Fred M. Roberts, Gordon A. Marsh 1986-8-27 3115 Orange Modjeska Peak; Main Divide Truck Trail; SW ridge; 1.0km SW summit Santa Ana Mountains 1530 Comment
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Aug 13 2012
  IRVC25113  Quercus wislizeni var. frutescens Fred M. Roberts, Gordon A. Marsh 1986-8-27 3093 Orange Santiago Peak; 0.2km SSW summit Santa Ana Mountains 1695 Comment
  IRVC25150  Euphorbia albomarginata Fred M. Roberts 1986-9-3 3134 Orange adjacent to Anaheim, between Yorba Linda Regional Park and Imperial Hwy, Santa Ana River 88 Comment
  IRVC25156  Aster subulatus var. ligulatus Fred M. Roberts 1986-9-3 3129 Orange adjacent to Anaheim, between Yorba Linda Regional Park and Imperial Hwy, Santa Ana River 88 Comment
  IRVC25158  Pulicaria paludosa Fred M. Roberts 1986-9-3 3127 Orange adjacent to Anaheim, between Yorba Linda Regional Park and Imperial Hwy, Santa Ana River 88 Comment
  IRVC25168  Isocoma menziesii var. vernonioides Fred M. Roberts, B. Fugle 1986-10-1 3145 Orange Laguna Hills; creek channel along Cabot Rd. ca. 1.0km N Pacific Park Pkwy. Southern Coastal 99 Comment
  IRVC25169  Ambrosia psilostachya var. californica Fred M. Roberts, Brenda Fugle 1986-10-1 3146 Orange Laguna Hills; creek channel along Cabot Rd. ca. 1.0km N Pacific Park Pkwy. Southern Coastal 99 Comment
  IRVC25170  Heterotheca grandiflora Fred M. Roberts, B. Fugle 1986-10-1 3148 Orange Laguna Hills; creek channel along Cabot Rd. ca. 1.0km N Pacific Park Pkwy. Southern Coastal 99 Comment
  IRVC25173  Cortaderia selloana Fred M. Roberts, B. Fugle 1986-10-1 3151 Orange Laguna Hills; creek channel along Cabot Rd. ca. 1.0km N Pacific Park Pkwy. Southern Coastal 99 Comment
  IRVC25177  Artemisia douglasiana Fred M. Roberts, Brenda Fugle 1986-10-1 3156 Orange Laguna Hills; creek channel along Cabot Rd. ca. 1.0km N Pacific Park Pkwy. Southern Coastal 99 Comment
  IRVC25184  Pinus coulteri Fred M. Roberts, Robert Fisher 1986-10-28 3166 Orange Upper Horsethief Canyon, Main Divide Truck Trail, 1.9km SE Trabuco Peak, Santa Ana Mountains 1219 Comment
  IRVC25185  Pseudotsuga macrocarpa Fred M. Roberts, Robert Fisher 1986-10-28 3167 Orange Upper Horsethief Canyon, Main Divide Truck Trail, 1.9km SE Trabuco Peak, Santa Ana Mountains 1219 Comment
  IRVC25196  Baccharis emoryi Fred M. Roberts, Robert Fisher 1986-10-28 3179 Orange Main Divide Truck Trail Extension, 2.3km E Los Pinos Peak, in seep at base of south-facing road cut. Santa Ana Mountains 1030 Comment
  IRVC25202  Atriplex davidsonii Fred M. Roberts 1986-11-4 3201 Orange Anaheim Bay, north of Hog Island, Seal Beach Naval Weapons Station 0 Comment
  IRVC25203  Aster subulatus var. ligulatus Fred M. Roberts 1986-11-4 3200 Orange Anaheim Bay, north of Hog Island, Seal Beach Naval Weapons Station 0 Comment
  IRVC25204  Hemizonia parryi subsp. australis Fred M. Roberts 1986-11-4 3199 Orange Anaheim Bay, north of Hog Island, Seal Beach Naval Weapons Station 0 Comment
  IRVC25220  Baccharis emoryi Fred M. Roberts 1986-10-31 3197 Orange Seal Beach Naval Weapons Station: Anaheim Bay, vicinity of Hog Island. on berm along margin of upper coastal salt marsh. southern coastal 0 Comment
  IRVC25221  Bassia hyssopifolia Fred M. Roberts 1986-11-4 3202 Orange Anaheim Bay, north of Hog Island, Seal Beach Naval Weapons Station 0 Comment
  IRVC25222  Sesuvium verrucosum Fred M. Roberts 1986-11-4 3213 Orange Anaheim Bay, north of Hog Island, Seal Beach Naval Weapons Station 0 Comment
  IRVC25385  Filago gallica Fred M. Roberts 1987-4-3 3354 Orange San Joaquin Hills; Irvine; central Shady Canyon, 2.9km NE Signal Hill. Central coastal 107 Comment
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Feb 17 2017
  IRVC25388  Gnaphalium stramineum Fred M. Roberts 1987-4-3 3351 Orange San Joaquin Hills; Irvine; central Shady Canyon, 2.9km NE Signal Hill. Central coastal 107 Comment
  IRVC25396  Plagiobothrys collinus var. californicus Fred M. Roberts 1987-4-3 3341 Orange San Joaquin Hills; Irvine; central Shady Canyon, 2.9km NE Signal Hill. Central coastal 107 Comment
  IRVC25398  Selaginella cinerascens Fred M. Roberts 1987-4-3 3339 Orange San Joaquin Hills; Irvine; central Shady Canyon, 2.9km NE Signal Hill. Central coastal 107 Comment
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Oct 17 2017
  IRVC25399  Crassula connata Fred M. Roberts 1987-4-3 3338 Orange San Joaquin Hills; Irvine; central Shady Canyon, 2.9km NE Signal Hill. Central coastal 107 Comment
  IRVC25402  Lasthenia californica Fred M. Roberts 1987-4-3 3335 Orange San Joaquin Hills; Irvine; central Shady Canyon, 2.9km NE Signal Hill. Central coastal 107 Comment
  IRVC25406  Poa secunda Fred M. Roberts 1987-4-3 3330 Orange San Joaquin Hills; Irvine; central Shady Canyon, 2.9km NE Signal Hill. Central coastal 107 Comment
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Feb 17 2017
  IRVC25411  Filago californica Fred M. Roberts, Wayne Ferren 1987-4-8 3360 Orange Upper Newport Back Bay, west side, North Star Beach, 0.8km N Coney Island, Newport Beach 0 Comment
  IRVC25434  Lepidium pinnatifidum Fred M. Roberts 1987-7-8 3471 Orange San Diego Creek, near San Diego Freeway crossing, 3.2km N UC Irvine Campus center; Irvine 5 Comment
  IRVC25447  Polystichum imbricans subsp. curtum Fred M. Roberts, K. G. Marsh 1987-5-14 3439 Orange Santa Ana Mtns: Upper Trabuco Canyon, Trabuco Canyon Trail, 1.3km NE Los Pinos Peak. Peninsular Ranges 1231 Comment
  IRVC25462  Gnaphalium californicum Fred M. Roberts 1987-4-21 3385 Orange Aliso Creek, Aliso Creek Bike Trail, 3.0km ENE Moulton Peak, Aliso Viejo 73 Comment
  IRVC25466  Croton californicus Fred M. Roberts 1987-4-21 3381 Orange Aliso Creek, Aliso Creek Bike Trail, 3.0km ENE Moulton Peak, Aliso Viejo 73 Comment
  IRVC25468  Crassula connata Fred M. Roberts 1987-4-21 3379 Orange Aliso Creek, Aliso Creek Bike Trail, 3.0km ENE Moulton Peak, Aliso Viejo 73 Comment
  IRVC25469  Silene gallica Fred M. Roberts 1987-4-21 3778 Orange Aliso Creek, Aliso Creek Bike Trail, 3.0km ENE Moulton Peak, Aliso Viejo 73 Comment
  IRVC25471  Polycarpon depressum Fred M. Roberts 1987-4-21 3376 Orange Aliso Creek, Aliso Creek Bike Trail, 3.0km ENE Moulton Peak, Aliso Viejo 73 Comment
  IRVC25473  Astragalus pomonensis Fred M. Roberts 1987-4-21 3375 Orange Aliso Creek, Aliso Creek Bike Trail, 3.0km ENE Moulton Peak, Aliso Viejo 73 Comment
  IRVC25488  Atriplex davidsonii Fred M. Roberts, Karen Calloway 1987-8-19 3585 Orange San Joaquin Freshwater Marsh, 1.7km NW University of California, Irvine campus center near Fairchild; Irvine 2 Comment
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Feb 1 2020
  IRVC25562  Lepidium nitidum Fred M. Roberts 1989-3-17 4209 Orange Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park 30 Comment
  IRVC25563  Capsella bursa-pastoris Fred M. Roberts 1989-3-17 4203 Orange Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park 30 Comment
  IRVC25566  Amsinckia menziesii var. menziesii Fred M. Roberts 1989-3-17 4212 Orange Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park 30 Comment
  IRVC25573  Sanicula arguta Fred M. Roberts 1988-3-17 4211 Orange Aliso Canyon, 3.3km SSE Moulton Peak, Aliso-Wood Canyon Regional Park 61 Comment
  IRVC29087  Amsinckia intermedia Fred M. Roberts 1989-3-17 4202 Orange Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park 30 Comment
  IRVC29088  Capsella bursa-pastoris Fred M. Roberts 1989-3-17 4203 Orange Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park 30 Comment
  IRVC29090  Orthocarpus purpurascens var. purpurascens Fred M. Roberts 1989-3-17 4205 Orange Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park 30 Comment
  IRVC29091  Bromus madritensis subsp. rubens Fred M. Roberts 1989-3-17 4206 Orange Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park 30 Comment
  IRVC29092  Urtica urens Fred M. Roberts 1989-3-17 4207 Orange Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park 30 Comment
  IRVC29093  Ranunculus californicus var. californicus Fred M. Roberts 1989-3-17 4208 Orange Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park 30 Comment
  IRVC29094  Lepidium nitidum Fred M. Roberts 1989-3-17 4209 Orange Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park 30 Comment
  IRVC29097  Amsinckia menziesii Fred M. Roberts 1989-3-17 4212 Orange Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park 30 Comment
  IRVC3140  Artemisia douglasiana Fred M. Roberts 1986-9-3 3140 Orange adjacent to Anaheim, between Yorba Linda Regional Park and Imperial Hwy, Santa Ana River 88 Comment
  POM7319  Stenotaphrum secundatum Fred M. Roberts, Sandy Leatherman 2007-11-27 6669 Orange Yorba Linda: Santa Ana Canyon, Santa Ana River wash, S of E La Palma Road near Via Lomas de Yorba Linda, about 0.6 km W Gypsum Cyn. bridge. 113 Comment
  RSA0008497  Verbesina dissita Fred M. Roberts, Leo Song 2002-8-1 5527 Orange San Joaquin Hills; Laguna Beach, South flank Temple Hill adjacent to 739 Nyes Place; 0.9km ENE Sugarloaf Pt. 164 Comment
  RSA0009199  Antirrhinum multiflorum Fred M. Roberts, Robert L. Allen, Trish Smith 2007-6-15 6533 Orange Along dirt road on ridge between Fremont and Black Star Cyns., 5.2km ENE Irvine Lake Spillway and 1.7km W Hidden Ranch. 739 Comment
  RSA0010307  Lasthenia gracilis Fred M. Roberts 2008-3-12 6732 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA0010806  Myoporum laetum Fred M. Roberts 2008-5-16 6977 Orange Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor. 45 Comment
  RSA0010840  Eucalyptus camaldulensis Fred M. Roberts, Sandy Leatherman 2007-11-27 6673 Orange Yorba Linda: Santa Ana Canyon, Santa Ana River wash, S of E La Palma Road near Via Lomas de Yorba Linda, about 0.6 km W Gypsum Cyn. bridge. 113 Comment
  RSA0011014  Stylocline gnaphaloides Fred M. Roberts 2012-5-10 7570 Orange San Joaquin Hills: Buck Gully, south tributary, north slope Pelican hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit. 154 Comment
  RSA0011252  Croton californicus Fred M. Roberts, Lee Ann Caranza 2006-10-25 6454 Orange Dana Point Headlands south of Margarite Drive, 0.6km W Marine Institute and 1km SW Cook Sch. 58 Comment
  RSA0011253  Croton californicus Fred M. Roberts, Sandy Leatherman 2007-11-27 6670 Orange Yorba Linda: Santa Ana Canyon, Santa Ana River wash, S of E La Palma Road near Via Lomas de Yorba Linda, about 0.6 km W Gypsum Cyn. bridge. 113 Comment
  RSA0012746  Dichondra occidentalis Fred M. Roberts 2012-5-10 7571 Orange San Joaquin Hills: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit. 154 Comment
  RSA0012747  Scrophularia californica subsp. floribunda Fred M. Roberts 2012-5-10 7572 Orange San Joaquin Hills: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit. 154 Comment
  RSA0012749  Sonchus asper Fred M. Roberts 2012-5-10 7574 Orange San Joaquin Hills: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit. 154 Comment
  RSA0012750  Bloomeria crocea var. crocea Fred M. Roberts 2012-5-10 7575 Orange San Joaquin Hills: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit. 154 Comment
  RSA0012751  Castilleja affinis subsp. affinis Fred M. Roberts 2012-5-10 7576 Orange San Joaquin Hills: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit. 154 Comment
  RSA0012752  Sanicula crassicaulis Fred M. Roberts 2012-5-10 7577 Orange San Joaquin Hills: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit. 154 Comment
  RSA0012753  Grindelia camporum Fred M. Roberts 2012-5-10 7578 Orange San Joaquin Hills: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit. 154 Comment
  RSA0013857  Cryptantha intermedia Fred M. Roberts 2012-5-10 7563 Orange San Joaquin Hills: Buck Gully, S Fork, north slope Pelican Hill, 0.6 km N summit Pelican Hill, north of Pelican Hill Drive. 183 Comment
  RSA0013858  Helianthemum scoparium Fred M. Roberts 2012-5-10 7565 Orange San Joaquin Hills: Buck Gully, S Fork, north slope Pelican Hill, 0.6 km N summit Pelican Hill, north of Pelican Hill Drive. 183 Comment
  RSA0013859  Quercus berberidifolia Fred M. Roberts 2012-5-10 7561 Orange San Joaquin Hills: Buck Gully, S Fork, north slope Pelican Hill, 0.6 km N summit Pelican Hill, north of Pelican Hill Drive. 183 Comment
  RSA0013860  Quercus dumosa Fred M. Roberts 2012-5-10 7560 Orange San Joaquin Hills: Buck Gully, S Fork, north slope Pelican Hill, 0.6 km N summit Pelican Hill, north of Pelican Hill Drive. 183 Comment
  RSA0013861  Bromus madritensis Fred M. Roberts 2012-4-24 7517 Orange San Joaquin Hills: Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km W Signal Peak. 179 Comment
  RSA0013862  Chasmanthe floribunda Fred M. Roberts, Steve Boyd, Robt. Allen 2010-2-12 7174 Orange South Coast: San Joaquin Hills: Niguel Hill, Laguna Niguel, Sea View Park, 0.2 km WNW summit of Niguel Hill. 251 Comment
  RSA0013863  Chorizanthe procumbens Fred M. Roberts 2012-5-10 7569 Orange San Joaquin Hills: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit. 154 Comment
  RSA0013911  Mimulus aurantiacus var. pubescens Fred M. Roberts 2012-4-24 803784 Orange San Joaquin Hills: Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak 167 Comment
  RSA0013913  Quercus berberidifolia Fred M. Roberts 2012-5-10 7583 Orange Jan Joaquin Hills; Buck Gully, south fork, norht slope of Pelican Hill, along Pelican Hills Dr., 0.3 km N summit Pelican Hill 189 Comment
  RSA0013914  Convolvulus arvensis Fred M. Roberts 2012-5-10 7582 Orange San Joaquin Hills: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit. 154 Comment
  RSA0013915  Galium angustifolium Fred M. Roberts 2012-5-10 7579 Orange San Joaquin Hills: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit. 154 Comment
  RSA0013949  Filago arizonica Fred M. Roberts 2008-4-24 6928 Orange Lomas de Santiago: Loma Ridge, lower Hicks Cyn. 350 meters east of Haul Rd., 1.9 km E Rattlesnake Cyn. Reservoir dam and 2.1 km W Bee Peak. Irvine Ranch Conservancy. 180 Comment
  RSA0013950  Aristida adscensionis Fred M. Roberts 2008-4-24 6929 Orange Lomas de Santiago: Loma Ridge, lower Hicks Cyn. 350 meters east of Haul Rd., 1.9 km E Rattlesnake Cyn. Reservoir dam and 2.1 km W Bee Peak. Irvine Ranch Conservancy. 180 Comment
  RSA0013951  Nemacladus ramosissimus Fred M. Roberts 2008-4-24 6930 Orange Lomas de Santiago: Loma Ridge, lower Hicks Cyn. 350 meters east of Haul Rd., 1.9 km E Rattlesnake Cyn. Reservoir dam and 2.1 km W Bee Peak. Irvine Ranch Conservancy. 180 Comment
  RSA0013952  Triodanis biflora Fred M. Roberts 2008-4-24 6931 Orange Lomas de Santiago: Loma Ridge, lower Hicks Cyn. 350 meters east of Haul Rd., 1.9 km E Rattlesnake Cyn. Reservoir dam and 2.1 km W Bee Peak. Irvine Ranch Conservancy. 180 Comment
  RSA0013953  Elymus glaucus var. glaucus Fred M. Roberts 2008-5-7 6940 Orange Lomas de Santiago: Loma Ridge, Limestone Ridge between Dripping Spr. and Limestone Cyn., 3.5 km NW Bolero Lookout and 1.7 km E Bee Peak. Irvine Ranch Conservancy. 481 Comment
  RSA0013957  Trifolium microcephalum Fred M. Roberts 2008-4-24 6932 Orange Lomas de Santiago: Loma Ridge, lower Hicks Cyn. 350 meters east of Haul Rd., 1.9 km E Rattlesnake Cyn. Reservoir dam and 2.1 km W Bee Peak. Irvine Ranch Conservancy. 180 Comment
  RSA0013958  Calochortus catalinae Fred M. Roberts 2008-5-7 6938 Orange Lomas de Santiago: Loma Ridge, Limestone Ridge between Dripping Spr. and Limestone Cyn., 3.5 km NW Bolero Lookout and 1.7 km E Bee Peak. Irvine Ranch Conservancy. 481 Comment
  RSA0013959  Bromus diandrus Fred M. Roberts 2008-5-7 6939 Orange Lomas de Santiago: Loma Ridge, Limestone Ridge between Dripping Spr. and Limestone Cyn., 3.5 km NW Bolero Lookout and 1.7 km E Bee Peak. Irvine Ranch Conservancy. 481 Comment
  RSA0013960  Agrostis pallens Fred M. Roberts 2008-5-14 6968 Orange Lomas de Santiago: Loma Ridge, upper Bee Flat Cyn. below Loma Ridge Rd., 1.3 km N Bee Peak and 5.4 km NW Bolero Lookout, Irvine Ranch Conservancy. 377 Comment
  RSA0013961  Achillea millefolium Fred M. Roberts 2008-5-14 6969 Orange Lomas de Santiago: Loma Ridge, upper Bee Flat Cyn. below Loma Ridge Rd., 1.3 km N Bee Peak and 5.4 km NW Bolero Lookout, Irvine Ranch Conservancy. 377 Comment
  RSA0013962  Cistanthe monandra Fred M. Roberts, David E. Bramlet 2008-5-13 6954 Orange Upper Weir Cyn., central fork, 3.5 km NE Roberst Peak 369 Comment
  RSA0013963  Salvia columbariae Fred M. Roberts, D. E. Bramlet 2008-5-13 6955 Orange Upper Weir Cyn., central fork, 3.5 km NE Roberst Peak 369 Comment
  RSA0013967  Dudleya multicaulis Fred M. Roberts 2008-4-23 6925 Orange Lomas de Santiago: Loma Ridge, north end along Sheriff Rd., 1.6 km SE Peters Canyn Reservoir dam. 340 Comment
  RSA0013968  Calochortus catalinae Fred M. Roberts 2008-4-23 6926 Orange Lomas de Santiago: Loma Ridge, north end along Sheriff Rd., 1.6 km SE Peters Canyn Reservoir dam. 340 Comment
  RSA0013969  Aristida ternipes var. hamulosa Fred M. Roberts 2008-4-22 7167 Orange Lomas de Santiago: Loma Ridge, Lower Hicks Cyn., along Haul Road near asphalt plant, 2.2km ENE Rattlesnake Reservoir dam and 2.2km WNW Bee Peak, Irvine Ranch Conservancy 188 Comment
  RSA0013970  Cryptantha microstachys Fred M. Roberts 2008-4-8 7169 Orange Lomas de Santiago; Loma Ridge, Upper Dripping Springs Cyn,. 1.0km NE Bee Peak, Irvine Ranch Conservancy. 458 Comment
  RSA0013974  Aristida adscensionis Fred M. Roberts, David E. Bramlet 2008-5-13 6953 Orange Upper Weir Cyn., central fork, 3.5 km NE Roberst Peak 369 Comment
  RSA0014060  Juncus rugulosus Fred M. Roberts, R. E. Riefner 2010-5-30 7134 Orange Lomas de Santiago: Loma Ridge, Hanging Man s Tree Cyn., along Hanging Man s Tree Cyn. Rd., c.a. 0.4km W Santiago Cyn. Rd., and 1.2 km N Bolero Lookout. 372 Comment
  RSA0014061  Romneya coulteri Fred M. Roberts 2008-5-30 7018 Orange Lomas de Santiago: Santiago Creek wash, south of Irvine Mesa, 1.5 km SE Silverado Sch., Irvine Ranch Conservancy. 326 Comment
  RSA0014062  Romneya trichocalyx Fred M. Roberts 2008-5-30 7017 Orange Lomas de Santiago: Santiago Creek wash, south of Irvine Mesa, 1.5 km SE Silverado Sch., Irvine Ranch Conservancy. 326 Comment
  RSA0014063  Viguiera laciniata Fred M. Roberts 2008-5-30 7016 Orange Lomas de Santiago: Santiago Creek wash, south of Irvine Mesa, 1.3 km SSE Silverado Sch., Irvine Ranch Conservancy. 328 Comment
  RSA0014067  Juncus arcticus var. balticus Fred M. Roberts, R. E. Riefner 2010-5-30 7021 Orange Lomas de Santiago: Loma Ridge, Hanging Man s Tree Cyn., along Hanging Man s Tree Cyn. Rd., c.a. 0.4km W Santiago Cyn. Rd., and 1.2 km N Bolero Lookout. 372 Comment
  RSA0014068  Calochortus weedii var. intermedius Fred M. Roberts, Richard E. Riefner 2010-5-30 7020 Orange Santiago Canyon Rd. in small canyon below Irvine Mesa, 1.1 km SE Silverado Sch., c.a. 2 km by road SE Silverado Cyn. Rd. junction 337 Comment
  RSA0014069  Romneya coulteri Fred M. Roberts 2008-5-30 7019 Orange Lomas de Santiago: Santiago Creek wash, south of Irvine Mesa, 1.5 km SE Silverado Sch., Irvine Ranch Conservancy. 326 Comment
  RSA0014070  Juncus textilis Fred M. Roberts, R. E. Riefner 2010-5-30 7023 Orange Lomas de Santiago: Loma Ridge, Hanging Man s Tree Cyn., along Hanging Man s Tree Cyn. Rd., c.a. 0.4km W Santiago Cyn. Rd., and 1.2 km N Bolero Lookout. 372 Comment
  RSA0014074  Mentzelia micrantha Fred M. Roberts 2008-5-28 7011 Orange Lomas de Santiago: Loma Ridge, south fork Rattlesnake Cyn., 2.0km above Rattlesnake Reservoir dam and 2.2km WNW Bee Peak. 230 Comment
  RSA0014075  Acourtia microcephala Fred M. Roberts 2008-5-27 7005 Orange Lomas de Santiago: Loma Ridge, Hicks Cyn., c.a. 0.2km beyond Hicks Cyn., Gate, 2.2km WNW Bee Peak, Irvine Ranch conservancy 213 Comment
  RSA0014076  Cuscuta californica Fred M. Roberts 2008-5-27 7004 Orange Lomas de Santiago: Loma Ridge, Hicks Cyn., c.a. 0.2km beyond Hicks Cyn., Gate, 2.2km WNW Bee Peak, Irvine Ranch conservancy 213 Comment
  RSA0014850  Lythrum californicum Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6109 Orange Caspers Wilderness Park, San Juan Cyn., Old San Juan Hot Springs, ca. 0.4km SW San Juan Ranger Station, north of SR 74. 214 Comment
  RSA0014851  Lythrum californicum Fred M. Roberts 1999-7-22 5250 Orange Lomas de Santiago: Lomas Ridge, tributary to Limestone Canyon at Dripping Springs. Limestone Wilderness Park. 415 Comment
  RSA0014988  Torilis nodosa Fred M. Roberts 2008-5-20 6988 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Canyon, 0.8 km NW Bolero Spring and 3.1 km WNW Bolero Lookout. Irvine Ranch Conservancy. 467 Comment
  RSA0014989  Dicentra chrysantha Fred M. Roberts 2008-5-20 6989 Orange Lomas de Santiago: Santiago Creek wash north of Hanging Man's Tree Road near confluence of Pancho Cyn., 1.6 km NW Bolero Lookout. Irvine Ranch Conservancy. 349 Comment
  RSA0014990  Phacelia brachyloba Fred M. Roberts 2008-5-20 6990 Orange Lomas de Santiago: Santiago Creek wash north of Hanging Man s Tree Road near confluence of Pancho Cyn., 1.6 km NW Bolero Lookout. Irvine Ranch Conservancy. 349 Comment
  RSA0014991  Salvia spathacea Fred M. Roberts 2008-5-14 6967 Orange Lomas de Santiago: Loma Ridge, upper Bee Flat Cyn. below Loma Ridge Rd., 1.3 km N Bee Peak and 5.4 km NW Bolero Lookout, Irvine Ranch Conservancy. 377 Comment
  RSA0014992  Antirrhinum coulterianum Fred M. Roberts 2008-5-14 6966 Orange Lomas de Santiago: Loma Ridge, upper Bee Flat Canyon below Loma Ridge Rd., 1.3 km N Bee Peak and 5.4 km NW Bolero Lookout, Irvine Ranch Conservancy. 381 Comment
  RSA0014993  Mimulus brevipes Fred M. Roberts 2008-5-14 6965 Orange Lomas de Santiago: Loma Ridge, upper Bee Flat Canyon below Loma Ridge Rd., 1.3 km N Bee Peak and 5.4 km NW Bolero Lookout, Irvine Ranch Conservancy. 381 Comment
  RSA0014997  Polypodium californicum Fred M. Roberts 2008-5-14 6961 Orange Lomas de Santiago: Loma Ridge, upper Bee Flat Canyon below Loma Ridge Rd., 1.3 km N Bee Peak and 5.4 km NW Bolero Lookout, Irvine Ranch Conservancy. 337 Comment
  RSA0014998  Adiantum jordanii Fred M. Roberts 2008-5-14 6960 Orange Lomas de Santiago: Loma Ridge, upper Bee Flat Canyon below Loma Ridge Rd., 1.3 km N Bee Peak and 5.4 km NW Bolero Lookout, Irvine Ranch Conservancy. 337 Comment
  RSA0014999  Cuscuta subinclusa Fred M. Roberts, D. E. Bramlet 2008-5-13 6958 Orange Lomas de Santiago: Loma Ridge, north end, west of Sheriff Rd., 1.4 km SE Peters Canyon Reservoir dam. Irvine Ranch Conservancy. 263 Comment
  RSA0015000  Pennisetum setaceum Fred M. Roberts, David E. Bramlet 2008-5-13 6957 Orange Upper Weir Cyn., central fork, 3.5 km NE Roberst Peak 369 Comment
  RSA0015957  Sisyrinchium bellum Fred M. Roberts 2012-4-24 7536 Orange San Joaquin Hills: Buck Gully, above main trail, 2 km W Signal Peak and about 0.4 km S San Joaquin Hills Road. 155 Comment
  RSA0015958  Avena fatua Fred M. Roberts 2012-4-24 7535 Orange San Joaquin Hills: Buck Gully, above main trail, 2 km W Signal Peak and about 0.4 km S San Joaquin Hills Road. 155 Comment
  RSA0015959  Festuca perennis Fred M. Roberts 2012-4-24 7534 Orange San Joaquin Hills: Buck Gully, above main trail, 2 km W Signal Peak and about 0.4 km S San Joaquin Hills Road. 155 Comment
  RSA0015960  Bromus hordeaceus Fred M. Roberts 2012-4-24 7533 Orange San Joaquin Hills: Buck Gully, above main trail, 2 km W Signal Peak and about 0.4 km S San Joaquin Hills Road. 155 Comment
  RSA0015961  Carduus pycnocephalus Fred M. Roberts 2012-4-24 7532 Orange San Joaquin Hills: Buck Gully, above main trail, 2 km W Signal Peak and about 0.4 km S San Joaquin Hills Road. 155 Comment
  RSA0015962  Ranunculus californicus Fred M. Roberts 2012-4-24 7531 Orange San Joaquin Hills: Buck Gully, above main trail, 2 km W Signal Peak and about 0.4 km S San Joaquin Hills Road. 155 Comment
  RSA0015963  Melilotus albus Fred M. Roberts 2012-4-24 7530 Orange San Joaquin Hills: Buck Gully, above main trail, 2 km W Signal Peak and about 0.4 km S San Joaquin Hills Road. 155 Comment
  RSA0019265  Dimorphotheca ecklonis Fred M. Roberts 2004-6-16 6054 Orange San Joaquin Hills: Temple Hill, slopes above Hobo Cyn., adj. to 591 Balboa Ave.; 1.0km NNE Golf Island Survey Mark. 175 Comment
  RSA0019266  Dimorphotheca ecklonis Fred M. Roberts 2008-10-9 7122 Orange Dana Point: Dana Point Headlands, CNLM Preserve, at base of cliff adjacent to Dana Strands Beach, 0.8km WNW Marine Institute (Dana Point Harbor). 3 Comment
  RSA0019267  Dimorphotheca ecklonis Fred M. Roberts, Sandra Leatherman, Jennifer Pareti 2009-4-14 7149 Orange Dana Point Headlands: Dana Strand Beach and slopes above beach, 0.8 km WNW Marine Institute at Dana Point Harbor. CNLM Dana Point Preserve. 3 Comment
  RSA0026252  Parthenocissus vitacea Fred M. Roberts 2013-6-12 7798 Orange Peninsular Ranges: Santa Ana Mtns: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 kilometers ENE Silverado School and 1.4 kilometers up stream Black Star Road Crossing. 320 Comment
  RSA0026254  Stachys rigida subsp. rigida Fred M. Roberts 2013-6-12 7796 Orange Peninsular Ranges: Santa Ana Mtns: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 kilometers ENE Silverado School and 1.4 kilometers up stream Black Star Road Crossing. 320 Comment
  RSA0026255  Stachys rigida subsp. rigida Fred M. Roberts 2013-6-12 7795 Orange Peninsular Ranges: Santa Ana Mtns: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 kilometers ENE Silverado School and 1.4 kilometers up stream Black Star Road Crossing. 320 Comment
  RSA0026256  Carex spissa Fred M. Roberts 2013-6-12 7794 Orange Peninsular Ranges: Santa Ana Mtns: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 kilometers ENE Silverado School and 1.4 kilometers up stream Black Star Road Crossing. 320 Comment
  RSA0026261  Vinca major Fred M. Roberts 2013-6-12 7788 Orange Peninsular Ranges: Santa Ana Mtns: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 kilometers ENE Silverado School and 1.4 kilometers up stream Black Star Road Crossing. 320 Comment
  RSA0026262  Nerium oleander Fred M. Roberts 2013-6-12 7787 Orange Peninsular Ranges: Santa Ana Mtns: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 kilometers ENE Silverado School and 1.4 kilometers up stream Black Star Road Crossing. 320 Comment
  RSA0026264  Hoita macrostachya Fred M. Roberts 2013-6-12 7785 Orange Peninsular Ranges: Santa Ana Mtns: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 kilometers ENE Silverado School and 1.4 kilometers up stream Black Star Road Crossing. 320 Comment
  RSA0027424  Typha domingensis Fred M. Roberts 2012-7-18 7651 Orange San Joaquin Hills: Newport Beach, Buck Gully, west end, just east of north terminus of Poppy Street and 2.2 km WNW summit of Pelican Hill. 39 Comment
  RSA0027425  Cucurbita foetidissima Fred M. Roberts 2013-7-18 7659 Orange San Joaquin Hills: Newport Beach, Buck Gully, along Buck Gully Trail, about 0.7 km from the north terminus of Poppy Street and 1.8 km WNW summit of Pelican Hill. 52 Comment
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Mar 6 2019
  RSA0027426  Chenopodium ambrosioides Fred M. Roberts 2013-7-18 7668 Orange San Joaquin Hills: Newport Beach, Buck Gully, west end, just east of north terminus of Poppy Street and 2.2 km WNW summit of Pelican Hill. 39 Comment
  RSA0027428  Malacothrix saxatilis var. tenuifolia Fred M. Roberts 2013-7-18 7661 Orange San Joaquin Hills: Newport Beach, Buck Gully, along Buck Gully Trail, about 0.7 km from the north terminus of Poppy Street and 1.8 km WNW summit of Pelican Hill. 52 Comment
  RSA0027430  Phacelia ramosissima Fred M. Roberts 2013-7-18 7663 Orange San Joaquin Hills: Newport Beach, Buck Gully, along Buck Gully Trail, about 0.7 km from the north terminus of Poppy Street and 1.8 km WNW summit of Pelican Hill. 52 Comment
  RSA0027431  Helianthus annuus Fred M. Roberts 2013-7-18 7665 Orange San Joaquin Hills: Newport Beach, Buck Gully, along Buck Gully Trail, about 0.7 km from the north terminus of Poppy Street and 1.8 km WNW summit of Pelican Hill. 52 Comment
  RSA0027432  Lactuca serriola Fred M. Roberts 2013-7-18 7666 Orange San Joaquin Hills: Newport Beach, Buck Gully, along Buck Gully Trail, about 0.7 km from the north terminus of Poppy Street and 1.8 km WNW summit of Pelican Hill. 52 Comment
  RSA0027433  Phalaris minor Fred M. Roberts 2013-7-18 7667 Orange San Joaquin Hills: Newport Beach, Buck Gully, along Buck Gully Trail, about 0.7 km from the north terminus of Poppy Street and 1.8 km WNW summit of Pelican Hill. 52 Comment
  RSA0027437  Setaria parviflora Fred M. Roberts 2012-7-18 7676 Orange San Joaquin Hills: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus of Poppy Street and 2.1 km WNW summit of Pelican Hill. 37 Comment
  RSA0027438  Schoenoplectus californicus Fred M. Roberts 2012-7-18 7672 Orange San Joaquin Hills: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus, of Poppy Street and 2.1 km WNW summit of Pelican Hill. 37 Comment
  RSA0028022  Acacia longifolia Fred M. Roberts 2012-9-6 7695 Orange San Joaquin Hills: Buck Gully, Buck Gully Trail, west end near Poppy Street entrance, 2.1 kilometers WNW Pelican Hill summit. 37 Comment
  RSA0028023  Muhlenbergia rigens Fred M. Roberts 2012-9-6 7696 Orange San Joaquin Hills: Buck Gully, Buck Gully Trail, west end near Poppy Street entrance, 2.1 kilometers WNW Pelican Hill summit. 37 Comment
  RSA0028027  Artemisia californica Fred M. Roberts 2012-9-6 7700 Orange San Joaquin Hills: Buck Gully, Buck Gully Trail, west end near Poppy Street entrance, 2.1 kilometers WNW Pelican Hill summit. 37 Comment
  RSA0028028  Distichlis spicata Fred M. Roberts 2012-9-6 7701 Orange San Joaquin Hills: Buck Gully, Buck Gully Trail, about 1.8 kilometers NW Pelican Hill summit. 64 Comment
  RSA0028029  Baccharis pilularis Fred M. Roberts 2012-9-6 7702 Orange San Joaquin Hills: Buck Gully, Buck Gully Trail, about 1.8 kilometers NW Pelican Hill summit. 64 Comment
  RSA0028771  Atriplex lentiformis subsp. lentiformis Fred M. Roberts 2009-4-21 7112 Orange Dana Point Headlands: southern cliffs, 0.7 km W Marine Institute at Dana Point Harbor. CNLM Dana Point Preserve. 3 Comment
  RSA0029934  Ceanothus spinosus Fred M. Roberts 2013-5-30 7776 Orange Lomas de Santiago: Santiago Creek Wash, at Santiago Canyon Road bridge (south side), 0.3 km W jct. Silverado and Santiago Canyon Roads. 299 Comment
  RSA0029936  Acacia retinodes Fred M. Roberts 2013-5-15 7774 Orange San Joaquin Hills: Buck Gully, north slope, along south side of San Joaquin Hills Drive, 1.6 km NNW summit Pelican Hill. 174 Comment
  RSA0029940  Oenothera speciosa Fred M. Roberts 2013-5-15 7772 Orange San Joaquin Hills: Buck Gully, north slope, Newport Beach, near Ocean Beach Drive, 1.8 km NW summit Pelican Hill. 122 Comment
  RSA0029944  Xylococcus bicolor Fred M. Roberts, Sandra Leatherman 2013-2-13 7720 Orange Santa Ana Mountains: Ridge south of central Santiago Canyon, near Joplin Trail, 3.7 km SE Modjeska (town). 800 Comment
  RSA0029945  Comarostaphylis diversifolia subsp. diversifolia Fred M. Roberts, Sandra Leatherman 2013-2-13 7719 Orange Santa Ana Mountains: Ridge south of central Santiago Canyon, near Joplin Trail, 3.7 km SE Modjeska (town). 792 Comment
  RSA0036109  Conyza canadensis Fred M. Roberts, Carol A. Roberts 2008-9-28 7113 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor) 75 Comment
  RSA0042764  Anemopsis californica Fred Roberts 2012-7-18 7671 Orange San Joaquin Hills: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus of Poppy Street and 2.1 km WNW summit of Pelican Hill. 37 Comment
  RSA0042765  Iva hayesiana Fred M. Roberts 2012-7-18 7670 Orange SAN JOAQUIN HILLS: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus of Poppy Street and 2.1 km WNW summit of Pelican Hill. 37 Comment
  RSA0042766  Artemisia palmeri Fred M. Roberts 2012-7-18 7669 Orange SAN JOAQUIN HILLS: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus of Poppy Street and 2.1 km WNW summit of Pelican Hill. 37 Comment
  RSA0042767  Salix exigua Fred M. Roberts 2012-7-18 7675 Orange SAN JOAQUIN HILLS: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus of Poppy Street and 2.1 km WNW summit of Pelican Hill. 37 Comment
  RSA0043357  Nama stenocarpa Fred M. Roberts, Laura Cohen 2012-10-31 7714 Orange San Joaquin Hills. Upper Laguna Lake, north end. Laguna Coast Wilderness Park, c. 5.1 km east northeast of Signal Hill. 113 Comment
  RSA0043358  Crypsis schoenoides Fred M. Roberts, Laura Cohen 2012-10-31 7715 Orange San Joaquin HillsL Laguna Lake 1 (Upper Laguna Lake), north end. Laguna Coast Wilderness Park, ca. 5.1 km ENE Signal Hill. 113 Comment
  RSA0043359  Persicaria lapathifolia Fred M. Roberts, Laura Cohen 2012-10-31 7716 Orange San Joaquin Hills: Laguna Lake 1 (Upper Laguna Lake), north end. Laguna Coast Wilderness Park, ca. 5.1 km ENE Signal Hill. 113 Comment
  RSA0043360  Juglans californica Fred M. Roberts 2013-8-8 7802 Orange Peninsular Ranges. SANTA ANA MTNS.: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.8 km ENE Silverado School and 1.5 km up stream Black Star Road crossing. 325 Comment
  RSA0043361  Brickellia desertorum Fred M. Roberts 2013-8-9 7803 Orange Peninsular Ranges: Santa Ana Mtns.: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 km ENE Silverado School and 1.3 km up stream Black Star Road crossing. 323 Comment
  RSA0044742  Stephanomeria diegensis Fred M. Roberts, Art Davenport 2003-9-11 6010 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy. Cristianitos Cyn., 0.79 km N Sycamore Gate 0.23 km w of Crisianitos Road. 126 Comment
  RSA0050274  Verbena lasiostachys Fred M. Roberts 2012-7-18 7680 Orange San Joaquin Hills: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus, of Poppy Street and 2.1 km WNW summit of Pelican Hill. 37 Comment
  RSA0050275  Isocoma menziesii var. menziesii Fred M. Roberts 2012-9-6 7694 Orange SAN JOAQUIN HILLS: Buck Gully, Buck Gully Trail, west end near Poppy Street entrance, 2.1 km WNW Pelican Hill summit. 37 Comment
  RSA0050276  Romneya coulteri Fred M. Roberts 2013-6-12 7799 Orange Peninsular Ranges SANTA ANA MTNS.: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road,, 0.9 km ENE Silverado School and 1.7 km up stream Black Star Road crossing. 332 Comment
  RSA0058185  Polypogon monspeliensis Fred M. Roberts 2014-4-21 7871 Orange South Coast: San Joaquin Hills: Upper Laguna Lake 1 (upper Laguna Lake), north basin. 113 Comment
  RSA0058186  Bromus diandrus Fred M. Roberts 2014-4-21 7870 Orange South Coast: San Joaquin Hills: Upper Laguna Lake 1 (upper Laguna Lake), north basin. 113 Comment
  RSA0059656  Cirsium occidentale var. occidentale Fred M. Roberts, David E. Bramlet 2003-6-6 5907 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Cristianitos Canyon, 0.86 km SSW Gato Gate and 0.39 km W of Cristianitos Road. 149 Comment
  RSA0060156  Nicotiana quadrivalvis Fred M. Roberts 1999-4-21 5177 Orange Lomas de Santiago: Loma Ridge, ridges north of Dripping Springs Cyn., 1.5 km W Silverado Sch. and 4.8 km NNW Bolero Lookout. 365 Comment
  RSA0063395  Dudleya edulis Fred M. Roberts, David Bramlet 2003-6-6 5909 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Cristianitos Canyon, 0.86 km SSW Gato Gate and 0.39 km W of Cristianitos Road. 149 Comment
  RSA0066594  Harpagonella palmeri Fred M. Roberts, D. E. Bramlet 2003-3-7 5563 Orange Donna O Neill Land Conservancy: West slopes of Christianitos Canyon, Middle Ridge Trail, 0.1km NW Gato Gate. 123 Comment
  RSA0069225  Senna marilandica Fred M. Roberts, Sandra Leatherman 2008-9-3 7080 Orange Yorba Linda: Santa Ana River Canyon, Santa Ana River, 0.6 km W Gypsum Cyn. bridge, south of La Palma Ave. 113 Comment
  RSA0069226  Koelreuteria bipinnata Fred M. Roberts 2008-9-3 7081 Orange Yorba Linda: Santa Ana River Canyon, Santa Ana River, 0.6 km W Gypsum Cyn. bridge, south of La Palma Ave. 113 Comment
  RSA0069227  Cyperus difformis Fred M. Roberts 2008-9-3 7082 Orange Yorba Linda: Santa Ana River Canyon, Santa Ana River, 0.7 km W Gypsum Cyn. bridge, south of La Palma Ave. 107 Comment
  RSA0069228  Bacopa monnieri Fred M. Roberts, Sandra Leatherman 2008-9-3 7090 Orange Yorba Linda: Santa Ana River Canyon, Santa Ana River, 0.6 km W Gypsum Cyn. bridge, south of La Palma Ave. 113 Comment
  RSA0069229  Baccharis sarothroides Fred M. Roberts, Sandra Leatherman 2008-9-3 7091 Orange Santa Ana River Canyon: Yorba Linda: intersection of La Palma Ave. and Mercado del Rio Street. 135 Comment
  RSA0069233  Glebionis coronaria Fred M. Roberts, Lee Ann Caranza 2009-4-7 7138 Orange Dana Point Headlands: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor. 65 Comment
  RSA0069234  Eschscholzia californica Fred M. Roberts, Lee Ann Caranza 2009-4-7 7139 Orange Dana Point Headlands: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor. 65 Comment
  RSA0069235  Nicotiana clevelandii Fred M. Roberts, Lee Ann Caranza 2009-4-7 7140 Orange Dana Point Headlands: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor. 60 Comment
  RSA0069236  Cirsium occidentale var. occidentale Fred M. Roberts, Lee Ann Caranza 2009-4-7 7141 Orange Dana Point Headlands: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor. 60 Comment
  RSA0069883  Brassica geniculata Fred M. Roberts 2014-4-21 7860 Orange South Coast: San Joaquin Hills: Upper Laguna Lake 1 (upper Laguna Lake), south basin. 113 Comment
  RSA0072404  Heteromeles arbutifolia Fred M. Roberts, Robert L. Allen 2004-1-16 6020 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.56 km SSW Gato Gate and 0.15 km W of Cristianitos Rd. 92 Comment
  RSA0073644  Festuca octoflora var. octoflora Fred M. Roberts, Lee Ann Caranza, Eliza Maher 2009-4-7 7145 Orange South Coast Region: DANA POINT HEADLANDS: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor. 50 Comment
  RSA0073645  Logfia filaginoides Fred M. Roberts, Lee Ann Caranza, Eliza Maher 2009-4-7 7146 Orange South Coast Region: DANA POINT HEADLANDS: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor. 50 Comment
  RSA0073646  Euphorbia misera Fred M. Roberts 2010-3-12 7175 Orange Southeast Coast: DANA POINT HEADLANDS: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c.a. 150 meters SE Interpretive Center. 50 Comment
  RSA0073650  Camissonia cheiranthifolia subsp. suffruticosa Fred M. Roberts 2010-3-12 7181 Orange Southeast Coast: Dana Point Headlands: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c.a. 150 meters SE Interpretive Center. 50 Comment
  RSA0073651  Croton californicus Fred M. Roberts 2010-3-12 7185 Orange Southeast Coast: Dana Point Headlands: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c.a. 150 meters SE Interpretive Center. 50 Comment
  RSA0073652  Deinandra paniculata Fred M. Roberts 2014-7-25 7882 Orange South Coastal Plain: San Joaquin Hills: Laguna Canyon, Nix Nature Center, Laguna Coast Wilderness Park, about 4.4 km E Signal Peak. 126 Comment
  RSA0073653  Bromus diandrus Fred M. Roberts 2010-3-12 7182 Orange Southeast Coast: Dana Point Headlands: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c.a. 150 meters SE Interpretive Center. 50 Comment
  RSA0073654  Descurainia pinnata subsp. halictorum Fred M. Roberts 2010-3-12 7183 Orange Southeast Coast: Dana Point Headlands: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c.a. 150 meters SE Interpretive Center. 50 Comment
  RSA0073655  Rhus integrifolia Fred M. Roberts 2010-3-12 7184 Orange Southeast Coast: Dana Point Headlands: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c.a. 150 meters SE Interpretive Center. 50 Comment
  RSA0073656  Galium aparine Fred M. Roberts, Lee Ann Caranza 2009-4-7 7142 Orange Dana Point Headlands: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor. 60 Comment
  RSA0073657  Deinandra paniculata Fred M. Roberts 2014-7-25 7893 Orange South Coastal Plain: San Joaquin Hills: Laguna Canyon, just west of Laguna Lake 1, 4.8 km ENE Signal Hill, Laguna Coast Wilderness Park. 116 Comment
  RSA0073658  Verbena lasiostachys var. lasiostachys Fred M. Roberts 2014-7-25 7888 Orange South Coast: San Joaquin Hills: Laguna Lake 1 (Upper Laguna Lake), south basin. 113 Comment
  RSA0073659  Camissonia micrantha Fred M. Roberts, Lee Ann Caranza 2009-4-7 7143 Orange Dana Point Headlands: Dana Point CNLM Preserve, 0.5 km WNW Dana Point Marine Institute at Dana Point Harbor, near Interpretive Center. 70 Comment
  RSA0075823  Heterotheca grandiflora Fred M. Roberts, David E. Bramlet 2003-6-20 5919 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, tributary to Cristianitos Cyn., along Back Road, 1.48 km WNW Sycamore Gate. 189 Comment
  RSA0089220  Schismus barbatus Fred M. Roberts 2014-4-21 7862 Orange South Coast: San Joaquin Hills: Upper Laguna Lake 1 (upper Laguna Lake), north basin. 113 Comment
  RSA0089221  Bromus madritensis subsp. rubens Fred M. Roberts 2014-4-21 7865 Orange South Coast: San Joaquin Hills: Upper Laguna Lake 1 (upper Laguna Lake), north basin. 113 Comment
  RSA0089222  Cynodon dactylon Fred M. Roberts 2014-4-21 7864 Orange South Coast: San Joaquin Hills: Upper Laguna Lake 1 (upper Laguna Lake), north basin. 113 Comment
  RSA0089223  Hordeum murinum subsp. leporinum Fred M. Roberts 2014-4-21 7863 Orange South Coast: San Joaquin Hills: Upper Laguna Lake 1 (upper Laguna Lake), north basin. 113 Comment
  RSA0089224  Bromus hordeaceus Fred M. Roberts 2014-4-21 7869 Orange South Coast: San Joaquin Hills: Upper Laguna Lake 1 (upper Laguna Lake), north basin. 113 Comment
  RSA0089225  Calystegia macrostegia subsp. intermedia Fred M. Roberts 2014-4-21 7850 Orange South Coast: San Joaquin Hills: Laguna Lake 1 (Upper Laguna Lake), south basin. 113 Comment
  RSA0098513  Spergularia marina Fred M. Roberts, Sandy Leatherman 2007-11-27 6693 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd. 118 Comment
  RSA0106543  Platanus racemosa Fred M. Roberts 2007-9-11 6572 Orange Aliso Viejo: tributary to Aliso Creek on west side of Moulton Pkwy., 0.2 km N Aliso Viejo Pkwy., adj. to Kinder Care Learning Center. 83 Comment
  RSA0119677  Lonicera japonica Fred M. Roberts 2015-4-16 7940 Orange Newport Beach: Big Canyon, north side, vicinity of Big Canyon Trail, 0.5 km W Corona Del Mar High School. 2 Comment
  RSA0119678  Hesperocnide tenella Fred M. Roberts 2015-3-10 7927 Orange San Joaquin Hills: Niguel Hill, on ridge above Aliso Canyon ear end of Ceanothus Drive (Hangover House property), 0.4 km WNW summit Aliso Peak. 122 Comment
  RSA0119679  Apiastrum angustifolium Fred M. Roberts 2015-3-10 7926 Orange San Joaquin Hills: Niguel Hill, on ridge above Aliso Canyon ear end of Ceanothus Drive (Hangover House property), 0.4 km WNW summit Aliso Peak. 122 Comment
  RSA0119683  Caulanthus lasiophyllus Fred M. Roberts 2015-3-10 7922 Orange San Joaquin Hills: Niguel Hill, on ridge above Aliso Canyon ear end of Ceanothus Drive (Hangover House property), 0.4 km WNW summit Aliso Peak. 122 Comment
  RSA0119684  Allium praecox Fred M. Roberts 2015-3-10 7921 Orange San Joaquin Hills: Niguel Hill, on ridge above Aliso Canyon ear end of Ceanothus Drive (Hangover House property), 0.4 km WNW summit Aliso Peak. 122 Comment
  RSA0121734  Vitis girdiana Fred M. Roberts, Sandra Leatherman 2007-11-27 6671 Orange Yorba Linda: Santa Ana Canyon, Santa Ana River wash, S of E La Palma Road near Via Lomas de Yorba Linda, about 0.6 km W Gypsum Cyn. bridge. 113 Comment
  RSA0121735  Vitis girdiana Fred M. Roberts, Sandra Leatherman 2007-11-9 6645 Orange San Juan Canyon along San Juan Creek. 0.2 km E community of San Juan Hot Springs. 222 Comment
  RSA0121736  Vitis girdiana Fred M. Roberts, Michelle Balk, Robert Allen, Chris Barnhill 2004-6-19 6058 Orange Santa Ana Mtns: Holy Jim Cyn.: Holy Jim Trail, 3.5km SE summit of Santiago Peak. 610 Comment
  RSA0121781  Vitis girdiana Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6112 Orange Caspers Wilderness Park, San Juan Cyn., Old San Juan Hot Springs, ca. 0.4km SW San Juan Ranger Station, north of SR 74. 214 Comment
  RSA0125886  Stachys rigida subsp. quercetorum Fred M. Roberts Jr. 2012-5-10 7573 Orange San Joaquin Hills: Buck Gully, south tributary, north slope Pelican hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit. 154 Comment
  RSA0125893  Myoporum sandwicense Fred M. Roberts 2012-5-9 7551 Orange Lake Forest: near Serrano Creek, utility road, 0.3 km SSW intersection of Commerce Centre and Dimension Drives. 206 Comment
  RSA0125894  Oenothera speciosa Fred M. Roberts 2012-5-9 7550 Orange Lake Forest: near Serrano Creek, utility road, 0.3 km SSW intersection of Commerce Centre and Dimension Drives. 206 Comment
  RSA0126614  Calystegia macrostegia subsp. cyclostegia Fred M. Roberts 2012-4-27 7537 Orange San Joaquin Hills: Buck Gully, W of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km W Signal Peak. 179 Comment
  RSA0126615  Eriogonum fasciculatum var. fasciculatum Fred M. Roberts 2012-4-27 7498 Orange San Joaquin Hills: Buck Gully, W of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km W Signal Peak. 179 Comment
  RSA0126616  Acacia Fred M. Roberts 2012-4-27 7497 Orange San Joaquin Hills: Buck Gully, W of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km W Signal Peak. 179 Comment
  RSA0126620  Euphorbia polycarpa var. polycarpa Fred M. Roberts 2012-4-24 7514 Orange San Joaquin Hills: Buck Gully, W of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km W Signal Peak. 179 Comment
  RSA0126621  Mirabilis laevis var. crassifolia Fred M. Roberts 2012-4-24 7501 Orange San Joaquin Hills: Buck Gully, W of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km W Signal Peak. 179 Comment
  RSA0126622  Salvia mellifera Fred M. Roberts 2012-4-24 7502 Orange San Joaquin Hills: Buck Gully, W of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km W Signal Peak. 179 Comment
  RSA0126623  Pseudognaphalium californicum Fred M. Roberts 2012-4-24 7506 Orange San Joaquin Hills: Buck Gully, W of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km W Signal Peak. 179 Comment
  RSA0127340  Senecio vulgaris Fred M. Roberts 2016-3-17 8022 Orange San Joaquin Hills: City of Irvine, Ridge between Coyote Canyon and Bommer Canyon along Turtle Ridge Trail, 0.6 km NNE Signal Peak and 1.1 km SW Cattle Camp. 314 Comment
  RSA0127344  Astragalus didymocarpus var. didymocarpus Fred M. Roberts 2016-4-29 8047 Orange Lomas de Santiago: north of Santiago Canyon Road, southwest slope of hill marked 1332 on topo maps, just west of Irvine Lake, 1.6 km S Irvine Lake dam spillway and 0.8 km NW Irvine Lake Park. 335 Comment
  RSA0127345  Mentzelia dispersa Fred M. Roberts 2016-4-29 8048 Orange Lomas de Santiago: north of Santiago Canyon Road, southwest slope of hill marked 1332 on topo maps, just west of Irvine Lake, 1.6 km S Irvine Lake dam spillway and 0.8 km NW Irvine Lake Park. 335 Comment
  RSA0127346  Erigeron sumatrensis Fred M. Roberts 2016-4-29 8049 Orange Lomas de Santiago: north of Santiago Canyon Road, southwest slope of hill marked 1332 on topo maps, just west of Irvine Lake, 1.6 km S Irvine Lake dam spillway and 0.8 km NW Irvine Lake Park. 335 Comment
  RSA0127348  Physalis crassifolia Fred M. Roberts 2016-5-3 8051 Orange City of Irvine: San Joaquin Hills, Turtle Rock Community above Ridgeline Road, 0.7 km ESE summit of French Hill. 107 Comment
  RSA0127350  Echium candicans Fred M. Roberts 2016-5-20 8058 Orange City of Irvine: San Joaquin Hills, Turtle Rock Community along Ridge Route Road, 1.0 km SE summit of French Hill and just NE intersection with Hillsborough Drive. 122 Comment
  RSA0127410  Pectocarya linearis var. ferocula Fred M. Roberts 2016-3-17 8005 Orange San Joaquin Hills: City of Irvine, Bommer Canyon, east fork, 0.3 km ESE Cattle Camp near East Fork Trail. 152 Comment
  RSA0127414  Acmispon glaber var. glaber Fred M. Roberts 2016-3-17 8009 Orange San Joaquin Hills: City of Irvine, Bommer Canyon, east fork, 0.3 km ESE Cattle Camp near East Fork Trail. 152 Comment
  RSA0127415  Lamarckia aurea Fred M. Roberts 2016-3-17 8010 Orange San Joaquin Hills: City of Irvine, Bommer Canyon, east fork, 0.3 km ESE Cattle Camp near East Fork Trail. 152 Comment
  RSA0127416  Bromus madritensis subsp. rubens Fred M. Roberts 2016-3-17 8011 Orange San Joaquin Hills: City of Irvine, Bommer Canyon, east fork, 0.3 km ESE Cattle Camp near East Fork Trail. 152 Comment
  RSA0127418  Dichelostemma capitatum subsp. capitatum Fred M. Roberts 2016-3-17 8013 Orange San Joaquin Hills: City of Irvine, Ridge between Coyote Canyon and Bommer Canyon along Turtle Ridge Trail, 0.6 km NNE Signal Peak and 1.1 km SW Cattle Camp. 314 Comment
  RSA0127420  Lasthenia gracilis Fred M. Roberts 2016-3-17 8015 Orange San Joaquin Hills: City of Irvine, Ridge between Coyote Canyon and Bommer Canyon along Turtle Ridge Trail, 0.6 km NNE Signal Peak and 1.1 km SW Cattle Camp. 314 Comment
  RSA0127421  Spergularia villosa Fred M. Roberts 2016-3-17 8016 Orange San Joaquin Hills: City of Irvine, Ridge between Coyote Canyon and Bommer Canyon along Turtle Ridge Trail, 0.6 km NNE Signal Peak and 1.1 km SW Cattle Camp. 314 Comment
  RSA0127422  Silene gallica Fred M. Roberts 2016-3-17 8017 Orange San Joaquin Hills: City of Irvine, Ridge between Coyote Canyon and Bommer Canyon along Turtle Ridge Trail, 0.6 km NNE Signal Peak and 1.1 km SW Cattle Camp. 314 Comment
  RSA0127423  Sanicula arguta Fred M. Roberts 2016-3-17 8018 Orange San Joaquin Hills: City of Irvine, Ridge between Coyote Canyon and Bommer Canyon along Turtle Ridge Trail, 0.6 km NNE Signal Peak and 1.1 km SW Cattle Camp. 314 Comment
  RSA0127595  Primula clevelandii var. clevelandii Fred M. Roberts 2016-3-17 8025 Orange San Joaquin Hills: City of Irvine, Ridge between Coyote Canyon and Bommer Canyon along Turtle Ridge Trail, 0.6 km NNE Signal Peak and 1.1 km SW Cattle Camp. 314 Comment
  RSA0127596  Stachys rigida var. quercetorum Fred M. Roberts 2016-3-17 8026 Orange San Joaquin Hills: City of Irvine, west slope, Bommer Canyon along Turtle Ridge Trail, 0.8 km NE Signal Peak and 0.9 km SW Cattle Camp. 265 Comment
  RSA0127600  Cryptantha microstachys Fred M. Roberts 2016-3-25 8030 Orange San Joaquin Hills: Bommer Canyon, west slope near south end fo Nature Loop Trail, 0.1 km NW Cattle Camp and 1.6 km NE summit of Signal Peak. 146 Comment
  RSA0127601  Phacelia parryi Fred M. Roberts 2016-3-25 8031 Orange San Joaquin Hills: Bommer Canyon, west slope near south end fo Nature Loop Trail, 0.1 km NW Cattle Camp and 1.6 km NE summit of Signal Peak. 146 Comment
  RSA0127602  Physalis crassifolia Fred M. Roberts 2016-3-25 8032 Orange San Joaquin Hills: Bommer Canyon, west slope near south end fo Nature Loop Trail, 0.1 km NW Cattle Camp and 1.6 km NE summit of Signal Peak. 146 Comment
  RSA0127603  Salvia columbariae Fred M. Roberts 2016-3-25 8033 Orange San Joaquin Hills: Bommer Canyon, west slope near south end fo Nature Loop Trail, 0.1 km NW Cattle Camp and 1.6 km NE summit of Signal Peak. 146 Comment
  RSA0127607  Calystegia macrostegia subsp. cyclostegia Fred M. Roberts 2016-4-15 8037 Orange Lomas de Santiago: South of Santiago Canyon Road, Lower Presida Canyon (local name), 2.3 km S Irvine Lake dam spillway and 1.1 km WSW Irvine Lake Park. 271 Comment
  RSA0127608  Erodium malacoides Fred M. Roberts 2016-4-18 8038 Orange City of Irvine: San Joaquin Hills, Turtle Rock Community, slopes above San Rufino Drive, 1.0 km SSW summit of French Hill. 101 Comment
  RSA0127609  Carex praegracilis Fred M. Roberts 2016-4-26 8040 Orange Lomas de Santiago: South of Santiago Canyon Road in tributary to Lower Presida Canyon just southwest of Irvine Lake, 2.2 km S Irvine Lake dam spillway and 0.6 km SW Irvine Lake Park. 265 Comment
  RSA0127610  Phalaris minor Fred M. Roberts 2016-4-26 8041 Orange Lomas de Santiago: South of Santiago Canyon Road in tributary to Lower Presida Canyon just southwest of Irvine Lake, 2.2 km S Irvine Lake dam spillway and 0.6 km SW Irvine Lake Park. 265 Comment
  RSA0127611  Sisymbrium officinale Fred M. Roberts 2016-4-26 8042 Orange Lomas de Santiago: South of Santiago Canyon Road in tributary to Lower Presida Canyon just southwest of Irvine Lake, 2.2 km S Irvine Lake dam spillway and 0.6 km SW Irvine Lake Park. 265 Comment
  RSA0127612  Torilis nodosa Fred M. Roberts 2016-4-26 8043 Orange Lomas de Santiago: South of Santiago Canyon Road in tributary to Lower Presida Canyon just southwest of Irvine Lake, 2.2 km S Irvine Lake dam spillway and 0.6 km SW Irvine Lake Park. 265 Comment
  RSA0127613  Amsinckia menziesii Fred M. Roberts 2016-4-26 8044 Orange Lomas de Santiago: South of Santiago Canyon Road in tributary to Lower Presida Canyon just southwest of Irvine Lake, 2.2 km S Irvine Lake dam spillway and 0.6 km SW Irvine Lake Park. 265 Comment
  RSA362300  Zannichellia palustris Fred M. Roberts, E. Fisher 1985-6-17 s.n. Orange O neill Regional Park, Arroyo Trabuco, Well, 1.7km NNE jct Arroyo Trabuco and Tijeras Canyon. 180 Comment
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Feb 22 2019
  RSA450847  Euphorbia misera Fred M. Roberts 1983-3-10 885 Orange Dana point Headlands; south of Scenic Dr. 0.3 km W Dana Point Harbor; 0.8km S Richard Henry Dana School. 60 Comment
  RSA450871  Eriogonum cinereum Fred M. Roberts 1985-7-22 2058 Orange Irvine: MacArthur Blvd., 0.2km N Bonita Canyon Rd.; 1.6 km W UC Irvine campus. 15 Comment
  RSA450873  Acacia saligna Fred M. Roberts 1984-3-15 1260 Orange Newport Beach; Upper Newport Back Bay, along Back Bay Drive, 3.0 km. W UC Irvine campus center; 1.0 km. SSW Bayview School. 2 Comment
  RSA450874  Hypericum canariense Fred M. Roberts 1984-4-29 1361 Orange Dana point Headlands: 0.5km NW Dana Point Harbor; 0.4km S Richard Henry Dana School 75 Comment
  RSA452553  Echinochloa crus-galli Fred M. Roberts 1987-8-19 3586 Orange Santa Ana River: adjacent to Fountain Valley, Harbor Bridge. 13 Comment
  RSA488121  Lomatium dasycarpum subsp. dasycarpum Fred M. Roberts, K. G. Marsh 1984-2-15 1193 Orange Caspers Regional Park: South rim of Lucas Cyn., 3.6 km NE Visitor Center; 0.7 km WNW Lucas Survey Mark 360 Comment
  RSA488123  Ceanothus oliganthus var. sorediatus Fred M. Roberts, Karlin G. Marsh 1984-2-15 1186 Orange Caspers Regional Park, south rim of Lucas Canyon along Rancho Carrillo Rd., 4.2 km NE Visitor Center; 0.2 km NW Lucas Survey Marker. 420 Comment
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Sep 17 2014
  RSA488127  Turricula parryi Fred M. Roberts 1985-7-26 2090 Orange Main Divide Truck Trail near Los Pinos saddle, 1.5 km NE Los Pinos Peak. 1257 Comment
  RSA488136  Salix lucida subsp. lasiandra Fred M. Roberts Jr. 1985-8-23 2176 Orange Mission Viejo: Oso Pkwy., ca. 1.8km E San Diego Fwy. 133 Comment
  RSA512408  Rhamnus ilicifolia Fred M. Roberts 1987-3-31 3296 Orange Lomas De Santiago: Lomas Ridge, Upper Serrano Canyon east fork, 2.8 km SE Bolero Lookout 345 Comment
  RSA524504  Castilleja foliolosa Fred M. Roberts, H. Camp 1987-3-10 3240 Orange Casper's Regional Park: San Juan Canyon, north of Hwy 74, ca. 1.9km WSW San Juan Hot Springs. 335 Comment
  RSA535962  Calochortus catalinae Fred M. Roberts, Carol Roberts 1989-4-7 4261 Orange Aliso-Wood Canyons Regional Park: Upper Wood Canyon, 0.6km NW Moulton Peak. 131 Comment
  RSA535965  Quercus berberidifolia Fred M. Roberts, Carol A. Roberts 1989-4-7 4264 Orange Aliso Wood Canyon Regional Park: Upper Wood Canyon, 0.4km W Moulton Peak. 104 Comment
  RSA535968  Nassella pulchra Fred M. Roberts 1989-4-17 4267 Orange Santa Ana Mtns: Central Blind Canyon, 7.3km SW Sierra Peak, 2.4km N Irvine Lake,, UTM 37 40 700 m N, 4 32 900m E. 259 Comment
  RSA535969  Trichostema lanatum Fred M. Roberts 1989-4-17 4268 Orange Santa Ana Mountains: Upper Blind Canyon, 7.2km SW Sierra Peak, ca. 2.7km N Irvine Lake. 305 Comment
  RSA539341  Achnatherum coronatum Fred M. Roberts, Karlin G. Marsh 1989-3-7 4193 Orange Lomas de Santiago: Loma Ridge, Hicks Canyon, 2.3km W Bee Survey Mark., UTM 37 32 200mN, 4 32 900mE 165 Comment
  RSA539342  Vulpia microstachys var. confusa Fred M. Roberts, Carol A. Roberts 1988-6-9 4079 Orange Santa Ana Mountains: Modjeska Peak, 0.9km SW summit., 3730500mN, 449000mE 1542 Comment
  RSA539344  Piperia cooperi Fred M. Roberts, Gordon Marsh 1987-5-14 3449 Orange Santa Ana Mountains: Upper Trabuco Canyon, Trabuco Canyon Trail, 2 kilometers NNW Los Pinos Peak. 856 Comment
  RSA539345  Calochortus catalinae Fred M. Roberts 1988-2-9 3781 Orange Lomas de Santiago: Loma Ridge, 1.5 km N Bee Survey Mark. 381 Comment
  RSA539351  Eriogonum saxatile Fred M. Roberts 1988-6-10 4097 Orange Santa Ana Mountains: Modjeska Peak, 0.9km SW summit. 1542 Comment
  RSA539353  Chorizanthe staticoides Fred M. Roberts, Carol A. Roberts 1988-6-2 4041 Orange Silverado Canyon, Maple Springs Truck Trail, 4.3 km above gate., 1.0km WSW Bald Pk. 825 Comment
  RSA539357  Argemone munita subsp. robusta Fred M. Roberts 1988-6-10 4101 Orange Santa Ana Mountains: Modjeska Peak, 0.4 km WSW summit. 1621 Comment
  RSA539360  Penstemon heterophyllus var. australis Fred M. Roberts, Carol A. Roberts 1988-6-9 4077 Orange Santa Ana Mountains: Main Divide Truck Trail, saddle between Modjeska Peak and Santiago Pk., 0.5 km Ee summit of Modjeska Pk. 1445 Comment
  RSA539362  Antirrhinum coulterianum Fred M. Roberts, Carol A. Roberts 1988-6-9 4075 Orange Santa Ana Mountains: Main Divide Truck Trail, saddle between Modjeska Peak and Santiago Pk., 0.5 km Ee summit of Modjeska Pk. 1445 Comment
  RSA539363  Jepsonia parryi Fred M. Roberts Jr., R. L. Allen 1988-11-30 4165 Orange Aliso-Woods Canyon Regional Park: Niguel Hill, 0.8 km NE Aliso Peak, in Seaview Park. 277 Comment
  RSA539364  Salix laevigata Fred M. Roberts Jr., Carol A. Roberts 1988-7-5 4107 Orange San Juan Canyon, 0.4 km SW Lower San Juan Picnic Ground. 410 Comment
  RSA539367  Cercocarpus betuloides Fred M. Roberts 1989-2-21 4181 Orange Aliso-Woods Canyon Regional Park: Niguel Hill, 1.6 km ENE Aliso Peak. 268 Comment
  RSA539375  Aristida ternipes var. hamulosa Fred M. Roberts, Karlin G. Marsh 1989-3-7 4196 Orange Lomas de Santiago: Loma Ridge, tributary to Hicks Canyon, 1.7 kilometer W Bee Survey Mark., UTM 37 32 400m N, 4 33 500m E 204 Comment
  RSA539376  Bromus pseudolaevipes Fred M. Roberts 1988-6-9 4068 Orange Santa Ana Mountains: Main Divide Truck Trail, Upper Silverado Canyon, 1.9 kilometer N Modjeska Peak., UTM 3733000mN, 449500mE 1128 Comment
  RSA539378  Dactylis glomerata Fred M. Roberts 1988-6-9 4080 Orange Santa Ana Mountains: Modjeska Peak, 0.9km SW summit., 3730500mN, 449000mE 1542 Comment
  RSA539379  Camissonia hirtella Fred M. Roberts, C. A. Roberts 1988-6-2 4036 Orange Santa Ana Mountains: Silverado Canyon. Maple Springs Truck trail. 4.3 km above gate, 1.0 km WSW Bald Peak. 817 Comment
  RSA539380  Camissonia hirtella Fred M. Roberts, Carol A. Roberts 1988-6-2 4044 Orange Santa Ana Mtns.: Maple Springs Truck Trail, 8.7 km above Silverado Gate, 2.4 km N Modjeska Pk. 352 Comment
  RSA539381  Camissonia hirtella Fred M. Roberts, Carol A. Roberts 1988-6-9 4087 Orange Santa Ana Mtns.: Modjeska Peak, 0.9km SW summit. 1542 Comment
  RSA539383  Eschscholzia californica var. peninsularis Fred M. Roberts, Carol A. Roberts 1988-6-9 4076 Orange Santa Ana Mountains: Main Divide Truck Trail, saddle between Modjeska Peak and Santiago Pk., 0.5 km Ee summit of Modjeska Pk. 1445 Comment
  RSA539387  Phacelia brachyloba Fred M. Roberts, Carol A. Roberts 1988-6-2 4034 Orange Santa Ana Mtns: Silverado Canyon, Maple Springs Truck Trail, 4.3km above gate. 1.0 km WSW Bald Peak. 817 Comment
  RSA539390  Mentzelia micrantha Fred M. Roberts, Carol A. Roberts 1988-6-2 4039 Orange Santa Ana Mtns: Silverado Canyon, Maple Springs Truck Trail, 4.3km above gate. 1.0 km WSW Bald Peak. 817 Comment
  RSA539391  Mentzelia micrantha Fred M. Roberts, Carol A. Roberts 1988-6-9 4072 Orange Santa Ana Mountains: Main Divide Truck Trail, Modjeska Peak, west slope, 0.5 km NNW summit. 1417 Comment
  RSA539394  Camissonia ignota Fred M. Roberts, Carol A. Roberts 1988-6-2 4033 Orange Santa Ana Mountains: Silverado Canyon. Maple Springs Truck trail. 4.3 km above gate, 1.0 km WSW Bald Peak. 817 Comment
  RSA539397  Aralia californica Fred M. Roberts, Carol A. Roberts 1988-6-9 4067 Orange Santa Ana Mountains: Main Divide Truck Trail, Upper Silverado Canyon, 1.9 kilometer N Modjeska Peak. 1128 Comment
  RSA539401  Calystegia occidentalis subsp. fulcrata Fred M. Roberts, Carol A. Roberts 1988-6-9 4073 Orange Main Divide Truck trail, Modjeska peak, west slope, 0.5 km W summit. 1460 Comment
  RSA539403  Frankenia salina Fred M. Roberts Jr., Karen Swirsky 1988-6-28 4106 Orange Costa Mesa; Fairview Park, Just west of end of Canyon Drive, 0.1 km W Canyon School. 24 Comment
  RSA539404  Emmenanthe penduliflora Fred M. Roberts, Carol A. Roberts 1988-6-2 4035 Orange Santa Ana Mountains: Silverado Canyon. Maple Springs Truck trail. 4.3 km above gate, 1.0 km WSW Bald Peak. 817 Comment
  RSA539411  Phacelia curvipes Fred M. Roberts, Carol A. Roberts 1988-6-9 4070 Orange Santa Ana Mountains: Main Divide Truck Trail, Modjeska Peak, west slope, 0.5 km NNW summit. 1417 Comment
  RSA539412  Phacelia suaveolens subsp. keckii Fred M. Roberts, C. A. Roberts 1988-6-9 4086 Orange Santa Ana Mtns.: Modjeska Peak, 0.9km SW summit. 1542 Comment
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Jul 21 2018
  RSA539414  Monardella macrantha subsp. hallii Fred M. Roberts, Carol A. Roberts 1988-6-9 4090 Orange Santa Ana Mountains: Main Divide Truck Trail, Modjeska Pk. west slope, 1.1 km SW summit. 1542 Comment
  RSA539415  Silene antirrhina Fred M. Roberts, Carol A. Roberts 1988-6-9 4088 Orange Santa Ana Mountains: Main Divide Truck Trail, Modjeska Peak, south slope. 0.4km SW summit. 1518 Comment
  RSA539416  Funastrum cynanchoides var. hartwegii Fred M. Roberts, D. Willick 1988-9-16 4133 Orange Peralta Hills: Oak Canyon Nature Center, Upper Walnut Canyon, 1.1 km N Robbers Peak 177 Comment
  RSA539418  Heterotheca sessiliflora subsp. echioides Fred M. Roberts, D. Willick 1988-9-16 4135 Orange Peralta Hills: Oak Canyon Nature Center, Upper Walnut Canyon, 1.1 km N Robbers Peak 177 Comment
  RSA539420  Senecio aphanactis Fred M. Roberts 1989-3-7 4200 Orange Lomas de Santiago: Loma Ridge, tributary to Hicks Canyon, 2.1km W Bee Survey Mark, UTM 37 32 300mN, 4 33 150mE, alt. 183 meters. 183 Comment
  RSA539421  Tetradymia comosa Fred M. Roberts, Doug Willick 1988-9-16 4134 Orange Peralta Hills: Oak Canyon Nature Center, Upper Walnut Canyon, 1.1 km N Robbers Peak 177 Comment
  RSA539424  Minuartia douglasii Fred M. Roberts, Carol A. Roberts 1988-6-9 4084 Orange Santa Ana Mountains: Modjeska Peak, 0.9km SW summit. 1542 Comment
  RSA542246  Chaenactis glabriuscula var. glabriuscula Fred M. Roberts 1988-3-15 3872 Orange Rancho Mission Viejo: Central Gabino Canyon, 7km E Playa Survey Marker, 162 Comment
  RSA542331  Agrostis pallens Fred M. Roberts, K. Keane 1988-5-25 3996 Orange Rancho Mission Veijo: Lower Canada Chiquita, 2.0 kilometers SSE Medium Rancho Survey Marker., UTM 3710600m N, 443550m E. 91 Comment
  RSA542332  Calochortus weedii var. weedii Fred M. Roberts, Kathy Keane 1988-5-25 3999 Orange RANCHO MISSION VIEJO: Lower Canada Gobernadora, c.a. 2.4km SW Cliff Survey Marker. 110 Comment
  RSA542333  Calochortus splendens Fred M. Roberts 1988-4-10 3919 Orange Lomas De Santiago: Loma Ridge, 1.0 kilometer N Bolero Lookout. 415 Comment
  RSA542334  Calochortus catalinae Fred M. Roberts 1988-4-10 3918 Orange Lomas De Santiago: Loma Ridge, Lower Santiago Canyon drainage, 1.1kilometer NNW Bolero Lookout. 451 Comment
  RSA542337  Schoenoplectus maritimus Fred M. Roberts, K. Keane 1988-5-25 4579 Orange Ranch Mission Viejo: Lower Canada Chiquita, 2.4 kilometers SSE Medium Rancho Survey Mark. 69 Comment
  RSA542340  Carex praegracilis Fred M. Roberts, K. Keane 1988-5-25 3983 Orange Ranch Mission Viejo: Lower Canada Chiquita, 2.5 kilometers SSE Medium Rancho Survey Mark. 82 Comment
  RSA542341  Carex praegracilis Fred M. Roberts, Dar A. Roberts 1989-3-22 4215 Orange Aliso-Wood regional Park: Lower Wood Canyon, 3.6 km SSE Moulton Peak. 34 Comment
  RSA542343  Bloomeria crocea var. crocea Fred M. Roberts, Carol A. Williams 1988-4-12 3923 Orange Lomas de Santiago: Loma Ridge, 3.3 km NW Bolero Lookout. 475 Comment
  RSA542347  Verbena tenuisecta Fred M. Roberts Jr. 1988-2-6 3775 Orange Newport beach: Balboa Island, Diamond Ave. south of Park Avenue 2 Comment
  RSA542349  Parietaria hespera var. hespera Fred M. Roberts Jr. 1987-4-21 3382 Orange Aliso Viejo: Aliso Creek, Aliso Creek bike Trail. 3.0 km ENE Moulton Peak. 73 Comment
  RSA542354  Salix gooddingii Fred M. Roberts Jr., Gordon Marsh 1987-8-31 3603 Orange Santa Ana River: adjacent to Santa Ana, 0.5 km NE 17th St. bridge. 27 Comment
  RSA542355  Populus trichocarpa Fred M. Roberts Jr. 1987-5-12 3437 Orange Santa Ana River: Horseshoe Bend, 3.9km S San Juan Hill; 1.0km ENE Wier Canyon Road bridge. 104 Comment
  RSA542356  Populus fremontii Fred M. Roberts Jr. 1987-5-12 3436 Orange Santa Ana River: Horseshoe Bend, 3.9km S San Juan Hill; 1.0km ENE Wier Canyon Road bridge. 104 Comment
  RSA542359  Vulpia bromoides Fred M. Roberts 1988-3-15 3865 Orange Rancho Mission Viejo: Upper Gabino Canyon, 4.1 km SE Point Rancho Survey Marker. 191 Comment
  RSA542360  Achnatherum coronatum Fred M. Roberts 1988-4-8 3897 Orange Lomas de Santiago: Loma Ridge, Central Linestone Canyon, 4.1 kilometers NNW Bolero Lookout. 323 Comment
  RSA542362  Muhlenbergia microsperma Fred M. Roberts 1988-5-13 3970 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Canyon near spring, 2.3 km NW Bolero Lookout 439 Comment
  RSA542365  Melica imperfecta Fred M. Roberts 1988-4-8 3896 Orange Lomas de Santiago: Loma Ridge, Central Linestone Canyon, 4.1 kilometers NNW Bolero Lookout. 323 Comment
  RSA542366  Melica frutescens Fred M. Roberts 1988-3-15 3859 Orange Rancho Mission Viejo; Verdugo Canyon, 1.3 km SSW Lucan Survey Marker 201 Comment
  RSA542370  Hordeum intercedens Fred M. Roberts 1988-4-12 3927 Orange Irvine: south of the San Diego Freeway, 1.2 km ENE French Hill., UTM 3724500m N, 427200m E 41 Comment
  RSA542371  Brachypodium distachyon Fred M. Roberts, Karlin G. Marsh 1988-4-25 3933 Orange San Joaquin Hills: East flank Pelican Hill, 0.9 kilometer SE summit. 120 Comment
  RSA542373  Aristida adscensionis Fred M. Roberts, T. Sholars, B. Stechmeyer s.n. Orange Santa Ana Mountains: Hot Sprinngs Canyon. 1.3 kilometers N Highway 74 by road, 0.7 kilometers NW Juan Rancho Survey Mark., UTM 3717900m N, 452700m E 274 Comment
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Jul 12 2013
  RSA542374  Aristida adscensionis Fred M. Roberts 1988-4-8 3893 Orange Lomas de Santiago: Loma Ridge, Central Linestone Canyon, 4.1 kilometers NNW Bolero Lookout. 323 Comment
  RSA542377  Penstemon spectabilis Fred M. Roberts 1988-3-15 3856 Orange Rancho Mission Viejo: Verdugo Canyon, 0.8 km SE Lucas Survey Mark. 247 Comment
  RSA542381  Lupinus longifolius Fred M. Roberts, T. Sholars, B. Stechmeyer 1988-3-29 3889 Orange Lomas De Santiago: Lomas Ridge, Santiago Canyon Road, 5.5km NW Silverado Canyon Road Jct. 256 Comment
  RSA542382  Lupinus longifolius Fred M. Roberts, T. Sholars, B. Stechmeyer 1988-3-29 3878 Orange Santa Ana Mountains: Hot Springs Canyon, 0.5 km by road north Hwy 74, 0.9 km ESE Juan Rancho Survey Marker. 223 Comment
  RSA542384  Lupinus sparsiflorus subsp. sparsiflorus Fred M. Roberts 1988-3-15 3850 Orange Rancho Mission Viejo: Verdugo Canyon, 2.6 km ENE Point Rancho Survey Mark 149 Comment
  RSA542385  Lupinus sparsiflorus subsp. sparsiflorus Fred M. Roberts 1988-3-15 3871 Orange Rancho Mission Viejo: Central Gabio Canyon, 7.0 km E Playa Survey Marker. 162 Comment
  RSA542392  Geranium carolinianum Fred M. Roberts 1988-3-15 3845 Orange Rancho Mission Viejo: Verdugo Canyon, 2.6 km ENE Point Rancho Survey Mark 149 Comment
  RSA542395  Cneoridium dumosum Fred M. Roberts Jr. 1987-3-24 3271 Orange Laguna Beach: Goff Ridge, south of Nyes Place Rd., 0.9km NNE Goff Island. 169 Comment
  RSA542396  Galium angustifolium subsp. angustifolium Fred M. Roberts Jr., R. E. Riefner 1988-7-19 4122 Orange Modjeska Peak, west slope, along old abandoned road, 0.2 km west summit 1592 Comment
  RSA542399  Rubus ursinus Fred M. Roberts Jr. 1987-3-31 3293 Orange Lomas de Santiago: Lomas Ridge, Upper Serrano Canyon east fork, 2.9 km SE Bolero Lookout. 327 Comment
  RSA542402  Prunus ilicifolia Fred M. Roberts Jr., Carol A. Williams 1988-3-8 3826 Orange San Juan Canyon, Hwy 74, 1.2 km SSW Lower San Juan Picnic Ground. 378 Comment
  RSA542405  Holodiscus discolor var. franciscanus Fred M. Roberts Jr., R. E. Riefner 1988-7-19 4120 Orange Modjeska Peak, west slope, along old abandoned road, 0.2 km west summit 1592 Comment
  RSA542407  Adenostoma fasciculatum var. fasciculatum Fred M. Roberts 1988-4-8 3895 Orange Lomas de Santiago: Loma Ridge, Central Linestone Canyon, 4.1 kilometers NNW Bolero Lookout. 323 Comment
  RSA542409  Ceanothus spinosus Fred M. Roberts 1989-2-23 4189 Orange Aliso-Wood Canyon Regional Park: Niguel Hill above Aliso Canyon along the northern edge of Sea View Pk., 1.2km ENE Aliso Pk. 250 Comment
  RSA542410  Ceanothus spinosus Fred M. Roberts 1988-3-15 3855 Orange Rancho Mission Viejo: Verdugo Canyon, 0.8 km SE Lucas Survey Mark. 247 Comment
  RSA542411  Clematis ligusticifolia Fred M. Roberts, Karen Calloway 1988-1-27 3774 Orange San Juan Canyon, Hwy 74, 1.1km SW Lower San Juan Picnic Ground. 403 Comment
  RSA542417  Ceanothus crassifolius Fred M. Roberts 1988-3-15 3854 Orange Rancho Mission Viejo: Verdugo Canyon, 0.8 km SE Lucas Survey Mark. 247 Comment
  RSA542422  Ceanothus megacarpus var. megacarpus Fred M. Roberts 1988-5-12 3963 Orange Anaheim Hills: Upper Deer Canyon, 7.7 km W Sierra Peak. 268 Comment
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Aug 23 2013
  RSA542426  Chaenactis glabriuscula var. glabriuscula Fred M. Roberts 1988-3-15 3872 Orange Rancho Mission Viejo: Central Gabino Canyon, 7km E Playa Survey Marker, 162 Comment
  RSA542427  Chaenactis glabriuscula var. glabriuscula Fred M. Roberts 1988-4-11 3901 Orange Lomas De Santiago; Loma Ridge, Upper Limestone Canyon, c.a. 3.2 km NNW Bolero Lookout Comment
  RSA542428  Filago californica Fred M. Roberts 1988-4-10 3908 Orange Lomas De Santiago: Loma Ridge, 1.0 kilometer N Bolero Lookout. 415 Comment
  RSA542437  Hemizonia paniculata Fred M. Roberts 1988-7-29 4125 Orange Aliso Viejo: Upper Wood Canyon, 1.5 km N Moulton Peak. 165 Comment
  RSA542438  Hemizonia paniculata Fred M. Roberts 1988-5-25 3877 Orange Ranch Mission Viejo: Lower Canada Chiquita, 2.0 kilometers SSE Medium Rancho Survey Mark. 88 Comment
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Apr 29 2020
  RSA542444  Daucus pusillus Fred M. Roberts, Kathy Keane 1988-5-26 4004 Orange Rancho Mission Viejo: tributary to Trampas canyon, along Christianitos rd., 2.4 km ESE Viejo Survey mark. 128 Comment
  RSA542447  Papaver californicum Fred M. Roberts 1988-3-9 3844 Orange Laguna Beach, Goff Ridge, along Nyes Place, 0.9km NE Goff Island. 169 Comment
  RSA542452  Plumbago auriculata Fred M. Roberts 1987-10-14 3751 Orange Laguna Beach: Lower Blue Bird Canyon at end of Catalina Street. 21 Comment
  RSA542456  Eschscholzia californica var. peninsularis Fred M. Roberts 1988-2-9 3783 Orange Lomas De Santiago, Loma Ridge, Upper Hicks canyon rim, 0.7 km N Bee Survey Mark. 469 Comment
  RSA542459  Dodecatheon clevelandii Fred M. Roberts 1988-3-15 3863 Orange Rancho Mission Viejo: Upper Gabino Canyon, 4.1 km SE Point Rancho Survey Marker. 191 Comment
  RSA542465  Pterostegia drymarioides Fred M. Roberts 1988-4-10 3906 Orange Lomas De Santiago: Loma Ridge, 1.0 kilometer N Bolero Lookout. 415 Comment
  RSA542469  Eriogonum parvifolium Fred M. Roberts 1988-10-12 4160 Orange San Clemente State Park: ca. 0.3km SE end of Ave. Califia along Santa Fe RR. 3 Comment
  RSA542474  Phacelia minor Fred M. Roberts 1988-3-15 3851 Orange Rancho Mission Viejo: Verdugo Canyon, 2.6 km ENE Point Rancho Survey Mark. 149 Comment
  RSA542477  Juglans californica var. californica Fred M. Roberts, Karlin Marsh 1988-4-25 3929 Orange San Joaquin Hills: Irvine Coast, 1.1 km SW Pelican Hill. 44 Comment
  RSA542479  Salvia apiana Fred M. Roberts 1988-5-13 3972 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Canyon near spring, 2.3 km NW Bolero Lookout. 439 Comment
  RSA542482  Salvia columbariae Fred M. Roberts, Teresa Sholars 1988-3-29 3881 Orange Santa Ana Mountains: Hot Springs Canyon, 0.5 km by road north Hwy 74, 0.9 km ESE Juan Rancho Survey Marker. 223 Comment
  RSA542488  Camissonia bistorta Fred M. Roberts, G. A., K. G. Marsh 1988-4-26 3937 Orange San Joaquin Hills: Pelican Hill, 0.5km SE summit. 165 Comment
  RSA542489  Camissonia californica Fred M. Roberts, T. Sholars, B. Stechmeyer 1988-3-29 3884 Orange Santa Ana Mountains: Hot Springs Canyon, 1.3 km N Highway 74 by road, 0.7 km NW Juan Rancho Survey Mark. 84 Comment
  RSA542492  Epilobium canum subsp. latifolium Fred M. Roberts, Richard E. Riefner 1988-7-19 4119 Orange Santa Ana Mountains: Modjeska Peak, west slope, 1.1 km SW summit 1524 Comment
  RSA542494  Mimulus aurantiacus var. pubescens Fred M. Roberts, Carol A. Roberts 1988-5-12 3965 Orange Anaheim Hills: Upper Deer Canyon, 7.7 km W Sierra Peak. 268 Comment
  RSA542495  Mimulus clevelandii Fred M. Roberts, Karlin G. Marsh 1987-5-14 3444 Orange Santa Ana Moutains: Upper Trabuco Canyon, Trabuco Canyon Trail , 1.4 km NE Los Pinos Peak 1121 Comment
  RSA542498  Keckiella ternata subsp. ternata Fred M. Roberts Jr., Richard E. Riefner 1988-7-19 4123 Orange Costa Mesa; Fairview Park, Just west of end of Canyon Drive, 0.1 km W Canyon School. 24 Comment
  RSA542499  Keckiella cordifolia Fred M. Roberts, Karlin G. Marsh 1988-4-25 3935 Orange San Joaquin Hills: Los Trancos Canyon, 0.8 kilometer SE Pelican Hill. 81 Comment
  RSA542500  Keckiella cordifolia Fred M. Roberts 1988-5-12 3964 Orange Anaheim Hills: Upper Deer Canyon, 7.7 km W Sierra Peak. 268 Comment
  RSA542505  Castilleja affinis Fred M. Roberts 1987-3-31 3297 Orange Lomas de Santiago: Lomas [Loma] Ridge, upper Serrano Canyon, east fork, reservoir, 2.7 kilometers SE Bolero Lookout. 350 Comment
  RSA542509  Salix lasiolepis Fred M. Roberts Jr., W. R. Ferren 1987-4-8 3357 Orange Newport Beach: Upper Newport Back Bay, west side, North Star Beach, 0.8 km N Coney Island. 0 Comment
  RSA542510  Salix lasiolepis Fred M. Roberts Jr. 1987-4-21 3388 Orange Aliso Viejo: Aliso Creek, Aliso Creek bike Trail. 3.0 km ENE Moulton Peak. 73 Comment
  RSA542511  Salix lasiolepis Fred M. Roberts Jr. 1987-3-31 3329 Orange Lomas de Santiago: Lomas Ridge, Upper Serrano Canyon east fork, 2.5 km SE Bolero Lookout. 369 Comment
  RSA542513  Aristida purpurea var. parishii Fred M. Roberts 1987-3-31 3314 Orange Lomas de Santiago: Lomas [Loma] Ridge, Upper Serrano Canyon, east fork, reservoir, 2.2 kilometers SE Bolero Lookout, UTM 37 28 500m N, 4 41 200m E. 406 Comment
  RSA542514  Aristida adscensionis Fred M. Roberts 1987-3-31 3321 Orange Lomas de Santiago: Lomas [Loma] Ridge, upper Serrano Canyon, east fork, reservoir, 2.7 kilometers SE Bolero Lookout, UTM 3727900m N, 441800m E. 424 Comment
  RSA542517  Juncus acutus subsp. leopoldii Fred M. Roberts, W. Ferren 1987-4-8 3358 Orange Upper Newport Beach Back Bay, west side, North Star Beach, 0.8 km N Coney Island. 0 Comment
  RSA542520  Malosma laurina Fred M. Roberts, R. Fisher 1986-6-18 3018 Orange Irvine: Lower Shady Canyon, east slope, ca 2.6 km SE French Hill. 91 Comment
  RSA542522  Polystichum imbricans subsp. curtum Fred M. Roberts, R. E. Riefner 1988-7-19 4121 Orange Santa Ana Mtns: Modjeska Peak, W slope, along old abandoned road, 0.2 km W summit. 1592 Comment
  RSA542525  Eriogonum fasciculatum var. foliolosum Fred M. Roberts 1988-5-13 3971 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Canyon near spring, 2.3 km NW Bolero Lookout. 439 Comment
  RSA542528  Chorizanthe staticoides Fred M. Roberts, G. A. Marsh, K. G. Marsh 1988-4-26 3942 Orange San Joaquin Hills: Pelican Hill, 0.5 kim SE Summit. 165 Comment
  RSA542529  Chorizanthe staticoides Fred M. Roberts, Kathy Keane 1988-5-26 4008 Orange Rancho Mission Viejo: tributary to Trampas canyon, along Christianitos rd., 2.4 km ESE Viejo Survey mark. 128 Comment
  RSA542530  Chorizanthe staticoides Fred M. Roberts 1987-3-30 3325 Orange Lomas De Santiago: Lomas Ridge, east fork Upper Serrano Canyon, 3.1k SE Bolero Lookout. 394 Comment
  RSA542534  Leptosiphon liniflorus Fred M. Roberts, K. Keane 1988-5-25 3991 Orange Rancho Mission Veijo: Lower Canada Chiquita, 2.0 kilometers SSE Medium Rancho Survey Marker. 91 Comment
  RSA542539  Chamaesyce polycarpa var. polycarpa Fred M. Roberts, Dar A. Roberts 1989-3-22 4221 Orange Aliso-Wood Canyons Regional Park: Wood Canyon, 3.6 km S Moulton Peak. 43 Comment
  RSA542542  Astragalus gambelianus Fred M. Roberts 1988-3-15 3848 Orange Rancho Mission Viejo: Verdugo Canyon, 2.6 km ENE Point Rancho Survey Mark 149 Comment
  RSA542544  Lotus hamatus Fred M. Roberts 1988-4-10 3914 Orange Lomas De Santiago: Loma Ridge, 1.0 kilometer N Bolero Lookout. 415 Comment
  RSA542547  Nassella pulchra Fred M. Roberts 1988-2-9 3782 Orange Lomas De Santiago: Loma Ridge, 1.5km N Bee Survey Mark., UTM 373 3700m N, 435 200m E 385 Comment
  RSA542551  Eleusine indica Fred M. Roberts 1987-8-19 3587 Orange Santa Ana River: adjacent to Fountain Valley, Harbor Bridge. 13 Comment
  RSA542560  Bromus carinatus var. carinatus Fred M. Roberts, Karlin G. Marsh 1987-5-14 3442 Orange NSanta Ana Moutains: Upper Trabuco Canyon, Trabuco Canyon Trail , 1.3 km NNE Los Pinos Peak 1192 Comment
  RSA542562  Aristida purpurea var. parishii Fred M. Roberts 1988-2-18 3796 Orange Lomas de Santiago: lateral to Santiago Wash, 1.4 kilometers NW Santiago Dam spillway., UTM 37 39 400m N, 4 31 700m E. 195 Comment
  RSA542578  Lotus strigosus var. strigosus Fred M. Roberts 1988-3-15 3846 Orange Rancho Mission Viejo: Verdugo Canyon, 2.6 km ENE Point Rancho Survey Mark 149 Comment
  RSA542581  Lupinus bicolor subsp. umbellatus Fred M. Roberts 1988-4-10 3904 Orange Lomas De Santiago: Loma Ridge, Upper Limestone Canyon, c.a. 3.2 kilometer NNW Bolero Lookout. 347 Comment
  RSA542582  Lupinus concinnus subsp. concinnus Fred M. Roberts, Carol A. Williams 1988-4-2 3891 Orange Santa Ana Mtns. hillside SE of Falcon Group Camp, 2.1km ESE Los Pinos Peak. 1012 Comment
  RSA542585  Ceanothus megacarpus var. megacarpus Fred M. Roberts 1989-2-23 4188 Orange Aliso-Wood Canyon Regional Park: Niguel Hill above Aliso Canyon along the northern edge of Sea View Pk., 1.2km ENE Aliso Pk. 250 Comment
  RSA542586  Sanicula arguta Fred M. Roberts 1988-3-15 3867 Orange Rancho Mission Viejo: Central Gabino Canyon, 4.4 km SE Point Rancho Survey Marker. 164 Comment
  RSA542588  Asclepias eriocarpa Fred M. Roberts, K. Keane 1988-5-25 3998 Orange Rancho Mission Viejo: Lower Canada Chiquita, 1.9km SSE Medium Rancho Survey Mark, UTM 3710800m N, 443500m E 90 Comment
  RSA542589  Microseris lindleyi Fred M. Roberts 1988-3-15 3860 Orange Rancho Mission Viejo; Verdugo Canyon, 1.3 km SSW Lucan Survey Marker 201 Comment
  RSA542592  Porophyllum gracile Fred M. Roberts, T. Sholars 1988-3-29 3883 Orange Santa Ana Mountains: Hot Springs Canyon, 1.3 km north Hwy 74 by road , 0.7 km NW Juan Rancho Survey Marker. 274 Comment
  RSA542642  Dudleya edulis Fred M. Roberts, K. Keane 1988-5-26 4007 Orange Rancho Mission Viejo: tributary to Trampas canyon, along Christianitos rd., 2.4 km ESE Viejo Survey mark. 128 Comment
  RSA542645  Cressa truxillensis Fred M. Roberts, Kathy Keane, Carol A. Roberts 1988-5-25 4580 Orange Ranch Mission Viejo: Lower Canada Chiquita, 2.4 kilometers SSE Medium Rancho Survey Mark. 69 Comment
  RSA542646  Helianthemum scoparium var. vulgare Fred M. Roberts 1988-4-11 3899 Orange Lomas De Santiago; Loma Ridge, Upper Limestone Canyon, c.a. 3.2 km NNW Bolero Lookout. Comment
  RSA542647  Atriplex coulteri Fred M. Roberts, K. G. Marsh, G. A. Marsh 1988-4-26 3951 Orange Pelican Hill, east slope above Los Trancos Canyon , 0.4km ESE Pelican Hll survey Mark. 200 Comment
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Oct 16 2013
  RSA542648  Atriplex coulteri Fred M. Roberts, Kathy Keane 1988-5-26 4014 Orange Ranch Mission Viejo: Christianitos Canyon, 4.0km ESE Viejo Survey Mark. 162 Comment
  RSA542650  Symphoricarpos mollis Fred M. Roberts, R. E. Riefner 1988-7-19 4116 Orange Santa Ana Mountains region: Upper Silverado Canyon, Maple Springs Truck Trail, 2.1Km NNW Modjeska Peak. 1260 Comment
  RSA542651  Opuntia littoralis var. vaseyi Fred M. Roberts, Carol A. Williams 1988-4-12 3924 Orange Lomas de Santiago: Loma Ridge, 3.3 km NW Bolero Lookout. 475 Comment
  RSA542653  Caulanthus heterophyllus Fred M. Roberts 1988-3-9 3843 Orange Laguna Beach, Goff Ridge, along Nyes Place, 0.9km NE Goff Island. 169 Comment
  RSA542654  Plagiobothrys nothofulvus Fred M. Roberts 1988-4-10 3903 Orange Lomas De Santiago: Loma Ridge, Upper Limestone Canyon, c.a. 3.2 kilometer NNW Bolero Lookout. 347 Comment
  RSA542655  Plagiobothrys fulvus var. campestris Fred M. Roberts 1988-3-15 3864 Orange Rancho Mission Viejo: Upper Gabino Canyon, 4.1 km SE Point Rancho Survey Marker. 191 Comment
  RSA542657  Cryptantha intermedia Fred M. Roberts 1988-4-10 3902 Orange Lomas De Santiago: Loma Ridge, Upper Limestone Canyon, c.a. 3.2 kilometer NNW Bolero Lookout. 347 Comment
  RSA542660  Cryptantha microstachys Fred M. Roberts 1988-4-10 3907 Orange Lomas De Santiago: Loma Ridge, 1.0 kilometer N Bolero Lookout. 415 Comment
  RSA548852  Nassella lepida Fred M. Roberts, H. Camp 1987-3-10 3218 Orange Caspers regional park: San Juan Canyon, BN of Hwy 74, 1.9km SW San Juan Hot Springs, UTM 3715600mN, 450 400m E, alt 229m. 229 Comment
  RSA548855  Spartina foliosa Fred M. Roberts 1986-10-31 3185 Orange Seal Beach Naval Weapons Station: Anaheim Bay, vicinity of Hog Island., UTM 3732900m N, 400900m E 0 Comment
  RSA548858  Elymus multisetus Fred M. Roberts, Gordon Marsh 1986-6-6 2986 Orange Black Star Canyon, Black Star Canyon Rd., 2.7 km by road below summit; 3.6 km S Sierra Peak., UTM 3741900m N, 439600mE. 646 Comment
  RSA548859  Ceanothus megacarpus var. megacarpus Fred M. Roberts 1988-3-9 3840 Orange Aliso-Wood Canyons regional Park: Niguel Hill, Seaview Park, 1.0km ENE Aliso Peak. 273 Comment
  RSA548862  Holodiscus boursieri Fred M. Roberts, Carol A. Roberts 1988-6-10 4094 Orange Santa Ana Mountains: Modjeska Peak, 0.9km SW summit 1542 Comment
  RSA548868  Vulpia octoflora Fred M. Roberts 1988-4-10 3911 Orange Lomas De Santiago: Loma Ridge, 1.0 kilometer N Bolero Lookout., UTM 37 31 1000m N, 4 39 600m E. 415 Comment
  RSA548871  Vulpia octoflora Fred M. Roberts 1988-4-10 3912 Orange Lomas De Santiago: Loma Ridge, 1.0 kilometer N Bolero Lookout., UTM 37 31 1000m N, 4 39 600m E. 415 Comment
  RSA548872  Vulpia myuros var. hirsuta Fred M. Roberts 1988-4-10 3910 Orange Lomas De Santiago: Loma Ridge, 1.0 kilometer N Bolero Lookout., UTM 37 31 1000m N, 4 39 600m E. 415 Comment
  RSA548873  Vulpia myuros var. hirsuta Fred M. Roberts 1989-3-22 4217 Orange Aliso-Wood Regional Park: Lower Wood Canyon, 3.6km SSE Moulton Peak. 38 Comment
  RSA548874  Nassella pulchra Fred M. Roberts, Dar A. Roberts 1989-3-22 4216 Orange Aliso-Wood Regional Park: Lower Wood Canyon, 3.6km SSE Moulton Peak. 38 Comment
  RSA548877  Elymus multisetus Fred M. Roberts, K. Keane 1988-5-25 4583 Orange Rancho Mission Veijo: Lower Canada Chiquita, 2.0 kilometers SSE Medium Rancho Survey Marker., UTM 3710600m N, 443550m E. 91 Comment
  RSA550590  Quercus dumosa Fred M. Roberts, Marsh 1988-4-26 3952 Orange San Joaquin Hills, Pelican Hill, 0.4 km SW summit. 183 Comment
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Oct 16 2013
  RSA550591  Quercus dumosa Fred M. Roberts, Kirkland 1989-2-22 4183 Orange San Joaquin Hills: Pelican Hill, 0.4km ESE Summit. 189 Comment
  RSA550592  Amorpha fruticosa Fred M. Roberts 1989-4-26 4322 Orange Lower Blind Canyon near mouth, 9.2 km SW Sierra Peak, 1.0 km N Irvine Lake spillway. 207 Comment
  RSA550593  Salvia mellifera Fred M. Roberts 1989-4-26 4321 Orange Santa Ana Mtns.: Lower Blind Canyon near mouth, 9.2km SW Sierra Peak, 1.0km N Irvine Lake spillway. 213 Comment
  RSA550594  Salvia leucophylla Fred M. Roberts 1989-4-26 4320 Orange Santa Ana Mtns.: Lower Blind Canyon near mouth, 9.2km SW Sierra Peak, 1.0km N Irvine Lake spillway. 213 Comment
  RSA550597  Mimulus aurantiacus var. puniceus Fred M. Roberts 1989-4-26 4317 Orange Costa Mesa; Fairview Park, Just west of end of Canyon Drive, 0.1 km W Canyon School. 24 Comment
  RSA550599  Eriodictyon crassifolium Fred M. Roberts 1989-4-26 4315 Orange Lomas de Santiago: Lower Santiago Canyon, 10.1 km SW Sierra Peak, ca. 1.3 km NW Irvine Lake spillway. 195 Comment
  RSA550600  Dudleya multicaulis Fred M. Roberts 1989-4-26 4313 Orange Santa Ana Mts.; ridge N of Santiago Canyon W of Blind Canyon, 9.5km SW Sierra Peak, ca. 1.7km NW Irvine Lake spillway. 247 Comment
  RSA550601  Calochortus splendens Fred M. Roberts 1989-4-25 4312 Orange Santa Ana Mountains: East Rim of Blind Canyon 8.5 kilometers SW Sierra Peak, ca. 1.4 kilometer N Irvine Lake spilway. 366 Comment
  RSA550602  Achnatherum coronatum Fred M. Roberts 1989-4-25 4311 Orange Santa Ana Mountains: East Rim of Blind Canyon 8.5 kilometers SW Sierra Peak, ca. 1.4 kilometer N Irvine Lake spilway., UTM Z11 37 40 100m N, 4 33 000m E 366 Comment
  RSA550605  Aristida purpurea var. parishii Fred M. Roberts 1989-4-26 4314 Orange Santa Ana Mountains: ridge north of Santiago Canyon, west of Blind Canyon 9.5 kilometers SW Sierra Pead, ca. 1.7 kilometers NW Irvine Lake spillway., UTM Z11 37 39 900m N, 4 31 900mE 247 Comment
  RSA550606  Rosa californica Fred M. Roberts 1989-4-26 4324 Orange Lower Blind Canyon near mouth, 9.2 km SW Sierra Peak, 1.0 km N Irvine Lake spillway. 207 Comment
  RSA550608  Cryptantha microstachys Fred M. Roberts, Carol A. Roberts 1989-4-20 4305 Orange Santa Ana Mtns: Upper Lion Canyon along San Juan Trail just south of Blue Jay Campground, 2.5km SE Los Pinos Peak. 980 Comment
  RSA550611  Camissonia hirtella Fred M. Roberts, Carol A. Roberts 1989-4-20 4302 Orange Santa Ana Mtns.: upper Lion Canyon along San Juan Trail just south of Blue Jay Campground, 2.5km SE Los Pinos Peak. 980 Comment
  RSA552928  Calochortus catalinae Fred M. Roberts, Carol A. Roberts 1989-5-11 4350 Orange Santa Ana Mountains: Upper Gypsum Canyon, along ridge road, 5.6 kilometers SW Sierra Peak. 472 Comment
  RSA552936  Dudleya multicaulis Fred M. Roberts 1989-5-7 4337 Orange Lomas De Santiago: 1.8km W Santiogo Reservoir Spilway, 4.0 km SW Sierra Peak. 213 Comment
  RSA552937  Keckiella antirrhinoides Fred M. Roberts Jr. 1989-5-9 4339 Orange Santa Ana Mts: Gypsum Canyon, west fork, 5.6 km WNW Sierra Peak, c.a. 1 km S Highway 91. 146 Comment
  RSA552940  Phacelia brachyloba Fred M. Roberts, Carol A. Roberts 1989-4-20 4297 Orange Santa Ana Mtns: Upper Lion Canyon along San Juan Trail just south of Blue Jay Campground, 2.5km SE Los Pinos Peak. 980 Comment
  RSA552943  Filago californica Fred M. Roberts, Carol A. Roberts 1989-4-20 4300 Orange Santa Ana Mtns: Upper Lion Canyon along San Juan Trail just south of Blue Jay Campground, 2.5km SE Los Pinos Peak. 980 Comment
  RSA553109  Adenostoma fasciculatum var. fasciculatum Fred M. Roberts 1989-5-9 4341 Orange Gypsum Canyon, west for, 5.6 km WNW Sierra Peak, 1km S Hwy 91. 146 Comment
  RSA553110  Malacothamnus fasciculatus var. laxiflorus Fred M. Roberts 1989-5-9 4342 -A Orange Gypsum Canyon, west for,, 5.6 km WNW Sierra Peak, 1km S Hwy 91. 146 Comment
  RSA553111  Solanum umbelliferum Fred M. Roberts Jr. 1989-5-9 4342 Orange Santa Ana Mts: Gypsum Canyon, west fork, 5.6 km WNW Sierra Peak, c.a. 1 km S Highway 91. 146 Comment
  RSA553112  Funastrum cynanchoides var. hartwegii Fred M. Roberts Jr. 1989-5-9 4343 Orange Costa Mesa; Fairview Park, Just west of end of Canyon Drive, 0.1 km W Canyon School. 24 Comment
  RSA581433  Calochortus weedii var. intermedius Fred M. Roberts 1989-6-7 4376 Orange Santa Ana Mountains: Upper Gypsum Canyon along divide between Gypsum and Blind Canyon, 6.3 kilometers WSW Sierra Peak. 411 Comment
  RSA581435  Thysanocarpus laciniatus Fred M. Roberts, Gordon Marsh 1989-5-12 s.n. Orange Santa Ana Mtns: small tributary canyon to Santiago Canyon, Flemming Regional Park, just E of Modjeska, 3.3kim WSW Laurel Springs. 443 Comment
  RSA581444  Silene laciniata subsp. major Fred M. Roberts 1989-5-12 4363 Orange Santa Ana Mountains: Santiago Canyon, Flemming Regional Park, just E of Modjeska at end of paved road, ca. 3.2 kilometers WSW Laurel Springs. 455 Comment
  RSA581445  Carex spissa Fred M. Roberts, Gordon Marsh 1989-5-12 4365 Orange Santa Ana Mountains: Santiago Canyon, Flemming Regional Park, just E of Modjeska at end of paved road, ca. 3.0 kilometers WSW Laurel Springs. 436 Comment
  RSA581446  Carex alma Fred M. Roberts, Gordon Marsh 1989-5-12 4366 Orange Santa Ana Mountains: Santiago Canyon, Flemming Regional Park, just E of Modjeska at end of paved road, ca. 3.0 kilometers WSW Laurel Springs. 436 Comment
  RSA584703  Vulpia microstachys var. pauciflora Fred M. Roberts, Carol A. Roberts 1989-5-11 4351 Orange Upper Gypsum Canyon, along ridge road, 5.6km SW Sierra Peak 472 Comment
  RSA584704  Brickellia nevinii Fred M. Roberts, Carol A. Roberts 1989-5-11 4352 Orange Gypsum Canyon, 2.9 km WSW Sierra Peak, about 3.3km S by road of Santiago Canyon Road. 189 Comment
  RSA584707  Chorizanthe staticoides Fred M. Roberts, Kathy Keane 1988-5-26 4009 Orange Rancho Mission Viejo: Christianitos Canyon, c.a. 3.7 km ESE Viejo Survey Mark. 185 Comment
  RSA584719  Quercus dumosa Fred M. Roberts, Wade 1989-6-21 4391 Orange San Joaquin Hills; Los Trancos Canyon, 1km E summit of Pelican Hill. 98 Comment
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Oct 16 2013
  RSA587869  Muhlenbergia microsperma Fred M. Roberts, Carol A. Roberts 1990-5-16 4631 Orange Santa Ana Mtns: Small canyon along SE side of Irvine Mesa, 3.5 km N Bolero Lookout 396 Comment
  RSA587873  Chorizanthe staticoides Fred M. Roberts, Carol A. Roberts 1990-5-16 4627 Orange Santa Ana Mtns: Small canyon along SE side of Irvine Mesa, 3.5 km N Bolero Lookout 396 Comment
  RSA587877  Sambucus mexicana Fred M. Roberts 1990-5-8 4624 Orange Chino Hills: Soquel Canyon, ca. 1.4km Nof Gilman Peak. 335 Comment
  RSA587882  Salvia leucophylla Fred M. Roberts 1990-5-8 4617 Orange Chino Hills: Soquel Canyon, c. 1.2 km NNW of Gilman Peak. 240 Comment
  RSA587888  Dudleya multicaulis Fred M. Roberts 1990-5-7 4611 Orange Rancho Mission Viejo: Ridge S of Blind Canyon and E of Christianitos Canyon, TRW Lease Holding, 5.0 kilometers NE Clemente Survey Marker. 152 Comment
  RSA587889  Calycadenia tenella Fred M. Roberts 1990-5-7 4610 Orange Rancho Mission Viejo: Ridge S of Blind Canyon and Christianitos Canyon, TRW Lease Holding, 5.0 km NE Clemente Survey Marker 152 Comment
  RSA588653  Nemacladus ramosissimus Fred M. Roberts 1990-5-23 4656 Orange Santa Ana Mtns.: West Fork, Upper Long Canyon, near Main Divide Truck Trail, 4.5 km SE Los Pinos Peak. 756 Comment
  RSA588705  Allophyllum glutinosum Fred M. Roberts, Carol A. Roberts 1990-5-23 4646 Orange Santa Ana Mtns.: West Fork, Upper Long Canyon, near Main Divide Truck Trail, 4.5 km SE Los Pinos Peak. 756 Comment
  RSA588714  Romneya coulteri Fred M. Roberts, David Mageny 1990-6-14 4683 Orange Lake Forest: Lomas de Santiago, Upper Aliso Creek, just north of El Torro Road. 5.4 kilometers S Bolero Lookout. 241 Comment
  RSA588717  Bothriochloa barbinodis Fred M. Roberts 1990-6-5 4680 Orange Rancho Mission Viejo: Uper Gabino Canyon, near Orange County line, 3.9 kilometers E Point Ranch Survey Marker; UTM Z11 37 10 300m N, 4 52 100m E. 280 Comment
  RSA588718  Quercus berberidifolia Fred M. Roberts, D. Bontrager 1990-6-5 4679 Orange Rancho Mission Viejo: Upper Gabino Canyon, 3.7km ESE Point Rancho Survey Market. 245 Comment
  RSA588720  Calochortus weedii var. intermedius Fred M. Roberts, D. Bontrager 1990-6-5 4676 Orange Rancho Mission Viejo: Lower Canada Gobernidora, ca. 3.1 km W Point Rancho Survey Marker. 122 Comment
  RSA588722  Vulpia myuros var. hirsuta Fred M. Roberts 1990-5-7 4609 Orange Rancho Mission Viejo: Ridge S of Blind Canyon and E of Christianitos Canyon, TRW Lease Holding, 5.0 km NE Clemente Survey Marker 152 Comment
  RSA588723  Gnaphalium californicum Fred M. Roberts 1990-5-7 4607 Orange Rancho Mission Viejo: Ridge S of Blind Canyon and E of Christianitos Canyon, TRW Lease Holding, 5.0 km NE Clemente Survey Marker 152 Comment
  RSA588725  Micropus californicus Fred M. Roberts 1990-5-7 4605 Orange Rancho Mission Viejo: Ridge S of Blind Canyon and E of Christianitos Canyon, TRW Lease Holding, 5.0 km NE Clemente Survey Marker 152 Comment
  RSA588726  Galium aparine Fred M. Roberts Jr. 1990-5-7 4604 Orange Rancho Mission Viejo: Ridge south of Blind Canyon and east of Christianitos Canyon, TRW Lease Hold, 5.0 km NE Clemente Survey Marker. 152 Comment
  RSA588728  Achillea millefolium var. californica Fred M. Roberts 1990-5-7 4602 Orange Rancho Mission Viejo: Ridge S of Blind Canyon and E of Christianitos Canyon, TRW Lease Holding, 5.0 km NE Clemente Survey Marker 152 Comment
  RSA588729  Sidalcea malviflora Fred M. Roberts 1990-5-7 4601 Orange Rancho Mission Viejo: Ridge S of Blind Canyon and E of Christianitos Canyon, TRW Lease Holding, 5.0 km NE Clemente Survey Marker 152 Comment
  RSA588769  Brodiaea jolonensis Fred M. Roberts 1990-5-7 4595 Orange Rancho Mission Viejo: Ridge south of Blind Canyon, TRW Lease Holding, 4.9 km NE Clemente Survey Marker. 152 Comment
  RSA588773  Aristida purpurea var. parishii Fred M. Roberts, Carol A. Roberts, D. Bontrager 1990-4-28 4590 Orange Rancho Mission Viejo: Christianitos Canyon, 4.0 kilometers E Playa Survey Marker; UTM Z11 37 06 600m N, 4 47 600m E. 174 Comment
  RSA588774  Micropus californicus Fred M. Roberts, Carol A. Roberts, D. Bontrager 1990-4-28 4589 Orange Rancho Mission Viejo: Christianitos Canyon, 4.0 kilometers E Playa Survey Marker. 174 Comment
  RSA588777  Melica frutescens Fred M. Roberts 1990-4-26 4585 Orange Silverado Canyon opposite White Canyon, ca. 4.7 km NNE Bolero Lookout 442 Comment
  RSA588778  Ceanothus tomentosus subsp. olivaceus Fred M. Roberts 1990-4-13 4559 Orange Upper Maybe Canyon near SkylineDrive 0.2 km NE Oak Flat, 2.7 km SSE Sierra Peak. 841 Comment
  RSA588781  Yucca whipplei var. whipplei Fred M. Roberts, Nicole Orlik 1990-4-11 4556 Orange Santa Ana Mountains: East Fork Upper Long Canyon, along Main Divide Truck Trail, 4.4 kilometers SE Los Pinos Peak. 750 Comment
  RSA588786  Chorizanthe staticoides Fred M. Roberts, Kathy Keane 1990-4-18 4576 Orange Rancho Mission Viejo: Chiquita Rdge, west of Canada Chiquita, 2.0 km N Median Rancho Survey Marker 152 Comment
  RSA588789  Juniperus californica Fred M. Roberts, Dave Bontrager 1990-4-18 4573 Orange Rancho Mission Viejo: ridge between Lower San Juan Canyon and Upper Christianitos Canyon. 3.0 km S Point Rancho Survey Marker 215 Comment
  RSA588792  Eleocharis montevidensis var. montevidensis Fred M. Roberts, D. Bontrager 1990-4-18 4569 Orange Rancho Mission Viejo: Canada Chiquita, east side of canyon near mouth, 2.7 kilometers SSE Median Rancho Survey Marker; UTM Z11 37 10 000N, 4 43 800m E 79 Comment
  RSA588796  Sanicula arguta Fred M. Roberts, Dave Bontrager 1990-4-18 4564 Orange Rancho Mission Viejo: ridge between Christianitos and Gabino Canyons (Riverside Cement Lease Holding), 5.5 km SE Playa Survey Marker. 152 Comment
  RSA588798  Plagiobothrys nothofulvus Fred M. Roberts, D. Bontrager 1990-4-18 4562 Orange Rancho Mission Viejo: ridge between Christianitos and Gabino Canyons (Riverside Cement Lease Holding), 5.5 km SE Playa Survey Marker. 152 Comment
  RSA588799  Senecio californicus Fred M. Roberts, D. Bontrager 1990-4-18 4561 Orange Rancho Mission Viejo: ridge between Christianitos and Gabino Canyons (Riverside Cement Lease Holdong), 5.5 km SE Playa Survey Marker. 152 Comment
  RSA588800  Micropus californicus Fred M. Roberts 1990-5-7 4600 Orange Rancho Mission Viejo: Ridge S of Blind Canyon and E of Christianitos Canyon, TRW Lease Holding, 5.0 km NE Clemente Survey Marker 152 Comment
  RSA588802  Nassella pulchra Fred M. Roberts 1990-5-7 4596 Orange Rancho Mission Viejo: Ridge south of Blind Canyon, TRW Lease Holding, 4.9 km NE Clemente Survey Marker. 152 Comment
  RSA588843  Quercus berberidifolia Fred M. Roberts 1989-11-7 4454 Orange Rancho Mission Viejo: TRW Lease Holding, ridge south of the confluence of Gabino and Blind Canyons, 5.0 km NE Clement Survey Market. 155 Comment
  RSA588844  Quercus berberidifolia Fred M. Roberts 1989-11-7 4453 Orange Rancho Mission Viejo: TRW Lease Holding, ridge south of the confluence of Gabino and Blind Canyons, 5.0 km NE Clement Survey Market. 155 Comment
  RSA588851  Chorizanthe staticoides Fred M. Roberts, Kathy Keane 1989-6-28 4392 Orange Laguna Niguel: Just beyond end of Le Conte Rd along ridge, 0.6 km SW summit of Niguel Hill. 195 Comment
  RSA588852  Jepsonia parryi Fred M. Roberts Jr. 1989-11-7 4451 Orange Rancho Mission Viejo: TRW Lease Holding, ridge south of the confluence of Gabino and Blind Canyons, 5.0 km NE Clemente Survey Marker 155 Comment
  RSA588881  Potamogeton foliosus Fred M. Roberts, D. Bontrager 1990-6-5 4674 Orange Rancho Mission Viejo: Upper Gabino Canyon, 3.7km ESE Point Rancho Survey Market. 245 Comment
  RSA588882  Porophyllum gracile Fred M. Roberts, D. Bontrager 1990-6-5 4673 Orange Rancho Mission Viejo: Uper Gabino Canyon, near Orange County line, 3.9 kilometers E Point Ranch Survey Marker. 280 Comment
  RSA588884  Aristida adscensionis Fred M. Roberts, D. Bontrager 1990-6-5 4670 Orange Rancho Mission Viejo: Uper Gabino Canyon, near Orange County line, 3.9 kilometers E Point Ranch Survey Marker; UTM Z11 37 10 300m N, 4 52 100m E. 280 Comment
  RSA588885  Aristida purpurea var. purpurea Fred M. Roberts, D. Bontrager 1990-6-5 4669 Orange Rancho Mission Viejo: Uper Gabino Canyon, near Orange County line, 3.9 kilometers E Point Ranch Survey Marker., UTM Z11 37 10 300m N, 4 52 100m E. 280 Comment
  RSA588889  Castilleja minor subsp. spiralis Fred M. Roberts Jr. 1990-6-4 4665 Orange Hall Canyon, 1.8 km NNW Mustang Spring at east edge of Flying B Ranch 421 Comment
  RSA588892  Pteridium aquilinum var. pubescens Fred M. Roberts 1990-6-4 4662 Orange Santa Ana Mts. Hall Canyon, 1.8 km NNW Mustand Spring at east edge of flying B Ranch. 421 Comment
  RSA590946  Salvia mellifera Fred M. Roberts 1991-5-2 4779 Orange San Joaquin Hills: Laguna Canyon, Laguna Laurel, just west of Laguna Canyon Road, c. 2 km N junction El Toro Road, 4.5 kilometers E Signal Peak. 110 Comment
  RSA590955  Calochortus catalinae Fred M. Roberts, Cathy Novak, Dave Bontrager 1991-4-18 4770 Orange Santa Ana Mountains: c. 0.7 kilometers N junction Santiago Canyon Road and Live Oak Canyon Road, 7.7 kilomers WSW Modjeska Peak. 411 Comment
  RSA590957  Cneoridium dumosum Fred M. Roberts Jr., Karlin G. Marsh 1991-4-10 4767 Orange Laguna Beach: South Laguna, Temple Hill, ridge between Upper Hobo Canyon and Aliso Gorge, 1.7km NW Niguel Hill summit. 219 Comment
  RSA590958  Quercus berberidifolia Fred M. Roberts, Karlin G. Marsh 1991-4-10 4766 Orange Laguna Beach: South Laguna, Temple Hill, ridge between upper Hobo Canyon and Aliso Gorge, 1.7 km NW Niguel Hill summit. 213 Comment
  RSA590959  Quercus berberidifolia Fred M. Roberts, Karlin G. Marsh 1991-4-10 4765 Orange Laguna Beach: South Laguna, Temple Hill, ridge between upper Hobo Canyon and Aliso Gorge, 1.7 km NW Niguel Hill summit. 213 Comment
  RSA594799  Antirrhinum coulterianum Fred M. Roberts, Sandra Leatherman, Brian Leatherman 1994-4-24 4919 Orange Santa Ana Mountains: Lower Hot Springs Canyon, c.a. 1km NNW Juan Rancho Survey Mark. Comment
  RSA594801  Nolina cismontana Fred M. Roberts, Nowak 1992-2-26 4836 Orange Santa Ana Mts. Ridge west of Black Star Canyon and north of confluence of Black Star Canyon and Santiago Canyon, 4.3 km ESE Irvine Lake spillway. 353 Comment
  RSA594802  Melinis repens Fred M. Roberts, Terasa Bruckenstien 1992-3-19 4837 Orange Rancho Mission Viejo, San Juan Creek east of San Juan Capistrano and just north of Ortega Highway bridge, 3.6 km. SSW Median Rancho Survey Mark., UTM Z11 37 08 900m N, 4 42 100m E 49 Comment
  RSA594804  Ceanothus crassifolius Fred M. Roberts 1992-2-26 4835 Orange Santa Ana Mts. Ridge west of Black Star Canyon and north of confluence of Black Star Canyon and Santiago Canyon, 4.3 km ESE Irvine Lake spillway. 353 Comment
  RSA594806  Calandrinia ciliata Fred M. Roberts, Cathy Nowak 1995-4-19 4924 Orange Santa Ana Mountains: Lower Hot Springs Canyon, San Juan Trail, 0.7 km NW Juan Rancho Survey Mark. 256 Comment
  RSA594808  Styrax redivivus Fred M. Roberts Jr., K. Nowak 1995-4-19 4926 Orange Lower Hot Spring Canyon, San Juan Trail, 0.5 km NW Juan Rancho Survey Mark. 335 Comment
  RSA594810  Dudleya multicaulis Fred M. Roberts, Edna Rey, Kay Stockwell 1993-5-6 4879 Orange Orange Park Acres, Glen Albyn Lane, ca. 0.7 km by road E Santiago Blvd. 0.3 km NW Bauer Survey Marker. 168 Comment
  RSA594811  Dudleya multicaulis Fred M. Roberts, Edna Rey, Kay Stockwell 1993-5-6 4880 Orange El Modena: Lomita Ave, ca. 0.4 km by road E Santiago Blvd., 0.4 km W Bauer Survey Marker. 122 Comment
  RSA594813  Adenostoma fasciculatum var. obtusifolium Fred M. Roberts, T. Keeler-Wolf, D. Hogan 1993-5-11 4882 Orange Laguna Beach: South Laguna, Upper Hobo Canyon, 1.4 km NNW Aliso Peak. 201 Comment
  RSA594814  Hemizonia paniculata Fred M. Roberts 1993-6-30 4886 Orange Aliso-Woods Regional Park: Temple Hill, adjacent to Multon Meadows Park, 0.7 km SSE Close Survey Marker. 253 Comment
  RSA594817  Calochortus albus Fred M. Roberts, Sandy Leatherman, Brian Leatherman 1994-4-24 4911 Orange Santa Ana Mountains: San Juan Canyon, CA route 74, Lower San Juan Picnic Ground. 354 Comment
  RSA594818  Antirrhinum kelloggii Fred M. Roberts, Sandra Leatherman, Brian Leatherman 1994-4-24 4912 Orange Santa Ana Mountains: San Juan Canyon, CA route 74, Lower San Juan Picnic Ground. 354 Comment
  RSA594820  Antirrhinum coulterianum Fred M. Roberts, Sandra Leatherman, Brian Leatherman 1994-4-24 4914 Orange Santa Ana Mountains: San Juan Canyon, CA route 74, Lower San Juan Picnic Ground. 354 Comment
  RSA594821  Papaver californicum Fred M. Roberts, Sandy Leatherman, B. Leatherman 1994-4-24 4915 Orange Santa Ana Mountains: San Juan Canyon, CA route 74, Lower San Juan Picnic Ground. 354 Comment
  RSA594822  Zigadenus fremontii Fred M. Roberts, Sandy Leatherman, Brian Leatherman 1994-4-24 4916 Orange Santa Ana Mountains: San Juan Canyon, CA route 74, Lower San Juan Picnic Ground. 354 Comment
  RSA594824  Antirrhinum kelloggii Fred M. Roberts, Sandra Leatherman, Brian Leatherman 1994-4-24 4918 Orange Santa Ana Mountains: San Juan Canyon, south side of CA route 74, 1 kilometers NNW San Juan Survey Mark. 268 Comment
  RSA594885  Pentachaeta aurea Fred M. Roberts, Stadlander, Vizgirdas 1992-4-24 4840 Orange El Toro Marine Base: Mouth of Borrego Wash, 2.9 km SE Lambert Reservoir dam. 189 Comment
  RSA594888  Nolina cismontana Fred M. Roberts 1992-6-21 4845 Orange Mission Viejo; Planning Area 10, ridge east o f English Creek and west of Vista del Lago Dr., 5.3 km ENE El Toro fire Station. 293 Comment
  RSA594889  Hemizonia australis Fred M. Roberts 1992-9-9 4847 Orange Irvine: San Joaquin Freshwater Marsh, 2.0 km NW University of California Irvine campus center 2 Comment
  RSA594892  Scutellaria tuberosa Fred M. Roberts 1994-4-24 4905 Orange Santa Ana Mountains: San Juan Canyon, south side of CA route 74, 1.2 kilometers SW Lower San Juan Picnic Ground. 390 Comment
  RSA594895  Pterostegia drymarioides Fred M. Roberts, Sandy Leatherman, Brian Leatherman 1994-4-24 4908 Orange Santa Ana Mountains: San Juan Canyon, south side of CA route 74, 1.2 kilometers SW Lower San Juan Picnic Ground. 390 Comment
  RSA594896  Meconella denticulata Fred M. Roberts, Sandy Leatherman, B. Leatherman 1994-4-24 4909 Orange Santa Ana Mountains: San Juan Canyon, CA route 74, Lower San Juan Picnic Ground. 354 Comment
  RSA594897  Emmenanthe penduliflora Fred M. Roberts, Sandy Leatherman, B. Leatherman 1994-4-24 4910 Orange Santa Ana Mtns: San Juan Canyon, south side of California, route 74, 1.7kim WSW lower San Juan Picnic Ground. 354 Comment
  RSA594898  Guillenia lasiophylla Fred M. Roberts 1995-5-19 4943 Orange Santa Ana Mtns, San Juan canyon, S of California, Route 74, 2.3km WSW lower San Juan Picnic Ground. 512 Comment
  RSA599591  Hordeum intercedens Fred M. Roberts, Nigel Hancock 1995-5-25 4946 Orange Costa Mesa: Fairview Park, just west of end of Canyon Drive, 0.1 km W Canyon School., UTM Z11 37 24 600mN, 4 12 700mE 24 Comment
  RSA599633  Verbena bracteata Fred M. Roberts Jr., Nigel Hancock 1995-5-25 4948 Orange Costa Mesa: Fairview Park, just west of end of Canyon Drive, 0.1 km W Canyon School. 24 Comment
  RSA599636  Populus trichocarpa Fred M. Roberts Jr., P. Barrett, Gina Schultz 1995-7-25 4965 Orange San Juan Capistrano: San Juan Creek, 0.1 km SW La Novia Street bridge. 27 Comment
  RSA599638  Cyperus eragrostis Fred M. Roberts, P. Barrett, G. Bastillos 1995-7-25 4967 Orange Santa Ana Mountains: San Juan Canyon along San Juan Creek, San Juan Hot Springs, 0.8 kilometer SSW Juan Rancho Survey Mark. 214 Comment
  RSA599640  Eleocharis montevidensis var. montevidensis Fred M. Roberts, P. Barrett, G. Bastillos 1995-7-25 4969 Orange Santa Ana Mountains: San Juan Canyon along San Juan Creek, San Juan Hot Springs, 0.8 kilometer SSW Juan Rancho Survey Mark. 214 Comment
  RSA599642  Atriplex polycarpa Fred M. Roberts, M. B. Woulfe 1996-8-13 4971 Orange Yorba Linda: Chino Hills, Shell Oil Property, 3.0 km SW Gilman Peak. 201 Comment
  RSA610228  Gilia angelensis Fred M. Roberts, Annie Hoecker, Tony Bomkamp 1997-3-29 4989 Orange Rancho Mission Viejo: Canada Gobernadora, east slope, 1.7 km SW Cliff Survey Mark, 1.7 km N Calif. Rte. 74. 122 Comment
  RSA610235  Viola pedunculata Fred M. Roberts Jr. 1997-2-7 4977 Orange Rancho Misssion Viejo: Calif. Rte. 74 circa 6.8 km EInterstate 5 ( San Juan Capistrano) opposite the mouth of Canada Gobernadora, 1.2 km NE Viejo Survey Mark 88 Comment
  RSA610236  Pilularia americana Fred M. Roberts, Tony Bomkamp, Rick Riefner 1997-2-27 4978 Orange Costa Mesa: Fairview Park, 0.1 km W Canyon School. 24 Comment
  RSA610239  Convolvulus simulans Fred M. Roberts, Tony Bomkamp 1997-3-13 4982 Orange Rancho Mission Viejo: Christianitos Canyon, 4 km ESE Viejo Survey Mark. 5 Comment
Read comments
Oct 20 2011
  RSA610242  Claytonia perfoliata subsp. mexicana Fred M. Roberts, Tony Bomkamp 1997-3-13 4985 Orange RANCHO MISSION VIEJO: Christianitos Canyon near confluence of Gabino Canyon, 5.1km NE Clemente Survey Mark. 85 Comment
  RSA615545  Holodiscus microphyllus Fred M. Roberts Jr., Kirsten Winter, Leanne Naue 1997-6-5 5039 Orange Costa Mesa; Fairview Park, Just west of end of Canyon Drive, 0.1 km W Canyon School. 24 Comment
  RSA665951  Eleocharis palustris Fred M. Roberts, Michelle Lee, Kristen Szabo 2001-4-13 5422 Orange Rancho Mission Viejo: South of San Juan Creek, 0.4km ESE Median Rancho Survey Marker. PCR Vernal Pool 7. 238 Comment
  RSA665952  Marsilea vestita Fred M. Roberts, Michelle Lee, Kristen Szabo 2001-4-13 5423 Orange Rancho Mission Viejo: South of San Juan Creek, 0.4km ESE Median Rancho Survey Marker., PCR Vernal Pool 7. 238 Comment
  RSA665953  Elatine brachysperma Fred M. Roberts, Michelle Lee, Kristen Szabo 2001-4-13 5424 Orange Rancho Mission Viejo: South of San Juan Creek, 0.6km WNW Median Rancho Survey Marker. PCR Vernal Pool 2. 183 Comment
  RSA665954  Callitriche marginata Fred M. Roberts, Michelle Lee, Kristen Szabo 2001-4-13 5425 Orange Rancho Mission Viejo: South of San Juan Creek, 0.6km WNW Median Rancho Survey Marker. PCR Vernal Pool 2. 183 Comment
  RSA665955  Marsilea vestita Fred M. Roberts, Michelle Lee, Kristen Szabo 2001-4-13 5426 Orange Rancho Mission Viejo: South of San Juan Creek, 0.6km WNW Median Rancho Survey Marker., PCR Vernal Pool 2. 183 Comment
  RSA666089  Planodes virginica Fred M. Roberts, Michelle Lee, Kristen Szabo 2001-4-13 5428 Orange Rancho Mission Viejo: South of San Juan Creek, 0.6km WNW Median Rancho Survey Marker. PCR Vernal Pool 2. 183 Comment
  RSA666091  Veronica peregrina var. xalapensis Fred M. Roberts, Michelle Lee, Kristen Szabo 2001-4-13 5431 Orange Rancho Mission Viejo: Chiquita Ridge, 0.3km WNW Median Rancho Survey Marker. PCR Vernal Pool 4. 226 Comment
  RSA666092  Planodes virginica Fred M. Roberts, Michelle Lee, Kristen Szabo 2001-4-13 5430 Orange Rancho Mission Viejo: Chiquita Ridge, 0.3km WNW Median Rancho Survey Marker. PCR Vernal Pool 4. 226 Comment
  RSA666094  Verbena bracteata Fred M. Roberts, Michelle Lee 2001-5-14 5458 Orange Rancho Mission Viejo: South of San Juan Creek, 0.6km WNW Median Rancho Survey Marker. PCR Vernal Pool 2. 238 Comment
  RSA666095  Hordeum marinum subsp. gussoneanum Fred M. Roberts, Michelle Lee 2001-5-14 5459 Orange Rancho Mission Viejo: South of San Juan Creek, 0.6km WNW Median Rancho Survey Marker. PCR Vernal Pool 2., (Canada Gobernadora: 33 deg 30'36''N, 117 deg 35'55''W) 238 Comment
  RSA666096  Nama stenocarpa Fred M. Roberts, Michelle Lee 2001-6-4 5460 Orange Rancho Mission Viejo: Chiquita Ridge, 0.3km WNW Median Rancho Survey Marker. PCR Vernal Pool 4. (Canada Gobernadora. 226 Comment
  RSA666098  Gnaphalium palustre Fred M. Roberts, Michelle Lee 2001-6-4 5482 Orange Rancho Mission Viejo: Chiquita Ridge, 0.2km WNW Median Rancho Survey Marker. PCR Vernal Pool 4. 218 Comment
  RSA666099  Phalaris minor Fred M. Roberts, Michelle Lee 2001-6-4 5483 Orange Rancho Mission Viejo: Chiquita Ridge, 0.3km WNW Median Rancho Survey Marker. PCR Vernal Pool 4., (Canada Gobernadora: 33 deg 33'11''N, 117 deg 37'18''W) 226 Comment
  RSA666102  Verbena bracteata Fred M. Roberts, Michelle Lee 2001-6-4 5486 Orange Rancho Mission Viejo: Chiquita Ridge, 0.3km WNW Median Rancho Survey Marker. PCR Vernal Pool 4. (Canada Gobernadora. 226 Comment
  RSA666105  Malvella leprosa Fred M. Roberts, Michelle Lee 2001-6-18 5494 Orange Rancho Mission Viejo: Chiquita Ridge, 0.3km WNW Median Rancho Survey Marker. PCR Vernal Pool 4. 226 Comment
  RSA666106  Xanthium strumarium Fred M. Roberts, Michelle Lee 2001-6-18 5495 Orange Rancho Mission Viejo: Chiquita Ridge, 0.3km WNW Median Rancho Survey Marker. PCR Vernal Pool 4. 226 Comment
  RSA666107  Rumex crispus Fred M. Roberts, Michelle Lee 2001-6-18 5496 Orange Rancho Mission Viejo: Chiquita Ridge, 0.3km WNW Median Rancho Survey Marker. PCR Vernal Pool 4. 226 Comment
  RSA678492  Lotus scoparius Fred M. Roberts, Robert L. Allen, Carol Roberts 2003-5-11 5851 Orange Dana Point Headlands: 0.8km SSW Richard Henry Dana School north of Marguerita Drive 76 Comment
  RSA678493  Pterostegia drymarioides Fred M. Roberts, Robert L. Allen, Carol Roberts 2003-5-11 5850 Orange Dana Point Headlands: 0.8km SSW Richard Henry Dana School north of Marguerita Drive. 76 Comment
  RSA678496  Stylocline gnaphaloides Fred M. Roberts, Robert L. Allen, Carol Roberts 2003-5-11 5846 Orange Dana Point Headlands: 0.8km SSW Richard Henry Dana School north of Marguerita Drive 76 Comment
  RSA678499  Camissonia bistorta Fred M. Roberts, Robt. Allen, Carol A. Roberts 2003-5-11 5843 Orange Dana Point Headlands: 0.8km SSW Richard Henry Dana School north of Marguerita Drive. 76 Comment
  RSA678502  Dudleya blochmaniae subsp. blochmaniae Fred M. Roberts, Robt Allen, Carol A. Roberts 2003-5-11 5863 Orange Dana Point Headlands: hilltop, 0.6km SSW Richard Henry Dana School south of Pacific Coast Highway and north of Scenic Drive. 73 Comment
  RSA678517  Ceanothus integerrimus var. puberulus Fred M. Roberts, Kirsten Winter, Leanne Naue 1997-6-5 5040 Orange Santa Ana Mtns,: Santiago Peak, Main Divide Truck Trail at Orange-Riverside County line, 0.5km N summit. 1659 Comment
  RSA678518  Selaginella asprella Fred M. Roberts, Kirsten Winter, Leanne Naue 1997-6-5 5041 Orange Santa Ana Mtns.: Modjeska Peak, above Main Divide Truck Trail, 0.5km (aerial) W summit. 1483 Comment
  RSA678520  Verbesina dissita Fred M. Roberts, Leo Song 2002-8-1 5528 Orange San Joaquin Hills: Laguna Beach, South flank Temple Hill on slopes of Hobo Canyon, near jct. of Balboa Ave. and Nyes Place; 1.0km ENE Sugarloaf Pt. 163 Comment
  RSA678522  Juncus bufonius var. bufonius Fred M. Roberts, M. Lee, Kristen Szabo 2001-4-13 5427 Orange Rancho Mission Viejo: South of San Juan Creek, 0.6km WNW Median Rancho Survey Marker. PCR Vernal Pool 2. 183 Comment
  RSA678523  Allium monticola Fred M. Roberts, David E. Bramlet 2002-6-6 5526 Orange Main Divide Truck Trail, west slope of Modjeska Peak, 0.4km WNW summit. 1457 Comment
  RSA678526  Turricula parryi Fred M. Roberts, D. E. Bramlet 2002-6-6 5522 Orange Santa Ana Mts: Main Divide Truck Trail, above McVicker Cyn., 1.5 km ENE Los Pinos Pk. 1247 Comment
  RSA678717  Rhus integrifolia Fred M. Roberts, Laura Cohen 2000-3-24 5271 Orange Rancho Mission Veijo Land Conservancy: Tributary to Christanitos Cyn., Flagpole Meadow, upper shady Canyon Trail, about 1.6 NW Sycamore Gate. 170 Comment
  RSA678719  Polypogon monspeliensis Fred M. Roberts, Michelle Lee 2001-6-29 5504 Orange Rancho Mission Veijo: Chiquita Ridge, 0.3km WnW Rancgo Macian Survey Marker. PCR Vernal Pool 4., (33 33'11N,117 37' 18 W; T7S R7W, NW 1/4sec 21) 226 Comment
  RSA678722  Mimulus aurantiacus Fred M. Roberts, Robert L. Allen, Carol Roberts 2003-5-11 5853 Orange Dana Point Headlands: 0.8km SSW Richard Henry Dana School north of Marguerita Drive. 76 Comment
  RSA678725  Andropogon glomeratus Fred M. Roberts, Carol A. Roberts, Robert Allen 2001-8-4 5518 Orange Santa Ana Mountains: San Juan Canyon at confluence with Viejo Cyn., on San Juan Creek below Calif. Rte. 74, 4.0km WnW Sitton Peak., (33 35' 41 N, 117 29' 14 W; T6S,R6W,SE/4 SE/4 Sect. 34) 287 Comment
  RSA678727  Malvaviscus arboreus Fred M. Roberts, Leo Song 2002-8-1 562 Orange San Joaquin Hills: Laguna Beach, South flank Temple hill, between Nyes Place and Balboa Ave.; 0.9 km ENE Sugarloaf pt. 183 Comment
  RSA678733  Nassella lepida Fred M. Roberts, Robert Allen, Carol Roberts 2003-5-11 5862 Orange Dana Point Headlands: hilltop, 0.6km SSW Richard Henry Dana School south of Pacific Coast Highway and north of Scenic Drive., (UTM: 11S - 04 33 104mE, 37 02 642mN) 73 Comment
  RSA678735  Linanthus dianthiflorus Fred M. Roberts, Carol A. Roberts, Robert Allen 2003-5-11 5860 Orange Dana Point Headlands: hilltop, 0.6km SSW Richard Henry Dana School south of Pacific Coast Highway and north of Scenic Drive. 73 Comment
  RSA678736  Daucus pusillus Fred M. Roberts, Carol A. Roberts, Robert Allen 2003-5-11 5859 Orange Dana Point Headlands: hilltop, 0.6km SSW Richard Henry Dana School south of Pacific Coast Highway and north of Scenic Drive. 73 Comment
  RSA678737  Hemizonia fasciculata Fred M. Roberts, Carol A. Roberts, Robert Allen 2003-5-11 5858 Orange Dana Point Headlands: hilltop, 0.6km SSW Richard Henry Dana School south of Pacific Coast Highway and north of Scenic Drive. 73 Comment
  RSA678738  Hordeum intercedens Fred M. Roberts, Carol A. Roberts, Robert Allen 2003-5-11 5857 Orange Dana Point Headlands: hilltop, 0.6km SSW Richard Henry Dana School south of Pacific Coast Highway and north of Scenic Drive., (UTM: 11S - 04 33 104mE, 37 02 642mN) 73 Comment
  RSA679087  Tauschia parishii Fred M. Roberts 2003-6-25 5940 Orange Santiago peak, north slopes along ridge east of Main Divide truck trail, 0.6km NNW summit. 1605 Comment
  RSA679089  Salix exigua Fred M. Roberts 2003-7-24 5970 Orange San Juan Capistrono: San Juan Creek, c.a. 0.1 km NE La Novia Bridge. Along creek on cobbly sand of wash in open southern willow scrub and mulefat scrub. 27 Comment
  RSA679090  Amorpha fruticosa Fred M. Roberts 2003-7-24 5969 Orange San Juan Capistrono: San Juan Creek, c.a. 0.1 km NE La Novia Bridge. Along creek on cobbly sand of wash in open southern willow scrub and mulefat scrub. 27 Comment
  RSA679091  Lotus heermannii var. heermannii Fred M. Roberts 2003-7-24 5968 Orange San Juan Capistrono: San Juan Creek, c.a. 0.1 km NE La Novia Bridge. Along creek on cobbly sand of wash in open southern willow scrub and mulefat scrub. 27 Comment
  RSA679093  Cosmos bipinnatus Fred M. Roberts 2003-7-24 5966 Orange San Juan Capistrono: San Juan Creek, c.a. 0.1 km NE La Novia Bridge. Along creek on cobbly sand of wash in open southern willow scrub and mulefat scrub. 27 Comment
  RSA679094  Salix laevigata Fred M. Roberts 2003-7-24 5965 Orange San Juan Capistrono: San Juan Creek, c.a. 0.1 km NE La Novia Bridge. Along creek on cobbly sand of wash in open southern willow scrub and mulefat scrub. 27 Comment
  RSA679095  Polystichum imbricans subsp. curtum Fred M. Roberts 2003-6-25 5950 Orange Santiago peak, north slopes along ridge east of Main Divide truck trail, 0.6km NNW summit. 1605 Comment
  RSA679096  Ribes amarum Fred M. Roberts 2003-6-25 5951 Orange Santa Ana Mountains: Mojeska Peak in Upper Cold Springs Cyn., north of Main divide Truck Trail, 0.4 km ESE summit. 1471 Comment
Read comments
Jan 3 2007
  RSA679097  Phacelia cicutaria subsp. hispida Fred M. Roberts 2003-6-25 5952 Orange Santa Ana Mountains: Mojeska Peak in Upper Cold Springs Cyn., north of Main divide Truck Trail, 0.4 km ESE summit. 1471 Comment
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Jan 25 2007
  RSA679098  Gnaphalium leucocephalum Fred M. Roberts 2003-7-24 5963 Orange San Juan Capistrono: San Juan Creek, c.a. 0.1 km NE La Novia Bridge. Along creek on cobbly sand of wash in open southern willow scrub and mulefat scrub. 27 Comment
  RSA679215  Brodiaea terrestris subsp. kernensis Fred M. Roberts 2003-6-17 5912 Orange Just NE of Falcon roup Camp, 2.1km ESWE Los Pinos Peak just west of main road. 1009 Comment
  RSA679216  Agoseris grandiflora var. grandiflora Fred M. Roberts 2003-6-17 5917 Orange Just NE of Falcon roup Camp, 2.1km ESE Los Pinos Peak just west of main road. 1009 Comment
  RSA679217  Torilis arvensis Fred M. Roberts 2003-6-17 5916 Orange Just NE of Falcon roup Camp, 2.1km ESWE Los Pinos Peak just west of main road. 1009 Comment
  RSA679218  Delphinium parryi subsp. parryi Fred M. Roberts 2003-6-17 5915 Orange Just NE of Falcon roup Camp, 2.1km ESWE Los Pinos Peak just west of main road. 1009 Comment
  RSA679221  Quercus chrysolepis Fred M. Roberts 2003-6-25 5945 Orange Santiago peak, north slopes along ridge east of Main Divide truck trail, 0.6km NNW summit. 1605 Comment
  RSA679222  Galium angustifolium Fred M. Roberts 2003-6-25 5949 Orange Santa Ana Mountains: Mojeska Peak in Upper Cold Springs Cyn., north of Main divide Truck Trail, 0.4 km ESE summit. 1471 Comment
Read comments
Jan 12 2007
  RSA679224  Calochortus invenustus Fred M. Roberts 2003-6-25 5946 Orange Santiago peak, north slopes along ridge east of Main Divide truck trail, 0.6km NNW summit. 1605 Comment
  RSA679225  Quercus wislizeni var. frutescens Fred M. Roberts 2003-6-25 5946 Orange Santiago peak, north slopes along ridge east of Main Divide truck trail, 0.6km NNW summit. 1605 Comment
  RSA679226  Elymus multisetus Fred M. Roberts 2003-6-25 5944 Orange Santiago peak, north slopes along ridge east of Main Divide truck trail, 0.6km NNW summit. 1605 Comment
  RSA679228  Calochortus splendens Fred M. Roberts 2003-6-25 5942 Orange Santiago peak, north slopes along ridge east of Main Divide truck trail, 0.6km NNW summit. 1605 Comment
  RSA679229  Eriogonum fasciculatum var. polifolium Fred M. Roberts 2003-6-25 5941 Orange Santiago peak, north slopes along ridge east of Main Divide truck trail, 0.6km NNW summit. 1605 Comment
  RSA681012  Lepidium nitidum var. nitidum Fred M. Roberts, D. E. Bramlet 2003-3-13 5583 Orange Donna O Neill Land Conservancy: Ridge west of Christianitos Canyon, 1.6 km NW Sycamore Gate. 207 Comment
  RSA681013  Calochortus splendens Fred M. Roberts, David E. Bramlet 2003-3-13 5581 Orange Donna ONeill Land Conservancy: Ridge west of Christianitos Canyon, 1.6 km NW Sycamore Gate. 207 Comment
  RSA681014  Lupinus truncatus Fred M. Roberts, D. E. Bramlet 2003-3-13 5580 Orange Donna O'Neill Land Conservancy: Ridge west of Christianitos Canyon, 1.6 km NW Sycamore Gate. 207 Comment
  RSA681017  Sisyrinchium bellum Fred M. Roberts, David E. Bramlet 2003-3-13 5571 Orange Donna ONeill Land Conservancy: Ridge west of Christianitos Canyon, 1.6 km NW Sycamore Gate. 197 Comment
  RSA681019  Dichelostemma capitatum subsp. capitatum Fred M. Roberts, David E. Bramlet 2003-3-7 5567 Orange Donna O Neill Land Conservancy; West slopes of Christianitos Canyon, Middle Ridge Trail, 0.1km NW Gato Gate. 123 Comment
  RSA681022  Cryptantha microstachys Fred M. Roberts, D. E. Bramlet 2003-3-13 5584 Orange Donna O Neill Land Conservancy: Ridge west of Christianitos Canyon, 1.6 km NW Sycamore Gate. 207 Comment
  RSA681025  Stachys rigida subsp. quercetorum Fred M. Roberts, D. E. Bramlet 2003-3-13 5575 Orange Donna O Neill Land Conservancy: Ridge west of Christianitos Canyon, 1.6 km NW Sycamore Gate. 197 Comment
  RSA681026  Sanicula arguta Fred M. Roberts, D. E. Bramlet 2003-3-13 5573 Orange Donna O Neill Land Conservancy: Ridge west of Christianitos Canyon, 1.6 km NW Sycamore Gate. 197 Comment
  RSA681945  Sanicula arguta Fred M. Roberts, D. E. Bramlet 2003-3-13 5574 Orange Donna O Neill Land Conservancy: Ridge west of Christianitos Canyon, 1.6 km NW Sycamore Gate. 197 Comment
  RSA681946  Nassella pulchra Fred M. Roberts, David E. Bramlet 2003-3-13 5572 Orange Donna O'Neill Land Conservancy: Ridge west of Christianitos Canyon, 1.6 km NW Sycamore Gate., (33 deg 29' 41N, 117 deg 34' 20W; [UTM 11S-04 46 773mE, 37 06 077mN 197 Comment
  RSA681947  Lotus scoparius var. scoparius Fred M. Roberts, David E. Bramlet 2003-3-7 5570 Orange Donna O'Neill Land Conservancy; Ridge west of Christianitos Canyon, Middle Ridge Trail, 1.1km NW Gato Gate. 178 Comment
  RSA681952  Plantago erecta Fred M. Roberts, D. E. Bramlet 2003-3-7 5564 Orange Donna O'Neill Land Conservancy; West slopes of Christianitos Canyon, Middle Ridge Trail, 0.1km NW Gato Gate. 123 Comment
  RSA683064  Aristida adscensionis Fred M. Roberts 2003-3-19 5609 Orange Donna O'Neill Land Conservancy: Ridges west of Cristianitos Cyn., 1,750m NNW Sycamore gate and 315m W Cristianitos Rd. (Canada Gobernadora., 33 deg 29'51'' N, 117 deg 34'13''W 192 Comment
  RSA683065  Castilleja affinis Fred M. Roberts 2003-3-19 5608 Orange Donna O'Neill Land Conservancy: Ridges west of Cristianitos Cyn., 1,750m NNW Sycamore gate and 315m W Cristianitos Rd. (Canada Gobernadora) 192 Comment
  RSA683066  Mirabilis laevis var. crassifolia Fred M. Roberts 2003-3-19 5605 Orange Donna O Neill Land Conservancy: Ridges west of Cristianitos Cyn., 1,750m NNW Sycamore gate and 315m W Cristianitos Rd. (Canada Gobernadora) 192 Comment
  RSA683068  Eucrypta chrysanthemifolia var. chrysanthemifolia Fred M. Roberts 2003-3-19 5603 Orange Donna O Neill Land Conservancy: Ridges west of Cristianitos Cyn., 1,750m NNW Sycamore gate and 315m W Cristianitos Rd. (Canada Gobernadora) 192 Comment
  RSA683069  Calystegia macrostegia subsp. cyclostegia Fred M. Roberts, D. E. Bramlet 2003-3-13 5600 Orange Donna O'Neill Land Conservancy: Flagpole Meadow, upper Shady Cyn. W. of Cristianitos Canyon, 1,500m NW Sycamore Gate and 1,220m W Cristianitos Rd. 173 Comment
  RSA683071  Salvia mellifera Fred M. Roberts 2003-3-13 5593 Orange Donna O Neill Land Conservancy: Ridge west of Christianitos Canyon, 1,320m NW Sycamore Gate and 880m W Cristianitos Rd. 179 Comment
  RSA683073  Calystegia macrostegia subsp. intermedia Fred M. Roberts 2003-3-13 5591 Orange Donna O'Neill Land Conservancy: Ridge west of Christianitos Canyon, 1,320m NW Sycamore Gate and 880m W Cristianitos Rd. 179 Comment
  RSA684300  Nassella lepida Fred M. Roberts 2003-3-19 5606 Orange Donna O'Neill Land Conservancy: Ridges west of Cristianitos Cyn., 1,750m NNW Sycamore gate and 315m W Cristianitos Rd. (Canada Gobernadora., 33 deg 29'51'' N, 117 deg 34'13''W 192 Comment
  RSA684301  Rhamnus ilicifolia Fred M. Roberts 2003-3-19 5607 Orange Donna O'Neill Land Conservancy: Ridges west of Cristianitos Cyn., 1,750m NNW Sycamore gate and 315m W Cristianitos Rd. (Canada Gobernadora) 192 Comment
  RSA684302  Quercus engelmannii Fred M. Roberts, David E. Bramlet. 2003-3-13 5596 Orange Donna O'Neill Land Conservancy: Shady Cyn. tributary to Cristianitos Canyon, 1,200m NW Sycamore Gate and 914m W Cristianitos Rd. 177 Comment
  RSA684303  Quercus engelmannii Fred M. Roberts, David E. Bramlet 2003-3-13 5597 Orange Donna O'Neill Land Conservancy: Shady Cyn. tributary to Cristianitos Canyon, 1,200m NW Sycamore Gate and 914m W Cristianitos Rd. 177 Comment
  RSA684304  Erodium moschatum Fred M. Roberts, David E. Bramlet 2003-3-13 5602 Orange Donna O Neill Land Conservancy: Flagpole Meadow, upper Shady Cyn. W of Cristianitos Canyon, 1,500m NW Sycamore Gate and 1,220m W Cristianitos Rd. 173 Comment
  RSA684307  Stylocline gnaphaloides Fred M. Roberts 2003-3-13 5588 Orange Donna O'Neill Land Conservancy: Ridge west of Christianitos Canyon, 1,320m NW Sycamore Gate and 880m W Cristianitos Rd. 179 Comment
  RSA685922  Distichlis spicata Fred M. Roberts 2003-3-27 5632 Orange Rancho Mission Viejo:Donna O'Neill Land Conservancy, western slopes of Chistianitos Canyon, 0.25km N Sycamore Gate 0.13km W Cristianitos Road 116 Comment
  RSA685925  Hedypnois cretica Fred M. Roberts 2003-3-27 5624 Orange Rancho Mission Viejo:Donna O'Neill Land Conservancy, Chistianitos Canyon, along North Ride Trail, 1.37 km N Sycamore Gate, 0.36 km W Chistianitos Rd. 114 Comment
  RSA685926  Hordeum murinum subsp. leporinum Fred M. Roberts 2003-3-27 5625 Orange Rancho Mission Viejo:Donna O'Neill Land Conservancy, Chistianitos Canyon, along North Ride Trail, 1.37 km N Sycamore Gate, 0.36 km W Chistianitos Rd. 114 Comment
  RSA685928  Baccharis salicifolia Fred M. Roberts 2003-3-27 5627 Orange Rancho Mission Viejo:Donna O'Neill Land Conservancy, Chistianitos Canyon, along North Ride Trail, 1.37 km N Sycamore Gate, 0.36 km W Chistianitos Rd. 114 Comment
  RSA685929  Poa annua Fred M. Roberts 2003-3-27 5628 Orange Rancho Mission Viejo:Donna O'Neill Land Conservancy, Chistianitos Canyon, along North Ride Trail, 1.37 km N Sycamore Gate, 0.36 km W Chistianitos Rd. 114 Comment
  RSA685930  Eleocharis palustris Fred M. Roberts, David E. Bramlet 2003-3-27 5613 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, western slopes of Chistianitos Canyon, 0.8km N Sycamore Gate 0.15km W Cristianitos Road; (San Clemente). 139 Comment
  RSA685931  Microseris heterocarpa Fred M. Roberts, David E. Bramlet 2003-3-27 5614 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, western slopes of Chistianitos Canyon, 0.8km N Sycamore Gate 0.15km W Cristianitos Road; (San Clemente). 139 Comment
  RSA685933  Vicia sativa subsp. sativa Fred M. Roberts, D. E. Bramlet 2003-3-27 5617 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Chistianitos Cyn., 0.69km N Sycamore Gate, 0.96km W Chistianitos Rd. 122 Comment
  RSA685934  Bromus hordeaceus subsp. hordeaceus Fred M. Roberts, David E. Bramlet 2003-3-27 5618 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Chistianitos Cyn., 0.69km N Sycamore Gate, 0.96km W Chistianitos Rd. 122 Comment
  RSA685935  Geranium dissectum Fred M. Roberts, D. E. Bramlet 2003-3-27 5619 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, west slopes of Chistianitos Cyn., 0.69km N Sycamore Gate, 0.96km W Chistianitos Rd. 122 Comment
  RSA685936  Vulpia myuros Fred M. Roberts, David E. Bramlet 2003-3-27 5620 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Chistianitos Cyn., 0.69km N Sycamore Gate, 0.96km W Chistianitos Rd. 122 Comment
  RSA685937  Microseris douglasii subsp. platycarpha Fred M. Roberts, David E. Bramlet 2003-3-27 5621 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Chistianitos Cyn., 0.79km N Sycamore Gate, 0.23km W Chistianitos Rd. 122 Comment
  RSA687519  Lamarckia aurea Fred M. Roberts, David E. Bramlet 2003-4-10 5650 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, ridge between Cristianitos Cyn. and Segunda Deshecha Canada, 1.54km W Gato Gate and 1.59km NW Edison substation. 262 Comment
  RSA687522  Cerastium glomeratum Fred M. Roberts 2003-3-27 5630 Orange Rancho Mission Viejo:Donna O Neill Land Conservancy, Chistianitos Canyon, along North Ride Trail, 1.37 km N Sycamore Gate, 0.36 km W Chistianitos Rd. 114 Comment
  RSA688865  Plantago virginica Fred M. Roberts, D. E. Bramlet 2003-4-10 5654 Orange Rancho Mission Viejo: Donna O'Neill Land conservancy, ridges west of Christianitos Cyn., 1.41km SW Gato Gate and 1.19km W Christianitos Rd. Along south-running ridge on old dirt road. 184 Comment
  RSA688873  Lotus unifoliolatus Fred M. Roberts 2003-5-1 5666 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.49km S Gato Gate and just west of Cristianitos Rd. (San Clemente) 84 Comment
  RSA688874  Toxicodendron diversilobum Fred M. Roberts 2003-5-1 5665 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, Cristianitos Cyn., 0.49km S Gato Gate and just west of Cristianitos Rd. (San Clemente) 84 Comment
  RSA688974  Cercocarpus minutiflorus Fred M. Roberts, David E. Bramlet 2003-4-10 5646 Orange Rancho Mission Viejo: Donna O'Neill Land conservancy, Back Road, ridge between Cristianitos Cyn, and Segunda Deshecha Canada, 1.45km WNW Gato Gate. 216 Comment
  RSA688975  Quercus engelmannii Fred M. Roberts, D. E. Bramlet 2003-4-10 5645 Orange Rancho Mission Viejo: Donna O'Neill Land conservancy, Back Road, ridge between Cristianitos Cyn, and Segunda Deshecha Canada, 1.45km WNW Gato Gate. 216 Comment
  RSA688976  Galium angustifolium subsp. angustifolium Fred M. Roberts, David E. Bramlet 2003-4-10 5644 Orange Rancho Mission Viejo: Donna O'Neill Land conservancy, Back Road, ridge between Cristianitos Cyn, and Segunda Deshecha Canada, 1.45km WNW Gato Gate. 216 Comment
  RSA688977  Filago gallica Fred M. Roberts, David E. Bramlet 2003-4-10 5637 Orange Rancho Mission Viejo: Donna O'Neill Land conservancy, Back Road, ridge between Cristianitos Cyn, and Segunda Deshecha Canada, 1.45km WNW Gato Gate. 216 Comment
  RSA688980  Cynodon dactylon Fred M. Roberts, David E. Bramlet 2003-4-10 5638 Orange Rancho Mission Viejo: Donna O'Neill Land conservancy, Back Road, ridge between Cristianitos Cyn, and Segunda Deshecha Canada, 1.45km WNW Gato Gate. 216 Comment
  RSA688982  Anagallis arvensis Fred M. Roberts, D. E. Bramlet 2003-4-10 5640 Orange Rancho Mission Viejo: Donna O'Neill Land conservancy, Back Road, ridge between Cristianitos Cyn, and Segunda Deshecha Canada, 1.45km WNW Gato Gate. 216 Comment
  RSA688983  Clarkia purpurea Fred M. Roberts, D. E. Bramlet 2003-4-10 5641 Orange Rancho Mission Viejo: Donna O Neill Land conservancy, Back Road, ridge between Cristianitos Cyn, and Segunda Deshecha Canada, 1.45km WNW Gato Gate. 216 Comment
  RSA699317  Pellaea andromedifolia Fred M. Roberts, D. E. Bramlet 2003-5-1 5695 Orange Rancho Mission Viejo; Donna O'Neil Land Conservancy, Cristianitos Cyn., 0.56 km SSW Gato Gate and 0.21 km W of Cristianitos Rd. 110 Comment
  RSA699321  Vicia villosa Fred M. Roberts 2003-5-1 5683 Orange Rancho Mission Viejo; Donna oNeill Land Conservancy, Cristianitos Cyn., 0.60km SSW Gato Gate and 0.16km W of Cristianitos Rd. 93 Comment
  RSA699326  Bloomeria crocea var. crocea Fred M. Roberts 2003-5-1 5678 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, Cristianitos Cyn., 0.5km SSW Gato Gate and 0.1km west of Cristianitos Rd. 99 Comment
  RSA699743  Bromus pseudolaevipes Fred M. Roberts, David E. Bramlet 2003-5-15 5876 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 1.41km SSW Gato Gate and 0.35km NNW of SDG&E substation. 122 Comment
  RSA699744  Achillea millefolium var. californica Fred M. Roberts, David Bramlet 2003-5-15 5875 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 1.41km SSW Gato Gate and 0.35km NNW of SDG&E substation. 122 Comment
  RSA699745  Silene laciniata subsp. major Fred M. Roberts, David E. Bramlet 2003-5-15 5874 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 1.41km SSW Gato Gate and 0.35km NNW of SDG&E substation. 122 Comment
  RSA699746  Polypodium californicum Fred M. Roberts, D. E. Bramlet 2003-5-15 5873 Orange Rancho Mission Viejo; Donna O Neill Land Conservancy Cristianitos Cyn, 1.41 km SSW Gato Gate and 0.35 km NNW of SDG&E substation. 122 Comment
  RSA699756  Solanum douglasii Fred M. Roberts, David E. Bramlet 2003-6-6 5888 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.7km SW int. Cristianitos and TRW Rds. and 0.23km W of SDGandE substation. 94 Comment
  RSA699757  Dudleya lanceolata Fred M. Roberts, D. E. Bramlet 2003-6-6 5885 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 1.41km SSW Gato Gate and 0.35km NNW of SDG&E substation. 117 Comment
  RSA699758  Crassula connata Fred M. Roberts, D. E. Bramlet 2003-5-15 5867 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, tributary to Cristianitos Cyn., 1.68km SW Gato Gate and .24km NW of SDG&E substation. 116 Comment
  RSA700250  Osmadenia tenella Fred M. Roberts 2003-5-1 5676 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.5km SSW Gato Gate and 0.1km west of Cristianitos Rd. 99 Comment
  RSA700251  Selaginella cinerascens Fred M. Roberts 2003-5-1 5675 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, Cristianitos Cyn., 0.5km SSW Gato Gate and 0.1km west of Cristianitos Rd. 99 Comment
  RSA701689  Gnaphalium luteoalbum Fred M. Roberts, David E. Bramlet 2003-6-6 5899 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Cristianitos Canyon, 0.86 km SSW Gato Gate and 0.39 km W of Cristianitos Road. 149 Comment
  RSA701690  Gnaphalium palustre Fred M. Roberts, David E. Bramlet 2003-6-6 5898 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Cristianitos Canyon, 0.86 km SSW Gato Gate and 0.39 km W of Cristianitos Road. 149 Comment
  RSA701692  Salix gooddingii Fred M. Roberts, David E. Bramlet 2003-6-6 5895 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Cristianitos Canyon, 0.86 km SSW Gato Gate and 0.39 km W of Cristianitos Road. Comment
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Mar 11 2015
  RSA701800  Scrophularia californica subsp. floribunda Fred M. Roberts, David E. Bramlet 2003-6-6 5889 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.7km SW int. Cristianitos and TRW Rds. and 0.23km W of SDGandE substation. 94 Comment
  RSA701801  Centaurea melitensis Fred M. Roberts, David E. Bramlet 2003-6-6 5890 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.7km SW int. Cristianitos and TRW Rds. and 0.23km W of SDG&E substation. 94 Comment
  RSA701803  Castilleja minor subsp. spiralis Fred M. Roberts 1999-7-22 5251 Orange Lomas de Santiago: Lomas Ridge, tributary to Limestone Canyon at Dripping Springs. Limestone Wilderness Park. 415 Comment
  RSA701804  Lobelia dunnii var. serrata Fred M. Roberts 1999-7-22 5249 Orange Lomas de Santiago: Lomas Ridge, tributary to Limestone Canyon at Dripping Springs. Limestone Wilderness Park. 415 Comment
  RSA701807  Adiantum capillus-veneris Fred M. Roberts 1999-7-22 5248 Orange Lomas de Santiago: Lomas Ridge, tributary to Limestone Canyon at Dripping Springs. Limestone Wilderness Park. 415 Comment
  RSA701808  Gutierrezia sarothrae Fred M. Roberts 2000-6-8 5339 Orange Chino Hills: Yorba Linda, on ridge between Box and Lost Trough Canyons, c.a. 1.2km NE Bench Mark 388 266 Comment
  RSA701812  Mimulus floribundus Fred M. Roberts, David Bramlet 2003-6-6 5902 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Cristianitos Canyon, 0.86 km SSW Gato Gate and 0.39 km W of Cristianitos Road. Comment
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Nov 9 2014
  RSA701948  Mimulus guttatus Fred M. Roberts, David Bramlet 2003-6-6 5901 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Cristianitos Canyon, 0.86 km SSW Gato Gate and 0.39 km W of Cristianitos Road. Comment
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Nov 7 2014
  RSA701949  Veronica anagallis-aquatica Fred M. Roberts, David E. Bramlet 2003-6-6 5900 Orange Rancho Mission Viejo: Donna O'Neil Land Conservancy, Cristianitos Cyn along Cristianitos Ck., 1 km SSW Gato Gate and 0.31 km W of Cristianitos Rd. 73 Comment
  RSA701954  Jepsonia parryi Fred M. Roberts, Robert L. Allen 2004-1-16 6021 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.63 km SSW Gato Gate and 0.23km W of Cristianitos Rd. 107 Comment
  RSA701967  Phoradendron macrophyllum subsp. macrophyllum Fred M. Roberts 2003-6-20 5929 Orange Rancho Mission Viejo: Donna O'Neil Land Conservancy, Cristianitos Cyn., along Shady Canyon Trail, 84 meters N Sycamore Gate and 50 meters W Cristianitos Rd. 101 Comment
  RSA701969  Chlorogalum pomeridianum var. pomeridianum Fred M. Roberts, David E. Bramlet 2003-6-20 5928 B Orange Rancho Mission Viejo: Donna ONeil Land Conservancy, Cristianitos Cyn., along Shady Canyon Trail, 84 meters N Sycamore Gate and 50 meters W Cristianitos Rd. 101 Comment
  RSA702202  Quercus agrifolia var. agrifolia Fred M. Roberts, David E. Bramlet 2003-6-20 5923 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, tributary to Christianitos Cyn, along Back Road, 1.48 km WNW Sycamore Gate. 189 Comment
  RSA702205  Datura wrightii Fred M. Roberts, David E. Bramlet 2003-6-20 5920 Orange Rancho Mission Viejo; Donna O'Neil Land Conservancy tributary to Cristianitos Cyn, along Back Road, 1.4 km WNW Sycamore Gate. 189 Comment
  RSA702211  Quercus engelmannii Fred M. Roberts, Robert L. Allen 2004-1-16 6019 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.56 km SSW Gato Gate and 0.15km W of Cristianitos Rd. 92 Comment
  RSA703087  Platanus racemosa Fred M. Roberts, Art Davenport 2003-9-11 6007 Orange Rancho Mission Viejo: Donna O'Neil Land Conservancy, tributary west of Cristianitos Cyn., 1.52 km NNW Sycamore Gate and 250 m W of Cristianitos Road. 152 Comment
  RSA703088  Picris echioides Fred M. Roberts, Art Davenport 2003-9-11 6006 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy. Cristianitos Cyn., 0.79 km N Sycamore Gate 0.23 km w of Crisianitos Road. 126 Comment
  RSA703091  Corethrogyne filaginifolia var. virgata Fred M. Roberts, Arthur Davenport 2003-9-11 6004 Orange Rancho Mission Viejo: Donna O' Neill Land Conservancy. Cristianitos Cyn., 0.79 km N Sycamore Gate 0.23 km w of Crisianitos Road. 126 Comment
  RSA703093  Xanthium strumarium Fred M. Roberts, Art Davenport 2003-9-11 6003 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy. Cristianitos Cyn., 0.79 km N Sycamore Gate 0.23 km w of Crisianitos Road. 126 Comment
  RSA703094  Isocoma menziesii var. vernonioides Fred M. Roberts, Art Davenport 2003-9-11 6002 Orange Rancho Mission Viejo: Donna O' Neill Land Conservancy. Cristianitos Cyn., 0.79 km N Sycamore Gate 0.23 km w of Crisianitos Road. 126 Comment
  RSA703138  Artemisia tridentata subsp. tridentata Fred M. Roberts, Arthur Davenport 2003-9-11 6017 Orange Rancho Mission Viego: Donna O'Neill Land Conservancy, Cristianitos Cyn., 85m SSW Sycamore Gate, 35m W of Cristianitos Road. 119 Comment
  RSA703142  Conyza bonariensis Fred M. Roberts 2003-9-11 6014 Orange Rancho Mission Viejo; Donna O'neill Land Conservancy, Cristianitos Cyn., 0.79 km N of Sycamore Gate, 0.23 km W of Christianitos Road. 126 Comment
  RSA703357  Baccharis pilularis Fred M. Roberts, Laura Cohen 2004-2-13 6024 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Shady Canyon tributary to Cristianitos Cyn., 1.34 km NW Sycamore Gate, 0.85 km W of Cristianitos Road. 156 Comment
  RSA703358  Marah macrocarpa var. macrocarpa Fred M. Roberts, Laura Cohen 2004-2-13 6023 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Shady Canyon tributary to Cristianitos Cyn., 1.34 km NW Sycamore Gate, 0.85 km W of Cristianitos Road. 152 Comment
  RSA703680  Stephanomeria diegensis Fred M. Roberts, David E. Bramlet 2004-11-5 6128 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Cristianitos Cyn., 0.79 km N Sycamore Gate and 0.18 km W Cristianitos Road. 146 Comment
  RSA703682  Jepsonia parryi Fred M. Roberts, D. E. Bramlet 2004-11-5 6127 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, west slopes of Cristianitos Cyn., 0.79 km N Sycamore Gate and 0.18 km W Cristianitos Road. 146 Comment
  RSA703683  Grindelia camporum var. bracteosa Fred M. Roberts, David E. Bramlet 2004-11-5 6126 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Cristianitos Cyn., 0.79 km N Sycamore Gate and 0.18 km W Cristianitos Road. 146 Comment
  RSA703685  Kickxia elatine Fred M. Roberts, David E. Bramlet 2004-7-30 6093 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., parking area at Gato Gate and 0.06 km W Cristianitos Road. 96 Comment
  RSA703698  Lepidium virginicum var. robinsonii Fred M. Roberts, Arthur Davenport 2004-2-20 6025 Orange Santa Ana Mtns.: San Juan Canyon, SR 74, south side of road, 0.62 km SW San Lower San Juan Picnic Ground; 1.89 km WNW Sitton Peak. 390 Comment
  RSA703699  Ceanothus crassifolius var. crassifolius Fred M. Roberts, Arthur Davenport 2004-2-20 6026 Orange Santa Ana Mtns.: San Juan Canyon, SR 74, south side of road, 0.62 km SW San Lower San Juan Picnic Ground; 1.89 km WNW Sitton Peak. 390 Comment
  RSA703700  Calochortus albus Fred M. Roberts 2003-4-20 5657 Orange Santa Ana Mtns.: San Juan Canyon, SR 74, south side of road, 3.54 km by road E San Juan Guard Station; 3.08km WNW Sitton Peak. 361 Comment
  RSA703701  Trichostema lanatum Fred M. Roberts, Robert Allen, Michelle Balk 2004-5-1 6044 Orange Santa Ana Mountains: Los Pinos Potrero, trail, 0.5km SW Blue Jay Campground and 2.1 km SSE Los Pinos Pk. 1317 Comment
  RSA703703  Lepidospartum squamatum Fred M. Roberts, David E. Bramlet 2004-7-30 6089 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy Cristianitos Canyon, along Cristianitos Ck., 0.93 km SSW Gato Gate and 0.23 km W Cristianitos Road. 76 Comment
  RSA703704  Amorpha fruticosa Fred M. Roberts, David E. Bramlet 2004-7-30 6090 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy Cristianitos Canyon, along Cristianitos Ck., 0.93 km SSW Gato Gate and 0.23 km W Cristianitos Road. 76 Comment
  RSA703730  Gnaphalium leucocephalum Fred M. Roberts, David E. Bramlet 2004-7-30 6088 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy Cristianitos Canyon, along Cristianitos Ck., 0.93 km SSW Gato Gate and 0.23 km W Cristianitos Road. 76 Comment
  RSA703732  Foeniculum vulgare Fred M. Roberts, D. E. Bramlet 2004-7-30 6092 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, Cristianitos Cyn., parking area at Gato Gate and 0.06 km W Cristianitos Road. 96 Comment
  RSA703733  Scirpus microcarpus Fred M. Roberts, David E. Bramlet 2004-11-5 6131 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, Gato Cyn., tributary to Cristianitos Cyn., 0.23km W Gato Gate. 102 Comment
  RSA703734  Juncus arcticus Fred M. Roberts, David E. Bramlet 2004-11-5 6123 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, Cristianitos Cyn., along creek, 0.73km N Sycamore Gate and 0.10 km W Cristianitos Road. 122 Comment
  RSA703880  Raphanus sativus Fred M. Roberts, D. E. Bramlet 2004-4-21 6043 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy. Along Back Road in upper Shady Canyon, 1.74km NW Sycamore Gate, 1.23km W of Cristianitos Road. 180 Comment
  RSA703881  Conyza canadensis Fred M. Roberts, David E. Bramlet 2004-11-5 6078 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, tributary to Cristianitos Cyn., 0.14 km NNW Sycamore Gate and 0.10 km W Cristianitos Rd. 110 Comment
  RSA703882  Selaginella bigelovii Fred M. Roberts, D. E. Bramlet 2004-7-30 6079 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, Western slopes of Cristianitos Cyn., 0.25km W Sycamore Gate and Cristianitos Road. 151 Comment
  RSA703883  Dudleya pulverulenta subsp. pulverulenta Fred M. Roberts, D. E. Bramlet 2004-7-30 6080 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Western slopes of Cristianitos Cyn., 0.25km W Sycamore Gate and Cristianitos Road. 151 Comment
  RSA704425  Opuntia littoralis Fred M. Roberts, David E. Bramlet 2004-7-30 6081 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Western slopes of Cristianitos Cyn., 0.25km W Sycamore Gate and Cristianitos Road. 151 Comment
  RSA704426  Carpobrotus edulis Fred M. Roberts, David E. Bramlet 2004-7-30 6083 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, Cristianitos Cyn. along Cristianitos Ck., 1.1 km SSW Gato Gate and 0.32km W Cristianitos Road. 73 Comment
  RSA704428  Plantago major Fred M. Roberts, David E. Bramlet 2004-7-30 6085 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn. along Cristianitos Ck., 1.1 km SSW Gato Gate and 0.32km W Cristianitos Road. 73 Comment
  RSA704429  Euphorbia albomarginata Fred M. Roberts, David E. Bramlet 2004-7-30 6086 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn. along Cristianitos Ck., 1.1 km SSW Gato Gate and 0.32km W Cristianitos Road. 73 Comment
  RSA704430  Gnaphalium leucocephalum Fred M. Roberts, David E. Bramlet 2004-7-30 6087 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn. along Cristianitos Ck., 1.1 km SSW Gato Gate and 0.32km W Cristianitos Road. 73 Comment
  RSA704434  Micropus californicus Fred M. Roberts, David E. Bramlet 2004-4-21 6037 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Shady Canyon, tributary to Cristianitos Cyn., 1.05 km NW Sycamore Gate, 0.94 km W of Cristianitos Road. 158 Comment
  RSA704929  Sisymbrium officinale Fred M. Roberts, David E. Bramlet 2004-4-21 6042 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, Flagpole Meadow in upper Shady Canyon, 1.63 km NW Sycamore Gate, 1.18 km W of Cristianitos Road. 168 Comment
  RSA704931  Stellaria media Fred M. Roberts, David E. Bramlet 2004-4-21 6040 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, Flagpole Meadow in upper Shady Canyon, 1.63 km NW Sycamore Gate, 1.18 km W of Cristianitos Road. 168 Comment
  RSA704933  Aphanes occidentalis Fred M. Roberts, David E. Bramlet 2004-4-21 6038 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Shady Canyon, tributary to Cristianitos Cyn., 1.18 km NW Sycamore Gate, 1.08 km W of Cristianitos Road. 162 Comment
  RSA704935  Poa secunda subsp. secunda Fred M. Roberts, David E. Bramlet 2004-4-21 6033 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Shady Canyon, tributary to Cristianitos Cyn., 0.55 km NW Sycamore Gate, 0.58 km W of Cristianitos Road. 134 Comment
  RSA704936  Galium nuttallii subsp. nuttallii Fred M. Roberts, David E. Bramlet 2004-4-21 6036 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Shady Canyon, tributary to Cristianitos Cyn., 0.65 km NW Sycamore Gate, 0.70 km W of Cristianitos Road. 148 Comment
  RSA708225  Plantago erecta Fred M. Roberts, Robert L. Allen, Chris Barnhill, Carol A. Roberts 2005-4-10 6168 Orange Costa Mesa: Fairview Park, west of north end of Canyon Drive, c.a. 0.2km WNW Marison Special Education Center (Canyon Sch. on topos). 24 Comment
  RSA708226  Microseris douglasii subsp. platycarpha Fred M. Roberts, Robert L. Allen, Chris M. Barnhill, Carol A. Roberts 2005-4-10 6167 Orange Costa Mesa: Fairview Park, west of north end of Canyon Drive, c.a. 0.2km WNW Marison Special Education Center (Canyon Sch. on topos). 24 Comment
  RSA708227  Polypogon monspeliensis Fred M. Roberts, Robert L. Allen, Chris Barnhill, Carol A. Roberts 2005-4-10 6166 Orange Costa Mesa: Fairview Park, west of north end of Canyon Drive, c.a. 0.2km WNW Marison Special Education Center (Canyon Sch. on topos). 24 Comment
  RSA708228  Eleocharis palustris Fred M. Roberts, Robert L. Allen, Chris Barnhill, Carol A. Roberts 2005-4-10 6164 Orange Costa Mesa: Fairview Park, west of north end of Canyon Drive, c.a. 0.2km WNW Marison Special Education Center (Canyon Sch. on topos). 24 Comment
  RSA708229  Veronica peregrina subsp. xalapensis Fred M. Roberts, Robert L. Allen, Chris Barnhill, Carol A. Roberts 2005-4-10 6161 Orange Costa Mesa: Fairview Park, west of north end of Canyon Drive, c.a. 0.2km WNW Marison Special Education Center (Canyon Sch. on topos). 24 Comment
  RSA708230  Phalaris paradoxa Fred M. Roberts, Robert L. Allen, Chris Barnhill, Carol A. Roberts 2005-4-10 6163 Orange Costa Mesa: Fairview Park, west of north end of Canyon Drive, c.a. 0.2km WNW Marison Special Education Center (Canyon Sch. on topos). 24 Comment
  RSA708231  Pilularia americana Fred M. Roberts, Robert L. Allen, Chris Barnhill, Carol A. Roberts 2005-4-10 6160 Orange Costa Mesa: Fairview Park, west of north end of Canyon Drive, c.a. 0.2km WNW Marison Special Education Center., (Canyon Sch. on topos). 24 Comment
  RSA708233  Hordeum marinum subsp. gussoneanum Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-4-10 6156 Orange Costa Mesa: Fairview Park, west of north end of Canyon Drive, c.a. 0.2km WNW Marison Special Education Center (Canyon Sch. on topos). 24 Comment
  RSA708234  Clarkia rhomboidea Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6236 Orange Modjeska Peak, west slope along summit road, 0.15km by air W summit. 1613 Comment
  RSA708236  Arrhenatherum elatius Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6235 Orange Modjeska Peak, west slope along summit road, 0.15km by air W summit. 1613 Comment
  RSA708237  Calochortus splendens Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6234 Orange Southwest arm of Modjeska Peak, 1.2km SW summit, Main Divide Rd. near jct. of road to summit. 1533 Comment
  RSA708238  Orobanche fasciculata Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6233 Orange Southwest arm of Modjeska Peak, 1.2km SW summit, Main Divide Rd. near jct. of road to summit. 1533 Comment
  RSA708363  Poa secunda subsp. secunda Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6233 Orange west slope of Modjeska Peak, Harding Canyon watershed, Main Divide Road, 0.46km W summit. 1670 Comment
  RSA708364  Polystichum imbricans subsp. curtum Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6228 Orange west slope of Modjeska Peak, Harding Canyon watershed, Main Divide Road, 0.46km W summit. 1670 Comment
  RSA708365  Castilleja martinii var. martinii Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6227 Orange west slope of Modjeska Peak, Harding Canyon watershed, Main Divide Road, 0.46km W summit. 1670 Comment
  RSA708371  Phacelia curvipes Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6239 Orange Modjeska Peak summit, c.a. 60m south of highest point. 1675 Comment
  RSA708523  Pellaea mucronata subsp. californica Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6240 Orange Modjeska Peak summit, c.a. 60m south of highest point. 1675 Comment
  RSA708524  Koeleria macrantha Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6242 Orange Modjeska Peak summit, c.a. 60m south of highest point. 1675 Comment
  RSA708526  Agoseris retrorsa Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6238 Orange Modjeska Peak, north slope along summit road, c.a. 50 meters NNW, by air, summit. 1643 Comment
  RSA708527  Viola purpurea Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6237 Orange Modjeska Peak, north slope along summit road, c.a. 50 meters NNW, by air, summit. 1643 Comment
  RSA708532  Nerium oleander Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6107 Orange Caspers Wilderness Park, San Juan Cyn., Old San Juan Hot Springs, c.a. 0.4km SW San Juan Ranger Station, north of SR 74. 214 Comment
  RSA708535  Tribulus terrestris Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6103 Orange Caspers Wilderness Park, Hot Springs Cyn., Hot Springs Trail, c.a. 0.16km WSW San Juan Ranger Station, north of SR 74. 212 Comment
  RSA708536  Heterotheca sessiliflora subsp. echioides Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6104 Orange Caspers Wilderness Park, Hot Springs Cyn., Hot Springs Trail, c.a. 0.16km WSW San Juan Ranger Station, north of SR 74. 212 Comment
  RSA708538  Bromus tectorum Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6218 Orange northwest slope of Modjeska Peak, Harding Canyon watershed, Main Divide Road, 0.61km NNW summit Modjeska Peak. 1407 Comment
  RSA708720  Alnus rhombifolia Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6121 Orange Caspers Wilderness Park, Hot Springs Creek in San Juan Cyn., c.a. 0.36km SSW San Juan Ranger Station, at SR 74 crossing. 197 Comment
  RSA708721  Phoenix dactylifera Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6115 Orange Caspers Wilderness Park, San Juan Cyn., Old San Juan Hot Springs, c.a. 0.4km SW San Juan Ranger Station, north of SR 74. 214 Comment
  RSA708723  Calystegia occidentalis subsp. fulcrata Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6225 Orange west slope of Modjeska Peak, Harding Canyon watershed, Main Divide Road, 0.46km W summit. 1670 Comment
  RSA708724  Madia gracilis Fred M. Roberts, Robert L. Allen, Chris M. Barnhill, Nancy Hatfield 2005-5-30 6224 Orange west slope of Modjeska Peak, Harding Canyon watershed, Main Divide Road, 0.46km W summit. 1670 Comment
  RSA708727  Ceanothus integerrimus var. puberulus Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6221 Orange northwest slope of Modjeska Peak, Harding Canyon watershed, Main Divide Road, 0.61km NNW summit Modjeska Peak. 1407 Comment
  RSA708732  Xanthium strumarium Fred M. Roberts, Robert L. Allen, Chris M. Barnhill 2004-8-21 6116 Orange Santa Ana Mountains; Casper Wilderness Park, San Juan Cyn., Old San Juan Hot Springs, ca. 0.4 km SW San Juan Ranger Station, N of SR 74. 214 Comment
  RSA708733  Ficus carica Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6118 Orange Caspers Wilderness Park, Hot Springs Creek in San Juan Cyn., c.a. 0.36km SSW San Juan Ranger Station, at SR 74 crossing. 197 Comment
  RSA708735  Mentha aquatica Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6120 Orange Caspers Wilderness Park, Hot Springs Creek in San Juan Cyn., c.a. 0.36km SSW San Juan Ranger Station, at SR 74 crossing. 197 Comment
  RSA708812  Elatine brachysperma Fred M. Roberts, Robert L. Allen, Chris Barnhill, Carol A. Roberts 2005-4-10 6165 Orange Costa Mesa: Fairview Park, west of north end of Canyon Drive, c.a. 0.2km WNW Marison Special Education Center (Canyon Sch. on topos). 24 Comment
  RSA708815  Castilleja martinii var. martinii Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6212 Orange Main Divide Road, ridge between Silverado and Bixby Canyons, coastal slope, 0.46km (air) S Bald Peak. 1203 Comment
  RSA708816  Allium peninsulare var. peninsulare Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6213 Orange Main Divide Road, ridge between Silverado and Bixby Canyons, coastal slope, 0.46km (air) S Bald Peak. 1203 Comment
  RSA708817  Vulpia microstachys var. pauciflora Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6215 Orange Main Divide Road, ridge between Silverado and Bixby Canyons, coastal slope, 0.46km (air) S Bald Peak. 1203 Comment
  RSA708818  Distichlis spicata Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6113 Orange Caspers Wilderness Park, San Juan Cyn., Old San Juan Hot Springs, c.a. 0.4km SW San Juan Ranger Station, north of SR 74. 214 Comment
  RSA708819  Cuscuta pentagona Fred M. Roberts, Robert L. Allen, Chris Barnhill, Carol A. Roberts 2005-4-10 6170 Orange Bolsa Chica Salt Marsh: along Pacific Coast Highway, trail NW of parking area, c.a. 2.2km SE jct. Warner Street and 1.6km SE Chica Bench Mark. 2 Comment
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Jan 2 2017
  RSA710404  Cyperus odoratus Fred M. Roberts 2005-10-3 6292 Orange San Juan Capistrano: San Juan Creek wash, La Novia Road Bridge to 100m E of bridge, 1.4km E Mission San Juan Capistrano, 27 Comment
  RSA710407  Cyperus odoratus Fred M. Roberts 2005-10-3 6295 Orange San Juan Capistrano: San Juan Creek wash, La Novia Road Bridge to 100m E of bridge, 1.4km E Mission San Juan Capistrano, 27 Comment
  RSA710412  Pluchea odorata Fred M. Roberts 2005-10-3 6300 Orange San Juan Capistrano: San Juan Creek wash, La Novia Road Bridge to 100m E of bridge, 1.4km E Mission San Juan Capistrano, 27 Comment
  RSA712936  Mimulus cardinalis Fred M. Roberts 2005-10-3 6291 Orange San Juan Capistrano: San Juan Creek wash, La Novia Road Bridge to 100m E of bridge, 1.4km E Mission San Juan Capistrano, 27 Comment
  RSA712937  Chenopodium ambrosioides Fred M. Roberts 2005-10-3 6302 Orange San Juan Capistrano: San Juan Creek wash, La Novia Road Bridge to 100m E of bridge, 1.4km E Mission San Juan Capistrano. 27 Comment
  RSA712941  Baccharis salicifolia Fred M. Roberts 2005-10-3 6306 Orange San Juan Capistrano: San Juan Creek wash, La Novia Road Bridge to 100m E of bridge, 1.4km E Mission San Juan Capistrano, 27 Comment
  RSA712943  Stephanomeria virgata subsp. virgata Fred M. Roberts, Robert L. Allen 2005-10-15 6308 Orange Upper Long Canyon along Main Divide Road, 3.1km E Los Pinos Peak and 0.3km N Old Dominion Mine. 981 Comment
  RSA712944  Ericameria parishii var. parishii Fred M. Roberts, Robert L. Allen 2005-10-15 6309 Orange Upper Long Canyon along Main Divide Road, 2.4km E Los Pinos Peak and 1.0km NE Falcon Group Camp. 1020 Comment
  RSA712945  Lagophylla ramosissima subsp. ramosissima Fred M. Roberts, Robert L. Allen 2005-10-15 6310 Orange entrance to Falcon Group Camp, 2.1km ESE Los Pinos Peak and 0.3km NE campground. 1008 Comment
  RSA715694  Aster subulatus var. ligulatus Fred M. Roberts, Chris M. Barnhill 2005-9-27 6275 A Orange San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4km E Mission San Juan Capistrano, 27 Comment
  RSA715697  Panicum capillare Fred M. Roberts, Chris M. Barnhill 2005-9-27 6278 Orange San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4km E Mission San Juan Capistrano, 27 Comment
  RSA715702  Trichostema lanceolatum Fred M. Roberts, Robert L. Allen 2005-10-15 6313 Orange Upper Long Canyon along Main Divide Road, 3.1km E Los Pinos Peak and 0.3km N Old Dominion Mine. 981 Comment
  RSA715705  Antirrhinum nuttallianum subsp. subsessile Fred M. Roberts, Robert L. Allen 2005-10-15 6316 Orange San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4km E Mission San Juan Capistrano, 27 Comment
  RSA716086  Robinia pseudoacacia Fred M. Roberts, Carol A. Roberts 2006-8-18 6399 Orange San Juan Capistrano: San Juan Hills, along I-5, 0.9km by road N Las Ramblas overpass and 3.0km SE Krum Reservoir. 34 Comment
  RSA716088  Aeonium Fred M. Roberts 2006-7-27 6397 Orange San Joaquin Hills: Laguna Beach, Temple Hill, 731 Nyes Place, 1.0km NNE Golf Island. 174 Comment
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Dec 21 2019
  RSA716089  Aeonium Fred M. Roberts 2006-7-27 6396 Orange San Joaquin Hills: Laguna Beach, Temple Hill, 731 Nyes Place, 1.0km NNE Golf Island. 174 Comment
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Dec 21 2019
  RSA716090  Verbesina dissita Fred M. Roberts 2006-7-27 6395 Orange San Joaquin Hills: Laguna Beach, Temple Hill, 731 Nyes Place, 1.0km NNE Golf Island. 174 Comment
  RSA716092  Centromadia parryi Fred M. Roberts 2006-7-5 6349 Orange Bolsa Chica Ecological Preseve: Bolsa Chica Mesa, 0.8km SSW Chica Survey Marker and 1.4km SE jct. Pacific Coast Hwy. & Warner Ae. 7 Comment
  RSA716093  Nolina cismontana Fred M. Roberts, Carol A. Roberts 2006-4-28 6323 Orange Mision Viejo: near Vista del Lago Dr., 0.9km NE jct. Vista del Lago and Los Alios Blvd., 1.7km NNW Lake Mission Viejo dam. 211 Comment
  RSA716095  Plagiobothrys collinus Fred M. Roberts, Melissa Ervin 2001-3-21 5386 Orange San Joaquin Hills: Upper San Canyon, c..a. 2km SE French Hill, within the Shady Cyn. Development. 98 Comment
  RSA716096  Plagiobothrys acanthocarpus Fred M. Roberts, Melissa Ervin 2001-3-21 5385 Orange San Joaquin Hills: Upper San Canyon, c..a. 2km SE French Hill, within the Shady Cyn. Development. 98 Comment
  RSA716498  Malva nicaeensis Fred M. Roberts 2005-5-13 6189 Orange San Juan Capistrano; Ortega Ranch Business Center site, between Rancho Viejo Rd. and I-5 freeway adjacent to Horno Creek; 0.6km NE Mission San Juan Capistrano. 54 Comment
  RSA716499  Ficus carica Fred M. Roberts, Amber Oneal 2004-8-18 6098 Orange San Juan Capistrno: Ortega Ranch Business Center site, between Rancho Viejo Rd. and I-5 freeway adjacent to Horno Creek; 0.6km NE Mission San Juan Capistrano. 54 Comment
  RSA716657  Lonicera japonica Fred M. Roberts 2005-5-13 6185 Orange San Juan Capistrano; Ortega Ranch Business Center site, between Rancho Viejo Rd. and I-5 freeway adjacent to Horno Creek; 0.6km NE Mission San Juan Capistrano. 54 Comment
  RSA716660  Centaurea solstitialis Fred M. Roberts, Michelle Balk, Robert Allen, Megan Enright 2004-7-18 6077 Orange Santa Ana Mtns.: San Jun Cyn., SR 74, north side of road, c.a. 4.6km E San Juan Guard Sttion by road. 393 Comment
  RSA716661  Atriplex suberecta Fred M. Roberts, Amber Oneal 2004-8-18 6094 Orange San Juan Capistrno: Ortega Ranch Business Center site, between Rancho Viejo Rd. and I-5 freeway adjacent to Horno Creek; 0.6km NE Mission San Juan Capistrano. 54 Comment
  RSA716662  Plumbago auriculata Fred M. Roberts, Amber Oneal 2004-8-18 6095 Orange San Juan Capistrno: Ortega Ranch Business Center site, between Rancho Viejo Rd. and I-5 freeway adjacent to Horno Creek; 0.6km NE Mission San Juan Capistrano. 54 Comment
  RSA716663  Anisodontea scabrosa Fred M. Roberts, Amber Oneal 2004-8-18 6097 Orange San Juan Capistrno: Ortega Ranch Business Center site, between Rancho Viejo Rd. and I-5 freeway adjacent to Horno Creek; 0.6km NE Mission San Juan Capistrano. 54 Comment
  RSA716664  Eriogonum parvifolium Fred M. Roberts 2004-7-10 6073 Orange Laguna Beach: Crescent Bay, at base of Twin Points. 3 Comment
  RSA716720  Eriogonum fasciculatum Fred M. Roberts 2004-6-16 6056 Orange San Joaquin Hills: Temple Hill, slopes above Hobo Cyn., adj. to 591 Balboa Ave.; 1.0km NNE Golf Island Survey Mark. 175 Comment
  RSA716728  Fraxinus Fred M. Roberts 2005-5-13 6186 Orange San Juan Capistrano; Ortega Ranch Business Center site, between Rancho Viejo Rd. and I-5 freeway adjacent to Horno Creek; 0.6km NE Mission San Juan Capistrano. 54 Comment
  RSA716729  Cuscuta subinclusa Fred M. Roberts 2004-8-21 6100 Orange Santa na Mtns.: Hot Springs Cyn., Hot Springs Cyn. Rd., c.a. 0.8km by road N jct. SR 74; 0.7km NNW Juan Rancho Survey Mark. 255 Comment
  RSA716730  Scirpus microcarpus Fred M. Roberts, David E. Bramlet 2004-11-5 6131 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, Gato Cyn., tributary to Cristianitos Cyn., 0.23km W Gato Gate. 102 Comment
  RSA716731  Cylindropuntia prolifera Fred M. Roberts, D. E. Bramlet 2004-11-5 6129 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Cristianitos Cyn., 0.79 km N Sycamore Gate and 0.18 km W Cristianitos Road. 146 Comment
  RSA716769  Lagunaria patersonia Fred M. Roberts, Chris M. Barnhill 2004-7-10 6074 Orange Laguna Beach: Heisler Park, 0.14km E Recreation Point just above beach. 619 Comment
  RSA716770  Mimulus clevelandii Fred M. Roberts, Michelle Balk, Robert Allen, Carol A. Roberts 2004-7-18 6075 Orange Santa Ana Mtns.: Upper Trabuco Cyn. along Trabuco Cyn. Trail, 1.3km NE Los Pinos Pk. and c.a. 0.25km by trail from Main Divide Truck Trail. 1245 Comment
  RSA716771  Quercus wislizeni Fred M. Roberts, Michelle Balk, Robert Allen, Carol Roberts 2004-7-18 6076 Orange Santa Ana Mtns.: Upper Trabuco Cyn. along Trabuco Cyn. Trail, 1.3km NE Los Pinos Pk. and c.a. 0.25km by trail from Main Divide Truck Trail. 1245 Comment
  RSA716773  Ceanothus papillosus var. roweanus Fred M. Roberts, Michelle Balk, Robert Allen, Chris Barnhill 2004-6-19 6064 Orange Snta Ana Mtns.: Holy Jim Cyn.: Holy Jim Trail, 2.0 km SE summit of Santiago Peak. 988 Comment
  RSA716774  Euphorbia peplus Fred M. Roberts, Michelle Balk, Robert Allen, Chris Barnhill 2004-6-19 6065 Orange Santa Ana Mtns: Holy Jim Cyn.: Holy Jim Trail, 3.5km SE summit of Santiago Peak. 610 Comment
  RSA716777  Atriplex californica Fred M. Roberts, Chris M. Barnhill 2004-7-10 6072 Orange Laguna Beach: Crescent Bay, at base of Twin Points. 3 Comment
  RSA716781  Boykinia rotundifolia Fred M. Roberts, Michelle Balk, Robert Allen, Chris Barnhill 2004-6-19 6061 Orange Santa Ana Mtns.: Holy Jim Cyn.: Holy Jim Falls along Holy Jim Trail, 3.0km SE summit of Santiago Peak. 658 Comment
  RSA716782  Dudleya lanceolata Fred M. Roberts, Michelle Balk, Robert Allen, Chris Barnhill 2004-6-19 6063 Orange Santa Ana Mtns.: Holy Jim Cyn.: Holy Jim Trail, 3.1km SE summit of Santiago Peak. 695 Comment
  RSA717042  Ludwigia peploides Fred M. Roberts, Chris M. Barnhill 2005-9-27 6285 Orange San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4km E Mission San Juan Capistrano. 27 Comment
  RSA717043  Datisca glomerata Fred M. Roberts, Chris M. Barnhill 2005-9-27 6286 Orange San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4km E Mission San Juan Capistrano. 27 Comment
  RSA717044  Lepidospartum squamatum Fred M. Roberts, Chris M. Barnhill 2005-9-27 6287 Orange San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4km E Mission San Juan Capistrano. 27 Comment
  RSA717047  Epilobium ciliatum Fred M. Roberts 2005-10-3 6290 Orange San Juan Capistrano: San Juan Creek, La Novia Road bridge to 100m E of bridge, 1.4km E Mission San Juan Capistrano. 27 Comment
  RSA717049  Atriplex prostrata Fred M. Roberts, Chris M. Barnhill 2005-9-27 6282 Orange San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4km E Mission San Juan Capistrano. 27 Comment
  RSA717155  Stachys rigida subsp. rigida Fred M. Roberts, Chris M. Barnhill 2005-9-27 6284 Orange San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4 km E Mission San Juan Capistrano. 27 Comment
  RSA717156  Polygonum lapathifolium Fred M. Roberts, Chris M. Barnhill 2005-9-27 6274 Orange San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4 km E Mission San Juan Capistrano. 27 Comment
  RSA717705  Malacothrix saxatilis Fred M. Roberts 2008-5-16 6978 Orange Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor. 45 Comment
  RSA718957  Nicotiana glauca Fred M. Roberts, Robert L. Allen 2006-10-8 6423 Orange San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch. 4 Comment
  RSA718958  Conyza bonariensis Fred M. Roberts, Robert L. Allen 2006-10-8 6422 Orange San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch. 4 Comment
  RSA718959  Conyza canadensis Fred M. Roberts, Robert L. Allen 2006-10-8 6421 Orange San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch. 4 Comment
  RSA718962  Oenothera elata Fred M. Roberts, Robert L. Allen 2006-10-8 6418 Orange San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch. 4 Comment
  RSA718965  Petunia parviflora Fred M. Roberts, Robert L. Allen 2006-10-8 6415 Orange San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 03.km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch. 4 Comment
  RSA718966  Cyperus odoratus Fred M. Roberts, Robert L. Allen 2006-10-8 6414 Orange San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch. 4 Comment
  RSA718967  Pulicaria paludosa Fred M. Roberts, Robert L. Allen 2006-10-8 6413 Orange San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch. 4 Comment
  RSA718968  Eclipta prostrata Fred M. Roberts, Robert L. Allen 2006-10-8 6412 Orange San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch. 4 Comment
  RSA718969  Gazania linearis Fred M. Roberts, Robert L. Allen 2006-10-8 6411 Orange San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch. 4 Comment
  RSA718970  Kickxia elatine Fred M. Roberts, Robert L. Allen 2006-10-8 6410 Orange San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch. 4 Comment
  RSA718971  Kickxia elatine Fred M. Roberts, Robert L. Allen 2006-10-8 6409 Orange San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch. 4 Comment
  RSA719403  Arundo donax Fred M. Roberts, Robert L. Allen 2006-10-8 6432 Orange San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch. 4 Comment
  RSA719404  Leptochloa fusca subsp. uninervia Fred M. Roberts, Robert L. Allen 2006-10-8 6431 Orange San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch. 4 Comment
  RSA719407  Typha latifolia Fred M. Roberts, Robert L. Allen 2006-10-8 6428 Orange San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch. 4 Comment
  RSA719409  Lobularia maritima Fred M. Roberts, Robert L. Allen 2006-10-8 6426 Orange San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch. 4 Comment
  RSA719412  Sorghum bicolor Fred M. Roberts, Robert L. Allen 2006-10-8 6433 Orange San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch. 4 Comment
  RSA719415  Argyranthemum foeniculaceum Fred M. Roberts, Lee Ann Caranza 2006-10-25 6451 Orange Dana Point Headlands south of Margarite Drive, 0.6km W Marine Institute and 1km SW Cook Sch. 58 Comment
  RSA719416  Artemisia californica Fred M. Roberts, Lee Ann Caranza 2006-10-25 6453 Orange Dana Point Headlands south of Margarite Drive, 0.6km W Marine Institute and 1km SW Cook Sch. 58 Comment
  RSA719418  Isocoma menziesii var. menziesii Fred M. Roberts, Lee Ann Caranza 2006-10-25 6458 Orange Dana Point Headlands south of Margarite Drive, 0.6km W Marine Institute and 1km SW Cook Sch. 58 Comment
  RSA719419  Stephanomeria exigua subsp. exigua Fred M. Roberts, Lee Ann Caranza 2006-10-25 6459 Orange Dana Point Headlands south of Margarite Drive, 0.6km W Marine Institute and 1km SW Cook Sch. 58 Comment
  RSA719420  Eriogonum parvifolium Fred M. Roberts, Lee Ann Caranza 2006-10-25 6457 Orange Dana Point Headlands south of Margarite Drive, 0.6km W Marine Institute and 1km SW Cook Sch. 58 Comment
  RSA719421  Baccharis pilularis Fred M. Roberts, Lee Ann Caranza 2006-10-25 6456 Orange Dana Point Headlands south of Margarite Drive, 0.6km W Marine Institute and 1km SW Cook Sch. 58 Comment
  RSA719422  Euphorbia misera Fred M. Roberts, Lee Ann Caranza 2006-10-25 6455 Orange Dana Point Headlands south of Margarite Drive, 0.6km W Marine Institute and 1km SW Cook Sch. 58 Comment
  RSA725459  Amaranthus blitoides Fred M. Roberts 2007-8-6 6558 Orange San Joaquin Hills: Laguna Beach, Laguna Cyn. on east side of Laguna Cyn. Rd. adj. to dog park, 1.2 km S (air) from El Toro Road and 1.8 km WSW Moulton Survey Mk. 52 Comment
  RSA725462  Ambrosia psilostachya Fred M. Roberts 2007-8-6 6555 Orange San Joaquin Hills: Laguna Beach, Laguna Cyn. on east side of Laguna Cyn. Rd. adj. to dog park, 1.2 km S (air) from El Toro Road and 1.8 km WSW Moulton Survey Mk. 52 Comment
  RSA725465  Nassella cernua Fred M. Roberts, Megan Lulow 2007-7-30 6577 Orange ridge where Gypsum, Blind, and Wier Canyons meet, 3.5 km E Robbers Peak, North Irvine Ranch Policy Area. 456 Comment
  RSA725466  Stachys rigida subsp. rigida Fred M. Roberts, Megan Lulow 2007-7-30 6552 Orange lower Fremont Canyon, 0.7 km NNE Irvine Lake spillway, North Irvine Ranch Policy Area. 212 Comment
  RSA725467  Chenopodium berlandieri var. sinuatum Fred M. Roberts, Megan Lulow 2007-7-30 6551 Orange Fremont Canyon, 1.3 km NE Irvine Lake spillway, North Irvine Ranch Policy Area. 253 Comment
  RSA725468  Cuscuta subinclusa Fred M. Roberts, Megan Lulow 2007-7-30 6550 Orange Fremont Canyon, 1.3 km NE Irvine Lake spillway, North Irvine Ranch Policy Area. 253 Comment
  RSA725469  Platanus racemosa Fred M. Roberts, Megan Lulow 2007-7-30 6549 Orange Fremont Canyon, 1.3 km NE Irvine Lake spillway, North Irvine Ranch Policy Area. 253 Comment
  RSA725470  Artemisia douglasiana Fred M. Roberts, Megan Lulow 2007-7-30 6548 Orange Fremont Canyon, 1.3 km NE Irvine Lake spillway, North Irvine Ranch Policy Area. 253 Comment
  RSA725471  Vitis girdiana Fred M. Roberts, Megan Lulow 2007-7-30 6547 Orange Fremont Canyon, 1.3 km NE Irvine Lake spillway, North Irvine Ranch Policy Area. 253 Comment
  RSA725473  Pulicaria paludosa Fred M. Roberts, Megan Lulow 2007-7-30 6545 Orange Fremont Canyon, 1.3 km NE Irvine Lake spillway, North Irvine Ranch Policy Area. 253 Comment
  RSA725474  Amorpha fruticosa Fred M. Roberts, Megan Lulow 2007-7-30 6544 Orange Fremont Canyon, 1.3 km NE Irvine Lake spillway, North Irvine Ranch Policy Area. 253 Comment
  RSA725506  Piptatherum miliaceum Fred M. Roberts 2007-9-11 6569 Orange Aliso Viejo: tributary to Aliso Creek on west side of Moulton Pkwy., 0.2 km N Aliso Viejo Pkwy., adj. to Kinder Care Learning Center. 83 Comment
  RSA725508  Salix laevigata Fred M. Roberts 2007-9-11 6566 Orange Aliso Viejo: tributary to Aliso Creek on west side of Moulton Pkwy., 0.2 km N Aliso Viejo Pkwy., adj. to Kinder Care Learning Center. 83 Comment
  RSA725509  Salix lasiolepis var. lasiolepis Fred M. Roberts 2007-9-11 6565 Orange Aliso Viejo: tributary to Aliso Creek on west side of Moulton Pkwy., 0.2 km N Aliso Viejo Pkwy., adj. to Kinder Care Learning Center. 83 Comment
  RSA725510  Koelreuteria bipinnata Fred M. Roberts 2007-9-11 6563 b Orange Aliso Viejo: tributary to Aliso Creek on west side of Moulton Pkwy., 0.2 km N Aliso Viejo Pkwy., adj. to Kinder Care Learning Center. 83 Comment
  RSA725511  Schinus terebinthifolius Fred M. Roberts 2007-9-11 6564 Orange Aliso Viejo: tributary to Aliso Creek on west side of Moulton Pkwy., 0.2 km N Aliso Viejo Pkwy., adj. to Kinder Care Learning Center. 83 Comment
  RSA725513  Cuscuta subinclusa Fred M. Roberts, Robert L. Allen 2007-9-28 6617 Orange Lomas de Santiago: above lower Santiago Cyn. wash along Santiago Cyn. Rd. just south of Irvine Mesa, 3.3 km N Bolero Lookout. 332 Comment
  RSA725514  Schinus molle Fred M. Roberts, Robert L. Allen 2007-9-28 6616 Orange Lomas de Santiago: above lower Santiago Cyn. wash along Santiago Cyn. Rd. just south of Irvine Mesa, 3.3 km N Bolero Lookout. 332 Comment
  RSA725517  Melia azedarach Fred M. Roberts, Robert L. Allen 2007-9-28 6613 Orange Lomas de Santiago: above lower Santiago Cyn. wash along Santiago Cyn. Rd. just south of Irvine Mesa, 3.3 km N Bolero Lookout. 332 Comment
  RSA725518  Hedera helix Fred M. Roberts, Robert L. Allen 2007-9-28 6612 Orange Lomas de Santiago: above lower Santiago Cyn. wash along Santiago Cyn. Rd. just south of Irvine Mesa, 3.3 km N Bolero Lookout. 332 Comment
  RSA725520  Araujia sericifera Fred M. Roberts, Robert L. Allen 2007-9-28 6604 Orange Santa Ana Mtns.: Silverado Cyn., along Silverado Cyn. Rd. at eastern edge of town of Silverado. 347 Comment
  RSA725522  Alnus rhombifolia Fred M. Roberts, Robert L. Allen 2007-9-28 6602 Orange Santa Ana Mtns.: Silverado Cyn., along Silverado Cyn. Rd. at eastern edge of town of Silverado. 347 Comment
  RSA725523  Mentha spicata var. spicata Fred M. Roberts, Robert L. Allen 2007-9-28 6601 Orange Santa Ana Mtns.: Silverado Cyn., along Silverado Cyn. Rd. at eastern edge of town of Silverado. 347 Comment
  RSA725525  Ailanthus altissima Fred M. Roberts, Robert L. Allen 2007-9-28 6599 Orange Foothill Trabuco area: Upper Aliso Creek at SE corner of El Toro Road and Valle Vista Way, c.a. 1.8 km NE Upper Oso Reservoir. 308 Comment
  RSA725526  Leptochloa fusca subsp. uninervia Fred M. Roberts 2007-9-11 6576 Orange San Juan Capistrano: San Juan Creek at the confluence with Trabuco Creek. 17 Comment
  RSA725528  Cyperus esculentus Fred M. Roberts 2007-9-11 6573 Orange Aliso Viejo: tributary to Aliso Creek on west side of Moulton Pkwy., 0.2 km N Aliso Viejo Pkwy., adj. to Kinder Care Learning Center. 83 Comment
  RSA725529  Cyperus esculentus Fred M. Roberts 2007-9-11 6573 Orange Aliso Viejo: tributary to Aliso Creek on west side of Moulton Pkwy., 0.2 km N Aliso Viejo Pkwy., adj. to Kinder Care Learning Center. 83 Comment
  RSA725530  Fraxinus uhdei Fred M. Roberts 2007-9-11 6574 Orange Aliso Viejo: tributary to Aliso Creek on west side of Moulton Pkwy., 0.2 km N Aliso Viejo Pkwy., adj. to Kinder Care Learning Center. 83 Comment
  RSA725533  Platanus X acerifolia Fred M. Roberts 2007-9-11 6567 Orange Aliso Viejo: tributary to Aliso Creek on west side of Moulton Pkwy., 0.2 km N Aliso Viejo Pkwy., adj. to Kinder Care Learning Center. 83 Comment
  RSA725534  Populus Fred M. Roberts 2007-9-11 6570 Orange Aliso Viejo: tributary to Aliso Creek on west side of Moulton Pkwy., 0.2 km N Aliso Viejo Pkwy., adj. to Kinder Care Learning Center. 83 Comment
  RSA725537  Parthenocissus inserta Fred M. Roberts, Robert L. Allen 2007-9-28 6609 Orange Santa Ana Mtns.: Silverado Cyn., along Silverado Cyn. Rd. at eastern edge of town of Silverado. 347 Comment
  RSA725540  Piptatherum miliaceum Fred M. Roberts, Robert L. Allen 2007-9-28 6606 Orange Santa Ana Mtns.: Silverado Cyn., along Silverado Cyn. Rd. at eastern edge of town of Silverado. 347 Comment
  RSA725573  Antirrhinum multiflorum Fred M. Roberts, Robert L. Allen, Trish Smith 2007-6-15 6528 Orange dirt road along ridge between Black Star and Fremont Canyons, 4.4km ENE Irvine Lake spillway and 2.4km WSW Hidden Ranch. 662 Comment
  RSA725574  Helianthus gracilentus Fred M. Roberts, Robert L. Allen, Trish Smith 2007-6-15 6531 Orange dirt road along ridge between Black Star and Fremont Canyons, 4.4km ENE Irvine Lake spillway and 2.4km WSW Hidden Ranch. 662 Comment
  RSA725575  Holodiscus microphyllus Fred M. Roberts, Robert L. Allen, Trish Smith 2007-6-15 6539 Orange Upper Fremont Canyon, 5.3 km ENE Irvine Lake Spillway and 1.6 km W Hidden Ranch. 738 Comment
  RSA725577  Calochortus weedii var. intermedius Fred M. Roberts, Robert L. Allen, Trish Smith 2007-6-15 6537 Orange Upper Fremont Canyon, 5.2km ENE Irvine Lake Spillway and 2.0km WNW Hidden Ranch. 673 Comment
  RSA725578  Scrophularia californica subsp. floribunda Fred M. Roberts, Robert L. Allen, Trish Smith 2007-6-15 6536 Orange Along dirt road on ridge between Fremont and Black Star Cyns., 5.2km ENE Irvine Lake Spillway and 1.7km W Hidden Ranch. 739 Comment
  RSA725582  Nolina cismontana Fred M. Roberts, Robert L. Allen, Trish Smith 2007-6-15 6532 Orange dirt road along ridge between Black Star and Fremont Canyons, 4.4km ENE Irvine Lake spillway and 2.4km WSW Hidden Ranch. 662 Comment
  RSA725584  Antirrhinum nuttallianum subsp. nuttallianum Fred M. Roberts, Robert L. Allen, Trish Smith 2007-6-15 6529 Orange dirt road along ridge between Black Star and Fremont Canyons, 4.4km ENE Irvine Lake spillway and 2.4km WSW Hidden Ranch. 662 Comment
  RSA725585  Umbellularia californica Fred M. Roberts, Megan Lulow 2007-7-30 6542 Orange Fremont Canyon, 1.3 km NE Irvine Lake spillway, North Irvine Ranch Policy Area. 253 Comment
  RSA725586  Amaranthus deflexus Fred M. Roberts 2007-8-6 6699 Orange San Joaquin Hills: Laguna Beach, Laguna Cyn. on east side of Laguna Cyn. Rd. adj. to dog park, 1.2 km S (air) from El Toro Road and 1.8 km WSW Moulton Survey Mk. 52 Comment
  RSA725588  Bromus catharticus Fred M. Roberts 2007-8-6 6560 Orange San Joaquin Hills: Laguna Beach, Laguna Cyn. on east side of Laguna Cyn. Rd. adj. to dog park, 1.2 km S (air) from El Toro Road and 1.8 km WSW Moulton Survey Mk. 52 Comment
  RSA730987  Conyza bonariensis Fred M. Roberts 2006-11-15 6461 Orange Santa Ana Cyn., 1.0 km ENE Imperial Hwy bridge, between La Palma Ave. and Santa Ana River near Big Springs St. 89 Comment
  RSA730988  Bidens pilosa var. pilosa Fred M. Roberts 2006-11-15 6462 Orange Santa Ana Cyn., 1.0 km ENE Imperial Hwy bridge, between La Palma Ave. and Santa Ana River near Big Springs St. 89 Comment
  RSA730989  Eragrostis mexicana subsp. virescens Fred M. Roberts 2006-11-15 6463 Orange Santa Ana Cyn., 1.0 km ENE Imperial Hwy bridge, between La Palma Ave. and Santa Ana River near Big Springs St. 89 Comment
  RSA730990  Plantago lanceolata Fred M. Roberts 2006-11-15 6464 Orange Santa Ana Cyn., 1.0 km ENE Imperial Hwy bridge, between La Palma Ave. and Santa Ana River near Big Springs St. 89 Comment
  RSA730991  Polygonum punctatum Fred M. Roberts 2006-11-15 6465 Orange Santa Ana Cyn., Santa Ana River, north bank, 1.1 km ENE Imperial Hwy crossing. 85 Comment
  RSA730992  Bidens laevis Fred M. Roberts 2006-11-15 6466 Orange Santa Ana Cyn., Santa Ana River, north bank, 1.1 km ENE Imperial Hwy crossing. 85 Comment
  RSA730993  Barbarea orthoceras Fred M. Roberts 2006-11-15 6467 Orange Santa Ana Cyn., Santa Ana RIver, north bank, 1.1 km ENE Imperial Hwy crossing. At river s edge at base of cement bank on sandy soil in narrow riparian herb community. 85 Comment
  RSA730995  Rumex maritimus Fred M. Roberts 2006-11-15 6469 Orange Santa Ana Cyn., Santa Ana River, north bank, 1.1 km ENE Imperial Hwy crossing. 85 Comment
  RSA730996  Melilotus albus Fred M. Roberts 2006-11-15 6470 Orange Santa Ana Cyn., Santa Ana River, north bank, 1.1 km ENE Imperial Hwy crossing. 85 Comment
  RSA730998  Pinus halepensis Fred M. Roberts 2007-1-19 6500 Orange Beek s Place along Main Divide Rd., 4.1 km NW Pleasant Peak. 852 Comment
  RSA730999  Cupressus forbesii Fred M. Roberts, B. Allen, D. Olsen 2007-1-19 6502 Orange Beek s Place along Main Divide Rd., 4.1 km NW Pleasant Peak. 852 Comment
  RSA731000  Pinus sabiniana Fred M. Roberts, B. Allen, D. Olsen 2007-1-19 6501 Orange Beek s Place along Main Divide Rd., 4.1 km NW Pleasant Peak. 852 Comment
  RSA731001  Cedrus deodara Fred M. Roberts, B. Allen, D. Olsen 2007-1-19 6504 Orange Beek s Place along Main Divide Rd., 4.1 km NW Pleasant Peak. 852 Comment
  RSA731004  Rhus ovata Fred M. Roberts, B. Allen, D. Olsen 2007-1-19 6506 Orange Beek s Place along Main Divide Rd., 4.1 km NW Pleasant Peak. Abandoned homestead with persistant conifer plantings, some species spreading into surrounding chaparral. 852 Comment
  RSA731007  Pinus sabiniana Fred M. Roberts, B. Allen, D. Olsen 2007-1-19 6499 Orange near Black Star Cyn. Rd. Upper Fremont Cyn. near mountain divide, 0.9 km ENE Horseshoe Spring and 0.1 km WSW Beek s Place. (4.1 km NW Pleasants Pk). West-facing slope on sandy, rocky soils in chaparral. 840 Comment
  RSA731318  Festuca californica Fred M. Roberts, Robt. Allen, Chris M. Barnhill, Nancy Hatfield 2005-5-30 6230 Orange west slope of Modjeska Peak, Harding Canyon watershed, Main Divide Road, 0.46 km W summit. West-facing slope in loose rocky tallus, full sun, and chaparral borders. 1670 Comment
  RSA731637  Pittosporum undulatum Fred M. Roberts 2007-10-29 6618 Orange Niguel Hill: Laguna Niguel, Seaview Park, 1.3 km ENE Aliso Peak. 265 Comment
  RSA731648  Cortaderia selloana Fred M. Roberts 2007-10-29 6631 Orange Laguna Beach: Temple Hill, Nyes Place, c.a. 0.2 km S Moulton Meadows Park. 232 Comment
  RSA731652  Kyllinga brevifolia Fred M. Roberts 2007-10-29 6627 Orange Laguna Beach: Temple Hill, Nyes Place, c.a. 0.2 km S Moulton Meadows Park. 232 Comment
  RSA731656  Limonium ramosissimum Fred M. Roberts 2007-10-29 6623 Orange Niguel Hill: Laguna Niguel, Seaview Park, 1.3 km ENE Aliso Peak. 265 Comment
  RSA731658  Gnaphalium luteoalbum Fred M. Roberts 2007-10-29 6621 Orange Niguel Hill: Laguna Niguel, Seaview Park, 1.3 km ENE Aliso Peak. 265 Comment
  RSA731659  Baccharis pilularis Fred M. Roberts 2007-10-29 6620 Orange Niguel Hill: Laguna Niguel, Seaview Park, 1.3 km ENE Aliso Peak. 265 Comment
  RSA731750  Atriplex suberecta Fred M. Roberts 2007-11-9 6655 Orange San Juan Canyon along San Juan Creek, about 0.6 km E San Diego FWY. 24 Comment
  RSA731751  Amaranthus albus Fred M. Roberts 2007-11-9 6653 Orange San Juan Canyon along San Juan Creek, about 0.6 km E San Diego FWY. 24 Comment
  RSA731753  Capsella bursa-pastoris Fred M. Roberts 2007-11-9 6652 Orange San Juan Canyon along San Juan Creek, about 0.6 km E San Diego FWY. 24 Comment
  RSA731754  Echinochloa colona Fred M. Roberts 2007-11-9 6651 Orange San Juan Canyon along San Juan Creek, about 0.6 km E San Diego FWY. 24 Comment
  RSA731755  Platanus racemosa Fred M. Roberts, Sandy Leatherman 2007-11-9 6650 Orange San Juan Canyon along San Juan Creek, within the community of San Juan Hot Springs. 216 Comment
  RSA731758  Bougainvillea glabra Fred M. Roberts, Sandy Leatherman 2007-11-9 6647 Orange San Juan Canyon along San Juan Creek, within the community of San Juan Hot Springs. 216 Comment
  RSA731761  Typha domingensis Fred M. Roberts, Sandy Leatherman 2007-11-9 6643 Orange San Juan Canyon along San Juan Creek. 0.2 km E communiy of San Juan Hot Springs. 222 Comment
  RSA731797  Castilleja minor subsp. spiralis Fred M. Roberts, Sandy Leatherman 2007-11-9 6640 Orange Santa Ana Mtns.: San Juan Canyon along San Juan Creek, 0.2km E community of San Juan Hot Springs. 222 Comment
  RSA731800  Cyperus involucratus Fred M. Roberts, Sandy Leatherman 2007-11-9 6641 Orange Santa Ana Mtns.: San Juan Canyon along San Juan Creek, 0.2km E community of San Juan Hot Springs. 222 Comment
  RSA731801  Cyperus involucratus Fred M. Roberts, Sandy Leatherman 2007-11-9 6641 Orange Santa Ana Mtns.: San Juan Canyon along San Juan Creek, 0.2km E community of San Juan Hot Springs. 222 Comment
  RSA731803  Cupressus arizonica subsp. arizonica Fred M. Roberts, Robert L. Allen, Jerod Consedine 2007-11-1 6636 Orange Lomas de Santiago: Limestone Cyn. at jct. of Limestone Cyn. and Cactus Cyn. Rds., 2.2km NW Bolero Lookout. Irvine Ranch Conservancy. 374 Comment
  RSA731907  Polygonum lapathifolium Fred M. Roberts, Sandy Leatherman 2007-11-27 6672 Orange Yorba Linda: Santa Ana Canyon, Santa Ana River wash, S of E La Palma Road near Via Lomas de Yorba Linda, about 0.6 km W Gypsum Cyn. bridge. 113 Comment
  RSA731912  Tamarix ramosissima Fred M. Roberts, Sandra Leatherman 2007-11-27 6667 Orange Anaheim: Santa Ana River, Santa Ana Canyon, just west of Horseshoe Bend on S side of E La Palma Ave., about 0.3km E Weir Cyn. Rd. bridge. 100 Comment
  RSA731915  Schoenoplectus americanus Fred M. Roberts, Sandy Leatherman 2007-11-27 6664 Orange Anaheim: Santa Ana River, Santa Ana Canyon, just west of Horseshoe Bend on S side of E La Palma Ave., about 0.3km E Weir Cyn. Rd. bridge. 100 Comment
  RSA731916  Juncus balticus var. balticus Fred M. Roberts, Sandy Leatherman 2007-11-27 6663 Orange Anaheim: Santa Ana River, Santa Ana Canyon, just west of Horseshoe Bend on S side of E La Palma Ave., about 0.3km E Weir Cyn. Rd. bridge. 100 Comment
  RSA731917  Salix lasiolepis var. lasiolepis Fred M. Roberts, Sandra Leatherman 2007-11-27 6662 Orange Anaheim: Santa Ana River, Santa Ana Canyon, just west of Horseshoe Bend on S side of E La Palma Ave., about 0.3km E Weir Cyn. Rd. bridge. 100 Comment
  RSA731918  Populus fremontii subsp. fremontii Fred M. Roberts, Sandra Leatherman 2007-11-27 6661 Orange Anaheim: Santa Ana River, Santa Ana Canyon, just west of Horseshoe Bend on S side of E La Palma Ave., about 0.3km E Weir Cyn. Rd. bridge. 100 Comment
  RSA731919  Baccharis pilularis Fred M. Roberts, Sandy Leatherman 2007-11-27 6660 Orange Anaheim: Santa Ana River, Santa Ana Canyon, just west of Horseshoe Bend on S side of E La Palma Ave., about 0.3km E Weir Cyn. Rd. bridge. 100 Comment
  RSA731920  Baccharis pilularis Fred M. Roberts, Sandy Leatherman 2007-11-27 6659 Orange Anaheim: Santa Ana River, Santa Ana Canyon, just west of Horseshoe Bend on S side of E La Palma Ave., about 0.3km E Weir Cyn. Rd. bridge. 100 Comment
  RSA731921  Baccharis emoryi Fred M. Roberts, Sandy Leatherman 2007-11-27 6658 Orange Anaheim: Santa Ana River, Santa Ana Canyon, just west of Horseshoe Bend on S side of E La Palma Ave., about 0.3km E Weir Cyn. Rd. bridge. 100 Comment
  RSA731923  Polypogon viridis Fred M. Roberts, Sandy Leatherman 2007-11-27 6687 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd. 118 Comment
  RSA731924  Setaria adhaerens Fred M. Roberts, Sandy Leatherman 2007-11-27 6686 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd. 118 Comment
  RSA731927  Chenopodium album Fred M. Roberts, Sandy Leatherman 2007-11-27 6683 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd. 118 Comment
  RSA731929  Euphorbia peplus Fred M. Roberts, Sandy Leatherman 2007-11-27 6681 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd. 118 Comment
  RSA731930  Veronica anagallis-aquatica Fred M. Roberts, Sandra Leatherman 2007-11-27 6680 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. c.a. 0.3km S Fairmont Blvd. 118 Comment
  RSA731932  Physalis philadelphica Fred M. Roberts, Sandra Leatherman 2007-11-27 6678 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. c.a. 0.3km S Fairmont Blvd. 118 Comment
  RSA731933  Epilobium ciliatum subsp. watsonii Fred M. Roberts, Sandy Leatherman 2007-11-27 6677 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd. 118 Comment
  RSA731935  Salix exigua Fred M. Roberts, Sandra Leatherman 2007-11-27 6675 Orange Yorba Linda: Santa Ana Canyon, Santa Ana River wash, S of E La Palma Road near Via Lomas de Yorba Linda, about 0.6 km W Gypsum Cyn. bridge. 113 Comment
  RSA731936  Senna Fred M. Roberts, Sandra Leatherman 2007-11-27 6674 Orange Yorba Linda: Santa Ana Canyon, Santa Ana River wash, S of E La Palma Road near Via Lomas de Yorba Linda, about 0.6 km W Gypsum Cyn. bridge. 113 Comment
  RSA731938  Digitaria ciliaris Fred M. Roberts, Sandy Leatherman 2007-11-27 6697 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd. 118 Comment
  RSA731939  Senecio vulgaris Fred M. Roberts, Sandy Leatherman 2007-11-27 6696 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd. 118 Comment
  RSA731940  Lepidium didymum Fred M. Roberts, Sandy Leatherman 2007-11-27 6695 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd. 118 Comment
  RSA731943  Poa annua Fred M. Roberts, Sandy Leatherman 2007-11-27 6692 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd. 118 Comment
  RSA731945  Lobularia maritima Fred M. Roberts, Sandy Leatherman 2007-11-27 6690 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd. 118 Comment
  RSA731946  Polygonum lapathifolium Fred M. Roberts, Sandy Leatherman 2007-11-27 6689 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. c.a. 0.3km S Fairmont Blvd. 118 Comment
  RSA731948  Marsilea vestita subsp. vestita Fred M. Roberts, Carol A. Roberts 1991-5-22 4800 Orange San Joaquin Hills: Upper Laguna Cyn., Upper Laguna Lake, c.a. 3.6km N by road of El Toro Rd. & 5km ENE Signal Peak. 118 Comment
  RSA731949  Elatine californica Fred M. Roberts, Carol A. Roberts 1991-5-22 4801 Orange San Joaquin Hills: Upper Laguna Cyn., Upper Laguna Lake, c.a. 3.6km N by road of El Toro Rd. & 5km ENE Signal Peak. 118 Comment
  RSA731951  Baccharis salicifolia Fred M. Roberts 2007-12-12 6707 Orange Santa Ana Canyon: Santa Ana River, south of Green River Golf course on south side of river, 0.4km E Coal Cyn. Rd. and 0.7km W Riverside Co. line. 129 Comment
  RSA731952  Chenopodium ambrosioides Fred M. Roberts 2007-12-12 6706 Orange Santa Ana Canyon: Santa Ana River, south of Green River Golf course on south side of river, 0.4km E Coal Cyn. Rd. and 0.7km W Riverside Co. line. 129 Comment
  RSA731953  Ludwigia peploides subsp. peploides Fred M. Roberts 2007-12-12 6705 Orange Santa Ana Canyon: Santa Ana River, south of Green River Golf course on south side of river, 0.4km E Coal Cyn. Rd. and 0.7km W Riverside Co. line. 129 Comment
  RSA731954  Artemisia dracunculoides Fred M. Roberts 2007-12-12 6704 Orange Santa Ana Canyon: Santa Ana River, south of Green River Golf course on south side of river, 0.4km E Coal Cyn. Rd. and 0.7km W Riverside Co. line. 129 Comment
  RSA731957  Populus fremontii subsp. fremontii Fred M. Roberts 2007-12-12 6700 Orange Santa Ana Canyon: Santa Ana River, south of Green River Golf course on south side of river, 0.4km E Coal Cyn. Rd. and 0.7km W Riverside Co. line. 129 Comment
  RSA737479  Camissonia cheiranthifolia subsp. suffruticosa Fred M. Roberts 2008-3-12 6737 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA737480  Aphanisma blitoides Fred M. Roberts 2008-3-12 6736 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA737481  Aloe saponaria Fred M. Roberts 2008-3-12 6735 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA737483  Medicago polymorpha Fred M. Roberts 2008-3-12 6733 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA737532  Stellaria media Fred M. Roberts 2008-3-12 6730 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA737533  Lotus scoparius var. scoparius Fred M. Roberts 2008-3-12 6729 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA737535  Lotus strigosus var. strigosus Fred M. Roberts 2008-3-12 6727 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA737536  Lupinus truncatus Fred M. Roberts 2008-3-12 6726 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA737538  Bromus diandrus Fred M. Roberts 2008-3-12 6724 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA737539  Marah macrocarpa Fred M. Roberts 2008-3-12 6723 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA737540  Eriogonum fasciculatum var. fasciculatum Fred M. Roberts 2008-3-12 6721 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA737542  Senecio californicus Fred M. Roberts 2008-3-12 6719 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA737543  Dichelostemma capitatum subsp. capitatum Fred M. Roberts 2008-3-12 6718 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA737545  Cryptantha intermedia Fred M. Roberts 2008-3-12 6716 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA737546  Bromus rubens Fred M. Roberts 2008-3-12 6715 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA737548  Lamarckia aurea Fred M. Roberts 2008-3-12 6713 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA737549  Mirabilis laevis var. crassifolia Fred M. Roberts 2008-3-12 6712 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA737550  Oxalis pes-caprae Fred M. Roberts 2008-3-12 6738 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA743371  Raphanus sativus Fred M. Roberts 2008-4-2 6841 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor). 75 Comment
  RSA743372  Chorizanthe procumbens Fred M. Roberts 2008-4-2 6842 Orange Dana Point: Dana Point Headlands, CNLM Preserve south of NE Gate, 0.5 km W Marine Institute (Dana Point Harbor). 45 Comment
  RSA743373  Filago californica Fred M. Roberts 2008-4-9 6853 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor). 52 Comment
  RSA743374  Vulpia myuros var. myuros Fred M. Roberts 2008-4-9 6854 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor). 52 Comment
  RSA743375  Cryptantha clevelandii Fred M. Roberts 2008-4-9 6855 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor). 52 Comment
  RSA743376  Stylocline gnaphaloides Fred M. Roberts 2008-4-9 6856 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor). 52 Comment
  RSA743378  Polygonum aviculare Fred M. Roberts 2008-4-9 6858 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor). 52 Comment
  RSA743379  Senecio vulgaris Fred M. Roberts 2008-4-9 6859 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor). 52 Comment
  RSA743380  Calandrinia ciliata Fred M. Roberts 2008-4-9 6860 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor). 52 Comment
  RSA743381  Solanum americanum Fred M. Roberts 2008-5-27 7000 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor). 75 Comment
  RSA743383  Asparagus asparagoides Fred M. Roberts 2008-5-27 7002 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor). 75 Comment
  RSA743384  Hypochaeris glabra Fred M. Roberts 2008-5-27 7008 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5 km W Marine Institute (Dana Point Harbor). 75 Comment
  RSA743387  Stephanomeria exigua subsp. exigua Fred M. Roberts 2008-7-10 7065 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 65 Comment
  RSA743453  Atriplex californica Fred M. Roberts 2008-7-10 7073 Orange Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor. 45 Comment
  RSA743454  Dudleya lanceolata Fred M. Roberts 2008-7-10 7074 Orange Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor. 45 Comment
  RSA743460  Malacothrix saxatilis var. saxatilis Fred M. Roberts 2008-7-10 7068 Orange Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor. 45 Comment
  RSA743461  Salsola tragus Fred M. Roberts 2008-7-10 7069 Orange Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor. 45 Comment
  RSA743462  Atriplex semibaccata Fred M. Roberts 2008-7-10 7070 Orange Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor. 45 Comment
  RSA743463  Polycarpon tetraphyllum Fred M. Roberts 2008-7-10 7071 Orange Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor. 45 Comment
  RSA743464  Lycium californicum Fred M. Roberts 2008-5-27 7010 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor). 45 Comment
  RSA743467  Rhaphiolepis indica Fred M. Roberts, Carol A. Roberts 2008-9-28 7116 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 65 Comment
  RSA743469  Malephora crocea Fred M. Roberts, Lee Ann Carranza, Jeff Roseler 2008-10-9 7126 Orange Dana Point: Dana Point Headlands, CNLM Preserve, at base of cliff along south edge, 0.7 km W Marine Institute (Dana Point Harbor). 3 Comment
  RSA743475  Cylindropuntia prolifera Fred M. Roberts, Carol A. Roberts 2008-9-28 7117 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 65 Comment
  RSA743476  Atriplex lentiformis subsp. lentiformis Fred M. Roberts, Carol A. Roberts 2008-9-28 7112 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor). 75 Comment
  RSA743494  Antirrhinum nuttallianum subsp. subsessile Fred M. Roberts 2008-3-19 6784 Orange Dana Point: Dana Point Headlands, CNLM Preserve, 0.8km W Marine Institute, Dana Point Harbor. 45 Comment
  RSA743497  Stellaria media Fred M. Roberts 2008-3-19 6780 Orange Dana Point: Dana Point Headlands, CNLM Preserve, 0.8km W Marine Institute, Dana Point Harbor. 45 Comment
  RSA743498  Atriplex semibaccata Fred M. Roberts 2008-7-10 7070 Orange Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor. 45 Comment
  RSA743500  Quercus dumosa Fred M. Roberts 2008-9-10 7097 Orange Dana Point: Dana Point Headlands, CNLM Preserve, north of Marguerita Drive, 0.5 km WNW Marine Institute, Dana Point Harbor. 75 Comment
  RSA743501  Hirschfeldia incana Fred M. Roberts 2008-7-10 7077 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 65 Comment
  RSA743511  Amblyopappus pusillus Fred M. Roberts 2008-4-9 6862 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor). 45 Comment
  RSA743512  Mesembryanthemum crystallinum Fred M. Roberts 2008-4-9 6864 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor). 45 Comment
  RSA743514  Nassella lepida Fred M. Roberts 2008-4-9 6865 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor). 52 Comment
  RSA743515  Castilleja exserta subsp. exserta Fred M. Roberts 2008-4-9 6866 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor). 52 Comment
  RSA743516  Melica imperfecta Fred M. Roberts 2008-4-9 6883 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor). 52 Comment
  RSA743518  Isocoma menziesii var. vernonioides Fred M. Roberts, Carol A. Roberts 2008-9-28 7114 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5 km W Marine Institute (Dana Point Harbor). 75 Comment
  RSA743520  Conyza coulteri Fred M. Roberts, Carol A. Roberts 2008-9-28 7111 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5 km W Marine Institute (Dana Point Harbor). 75 Comment
  RSA743521  Conyza canadensis Fred M. Roberts, Carol A. Roberts 2008-9-28 7113 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5 km W Marine Institute (Dana Point Harbor). 75 Comment
  RSA747590  Medicago truncatula Fred M. Roberts 2000-5-5 5318 Orange Lomas de Santiago: Loma Ridge, Agua Chinon Cyn., north slope, 1.6 kmSSW Bolero Spr. and 2.6 km W Bolero Lookout. 308 Comment
  RSA747591  Chenopodium californicum Fred M. Roberts 2000-5-5 5319 Orange Lomas de Santiago: Loma Ridge, Agua Chinon Cyn., north slope, 1.6 kmSSW Bolero Spr. and 2.6 km W Bolero Lookout. 308 Comment
  RSA747593  Erodium cicutarium Fred M. Roberts 2000-5-5 5321 Orange Lomas de Santiago: Loma Ridge, Agua Chinon Cyn., north slope, 1.6 kmSSW Bolero Spr. and 2.6 km W Bolero Lookout. 308 Comment
  RSA747594  Dudleya multicaulis Fred M. Roberts 2000-5-19 5327 Orange Lomas de Santiago: Loma Ridge, ridge west of Bee Peak above Bee Cyn. landfill, 0.2 km W Bee Peak. 500 Comment
  RSA747597  Castilleja affinis subsp. affinis Fred M. Roberts 2000-5-19 5330 Orange Lomas de Santiago: Loma Ridge, ridge west of Bee Peak above Bee Cyn. landfill, 0.2 km W Bee Peak. 500 Comment
  RSA747598  Sanicula arguta Fred M. Roberts 2000-5-19 5331 Orange Lomas de Santiago: Loma Ridge, ridge west of Bee Peak above Bee Cyn. landfill, 0.2 km W Bee Peak. 500 Comment
  RSA747605  Lupinus bicolor Fred M. Roberts 2000-4-27 5305 Orange Lomas de Santiago: Lomas Ridge, Agua Chinon Wash, 1.5 km S Bolero Spr. and 2.1 km WSW Bolero Lookout. 281 Comment
  RSA747606  Calochortus catalinae Fred M. Roberts 2000-5-4 5313 Orange Lomas de Santiago: Loma Ridge, Hicks Cyn., west of SR 241, 1.9 km E Rattlesnake Reservoir dam and 2.1 km WSW Bee Peak. 210 Comment
  RSA747608  Sisyrinchium bellum Fred M. Roberts 2000-5-4 5315 Orange Lomas de Santiago: Loma Ridge, Hicks Cyn., west of SR 241, 1.9 km E Rattlesnake Reservoir dam and 2.1 km WSW Bee Peak. 210 Comment
  RSA747609  Brachypodium distachyon Fred M. Roberts 2000-5-4 5316 Orange Lomas de Santiago: Loma Ridge, Hicks Cyn., west of SR 241, 1.9 km E Rattlesnake Reservoir dam and 2.1 km WSW Bee Peak. 210 Comment
  RSA747612  Calochortus catalinae Fred M. Roberts 2000-4-27 5302 Orange Lomas de Santiago: Lomas Ridge, Agua Chinon Wash, 1.5 km S Bolero Spr. and 2.1 km WSW Bolero Lookout. 281 Comment
  RSA747613  Trifolium hirtum Fred M. Roberts 2000-4-27 5303 Orange Lomas de Santiago: Lomas Ridge, Agua Chinon Wash, 1.5 km S Bolero Spr. and 2.1 km WSW Bolero Lookout. 281 Comment
  RSA747622  Platystemon californicus Fred M. Roberts 2008-4-16 6910 Orange Dana Point: Dana Point Headlands, CNLM Preserve, 0.8 km W Marine Institute, Dana Point Harbor. 45 Comment
  RSA747625  Polypodium californicum Fred M. Roberts 2008-4-16 6907 Orange Dana Point: Dana Point Headlands, CNLM Preserve, 0.8km W Marine Institute, Dana Point Harbor. 45 Comment
  RSA747626  Melica imperfecta Fred M. Roberts 2008-4-16 6906 Orange Dana Point: Dana Point Headlands, CNLM Preserve, 0.8km W Marine Institute, Dana Point Harbor. 45 Comment
  RSA747628  Anagallis arvensis Fred M. Roberts 2008-5-16 6972 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 65 Comment
  RSA747629  Hypericum canariense Fred M. Roberts 2008-5-8 6946 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor). 75 Comment
  RSA747630  Leymus condensatus Fred M. Roberts 2008-5-8 6945 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 65 Comment
  RSA747631  Sambucus nigra Fred M. Roberts 2008-5-8 6944 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 65 Comment
  RSA747633  Pseudognaphalium biolettii Fred M. Roberts 2008-5-16 6980 Orange Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor. 45 Comment
  RSA747634  Mimulus aurantiacus var. puniceus Fred M. Roberts 2008-5-16 6981 Orange Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor. 45 Comment
  RSA747635  Plantago erecta Fred M. Roberts 2008-5-16 6982 Orange Dana Point: Dana Point Headlands, CNLM Preserve, north of Marguerita Drive, 0.5 km WNW Marine Institute, Dana Point Harbor. 75 Comment
  RSA747636  Layia platyglossa Fred M. Roberts 2008-5-16 6983 Orange Dana Point: Dana Point Headlands, CNLM Preserve, north of Marguerita Drive, 0.5 km WNW Marine Institute, Dana Point Harbor. 75 Comment
  RSA747637  Solanum umbelliferum var. glabrescens Fred M. Roberts, Lee Ann Carranza 2008-4-16 6916 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 71 Comment
  RSA747698  Bromus hordeaceus Fred M. Roberts 2008-4-16 6914 Orange Dana Point: Dana Point Headlands, CNLM Preserve, 0.8 km W Marine Institute, Dana Point Harbor. 60 Comment
  RSA747699  Salvia columbariae Fred M. Roberts 2008-4-16 6912 Orange Dana Point: Dana Point Headlands, CNLM Preserve, 0.8 km W Marine Institute, Dana Point Harbor. 60 Comment
  RSA747700  Vulpia myuros var. myuros Fred M. Roberts 2008-4-16 6911 Orange Dana Point: Dana Point Headlands, CNLM Preserve, 0.8km W Marine Institute, Dana Point Harbor. 45 Comment
  RSA747701  Dudleya lanceolata Fred M. Roberts 2008-5-16 6974 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 65 Comment
  RSA747703  Ambrosia chamissonis Fred M. Roberts 2008-5-16 6976 Orange Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor. 45 Comment
  RSA747707  Sisyrinchium bellum Fred M. Roberts 2008-5-16 6985 Orange Dana Point: Dana Point Hradland, CNLM Preserve, north of Marguerita Drive, 0.5 km WNW Marine Institute, Dana Point Harbor. 75 Comment
  RSA747708  Pseudognaphalium californicum Fred M. Roberts 2008-5-16 6986 Orange Dana Point: Dana Point Hradland, CNLM Preserve, north of Marguerita Drive, 0.5 km WNW Marine Institute, Dana Point Harbor. 75 Comment
  RSA747710  Cardionema ramosissimum Fred M. Roberts 2008-4-16 6913 Orange Dana Point: Dana Point Headlands, CNLM Preserve, 0.8 km W Marine Institute, Dana Point Harbor. 60 Comment
  RSA747712  Hypochaeris glabra Fred M. Roberts 2008-4-9 6867 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor). 52 Comment
  RSA747713  Cryptantha clevelandii Fred M. Roberts 2008-3-19 6782 Orange Dana Point: Dana Point Headlands, CNLM Preserve, 0.8km W Marine Institute, Dana Point Harbor. 45 Comment
  RSA747714  Atriplex californica Fred M. Roberts 2008-7-10 7073 Orange Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor. 45 Comment
  RSA747715  Deinandra fasciculata Fred M. Roberts 2008-7-10 7064 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 65 Comment
  RSA749286  Plantago erecta Fred M. Roberts, Linda Farley 2008-3-28 6834 Orange Santa Ana Mtns.: Upper Weir Cyn., Irvine Ranch Conservancy, 3.3 km ENE Robbers Peak on ridge north of canyon. 427 Comment
  RSA749287  Encelia californica Fred M. Roberts, David E. Bramlet 2008-4-1 6835 Orange Lomas de Santiago: Loma Ridge, Upper Hicks Cyn. along Haul Road, 1.0 km NNW Bee Peak, Irvine Ranch Conservancy. 341 Comment
  RSA749290  Galium porrigens var. porrigens Fred M. Roberts 1999-4-2 5168 Orange Lomas de Santiago: Loma Ridge, Dripping Springs Spur Rd., 2.3 km W Silverado Sch. and 5.1 km NW Bolero Lookout. 450 Comment
  RSA749291  Nassella lepida Fred M. Roberts 1999-4-2 5169 Orange Lomas de Santiago: Loma Ridge, Dripping Springs Spur Rd., 2.3 km W Silverado Sch. and 5.1 km NW Bolero Lookout. 450 Comment
  RSA749292  Dryopteris arguta Fred M. Roberts 1999-4-21 5175 Orange Lomas de Santiago: Loma Ridge, Limestone Cyn. along Dripping Spgs Rd., at mouth of Dripping Spgs. Cyn., 1.0 km W Silverado Sch. and 4.3 km NNW Bolero Lookout. 311 Comment
  RSA749293  Lasthenia coronaria Fred M. Roberts 2008-4-22 6921 Orange Lomas de Santiago: Loma Ridge, Lower Hicks Cyn.,along Haul Rd. near asphalt plant, 2.2 km ENE Rattlesnake Reservoir dam and 2.2 km WNW Bee Peak, Irvine Ranch Conservancy. 188 Comment
  RSA749294  Salvia mellifera Fred M. Roberts, Linda Farley 2008-3-28 6818 Orange Santa Ana Mtns.: Upper Weir Cyn., east fork along ridge just west of SR241, 3.4 km E Robber s Peak, Irvine Land Conservancy. 437 Comment
  RSA749297  Calochortus catalinae Fred M. Roberts 1999-4-21 5183 Orange Lomas de Santiago: Loma Ridge, ridges north of Dripping Springs Cyn., 1.5 km W Silverado Sch. and 4.8 km NNW Bolero Lookout. 365 Comment
  RSA749299  Apiastrum angustifolium Fred M. Roberts 1999-4-21 5184 Orange Lomas de Santiago: Loma Ridge, ridges north of Dripping Springs Cyn., 1.5 km W Silverado Sch. and 4.8 km NNW Bolero Lookout. 365 Comment
  RSA749302  Lotus salsuginosus Fred M. Roberts 1999-4-21 5181 Orange Lomas de Santiago: Loma Ridge, ridges north of Dripping Springs Cyn., 1.5 km W Silverado Sch. and 4.8 km NNW Bolero Lookout. 365 Comment
  RSA749305  Astragalus gambelianus Fred M. Roberts 1999-4-21 5178 Orange Lomas de Santiago: Loma Ridge, ridges north of Dripping Springs Cyn., 1.5 km W Silverado Sch. and 4.8 km NNW Bolero Lookout. 365 Comment
  RSA749306  Microseris lindleyi Fred M. Roberts 1999-4-21 5179 Orange Lomas de Santiago: Loma Ridge, ridges north of Dripping Springs Cyn., 1.5 km W Silverado Sch. and 4.8 km NNW Bolero Lookout. 365 Comment
  RSA749308  Mimulus brevipes Fred M. Roberts, Linda Farley 2008-3-28 7130 Orange Santa Ana Mtns.: Upper Weir Cyn., east fork along ridge just west of SR241, 3.4 km E Robber's Peak, Irvine Land Conservancy. 437 Comment
  RSA749309  Gilia capitata subsp. abrotanifolia Fred M. Roberts 1999-4-22 5195 Orange Lomas de Santiago: ridges between Limestone Cyn. and Santiago Creek wash opposite mouth Williams Cyn., 2.0 km SE Silverado Sch. and 2.2 km NNW Bolero Lookout. 400 Comment
  RSA749310  Vulpia microstachys var. pauciflora Fred M. Roberts 1999-4-22 5194 Orange Lomas de Santiago: ridges between Limestone Cyn. and Santiago Creek wash opposite mouth Williams Cyn., 2.0 km SE Silverado Sch. and 2.2 km NNW Bolero Lookout. 400 Comment
  RSA749312  Piperia cooperi Fred M. Roberts 1999-4-22 5193 Orange Lomas de Santiago: ridges between Limestone Cyn. and Santiago Creek wash opposite mouth Williams Cyn., 2.0 km SE Silverado Sch. and 2.2 km NNW Bolero Lookout. 400 Comment
  RSA749313  Rumex hymenosepalus Fred M. Roberts 2008-3-21 6790 Orange Santa Ana Mtns.: Central Weir Cyn. along Upper Weir Cyn. Rd., 1.3 km ESE Robbers Peak, about 2 km above canyon mouth. 224 Comment
  RSA749314  Calochortus catalinae Fred M. Roberts 2008-3-25 6791 Orange Loma Ridge: Upper Hicks Cyn. near Haul Road, c.a. 4.4 km by road from Portola Pkwy. and 3.2 km ENE Rattlesnake Cyn. Reservoir. 269 Comment
  RSA749317  Sanicula bipinnatifida Fred M. Roberts, Linda Farley 2008-3-28 6819 Orange Santa Ana Mtns.: Upper Weir Cyn., east fork along ridge just west of SR241, 3.4 km E Robber s Peak, Irvine Land Conservancy. 437 Comment
  RSA749355  Mimulus brevipes Fred M. Roberts 2008-4-22 6918 Orange Lomas de Santiago: Loma Ridge, Lower Hicks Cyn.,along Haul Rd. near asphalt plant, 2.2 km ENE Rattlesnake Reservoir dam and 2.2 km WNW Bee Peak, Irvine Ranch Conservancy. 188 Comment
  RSA749356  Scrophularia californica subsp. floribunda Fred M. Roberts 2008-4-22 6919 Orange Lomas de Santiago: Loma Ridge, Lower Hicks Cyn.,along Haul Rd. near asphalt plant, 2.2 km ENE Rattlesnake Reservoir dam and 2.2 km WNW Bee Peak, Irvine Ranch Conservancy. 188 Comment
  RSA749358  Lupinus microcarpus var. microcarpus Fred M. Roberts 2008-4-15 6897 Orange Lomas de Santiago: Loma Ridge, Lower Hicks Cyn., east ridge, 1.7 km E Rattlesnake Reservoir dam and 2.2 km W Bee Peak, Irvine Ranch Conservancy. 179 Comment
  RSA749359  Gaura coccinea Fred M. Roberts 2008-4-15 6898 Orange Lomas de Santiago: Loma Ridge, Lower Hicks Cyn., east ridge, Conservation Trail, 1.6 km ESE Rattlesnake Reservoir dam and 2.6 km WSW Bee Peak, Irvine Ranch Conservancy. 183 Comment
  RSA749362  Chenopodium murale Fred M. Roberts 2008-4-15 6901 Orange Lomas de Santiago: Loma Ridge, Lower Hicks Cyn., east ridge, Conservation Trail, 1.6 km ESE Rattlesnake Reservoir dam and 2.7 km WSW Bee Peak, Irvine Ranch Conservancy. 172 Comment
  RSA749428  Hypochaeris glabra Fred M. Roberts 2008-4-14 6892 Orange Santa Ana Mtns.: Upper Weir Cyn., east fork, 3.4 km E Robbers Peak, Irvine Ranch Conservancy. 433 Comment
  RSA749429  Thysanocarpus curvipes Fred M. Roberts 2008-4-14 6893 Orange Santa Ana Mtns.: Upper Weir Cyn., east fork, 3.4 km E Robbers Peak, Irvine Ranch Conservancy. 433 Comment
  RSA749430  Tauschia arguta Fred M. Roberts 2008-4-14 6894 Orange Santa Ana Mtns.: Upper Weir Cyn., east fork, 3.4 km E Robbers Peak, Irvine Ranch Conservancy. 433 Comment
  RSA749431  Trifolium ciliolatum Fred M. Roberts 2008-4-14 6895 Orange Santa Ana Mtns.: Upper Weir Cyn., east fork, 3.4 km E Robbers Peak, Irvine Ranch Conservancy. 433 Comment
  RSA749432  Gilia capitata subsp. abrotanifolia Fred M. Roberts 2008-4-14 6896 Orange Santa Ana Mtns.: Upper Weir Cyn., east fork, 3.1 km E Robbers Peak, Irvine Ranch Conservancy. 453 Comment
  RSA749437  Selaginella bigelovii Fred M. Roberts 2008-4-14 6891 Orange Santa Ana Mtns.: Upper Weir Cyn., east fork, 3.4 km E Robbers Peak, Irvine Ranch Conservancy. 433 Comment
  RSA749449  Fritillaria biflora Fred M. Roberts 2009-4-11 6885 Orange Lomas de Santiago: Loma Ridge, upper Dripping Springs Cyn., 0.9 km NE Bee Peak and 1.2 km WNW Dripping Springs. 448 Comment
  RSA749466  Silene gallica Fred M. Roberts 1999-4-22 5186 Orange Lomas de Santiago: tributary to Santiago Creek wash along spur road on ridge between Limestone Cyn. and Santiago Creek wash opposite Williams Cyn., 1.9 km SE Silverado Sch. and 2.2 km NNW Bolero Lookout. 395 Comment
  RSA749468  Athysanus pusillus Fred M. Roberts 1999-4-22 5188 Orange Lomas de Santiago: tributary to Santiago Creek wash along spur road on ridge between Limestone Cyn. and Santiago Creek wash opposite Williams Cyn., 1.8 km SE Silverado Sch. and 2.3 km NNW Bolero Lookout. 396 Comment
  RSA749469  Nemophila menziesii subsp. menziesii Fred M. Roberts 1999-4-22 5189 Orange Lomas de Santiago: tributary to Santiago Creek wash along spur road on ridge between Limestone Cyn. and Santiago Creek wash opposite Williams Cyn., 1.8 km SE Silverado Sch. and 2.3 km NNW Bolero Lookout. 396 Comment
  RSA749470  Pentagramma triangularis subsp. triangularis Fred M. Roberts 1999-4-22 5190 Orange Lomas de Santiago: tributary to Santiago Creek wash along spur road on ridge between Limestone Cyn. and Santiago Creek wash opposite Williams Cyn., 1.8 km SE Silverado Sch. and 2.3 km NNW Bolero Lookout. 396 Comment
  RSA749471  Hedypnois cretica Fred M. Roberts, Linda Farley 2008-3-28 6826 Orange Santa Ana Mtns.: Upper Weir Cyn., Irvine Ranch Conservancy, 3.3 km ENE Robbers Peak on ridge north of canyon. 427 Comment
  RSA749473  Antirrhinum kelloggii Fred M. Roberts, Linda Farley 2008-3-28 6828 Orange Santa Ana Mtns.: Upper Weir Cyn., Irvine Ranch Conservancy, 3.3 km ENE Robbers Peak on ridge north of canyon. 427 Comment
  RSA749485  Eucrypta chrysanthemifolia Fred M. Roberts 2008-3-25 6793 Orange Loma Ridge: Upper Hicks Cyn. near Haul Road, c.a. 4.4 km by road from Portola Pkwy. and 3.2 km ENE Rattlesnake Cyn. Reservoir. 269 Comment
  RSA749486  Plantago erecta Fred M. Roberts, Linda Farley 2008-3-28 6815 Orange Santa Ana Mtns.: Upper Weir Cyn., east fork along ridge just west of SR241, 3.4 km E Robber's Peak, Irvine Land Conservancy. 437 Comment
  RSA749488  Fritillaria biflora Fred M. Roberts, Linda Farley 2008-3-28 6822 Orange Santa Ana Mtns.: Upper Weir Cyn., east fork along ridge just west of SR241, 3.4 km E Robbers Peak, Irvine Land Conservancy. 457 Comment
  RSA749489  Silene antirrhina Fred M. Roberts, Linda Farley 2008-3-28 6823 Orange Santa Ana Mtns.: Upper Weir Cyn., east fork along ridge just west of SR241, 3.4 km E Robber s Peak, Irvine Land Conservancy. 457 Comment
  RSA749519  Calochortus catalinae Fred M. Roberts 2009-4-11 6886 Orange Lomas de Santiago: Loma Ridge, upper Dripping Springs Cyn., 0.9 km NE Bee Peak and 1.2 km WNW Dripping Springs. 448 Comment
  RSA749522  Trifolium microcephalum Fred M. Roberts 2008-4-8 6847 Orange Lomas de Santiago: Loma Ridge, Upper Dripping Springs Cyn., 1.0 km NE Bee Peak, Irvine Ranch Conservancy. 458 Comment
  RSA751981  Pseudognaphalium stramineum Fred M. Roberts 2008-3-27 6804 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5 km W Marine Institute (Dana Point Harbor). 75 Comment
  RSA751983  Camissonia bistorta Fred M. Roberts 2008-3-27 6802 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor). 75 Comment
  RSA751984  Brassica tournefortii Fred M. Roberts, Lee Ann Carranza 2008-3-26 6801 Orange Dana Point: Dana Point Headlands, CNLM Preserve, 0.8km W Marine Institute, Dana Point Harbor. 50 Comment
  RSA751985  Phacelia distans Fred M. Roberts 2008-3-26 6800 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor). 75 Comment
  RSA751986  Ehrharta erecta Fred M. Roberts, Eliza Maher 2008-3-26 6798 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 71 Comment
  RSA751987  Baccharis salicifolia Fred M. Roberts, Eliza Maher 2008-3-26 6799 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 71 Comment
  RSA752032  Salvia columbariae Fred M. Roberts, Eliza Maher 2008-3-26 6795 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 65 Comment
  RSA752033  Tetragonia tetragonoides Fred M. Roberts 2008-4-2 6840 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor). 75 Comment
  RSA752035  Argyranthemum foeniculaceum Fred M. Roberts 2008-3-27 6814 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 1, 0.5km W Marine Institute (Dana Point Harbor). 45 Comment
  RSA752036  Silene antirrhina Fred M. Roberts 2008-3-27 6813 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 1, 0.5km W Marine Institute (Dana Point Harbor). 45 Comment
  RSA752038  Muhlenbergia microsperma Fred M. Roberts 2008-3-27 6811 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 1, 0.5km W Marine Institute (Dana Point Harbor). 45 Comment
  RSA752039  Solanum americanum Fred M. Roberts 2008-3-27 6809 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor). 75 Comment
  RSA752040  Chenopodium murale Fred M. Roberts 2008-3-27 6808 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor). 75 Comment
  RSA752042  Phacelia distans Fred M. Roberts 2008-3-27 6806 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor). 75 Comment
  RSA752304  Cardionema ramosissimum Fred M. Roberts, Eliza Maher 2008-3-26 6794 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 65 Comment
  RSA752318  Pellaea andromedifolia Fred M. Roberts 2008-5-20 7131 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Cyn., 0.8 km NW Bolero Spr. and 3.1 km WNW Bolero Lookout. Irvine Ranch Conservancy. 467 Comment
  RSA752319  Symphoricarpos mollis Fred M. Roberts 2008-5-20 7132 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Cyn., 0.8 km NW Bolero Spr. and 3.1 km WNW Bolero Lookout. Irvine Ranch Conservancy. 467 Comment
  RSA752320  Galium parisiense Fred M. Roberts 2008-5-20 7133 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Cyn., 0.8 km NW Bolero Spr. and 3.1 km WNW Bolero Lookout. Irvine Ranch Conservancy. 467 Comment
  RSA752711  Cakile maritima Fred M. Roberts, Sandra Leatherman, Jennifer S. Pareti 2009-4-14 7147 Orange Dana Point Headlands: Dana Strand Beach and slopes above beach, 0.8 km WNW Marine Institute at Dana Point Harbor. CNLM Dana Point Preserve. 3 Comment
  RSA752712  Parapholis incurva Fred M. Roberts, Sandra Leatherman, Jennifer S. Pareti 2009-4-14 7148 Orange Dana Point Headlands: Dana Strand Beach and slopes above beach, 0.8 km WNW Marine Institute at Dana Point Harbor. CNLM Dana Point Preserve. 3 Comment
  RSA752714  Parietaria hespera var. californica Fred M. Roberts, Sandra Leatherman, Jennifer Pareti 2009-4-14 7150 Orange Dana Point Headlands: Dana Strand Beach and slopes above beach, 0.8 km WNW Marine Institute at Dana Point Harbor. CNLM Dana Point Preserve. 3 Comment
  RSA752715  Euphorbia peplus Fred M. Roberts, Sandy Leatherman, Jennifer Pareti 2009-4-14 7151 Orange Dana Point Headlands: Dana Strand Beach and slopes above beach, 0.8 km WNW Marine Institute at Dana Point Harbor. CNLM Dana Point Preserve. 3 Comment
  RSA752716  Acacia longifolia Fred M. Roberts, Sandy Leatherman, Jennifer Pareti 2009-4-14 7152 Orange Dana Point Headlands: Dana Strand Beach and slopes above beach, 0.8 km WNW Marine Institute at Dana Point Harbor. CNLM Dana Point Preserve. 3 Comment
  RSA752718  Heliotropium curassavicum var. oculatum Fred M. Roberts 2009-4-21 7157 Orange Dana Point Headlands: southern cliffs, 0.7 km W Marine Institute at Dana Point Harbor. CNLM Dana Point Preserve. 3 Comment
  RSA752848  Mesembryanthemum nodiflorum Fred M. Roberts 2009-4-21 7156 Orange Dana Point Headlands: southern cliffs, 0.7 km W Marine Institute at Dana Point Harbor. CNLM Dana Point Preserve. 3 Comment
  RSA752849  Lotus scoparius subsp. scoparius Fred M. Roberts 2009-4-21 7155 Orange Dana Point Headlands: southern cliffs, 0.7 km W Marine Institute at Dana Point Harbor. CNLM Dana Point Preserve. 3 Comment
  RSA752850  Centaurea melitensis Fred M. Roberts 2009-4-21 7154 Orange Dana Point Headlands: southern cliffs, 0.7 km W Marine Institute at Dana Point Harbor. CNLM Dana Point Preserve. 3 Comment
  RSA773500  Micropus californicus var. californicus Fred M. Roberts 1999-5-14 5220 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Canyon, 0.7 km NW Bolero Spring and 2.6 km SW Silverado School 502 Comment
  RSA773501  Melica imperfecta Fred M. Roberts 1999-5-14 5221 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Canyon, 0.7 km NW Bolero Spring and 2.6 km SW Silverado School 502 Comment
  RSA773502  Koeleria macrantha Fred M. Roberts 1999-5-14 5222 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Canyon, 0.7 km NW Bolero Spring and 2.6 km SW Silverado School 502 Comment
  RSA773503  Bloomeria crocea Fred M. Roberts 1999-5-14 5223 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Canyon, 0.7 km NW Bolero Spring and 2.6 km SW Silverado School 502 Comment
  RSA773504  Polypodium californicum Fred M. Roberts 1999-5-14 5224 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Canyon, 0.7 km NW Bolero Spring and 2.6 km SW Silverado School 490 Comment
  RSA773507  Crassula connata Fred M. Roberts 1999-5-14 5227 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Canyon, 0.7 km NW Bolero Spring and 2.6 km SW Silverado School 490 Comment
  RSA773509  Stellaria nitens Fred M. Roberts 1999-4-26 5200 Orange Lomas de Santiago: Lomas Ridge, ridge between Limestone Canyon and Santiago Canyon Wash, 1.7 km SE Silverado School, and 2.4 km N Bolero Lookout 411 Comment
  RSA773515  Linaria canadensis var. texana Fred M. Roberts 1999-5-3 5205 Orange Lomas de Santiago: ridge between Limestone Canyon and Santiago Canyon Wash, 0.4 km SE Silverado School, and 3.9 km Bolero Lookout 351 Comment
  RSA773516  Antirrhinum kelloggii Fred M. Roberts 1999-5-3 5206 Orange Lomas de Santiago: ridge between Limestone Canyon and Santiago Canyon Wash, 0.4 km SE Silverado School, and 3.9 km Bolero Lookout 351 Comment
  RSA773518  Cirsium occidentale var. occidentale Fred M. Roberts 1999-5-3 5208 Orange Lomas de Santiago: Loma Ridge, Central Limestone Canyon, west slope, 2.3 km NW Bolero Lookout and 0.5 km NE Bolero Spring 446 Comment
  RSA773519  Castilleja affinis Fred M. Roberts 1999-5-3 5210 Orange Lomas de Santiago: Loma Ridge, Central Limestone Canyon, west slope, 2.3 km NW Bolero Lookout and 0.5 km NE Bolero Spring 446 Comment
  RSA773520  Malacothrix saxatilis var. tenuifolia Fred M. Roberts 1999-5-3 5211 Orange Lomas de Santiago: Loma Ridge, Central Limestone Canyon, west slope, 2.3 km NW Bolero Lookout and 0.5 km NE Bolero Spring 446 Comment
  RSA773521  Lomatium dasycarpum subsp. dasycarpum Fred M. Roberts 1999-5-3 5212 Orange Lomas de Santiago: Loma Ridge, Central Limestone Canyon, west slope, 2.2 km NW Bolero Lookout and 0.8 km NE Bolero Spring. 397 Comment
  RSA773522  Muhlenbergia microsperma Fred M. Roberts 1999-5-14 5213 Orange Peninsular Ranges; Santa Ana Mts.: Lomas de Santiago, Loma Ridge; Upper Limestone Canyon on slopes above Bolero Spring, 2.4 km NNW Bolero Lookout 451 Comment
  RSA773523  Cistanthe monandra Fred M. Roberts 1999-5-14 5214 Orange Peninsular Ranges; Santa Ana Mts.: Lomas de Santiago, Loma Ridge; Upper Limestone Canyon on slopes above Bolero Spring, 2.4 km NNW Bolero Lookout 451 Comment
  RSA773524  Euphorbia polycarpa var. polycarpa Fred M. Roberts 1999-5-14 5215 Orange Peninsular Ranges; Santa Ana Mts.: Lomas de Santiago, Loma Ridge; Upper Limestone Canyon on slopes above Bolero Spring, 2.4 km NNW Bolero Lookout. 451 Comment
  RSA773545  Leptosiphon parviflorus Fred M. Roberts 1999-4-26 5197 Orange Lomas de Santiago: Lomas Ridge, tributary to Santiago Canyon Wash on ridge between Limestone Canyon and the wash, 1.4 km SE Silverado School, and 2.7 km N Bolero Lookout. 358 Comment
  RSA773546  Nemacladus ramosissimus Fred M. Roberts 1999-4-26 5196 Orange Lomas de Santiago: Lomas Ridge, tributary to Santiago Canyon Wash on ridge between Limestone Canyon and the wash, 1.4 km SE Silverado School, and 2.7 km N Bolero Lookout. 358 Comment
  RSA773548  Calochortus weedii var. weedii Fred M. Roberts, Robert Allen 2008-6-9 7036 Orange Santa Ana Mts.: Hot Spring Canyon, along road, 0.9 km N San Juan Fire Station 255 Comment
  RSA773549  Mentzelia dispersa Fred M. Roberts, Robert Allen, Pat Brennon 2008-6-9 7035 Orange Santa Ana Mts.: Modjeska Peak, north slope, 0.2 km NNE summit 1632 Comment
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Mar 23 2020
  RSA773550  Calochortus weedii var. intermedius Fred M. Roberts, Robert Allen, Ron Parsons, Mary Gerritsen 2008-6-8 7034 Orange Lomas de Santiago: Loma Ridge, West Loma Ridge Road at Calochortus Ridge, 2.5 km NNW Bee Peak. Irvine Ranch Conservancy 393 Comment
  RSA773551  Lepidium virginicum var. robinsonii Fred M. Roberts 2008-6-5 7033 Orange Loma Ridge, East Fork Rattlesnake Canyon, ca. 2.2 km ENE Rattlesnake Reserovir spillway and 2.3 km WNW Bee Peak 202 Comment
  RSA773553  Echinochloa colona Fred M. Roberts 2008-6-3 7031 Orange Lomas de Santiago: Loma Ridge, East Fork Rattlesnake Canyon, ca. 2.6 km NE Rattlesnake Reservoir spillway and 2.4 km ENE Bee Peak 225 Comment
  RSA773554  Phacelia ramosissima var. latifolia Fred M. Roberts 2008-6-3 7030 Orange Lomas de Santiago: Loma Ridge, East Fork Rattlesnake Canyon, ca. 2.6 km NE of Rattlesnake Reservoir spillway and 2.4 km ENE Bee Peak 235 Comment
  RSA773557  Calochortus weedii var. intermedius Fred M. Roberts 2008-6-3 7027 Orange Lomas de Santiago: Loma Ridge, East Fork Rattlesnake Canyon, ca. 2.5 km NE of Rattlesnake Reservoir spillway and 2.6 km ENE Bee Peak 258 Comment
  RSA773560  Bromus hordeaceus Fred M. Roberts 1999-5-14 5216 Orange Peninsular Ranges; Santa Ana Mts.: Lomas de Santiago, Loma Ridge; Upper Limestone Canyon on slopes above Bolero Spring, 2.4 km NNW Bolero Lookout 451 Comment
  RSA773561  Schismus barbatus Fred M. Roberts 1999-5-14 5217 Orange Peninsular Ranges; Santa Ana Mts.: Lomas de Santiago, Loma Ridge; Upper Limestone Canyon on slopes above Bolero Spring, 2.4 km NNW Bolero Lookout 451 Comment
  RSA773562  Achnatherum coronatum Fred M. Roberts 1999-5-14 5218 Orange Peninsular Ranges; Santa Ana Mts.: Lomas de Santiago, Loma Ridge; Upper Limestone Canyon on slopes above Bolero Spring, 2.4 km NNW Bolero Lookout 451 Comment
  RSA788900  Euphorbia albomarginata Fred M. Roberts 2008-6-12 7040 Orange Lomas de Santiago: Loma Ridge, Shoestring Canyon, Shoestring Road near jct. with Santiago Cyn. Rd. 251 Comment
  RSA788901  Sambucus nigra Fred M. Roberts 2008-6-12 7039 Orange Lomas de Santiago: Loma Ridge, Shoestring Canyon, Shoestring Road near jct. with Santiago Cyn. Rd. 251 Comment
  RSA788903  Calochortus weedii var. intermedius Fred M. Roberts 2008-6-12 7043 Orange Lomas de Santiago: Loma Ridge, ridge north of Shoestring Road, 2.2 km S Irvine Lake dam, Irvine Ranch Land Conservancy. 325 Comment
  RSA788904  Calochortus weedii var. intermedius Fred M. Roberts 2008-6-12 7044 Orange Lomas de Santiago: Loma Ridge, ridge north of Shoestring Road, 2.2 km S Irvine Lake dam, Irvine Ranch Land Conservancy. 325 Comment
  RSA788907  Grindelia camporum var. bracteosa Fred M. Roberts 2008-6-26 7059 Orange Lomas de Santiago: Loma Ridge along West Loma Ridge Road, c.a. 1 km N Haul Rd., 2.5 km NNW Bee Peak, Irvine Ranch Land Conservancy. 382 Comment
  RSA788912  Setaria pumila Fred M. Roberts 2008-9-17 7104 Orange Peninsular Ranges: Santa Ana River Canyon: Yorba Linda Regional Park adjacent to Santa Ana river, South of La Palma Ave. and 1.7 km ENE Imperial Hwy. bridge over river. 87 Comment
  RSA788915  Chorizanthe staticoides Fred M. Roberts 1999-6-10 5237 Orange Peninsular Range, Santa Ana Mtns. Region: Lomas de Santiago: Loma Ridge, Agua Chinon Cyn., 1.2 km S Bolero Spring and 2.4 km W Bolero Lookout. 324 Comment
  RSA788916  Calochortus weedii var. intermedius Fred M. Roberts 1999-6-10 5238 Orange Lomas de Santiago: Loma Ridge, Agua Chinon Cyn., 1.3 km S Bolero Spring and 2.2 km W Bolero Lookout. 285 Comment
  RSA788917  Calochortus catalinae Fred M. Roberts 1999-6-10 5239 Orange Lomas de Santiago: Loma Ridge, Agua Chinon Cyn., 1.3 km S Bolero Spring and 2.2 km W Bolero Lookout. 285 Comment
  RSA788918  Calochortus splendens Fred M. Roberts 1999-6-10 5240 Orange Lomas de Santiago: Loma Ridge, Central Limestone Cyn., adjacent to the Sinks, 0.7 km E Bolero Spring and 1.9 km NW Bolero Lookout. 411 Comment
  RSA788919  Achillea millefolium Fred M. Roberts 1999-6-10 5241 Orange Lomas de Santiago: Loma Ridge, Central Limestone Cyn., adjacent to the Sinks, 0.7 km E Bolero Spring and 1.9 km NW Bolero Lookout. 411 Comment
  RSA788920  Agrostis pallens Fred M. Roberts 1999-6-10 5242 Orange Lomas de Santiago: Loma Ridge, Central Limestone Cyn., adjacent to the Sinks, 0.7 km E Bolero Spring and 1.9 km NW Bolero Lookout. 411 Comment
  RSA788921  Delphinium parryi subsp. parryi Fred M. Roberts 1999-6-10 5243 Orange Lomas de Santiago: Loma Ridge, Central Limestone Cyn., 4.5 km W Silverado School and 4.5 km NW Bolero Lookout. 306 Comment
  RSA788923  Juncus dubius Fred M. Roberts 1999-6-23 5245 Orange Peninsular Range, Santa Ana Mtns. Region: Lomas de Santiago: tributary to Santiago Creek, ridge between Limestone Cyn, and Santiago Creek wash across from Pancho Canyon, 1.6 km ENE Bolero Spr. and 1.6 km NNW Bolero Lookout. 396 Comment
  RSA788924  Acourtia microcephala Fred M. Roberts 1999-7-1 5246 Orange Peninsular Range, Santa Ana Mtn.s Region: Lomas de Santiago; Lomas Ridge north of Dripping Springs Cyn., 1.1 km NW Dripping Springs and 2.1 km WSW Silverado School. 433 Comment
  SBBG119614  Pseudognaphalium leucocephalum F. M. Roberts 2003-7-24 5963 Orange San Juan Crk, ca. 0.1 km NE of La Novia Bridge, San Juan Capistrano 27 Comment
  SD233345  Pterostegia drymarioides Fred M. Roberts 2008-3-12 6714 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, ca. 0.8 km W Marine Institute (Dana Point Harbor). 49 Comment
  SEINET11237911 Image available Senna marilandica Fred M. Roberts, Sandra L. Leatherman 2008-9-3 7080 Orange Yorba Linda, Santa Ana River Canyon, Santa Ana River, 0.6 km W Gypsum Cyn. bridge, south of La Palma Ave 113 Comment
  UC1595602  Lathyrus vestitus var. alefeldii Fred M. Roberts Jr. and Carol A. Roberts 1989-4-7 4265 Orange Aliso-Wood Canyon Regional Park: Upper Wood Canyon, ca 0.5 km SW Moulton Peak. 102 Comment
  UC1597259  Quercus Fred M. Roberts Jr. and Carol A. Roberts 1989-4-7 4264 Orange 0.4 km w West Moulton Peak; Aliso-Wood Canyon Regional Park, Upper Wood Canyon 104 Comment
  UCR125977  Malvaviscus arboreus Fred M. Roberts, Leo Song 2002-8-1 5562 Orange San Joaquin Hill, Laguna Beach, S flank Temple Hill, between Nyes Place and Balboa Avenue; 0.9 km ENE of Sugarloaf Point 183 Comment
  UCR126410  Gnaphalium leucocephalum Fred M. Roberts 2003-7-24 5963 Orange South Coast, San Juan Capistrano, San Juan Creek, c. 0.1 km NE of La Novia Bridge 27 Comment
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Jun 4 2013
  UCR149413  Asphodelus fistulosus Fred M. Roberts 2000-6-5 5337 Orange Chino Hills, Yorba Linda, along Hidden Hills Dr. near Sunbeam Lane, on ridge above Box Canyon 376 Comment
  UCR149414  Limonium duriusculum Fred M. Roberts 2000-6-5 5338 Orange Chino Hills, Yorba Linda, along Hidden Hills Dr. near Sunbeam Lane, on ridge above Box Canyon 376 Comment
  UCR158047  Convolvulus simulans Fred M. Roberts, D. E. Bramlet 2003-4-10 5652 Orange Coastal Plains & Basins; South Coastal Plain region, Rancho Mission Viejo: Donna O'Neill Land Conservancy, ridges west of Cristianitos Cyn., 1.17km SW Gato Gate and 1.02km W Cristianitos Rd. 175 Comment
  UCR162881  Gnaphalium leucocephalum Fred M. Roberts 2004-7-30 6088 Orange Rancho Mission Viejo; Donna O'Neill Land Conservancy, Cristianitos Canyon along Cristianitos Creek, 0.93 km SSW Gato Gate and 0.23 km W Cristianitos Road 76 Comment
  UCR177690  Linanthus liniflorus Fred M. Roberts, D. E. Bramlet 2003-5-1 5693 Orange Coastal Plains & Basins; South Coastal Plain region, Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.56 km SSW Gato Gate and 0.21 km west of Cristianitos Rd. 96 Comment
  UCR177692  Vicia villosa Fred M. Roberts 2003-5-1 5683 Orange Coastal Plains & Basins; South Coastal Plain region, Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.60 km SSW Gato Gate and 0.16 km west of Cristianitos Rd. 93 Comment
  UCR177693  Elymus glaucus Fred M. Roberts 2003-5-1 5687 Orange Coastal Plains & Basins; South Coastal Plain region, Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.56 km SSW Gato Gate and 0.21 km west of Cristianitos Rd. 96 Comment
  UCR177695  Quercus engelmannii Fred M. Roberts 2003-5-1 5685 Orange Coastal Plains & Basins; South Coastal Plain region, Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.56 km SSW Gato Gate and 0.21 km west of Cristianitos Rd. 96 Comment
  UCR177696  Hemizonia parryi subsp. australis Fred M. Roberts 2003-7-8 5955 Orange Coastal Plains & Basins; Los Angeles Basin region, Orange: Orange Park Acres, along Santiago Creek, 0.5km E Cannon Road and 0.3km N Santiago Canyon Rd. 117 Comment
  UCR177707  Stephanomeria diegensis Fred M. Roberts, D. E. Bramlet 2004-11-5 6128 Orange Rancho Mission Viejo; Donna O'Neill Land Conservancy, west slopes of Cristianitos Canyon, 0.79 km N Sycamore Gate and 0.18 km W Cristianitos Road 146 Comment
  UCR188994  Digitaria ischaemum Fred M. Roberts 2007-10-29 6622 Orange South Coast, Niguel Hill, Laguna Niguel. Seaview Park, 1.3 km ENE of Aliso Peak 265 Comment
  UCR188997  Limonium ramosissimum Fred M. Roberts 2007-10-29 6623 Orange South Coast, Niguel Hill, Laguna Niguel. Seaview Park, 1.3 km ENE of Aliso Peak 265 Comment
  UCR189302  Ailanthus altissima Fred M. Roberts, R. L. Allen 2007-9-28 6599 Orange Foothill Trabuco, Upper Aliso Creek at SE corner of El Toro Road and Valle Vista Way, c. 1.8 km NE Upper Oso Reservoir 308 Comment
  UCR189552  Pittosporum undulatum Fred M. Roberts 2007-10-29 6618 Orange South Coast, Niguel Hill, Laguna Niguel. Seaview Park, 1.3 km ENE of Aliso Peak 265 Comment
  UCR203978  Mirabilis laevis var. crassifolia Fred M. Roberts 2008-3-12 6712 Orange South Coast, Dana Point Headlands Center for Natural Lands Mgmt. Preserve, west side, c. 0.8 km west of Marine Institute, Dana Point Harbor 50 Comment
  UCR203979  Pterostegia drymarioides Fred M. Roberts 2008-3-12 6714 Orange South Coast, Dana Point Headlands Center for Natural Lands Mgmt. Preserve, west side, c. 0.8 km west of Marine Institute, Dana Point Harbor 50 Comment
  UCR203980  Cryptantha intermedia Fred M. Roberts 2008-3-12 6716 Orange South Coast, Dana Point Headlands Center for Natural Lands Mgmt. Preserve, west side, c. 0.8 km west of Marine Institute, Dana Point Harbor 50 Comment
  UCR203981  Senecio californicus Fred M. Roberts 2008-3-12 6719 Orange South Coast, Dana Point Headlands Center for Natural Lands Mgmt. Preserve, west side, c. 0.8 km west of Marine Institute, Dana Point Harbor 50 Comment
  UCR203983  Rhus integrifolia Fred M. Roberts 2008-3-12 6722 Orange South Coast, Dana Point Headlands Center for Natural Lands Mgmt. Preserve, west side, c. 0.8 km west of Marine Institute, Dana Point Harbor 50 Comment
  UCR203984  Marah macrocarpa Fred M. Roberts 2008-3-12 6723 Orange South Coast, Dana Point Headlands Center for Natural Lands Mgmt. Preserve, west side, c. 0.8 km west of Marine Institute, Dana Point Harbor 50 Comment
  UCR203985  Lupinus truncatus Fred M. Roberts 2008-3-12 6726 Orange South Coast, Dana Point Headlands Center for Natural Lands Mgmt. Preserve, west side, c. 0.8 km west of Marine Institute, Dana Point Harbor 50 Comment
  UCR203986  Lotus strigosus var. strigosus Fred M. Roberts 2008-3-12 6727 Orange South Coast, Dana Point Headlands Center for Natural Lands Mgmt. Preserve, west side, c. 0.8 km west of Marine Institute, Dana Point Harbor 50 Comment
  UCR203987  Lotus scoparius var. scoparius Fred M. Roberts 2008-3-12 6729 Orange South Coast, Dana Point Headlands Center for Natural Lands Mgmt. Preserve, west side, c. 0.8 km west of Marine Institute, Dana Point Harbor 50 Comment
  UCR203990  Camissonia cheiranthifolia subsp. suffruticosa Fred M. Roberts 2008-3-12 6737 Orange South Coast, Dana Point Headlands Center for Natural Lands Mgmt. Preserve, west side, c. 0.8 km west of Marine Institute, Dana Point Harbor 50 Comment
  UCR208055  Quercus engelmannii Fred M. Roberts, D. E. Bramlet 2003-4-10 5645 Orange Coastal Plains & Basins; South Coastal Plain region, Rancho Mission Viejo: Donna O'Neill Land Conservancy, ridge between Cristianitos Cyn. and Segunda Deshecha Canada, 1.51km W Gato Gate and 1.78km NW Edison substation 229 Comment
  UCR208155  Microseris douglasii subsp. platycarpha Fred M. Roberts, D. E. Bramlet 2003-3-27 5621 Orange Coastal Plains & Basins; South Coastal Plain region, Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.79km N Sycamore Gate, 0.23km W Cristianitos Rd. 126 Comment
  UCR209330  Calochortus catalinae Fred M. Roberts 2009-4-11 6886 Orange Lomas de Santiago, Loma Ridge, upper Dripping Springs Canyon, 0.9 km northeast of Bee Peak and 1.2 km west-northwest of Dripping Springs 448 Comment
  UCR209331  Sanicula arguta Fred M. Roberts 2009-4-11 6888 Orange Lomas de Santiago, Loma Ridge, upper Dripping Springs Canyon, 0.9 km northeast of Bee Peak and 1.2 km west-northwest of Dripping Springs 448 Comment
  UCR209333  Linanthus dianthiflorus Fred M. Roberts 2009-4-11 6887 Orange Lomas de Santiago, Loma Ridge, upper Dripping Springs Canyon, 0.9 km northeast of Bee Peak and 1.2 km west-northwest of Dripping Springs 448 Comment
  UCR209334  Hemizonia fasciculata Fred M. Roberts 2008-7-10 7064 Orange South Coast, Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8 km west-northwest of Marine Institute, Dana Point Harbor 65 Comment
  UCR209340  Mimulus aurantiacus var. pubescens Fred M. Roberts 2008-4-22 6920 Orange Lomas de Santiago, Loma Ridge, Lower Hicks Canyon, along Haul Road near asphalt plant, 2.2 km east-northeast of Rattlesnake Reservoir Dam and 2.2 km west-northwest of Bee Peak, Irvine Ranch Conservancy 188 Comment
  UCR209341  Aristida ternipes var. hamulosa Fred M. Roberts 2008-4-22 7167 Orange Lomas de Santiago, Loma Ridge, Lower Hicks Canyon, along Haul Road near asphalt plant, 2.2 km east-northeast of Rattlesnake Reservoir Dam and 2.2 km west-northwest of Bee Peak, Irvine Ranch Conservancy 188 Comment
  UCR209343  Hemizonia fasciculata Fred M. Roberts 2008-4-22 6922 Orange Lomas de Santiago, Loma Ridge, Lower Hicks Canyon, along Haul Road near asphalt plant, 2.2 km east-northeast of Rattlesnake Reservoir Dam and 2.2 km west-northwest of Bee Peak, Irvine Ranch Conservancy 188 Comment
  UCR209344  Sisymbrium irio Fred M. Roberts 2008-4-15 6900 Orange Lomas de Santiago, Loma Ridge, Lower Hicks Canyon, east ridge, Conservation Trail, 1.6 km east-southeast of Rattlesnake Reservoir Dam and 2.7 km west-southwest of Bee Peak, Irvine Ranch Conservancy 172 Comment
  UCR209347  Gaura coccinea Fred M. Roberts 2008-4-15 6898 Orange Lomas de Santiago, Loma Ridge, Lower Hicks Canyon, east ridge, Conservation Trail, 1.6 km east-southeast of Rattlesnake Reservoir Dam and 2.6 km west-southwest of Bee Peak, Irvine Ranch Conservancy 183 Comment
  UCR209348  Polypodium californicum Fred M. Roberts 2008-4-14 6890 Orange Santa Ana Mountains, Upper Weir Canyon, east fork, 3.4 km eat of Robbers Peak, Irvine Ranch Conservancy 433 Comment
  UCR209352  Cryptantha microstachys Fred M. Roberts 2008-4-8 7169 Orange Lomas de Santiago, Loma Ridge, Upper Dripping Springs Cnyn, 1.0 km northeast of Bee Peak, Irvine Ranch Conservancy 458 Comment
  UCR209355  Castilleja exserta subsp. exserta Fred M. Roberts 2008-4-8 6848 Orange Lomas de Santiago, Loma Ridge, Upper Dripping Springs Cnyn, 1.0 km northeast of Bee Peak, Irvine Ranch Conservancy 458 Comment
  UCR209356  Linaria canadensis var. texana Fred M. Roberts 2008-4-8 6849 Orange Lomas de Santiago, Loma Ridge, Upper Dripping Springs Cnyn, 1.0 km northeast of Bee Peak, Irvine Ranch Conservancy 458 Comment
  UCR209358  Lasthenia coronaria Fred M. Roberts, D. E. Bramlet, Megan Lulow 2008-4-4 6844 Orange Lomas de Santiago, Loma Ridge, at Calochortus Ridge near East Lomas Ridge Road, 0.7 km east of Bee Peak, Irvine Ranch Conservancy 509 Comment
  UCR209359  Chaenactis glabriuscula var. glabriuscula Fred M. Roberts, D. E. Bramlet, Megan Lulow 2008-4-4 6845 Orange Lomas de Santiago, Loma Ridge, at Calochortus Ridge near East Lomas Ridge Road, 0.7 km east of Bee Peak, Irvine Ranch Conservancy 509 Comment
  UCR209362  Astragalus didymocarpus var. didymocarpus Fred M. Roberts, D. E. Bramlet 2008-4-1 6836 Orange Lomas de Santiago, Loma Ridge, East Lomas Ridge Road along crest, 3.2 km northwest of Bee Peak and 3.4 km northeast of Rattlesnake Reservoir Dam, Irvine Ranch Conservancy 388 Comment
  UCR209365  Silene laciniata subsp. major Fred M. Roberts, Linda Farley 2008-3-28 6831 Orange Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, 3.3 km east-northeast of Robbers Peak on ridge north of canyon 427 Comment
  UCR209366  Linanthus parviflorus Fred M. Roberts, Linda Farley 2008-3-28 6833 Orange Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, 3.3 km east-northeast of Robbers Peak on ridge north of canyon 427 Comment
  UCR209367  Nolina cismontana Fred M. Roberts, Linda Farley 2008-3-28 6832 Orange Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, 3.3 km east-northeast of Robbers Peak on ridge north of canyon 427 Comment
  UCR209368  Cryptantha microstachys Fred M. Roberts, Linda Farley 2008-3-28 6829 Orange Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, 3.3 km east-northeast of Robbers Peak on ridge north of canyon 427 Comment
  UCR209369  Poa secunda subsp. secunda Fred M. Roberts, Linda Farley 2008-3-28 6827 Orange Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, 3.3 km east-northeast of Robbers Peak on ridge north of canyon 427 Comment
  UCR209370  Melica imperfecta Fred M. Roberts, Linda Farley 2008-3-28 6821 Orange Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, east fork along ridge just west of SR 241, 3.4 km east of Robber's Peak 437 Comment
  UCR209371  Microseris heterocarpa Fred M. Roberts, Linda Farley 2008-3-28 6817 Orange Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, east fork along ridge just west of SR 241, 3.4 km east of Robber's Peak 437 Comment
  UCR209373  Plantago erecta Fred M. Roberts, Linda Farley 2008-3-28 6815 Orange Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, east fork along ridge just west of SR 241, 3.4 km east of Robber's Peak 437 Comment
  UCR209374  Lupinus succulentus Fred M. Roberts 2008-3-25 6792 Orange Loma Ridge, Upper Hicks Canyon near Haul Road, c. 4.4 km by road from Portola Parkway, and 3.2 km east northeast Rattlesnake Canyon Reservoir 269 Comment
  UCR209377  Plantago erecta Fred M. Roberts, Linda Farley 2008-3-28 6834 Orange Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, 3.3 km east-northeast of Robbers Peak on ridge north of canyon 427 Comment
  UCR209382  Cryptantha microstachys Fred M. Roberts, Linda Farley 2008-3-28 6825 Orange Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, 3.3 km east-northeast of Robbers Peak on ridge north of canyon 427 Comment
  UCR209385  Calochortus catalinae Fred M. Roberts 2008-3-25 6791 Orange Loma Ridge, Upper Hicks Canyon near Haul Road, c. 4.4 km by road from Portola Parkway, and 3.2 km east northeast Rattlesnake Canyon Reservoir 269 Comment
  UCR209386  Cryptantha clevelandii Fred M. Roberts 2008-3-19 6782 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west of the Marine Institute, Dana Point Harbor 45 Comment
  UCR209522  Melica imperfecta Fred M. Roberts 2008-4-16 6906 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west of the Marine Institute, Dana Point Harbor 45 Comment
  UCR209659  Chaenactis glabriuscula var. glabriuscula Fred M. Roberts 2008-5-16 6975 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, along north slopes above Dana Strand Beach, 0.8 km west-northwest of the Marine Institute, Dana Point Harbor 45 Comment
  UCR209660  Ambrosia chamissonis Fred M. Roberts 2008-5-16 6976 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, along north slopes above Dana Strand Beach, 0.8 km west-northwest of the Marine Institute, Dana Point Harbor 45 Comment
  UCR209661  Malacothrix saxatilis var. saxatilis Fred M. Roberts 2008-5-16 6978 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, along north slopes above Dana Strand Beach, 0.8 km west-northwest of the Marine Institute, Dana Point Harbor 45 Comment
  UCR209663  Osmadenia tenella Fred M. Roberts 2008-5-16 6984 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve north of Marguerita Drive, 0.5 km west-northwest of the Marine Institute, Dana Point Harbor 75 Comment
  UCR209664  Sambucus nigra Fred M. Roberts 2008-5-8 6944 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve near Strands Road Gate, 0.8 km west-northwest of the Marine Institute, Dana Point Harbor 65 Comment
  UCR209667  Claytonia parviflora subsp. parviflora Fred M. Roberts 2008-4-16 6905 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west of the Marine Institute, Dana Point Harbor 45 Comment
  UCR215276  Calochortus catalinae Fred M. Roberts 2008-5-7 6938 Orange Lomas de Santiago, Limestone Ridge between Dripping Spring and Limestone Canyon, 3.5 km NW of Bolero Lookout and 1.7 km east of Bee Peak. Irvine Ranch Conservancy 481 Comment
  UCR215278  Agrostis pallens Fred M. Roberts 2008-5-14 6968 Orange Lomas de Santiago, Loma Ridge, upper Bee Flat Canyon below Loma Ridge Road, 1.3 km north of Bee Peak and 5.4 km NW of Bolero Lookout. Irvine Ranch Conservancy 377 Comment
  UCR215279  Antirrhinum coulterianum Fred M. Roberts 2008-5-14 6966 Orange Lomas de Santiago, Loma Ridge, upper Bee Flat Canyon below Loma Ridge Road, 1.3 km north of Bee Peak and 5.4 km NW of Bolero Lookout. Irvine Ranch Conservancy 377 Comment
  UCR215280  Muhlenbergia microsperma Fred M. Roberts 2008-3-27 6811 Orange South Coast, Dana Point; Dana Point Headlands, Center for Natural Lands Mgmt. Preserve near Outlook 1, 0.5 km west of Marine Institute, Dana Point Harbor 45 Comment
  UCR215281  Cleome isomeris Fred M. Roberts 2008-3-27 6812 Orange South Coast, Dana Point; Dana Point Headlands, Center for Natural Lands Mgmt. Preserve near Outlook 1, 0.5 km west of Marine Institute, Dana Point Harbor 45 Comment
  UCR215283  Mimulus brevipes Fred M. Roberts 2008-5-14 6965 Orange Lomas de Santiago, Loma Ridge, upper Bee Flat Canyon below Loma Ridge Road, 1.3 km north of Bee Peak and 5.4 km NW of Bolero Lookout. Irvine Ranch Conservancy 337 Comment
  UCR215284  Erigeron foliosus var. foliosus Fred M. Roberts 2008-5-14 6964 Orange Lomas de Santiago, Loma Ridge, upper Bee Flat Canyon below Loma Ridge Road, 1.3 km north of Bee Peak and 5.4 km NW of Bolero Lookout. Irvine Ranch Conservancy 337 Comment
  UCR215287  Cuscuta subinclusa Fred M. Roberts, D. E. Bramlet 2008-5-13 6958 Orange Lomas de Santiago, Loma Ridge, north end, west of Sheriff Rd., 1.4 km SE of Peters Canyon Reservoir dam. Irvine Ranch Conservancy 263 Comment
  UCR215290  Calyptridium monandrum Fred M. Roberts, D. E. Bramlet 2008-5-13 6954 Orange Santa Ana Mountains, upper Weir Canyon, central fork, 3.5 km NE of Robbers Peak 369 Comment
  UCR215291  Aristida adscensionis Fred M. Roberts, D. E. Bramlet 2008-5-13 6953 Orange Santa Ana Mountains, upper Weir Canyon, central fork, 3.5 km NE of Robbers Peak 369 Comment
  UCR215293  Argemone munita Fred M. Roberts 2008-5-20 6992 Orange Lomas de Santiago, Santiago Creek wash north of Hangman Tree Road near confluence of Pancho Canyon, 1.6 km NW of Bolero Lookout. Irvine Ranch Conservancy. 349 Comment
  UCR215294  Populus fremontii subsp. fremontii Fred M. Roberts 2008-5-20 6991 Orange Lomas de Santiago, Santiago Creek wash north of Hangman Tree Road near confluence of Pancho Canyon, 1.6 km NW of Bolero Lookout. Irvine Ranch Conservancy. 349 Comment
  UCR215296  Galium parisiense Fred M. Roberts 2008-5-20 7133 Orange Lomas de Santiago, Loma Ridge, upper Limestone Canyon, 0.8 km NW of Bolero Spring and 3.1 km WNW of Bolero Lookout. Irvine Ranch Conservancy 467 Comment
  UCR215297  Elymus glaucus var. glaucus Fred M. Roberts 2008-5-7 6940 Orange Lomas de Santiago, Limestone Ridge between Dripping Spring and Limestone Canyon, 3.5 km NW of Bolero Lookout and 1.7 km east of Bee Peak. Irvine Ranch Conservancy 481 Comment
  UCR215298  Triodanis biflora Fred M. Roberts 2008-4-24 6931 Orange Lomas de Santiago, Loma Ridge, lower Hicks Canyon 350 m east of Haul Rd., 1.9 km east of Rattlesnake Cyn. Reservoir dam and 2.1 km west of Bee Peak, Irvine Ranch Conservancy 180 Comment
  UCR215300  Dudleya multicaulis Fred M. Roberts 2008-4-23 6925 Orange Lomas de Santiago, Loma Ridge, north end along Sheriff Rd., 1.6 km SE of Peters Canyon Reservoir dam 340 Comment
  UCR215302  Crassula tillaea Fred M. Roberts 2008-3-27 6807 Orange South Coast, Dana Point; Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west Marine Institute, Dana Point Harbor 75 Comment
  UCR215303  Argyranthemum foeniculaceum Fred M. Roberts 2008-3-27 6814 Orange South Coast, Dana Point; Dana Point Headlands, Center for Natural Lands Mgmt. Preserve near Outlook 1, 0.5 km west of Marine Institute, Dana Point Harbor 45 Comment
  UCR215305  Cardionema ramosissimum Fred M. Roberts, Eliza L. Maher 2008-3-26 6794 Orange South Coast, Dana Point; Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west of Marine Institute, Dana Point Harbor 60 Comment
  UCR215306  Salvia columbariae Fred M. Roberts, Eliza L. Maher 2008-3-26 6795 Orange South Coast, Dana Point; Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west of Marine Institute, Dana Point Harbor 60 Comment
  UCR215308  Descurainia pinnata subsp. halictorum Fred M. Roberts, Eliza L. Maher 2008-3-26 6797 Orange South Coast, Dana Point; Dana Point Headlands, Center for Natural Lands Mgmt. Preserve near Strands Road gate, 0.8 km west of Marine Institute, Dana Point Harbor 71 Comment
  UCR215309  Baccharis salicifolia Fred M. Roberts, Eliza L. Maher 2008-3-26 6799 Orange South Coast, Dana Point; Dana Point Headlands, Center for Natural Lands Mgmt. Preserve near Strands Road gate, 0.8 km west of Marine Institute, Dana Point Harbor 71 Comment
  UCR215310  Phacelia distans Fred M. Roberts 2008-3-26 6800 Orange South Coast, Dana Point; Dana Point Headlands, Center for Natural Lands Mgmt. Preserve near NE gate, 0.5 km west of Marine Institute, Dana Point Harbor 75 Comment
  UCR215311  Camissonia bistorta Fred M. Roberts 2008-3-27 6802 Orange South Coast, Dana Point; Dana Point Headlands, Center for Natural Lands Mgmt. Preserve near NE gate, 0.5 km west of Marine Institute, Dana Point Harbor 75 Comment
  UCR215313  Pseudognaphalium stramineum Fred M. Roberts 2008-3-27 6804 Orange South Coast, Dana Point; Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west Marine Institute, Dana Point Harbor 75 Comment
  UCR217667  Juncus macrophyllus Fred M. Roberts, R. E. Riefner Jr. 2008-5-30 7024 Orange South Coast, Lomas de Santiago, Loma Ridge, Hanging Man's Tree Canyon, along Hanging Man's Tree Canyon Road, c. 0.4 km west of Santiago Canyon Road and 1.23 km north of Bolero Lookout 372 Comment
  UCR217668  Juncus textilis Fred M. Roberts, R. E. Riefner Jr. 2008-5-30 7023 Orange South Coast, Lomas de Santiago, Loma Ridge, Hanging Man's Tree Canyon, along Hanging Man's Tree Canyon Road, c. 0.4 km west of Santiago Canyon Road and 1.23 km north of Bolero Lookout 372 Comment
  UCR217670  Juncus arcticus var. balticus Fred M. Roberts, R. E. Riefner Jr. 2008-5-30 7021 Orange South Coast, Lomas de Santiago, Loma Ridge, Hanging Man's Tree Canyon, along Hanging Man's Tree Canyon Road, c. 0.4 km west of Santiago Canyon Road and 1.23 km north of Bolero Lookout 372 Comment
  UCR217672  Mentzelia micrantha Fred M. Roberts 2008-5-28 7011 Orange South Coast, Lomas de Santiago, Loma Ridge, south fork of Rattlesnake Canyon, 2.0 km above Rattesnake Reservoir dam and 2.2 km west northwest of Bee Peak 230 Comment
  UCR217673  Acourtia microcephala Fred M. Roberts 2008-5-27 7005 Orange Peninsular Range; Santa Ana Mountains Foothills, Lomas de Santiago, Loma Ridge, Hicks Canyon, c. 0.2 km beyond Hicks Canyon Gate, 2.2 km west-northwest of Bee Peak, Irvine Ranch Conservancy 213 Comment
  UCR217675  Calochortus weedii var. intermedius Fred M. Roberts 2008-5-27 7003 Orange Peninsular Range; Santa Ana Mountains Foothills, Lomas de Santiago, Loma Ridge, Hicks Canyon, c. 0.2 km beyond Hicks Canyon Gate, 2.2 km west-northwest of Bee Peak, Irvine Ranch Conservancy 213 Comment
  UCR219853  Gilia angelensis Fred M. Roberts 1999-4-26 5199 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, tributary to Santiago Canyon Wash on ridge between Limestone Cyn and the wash, 1.4 km SE Silverado School, 2.7 km north Bolero Lookout 358 Comment
  UCR219854  Calochortus weedii var. intermedius Fred M. Roberts 2008-6-3 7025 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, East Fork Rattlesnake Canyon, c. 2.3 km ENE Rattlesnake Reservoir spillway and 2.2 km ENE Bee Peak 217 Comment
  UCR223955  Chorizanthe procumbens Fred M. Roberts 2008-4-2 6842 Orange South Coast, Dana Point; Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, south of NE gate along bluff, 0.5 km west of Marine Institute, Dana Point Harbor 45 Comment
  UCR223956  Isocoma menziesii var. sedoides Fred M. Roberts 2008-10-9 7123 Orange South Coast, Dana Point, Dana Point Headlands, CNLM Preserve, base of cliff adjacent to Dana Strands Beach, 0.8 km west northwest of Marine Institute, Dana Point Harbor 3 Comment
  UCR223957  Heteromeles arbutifolia Fred M. Roberts 2008-4-9 6884 Orange South Coast, Dana Point, Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8 km west northwest of Marine Institute, Dana Point Harbor 65 Comment
  UCR223958  Castilleja exserta subsp. exserta Fred M. Roberts 2008-4-9 6866 Orange South Coast, Dana Point, Dana Point Headlands, CNLM Preserve, near Outlook 2, 0.7 km west of Marine Institute, Dana Point Harbor 52 Comment
  UCR223959  Stipa pulchra Fred M. Roberts 2008-4-9 6863 Orange South Coast, Dana Point, Dana Point Headlands, CNLM Preserve, near Outlook 2, 0.7 km west of Marine Institute, Dana Point Harbor 52 Comment
  UCR223962  Stylocline gnaphaloides Fred M. Roberts 2008-4-9 6856 Orange South Coast, Dana Point, Dana Point Headlands, CNLM Preserve, near Outlook 2, 0.7 km west of Marine Institute, Dana Point Harbor 52 Comment
  UCR223965  Opuntia littoralis Fred M. Roberts 2008-10-27 7127 Orange South Coast, Dana Point, Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8 km west northwest of Marine Institute, Dana Point Harbor 65 Comment
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Nov 20 2018
  UCR223966  Amblyopappus pusillus Fred M. Roberts 2008-4-9 6862 Orange South Coast, Dana Point, Dana Point Headlands, CNLM Preserve, near Outlook 2, 0.7 km west of Marine Institute, Dana Point Harbor 52 Comment
  UCR224153  Stephanomeria exigua subsp. exigua Fred M. Roberts 2008-7-10 7065 Orange South Coast, Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8 km west-northwest of Marine Institute, Dana Point Harbor 65 Comment
  UCR224154  Solanum douglasii Fred M. Roberts 2008-5-27 7001 Orange South Coast, Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8 km west norhwest of Marine Institute, Dana Point Harbor 75 Comment
  UCR224155  Ambrosia psilostachya Fred M. Roberts 2008-7-10 7066 Orange South Coast, Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8 km west norhwest of Marine Institute, Dana Point Harbor 45 Comment
  UCR224157  Corethrogyne filaginifolia var. virgata Fred M. Roberts 2008-7-10 7072 Orange South Coast, Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8 km west norhwest of Marine Institute, Dana Point Harbor 45 Comment
  UCR224158  Datura wrightii Fred M. Roberts 2008-7-10 7075 Orange South Coast, Dana Point Headlands, CNLM Preserve, near Outlook 2, 0.7 km west of Marine Institute, Dana Point Harbor 52 Comment
  UCR224160  Hesperocnide tenella Fred M. Roberts 2008-3-19 6785 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west of the Marine Institute, Dana Point Harbor 60 Comment
  UCR224161  Antirrhinum nuttallianum subsp. subsessile Fred M. Roberts 2008-3-19 6784 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west of the Marine Institute, Dana Point Harbor 45 Comment
  UCR224163  Claytonia parviflora subsp. parviflora Fred M. Roberts 2008-3-19 6779 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west of the Marine Institute, Dana Point Harbor 45 Comment
  UCR224164  Quercus dumosa Fred M. Roberts 2008-9-10 7097 Orange South Coast, Dana Point, Dana Point Headlands, CNLM Preserve, north of Marguerita Drive, 0.5 km west northwest Marine Institute, Dana Point Harbor Comment
  UCR224165  Dudleya pulverulenta subsp. pulverulenta Fred M. Roberts 2008-7-10 7076 Orange South Coast, Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8 km west-northwest of Marine Institute, Dana Point Harbor 65 Comment
  UCR224166  Cylindropuntia prolifera Fred M. Roberts, Carol A. Roberts 2008-9-28 7117 Orange South Coast, Dana Point, Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8 km west northwest of Marine Institute, Dana Point Harbor 65 Comment
  UCR224167  Conyza coulteri Fred M. Roberts, Carol A. Roberts 2008-9-28 7111 Orange South Coast, Dana Point, Dana Point Headlands, CNLM Preserve near northeast Gate, 0.5 km west Marine Institute, Dana Point Harbor 75 Comment
  UCR233740  Phacelia parryi Fred M. Roberts 2008-6-26 7062 Orange Santa Ana Mtns. Foothills, Lomas de Santiago; Loma Ridge along West Loma Ridge Road, c. 1 km north of Haul Road, 2.5 km NNW of Bee Peak, Irvine Ranch Land Conservancy 382 Comment
  UCR233742  Grindelia camporum var. bracteosa Fred M. Roberts 2008-6-26 7059 Orange Santa Ana Mtns. Foothills, Lomas de Santiago; Loma Ridge along West Loma Ridge Road, c. 1 km north of Haul Road, 2.5 km NNW of Bee Peak, Irvine Ranch Land Conservancy 382 Comment
  UCR233743  Verbena lasiostachys Fred M. Roberts 2008-6-26 7058 Orange Santa Ana Mtns. Foothills, Lomas de Santiago; Loma Ridge along West Loma Ridge Road, c. 1 km north of Haul Road, 2.5 km NNW of Bee Peak, Irvine Ranch Land Conservancy 382 Comment
  UCR233745  Sambucus nigra Fred M. Roberts 2008-6-12 7039 Orange Santa Ana Mtns. Foothills, Lomas de Santiago; Loma Ridge, Shoestring Canyon, Shoestring Road near jct. with Santiago Cyn. Rd. 251 Comment
  UCR233746  Asclepias fascicularis Fred M. Roberts 2008-6-12 7041 Orange Santa Ana Mtns. Foothills, Lomas de Santiago; Loma Ridge, Shoestring Canyon, Shoestring Road near jct. with Santiago Cyn. Rd. 251 Comment
  UCR236673  Sorghum bicolor Fred M. Roberts, Sandra L. Leatherman 2008-9-17 7107 Orange Peninsular Ranges, Santa Ana River Canyon: Santa Ana River adjacent to Yorba Linda Regional Park, South of La Palma Ave. and 1.7 km ENE Imperial Hwy. bridge over river 84 Comment
  UCR236674  Sporobolus indicus Fred M. Roberts, Sandra L. Leatherman 2008-9-17 7106 Orange Peninsular Ranges, Santa Ana River Canyon: Yorba Linda Regional Park adjacent to Santa Ana River, South of La Palma Ave. and 1.7 km ENE Imperial Hwy. bridge over river 87 Comment
  UCR236675  Eragrostis pilosa Fred M. Roberts, Sandra L. Leatherman 2008-9-17 7105 Orange Peninsular Ranges, Santa Ana River Canyon: Yorba Linda Regional Park adjacent to Santa Ana River, South of La Palma Ave. and 1.7 km ENE Imperial Hwy. bridge over river 87 Comment
  UCR236676  Rosa californica Fred M. Roberts 2008-6-12 7038 Orange Santa Ana Mtns. Foothills, Lomas de Santiago; Loma Ridge, Shoestring Canyon, Shoestring Road near jct. with Santiago Cyn. Rd. 251 Comment
  UCR236677  Malephora crocea Fred M. Roberts, Lee Ann Carranza, Jeff Roseler 2008-10-9 7126 Orange South Coast, Dana Point, Dana Point Headlands, CNLM Preserve, at base of cliff along south edge, 0.7 km west of Marine Institute, Dana Point Harbor 3 Comment
  UCR236680  Pennisetum villosum Fred M. Roberts, Sandra L. Leatherman 2008-9-17 7102 Orange Peninsular Ranges, Santa Ana River Canyon: Yorba Linda Regional Park adjacent to Santa Ana River, South of La Palma Ave. and 1.7 km ENE Imperial Hwy. bridge over river 87 Comment
  UCR236682  Setaria viridis Fred M. Roberts, Sandra L. Leatherman 2008-9-17 7104 Orange Peninsular Ranges, Santa Ana River Canyon: Yorba Linda Regional Park adjacent to Santa Ana River, South of La Palma Ave. and 1.7 km ENE Imperial Hwy. bridge over river 87 Comment
  UCR239223  Salix lasiolepis var. lasiolepis Fred M. Roberts 2012-4-24 7507 Orange San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak 179 Comment
  UCR239224  Schinus terebinthifolius Fred M. Roberts 2012-4-24 7508 Orange San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak 179 Comment
  UCR239618  Ericameria palmeri var. pachylepis Fred M. Roberts 2012-4-27 7537 Orange Lomas de Santiago, Loma Ridge, west of SR 241, tributary to 'Las Flores' Canyon, 1.9 km southwest of Irvine Lake Park Campground and 1.2 km east-souteast of Orange County Emergency Operations Center, Hill 1311 350 Comment
  UCR239619  Centaurea melitensis Fred M. Roberts 2012-4-24 7518 Orange San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak 179 Comment
  UCR239620  Galium nuttallii subsp. nuttallii Fred M. Roberts 2012-4-24 7500 Orange San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak 179 Comment
  UCR239621  Calystegia macrostegia subsp. cyclostegia Fred M. Roberts 2012-4-24 7499 Orange San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak 179 Comment
  UCR239622  Eriogonum fasciculatum var. fasciculatum Fred M. Roberts 2012-4-24 7498 Orange San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak 179 Comment
  UCR239623  Acacia redolens Fred M. Roberts 2012-4-24 7497 Orange San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak 179 Comment
  UCR239624  Myoporum rapense Fred M. Roberts 2012-4-24 7496 Orange San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak 179 Comment
  UCR239627  Anagallis arvensis Fred M. Roberts 2012-4-24 7516 Orange San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak 179 Comment
  UCR239629  Phacelia parryi Fred M. Roberts 2012-4-24 7515 Orange San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak 179 Comment
  UCR239631  Salsola australis Fred M. Roberts 2012-4-24 7513 Orange San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak 179 Comment
  UCR239632  Stipa lepida Fred M. Roberts 2012-4-24 7511 Orange San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak 179 Comment
  UCR239634  Salvia mellifera Fred M. Roberts 2012-4-24 7502 Orange San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak 179 Comment
  UCR239635  Encelia californica Fred M. Roberts 2012-4-24 7503 Orange San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak 179 Comment
  UCR239636  Isomeris arborea var. arborea Fred M. Roberts 2012-4-24 7504 Orange San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak 179 Comment
  UCR239638  Avena barbata Fred M. Roberts 2012-4-24 7510 Orange San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak 179 Comment
  UCR239639  Pseudognaphalium californicum Fred M. Roberts 2012-4-24 7506 Orange San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak 179 Comment
  UCR239641  Festuca Fred M. Roberts 2012-5-9 7558 Orange Santa Ana Mountains, Lake Forest, along Serrano Creek hiking trail, 1.0 m south-southwest of intersection of Commercentre and Dimension Drives 171 Comment
  UCR239642  Alnus rhombifolia Fred M. Roberts 2012-5-9 7557 Orange Santa Ana Mountains, Lake Forest, along Serrano Creek hiking trail, 1.0 m south-southwest of intersection of Commercentre and Dimension Drives 171 Comment
  UCR239644  Koelreuteria bipinnata Fred M. Roberts 2012-5-9 7555 Orange Santa Ana Mountains, Lake Forest, along Serrano Creek hiking trail, 1.0 m south-southwest of intersection of Commercentre and Dimension Drives 171 Comment
  UCR239645  Phacelia ramosissima Fred M. Roberts 2012-5-9 7554 Orange Santa Ana Mountains, Lake Forest, along Serrano Creek hiking trail, 0.7 m south-southwest of intersection of Commercentre and Dimension Drives 152 Comment
  UCR239646  Euphorbia polycarpa var. polycarpa Fred M. Roberts 2012-5-9 7553 Orange Santa Ana Mountains, Lake Forest, near Serrano Creek utility road, 0.3 m south-southwest of intersection of Commercentre and Dimension Drives 206 Comment
  UCR239648  Myoporum Fred M. Roberts 2012-5-9 7551 Orange Santa Ana Mountains, Lake Forest, near Serrano Creek utility road, 0.3 m south-southwest of intersection of Commercentre and Dimension Drives 206 Comment
  UCR239649  Oenothera speciosa Fred M. Roberts 2012-5-9 7550 Orange Santa Ana Mountains, Lake Forest, near Serrano Creek utility road, 0.3 m south-southwest of intersection of Commercentre and Dimension Drives 206 Comment
  UCR239650  Leptosiphon floribundus subsp. floribundus Fred M. Roberts, Kay Stewart, Pamela Pallete, Bob Greenberg 2012-5-6 7549 Orange Santa Ana Mountains, Hot Springs Canyon, along San Juan Trail, 1.1 km north-northeast of San Juan Fire Station 351 Comment
  UCR239651  Antirrhinum coulterianum Fred M. Roberts, Kay Stewart, Pamela Pallete, Bob Greenberg 2012-5-6 7547 Orange Santa Ana Mountains, Hot Springs Canyon, along San Juan Trail, 1.1 km north-northeast of San Juan Fire Station 351 Comment
  UCR239653  Phacelia cicutaria var. hispida Fred M. Roberts 2012-4-27 7544 Orange Lomas de Santiago, Loma Ridge, west of SR 241, tributary to 'Las Flores' Canyon, 1.5 km west-southwest of Irvine Lake Park Campground and 1.1 km east of Orange County Emergency Operations Center, Hill 1311 311 Comment
  UCR239654  Phacelia ciliata Fred M. Roberts 2012-4-27 7543 Orange Lomas de Santiago, Loma Ridge, west of SR 241, tributary to 'Las Flores' Canyon, 1.5 km west-southwest of Irvine Lake Park Campground and 1.1 km east of Orange County Emergency Operations Center, Hill 1311 311 Comment
  UCR241897  Malva parviflora Fred M. Roberts 2012-4-24 7529 Orange Peninsular Ranges; Coastal Foothills, San Joaquin Hills, Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak 167 Comment
  UCR241900  Sambucus nigra subsp. caerulea Fred M. Roberts 2012-4-24 7519 Orange Peninsular Ranges; Coastal Foothills, San Joaquin Hills, Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak 167 Comment
  UCR241901  Salvia apiana Fred M. Roberts 2012-4-24 7528 Orange Peninsular Ranges; Coastal Foothills, San Joaquin Hills, Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak 167 Comment
  UCR241903  Glebionis coronaria Fred M. Roberts 2012-4-24 7521 Orange Peninsular Ranges; Coastal Foothills, San Joaquin Hills, Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak 167 Comment
  UCR241904  Mimulus aurantiacus var. pubescens Fred M. Roberts 2012-4-24 7522 Orange Peninsular Ranges; Coastal Foothills, San Joaquin Hills, Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak 167 Comment
  UCR241907  Brassica nigra Fred M. Roberts 2012-4-24 7526 Orange Peninsular Ranges; Coastal Foothills, San Joaquin Hills, Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak 167 Comment
  UCR241909  Lessingia filaginifolia Fred M. Roberts 2012-5-10 7567 Orange Peninsular Ranges; Coastal Foothills, San Joaquin Hills, Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km north of Pelican Hill summit 154 Comment
  UCR241912  Rhamnus ilicifolia Fred M. Roberts 2012-5-10 7562 Orange Peninsular Ranges; Coastal Foothills, San Joaquin Hills, south fork of Buck Gully, north slope Pelican Hill, 0.6 km N summit Pelican Hill, north of Pelican Hill Drive 183 Comment
  UCR241915  Quercus dumosa Fred M. Roberts 2012-5-10 7560 Orange Peninsular Ranges; Coastal Foothills, San Joaquin Hills, south fork of Buck Gully, north slope Pelican Hill, 0.6 km N summit Pelican Hill, north of Pelican Hill Drive 183 Comment
  UCR241916  Conyza coulteri Fred M. Roberts, Lee Ann Caranza 2009-9-23 7162 Orange Southern Coastal Plain, Dana Point, Dana Point Headlands, CNLM Dana Point Preserve, old Marguerite Road bed just west of the Nature Center and just east of the terminus of Dana Strands Road, 0.7 km west pier, Dana Point Harbor 73 Comment
  UCR241917  Helianthemum scoparium Fred M. Roberts 2012-5-10 7565 Orange San Joaquin Hills, Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km north of Pelican Hill summit 183 Comment
  UCR241918  Chorizanthe staticoides subsp. chrysacantha Fred M. Roberts 2012-5-10 7566 Orange Peninsular Ranges; Coastal Foothills, San Joaquin Hills, Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km north of Pelican Hill summit 154 Comment
  UCR242698  Dichondra occidentalis Fred M. Roberts 2012-5-10 7571 Orange Coastal Plains and Basins; Coastal foothills Region, SAN JOAQUIN HILLS: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit. 154 Comment
  UCR242699  Stachys rigida subsp. quercetorum Fred M. Roberts 2012-5-10 7573 Orange SAN JOAQUIN HILLS: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit 154 Comment
  UCR242700  Sanicula crassicaulis Fred M. Roberts 2012-5-10 7577 Orange SAN JOAQUIN HILLS: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit 154 Comment
  UCR242701  Galium angustifolium subsp. angustifolium Fred M. Roberts 2012-5-10 7579 Orange SAN JOAQUIN HILLS: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit 154 Comment
  UCR242702  Gazania linearis Fred M. Roberts 2012-5-10 7580 Orange SAN JOAQUIN HILLS: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit 154 Comment
  UCR242703  Quercus berberidifolia Fred M. Roberts 2012-5-10 7583 Orange SAN JOAQUIN HILLS: Buck Gully, south fork, north slope of Pelican Hill, along Pelican Hills Dr., 0.3 km N summit Pelican Hill. 189 Comment
  UCR242704  Chasmanthe floribunda Fred M. Roberts 2010-2-12 7174 Orange South Coast; San Joaquin Hills, Niguel Hill, Laguna Niguel, Sea View Park, 0.2 km WNW summit of Niguel Hill 251 Comment
  UCR242753  Bromus madritensis Fred M. Roberts 2012-5-10 7581 Orange SAN JOAQUIN HILLS: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit 154 Comment
  UCR242754  Bloomeria crocea var. crocea Fred M. Roberts 2012-5-10 7575 Orange SAN JOAQUIN HILLS: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit 154 Comment
  UCR242757  Grindelia camporum Fred M. Roberts 2012-5-10 7578 Orange SAN JOAQUIN HILLS: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit 154 Comment
  UCR246514  Quercus berberidifolia Fred M. Roberts 2013-5-30 7779 Orange Lomas de Santiago, Santiago Creek Wash, at Santiago Canyon Road bridge, south side, 0.3 km west of the junction of Silverado and Santiago Canyon Roads 299 Comment
  UCR246515  Cynodon dactylon Fred M. Roberts 2013-5-30 7778 Orange Lomas de Santiago, Santiago Creek Wash, at Santiago Canyon Road bridge, south side, 0.3 km west of the junction of Silverado and Santiago Canyon Roads 299 Comment
  UCR246516  Ceanothus spinosus Fred M. Roberts 2013-5-30 7776 Orange Lomas de Santiago, Santiago Creek Wash, at Santiago Canyon Road bridge, south side, 0.3 km west of the junction of Silverado and Santiago Canyon Roads 299 Comment
  UCR246518  Oenothera speciosa Fred M. Roberts 2013-5-15 7772 Orange San Joaquin Hills, Buck Gully, north slope, Newport Beach, near Ocean Beach Drive, 1.8 km northwest of the summit of Pelican Hill 122 Comment
  UCR246519  Ribes malvaceum var. malvaceum Fred M. Roberts, Sandra L. Leatherman 2013-2-13 7722 Orange Santa Ana Mountains, ridge south of central Santiago Canyon, near Joplin Trail, 3.7 km southeast of the town of Modjeska 800 Comment
  UCR246520  Ceanothus crassifolius Fred M. Roberts, Sandra L. Leatherman 2013-2-13 7721 Orange Santa Ana Mountains, ridge south of central Santiago Canyon, near Joplin Trail, 3.7 km southeast of the town of Modjeska 800 Comment
  UCR246521  Xylococcus bicolor Fred M. Roberts, Sandra L. Leatherman 2013-2-13 7720 Orange Santa Ana Mountains, ridge south of central Santiago Canyon, near Joplin Trail, 3.7 km southeast of the town of Modjeska 800 Comment
  UCR247871  Muhlenbergia rigens Fred M. Roberts 2012-9-6 7696 Orange SAN JOAQUIN HILLS: Buck Gully, Buck Gully Trail, west end near Poppy Street entrance, 2.1 km WNW Pelican Hill summit. 37 Comment
  UCR247872  Nasturtium officinale Fred M. Roberts 2012-9-6 7698 Orange SAN JOAQUIN HILLS: Buck Gully, Buck Gully Trail, west end near Poppy Street entrance, 2.1 km WNW Pelican Hill summit. 37 Comment
  UCR247874  Baccharis pilularis subsp. consanguinea Fred M. Roberts 2012-9-6 7702 Orange SAN JOAQUIN HILLS: Buck Gully, Buck Gully Trail, about 1.8 km NW Pelican Hill summit. 64 Comment
  UCR247875  Baccharis salicifolia Fred M. Roberts 2012-9-6 7703 Orange SAN JOAQUIN HILLS: Buck Gully, Buck Gully Trail, west end near Poppy Street entrance, 2.1 km WNW Pelican Hill summit. 37 Comment
  UCR247876  Cyperus erythrorhizos Fred M. Roberts, Laura Cohen 2012-10-31 7712 Orange San Joaquin Hills, Upper Laguna Lake, north end. Laguna Coast Wilderness Park, c. 5.1 km east northeast of Signal Hill 113 Comment
  UCR247878  Nama stenocarpa Fred M. Roberts, Laura Cohen 2012-10-31 7714 Orange San Joaquin Hills, Upper Laguna Lake, north end. Laguna Coast Wilderness Park, c. 5.1 km east northeast of Signal Hill 113 Comment
  UCR247891  Juncus patens Fred M. Roberts 2012-7-18 7662 Orange SAN JOAQUIN HILLS: Newport Beach, Buck Gully, along Buck Gully Trail, about 0.7 km from the north terminus of Poppy Street and 1.8 km WNW summit of Pelican Hill 52 Comment
  UCR247892  Malacothrix saxatilis var. tenuifolia Fred M. Roberts 2012-7-18 7661 Orange SAN JOAQUIN HILLS: Newport Beach, Buck Gully, along Buck Gully Trail, about 0.7 km from the north terminus of Poppy Street and 1.8 km WNW summit of Pelican Hill 52 Comment
  UCR247893  Epilobium canum subsp. canum Fred M. Roberts 2012-7-18 7660 Orange SAN JOAQUIN HILLS: Newport Beach, Buck Gully, along Buck Gully Trail, about 0.7 km from the north terminus of Poppy Street and 1.8 km WNW summit of Pelican Hill 52 Comment
  UCR247894  Cucurbita foetidissima Fred M. Roberts 2012-7-18 7659 Orange SAN JOAQUIN HILLS: Newport Beach, Buck Gully, along Buck Gully Trail, about 0.7 km from the north terminus of Poppy Street and 1.8 km WNW summit of Pelican Hill 52 Comment
  UCR247897  Stachys rigida var. rigida Fred M. Roberts 2013-6-12 7797 Orange Peninsular Ranges, SANTA ANA MTNS.: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 km ENE Silverado School and 1.4 km up stream Black Star Road crossing. 320 Comment
  UCR247900  Carex schottii Fred M. Roberts 2013-6-12 7794 Orange Peninsular Ranges, SANTA ANA MTNS.: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 km ENE Silverado School and 1.4 km up stream Black Star Road crossing. 320 Comment
  UCR247901  Cyperus involucratus Fred M. Roberts 2013-6-12 7793 Orange Peninsular Ranges, SANTA ANA MTNS.: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 km ENE Silverado School and 1.4 km up stream Black Star Road crossing. 320 Comment
  UCR247903  Torilis arvensis Fred M. Roberts 2013-6-12 7791 Orange Peninsular Ranges, SANTA ANA MTNS.: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 km ENE Silverado School and 1.4 km up stream Black Star Road crossing. 320 Comment
  UCR247904  Galium angustifolium Fred M. Roberts 2013-6-12 7790 Orange Peninsular Ranges, SANTA ANA MTNS.: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 km ENE Silverado School and 1.4 km up stream Black Star Road crossing. 320 Comment
  UCR247907  Hoita macrostachya Fred M. Roberts 2013-6-12 7785 Orange Peninsular Ranges, SANTA ANA MTNS.: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 km ENE Silverado School and 1.4 km up stream Black Star Road crossing. 320 Comment
  UCR247912  Typha domingensis Fred M. Roberts 2012-7-18 7651 Orange SAN JOAQUIN HILLS: Newport Beach, Buck Gully, west end, just east of north terminus of Poppy Street and 2.2 km WNW summit of Pelican Hill 39 Comment
  UCR247915  Bromus catharticus Fred M. Roberts 2012-7-18 7678 Orange SAN JOAQUIN HILLS: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus of Poppy Street and 2.1 km WNW summit of Pelican Hill 37 Comment
  UCR247916  Salix exigua Fred M. Roberts 2012-7-18 7675 Orange SAN JOAQUIN HILLS: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus of Poppy Street and 2.1 km WNW summit of Pelican Hill 37 Comment
  UCR247917  Eleocharis palustris Fred M. Roberts 2012-7-18 7674 Orange SAN JOAQUIN HILLS: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus of Poppy Street and 2.1 km WNW summit of Pelican Hill 37 Comment
  UCR247918  Schoenoplectus americanus Fred M. Roberts 2012-7-18 7673 Orange SAN JOAQUIN HILLS: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus of Poppy Street and 2.1 km WNW summit of Pelican Hill 37 Comment
  UCR247919  Iva hayesiana Fred M. Roberts 2012-7-18 7670 Orange SAN JOAQUIN HILLS: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus of Poppy Street and 2.1 km WNW summit of Pelican Hill 37 Comment
  UCR247920  Artemisia palmeri Fred M. Roberts 2012-7-18 7669 Orange SAN JOAQUIN HILLS: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus of Poppy Street and 2.1 km WNW summit of Pelican Hill 37 Comment
  UCR258349  Acmispon americanus var. americanus Fred M. Roberts 2014-4-21 7853 Orange South Coast, SAN JOAQUIN HILLS: Laguna Lake 1 (Upper Laguna Lake), south basin 113 Comment
  UCR258350  Malvella leprosa Fred M. Roberts 2014-4-21 7849 Orange South Coast, SAN JOAQUIN HILLS: Laguna Lake 1 (Upper Laguna Lake), south basin 113 Comment
  UCR258351  Cressa truxillensis Fred M. Roberts 2014-4-21 7848 Orange South Coast, SAN JOAQUIN HILLS: Laguna Lake 1 (Upper Laguna Lake), south basin 113 Comment
  UCR258354  Schoenoplectus californicus Fred M. Roberts 2014-4-21 7873 Orange South Coast, SAN JOAQUIN HILLS: Laguna Lake 1 (Upper Laguna Lake), south basin 113 Comment
  UCR258357  Rumex stenophyllus Fred M. Roberts 2014-4-21 7857 Orange South Coast, SAN JOAQUIN HILLS: Laguna Lake 1 (Upper Laguna Lake), south basin 113 Comment
  UCR258622  Erigeron bonariensis Fred M. Roberts 2014-7-25 7886 Orange South Coast, SAN JOAQUIN HILLS: Upper Laguna Canyon, Laguna Lake 1 (Upper Laguna Lake), north basin, c.a. 5.1 kn ENE summit Signal Hill. Laguna Coast Wilderness Park 113 Comment
  UCR258625  Cuscuta campestris Fred M. Roberts 2014-7-25 7890 Orange South Coast, SAN JOAQUIN HILLS: Upper Laguna Canyon, Laguna Lake 1 (Upper Laguna Lake), north basin, c.a. 5.1 kn ENE summit Signal Hill. Laguna Coast Wilderness Park 113 Comment
  UCR258626  Urtica dioica Fred M. Roberts 2014-7-25 7892 Orange South Coast, SAN JOAQUIN HILLS: Upper Laguna Canyon, Laguna Lake 1 (Upper Laguna Lake), north basin, c.a. 5.1 kn ENE summit Signal Hill. Laguna Coast Wilderness Park 113 Comment
  UCR258627  Salix gooddingii Fred M. Roberts 2014-4-21 7855 Orange South Coast, SAN JOAQUIN HILLS: Laguna Lake 1 (Upper Laguna Lake), south basin 113 Comment
  UCR258628  Melilotus indicus Fred M. Roberts 2014-4-21 7854 Orange South Coast, SAN JOAQUIN HILLS: Laguna Lake 1 (Upper Laguna Lake), south basin 113 Comment
  UCR266665  Koelreuteria bipinnata Fred M. Roberts, Sandra L. Leatherman 2008-9-3 7081 Orange YORBA LINDA: Santa Ana River Canyon, Santa Ana River, 0.6 km W Gypsum Cyn. bridge, south of La Palma Ave 113 Comment
  UCR266666  Bacopa monnieri Fred M. Roberts, Sandra L. Leatherman 2008-9-3 7090 Orange YORBA LINDA: Santa Ana River Canyon, Santa Ana River, 0.6 km W Gypsum Cyn. bridge, south of La Palma Ave 113 Comment
  UCR267182  Croton californicus Fred M. Roberts 2010-3-12 7185 Orange Southeast Coast, DANA POINT HEADLANDS: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c. 150 meters SE Interpretive Center 50 Comment
  UCR267183  Mirabilis laevis var. crassifolia Fred M. Roberts 2010-3-12 7178 Orange Southeast Coast, DANA POINT HEADLANDS: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c. 150 meters SE Interpretive Center 50 Comment
  UCR267184  Encelia californica Fred M. Roberts 2010-3-12 7177 Orange Southeast Coast, DANA POINT HEADLANDS: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c. 150 meters SE Interpretive Center 50 Comment
  UCR267187  Cryptantha clevelandii Fred M. Roberts 2010-3-12 7179 Orange Southeast Coast, DANA POINT HEADLANDS: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c. 150 meters SE Interpretive Center 50 Comment
  UCR267189  Camissonia cheiranthifolia subsp. suffruticosa Fred M. Roberts 2010-3-12 7181 Orange Southeast Coast, DANA POINT HEADLANDS: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c. 150 meters SE Interpretive Center 50 Comment
  UCR267190  Descurainia pinnata subsp. halictorum Fred M. Roberts 2010-3-12 7183 Orange Southeast Coast, DANA POINT HEADLANDS: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c. 150 meters SE Interpretive Center 50 Comment
  UCR267191  Rhus integrifolia Fred M. Roberts 2010-3-12 7184 Orange Southeast Coast, DANA POINT HEADLANDS: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c. 150 meters SE Interpretive Center 50 Comment
  UCR267210  Logfia arizonica Fred M. Roberts, Megan Lulow 2009-3-18 7135 Orange Santa Ana Mtns., LOMAS DE SANTIAGO: Loma Ridge, Lower Hicks Canyon, about 350 meters from south side of Haul Road, 1.9 km E Rattlesnake Cyn. Reservoir Dam and 2.1 km W Bee Peak 172 Comment
  UCR267211  Convolvulus simulans Fred M. Roberts, Megan Lulow 2009-3-18 7136 Orange Santa Ana Mtns., LOMAS DE SANTIAGO: Loma Ridge, Lower Hicks Canyon, about 350 meters from south side of Haul Road, 1.9 km E Rattlesnake Cyn. Reservoir Dam and 2.1 km W Bee Peak 172 Comment
  UCR267213  Nicotiana clevelandii Fred M. Roberts, Lee Ann Caranza 2009-4-7 7140 Orange South Coastal Region, DANA POINT HEADLANDS: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor 60 Comment
  UCR267214  Festuca octoflora var. octoflora Fred M. Roberts, Lee Ann Caranza & Eliza Maher 2009-4-7 7145 Orange South Coast Region, DANA POINT HEADLANDS: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor 50 Comment
  UCR267215  Camissonia micrantha Fred M. Roberts, Lee Ann Caranza 2009-4-7 7143 Orange South Coast Region, DANA POINT HEADLANDS: Dana Point CNLM Preserve, 0.5 km WNW Dana Point Marine Institute at Dana Point Harbor, near Interpretive Center 70 Comment
  UCR267216  Logfia filaginoides Fred M. Roberts, Lee Ann Caranza & Eliza Maher 2009-4-7 7146 Orange South Coast Region, DANA POINT HEADLANDS: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor 50 Comment
  UCR267217  Deinandra paniculata Fred M. Roberts 2014-7-25 7882 Orange South Coastal Plain, SAN JOAQUIN HILLS: Laguna Canyon, Nix Nature Center, Laguna Coast Wilderness Park, about 4.4 km E Signal Peak 126 Comment
  UCR267221  Baccharis sarothroides Fred M. Roberts, Sandra L. Leatherman 2008-9-3 7093 Orange Santa Ana River Canyon, YORBA LINDA: intersection of La Palma Ave. and Mercado del Rio Street 135 Comment
  UCSB36120  Polypogon monspeliensis Roberts, Dar 1980-5-4 Orange North end of Camino Capistrano Rd., 2nd telephone pole from the end (near the sewage treatment plant) 30 Comment
  UCSB47578  Eriophyllum confertiflorum Roberts, Fred 1980-4-3 Orange San Juan Canyon, Hwy. 74, bank across from entrance to Lower San Juan Picnic Ground, Santa Ana Mountains 410 Comment
  UCSB47579  Vicia americana Roberts, Fred 1980-4-3 Orange San Juan Canyon, Hwy. 74, bank across from entrance to Lower San Juan Picnic Ground, Santa Ana Mountains 410 Comment
  UCSB47580  Lathyrus vestitus var. vestitus Roberts, Fred 1980-4-3 Orange San Juan Canyon, Hwy. 74, 0.4 km. NNE Lower San Juan Picnic Ground, Santa Ana Mtns. 420 Comment
  UCSB47581  Bromus madritensis subsp. rubens Roberts, Fred 1980-4-3 Orange Along Hwy 74, 0.2 km SW of Orange-Riverside Co. line, 0.4 km NNE Lower San Juan Picnic Ground, San Juan Cyn; Santa Ana Mtns 128 Comment
  UCSB47583  Melica imperfecta Roberts, Fred 1980-4-3 Orange Highway 74; 0.2 km. SW of Orange-Riverside Co. line; 0.4 km. NNE Lower San Juan Picnic Ground, San Juan Cyn., Santa Ana Mountains 420 Comment
  UCSB47584  Pseudognaphalium californicum Roberts, Jr., Fred 1980-4-3 Orange Along Highway 74, 0.2 km. SW of Orange-Riverside Co. line, 0.4 km. NNE Lower San Juan Picnic Ground 420 Comment
  UCSB47590  Lupinus sparsiflorus Roberts, Jr., Fred 1980-5-3 Orange Santa Ana Mtns., San Juan Canyon, Rte. 74, 0.6 km. E San Juan Guard Station 238 Comment
  UCSB47591  Scrophularia californica Roberts, Fred 1980-4-5 Orange Highway 74, San Juan Canyon, 0.4km sw Lower San Juan Picnic Ground, Santa Ana Mountains, 390 Comment
  UCSB47593  Rhus ovata Roberts, Fred 1980-4-5 Orange Highway 74, San Juan Canyon, 0.4 km. SW Lower San Juan Picnic Ground, Santa Ana Mountains 390 Comment
  UCSB47595  Juglans californica Roberts, Fred 1980-4-5 Orange Highway 74; San Juan Canyon; 0.4km sw Lower San Juan Picnic Ground; Santa Ana Mountains 390 Comment
  UCSB47608  Polypodium californicum Roberts, Fred 1980-5-3 Orange Santa Ana Mtns., San Juan Cayon near mouth of Viejo Canyo, below Rte. 74, 2.5km by road ENE San Juan Guard Station, 0.5km WSW Bm 1100 288 Comment
  UCSB47609  Lupinus truncatus Roberts, Fred 1980-5-3 Orange Main Divide Truck Trail, 0.4 km. NNE Falcon Group Camp (near Blue Jay CG); Santa Ana Mountains 1067 Comment
  UCSB47613  Lupinus hirsutissimus Roberts, Fred 1980-5-3 Orange Main Divide Truck Trail, 0.4 km. NNE Falcon Group Camp (near Blue Jay CG); Santa Ana Mountains 1067 Comment
  UCSB47614  Aspidotis californica Roberts, Fred 1980-5-3 Orange Santa Ana Mtns., San Juan Canyon near mouth of Viejo Canyon; below Rte. 74, 2.5km by road ENE San Juan Guard Station; 0.5km WSW Bm 1100 335 Comment
  UCSB47619  Festuca myuros Roberts, Fred 1980-4-3 Orange Hills; 1.0km NE Dana Hills High School; Dana Point 75 Comment
  UCSB47626  Lupinus bicolor Roberts, Fred 1980-5-3 Orange Santa Ana Mountains: Main Divide Truck Trail, 1.1 km. SE Blue Jay Campground; 2.6 km. WSW El Cariso Guard Station 902 Comment
  UCSB47628  Eriodictyon crassifolium Roberts, Jr., Fred 1980-5-3 Orange Santa Ana Mtns.; Main Divide Truck Trail, 1.1 km. SE Blue Jay Campground; 2.6 km. WSW El Cariso Guard Station 902 Comment
  UCSB47630  Cryptantha intermedia Roberts, Jr., Fred 1980-5-3 Orange Santa Ana Mtns.: 1.0 km. SE Blue Jay Campground; 2.8 km. SW El Cariso Guard Station 1010 Comment
  UCSB47631  Lupinus excubitus Roberts, Fred 1980-5-3 Orange Main Divide Truck Trail; on north side of road; 0.4 km. NNE Falcon Group Camp (near Blue Jay CG); Santa Ana Mtns. 1067 Comment
  UCSB47634  Pinus coulteri Roberts, Fred 1980-5-3 Orange On west side of road; Main Divide Truck Trail, 0.6 km. southeast of Trabuco Peak, Santa Ana Mtns. 1259 Comment
Read comments
Nov 8 2007
  UCSB47635  Linanthus californicus Roberts, Fred 1980-5-3 Orange Main Divide Truck Trail, on north side of road, 0.3km SE Trabuco Peak, Santa Ana Mtns. 1340 Comment
Read comments
Jan 23 2015
  UCSB47637  Ribes malvaceum var. viridifolium Roberts, Fred 1980-5-3 Orange Main Divide Truck Trail; 0.2km west of Trabuco Peak; Santa Ana Mtns 1347 Comment
  UCSB47641  Ceanothus leucodermis Roberts, Fred 1980-5-3 Orange Main Divide Truck Trail on fire break, 1.6km WNW Trabuco Peak, Santa Ana Mtns., 1295 Comment
  UCSB47643  Tauschia arguta Roberts, Fred 1980-5-3 Orange On fire break east of Main Drive Truck Trail, 1.2 km. west of Trabuco Pk., Santa Ana Mtns. 1387 Comment
  UCSB47644  Quercus wislizeni var. frutescens Roberts, Fred 1980-5-3 Orange Main Divide Truck Trail, 1.7km w. Trabuco Pk., Santa Ana Mtns. 1268 Comment
  UCSB47944  Echinochloa crus-galli Roberts, D. 1980-5-4 Orange Camino Capistrano Rd below bridge (Crown Valley Pkwy) 30 Comment
  UCSB47945  Paspalum distichum Roberts, Dar 1980-5-4 Orange Camino Capistrano Rd. below bridge. (Crown Valley Pkwy) 30 Comment
  UCSB47946  Nassella lepida Roberts, Dar 1980-5-3 Orange Roadside 111 on hwy. 74 340 Comment
  UCSB47948  Bromus carinatus Roberts, Dar 1980-5-3 Orange 2.0 km NW of jct between Hwy 74 and Main Divide Truck Trail 960 Comment
  UCSB47949  Festuca microstachys Roberts, D. 1980-5-3 Orange .25 km West Trabuco Peak; on Main Divide Truck Trail 1340 Comment
  UCSB47950  Bromus carinatus Roberts, Dar 1980-5-3 Orange 0.48 W Trabuco Peak on Main Divide Truck Trail 1340 Comment
  UCSB47951  Bromus tectorum Roberts, Dar 1980-5-3 Orange 1.8 km W Trabuco Peak on Main Divide Truck Trail;, and Trail Trail 1256 Comment
  UCSB47954  Distichlis spicata Roberts, D. 1980-5-4 Orange North end of Camino Capistrano Rd; 2nd telephone pole from the end 30 Comment
  UCSB47967  Elymus glaucus Roberts, Fred 1980-5-3 Orange Main Divide Truck Trail; 2.0km WNW of Trabuco Peak; Santa Ana Mountains 1234 Comment
  UCSB47969  Peritoma arborea Roberts, Jr., Fred 1980-2-17 Orange Dana bluffs along Scenic Drive Road, northwest of and above Dana Point Harbor, Dana Point 58 Comment
  UCSB47975  Acmispon glaber Roberts, Jr., Fred 1980-2-17 Orange Along Dana Strand road on the north side, on the bluff west of Dana Marina, Dana Point 56 Comment
  UCSB47980  Baccharis salicifolia Roberts, Fred 1980-2-17 Orange Along Camino Capistrano, 1.0 km. south of Avary Parkway, southern Mission Viejo 48 Comment
  UCSB47987  Alnus rhombifolia Roberts, Jr., Fred 1980-6-25 Orange Santa Ana Mtns., San Juan Canyon below Calif. Rte. 74, 2.4 km. ENE San Juan Guard Station; 0.3 km. WSW BM 1100 290 Comment
  UCSB47990  Juncus rugulosus Roberts, Fred 1980-6-25 Orange Santa Ana Mtns; San Juan Canyon below Calif. Rte. 74; 2.4km ENE San Juan Guard Station; 0.3 km WSW BM 1100 290 Comment
  UCSB47991  Mimulus floribundus Roberts, Fred 1980-7-7 Orange Santa Ana Mtns; San Juan Cyn; Hwy 74; 2.3km ENE San Juan Guard Station; 0.4km W Bench Mark 1100 315 Comment
  UCSB47993  Scirpus microcarpus Roberts, Fred 1980-6-25 Orange Santa Ana Mtns.; San Juan Canyon below Calif. Rte. 74; 2.4 km. ENE San Juan Guard Station; 0.3 km. WSW BM 1100 290 Comment
  UCSB47994  Acmispon heermannii Roberts, Jr., Fred 1980-7-7 Orange Santa Ana Mtns.; San Juan Canyon, Calif. Rte. 74; 2.2 km. ENE San Juan Guard Station; 0.6 km W Bench Mark 1100 305 Comment
  UCSB47997  Lonicera subspicata var. denudata Roberts, Jr., Fred 1980-7-7 Orange Santa Ana Mtns.; San Juan Canyon, Hwy. 74, 2.4 km. ENE San Juan Guard Station; 0.3 km. W bench mark 1100 345 Comment
  UCSB48000  Keckiella cordifolia Roberts, Fred 1980-7-7 Orange Santa Ana Mtns; San Juan Canyon; Hwy 74; 2.4km ENE San Juan Guard Station; 0.3km W Benchmark 1100 345 Comment
  UCSB48005  Eriastrum sapphirinum subsp. dasyanthum Roberts, Fred 1980-6-29 Orange Santa Ana Mtns., Viejo Canyon, 0.4 km. N Calif. Rte. 74; 2.2 km. ENE San Juan Guard Station 341 Comment
  UCSB48007  Eriogonum gracile Roberts, Fred 1980-6-29 Orange Santa Ana Mtns; Viejo Canyon; 0.4km N Calif. Rte 74; 2.2km ENE San Juan Guard Station 341 Comment
  UCSB48012  Pseudognaphalium microcephalum Roberts, Jr., Fred 1980-9-14 Orange Santa Ana Mtns.; San Juan Canyon, 0.6 km. SW Lower San Juan Picnic Ground; 1.9 km. WNW Sitton Peak 410 Comment
  UCSB48014  Croton setiger Roberts, Fred 1980-9-14 Orange Santa Ana Mtns.; San Juan Canyon, 0.6 km. SW Lower San Juan Picnic Ground; 1.9 km. WNW Sitton Peak 410 Comment
  UCSB48018  Ceanothus crassifolius Roberts, Fred 1981-4-11 Orange Santa Ana Mtns., Long Cyn., 2.3km SE Blue Jay Campground, along forestry road, 1.0km W Hwy 74, 243 Comment
  UCSB48019  Agrostis stolonifera Roberts, Fred 1980-7-1 Orange Irvine; San Diego Creek, 0.2 km NE Interstate 5; 2.0 km WSW Bench Mark 343 85 Comment
  UCSB48020  Arctostaphylos glandulosa subsp. glandulosa Roberts, Fred 1981-4-11 Orange Santa Ana Mtns.; Main Divide Truck Trail at junction with road leading to Blue Jay Campground, 1.0 km. N Blue Jay Campground 1132 Comment
  UCSB48021  Acmispon americanus Roberts, Fred 1980-7-1 Orange Irvine; San Diego Creek, 0.2 km NE Interstate 5; 2.0 km WSW Bench Mark 343 85 Comment
  UCSB48024  Ceanothus spinosus Roberts, Fred 1981-4-11 Orange Santa Ana Mtns.: San Juan Canyon, hwy. 74, 3.7km E San Juan Guard Station 114 Comment
  UCSB48025  Eriogonum fasciculatum var. foliolosum Roberts, Fred 1980-7-7 Orange Santa Ana Mtns; San Juan Canyon, Calif. Rte. 74, 2.2km ENE San Juan Guard Station; 0.6km W BM 1100 305 Comment
  UCSB48027  Piptatherum miliaceum Roberts, Fred 1980-7-7 Orange Santa Ana Mts.; San Juan Canyon, Calif. Rte. 74, 2.2 km. ENE San Juan Guard Station; 0.6 km. W Bench Mark 1100 305 Comment
  UCSB48035  Baccharis glutinosa Roberts, Fred 1981-9-26 Orange Huntington Beach; Calif. Rte. 1, near mouth of Santa Ana River, 0.1 km. N jct. Brookhurst Ave.; 0.1 km. SW Bench Mark 7 2 Comment
  UCSB48036  Baccharis pilularis Roberts, Fred 1981-9-26 Orange Laguna Beach; Pacific coast Highway, 1.1 km. SE El Moro School near Abalone Point 39 Comment
  UCSB48038  Isocoma menziesii var. vernonioides Roberts, Jr., Fred 1981-9-26 Orange Irvine Ranch; Pacific Coast Highway, 0.9 km. SE El Moro School near mouth of Moro Cyn. 15 Comment
  UCSB48039  Pluchea odorata Roberts, Jr., Fred 1981-9-26 Orange Newport Beach; Pacific Coast Highway, 0.3 km. W Newport Blvd.; 0.4 km. SE Bench Mark 10 3 Comment
  UCSB48042  Erigeron canadensis Roberts, Fred 1981-9-26 Orange Newport Beach: Pacific Coast Highway, 0.3km W Newport Blvd.; 0.4 km. SE Bench Mark 10 3 Comment
  UCSB48048  Senecio flaccidus var. douglasii Roberts, Fred 1981-11-15 Orange Santa Ana Mtns.: San Juan Canyon, Hwy 74, across road from entrance to Lower San Juan Picnic Ground 436 Comment
  UCSB48058  Camissoniopsis cheiranthifolia subsp. suffruticosa Roberts, Fred 1982-4-3 Orange Dana Point Headlands, north of Dana Strand Road, 0.5km W Dana Point Harbor; 0.8 km SSW Richard Henry Dana School 80 Comment
  UCSB48065  Pseudognaphalium ramosissimum Roberts, Jr., Fred; Fritzke, S. 1982-4-3 Orange Dana Point Headlands; along Scenic Dr., near jct. with Cove Rd., 0.4 km. W Dana Point Harbor; 0.7 km. S Richard Henry Dana School 70 Comment
  UCSB48071  Thalictrum fendleri var. polycarpum Roberts, Fred 1981-4-11 Orange Santa Ana Mtns.: San Juan Canyon, Hwy 74, 2.3km ENE San Juan Guard Station; 0.4km W Bench Mark 1100 315 Comment
  UCSB48079  Brickellia californica Roberts, Fred 1981-11-15 Orange Santa Ana Mtns.; San Juan Canyon, Hwy. 74, across road from entrance to Lower San Juan Picnic Ground 436 Comment
  UCSB48081  Suaeda taxifolia Roberts, Fred 1981-11-15 Orange Newport Beach: Upper Newport Back Bay; Bayside Dr.; 0.2 km. N central parking area 2 Comment
  UCSB48083  Clematis pauciflora Roberts, Fred 1981-4-12 Orange Santa Ana; San Juan Canyon, Hwy 74 2.0km by road SW San Juan Guard Station; 2.7km SW Juan Rancho Survey Mark 210 Comment
  UCSB48091  Heliotropium curassavicum Roberts, Jr., Fred 1981-5-2 Orange Mission Viejo: Camino Capistrano, 1.7km N Crown Valley Parkway 49 Comment
  UCSB48093  Pellaea andromedifolia Roberts, Fred 1981-4-12 Orange Santa Ana Mtns.: San Juan Canyon, Hwy 74, 1.3km by road E of San Juan Guard Station, 0.9km SE Juan Rancho SM 295 Comment
  UCSB48094  Phalaris minor Roberts, Fred 1981-4-11 Orange Highway 74: 5.2 km. E San Juan Capistrano, near San Juan Creek crossing 52 Comment
  UCSB48097  Schinus molle Roberts, Fred 1981-4-11 Orange Ortega Hwy.; Hwy 74 near San Juan Creek crossing, 5.2 km. E San Juan Capistrano 52 Comment
  UCSB48100  Senecio vulgaris Roberts, Fred 1981-4-11 Orange Highway 74, 5.2km E San Juan Capistrano, near San Juan Creek crossing 52 Comment
  UCSB48103  Mimulus aurantiacus var. pubescens Roberts, Fred; Fritzke, Sue 1982-4-3 Orange Santa Ana Mnts; Lower Hot Springs Canyon; Lazy W Road; 2.4km N by road of San Juan Guard Station; 1.4km NNW Juan Rancho Survey Mark 240 Comment
  UCSB48107  Pseudognaphalium luteoalbum Roberts, Jr., Fred 1981-4-12 Orange Santa Ana Mtns.; San Juan Canyon, Hwy. 74, 1.3 km. by road E San Juan Guard Station; 0.9 km. SE Juan Rancho Survey Marker 295 Comment
  UCSB48111  Bromus diandrus Roberts, Fred 1981-4-12 Orange Santa Ana Mtns; San Juan Canyon, Hwy 74, 1.3 km by road E of San Juan Guard Stn; 0.9 km SE Juan Rancho Survey Mark 295 Comment
  UCSB48112  Pholistoma auritum Roberts, Fred 1981-4-12 Orange Santa Ana Mtns.; San Juan Canyon, Hwy. 74, 1.3 km. by road E San Juan Guard Station; 0.9 km. SE Juan Rancho Survey Marker 295 Comment
  UCSB48114  Acmispon americanus Roberts, Jr., Fred 1981-4-12 Orange Santa Ana Mountains; San Juan Canyon, Hwy. 74, 1.3 km. by road E San Juan Guard Station; 0.9 km. SE Juan Rancho Survey Mark 295 Comment
  UCSB48115  Acmispon strigosus Roberts, Jr., Fred 1981-4-12 Orange Santa Ana Mountains; San Juan Canyon, Hwy. 74, 1.3 km. by road E San Juan Guard Station; 0.9 km. SE Juan Rancho Survey Mark 295 Comment
  UCSB48123  Platanus racemosa Roberts, Fred 1981-4-11 Orange Highway 74; 5.2km E San Juan Capistrano, near crossing of San Juan Creek 52 Comment
  UCSB48124  Glebionis coronaria Roberts, Fred 1981-4-11 Orange Highway 74: 5.2km E San Juan Capistrano, near crossing of San Juan Creek 52 Comment
  UCSB48125  Pennisetum setaceum Roberts, Fred 1981-4-11 Orange Highway 74: 5.2 km. E San Juan Capistrano, near San Juan Creek crossing 52 Comment
  UCSB48126  Hordeum vulgare Roberts, Fred 1981-4-11 Orange Highway 74: 5.2km E San Juan Capistrano, near San Juan Creek crossing 52 Comment
  UCSB48127  Clematis lasiantha Roberts, Fred 1981-4-11 Orange Santa Ana Mtns; San Juan Canyon; Hwy 74; 2.7km ENE San Juan Guard Station 325 Comment
  UCSB48202  Polypogon viridis Roberts, Fred 1981-6-26 Orange Santa Ana Mts., San Juan Canyon, 0.1 km. N Lower San Juan Picnic Ground 390 Comment
  UCSB48208  Piptatherum miliaceum Roberts, Fred 1981-7-8 Orange Rancho Mission Viejo; Calif. Rte. 74, 9.2 km. ENE San Juan Capistrano 100 Comment
  UCSB48209  Lepidospartum squamatum Roberts, Jr., Fred 1981-7-8 Orange Rancho Mission Viejo; Calif. Rte. 74, 10 km. by road ENE San Juan Capistrano 101 Comment
  UCSB48213  Clarkia bottae Roberts, Fred 1981-5-3 Orange Santa Ana Mtns; Hot Springs Canyon; 1.1km NNE San Juan Guard Station; near base of San Juan Trail 264 Comment
  UCSB48214  Chaenactis glabriuscula Roberts, Fred 1981-5-3 Orange Santa Ana Mtns.; Hot Springs Canyon, 0.8 km. by road N of San Juan Guard Station 256 Comment
  UCSB48222  Asclepias fascicularis Roberts, Fred 1981-6-22 Orange Calif. Rte. 74; 5.2 km. ENE San Juan Capistrano by road 100 Comment
  UCSB48226  Eriogonum fasciculatum var. foliolosum Roberts, Fred 1981-6-25 Orange Dana Point: On Point, 0.6km W Dana Point Harbor 73 Comment
  UCSB48227  Helminthotheca echioides Roberts, Jr., Fred 1981-7-8 Orange Rancho Mission Viejo; Calif. Rte. 74, 5.2 km. ENE San Juan Capistrano by road 100 Comment
  UCSB48229  Hirschfeldia incana Roberts, Fred 1981-7-8 Orange Rancho Mission Viejo: Calif. Rte. 74, 5.2 km ENE San Juan Capistrano by road 100 Comment
  UCSB48231  Cirsium vulgare Roberts, Fred 1981-5-2 Orange Mission Viejo; Camino Capistrano, 1.5 km. N Crown Valley Parkway 49 Comment
  UCSB48233  Setaria F. M. Roberts, Jr. 1981-5-2 242 Orange collected 1.5 km N, along Camino Capistrano, in Mision Viejo Crown Valley Parkway - Mision Viejo, Camino Capistrano and Crown Valley Parkway 49 Comment
  UCSB48240  Amaranthus blitoides Roberts, Fred 1981-7-21 Orange Rancho Mission Viejo; Calif. Rte. 74, 9.2 km. ENE San Juan Capistrano 100 Comment
  UCSB48356  Mimulus aurantiacus var. pubescens Roberts, Fred 1982-4-18 Orange Santa Ana Mtns; San Juan Canyon; Hwy 74; 0.6km SW Lower San Juan Picnic Ground; 1.9km WNW Sitton Peak 420 Comment
  UCSB48358  Chlorogalum parviflorum Roberts, Fred 1982-7-1 Orange South Laguna; Niguel Hill, at end of Sea Island Dr., 1.9 km. SE Aliso Peak 210 Comment
  UCSB48360  Ceanothus megacarpus var. megacarpus Roberts, Fred 1982-6-30 Orange LAGUNA NIGUEL: just N end of Pacific Island Dr., 1.6km ENE Aliso Peak 295 Comment
  UCSB48363  Sanicula tuberosa Roberts, Fred 1982-4-18 Orange Santa Ana Mtns.; upper Hot Springs Canyon, 0.1 km. SW Falcon Group Camp; 2.0 km. SE Los Pinos Peak 1075 Comment
  UCSB48364  Ceanothus oliganthus var. oliganthus Roberts, Fred 1982-4-18 Orange SANTA ANA MTNS.: Upper Hot Springs Cyn., 0.1km SW Falcon Group Camp; 2.0km SE Los Pinos Peak 1075 Comment
  UCSB48365  Sanicula crassicaulis Roberts, Fred 1982-4-18 Orange Santa Ana Mtns.; Upper Hot Springs Cyn., 0.1 km. SW Falcon Group Camp; 0.2 km. SE Los Pinos Peak 1075 Comment
  UCSB48366  Berberis aquifolium var. dictyota Roberts, Jr., Fred 1982-4-18 Orange Santa Ana Mtns.; Hot Springs Canyon, 0.6 km. SW Falcon Group Camp 1033 Comment
  UCSB48367  Ribes indecorum Roberts, Fred 1982-4-18 Orange SANTA ANA MTNS; Hot Springs Canyon; 0.8km SW Falcon Group Camp 306 Comment
  UCSB48372  Sonchus oleraceus Roberts, Jr., Fred 1982-5-22 Orange Dana Point: jct. of Stone Hill Dr. & Selva Rd.; 1.0 km ESE Dana Hills High School; 1.7 km SW Marco Forster Junior High School 40 Comment
  UCSB48374  Polypogon interruptus Roberts, Fred 1982-5-22 Orange Dana Point; jct. of Stone Hill Dr. & Selva Rd., 1.0 km. ESE Dana Hills High School; 1.7 km. SW Marco Forster Junior High School 40 Comment
  UCSB48376  Suaeda taxifolia Roberts, Dar; Roberts, Fred 1982-4-19 Orange Newport Beach: Upper Newport Backbay; Back Bay Dr.; 0.8 km. N by road Jamboree Rd.; 2.1 km. E Newport Harbor High School 3 Comment
  UCSB48378  Bloomeria crocea Roberts, Fred 1982-5-22 Orange Dana Point: jct. of Stone Hill Dr. & Selva Rd., 1.0km ESE Dana Hills High School; 1.7km SW Marco Forster Junior High School 40 Comment
  UCSB48379  Suaeda taxifolia Roberts, Fred 1982-4-20 Orange Anaheim Bay: Calif. Rte. 1 at southern margin of Seal Beach Naval Weapons Station; 1.7 km. SE McGaugh School; 1.1 km. W Hog Island Comment
  UCSB48383  Suaeda taxifolia Roberts, Dar; Roberts, Fred 1982-4-19 Orange Newport Beach: Upper Newport Beach Backbay; off Back Bay Dr.; 1.5 km. NNW Corona del Mar High School 1 Comment
  UCSB50632  Clinopodium chandleri Roberts, Fred 1982-7-9 Orange Santa Ana Mtns.: San Juan Canyon, 0.l km N Lower San Juan Picnic Ground 415 Comment
  UCSB50636  Dudleya viscida Roberts, Fred 1982-7-9 Orange Santa Ana Mtns.; San Juan Canyon, Hwy. 74, 1.4 km. by road E San Juan Guard Station; 4.6 km. W Sitton Peak 275 Comment
  UCSB50642  Ricinus communis Roberts, Fred; Allen, R. 1982-7-4 Orange Chino Hills; Carbon Canyon, Carbon Canyon Rd., 6.6 km. SW county line by road; 5.2 km. W Gilman Peak 150 Comment
  UCSB50645  Amaranthus retroflexus Roberts, Fred; Allen, R. 1982-7-4 Orange Chino Hills; Carbon Canyon, Carbon Canyon Rd., 0.6 km. by road SW county line; 2.3 km. NNW Gilman Peak 250 Comment
  UCSB50646  Leymus condensatus Roberts, Fred; Allen, R. 1982-7-4 Orange Carbon Canyon, Carbon Canyon Rd., 0.4km by road SW County line; 2.3km NW Gilman Peak; Chino Hills 260 Comment
  UCSB52396  Epilobium canum subsp. canum Roberts, Fred 1982-9-20 Orange Santa Ana Mts., near jct. of San Juan and Chiquito Basin Trails, 1.4km SW Blue Jay Campground; 2.4km SSE Los Pinos Peak 974 Comment
  UCSB52400  Artemisia californica Roberts, Fred 1982-9-15 Orange Santa Ana Mtns.; San Juan Trail, 1.1 km. SE Blue Jay Campground; 2.5 km. SSE Los Pinos Peak 997 Comment
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Jan 25 2020
  UCSB52401  Corethrogyne filaginifolia Roberts, Fred 1982-9-15 Orange Rancho Mission Viejo; Rte. 74, 6.6 km. by road ENE San Juan Capistrano; 0.9 km. Viejo Peak 93 Comment
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Jan 25 2020
  UCSB52405  Quercus dumosa Roberts, Fred 1982-6-30 Orange Laguna Niguel; Niguel Hill, Pacific Island Dr., 2.0 km. SE Aliso Peak; 1.3 km. E Bench Mark 133 130 Comment
  UCSB52410  Quercus engelmannii Roberts, Fred 1982-7-8 Orange Laguna Niguel; canyon near Pacific Island Dr., 1.4 km. ESE Aliso Peak: 1.1 km. NE Bench Mark 133 207 Comment
  UCSB52412  Quercus berberidifolia Roberts, Fred; Allen, R. 1982-7-4 Orange Chino Hills: Carbon Canyon, Carbon Canyon Rd., 0.3km by road SW county line; 2.5km NNW Gilman Peak 79 Comment
  UCSB52413  Quercus X acutidens Roberts, Fred 1981-11-15 Orange Santa Ana Mtns.: San Juan Canyon, Hwy 74, across road from entrance to Lower San Juan Picnic Ground 436 Comment
  UCSB52415  Quercus X acutidens Roberts, Fred 1981-11-15 Orange Santa Ana Mtns.: San Juan Canyon, Rte. 74, 0.5km by road SW Lower San Juan Picnic Ground, 425 Comment
  UCSB52416  Quercus dumosa Roberts, Fred 1982-6-30 Orange Laguna Niguel; Niguel Hill, above Pacific Island Dr., 1.9 km. SE Aliso Peak; 1.1 km. E Bench Mark 133 223 Comment
  UCSB52421  Pellaea mucronata Roberts, Fred; Meyers, J. 1982-11-7 Orange Santa Ana Mtns.; Lion Canyon, Chiquito Basin Trail, 3.6 km. S Blue Jay Campground; 2.4 km. NNE lower San Juan Campground 800 Comment
  UCSB52423  Pseudognaphalium microcephalum Roberts, Jr., Fred 1982-9-15 Orange Rancho Mission Viejo; 6.4 km. ENE San Juan capistrano by road on Rte. 74; 0.9 km. NNE Viejo Peak 93 Comment
  UCSB52424  Solidago velutina subsp. californica Roberts, Fred 1982-9-15 Orange Rancho Mission Viejo: 6.4km ENE San Juan Capistrano by road on Rte. 74; 0.9km NNE Viejo Peak 115 Comment
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Dec 12 2018
  UCSB52425  Hazardia squarrosa var. grindelioides Roberts, Fred 1982-9-15 Orange Rancho Mission Viejo: 6.4km ENE San Juan Capistrano by road on Rte. 74; 0.9km NNE Viejo Peak 115 Comment
  UCSB52428  Xanthium strumarium Roberts, Jr., Fred 1982-9-15 Orange Dana Point; hills, 1.0 km. N Dana Hills High School; 1.9 km. NE Bench Mark 150 90 Comment
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Dec 12 2018
  UCSB52446  Penstemon heterophyllus var. australis Roberts, Fred 1982-7-20 Orange Santa Ana Mtn; 0.2 km N Falcon Group Camp: 2.0 km ESE Los Pinos Peak 1010 Comment
  UCSB52448  Mimulus aurantiacus var. pubescens Roberts, Fred; Allen, R. 1982-7-4 Orange Chino Hills; Carbon Canyon; Carbon Canyon Rd; 0.3km by road SW county line; 2.5km NNW Gilman Peak 260 Comment
  UCSB52454  Lonicera subspicata var. denudata Roberts, Fred; Allen, R. 1982-7-4 Orange Chino Hills; Carbon Canyon, Carbon Canyon Rd., 0.3 km. by road SW county line; 2.5 km. NW Gilman Peak 260 Comment
  UCSB52460  Melica imperfecta Roberts, Fred 1983-3-10 Orange Dana Point Headlands; cliff above Dana Point Harbor, south of old Cove Rd.: 0.8 km S Richard Henry Dana School 60 Comment
  UCSB52468  Aristida adscensionis Roberts, Fred; Marsh, K. 1983-2-25 Orange Laguna Beach, Goff Ridge, southern Temple Hill, 0.9 km NNE Goff Island 263 Comment
  UCSB52470  Cotula australis Roberts, Fred 1983-3-10 Orange Dana Point Headlands; cliff above Dana Point Harbor, south of old Cove Rd.; 0.8 km. S Richard Henry Dana School 60 Comment
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Jan 25 2020
  UCSB52473  Muhlenbergia microsperma Roberts, Fred 1983-1-7 Orange Park Canyon along west flank of Temple Hill; 1,7km SE Bench Mark 104; 1.7km NE Thurston High School; Laguna Beach 230 Comment
  UCSB52475  Ericameria pinifolia Roberts, Fred 1982-10-14 Orange Laguna Beach; Temple Hill, east flank, 1.0km NNW Top of the World School; 1.9km ESE Bench Mark 104 244 Comment
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Jan 25 2020
  UCSB52861  Keckiella antirrhinoides Roberts, Fred; Marsh, K. 1984-4-21 Orange Santa Ana Mts; Lost Women Canyon at confluence with Silverado Canyon; 2.2km WSW Bald Peak; 2.2km SE Bedford Peak 625 Comment
  UCSB52864  Cheilanthes clevelandii Roberts, Fred; Polek, M. 1982-11-7 Orange Santa Ana Mtns: Lion Canyon, Chiquito Basin Trail, 3.6km S Blue Jay Campground; 2.4km NNE Lower San Juan Campground 800 Comment
  UCSB52865  Stylocline gnaphaloides Roberts, Jr., Fred 1982-4-3 Orange Dana Point Headlands; north of Dana Strand Rd., 0.5 km. W Dana Point Harbor; 0.8 km. SSW Richard Henry Dana School 80 Comment
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Dec 12 2018
  UCSB52866  Hordeum depressum Roberts, Fred 1983-4-24 Orange Dana Point Headlands; south of Pacific Coast Hwy, 0.4km W Harbor; 0.7km SSW Richard Henry Dana Sch. 79 Comment
  UCSB52867  Dudleya blochmaniae subsp. blochmaniae Roberts, Fred 1983-4-24 Orange Dana Point Headlands: south of Pacific Coast Hwy.; 0.5 km. NW Dana Point Harbor; 0.5 km. SSW Richard Henery Dana Sch. 85 Comment
  UCSB52871  Allium haematochiton Roberts, Fred; Marsh, G. 1983-3-30 Orange UC Irvine Ecological Preserve, 0.8 km. SSW UCI campus center 60 Comment
  UCSB52872  Hedypnois cretica Roberts, Fred 1983-3-27 Orange Dana Point Headlands: north of Dana Strand Rd., 0.5km W Dana Point Harbor; 0.8km SSW Richard Henry Dana School 80 Comment
  UCSB52874  Aristida purpurea var. parishii Roberts, Fred 1983-4-16 Orange Laguna Beach, Sycamore Hills, central ridge; 1.4 km NNE jct of El Toro and Laguna Cyn Rds; 5.4 km ESE Signal Peak 117 Comment
  UCSB52875  Pentachaeta aurea Roberts, Fred; Allen, R. 1983-3-27 Orange Dana Point Headlands; north of Dana Strand Rd., 0.5 km. W Dana Point Harbor; 0.7 km. SSW Richard Henry Dana School 79 Comment
  UCSB52876  Bothriochloa barbinodis Roberts, Fred 1983-3-16 Orange Laguna Beach, Sycamore Hills, central ridge; 1.4 km NNE jct of El Toro and Laguna Cyn Rds; 5.4 km ESE Signal Peak 177 Comment
  UCSB52878  Cryptantha microstachys Roberts, Fred; Marsh, G. 1983-3-30 Orange UC Irvine Ecological Preserve, 0.6 km. SW UCI campus center 43 Comment
  UCSB52879  Comarostaphylis diversifolia subsp. planifolia Roberts, Fred 1983-4-7 Orange Laguna Niguel; Niguel Hill, above Pacific Island Road, 1.7 km. SE Aliso Peak; 3.0 km. SSW Alicia Fire Station 239 Comment
  UCSB52881  Helianthemum scoparium Roberts, Fred 1983-4-9 Orange South Laguna: Niguel Hill; 0.8 km. ESE Aliso Peak; 2.7 km. SW Alicia Fire Station 249 Comment
  UCSB52883  Asplenium vespertinum Roberts, Fred; Allen, R. 1983-4-10 Orange Santa Ana Mtns; Upper Hot Springs Canyon, 2.3 km SW Falcon Group Camp; 1.9 km S Los Pinos Peak. 852 Comment
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Feb 26 2013
  UCSB52887  Monardella breweri subsp. lanceolata Roberts, Fred 1983-9-26 Orange Santa Ana Mtns., Lion Canyon, Chiquito Basin Trail, 3.3km NNE Lower San Juan Picnic Ground 4.3km SSE Los Pinos Peak 810 Comment
  UCSB52890  Panicum capillare Roberts, Fred 1984-10-18 Orange Santa Ana Mtns.: San Juan Canyon, 2.5 km. ENE San Juan Guard Station; 4.0 km. WNW Sitton Peak 310 Comment
  UCSB52891  Schoenoplectus americanus Roberts, Fred 1984-10-18 Orange Santa Ana Mtns.: San Juan Canyon, 2.5 km. ENE San Juan Guard Station; 4.0 km. WNW Sitton Peak 310 Comment
  UCSB52902  Sesuvium verrucosum Roberts, Fred 1983-9-29 Orange Irvine; San Joaquin Freshwater Marsh, 1.6 km. NNW UCI campus center 2 Comment
  UCSB52903  Crypsis schoenoides Roberts, Fred 1983-9-29 Orange San Joaquin freshwater Marsh; UC Irvine Campus, 1.6 km NNW UCI campus center 2 Comment
  UCSB52916  Nassella lepida Roberts, Fred 1983-3-10 Orange Dana Point Headlands; south of Scenic Drive, 0.3 km W Dana Point Harbor; 0.8 km S Richard Henry Dana School 60 Comment
  UCSB52918  Cryptantha clevelandii var. florosa Roberts, Jr., Fred 1983-3-10 Orange Dana Point Headlands: south of Scenic Dr., 0.3 km. W Dana Point Harbor; 0.8 km. S Richard Henry Dana School 60 Comment
  UCSB52921  Senecio aphanactis Roberts, Fred 1983-3-10 Orange Dana Point Headlands: north of Scenic Dr., 0.5 km W Dana Point Harbor; 0.7km SSW Richard Henry Dana School 79 Comment
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Dec 12 2018
  UCSB52922  Senecio californicus Roberts, Fred 1983-3-10 Orange Dana Point Headlands: south of Dana Strand Rd., 0.8km W Dana Point Harbor; 1.0km SW Richard Henry Dana School 66 Comment
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Dec 12 2018
  UCSB52923  Eriogonum parvifolium Roberts, Fred 1983-3-10 Orange Dana Point Headlands: south of Dana Strand Rd; 0.8km W Dana Point Harbor; 1.0km SW Richard Henry Dana School 66 Comment
  UCSB52930  Leymus triticoides Roberts, Fred 1983-5-19 Orange Laguna Beach; Laguna Canyon along Laguna Canyon Rd., 1.5 km N jct. El Toro and Laguna Canyon Rds.; 4.9km ESE Signal Peak 100 Comment
  UCSB52932  Brachypodium distachyon Roberts, Fred; Marsh, K. 1983-5-13 Orange Dana Point Headlands; S of Pacific Coast Hwy, 0.5 km NW Dana Point Harbor; 0.4 km SSW Richard Henry Dana School 80 Comment
  UCSB52938  Acacia cyanophylla F. M. Roberts, Jr. 1984-3-15 1260 Orange collected 1.0 km SSW and 3.0 km W, along Back Bay Drive in Newport Back Bay Bayview School and U. C. Irvine Campus Center - Newport Back Bay, Back Bay Drive, U. C. Irvine Campus Center 2 Comment
  UCSB52939  Ericameria palmeri Roberts, Fred 1990-12-9 Orange Irvine: UCI Ecological Preserve, 0.8km SSW campus center; Locality graded in summer 1984 70 Comment
  UCSB52940  Senecio flaccidus var. douglasii Roberts, Fred 1983-11-4 Orange Santa Ana Mtns.: Main Divide Truck Trail, 0.3km NE Los Pinos Spring; 2.0km ESE Los Pinos Peak 1115 Comment
  UCSB52942  Corethrogyne filaginifolia Roberts, Fred 1983-11-4 Orange Santa Ana Mtns.; between Flacon and Blue Jay campgrounds; along Main Divide Truck Trail, 2.1 km. ESE Los Pinos Peak 1090 Comment
  UCSB52945  Typha latifolia Roberts, Fred 1984-8-6 Orange UC Irvine, along Adobe Circle Road, 0.9km ENE campus center; 2.3km W French Hill 30 Comment
  UCSB52948  Nassella lepida Roberts, Fred 1983-3-16 Orange Laguna Beach; Sycamore Hills, central ridge, 1.4 km NNE jct. El Toro and Laguna Canyon Rds. 5.4km ESE Signal Peak 177 Comment
  UCSB52950  Amaranthus blitoides Roberts, Fred 1983-9-26 Orange Santa Ana Mtns.; Lion Canyon, Chiquito Basin Trail, 3.6 km. NNE Lower San Juan Picnic Ground; 4.0 km SSE Los Pinos Peak 820 Comment
  UCSB52990  Euthamia occidentalis Roberts, Jr., Fred 1983-9-29 Orange Irvine; San Joaquin Freshwater Marsh, 1.9 km. NNW UCI campus center 2 Comment
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Dec 12 2018
  UCSB56674  Garrya fremontii Roberts, Fred 1984-2-12 Orange Santa Ana mts; 0.lkm SW Falcon Group Camp; 2.0km ESE Los Pinos Peak 304 Comment
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Apr 27 2020
  UCSB56677  Matthiola incana Roberts, Jr., Fred 1984-2-4 Orange South Laguna; Aliso Canyon near mouth, 0.7 km. WNW Aliso Peak 15 Comment
  UCSB56682  Eriogonum cinereum Roberts, Fred 1985-7-22 Orange Irvine: MacArthur Blvd., 0.2km N Bonita Canyon Rd.; 1.6km W UC Irvine campus 15 Comment
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Feb 22 2019
  UCSB57032  Eriodictyon parryi Roberts, Jr., Fred 1985-7-26 Orange Santa Ana Mtns.; Main Divide Truck Trail near Los Pinos saddle, 1.5 km. NE Los Pinos Peak, UTM 3725850m N, 457400m E 1257 Comment
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Feb 22 2019
  UCSB57545  Acacia longifolia Roberts, Fred 1984-3-15 Orange Newport Beach; Newport Backbay, along Back Bay Dr., 3.0 km. W University of California, Irvine campus center 2 Comment
  UCSB57548  Carex schottii Roberts, Fred 1984-3-24 Orange Santa Ana Mtns.: San Juan Canyon, Hwy. 74; 2.4 km. ENE San Juan Guard Station; 0.3 km. W Bench Mark 1100 315 Comment
  UCSB57553  Laennecia coulteri Roberts, Fred 1985-8-19 Orange Crystal Cove State Park; Pelican Point, border of old stable site, 0.1 km. from ocean; UTM 3715800mN, 420900mE 20 Comment
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Feb 22 2019
  UCSB57555  Chenopodium californicum Roberts, Fred 1984-3-24 Orange Rancho Mission Viejo; Hwy. 74, 9.2 km. by road E San Juan Capistrano; near mouth of Trampas Canyon 90 Comment
  UCSB57556  Deinandra paniculata Roberts, Fred 1986-6-27 Orange Mission Viejo; Cabot Rd. across from Nellie Gail Rd., UTM 3716250mN, 437500mE 100 Comment
  IRVC20366  Lupinus sparsiflorus subsp. sparsiflorus Fred M. Roberts 1983-3-16 932 Orange Laguna Beach: Sycamore Hills, central ridge, 1.1km NNE jct. El Toro and Laguna Canyon Rds.; 5.4km [ESE] Signal Peak. Southern Coastal 156 Comment
  IRVC20367  Lupinus hirsutissimus Fred M. Roberts 1983-3-16 931 Orange Laguna Beach: Sycamore Hills, central ridge, 1.1km NNE jct. El Toro and Laguna Canyon Rds.; 5.4km [ESE] Signal Peak. Southern Coastal 156 Comment
  IRVC20789  Microseris douglasii subsp. douglasii Fred M. Roberts, S. L. Fritzke 1982-4-3 472 Orange Dana Point: hills .0 km N Dana Hills HS, 1.9 km W Marco Forester Jr HS. Southern Coastal 100 Comment
  IRVC21215  Lupinus bicolor subsp. umbellatus Fred M. Roberts 1984-3-9 1241 Orange Wagon Wheel Regional Park: 2.6km NE Median Rancho Survey Mark, Santa Ana Mountains 210 Comment
  IRVC21220  Adiantum jordanii Fred M. Roberts 1964-3-9 1247 Orange cyn, 2.9km NE Median Rancho Survey Mark; 1.6km NW Bench Mark 422, Wagon Wheel Regional Park 165 Comment
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Aug 1 2009
  IRVC21221  Dryopteris arguta Fred M. Roberts 1984-3-9 1248 Orange Wagon Whell Regional Park: cyn 2.9 km NE Median Rancho Survey Mark; 1.6 km NW bench Mark 422. Southern Coastal 165 Comment
  IRVC21254  Lomatium lucidum Fred M. Roberts 1982-7-7 735 Orange Niguel Hill, 1.6km SE Aliso Peak; 0.7km E BM 133, South Laguna 231 Comment
  IRVC21306  Polypodium californicum Fred M. Roberts 1984-1-29 1160 Orange Laguna Niguel: Niguel Hill, 1.1km ENE of Aliso Peak, 2.0km SW of Alicia Fire Station. Southern Coastal 260 Comment
  IRVC21313  Polypodium californicum Fred M. Roberts 1983-12-13 1155 Orange Laguna Beach: west flank of Temple Hill, Park Canyon, Park Ave., 1.3km NE of Thurston School; 1.7km SE Bench Mark 104. Southern Coastal 195 Comment
  IRVC21599  Plagiobothrys canescens Fred M. Roberts 1984-4-24 1354 Orange Wagon Wheel Canyon, 3.0km NE Median Survey Mark; 1.0km NW Bench Mark 422, Wagon Wheel Regional Park 150 Comment
  IRVC21768  Polypodium californicum Fred M. Roberts, G. S. Pederson 1984-12-17 1444 Orange canyon, 2.5km NE Median Rancho Survey Mark; 1.4km NW Bench Mark 422, Wagon Wheel Regional Park 190 Comment
  IRVC21995  Trifolium depauperatum var. truncatum Fred M. Roberts, G. A. Marsh 1985-3-12 1518 Orange San Clemente: bluffs above El Camino Real, about 1.1km by road NW Ave. Pico; 0.2km E Bench Mark 16 (sect. 32). southern coastal 30 Comment
  IRVC22067  Lupinus bicolor subsp. microphyllus Fred M. Roberts 1983-3-16 917 Orange Laguna Beach: Sycamore Hills, central ridge, 1.1km NNE jct. El Toro and Laguna Canyon Rds.; 5.4km [ESE] Signal Peak. Southern Coastal 156 Comment
  IRVC22484  Lupinus bicolor subsp. umbellatus Fred M. Roberts 1985-4-24 1656 Orange Laguna Beach: Laguna Canyon along Laguna Canyon Rd., 0.8km N jct. El Toro Rd. Southern Coastal 78 Comment
  IRVC22726  Helianthus annuus Fred M. Roberts, G. A. Marsh 1985-5-14 1795 Orange UC Irvine campus along South Circle View Dr., SE of Engineering Biulding, Irvine 42 Comment
  IRVC22750  Azolla filiculoides Fred M. Roberts 1985-5-15 3026 Orange San Joaquin Hills: Laguna Canyon; Laguna Lakes, northernmost pond, south margin, 5km ENE Signal Peak. southern coastal 114 Comment
  IRVC24273  Euphorbia albomarginata Fred M. Roberts, G. A. Marsh 1985-10-26 2527 Orange Santa Ana River: adjacent to Huntington Beach; 0.7km SSW Adams Street bridge. southern coastal 4 Comment
  IRVC24277  Amaranthus blitoides Fred M. Roberts, G. A. Marsh 1985-10-26 2522 Orange Santa Ana River: adjacent to Huntington Beach; 0.7km SSW Adams Street bridge. southern coastal 4 Comment
  IRVC24282  Bidens laevis Fred M. Roberts, G. A. Marsh 1985-10-26 2519 Orange Santa Ana River: adjacent to Huntington Beach; 0.7km SSW Adams Street bridge. southern coastal 4 Comment
  IRVC24745  Filago californica Fred M. Roberts 1986-4-29 2821 Orange Turtle Rock, above corner of Ridgerout Dr. and Turtle Rock Dr., 1.1km SE French Hill, Irvine 141 Comment
  IRVC24746  Stylocline gnaphalioides Fred M. Roberts 1986-4-29 2820 Orange Turtle Rock, above corner of Ridgerout Dr. and Turtle Rock Dr., 1.1km SE French Hill, Irvine 141 Comment
  IRVC24748  Gnaphalium stramineum Fred M. Roberts 1986-4-29 2818 Orange Turtle Rock, above corner of Ridgerout Dr. and Turtle Rock Dr., 1.1km SE French Hill, Irvine 141 Comment
  IRVC24772  Trifolium microcephalum Fred M. Roberts 1986-4-24 2798 Orange Rancho Mission Viejo: Canyon east of Trampas Canyon, S of Hwy 74, 2.5km E Viejo Survey Mark. Santa Ana Mountains 113 Comment
  IRVC24991  Asclepias fascicularis Fred M. Roberts, R. Fisher 1986-6-18 3014 Orange Irvine; [San Joaquin Hills], east lateral to Shady Canyon, c.a. 2.9km SE French Hill. 82 Comment
  IRVC24994  Dryopteris arguta Fred M. Roberts, R. Fisher 1986-6-18 3015 Orange Irvine; [San Joaquin Hills], east lateral to Shady Canyon, c.a. 2.9km SE French Hill. 82 Comment
  IRVC25444  Minuartia douglasii var. douglasii Fred M. Roberts 1987-5-9 3432 Orange San Juan Trail above Chiquito Basin, 2.3km SSE Los Pinos Peak, Santa Ana Mountains 952 Comment
  RSA0005447  Monardella hypoleuca subsp. hypoleuca Fred M. Roberts, R. E. Riefner 1988-7-19 4117 Orange Santa Ana Mtns: Upper Silverado Canyon, Maple Springs Truck Trail, 2.1km NNW Modjeska Peak. 1260 Comment
  RSA0008438  Hemizonia australis Fred M. Roberts 1985-9-17 2263 Orange Irvine: Lot between Walnut Ave. Harvard Ave. and Peter's Creek Channel. 20 Comment
  RSA0011250  Vicia americana var. americana Fred M. Roberts, Carol A. Roberts 1989-4-7 4263 Orange Aliso-Wood Canyon Regional Park: Upper Wood Canyon, ca. 0.4 km W Moulton Peak. 104 Comment
  RSA0011251  Croton californicus Fred M. Roberts Jr. 1989-5-9 4340 Orange Santa Ana Mts: Gypsum Canyon, west fork, 5.6 km WNW Sierra Peak, c.a. 1 km S Highway 91. 146 Comment
  RSA0012602  Eucalyptus globulus Fred M. Roberts, Karlin G. Marsh 1988-4-25 3928 Orange San Joaquin Hills: Irvine coast, ca 1.3 km SW Pelican Hill. 43 Comment
  RSA0028838  Trifolium hirtum Fred M. Roberts 2003-5-1 5667 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.49km S Gato Gate and just west of Cristianitos Rd. (San Clemente) 84 Comment
  RSA0041474  Rhus integrifolia Fred M. Roberts, R. L. Allen 1985-8-19 2143 Orange Mission Viejo: ridge, 3.5km ENE E1 Toro Fire Station. 279 Comment
  RSA0041475  Pulicaria paludosa Fred M. Roberts, Robert L. Allen 1985-8-19 2163 Orange Mission Viejo: English Creek near confluence of Aliso Creek, 1.1km E E1 Toro Fire Station. 138 Comment
  RSA0041476  Fraxinus velutina var. coriacea Fred M. Roberts, Carol A. Roberts 1988-7-5 4108 Orange Santa Ana Mts: San Juan Canyon, 0.4 km SW Lower San Juan Picnic Ground. 410 Comment
  RSA0060233  Pentagramma triangularis Fred M. Roberts, Laura Cohen 2000-3-24 5272 Orange Rancho Mission Viejo Land Conservancy: Tributary to Christanitos Cyn., Flagpole Meadow, upper shady Canyon Trail, about 1.6 NW Sycamore Gate. 170 Comment
  RSA0066585  Harpagonella palmeri Fred M. Roberts 1993-4-23 4855 Orange Mission Viejo: Mesa just W of Bridgeton Road near jct. of Ridgemark above Arroyo Trabuco, 4.8 km NNE Trabuco Survey Marker. 152 Comment
  RSA0066586  Harpagonella palmeri Fred M. Roberts, Dave Bontrager 1990-4-18 4565 Orange Rancho Mission Viejo: ridge between Christianitos and Gabino Canyons (Riverside Cement Lease Holding), 5.5 km SE Playa Survey Marker. 152 Comment
  RSA0070944  Orobanche fasciculata Fred M. Roberts, Carol A. Roberts 1988-6-9 4082 Orange Santa Ana Mountains: Modjeska Peak, 0.9 km SW summit. 1542 Comment
  RSA0072397  Heteromeles arbutifolia Fred M. Roberts 1986-11-5 3204 Orange Santa Ana Mts.: Upper Mabey Canyon near top of Skyline Dr., 2.7 km SE Sierra Peak, NE of Oak Flat. 850 Comment
  RSA0097841  Spergularia macrotheca var. macrotheca Fred M. Roberts, Julie Vanderwier 1997-4-29 5019 Orange Bolsa Chica Salt Marsh (US Fish & Wildlife Service cell 17); west of old oil field, 1.7 km SSE of Chica Survey Mark. 0 Comment
  RSA0098711  Spergularia villosa Fred M. Roberts, Laura Cohen 2000-3-24 5266 Orange Rancho Mission Viejo Land Conservancy: Tributary to Christanitos Cyn., Flagpole Meadow, upper Shady Canyon Trail, about 1.6 km NW Sycamore Gate. 170 Comment
  RSA0116223  Lepidium strictum Fred M. Roberts, Tony Bomkamp, R. E. Riefner 1996-4-19 4963 Orange Costa Mesa; Fairview Park, 0.1km W Canyon School 24 Comment
  RSA0117394  Collinsia parryi Fred M. Roberts, K. Nowak 1995-4-19 4927 Orange Lower Hot Springs Canyon, San Juan Trail, 0.4 km NNW Juan Rancho Survey Mark. 396 Comment
  RSA0121780  Vitis girdiana Fred M. Roberts Jr. 1992-6-20 4844 Orange San Juan Canyon, Lower San Juan Picnic Ground. 390 Comment
  RSA362293  Triodanis biflora Fred M. Roberts 1985-6-7 1850 Orange Santa Ana Mountains: Main Divide Truck trail, 2.2km ESE Los Pinos Peak. 1005 Comment
  RSA362294  Boisduvalia densiflora Fred M. Roberts 1985-6-7 1861 Orange Santa Ana Mountains: Main Divide Truck trail, 2.2km ESE Los Pinos Peak. 1005 Comment
  RSA362298  Diplotaxis tenuifolia Fred M. Roberts 1986-8-9 s.n. Orange Yorba Linda, Santa Ana Canyon, N side of Green River Golf course. 127 Comment
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Nov 17 2018
  RSA450843  Pectocarya linearis subsp. ferocula Fred M. Roberts 1983-3-16 929 Orange Laguna Beach, Sycamore Hills, central ridge, 1.5km NNE jct E1 Toro and Laguna Canyon road, 5.5km ESE Signal Peak. 160 Comment
  RSA488137  Atriplex glauca Fred M. Roberts 1985-8-30 2186 Orange Laguna Niguel: Niguel Hill, Pacific Island Rd., 1.4 km ESE Aliso Pk. 182 Comment
  RSA535966  Lathyrus vestitus subsp. alefeldii Fred M. Roberts, Carol A. Roberts 1989-4-7 4265 Orange Aliso-Wood Canyons Regional Park: Upper Wood Canyon, ca. 0.5 km SW Moulton Peak. 102 Comment
  RSA539346  Commelina coelestis Fred M. Roberts 1987-10-14 3747 Orange Laguna Beach: Lower Blue Bird Canyon at end of Catalina Street. 21 Comment
  RSA539348  Lemna minuta Fred M. Roberts, Gordon Marsh 1987-8-31 3589 Orange Santa Ana River: adjacent to Santa Ana. 15 Comment
  RSA539349  Dodecatheon clevelandii Fred M. Roberts, Karen Kirtland 1989-2-22 4184 Orange San Joaquin Hills: Upper Buck Gully, 0.7km NE Pelican Hill. 207 Comment
  RSA539350  Rumex hymenosepalus Fred M. Roberts, Karlin G. Marsh 1989-3-7 4199 Orange Lomas de Santiago: Loma Ridge, Hicks Canyon, 2.3km W Bee Survey Mark. 152 Comment
  RSA539354  Linanthus dianthiflorus subsp. dianthiflorus Fred M. Roberts, Karen Kirtland 1989-2-22 4185 Orange San Joaquin Hills: Pelican Hill, 0.5km ESE Summit. 177 Comment
  RSA539361  Castilleja affinis Fred M. Roberts, Karlin G. Marsh 1989-3-7 4179 Orange Lomas de Santiago: Lomas Ridge, tributary to Hicks Canyon, 2.3 km W Bee Canyon. 157 Comment
  RSA539419  Pulicaria paludosa Fred M. Roberts, Doug Willick 1988-9-16 4137 Orange Peralata Hills: Oak Canyon Nature Center, Upper Walnut Canyon, 1.0 kilmeter N Robbers Peak. 180 Comment
  RSA539423  Draba cuneifolia var. integrifolia Fred M. Roberts, Karlin G. Marsh 1989-3-7 4195 Orange LOMAS DE SANTIAGO: Loma Ridge, tributary to Hicks Canyon, 2.2 km W Bee Survey Mark. 166 Comment
  RSA542344  Tribulus terrestris Fred M. Roberts, Gordon Marsh 1987-8-31 3598 Orange Santa Ana River: adjacent to Santa Ana, 0.5 km NE 17th St. bridge 27 Comment
  RSA542352  Nicotiana bigelovii var. wallacei Fred M. Roberts, Gordon Marsh, Karlin G. Marsh 1988-4-26 3939 Orange San Joaquin Hills: hill between Pelican and Signal Hills, 0.8km ENE Pelican Hill. 207 Comment
  RSA542368  Bromus hordeaceus Fred M. Roberts 1988-4-10 3915 Orange Lomas De Santiago: Loma Ridge, 1.0 kilometer N Bolero Lookout., UTM 37 31 1000m N, 4 39 600m E. 415 Comment
  RSA542369  Hordeum marinum subsp. gussoneanum Fred M. Roberts, Kathy Keane 1988-5-25 3988 Orange Ranch Mission Viejo: Lower Canada Chiquita, 2.5 kilometers SSE Medium Rancho Survey Mark: UTM 3710250m N, 443600m E 82 Comment
  RSA542398  Galium parisiense Fred M. Roberts, K. Keane 1988-5-26 4013 Orange Rancho Mission Viejo: tributary to Trampas canyon, along Christianitos rd., 2.4 km ESE Viejo Survey mark. 128 Comment
  RSA542413  Ranunculus californicus Fred M. Roberts 1989-3-17 4208 Orange Aliso Wood Canyon Regional Park, Aliso Canyon, 3.3km SSE Moulton Peak. 61 Comment
  RSA542414  Ranunculus californicus Fred M. Roberts 1987-4-3 3347 Orange Irvine: San Joaquin Hills, Central Shadey Canyon, 2.8 kilometers NE Signal Peak. 109 Comment
  RSA542425  Calycadenia tenella Fred M. Roberts 1988-5-25 3979 Orange Rancho Mission Viejo: Lower Canada Chiquita, 2.0 km SSE Medium Rancho Survey Mark 88 Comment
  RSA542430  Filago gallica Fred M. Roberts, K. Keane 1988-5-25 3978 Orange Rancho Mission Veijo: Lower Canada Chiquita, 2.5 kilometers SSE Medium Rancho Survey Marker. 85 Comment
  RSA542431  Filago gallica Fred M. Roberts, Gordon Marsh, Karlin G. Marsh 1988-4-26 3938 Orange San Joaquin Hills: Pelican Hill, 0.5 kim SE Summit. 165 Comment
  RSA542434  Grindelia robusta Fred M. Roberts, Karlin G. Marsh 1988-4-25 3930 Orange San Joaquin Hills: Irvine Coast, 1.1km SW Pelican Hill. 44 Comment
  RSA542440  Amaranthus blitoides Fred M. Roberts 1988-10-21 4162 Orange Irvine: Alton Parkway at corner of Jeffrey Rd., 1.5km NNE French Survey Mark. 35 Comment
  RSA542441  Amaranthus deflexus Fred M. Roberts 1988-10-21 4161 Orange Irvine: Michelson bridge at San Diego Creek. 4 Comment
  RSA542443  Torilis nodosa Fred M. Roberts, Kathy Keane 1988-5-26 4003 Orange Rancho Mission Viejo: tributary to Trampas canyon, along Christianitos rd., 2.4 km ESE Viejo Survey mark. 128 Comment
  RSA542448  Eschscholzia californica var. peninsularis Fred M. Roberts 1989-3-17 4210 Orange Aliso Wood canyon, Regional Park, Also canyon, 3.3 km SSE Moulton Peak. 57 Comment
  RSA542455  Plantago rhodosperma Fred M. Roberts, Karlin G. Marsh 1988-4-25 3931 Orange San Joaquin Hills: East flank Pelican Hill, 0.9 kilometer SE summit. 120 Comment
  RSA542458  Samolus parviflorus Fred M. Roberts 1987-8-6 3581 Orange San Joaquin Hills: Los Tracos Canyon, 0.9km ESE Pelican Hill. 78 Comment
  RSA542462  Pterostegia drymarioides Fred M. Roberts 1987-3-31 3318 Orange Lomas de Santiago: Lomas [Loma] Ridge, Upper Serrano Canyon, east fork, reservoir, 2.2 kilometers SE Bolero Lookout. 406 Comment
  RSA542466  Polygonum aviculare subsp. aviculare Fred M. Roberts 1987-3-31 3299 Orange Lomas de Santiago: Lomas Ridge, upper Serrano Canyon, east fork, reservoir, 2.7km SE Bolero Lookout. 350 Comment
  RSA542467  Polygonum persicaria Fred M. Roberts, G. A. Marsh 1987-8-31 3593 Orange Santa Ana River: adjacent to Santa Ana at Mc Fadden crossing. 19 Comment
  RSA542468  Polygonum lapathifolium Fred M. Roberts, Gordon A. Marsh 1987-8-31 3588 Orange Santa Ana River: adjacent to Santa Ana, 0.6km S Edinger bridge. 14 Comment
  RSA542471  Acourtia microcephala Fred M. Roberts, K. Keane 1988-5-25 4584 Orange Rancho Mission Veijo: Lower Canada Chiquita, 2.0 kilometers SSE Medium Rancho Survey Marker. 91 Comment
  RSA542473  Geranium dissectum Fred M. Roberts 1988-3-15 3852 Orange Rancho Mission Viejo: Verdugo Canyon, 2.6 km ENE Point Rancho Survey Mark 149 Comment
  RSA542485  Ficus carica Fred M. Roberts, William L. Smith 1988-7-30 4127 Orange San Juan Capistrano: Horno creek, Marbella country club, just east of Rancho Viejo road.. 0.8 km NE Mission San Juan Capistrano. 43 Comment
  RSA542506  Antirrhinum nuttallianum subsp. nuttallianum Fred M. Roberts 1987-4-28 3393 Orange IRVINE: San Joanuin Hills, lateral to Upper Sand CAnyon, 2.3 km SE French Hill. 107 Comment
  RSA542508  Anemopsis californica Fred M. Roberts, K. Keane 1988-5-25 3986 Orange Ranch Mission Viejo: Lower Canada Chiquita, 2.5 kilometers SSE Medium Rancho Survey Mark [see UTM] 882 Comment
  RSA542518  Cyperus involucratus Fred M. Roberts, W. R. Ferren 1987-4-8 3363 Orange Upper Newport Beach Back Bay, west side, North Star Beach, 0.8 km N Coney Island. 0 Comment
  RSA542526  Eriogonum elongatum Fred M. Roberts 1986-11-5 3205 Orange Santa Ana Mountains: Upper Mabey Canyon near top of Skyline Dr., 2.7 km SE Sierra Peak, NE of Oak Flat. 259 Comment
  RSA542537  Cucurbita foetidissima Fred M. Roberts 1988-5-25 3975 Orange Rancho Mission Veijo: Lower Canada Chiquita, 2.0 kilometers SSE Medium Rancho Survey Marker. 91 Comment
  RSA542541  Euphorbia lathyris Fred M. Roberts, William L. Smith 1988-7-30 4126 Orange San Juan Capistrano: Horno creek, Marbella country club, just east of Rancho Viejo road.. 0.8 km NE Mission San Juan Capistrano. 43 Comment
  RSA542543  Lathyrus vestitus subsp. laetiflorus Fred M. Roberts, T. Sholars, B. Stechmeyer 1988-3-29 3887 Orange Santa Ana Mountains: Main Divide Truck Trail, 1.0 km by road NW Blue Jay Campground, c.a. 2.1 km ESE Los Pinos Peak. 1024 Comment
  RSA542552  Eleusine indica Fred M. Roberts 1987-8-31 3599 Orange Santa Ana River: adjacent to Santa Ana., UTM 3736150m N 415900m E 27 Comment
  RSA542554  Cortaderia selloana Fred M. Roberts 1987-10-14 3749 Orange Laguna Beach: Lower Blue Bird Canyon at end of Catalina Street. 21 Comment
  RSA542556  Crypsis schoenoides Fred M. Roberts 1987-3-31 3302 Orange Lomas de Santiago: Lomas [Loma] Ridge, upper Serrano Canyon, east fork, reservoir, 2.7 kilometers SE Bolero Lookout, UTM 3727950m N, 441250m E. 350 Comment
  RSA542558  Bromus hordeaceus Fred M. Roberts 1987-4-21 3380 Orange Aliso Viejo: Aliso Creek, Aliso Creek bike trail, 3.0 kilmeters ENE Moulton Peak., UTM 3715500m N, 433650m E 73 Comment
  RSA542649  Atriplex californica Fred M. Roberts 1988-10-12 4159 Orange San Clemente State Park: c.a. 0.2 km SE end of Ave. California along Santa Fe RR. 3 Comment
  RSA548856  Stenotaphrum secundatum Fred M. Roberts, Wayne Ferren 1987-4-8 3364 Orange Upper Newport Beach Back Bay, west side, North Star Beach, 0.8 km N Coney Island., UTM 3720900m N, 417450m E 0 Comment
  RSA548866  Gilia capitata subsp. abrotanifolia Fred M. Roberts, Carol A. Roberts 1988-6-2 4029 Orange Santa Ana Mountains: Silverado Canyon. Maple Springs Truck trail. 4.3 km above gate, 1.0 km WSW Bald Peak. 817 Comment
  RSA548870  Allium praecox Fred M. Roberts 1987-4-3 3342 Orange Irvine: San Joaquin Hills, Central Shadey Canyon, 2.8 kilometers NE Signal Hill. 103 Comment
  RSA550587  Layia platyglossa subsp. campestris Fred M. Roberts 1989-4-26 4323 Orange Santa Ana Mtns: lower Blind Canyon near mouth, 9.2km SW Sierra Peak, 1km N Irvine Lake spillway. 210 Comment
  RSA552929  Vicia sativa subsp. nigra Fred M. Roberts, R. E. Riefner 1989-5-2 4330 Orange Aliso-Wood Canyons Regional Park: Lower Wood Canyon, 3.3 km S Multon Peak, 35 Comment
  RSA552930  Antirrhinum nuttallianum subsp. nuttallianum Fred M. Roberts, R. E. Riefner 1989-5-2 4331 Orange Aliso-Wood Canyons Regional Park: Lower Wood Canyon, 3.5 kilometers SSE Multon Peak. 43 Comment
  RSA552933  Delphinium parryi Fred M. Roberts, R. E. Riefner 1989-5-2 4334 Orange Aliso-Wood Canyons Regional Park. Lower Wood Canyons, 3.3km S Multon Peak. 43 Comment
  RSA552945  Anemopsis californica Fred M. Roberts, R. E. Riefner 1989-5-2 4325 Orange Aliso-Wood Canyons Regional Park: Lower Woods Canyon, 3.5 km SSE Multon Peak. 30 Comment
  RSA552946  Vicia villosa subsp. varia Fred M. Roberts, R. E. Riefner 1989-5-2 4326 Orange Aliso-Wood Canyons Regional Park: Lower Wood Canyon, 3.5 kilometers SSE Multon Peak. 30 Comment
  RSA552947  Juncus balticus Fred M. Roberts, R. E. Riefner 1989-5-2 4328 Orange Aliso-Wood Canyons Regional Park: Lower Wood Canyon, 3.5 kilometers SSE Multon Peak. 30 Comment
  RSA553113  Clarkia bottae Fred M. Roberts 1989-5-11 4344 Orange Santa Ana Mountains: Upper Blind canyon, east fork, along power line maintainance road, 3.9km SE Walnut Reservoir. 381 Comment
  RSA553114  Bloomeria crocea var. crocea Fred M. Roberts, Carol A. Roberts 1989-5-11 4346 Orange Santa Ana Mountains: Upper Blind canyon, east fork, along power line maintainance road, 3.9km SE Walnut Reservoir. 381 Comment
  RSA553117  Silene laciniata subsp. major Fred M. Roberts, Carol A. Roberts 1989-5-11 4349 Orange Santa Ana Mountains: Upper