Search Results — 1582 specimen records retrieved (1254 records with coordinates)
Results for search: County=LOS ANGELES; Source=All; Collector=Johnston;   

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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 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
  CAS-BOT-BC100402  Brickellia californica I. M. Johnston 1917-8-21 1642 Los Angeles Upper San Antonio [Canon] Canyon 1676 Comment
  CAS-BOT-BC100430  Brickellia californica I. M. Johnston 1917-7-31 1536 Los Angeles Icehouse [Canon] Canyon 2209 Comment
  CAS-BOT-BC103148  Salix bonplandiana I. Johnston 1917-5-13 1903 Los Angeles El Monte 121 Comment
  CAS-BOT-BC104146  Salix hindsiana I. Johnston s.n. Los Angeles Compton Creek near Dominguez Comment
  CAS-BOT-BC105249  Quercus kelloggii I. M. Johnston 1917-8-24 1714 Los Angeles San Antonio Mountains, Prairie Fk of San Gabriel R. Open canon (canyon) 1981 Comment
  CAS-BOT-BC106757  Baccharis salicifolia I. Johnston 1917-4-11 s.n. Los Angeles Wilmington Comment
  CAS-BOT-BC108873  Ribes divaricatum var. parishii I. M. Johnston 1918-7-28 2101 Los Angeles San Gabriel River at El Monte. 91 Comment
  CAS-BOT-BC108874  Ribes divaricatum var. parishii I. M. Johnston 1918-7-28 2101 Los Angeles San Gabriel River at El Monte. 91 Comment
  CAS-BOT-BC110420  Suaeda taxifolia I. Johnston Apr 11 s.n. Los Angeles Nigger Slough [name changed to Harbor Lake]. Comment
  CAS-BOT-BC111476  Schoenoplectus americanus I. Johnston 1917-5-13 s.n. Los Angeles El Monte, ditch along R. R. 83 Comment
  CAS-BOT-BC113042  Eleocharis montevidensis I. Johnston 1917-6-14 1909 Los Angeles West of Pomona, wet ground along creek. Comment
  CAS-BOT-BC113044  Eleocharis montevidensis I. Johnston May 13 1019 Los Angeles El Monte, ditch along Rail Road. 83 Comment
  CAS-BOT-BC113045  Eleocharis montevidensis I. Johnston 1917-6-14 s.n. Los Angeles West of Pomona, wet ground along creek. Comment
  CAS-BOT-BC113046  Eleocharis montevidensis A. Johnston 1928-4-7 2904 Los Angeles Los Angeles River bottom, Griffith Park. Comment
  CAS-BOT-BC113277  Eleocharis parishii Ivan Murray Johnston 1917-8-23 1631 Los Angeles Prarie Fork of San Gabriel River. 1524 Comment
  CAS-BOT-BC115972  Carex subfusca Ivan Murray Johnston 1917-8-23 1636 Los Angeles Pine Mt. 2438 Comment
  CAS-BOT-BC115973  Carex subfusca Ivan Murray Johnston 1917-7-4 1399 Los Angeles Summit of Old Baldy [Mtn is in both LA & SanBrndo Cos.; summit is in LA Co.]. 3048 Comment
  CAS-BOT-BC118421  Carex praegracilis Ivan Murray Johnston 1917-6-14 1272 Los Angeles West of Pomona, wet ground along creek. Comment
  CAS-BOT-BC118971  Carex pellita Ivan Murray Johnston 1917-5-13 s.n. Los Angeles El Monte, ditch along RR. 114 Comment
  CAS-BOT-BC124080  Galium hallii Ivan Murray Johnston 1918-7-7 2067 Los Angeles San Antonio Mountains. Coldwater Fork by the Creek. 1737 Comment
  CAS-BOT-BC124196  Eriogonum umbellatum var. minus Ivan Murray Johnston 1917-8-22 1692 Los Angeles San Antonio Mountains. Baldy Summit. 3048 Comment
  CAS-BOT-BC125662  Salix melanopsis I. M. Johnston 1918-7-5 2087 Los Angeles Near head of San Antonio [Canon] Canyon 2286 Comment
  CAS-BOT-BC126292  Salix sessilifolia I. M. Johnston 1917-8-23 1685 Los Angeles San Antonio Mountains. Prairie Fk of San Gabriel R. 1524 Comment
  CAS-BOT-BC126296  Salix sessilifolia I. Johnston 1917-5-13 1242 Los Angeles El Monte 91 Comment
  CAS-BOT-BC127231  Agrostis exarata I. M. Johnston 1917-7-28 1509 Los Angeles San Antonio Mountains. San Antonio Canyon. 1676 Comment
  CAS-BOT-BC127232  Agrostis exarata I. M. Johnston 1917-8-23 1634 Los Angeles San Antonio Mountains. Prairie Fork of San Gabriel River. 2133 Comment
  CAS-BOT-BC127233  Agrostis exarata I. M. Johnston 1917-7-28 1510 Los Angeles San Antonio Mountains. North Fork San Antonio Canyon (Old Gold Ridge Mine). 2438 Comment
  CAS-BOT-BC127697  Brickellia microphylla var. microphylla I. M. Johnston 1917-8-21 1643 Los Angeles San Antonio Mountains. Uper San Antonio Canon 1676 Comment
  CAS-BOT-BC129964  Dodecatheon redolens I. M. Johnston 1918-7-6 2100 Los Angeles Prairie Fork of San Gabriel River 2133 Comment
  CAS-BOT-BC129965  Dodecatheon redolens I. M. Johnston 1917-8-22 1648 Los Angeles San Antonio Mountains. Prairie Fk of San Gabriel R. 2133 Comment
  CAS-BOT-BC131191  Encelia californica I. Johnston 1917-4-11 s.n. Los Angeles Dominguez Mesa Comment
  CAS-BOT-BC131645  Ericameria parishii var. parishii I. M. Johnston 1918-9-1 2150 Los Angeles Evey [Canon] Canyon 1219 Comment
  CAS-BOT-BC135149  Phoradendron juniperinum I. M. Johnston 1917-8-23 1718 Los Angeles Prairie Fk. of San Gabriel River. San Antonio Mountains 1432 Comment
  CAS-BOT-BC13719  Ambrosia chamissonis I. M. Johnston 1917-6-10 1317 Los Angeles Playa del Rey Comment
  CAS-BOT-BC137667  Aristida adscensionis I. M. Johnston 1918-4-27 1861 Los Angeles Temescal Canon [Canyon]. 365 Comment
  CAS-BOT-BC139739  Agrostis gigantea I. M. Johnston 1917-8-22 1633 Los Angeles San Antonio Mountains. Prairie Fork of San Gabriel River. 1524 Comment
  CAS-BOT-BC141316  Phoradendron serotinum subsp. tomentosum I. M. Johnston 1917-8-23 1719 Los Angeles Prairie Fk. of San Gabriel R., San Antonio Mountains 1432 Comment
  CAS-BOT-BC142101  Cercocarpus betuloides var. betuloides I. M. Johnston 1917-4-28 1370 Los Angeles San Antonio Canyon wash. 365 Comment
  CAS-BOT-BC142130  Cercocarpus betuloides var. betuloides I. M. Johnston 1917-4-28 1372 Los Angeles San Antonio Canyon Wwash 365 Comment
  CAS-BOT-BC142547  Amelanchier utahensis I. M. Johnston 1917-7-31 1539 Los Angeles Icehouse Canyon [Canon] 2209 Comment
  CAS-BOT-BC143083  Potentilla anserina subsp. pacifica I. Johnston 1917-6-10 1336 Los Angeles Ballona Creek near Mesmer Comment
  CAS-BOT-BC143817  Cercocarpus ledifolius var. ledifolius I. M. Johnston 1917-6-20 1485 Los Angeles Baldy Lookout of U.S.F.S. 2133 Comment
  CAS-BOT-BC144944  Phacelia ramosissima var. austrolitoralis I. Johnston 1917-6-10 1322 Los Angeles Playa del Rey Comment
  CAS-BOT-BC146957  Rosa woodsii var. gratissima I. M. Johnston 1917-8-23 1704 Los Angeles San Antonio Mountains. Prairie Fk. of San Gabriel River 1524 Comment
  CAS-BOT-BC14721  Boechera repanda I. Johnston 1917-7-3 1464 Los Angeles Upper San Antonio Canyon. 2286 Comment
  CAS-BOT-BC147476  Rosa californica I. M. Johnston 1918-8-4 2121 Los Angeles Hills west of Pomona 304 Comment
  CAS-BOT-BC147487  Rosa californica I. M. Johnston 1917-7-29 1590 Los Angeles San Antonio [Canon] Canyon 1600 Comment
  CAS-BOT-BC149577  Bromus carinatus var. carinatus I. Johnston 1917-7-1 1519 Los Angeles San Antonio Mountains. Browns Flats. 1371 Comment
  CAS-BOT-BC149578  Bromus carinatus var. carinatus I. M. Johnston 1917-6-15 1295 Los Angeles San Antonio Mountains. San Antonio Canyon (Spring Hill). 1295 Comment
  CAS-BOT-BC149943  Holodiscus discolor var. discolor I. M. Johnston 1917-8-22 1696 Los Angeles Summit of Baldy 3048 Comment
  CAS-BOT-BC149948  Holodiscus discolor var. discolor I. M. Johnston 1917-7-28 1570 Los Angeles N. Fk. San Antonio [Canon] Canyon (Old Gold Ridge Mine) 2438 Comment
  CAS-BOT-BC152897  Diplacus brevipes I. M. Johnston 1918-5-15 s.n. Los Angeles Claremont Comment
  CAS-BOT-BC153186  Diplacus johnstonii I. M. Johnston 1917-6-20 1486 Los Angeles Baldy Lookout of U.S.F.S. 2133 Comment
  CAS-BOT-BC154388  Phacelia ramosissima var. latifolia I. M. Johnston 1918-7-6 2091 Los Angeles Prairie Fork San Gabriel River, San Antonio Mountains 2072 Comment
  CAS-BOT-BC154784  Prunus virginiana var. demissa I. M. Johnston 1917-8-23 1712 Los Angeles San Antonio Mountains. Prairie Fk. of San Gabriel R. 1524 Comment
  CAS-BOT-BC155586  Bromus grandis I. M. Johnston 1917-7-28 1407 Los Angeles San Antonio Mountains. North Fork San Antonio Canyon. 2438 Comment
  CAS-BOT-BC157795  Drymocallis lactea var. lactea I. M. Johnston 1918-7-6 2066 Los Angeles Prairie Fork, San Gabriel River 2133 Comment
  CAS-BOT-BC157933  Prunus emarginata I. M. Johnston 1918-7-5 2079 Los Angeles Head of San Antonio [Canon] Canyon 2346 Comment
  CAS-BOT-BC157934  Prunus emarginata I. M. Johnston 1917-8-21 1666 Los Angeles Upper San Antonio [Canon] Canyon 2377 Comment
  CAS-BOT-BC158044  Garrya veatchii I. M. Johnston 1918-5-19 1984 Los Angeles San Antonio Canyon [Canon], San Antonio Mountains, on canon side in chaparral 1066 Comment
  CAS-BOT-BC158046  Garrya veatchii I. M. Johnston 1918-5-19 1983 Los Angeles San Antonio [Canon] Canyon (Kerkhoff Grade) Comment
  CAS-BOT-BC160434  Camissoniopsis cheiranthifolia subsp. suffruticosa I. Johnston 1907-6-10 1334 Los Angeles Playa del Rey Comment
  CAS-BOT-BC161408  Bromus tectorum I. Johnston 1917-5-6 1012 Los Angeles Evey Canyon mouth. Comment
  CAS-BOT-BC164726  Clarkia rhomboidea I. M. Johnston 1917-7-3 1404 Los Angeles San Antonio [Canon] Canyon 1524 Comment
  CAS-BOT-BC166137  Epilobium canum subsp. canum I. M. Johnston 1917-11-29 1802 Los Angeles Evey [Canon] Canyon Comment
  CAS-BOT-BC166209  Epilobium canum subsp. canum I. M. Johnston 1917-12-5 1805 Los Angeles Stoddard's [Canon] Canyon 685 Comment
  CAS-BOT-BC166251  Epilobium canum subsp. canum I. M. Johnston 1917-11-30 1801 Los Angeles Near mouth of Live Oak [Canon] Canyon 457 Comment
  CAS-BOT-BC166829  Epilobium canum subsp. latifolium I. M. Johnston 1917-7-29 1586 Los Angeles San Antonio [Canon] Canyon 2286 Comment
  CAS-BOT-BC170109  Atriplex lentiformis I. Johnston 1917-6-10 1900 Los Angeles Playa del Rey Comment
  CAS-BOT-BC170442  Rhus integrifolia I. Johnston 1917-3-10 s.n. Los Angeles Cucamonga Wash, east of Upland 487 Comment
  CAS-BOT-BC171927  Epilobium canum subsp. latifolium I. M. Johnston 1917-7-29 1586 Los Angeles San Antonio Canyon, San Antonio Mountains 2286 Comment
  CAS-BOT-BC173420  Ribes malvaceum I. M. Johnston 1927-7-2 1752 Los Angeles Near Brown's Flat 1524 Comment
  CAS-BOT-BC17686  Carex alma I. Johnston 1917-5-13 27 E Los Angeles El Monte. 121 Comment
  CAS-BOT-BC17687  Carex alma I. Johnston 1917-5-13 27 E Los Angeles El Monte. 121 Comment
  CAS-BOT-BC177525  Astragalus bicristatus I. M. Johnston 1918-7-6 2056 Los Angeles Prairie Fork of San Gabriel River 2133 Comment
  CAS-BOT-BC177527  Astragalus bicristatus I. M. Johnston 1917-8-24 1656 Los Angeles San Antonio Mountains. Prairie Fk of San Gabriel River 1676 Comment
  CAS-BOT-BC180601  Amorpha californica var. californica I. Johnston 1917-6-14 1348 Los Angeles Hills west of Pomona 304 Comment
  CAS-BOT-BC184333  Vulpia microstachys var. pauciflora I. M. Johnston 1918-5-19 2001 Los Angeles Hills south of Pomona 365 Comment
  CAS-BOT-BC186161  Ribes roezlii var. roezlii I. M. Johnston 1917-6-15 1271 Los Angeles Head of Icehouse Canon [Canyon] 2286 Comment
  CAS-BOT-BC187094  Astragalus lentiginosus var. borreganus I. M. Johnston 1917-8-24 1655 Los Angeles San Antonio Mountains. Prairie Fk of San Gabriel River 1676 Comment
  CAS-BOT-BC187872  Lupinus chamissonis I. Johnston 1917-6-10 1338 Los Angeles Playa del Ray Comment
  CAS-BOT-BC188952  Eriodictyon parryi I. M. Johnston 1917-7-1 1437 Los Angeles Head of Evey Canon [Canyon] 1371 Comment
  CAS-BOT-BC19227  Carex barbarae I. M. Johnston 1918-8-18 2117 Los Angeles San Antonio Mountains. Live Oak Canyon. On west canyon side. 411 Comment
  CAS-BOT-BC192748  Deschampsia danthonioides I. Johnston 1917-4-11 s.n. Los Angeles Nigger Slough Comment
  CAS-BOT-BC194060  Astragalus trichopodus var. lonchus I. Johnston 1917-4-11 s.n. Los Angeles Nigger Slough (locality name change to'Laguna Dominguez') Comment
  CAS-BOT-BC194062  Astragalus trichopodus var. lonchus I. Johnston 1917-6-10 1319 Los Angeles Near Mesmer Comment
  CAS-BOT-BC195620  Distichlis spicata I. Johnston 1917-5-13 s.n. Los Angeles El Monte 91 Comment
  CAS-BOT-BC197216  Echinochloa crus-pavonis I. M. Johnston 1918-8-4 2111 Los Angeles North Pomona 365 Comment
  CAS-BOT-BC197217  Echinochloa crus-pavonis I. M. Johnston 1918-8-4 2111 Los Angeles North Pomona 365 Comment
  CAS-BOT-BC200831  Astragalus trichopodus var. trichopodus I. M. Johnston 1918-5-19 1964 Los Angeles Hills south of Pomona 365 Comment
  CAS-BOT-BC200833  Astragalus trichopodus var. trichopodus I. M. Johnston 1918-5-19 1964 Los Angeles Hills south of Pomona 365 Comment
  CAS-BOT-BC203402  Elymus glaucus subsp. glaucus I. M. Johnston 1917-7-1 1518 Los Angeles San Antonio Mountains. Browns Flats 1371 Comment
  CAS-BOT-BC204362  Elymus trachycaulus subsp. trachycaulus I. M. Johnston 1918-7-6 2069 Los Angeles San Antonio Mountains. Prairie Fork of San Gabriel River 1981 Comment
  CAS-BOT-BC204363  Elymus trachycaulus subsp. trachycaulus I. M. Johnston 1917-7-28 1512 Los Angeles San Antonio Mountains. N. Fk. San Antonio Canon [Canyon] 2438 Comment
  CAS-BOT-BC205157  Lupinus elatus I. M. Johnston 1918-7-6 2086 Los Angeles San Antonio Mountains. Prairie Fork of San Gabriel River 1981 Comment
  CAS-BOT-BC205447  Lupinus excubitus var. excubitus I. M. Johnston 1924-8-13 s.n. Los Angeles Evey Canon [Canyon] along Firebreak 1066 Comment
  CAS-BOT-BC206227  Malacothamnus fasciculatus I. Johnston 1917-5-13 982 Los Angeles San Gabriel Wash 152 Comment
  CAS-BOT-BC206310  Malacothamnus fremontii I. M. Johnston 1917-8-22 1673 Los Angeles Prairie Fk. of San Gabriel R., San Antonio Mountains 1889 Comment
  CAS-BOT-BC206756  Elymus glaucus subsp. glaucus I. M. Johnston 1917-8-21 1630 Los Angeles Coldwater Fork, Lytle Creek - San Antonio Mountains 2133 Comment
  CAS-BOT-BC206757  Elymus glaucus subsp. glaucus I. M. Johnston 1971-7-15 1517 Los Angeles Head of S Fk, Lytle Creek - San Antonio Mountains 1828 Comment
  CAS-BOT-BC206758  Elymus glaucus subsp. glaucus I. M. Johnston 1917-6-15 1296 Los Angeles San Antonio Canyon (Spring Hill) - San Antonio Mountains 1295 Comment
  CAS-BOT-BC206764  Elymus glaucus subsp. glaucus I. M. Johnston 1917-5-6 1017 Los Angeles Mouth of San Antonio Canyon, San Antonio Mountains 609 Comment
  CAS-BOT-BC20860  Carex globosa I. M. Johnston 1918-9-1 2132 Los Angeles San Antonio Mountains. Canyon (Fern C.) north of Brown's Flats. 1280 Comment
  CAS-BOT-BC210880  Achnatherum parishii subsp. depauperatum I. M. Johnston 1917-7-3 1515 Los Angeles San Antonio Mountains. Upper San Antonio Canon [Canyon] 2057 Comment
  CAS-BOT-BC211685  Lupinus longifolius I. Johnston 1917-6-10 1337 Los Angeles Playa del Rey Comment
  CAS-BOT-BC211686  Lupinus longifolius I. Johnston 1917-5-13 1965 Los Angeles El Monte 137 Comment
  CAS-BOT-BC211719  Lupinus longifolius I. M. Johnston 1918-5-5 1896 Los Angeles Turnbull Canyon, Puente Hills 365 Comment
  CAS-BOT-BC213015  Hosackia crassifolia I. M. Johnston 1917-6-20 1495 Los Angeles Bakly Lookout of U.S.F.S. 2133 Comment
  CAS-BOT-BC213016  Hosackia crassifolia I. M. Johnston 1917-7-1 1751 Los Angeles near Browns Flats 1371 Comment
  CAS-BOT-BC215334  Lupinus excubitus var. excubitus I. M. Johnston 1924-8-13 2600 Los Angeles Sunset Trail, 1 mile S of Sunset Peak 1584 Comment
  CAS-BOT-BC216545  Lupinus excubitus var. johnstonii I. M. Johnston 1917-6-20 1492 Los Angeles Baldy Lookout of USFS 1981 Comment
  CAS-BOT-BC216546  Lupinus excubitus var. johnstonii I. M. Johnston 1917-7-15 1479 Los Angeles Head of S Fork Lytle Creek 1828 Comment
  CAS-BOT-BC216651  Lupinus excubitus subsp. hallii I. M. Johnston 1918-7-6 2078 Los Angeles Prairie Fork of San Gabriel River 1828 Comment
  CAS-BOT-BC218563  Fraxinus velutina I. M. Johnston 1918-7-28 2097 Los Angeles San Gabriel River at El Monte 91 Comment
  CAS-BOT-BC219296  Ribes nevadense I. M. Johnston 1917-7-3 1403 Los Angeles San Antonio Canon [Canyon] 1676 Comment
  CAS-BOT-BC220434  Monardella saxicola I. M. Johnston 1917-7-1 1440 Los Angeles San Antonio Mountains. Head of Evey Canon [Canyon] 1447 Comment
  CAS-BOT-BC222477  Pholistoma auritum var. auritum I. Johnston 1917-5-6 1920 Los Angeles Evey Canon [Canyon] 762 Comment
  CAS-BOT-BC222559  Pholistoma auritum var. auritum I. Johnston 1917-3-29 1249 Los Angeles Above Claremont Comment
  CAS-BOT-BC222680  Eriodictyon trichocalyx I. M. Johnston 1917-7-28 1574 Los Angeles San Antonio Mountains. San Antonio Canon [Canyon] 2286 Comment
  CAS-BOT-BC223043  Galium angustifolium subsp. gabrielense I. M. Johnston 1917-7-28 1591 Los Angeles San Antonio Mountains. San Antonio Canon [Canyon] 1752 Comment
  CAS-BOT-BC223044  Galium angustifolium subsp. gabrielense I. M. Johnston 1917-6-20 1262 Los Angeles San Antonio Mountains. Baldy Lookout of U.S.F.S. 2133 Comment
  CAS-BOT-BC223847  Frankenia palmeri I. Johnston 1917-6-10 1269 Los Angeles Ballona Creek near Mesmer Comment
  CAS-BOT-BC223939  Tamarix parviflora I. Johnston 1917-4-11 s.n. Los Angeles Welmington Comment
  CAS-BOT-BC224480  Cuscuta californica I. M. Johnston 1917-8-22 1686 Los Angeles San Antonio Mountains. Pine Mt. 2438 Comment
  CAS-BOT-BC228704  Cistanthe umbellata I. M. Johnston 1917-7-3 1397 Los Angeles San Antonio Mountains. Head of San Antonio Canon [Canyon] 2438 Comment
  CAS-BOT-BC233663  Salvia leucophylla I. M. Johnston 1918-5-4 1940 Los Angeles Turnbull Canyon, Puente Hills 365 Comment
  CAS-BOT-BC234662  Symphoricarpos mollis I. M. Johnston 1918-8-25 2127 Los Angeles San Antonio Mountains. Evey Canon [Canyon] 914 Comment
  CAS-BOT-BC234673  Symphoricarpos mollis I. M. Johnston 1918-5-19 2002 Los Angeles Hills south of Pomona 365 Comment
  CAS-BOT-BC236185  Poa secunda subsp. secunda I. M. Johnston 1917-6-20 1355 Los Angeles San Antonio Mountains. Baldy Lookout at of USFS 2133 Comment
  CAS-BOT-BC237499  Polypogon viridis I. Johnston 1917-5-13 1021 Los Angeles Along railroad, El Monte 83 Comment
  CAS-BOT-BC238744  Sambucus nigra subsp. caerulea I. M. Johnston 1917-7-31 1549 Los Angeles San Antoino Mountains. Head of Icehouse Canon [Canyon] 2499 Comment
  CAS-BOT-BC238989  Symphoricarpos rotundifolius I. M. Johnston 1917-9-16 1727 Los Angeles San Antonio Mountains. West spur of Baldy 2743 Comment
  CAS-BOT-BC240742  Lonicera interrupta I. M. Johnston 1917-8-23 1713 Los Angeles San Antonio Mountains. Prairie Fk. of San Gabriel R. 1524 Comment
  CAS-BOT-BC242768  Eriogonum davidsonii I. M. Johnston 1917-7-3 1406 Los Angeles San Antonio Mountains. San Antonio Canon [Canyon] 1828 Comment
  CAS-BOT-BC242772  Eriogonum davidsonii I. M. Johnston 1918-9-1 2134 Los Angeles San Antonio Mountains, Brown's Flats 1310 Comment
  CAS-BOT-BC243624  Setaria pumila I. M. Johnston 1918-8-4 2110 Los Angeles Between Claremont and Pomona 365 Comment
  CAS-BOT-BC243680  Orobanche parishii I. M. Johnston 1917-7-1 1431 Los Angeles Evey Canyon, San Antonio Mountains 838 Comment
  CAS-BOT-BC244433  Poa annua I. Johnston 1916-12-29 s.n. Los Angeles Claremont Comment
  CAS-BOT-BC249768  Eriogonum elongatum var. elongatum I. M. Johnston 1917-8-23 1716 Los Angeles San Antonio Mountains. Prairie Fk of San Gabriel R. 1524 Comment
  CAS-BOT-BC250111  Eriogonum fasciculatum var. polifolium I. M. Johnston 1917-7-28 1569 Los Angeles San Antonio Mountains. N. Fk. San Antonio Canon [Canyon] 2209 Comment
  CAS-BOT-BC250115  Eriogonum fasciculatum var. polifolium I. Johnston 1917-6-5 1240 Los Angeles Hills south of Arlington 365 Comment
  CAS-BOT-BC250591  Phalaris minor I. Johnston 1917-4-11 s.n. Los Angeles Nigger Slough Comment
  CAS-BOT-BC25679  Boechera sparsiflora I. M. Johnston 1918-5-12 1952 Los Angeles San Antonio Mountains. Upper San Antonio Canyon. 1524 Comment
  CAS-BOT-BC259050  Phalaris lemmonii I. Johnston 1917-4-11 s.n. Los Angeles Nigger Slough Comment
  CAS-BOT-BC259794  Nassella cernua I. M. Johnston 1917-6-10 1300 Los Angeles Near Mesmer 30 Comment
  CAS-BOT-BC262857  Eriogonum thurberi I. Johnston 1917-5-13 978 Los Angeles San Gabriel Wash 152 Comment
  CAS-BOT-BC265004  Eriogonum wrightii var. subscaposum I. M. Johnston 1917-7-30 1581 Los Angeles Cucamonga Pk. 2712 Comment
  CAS-BOT-BC271332  Koeleria pyramidata I. Johnston 1907-6-14 1303 Los Angeles Hills west of Pomona 304 Comment
  CAS-BOT-BC271333  Koeleria pyramidata I. M. Johnston 1917-7-1 1520 Los Angeles Browns Flats, San Antonio Mountains 1371 Comment
  CAS-BOT-BC275085  Muhlenbergia richardsonis I. M. Johnston 1917-8-21 1628 Los Angeles San Antonio Mountains. Upper San Antonio Canon 2209 Comment
  CAS-BOT-BC277350  Chaenactis glabriuscula var. glabriuscula I. M. Johnston 1918-5-12 1954 Los Angeles San Antonio Mountains. San Antonio Canon [Canyon]. Near Los Angeles Co.-San Bernardino Co. line 914 Comment
  CAS-BOT-BC277523  Chaenactis glabriuscula var. lanosa I. Johnston 1917-4-28 1933 Los Angeles Wash west of Upland 365 Comment
  CAS-BOT-BC281524  Melica imperfecta I. M. Johnston 1918-6-2 2021 Los Angeles San Antonio Mts. Evey Canon 914 Comment
  CAS-BOT-BC281525  Melica imperfecta I. M. Johnston 1918-6-2 2020 Los Angeles San Antonio Mts. Evey Canon 914 Comment
  CAS-BOT-BC281526  Melica imperfecta I. Johnston 1917-5-30 1299 Los Angeles Hills S of Ontario 304 Comment
  CAS-BOT-BC284994  Hordeum depressum I. Johnston 1917-4-11 s.n. Los Angeles Gardena Comment
  CAS-BOT-BC285402  Cirsium occidentale var. californicum I. M. Johnston 1917-8-22 1707 Los Angeles San Antonio Mountains. Prairie Fk. of San Gabriel R. 1828 Comment
  CAS-BOT-BC291374  Cotula coronopifolia I. Johnston 1917-4-11 s.n. Los Angeles Nigger Slough (Laguna Dominguez) Comment
  CAS-BOT-BC295960  Erigeron philadelphicus I. Johnston 1917-5-13 1020 Los Angeles El Monte 83 Comment
  CAS-BOT-BC296799  Erigeron divergens I. M. Johnston 1917-8-22 1708 Los Angeles Prairie Fk. of San Gabriel R., San Antonio Mountains 1524 Comment
  CAS-BOT-BC297941  Eriophyllum confertiflorum I. M. Johnston 1917-7-3 1405 Los Angeles San Antonio Mts. San Antonio Canon 2438 Comment
  CAS-BOT-BC297942  Eriophyllum confertiflorum I. M. Johnston 1917-7-15 1452 Los Angeles San Antonio Mts. Head of S Fork Lytle Creek 1828 Comment
  CAS-BOT-BC298186  Ericameria nauseosa var. oreophila I. M. Johnston 1917-8-21 1706 Los Angeles Upper San Antonio Canon 2286 Comment
  CAS-BOT-BC298894  Ericameria nauseosa var. bernardina I. M. Johnston 1917-8-22 1653 Los Angeles San Antonio Mts. Pine Mt Ridge 2438 Comment
  CAS-BOT-BC298895  Ericameria nauseosa var. bernardina I. M. Johnston 1917-8-22 1652 Los Angeles San Antonio Mts. Pine Mt Ridge 2438 Comment
  CAS-BOT-BC299813  Dieteria canescens var. canescens I. M. Johnston 1917-8-22 1647 Los Angeles Praire Fk. of San Gabriel R., San Antonio Mountains 1981 Comment
  CAS-BOT-BC305718  Helianthus gracilentus I. M. Johnston 1918-6-23 2040 Los Angeles San Antonio Mountains. Spring Hill, San Antonio Canon [Canyon] 1325 Comment
  CAS-BOT-BC305877  Helminthotheca echioides I. Johnston 1917-6-10 1321 Los Angeles Near Mesmer Comment
  CAS-BOT-BC306643  Helenium bigelovii I. M. Johnston 1917-7-28 1525 Los Angeles San Antonio Mountains. N. Fk San Antonio Canon [Canyon] (Gold Ridge Mine) 2438 Comment
  CAS-BOT-BC30964  Bolboschoenus maritimus I. Johnston 1917-6-10 1318 Los Angeles Playa del Rey Comment
  CAS-BOT-BC310850  Heterotheca sessiliflora subsp. fastigiata I. M. Johnston 1917-8-21 1701 Los Angeles San Antonio Mountains. Upper San Antonio Canon [Canyon] 2133 Comment
  CAS-BOT-BC312241  Euthamia occidentalis I. M. Johnston 1917-8-22 1674 Los Angeles Prairie Fk of San Gabriel R., San Antonio Mountains 1524 Comment
  CAS-BOT-BC319768  Hieracium argutum I. M. Johnston 1918-8-25 2129 Los Angeles Evey Canyon, San Antonio Mountains 914 Comment
  CAS-BOT-BC319769  Hieracium argutum I. M. Johnston 1917-7-15 1365 Los Angeles Day Canyon, San Antonio Mountains 914 Comment
  CAS-BOT-BC32078  Carex multicaulis Ivan Murray Johnston 1917-7-15 1738 Los Angeles Day Canyon 1676 Comment
  CAS-BOT-BC322840  Stephanomeria pauciflora I. M. Johnston 1917-8-24 1649 Los Angeles N. Fk. Lytle Creek Comment
  CAS-BOT-BC328074  Lepidospartum squamatum I. M. Johnston 1917-8-23 1717 Los Angeles San Antonio Mountains. Prairie Fk. of San Gabriel River 1524 Comment
  CAS-BOT-BC32884  Collinsia bicolor var. austromontana Ivan Murray Johnston 1917-7-1 1750 Los Angeles San Antonio Mountains, near Brown's Flats 1280 Comment
  CAS-BOT-BC329052  Tetradymia canescens I. M. Johnston 1917-7-21 1545 Los Angeles Telegraph Peak, San Antonion Mountains 2590 Comment
  CAS-BOT-BC329053  Tetradymia canescens I. M. Johnston 1927-8-22 1672 Los Angeles Summit of Pine Mtn., San Antonio Mountains 2944 Comment
  CAS-BOT-BC329159  Lasthenia glabrata subsp. coulteri I. Johnston 1917-4-11 s.n. Los Angeles Nigger Slough Comment
  CAS-BOT-BC333112  Senecio flaccidus var. douglasii I. M. Johnston 1917-8-13 1678 Los Angeles Prairie Fork of San Gabriel River, San Antonio Mountains 1524 Comment
  CAS-BOT-BC33963  Eriogonum microthecum var. johnstonii Ivan Murray Johnston 1917-9-16 1726 Los Angeles San Antonio Mountains. West spur of Baldy. 2743 Comment
  CAS-BOT-BC340168  Jaumea carnosa I. Johnston 1917-6-10 1305 Los Angeles Near Mesmer Comment
  CAS-BOT-BC341492  Lagophylla ramosissima I. M. Johnston 1918-8-4 2112 Los Angeles Hills west of Pomona 304 Comment
  CAS-BOT-BC341493  Lagophylla ramosissima I. M. Johnston 1918-8-4 2112 Los Angeles Hills west of Pomona 304 Comment
  CAS-BOT-BC343063  Madia gracilis I. M. Johnston 1917-7-1 1438 Los Angeles San Antonio Mountains. Evey Canon [Canyon] 762 Comment
  CAS-BOT-BC347933  Malacothrix saxatilis var. tenuifolia I. Johnston 1910-6-10 1311 Los Angeles Playa del Rey Comment
  CAS-BOT-BC356372  Pseudognaphalium beneolens I. M. Johnston 1918-9-1 2142 Los Angeles San Antonio Mountains. Brown's Flats 1310 Comment
  CAS-BOT-BC356373  Pseudognaphalium beneolens I. M. Johnston 1918-9-3 2146 Los Angeles Brea Canon [Canyon], Puente Hills 396 Comment
  CAS-BOT-BC357633  Pseudognaphalium stramineum I. M. Johnston 1917-8-23 1705 Los Angeles San Antonio Mountains. Prairie Fk. of San Gabriel R. 1524 Comment
  CAS-BOT-BC357634  Pseudognaphalium stramineum I. M. Johnston 1918-9-1 2136 Los Angeles San Antonio Mountains. Brown's Flats 1310 Comment
  CAS-BOT-BC364403  Senecio triangularis I. M. Johnston 1917-8-22 1679 Los Angeles San Antonio Mountains. Prairie Fk. of San Gabriel R. 2133 Comment
  CAS-BOT-BC364404  Senecio triangularis I. M. Johnston 1918-7-6 2088 Los Angeles San Antonio Mountains. Prairie Fork of San Gabriel River 2133 Comment
  CAS-BOT-BC365028  Solidago velutina subsp. californica I. M. Johnston 1918-9-1 2143 Los Angeles San Antonio Mountains. Brown's Flat 1310 Comment
  CAS-BOT-BC365030  Solidago velutina subsp. californica I. M. Johnston 1917-8-22 1710 Los Angeles San Antonio Mountains. Prairie Fk. of San Gabriel R. 2057 Comment
  CAS-BOT-BC384770  Cardionema ramosissimum I. Johnston 1917-6-10 1268 Los Angeles Near Mesmer Comment
  CAS-BOT-BC389570  Silene parishii I. M. Johnston 1916-9-1 s.n. Los Angeles Devils Backbone - Baldy Ridge, Mt. San Antonio 2743 Comment
  CAS-BOT-BC392355  Thalictrum fendleri I. M. Johnston 1917-8-23 1677 Los Angeles San Antonio Mountains. Prairie Fk. of San Gabriel R. 1524 Comment
  CAS-BOT-BC402069  Gilia ochroleuca subsp. vivida I. M. Johnston 1917-6-20 1265 Los Angeles San Antonio Mountains. Baldy Lookout of U.S.F.S. 2133 Comment
  CAS-BOT-BC404134  Urtica dioica subsp. holosericea I. M. Johnston 1917-7-28 1605 Los Angeles San Antonio Mountains. N. Fk. San Antonio Canon [Canyon] (Gold Ridge Mine) 2438 Comment
  CAS-BOT-BC40708  Erysimum capitatum I. M. Johnston 1917-6-20 1357 Los Angeles San Antonio Mountains. Baldy Lookout of USFS. 1828 Comment
  CAS-BOT-BC412572  Acanthoscyphus parishii var. parishii I. M. Johnston 1917-6-20 1487 Los Angeles San Antonio Mountains. Baldy Lookout of U.S.F.S. 1981 Comment
  CAS-BOT-BC412573  Acanthoscyphus parishii var. parishii I. M. Johnston 1925-7-8 5292 Los Angeles Baldy Lookout, San Antonio Mts 1737 Comment
  CAS-BOT-BC419012  Persicaria lapathifolia I. Johnston 1917-6-14 1343 Los Angeles West of Pomona Comment
  CAS-BOT-BC426255  Lithophragma affine I. Johnston 1917-5-6 1927 Los Angeles Evey Canon, north of Claremont 762 Comment
  CAS-BOT-BC433928  Rumex salicifolius I. Johnston 1917-5-13 s.n. Los Angeles El Monte 91 Comment
  CAS-BOT-BC438166  Sesuvium verrucosum I. Johnston 1917-4-11 s.n. Los Angeles Nigger Slough Comment
  CAS-BOT-BC444441  Lewisia rediviva var. minor I. M. Johnston 1917-6-20 1493 Los Angeles San Antonio Mountains. Baldy Lookout of U.S.F.S. 1981 Comment
  CAS-BOT-BC444442  Lewisia rediviva var. minor I. M. Johnston 1917-7-3 1412 Los Angeles San Antonio Mountains. Head of San Antonio Canon [Canyon] 2438 Comment
  CAS-BOT-BC45005  Ambrosia confertiflora Ivan Murray Johnston 1920-1-1 s.n. Los Angeles Arcadia along Huntington Drive 152 Comment
  CAS-BOT-BC45777  Quercus I. M. Johnston 1918-9-1 2138 Los Angeles near Brown's Flats (just north of Pomona College P), Upper Sonoran Zone 1371 Comment
  CAS-BOT-BC50460  Ceanothus oliganthus I. M. Johnston 1917-9-17 1724 Los Angeles Cow Canyon, San Antonio Mountians 914 Comment
  CAS-BOT-BC53322  Frangula californica subsp. cuspidata I. M. Johnston 1917-8-22 1709 Los Angeles Prairie 7 h. of San Gabriel River 1981 Comment
  CAS-BOT-BC55209  Erysimum suffrutescens I. Johnston 1917-6-10 1312 Los Angeles Playa del Rey. Comment
  CAS-BOT-BC55990  Rhamnus ilicifolia I. Johnston 1917-2-10 s.n. Los Angeles Hills south of Pomona 365 Comment
  CAS-BOT-BC57172  Equisetum hyemale subsp. affine I. Johnston 1917-5-13 271 Los Angeles El Monte 121 Comment
  CAS-BOT-BC57173  Equisetum hyemale subsp. affine I. Johnston 1917-5-13 271 Los Angeles El Monte 121 Comment
  CAS-BOT-BC57320  Equisetum laevigatum I. Johnston 1917-5-13 27 V Los Angeles El Monte 106 Comment
  CAS-BOT-BC57321  Equisetum laevigatum I. Johnston 1917-5-13 27 V Los Angeles El Monte 106 Comment
  CAS-BOT-BC58001  Equisetum I. M. Johnston 1917-8-24 1723 Los Angeles San Antonio Mountains. 1981 Comment
  CAS-BOT-BC61987  Selaginella asprella I. M. Johnston 1917-7-28 1595 Los Angeles San Antonio Canyon 1752 Comment
  CAS-BOT-BC63894  Sedum spathulifolium I. M. Johnston 1919-6-7 2170 Los Angeles San Antonip Mountains, Cucamonga Canyon. Comment
  CAS-BOT-BC63896  Sedum spathulifolium I. M. Johnston 1917-7-1 1745 Los Angeles Near Browns Flats 1295 Comment
  CAS-BOT-BC63897  Sedum spathulifolium I. M. Johnston 1918-6-23 2053 Los Angeles West end of Ontario Peak (Cascade Canyon) 1676 Comment
  CAS-BOT-BC65565  Adiantum capillus-veneris I. M. Johnston 1918-9-1 s.n. Los Angeles Canyon (Fern C.) north of Browns Flat 1219 Comment
  CAS-BOT-BC68900  Aspidotis californica I. Johnston 1917-2-4 s.n. Los Angeles Evey Canyon Comment
  CAS-BOT-BC71155  Notholaena californica I. M. Johnston 1928-4-27 1864 Los Angeles Temescal Canyon (between Elsinore and Corona) 365 Comment
  CAS-BOT-BC71781  Pityrogramma triangularis var. viscosa I. M. Johnston 1918-5-4 1926 Los Angeles Hills back of Laguna Beach 152 Comment
  CAS-BOT-BC71782  Pityrogramma triangularis var. viscosa I. M. Johnston 1918-5-4 1926 Los Angeles Hills back of Laguna Beach 152 Comment
  CAS-BOT-BC73798  Peritoma arborea var. arborea J. Johnston 1917-4-11 s.n. Los Angeles Dominguez Mesa Comment
  CAS-BOT-BC73799  Peritoma arborea var. arborea J. Johnston 1917-4-11 s.n. Los Angeles Malibu Coast - mout of Trancas Cyn., north of Pacific coast Hwy. USGS Point Dume quad. 7 Comment
  CAS-BOT-BC73888  Turritis glabra I. Johnston 1917-5-6 1919 Los Angeles Evey Canyon. 762 Comment
  CAS-BOT-BC74958  Sinapis arvensis I. Johnston 1918-2-1 1969 Los Angeles Upland. Comment
  CAS-BOT-BC81971  Ephedra viridis I. M. Johnston 1917-8-23 1721 Los Angeles San Antonio Mountains. Prairie Fk of San Gabriel R. 1524 Comment
  CAS-BOT-BC8448  Lupinus excubitus var. johnstonii Ivan Murray Johnston 1917-6-20 1491 Los Angeles San Antonio Mountains. Baldy Lookout of U.S.F.S. 1981 Comment
  CAS-BOT-BC91391  Clematis lasiantha I. Johnston 1917-5-6 1916 Los Angeles Ebey Canon [Canyon]. 914 Comment
  CAS-BOT-BC91677  Platystemon californicus I. Johnston 1917-4-11 s.n. Los Angeles Near Nigger Slough [locality name change to'Laguna Dominguez']. Comment
  CAS-BOT-BC92453  Ribes aureum var. gracillimum I. M. Johnston 1920-1-4 3229 Los Angeles Lone Hill south of Glendora. Comment
  CAS-BOT-BC93698  Artemisia ludoviciana subsp. incompta I. M. Johnston 1917-8-22 1651 Los Angeles Pine Mt. Ridge - San Antonio Mountains 2438 Comment
  CAS-BOT-BC97968  Symphyotrichum greatae I. M. Johnston 1917-10-27 1761 Los Angeles Evey [Canon] Canyon 914 Comment
  CAS-BOT-BC97971  Symphyotrichum greatae I. M. Johnston 1917-9-16 1725 Los Angeles Coldwater [Canon] Canyon, San Gabriel Watershed 1219 Comment
  CAS-BOT-BC97994  Symphyotrichum hesperium I. M. Johnston 1917-8-20 1641 Los Angeles Camp Baldy 1280 Comment
  CAS-BOT-BC97995  Symphyotrichum hesperium I. M. Johnston 1917-7-4 1427 Los Angeles Camp Baldy, San Antonio [Canon] Canyon 1280 Comment
  CAS-BOT-BC99400  Symphyotrichum subulatum var. parviflorum I. Johnston 1917-4-11 s.n. Los Angeles Nigger Slough [locality name change to'Laguna Dominguez'] Comment
  JEPS14971  Cycladenia humilis var. venusta I. M. Johnston 1917-7-4 1428 Los Angeles s. slope of Baldy (Hardscramble); San Antonio Mts. 2286 Comment
  JEPS22807  Symphyotrichum greatae I. M. Johnston 1917-10-27 1761 Los Angeles Evey Canyon; San Antonio Mountains, Evey Canyon 914 Comment
Read comments
Aug 20 2007
  JEPS22809  Symphyotrichum greatae I. M. Johnston 1917-9-16 1725 Los Angeles Coldwater Canon San Antonio Mountains, San Gabriel Watershed 1219 Comment
  JEPS22827  Symphoricarpos rotundifolius var. parishii I. M. Johnston 1917-9-16 1727 Los Angeles w spur Baldy; San Antonio Mountains 2743 Comment
  JEPS27148  Collinsia torreyi var. wrightii I. M. Johnston 1917-8-22 Los Angeles saddle between Baldy and Pine Mt. Pine Mt.; San Antonio Mtns 2667 Comment
  JEPS47632  Allium burlewii I. M. Johnston 1917-6-20 1490 Los Angeles Baldy Lookout of U.S. Forest Service San Antonio Mountains, Mt. San Antonio, Baldy Lookout 2133 Comment
  JEPS47633  Allium burlewii I. M. Johnston 1917-7-4 1484 Los Angeles Head of San Antonio Canyon San Antonio Mountains, San Antonio Canyon 2438 Comment
  JEPS518  Allium monticola I. M. Johnston 1917-7-4 1446 Los Angeles Head of San Antonio Canyon San Antonio Mountains, San Antonio Canyon 2438 Comment
  JEPS56722  Eriogonum microthecum var. johnstonii I. M. Johnston 1917-9-16 1726 Los Angeles w spur of Baldy ( = Mt. San Antonio ) San Antonio Mountains, Baldy ( = Mt. San Antonio ) 2743 Comment
Read comments
Jan 4 2012
  JEPS63341  Monardella lanceolata I. M. Johnston 1918-9-1 2139 Los Angeles Brown's Flats San Gabriel Mts., San Antonio Mts. 1310 Comment
  JEPS9467  Galium angustifolium subsp. gabrielense I. M. Johnston 1917-6-20 1262 Los Angeles Baldy Lookout of USFS San Antonio Mountains 2133 Comment
  JEPS9475  Galium parishii I. M. Johnston 1917-8-21 1698 Los Angeles head of canyon San Antonio Mountains, San Antonio Canyon 2438 Comment
  LA200441  Astragalus trichopodus var. phoxus Sharon Johnston; 1957-5-14 32 Los Angeles SANTA MONICA MOUNTAINS, Mullholland Dr. 0.5 mi east of Alhama Dr. 396 Comment
  LA200570  Phacelia parryi Sharon Johnston; 1957-5-9 23 Los Angeles 30 Comment
  LA200701  Clarkia bottae Sharon Johnston; 1957-5-14 35 Los Angeles Santa Monica Mountains, Mulholland Road, 6.0 mi W of Fire Station 396 Comment
  LA200718  Dendromecon rigida Sharon Johnston; 1957-4-11 20 Los Angeles 548 Comment
  LA200791  Delphinium parryi subsp. parryi Sharon Johnston; 1957-5-14 33 Los Angeles SANTA MONICA MOUNTAINS, Mullholland Dr. 0.5 mi east of Alhama Dr. 396 Comment
  LA200856  Mimulus aurantiacus Sharon Johnston; 1957-4-30 48 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Dr, 1.5 mi W of Beverly Glen Blvd. 365 Comment
  LA200923  Dichelostemma capitatum subsp. capitatum Sharon Johnston; 1957-3-13 9 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). 160 Comment
  LA200931  Bloomeria crocea Sharon Johnston; 1957-5-14 34 Los Angeles SANTA MONICA MOUNTAINS, Mullholland Dr. 0.5 mi east of Alhama Dr. 396 Comment
  LA202225  Quercus berberidifolia Sharon Johnston; 1957-3-3 6 Los Angeles 243 Comment
  LA202589  Eschscholzia californica Sharon Johnston; 1957-5-9 22 Los Angeles 30 Comment
  LA204412  Erysimum suffrutescens Sharon Johnston; 1957-3-26 M 206 -14 Los Angeles Playa del Ray, 300 E Killgore off Vista Del Mar 30 Comment
  LA208531  Populus fremontii subsp. fremontii Sharon Johnston; 1957-3-31 40 Los Angeles Frenchman's Flats, 15 mi. S of Gormon on Hwy 99 1371 Comment
Read comments
Jun 18 2014
  LA210073  Stanleya pinnata Sharon Johnston; 1957-5-9 30 Los Angeles Santa Monica Mountains, Malibu, 0.25 mi W of Malibu Pier on US Hwy 101 30 Comment
  LA50075  Calystegia macrostegia subsp. intermedia Sharon Johnston; 1957-3-7 M 387 Los Angeles Vacant lot at Hilgard Ave. and Le Conte Ave. near UCLA 182 Comment
  LA50723  Ribes speciosum Sharon Johnston; 1957-3-3 5 Los Angeles Santa Monica Mountains, La Tuna Canyon, Tuna Canyon 1/2 way to top of ridge 152 Comment
  LA52227  Ceanothus megacarpus var. megacarpus Sharon Johnston; 1957-3-3 M- 302 Los Angeles Santa Monica Mountains, La Tuna Canyon, Tuna Canyon 1/2 way to top of ridge 152 Comment
  LA52231  Ceanothus integerrimus Sharon Johnston; 1957-3-3 M- 300 Los Angeles Tuna Canyon 1/2 mi from US 101 30 Comment
  POM1007  Sparganium erectum subsp. stoloniferum I. M. Johnston 1917-6-10 1310 Los Angeles Cienega , West of Los Angeles. Comment
  POM1031  Bothriochloa barbinodis I. M. Johnston 1917-11-30 1800 Los Angeles Mouth of Live Oak Canyon. 457 Comment
  POM1036B  Nassella cernua I. M. Johnston 1917-6-10 1300 Los Angeles Near Mesmer. 30 Comment
  POM1048  Echinochloa crus-pavonis I. M. Johnston 1918-8-4 2111 Los Angeles North Pomona. Alt. 1200 ft. 366 Comment
  POM1059  Phalaris minor I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 84 Comment
  POM1061  Phalaris minor I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
Read comments
Oct 7 2008
  POM1063  Phalaris lemmonii I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  POM1081  Achnatherum occidentale subsp. californicum I. M. Johnston 1917-8-22 1637 Los Angeles North slope of Baldy 2651 Comment
  POM11172  Dodecatheon redolens I. M. Johnston 1917-8-22 1648 Los Angeles San Antonio Mts. Pairire Fork of the San Gabriel River marshy ground in a small side canyon 2134 Comment
  POM11177  Senecio triangularis I. M. Johnston 1917-8-22 1679 Los Angeles San Antonio Mts. Pairire Fork of the San Gabriel River marshy ground in a small side canyon 2133 Comment
  POM11181  Tauschia parishii I. M. Johnston 1917-7-1 1749 Los Angeles San Antonio Mountains; Near Browns Flats. 1372 Comment
  POM11182  Arctostaphylos glandulosa subsp. mollis I. M. Johnston 1917-7-1 1748 Los Angeles Evey Canyon. 1067 Comment
  POM11187  Garrya veatchii I. M. Johnston 1917-7-28 1578 Los Angeles San Antonio Ca - on 1753 Comment
  POM11252  Eleocharis parishii I. M. Johnston 1917-8-23 1631 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  POM11311  Aster greatae I. M. Johnston 1917-10-17 1761 Los Angeles Evey Canyon 915 Comment
  POM11331  Monardella cinerea I. M. Johnston 1917-7-4 1449 Los Angeles South slope of Baldy. 2363 Comment
  POM11337  Eriogonum elongatum var. elongatum I. M. Johnston 1917-8-23 1716 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  POM11338  Lilium parryi I. M. Johnston 1917-8-22 1703 Los Angeles Prarie Fork of San Gabriel River, San Antonio Mountains. 2134 Comment
  POM11339  Eriogonum nudum var. pauciflorum I. M. Johnston 1911-8-27 1699 Los Angeles San Antonio Mountains: San Antonio Canyon 2210 Comment
  POM1138  Polypogon viridis I. M. Johnston 1917-5-13 1021 Los Angeles El Monte. 84 Comment
  POM11381  Ribes cereum var. cereum I. M. Johnston 1917-7-4 1419 Los Angeles near summit of Baldy 2896 Comment
  POM11385  Clarkia rhomboidea I. M. Johnston 1917-7-3 1404 Los Angeles San Antonio Canyon 1829 Comment
  POM11388  Turricula parryi I. M. Johnston 1917-7-1 1437 Los Angeles Evey Canyon 1372 Comment
  POM11417  Epilobium canum subsp. latifolium I. M. Johnston 1917-7-26 1586 Los Angeles San Antonio Canyon. 2287 Comment
  POM11420  Arctostaphylos parryana I. M. Johnston 1917-7-28 1575 Los Angeles San Antonio Canyon, San Antonio Mountains 1677 Comment
  POM1143  Agrostis exarata I. M. Johnston 1917-8-23 1634 Los Angeles Prairie Fork of San Gabriel River. 2134 Comment
  POM11474  Astragalus bicristatus I. M. Johnston 1917-8-24 1656 Los Angeles San Gabriel Mountains: Prairie fork of San Gabriel River. 1677 Comment
  POM11476  Salix exigua I. M. Johnston 1917-8-23 1685 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  POM11480  Tauschia parishii I. M. Johnston 1917-6-20 1168 Los Angeles Baldy Lookout of USFS. 2134 Comment
  POM1160  Deschampsia danthonioides var. gracilis I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  POM1171  Koeleria macrantha I. M. Johnston 1917-7-1 1520 Los Angeles San Antonio Mountains; Near Browns Flats. 1372 Comment
  POM1172  Koeleria macrantha I. M. Johnston 1917-7-3 1521 Los Angeles San Antonio Canyon 1829 Comment
  POM1175  Koeleria macrantha I. M. Johnston 1917-6-14 1303 Los Angeles West of Pomona. Comment
  POM1179  Leptochloa fusca subsp. uninervia I. M. Johnston 1910-10-21 2163 Los Angeles Los Angeles river at Aliso St. bridge Comment
  POM11792  Rosa woodsii subsp. gratissima I. M. Johnston 1917-8-23 1704 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  POM1184  Eragrostis mexicana subsp. virescens I. M. Johnston 1918-5-19 2004 Los Angeles Claremont 366 Comment
  POM1185  Eragrostis mexicana subsp. virescens I. M. Johnston 1918-5-27 s.n. Los Angeles Claremont 366 Comment
  POM1200  Melica imperfecta I. M. Johnston 1918-6-2 2021 Los Angeles San Antonio Mountians, Evey Canyon. 915 Comment
  POM1201  Melica imperfecta I. M. Johnston 1918-6-2 2020 Los Angeles San Antonio Mountians, Evey Canyon. 915 Comment
  POM1203  Melica stricta I. M. Johnston 1918-7-6 2065 Los Angeles Prairie Fork of San Gabriel River. 2287 Comment
  POM1214  Melica imperfecta I. M. Johnston 1917-5-6 1013 Los Angeles Evey Canyon mouth. [San Gabriel Mountains]. Comment
  POM1221  Vulpia microstachys var. pauciflora I. M. Johnston 1918-5-19 2001 Los Angeles Hills south of Pomona. 366 Comment
  POM1227  Vulpia octoflora var. octoflora I. M. Johnston 1918-6-2 s.n. Los Angeles San Antonio Mountians, Evey Canyon. 915 Comment
  POM1240  Poa secunda subsp. secunda I. M. Johnston 1917-5-6 1014 Los Angeles open place on Canyon floor 2133 Comment
  POM1242  Poa secunda subsp. secunda I. M. Johnston 1917-7-20 1355 Los Angeles Baldy lookout of USFS 2133 Comment
  POM1248  Poa annua I. M. Johnston 1916-12-29 s.n. Los Angeles Claremont 366 Comment
  POM1285  Lolium temulentum I. M. Johnston 1916-12-29 s.n. Los Angeles Claremont, just south of town. Comment
  POM1296  Elymus glaucus subsp. jepsonii I. M. Johnston 1918-5-12 1953 Los Angeles San Antonio Mountains. San Antonio Canyon 915 Comment
  POM1297  Elymus glaucus subsp. glaucus I. M. Johnston 1917-7-1 1518 Los Angeles San Antonio Mountains; Near Browns Flats. 1372 Comment
  POM13  Mimulus johnstonii I. M. Johnston 1917-6-20 1486 Los Angeles Baldy Lookout of USFS, under Pines [probably summit of Lookout Mtn.] 2134 Comment
Read comments
Sep 6 2010
  POM1306  Hordeum brachyantherum subsp. californicum I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  POM1309  Elymus glaucus subsp. glaucus I. M. Johnston 1918-6-2 s.n. Los Angeles San Antonio Mountians, Evey Canyon. 915 Comment
  POM1311  Leymus triticoides I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte, in ditch along R.R. 106 Comment
  POM1326  Elymus elymoides subsp. californicus I. M. Johnston 1917-8-22 1638 Los Angeles Summit of Baldy. 3049 Comment
  POM1333  Elymus elymoides subsp. californicus I. M. Johnston 1917-6-20 1304 Los Angeles Baldy Lookout of USFS. 2134 Comment
  POM1364  Eleocharis palustris I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough . [locality name change to Laguna Dominguez ] Comment
  POM1370  Eleocharis montevidensis I. M. Johnston 1917-6-14 1909 Los Angeles West of Pomona. Comment
  POM1373  Eleocharis montevidensis var. montevidensis I. M. Johnston 1917-5-13 1019 Los Angeles El Monte. 84 Comment
  POM1382  Isolepis cernua I. M. Johnston 1917-6-14 1344 Los Angeles West of Pomona. Comment
  POM1384  Scirpus acutus var. occidentalis I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 122 Comment
  POM1406  Schoenoplectus americanus I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 84 Comment
  POM1413  Scirpus microcarpus I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 61 Comment
  POM1419  Scirpus microcarpus I. M. Johnston 1917-6-14 1345 Los Angeles West of Pomona. Comment
  POM1430  Carex alma I. M. Johnston 1917-5-13 27 -D Los Angeles El Monte. 122 Comment
  POM1462  Carex globosa I. M. Johnston 1918-9-1 2132 Los Angeles Canyon (Fern C.) north of Brown's Flats. 1280 Comment
  POM149  Delphinium patens subsp. hepaticoideum I. M. Johnston 1917-5-6 1924 Los Angeles Evey Canyon, north of Claremont 762 Comment
  POM1509  Carex triquetra I. M. Johnston 1917-3-6 1917 Los Angeles Evey Canyon, north of Claremont 915 Comment
  POM1513  Carex spissa I. M. Johnston 1917-5-13 27 -A Los Angeles El Monte. 122 Comment
  POM1544  Juncus bufonius I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough . [locality name change to Laguna Dominguez ] Comment
  POM1547  Juncus bufonius I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. Comment
  POM1550  Juncus bufonius I. M. Johnston 1917-6-14 1347 Los Angeles West of Pomona. Comment
  POM1581  Dudleya multicaulis I. M. Johnston 1917-05 1290 Los Angeles Mts. North of Claremont Johnston's Pasture. 609 Comment
  POM1584  Lithophragma affine I. M. Johnston 1917-5-6 1927 Los Angeles Evey Canyon, north of Claremont 762 Comment
  POM1590  Juncus saximontanus I. M. Johnston 1917-8-23 1632 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  POM1591  Juncus xiphioides I. M. Johnston 1917-8-23 1684 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  POM1597  Juncus textilis I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 122 Comment
  POM1602  Juncus rugulosus I. M. Johnston 1916-10-15 s.n. Los Angeles Evey Canon by creek, north of Claremont. Comment
  POM1605  Juncus rugulosus I. M. Johnston 1917-6-14 1341 Los Angeles West of Pomona. Comment
  POM1608  Juncus phaeocephalus I. M. Johnston 1917-5-13 s.n. Los Angeles [El Monte?] Ditch along Railroad. 114 Comment
  POM1612  Juncus phaeocephalus var. paniculatus I. M. Johnston 1917-6-14 1911 Los Angeles West of Pomona. Comment
  POM1613  Juncus phaeocephalus I. M. Johnston 1917-6-10 1308 Los Angeles Cienega , West of Los Angeles. Comment
  POM1621  Juncus macrophyllus I. M. Johnston 1916-10-15 s.n. Los Angeles Evey Canon by creek, north of Claremont. Comment
  POM1623  Juncus macrophyllus I. M. Johnston 1917-6-14 1342 Los Angeles West of Pomona. Comment
  POM1638  Allium burlewii I. M. Johnston 1917-7-4 1484 Los Angeles head of San Antonio Canyon. 2439 Comment
  POM1646  Allium monticola I. M. Johnston 1918-6-16 2031 Los Angeles Ice Canyon 2134 Comment
  POM1647  Allium monticola I. M. Johnston 1917-7-4 1446 Los Angeles head of San Antonio Canyon. 2439 Comment
  POM1668  Vicia americana subsp. americana I. M. Johnston 1917-6-15 1266 Los Angeles Spring Hill, San Antonio Canyon 1372 Comment
  POM1711  Calochortus invenustus I. M. Johnston 1917-7-4 1379 Los Angeles Bear Flat Trail to Baldy Comment
  POM1735  Ulex europaeus I. M. Johnston 1917-6-10 1306 Los Angeles Playa del Rey. Comment
  POM1740  Astragalus pomonensis I. M. Johnston 1918-4-21 1852 Los Angeles Deer Canon Wash near Etiwanda. 396 Comment
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Feb 20 2017
  POM1744  Astragalus trichopodus var. lonchus I. M. Johnston 1917-6-10 1319 Los Angeles Near Mesmer. 30 Comment
  POM175018  Opuntia basilaris var. basilaris I. M. Johnston 1917-4-21 s.n. Los Angeles San Antonio wash, west of Upland. Comment
  POM1767  Sisyrinchium bellum I. M. Johnston 1917-5-13 1022 Los Angeles El Monte. 84 Comment
  POM1787  Asparagus officinalis I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 84 Comment
  POM179496  Salix exigua I. M. Johnston 1917-7-3 1401 Los Angeles Near head of San Antonio Canyon 2287 Comment
  POM179497  Salix exigua I. M. Johnston 1918-7-5 2087 Los Angeles Near head of San Antonio Canyon. 2287 Comment
  POM1828  Prunus virginiana var. demissa I. M. Johnston 1917-8-23 1712 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  POM1837  Holodiscus microphyllus I. M. Johnston 1917-8-22 1696 Los Angeles Summit of Baldy. 3049 Comment
  POM1838  Holodiscus microphyllus I. M. Johnston 1917-7-28 1570 Los Angeles San Antonio Mountains. N Fork San Antonio Canyon (Old Gold Ridge Mine) 2439 Comment
  POM1881  Lotus heermannii I. M. Johnston s.n. Los Angeles El Monte 122 Comment
  POM1908  Lotus oblongifolius I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 91 Comment
  POM1910  Lotus oblongifolius var. oblongifolius I. M. Johnston 1917-6-20 1907 j Los Angeles Camp Baldy 1220 Comment
  POM1950  Trifolium wormskioldii I. M. Johnston 1917-5-13 27 -F Los Angeles El Monte. 122 Comment
  POM1963  Trifolium ciliolatum I. M. Johnston 1917-4-11 s.n. Los Angeles Gardena 16 Comment
  POM1964  Trifolium ciliolatum I. M. Johnston 1917-5-6 1918 Los Angeles Evey Canon, north of Claremont. 685 Comment
  POM2016  Anemopsis californica I. M. Johnston 1917-5-13 1028 Los Angeles El Monte. Comment
  POM2030  Salix lasiolepis I. M. Johnston 1918-5-12 1955 Los Angeles San Antonio Mountains. N.7k San Antonio Canyon (Old Gold Ridge Mine) 2439 Comment
  POM2032  Salix gooddingii I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  POM2055  Salix laevigata I. M. Johnston 1917-5-13 1903 Los Angeles El Monte. 122 Comment
  POM2057  Salix laevigata I. M. Johnston 1918-3-14 1988 Los Angeles San Gabriel River at El Monte. 91 Comment
  POM2064  Salix lasiolepis I. M. Johnston 1918-3-14 1989 Los Angeles San Gabriel River at El Monte. 91 Comment
  POM2068  Salix exigua I. M. Johnston 1918-7-5 2087 Los Angeles San Antonio Mountains, near head of San Antonio Canyon. 2287 Comment
  POM2071  Salix exigua I. M. Johnston 1917-5-13 1242 Los Angeles El Monte. 91 Comment
  POM2073  Salix exigua I. M. Johnston 1917-4-11 s.n. Los Angeles Compton Creek near Dominguez. Comment
  POM2078  Salix exigua I. M. Johnston 1917-8-23 1685 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  POM210  Eschscholzia californica var. crocea I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  POM2103  Quercus engelmannii I. M. Johnston 1918-3-29 s.n. Los Angeles Lone Hill, South of Glendora 305 Comment
  POM211  Ribes malvaceum var. viridifolium I. M. Johnston 1917-7-1 1752 Los Angeles Near Brown s Flats. 1524 Comment
  POM2110  Quercus durata var. gabrielensis I. M. Johnston 1918-9-1 2138 Los Angeles Fern Canyon, north of Brown's Flat; (just north of Pomona 'P') Comment
  POM2115  Quercus wislizeni var. frutescens I. M. Johnston 1916-11-27 s.n. Los Angeles Above Claremont. 1220 Comment
  POM2140  Phoradendron villosum I. M. Johnston 1917-7-23 1719 Los Angeles Prairie Fork of San Gabriel River. Altitude 4700 feet. 1433 Comment
  POM2146  Phoradendron libocedri I. M. Johnston 1917-8-23 1718 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1433 Comment
  POM2150  Arceuthobium campylopodum I. M. Johnston 1917-8-22 1720 Los Angeles Prairie Fork of San Gabriel River. 1982 Comment
  POM2152  Pterostegia drymarioides I. M. Johnston 1918-6-23 s.n. Los Angeles Spring Hill, San Antonio Canyon; Upper Sonoran Zone. 1280 Comment
  POM2196  Chorizanthe staticoides I. M. Johnston 1914-5-13 27 P Los Angeles San Gabriel Wash. 152 Comment
  POM2279  Eriogonum davidsonii I. M. Johnston 1918-9-1 2134 Los Angeles San Antonio Mountains: Browns Flat 1311 Comment
  POM2280  Eriogonum davidsonii I. M. Johnston 1917-7-3 1406 Los Angeles San Antonio Canyon 1829 Comment
  POM2349  Rumex salicifolius I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 107 Comment
  POM2362A  Eriogonum saxatile I. M. Johnston 1917-7-3 1463 Los Angeles San Antonio Mountains: Upper San Antonio Canyon 1982 Comment
  POM2402  Medicago lupulina I. M. Johnston 1917-6-15 1277 Los Angeles Camp Baldy. Comment
  POM2425  Lupinus longifolius I. M. Johnston 1917-6-10 1337 Los Angeles Playa del Rey. Comment
  POM2430  Lupinus longifolius I. M. Johnston 1910-5-5 1896 Los Angeles Trunbull Canyon, Puente Hills. 366 Comment
  POM2476  Lotus crassifolius var. crassifolius I. M. Johnston 1917-7-1 1751 Los Angeles San Antonio Mountains; Near Browns Flats. 1372 Comment
  POM248  Ribes aureum var. gracillimum I. M. Johnston 1918-6-2 s.n. Los Angeles San Antonio Canon [Canyon] Wash (Between Upland and Claremont) 366 Comment
  POM2487  Rosa californica I. M. Johnston 1917-7-29 1590 Los Angeles San Antonio Mountains, San Antonio Canyon. 1601 Comment
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May 15 2007
  POM2492  Lotus crassifolius var. crassifolius I. M. Johnston 1917-6-20 1495 Los Angeles Baldy Lookout of USFS. 2134 Comment
  POM2499  Lupinus excubitus var. johnstonii I. M. Johnston 1917-6-20 1491 Los Angeles San Antonio Mountains: Baldy Lookout of U.S.F.S. 1982 Comment
  POM2512  Lupinus formosus var. formosus I. M. Johnston 1917-7-1 1754 Los Angeles San Antonio Mountains. Browns Flats. 1310 Comment
  POM2532  Lupinus excubitus var. johnstonii I. M. Johnston 1917-6-20 1492 Los Angeles San Antonio Mountains: Baldy Lookout of U.S.F.S. 1982 Comment
  POM2554  Lupinus chamissonis I. M. Johnston 1917-6-10 1338 Los Angeles Ballona Creek, near Mesmer. Comment
  POM2565  Astragalus lentiginosus var. antonius I. M. Johnston 1917-8-24 1655 Los Angeles San Gabriel Mountains: Prairie fork of San Gabriel River. 1676 Comment
  POM25659  Astragalus trichopodus var. lonchus I. M. Johnston 1917-4-11 965 Los Angeles N*r Slough. [locality name change to Laguna Dominguez] 24 Comment
  POM2574  Hoita macrostachya I. M. Johnston 1915-8-4 s.n Los Angeles Hills west of Pomona 274 Comment
  POM2591  Prunus emarginata I. M. Johnston 1918-7-5 2079 Los Angeles San Antonio Mountains: head of San Antonio Canyon. 2348 Comment
  POM2593  Amelanchier utahensis I. M. Johnston 1917-8-22 1711 Los Angeles Prarie Fork of San Gabriel River, San Antonio Mountains. 2134 Comment
  POM2614  Lupinus excubitus var. austromontanus I. M. Johnston 1918-7-6 2078 Los Angeles Prairie fork of San Gabriel River 2073 Comment
  POM2649  Astragalus bicristatus I. M. Johnston 1918-6-23 2039 Los Angeles West end of Ontario Pk. (Cascade Canyon). 1829 Comment
  POM2650  Astragalus bicristatus I. M. Johnston 1918-7-6 2056 Los Angeles Prairie Fork of San Gabriel River 2134 Comment
  POM2666  Rosa californica I. M. Johnston 1918-8-14 2121 Los Angeles Hills west of Pomona, 305 Comment
  POM2676  Potentilla glandulosa subsp. nevadensis I. M. Johnston 1918-7-6 2066 Los Angeles Prairie Fork of San Gabriel River 2134 Comment
  POM2722  Rhus ovata I. M. Johnston 1918-6-2 s.n. Los Angeles San Antonio Canon Wash (Between upland and Claremont) 365 Comment
  POM2815  Rhamnus tomentella subsp. cuspidata I. M. Johnston 1917-8-22 1709 Los Angeles Prarie Fork of San Gabriel River, Lower Transition Zone. 1982 Comment
  POM2835  Ceanothus crassifolius I. M. Johnston 1917-2-14 s.n. Los Angeles Evey Canyon. Comment
  POM2838  Ceanothus oliganthus var. oliganthus I. M. Johnston 1917-9-17 1724 Los Angeles Cow Ca - on 915 Comment
  POM2881  Geranium carolinianum I. M. Johnston 1917-05 1023 Los Angeles El Mouth Ditch along Railroad 84 Comment
  POM2917  Tamarix parviflora I. M. Johnston 1917-4-11 s.n. Los Angeles Wilmington. Comment
  POM2925  Frankenia grandifolia I. M. Johnston 1917-6-10 1269 Los Angeles Ballona Creek, near Mesmer Comment
  POM2936  Malacothamnus fremontii I. M. Johnston 1917-8-22 1673 Los Angeles San Antonio Mts., Prairie Fork of the San Gabriel River 1905 Comment
  POM2950  Malvella leprosa I. M. Johnston 1917-6-10 1315 Los Angeles Ballona Creek, near Mesmer Comment
  POM2966  Mentzelia veatchiana I. M. Johnston 1917-7-1 1755 Los Angeles Brown s Flats. 1311 Comment
  POM3033  Viola purpurea subsp. purpurea I. M. Johnston 1917-7-1 1760 Los Angeles Near Brown's Flats. 1524 Comment
  POM3039  Lythrum californicum I. M. Johnston 1917-6-10 1901 Los Angeles Ballona Creek, near Mesmer Comment
  POM3045  Datisca glomerata I. M. Johnston 1914-5-13 1024 Los Angeles El Monte Comment
  POM312  Platystemon californicus I. M. Johnston 1917-4-11 13777 Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  POM3141  Epilobium glaberrimum subsp. glaberrimum I. M. Johnston 1918-7-6 2075 Los Angeles Prairie Fork of San Gabriel River. 2287 Comment
  POM3150  Epilobium ciliatum subsp. ciliatum I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 91 Comment
  POM3207  Camissonia strigulosa I. M. Johnston 1917-7-1 s.n. Los Angeles San Antonio Mountains. Browns Flats. 1311 Comment
  POM321  Meconella denticulata I. Johnston 1917-5-6 1925 Los Angeles Evey Canyon: N of Claremont. 625 Comment
  POM3226  Gayophytum oligospermum I. M. Johnston 1917-7-1 1441 Los Angeles San Antonio Mountains; Near Browns Flats. 1372 Comment
  POM3238  Camissonia micrantha I. M. Johnston 1917-5-6 1932 Los Angeles Evey Canon, north of Claremont. 686 Comment
  POM3279  Arctostaphylos glandulosa subsp. mollis I. M. Johnston 1917-7-1 1748 Los Angeles Evey Canyon. 1372 Comment
  POM3280  Arctostaphylos glandulosa subsp. mollis I. M. Johnston 1918-11-17 s.n. Los Angeles On summit trail at north end at start of new trail' down to Hog Back 1433 Comment
  POM3282  Arctostaphylos glandulosa subsp. gabrielensis I. M. Johnston 1918-11-17 s.n. Los Angeles on Sunset Trail at point where trail goes off to Sunset Peak 1646 Comment
  POM3285  Arctostaphylos glandulosa subsp. mollis I. M. Johnston 1918-6-23 s.n. Los Angeles Cascade Canyon (fork of San Antonio Canyon) 1280 Comment
  POM3301  Garrya flavescens I. M. Johnston 1918-5-19 1982 Los Angeles Upper San Antonio Canyon. 1585 Comment
  POM3304  Garrya veatchii I. M. Johnston 1918-5-19 1984 Los Angeles San Antonio Canyon. 1067 Comment
  POM3308  Oenanthe sarmentosa I. M. Johnston 1917-6-10 1309 Los Angeles Cienega , West of Los Angeles. Comment
  POM3311  Lomatium lucidum I. M. Johnston 1917-7-1 s.n. Los Angeles Evey Canon. 1372 Comment
  POM3334  Tauschia parishii I. M. Johnston 1917-6-20 1168 Los Angeles Baldy Lookout of USFS. 2134 Comment
  POM3335  Tauschia parishii I. M. Johnston 1917-7-1 1749 Los Angeles San Antonio Mountains; Near Browns Flats. 1372 Comment
  POM3337  Oreonana vestita I. M. Johnston 1917-7-4 1413 Los Angeles near summit of Baldy 2896 Comment
  POM3338  Camissonia cheiranthifolia subsp. suffruticosa I. M. Johnston 1916-6-10 s.n. Los Angeles Playa del Rey. Comment
  POM3360  Cycladenia humilis var. venusta I. M. Johnston 1917-7-4 1428 Los Angeles South slope of Baldy. 2363 Comment
  POM3369  Funastrum cynanchoides var. hartwegii I. M. Johnston 1918-5-15 s.n. Los Angeles Claremont. [Campus by Harwood Hall.] 366 Comment
  POM3371  Asclepias californica I. M. Johnston 1917-7-20 1266 Los Angeles Baldy lookout of USFS 2133 Comment
  POM3379  Apocynum cannabinum I. M. Johnston 1917-8-21 1661 Los Angeles Upper San Antonio Canyon. 2287 Comment
  POM3408  Arctostaphylos glauca I. M. Johnston 1917-1-28 s.n. Los Angeles Mouth of San Antonio Canyon Comment
  POM3410  Arctostaphylos glandulosa subsp. mollis I. M. Johnston 1918-11-17 s.n. Los Angeles On the sunset trail (in upper part of Wolfskill Canyon) near head of old trail to Brown's Flats. 1433 Comment
  POM3416  Sanicula bipinnata I. M. Johnston 1918-5-19 2003 Los Angeles Hills south of Pomona 366 Comment
  POM342  Arenaria serpyllifolia I. M. Johnston 1918-4-25 1978 Los Angeles Claremont. 366 Comment
  POM3421  Sanicula tuberosa I. M. Johnston 1917-5-6 1923 Los Angeles Evey Canyon, north of Claremont 762 Comment
  POM344  Minuartia douglasii I. M. Johnston 1917-6-20 1356 Los Angeles Baldy Lookout of USFS. 2134 Comment
  POM349139  Trifolium wormskioldii G. R. Johnstone 1930-6-22 s.n. Los Angeles Soledad Canyon near Ravenna. 762 Comment
  POM349525  Trifolium repens I. M. Johnston 1917-6-10 1307 Los Angeles Cienega , West of Los Angeles. Comment
  POM350144  Lupinus excubitus var. johnstonii I. M. Johnston 1930-6-26 16778 Los Angeles Camp Coldbrook 1524 Comment
  POM350147  Lupinus albifrons var. albifrons I. M. Johnston 1917-6-10 1337 Los Angeles Playa del Rey Comment
  POM351119  Brickellia californica Geo C. Johnstone 1930-9-14 s.n. Los Angeles Edison Rd. above Dark Canyon Comment
  POM351121  Brickellia californica Geo C. Johnstone 1927-10-30 s.n. Los Angeles upper part of Big Tujunga Canyon Comment
  POM351993  Chrysothamnus nauseosus subsp. mohavensis George R. Johnstone 1929-9-8 s.n. Los Angeles Lancaster, Mojave Desert. Comment
  POM3532  Gilia capitata subsp. abrotanifolia I. M. Johnston 1917-5-6 s.n. Los Angeles Evey Canon, north of Claremont. 685 Comment
  POM354838  Antirrhinum coulterianum G. R. Johnstone 1930-6-22 s.n. Los Angeles Near Ravenna; Soledad Canyon. Comment
  POM354861  Antirrhinum multiflorum I. M. Johnston 1917-6-20 s.n. Los Angeles San Antonio Canyon. 1067 Comment
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Sep 6 2010
  POM354862  Antirrhinum multiflorum G. R. Johnstone 1930-9-14 s.n. Los Angeles Edison Rd. above Dark Canyon Calif. San Gabriel Mts. 762 Comment
  POM355403  Gayophytum diffusum subsp. parviflorum G. R. Johnstone 1928-6-10 s.n. Los Angeles Mt. San Antonio: N slope just beyond saddle, near Sierra Club cabin. Comment
  POM355611  Oenothera deltoides subsp. deltoides G. R. Johnstone 1932-4-24 s.n. Los Angeles 15 miles E of Palmdale. Mojave Desert. Comment
  POM355636  Oenothera primiveris subsp. bufonis G. R. Johnstone 1932-4-24 s.n. Los Angeles 16 miles E of Palmdale. Mojave Desert. 1067 Comment
  POM357044  Melica imperfecta George R. Johnstone 1925-4-11 s.n. Los Angeles Mt. Lowe Comment
  POM357045  Melica imperfecta George R. Johnstone 1929-7-14 14089 Los Angeles Griffith Park. Comment
  POM3572  Linanthus concinnus I. M. Johnston 1917-6-15 1284 Los Angeles Mt. San Antonio, Icehouse Canyon. 1738 Comment
  POM357481  Erigeron divergens I. M. Johnston 1917-8-22 1708 Los Angeles Prairie Fk. of San Gabriel R. 1524 Comment
  POM357899  Eriophyllum confertiflorum var. confertiflorum I. M. Johnston 1917-7-3 1405 Los Angeles San Gabriel Mountains. Comment
  POM358084  Eriophyllum nevinii George R. Johnstone 1929-7-21 s.n. Los Angeles Santa Catalina Island. Comment
  POM358089  Eriophyllum nevinii George R. Johnstone 1926-9-5 s.n. Los Angeles San Clemente Island. Comment
  POM358711  Gnaphalium beneolens I. M. Johnston 1918-9-3 2146 Los Angeles Brea Canyon, Puente Hills 396 Comment
  POM358778  Gnaphalium californicum George R. Johnstone 1934-5-20 18983 Los Angeles Santa Catalina Is. Descanso Canyon. Comment
  POM359072  Grindelia camporum George R. Johnstone 1931-10-24 14031 Los Angeles Santa Susanna Mts. 915 Comment
  POM3591  Fraxinus dipetala I. M. Johnston 1918-6-2 s.n. Los Angeles San Antonio Mountians, Evey Canyon. 915 Comment
  POM359325  Ericameria cuneata var. cuneata George R. Johnstone 1927-10-30 s.n. Los Angeles Big Tujunga Canyon. Comment
  POM359432  Ericameria palmeri var. pachylepis George R. Johnstone 1931-10-24 14026 Los Angeles Santa Susanna Mts. 915 Comment
  POM359474  Hazardia squarrosa George R. Johnstone 1930-9-14 s.n. Los Angeles Edison Rd. above Dark Canyon Calif. San Gabriel Mts. 762 Comment
  POM359496  Isocoma menziesii var. vernonioides George R. Johnstone 1932-9-30 15843 Los Angeles Palos Verdes Hills. Comment
  POM3595  Fraxinus velutina var. coriacea I. M. Johnston 1918-7-28 2097 Los Angeles San Gabriel River at El Monte. 91 Comment
  POM360257  Hemizonia fasciculata George R. Johnstone 1934-5-20 18974 Los Angeles Santa Catalina Is. Descanso Canyon. Comment
  POM3603  Dodecatheon clevelandii subsp. clevelandii I. M. Johnston 1917-1-28 Cf. 13783 Los Angeles Mouth of San Antonio Canyon Comment
  POM361766  Lepidospartum squamatum Geo C. Johnstone 1927-10-30 s.n. Los Angeles upper part of Big Tujunga Canyon Comment
  POM362380  Malacothrix saxatilis var. tenuifolia George R. Johnstone 1930-9-14 s.n. Los Angeles Edison Road, Dark Canyon, Oakwide. 610 Comment
  POM3625  Navarretia prostrata I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough. [locality name change to Laguna Dominguez] Comment
  POM362614  Salix lasiolepis G. R. Johnstone 1931-10-24 s.n. Los Angeles Brown Canyon. Comment
  POM362615  Salix laevigata G. R. Johnstone 1932-4-17 15738 Los Angeles Big Tujunga. Comment
  POM362725  Salix lasiolepis G. R. Johnstone 1932-1-24 s.n. Los Angeles Twin Lakes. 305 Comment
  POM3628  Dodecatheon redolens I. M. Johnston 1918-7-6 2100 Los Angeles Prairie Fork of San Gabriel River 2134 Comment
  POM362908  Salix scouleriana I. M. Johnston 1917-8-22 1683 Los Angeles San Antonio Mountains: Pine Mt. 2591 Comment
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Jan 26 2011
  POM3639  Dodecatheon redolens I. M. Johnston 1917-8-22 1648 Los Angeles Prarie Fork of San Gabriel River, San Antonio Mountains. 2134 Comment
  POM363931  Bromus rubens George R. Johnstone 1925-4-11 s.n. Los Angeles Mt. Lowe Comment
  POM365313  Leymus condensatus George R. Johnstone 1934-5-20 s.n. Los Angeles Santa Catalina Island. Descanso Canon. Comment
  POM365315  Leymus condensatus George R. Johnstone 1931-5-18 s.n. Los Angeles Exposition Boulevard, Los Angeles. Comment
  POM365318  Leymus condensatus George R. Johnstone 1929-6-12 s.n. Los Angeles Culver City. Comment
  POM3656  Allophyllum divaricatum I. M. Johnston 1917-7-1 1439 Los Angeles Evey Canyon. 1067 Comment
  POM3661  Linanthus pungens I. M. Johnston 1917-7-4 1418 Los Angeles near summit of Baldy 2896 Comment
  POM366512  Potentilla glandulosa subsp. nevadensis I. M. Johnston 1918-7-6 2066 Los Angeles Prairie Fork of San Gabriel River 2134 Comment
  POM366909  Aquilegia formosa G. R. Johnstone 1930-6-15 s.n. Los Angeles Indian Canyon near Ravenna 1067 Comment
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Nov 8 2011
  POM367172  Arbutus menziesii G. R. Johnstone 1930-9-7 s.n. Los Angeles Mt. Wilson trail. 762 Comment
  POM367308  Arctostaphylos glauca I. M. Johnston 1929-4-7 s.n. Los Angeles near Pleasant View Ridge 1067 Comment
  POM367310  Arctostaphylos glauca I. M. Johnston 1930-2-9 4000 Los Angeles Burkhart Ranch 1220 Comment
  POM367313  Arctostaphylos glauca I. M. Johnston 1929-4-7 s.n. Los Angeles near Mt. Pleasant View Ridge Comment
  POM367610  Galium angustifolium subsp. gabrielense I. M. Johnston 1917-7-28 1591 Los Angeles San Antonio Canyon. 1753 Comment
  POM368336  Cryptantha circumscissa George R. Johnstone 1926-4-24 s.n. Los Angeles Antelope Valley, foothills S. of valley. Comment
  POM3706  Phacelia ramosissima var. austrolitoralis I. M. Johnston 1917-6-10 1322 Los Angeles Playa del Rey. Comment
  POM3735  Pholistoma auritum var. auritum I. M. Johnston 1917-5-6 1920 Los Angeles Evey Canyon, north of Claremont. 762 Comment
  POM3744  Pholistoma auritum var. auritum I. M. Johnston 1917-3-29 1249 Los Angeles Above Claremont. Comment
  POM3794  Phacelia egena I. M. Johnston 1918-7-6 2092 Los Angeles Prairie Fork of San Gabriel River. 2058 Comment
  POM3805  Phacelia brachyloba I. M. Johnston 1917-7-1 1744 Los Angeles San Antonio Mountains; Near Browns Flats. 1372 Comment
  POM3811  Cressa truxillensis I. M. Johnston 1917-6-10 1314 Los Angeles Near Mesmer. Comment
  POM3878  Eriodictyon trichocalyx var. trichocalyx I. M. Johnston 1917-5-6 s.n. Los Angeles Mouth of San Antonio Canon. 610 Comment
  POM3905  Cryptantha muricata var. jonesii I. M. Johnston 1918-5-12 1950 Los Angeles San Antonio Mountains. San Antonio Canyon. At Hog Back 1128 Comment
  POM3932  Amsinckia intermedia I. M. Johnston 1918-4-11 1833 Los Angeles Lone Hill south of Glendora. Grassy hillside. 366 Comment
  POM3963  Cryptantha microstachys I. M. Johnston 1918-6-2 2019 Los Angeles San Antonio Mountians, Evey Canyon. 915 Comment
  POM3994  Lamium amplexicaule I. M. Johnston 1918-8-4 2133 Los Angeles Claremont. Comment
  POM4011  Verbena lasiostachys var. lasiostachys I. M. Johnston 1917-6-10 1320 Los Angeles Near Mesmer. 30 Comment
  POM4024  Amsinckia menziesii var. menziesii I. M. Johnston 1918-4-11 1834 Los Angeles Lone Hill south of Glendora. Grassy hillside. 366 Comment
  POM4036  Salvia leucophylla I. M. Johnston 1918-5-4 1940 Los Angeles Turnbull Canyon, Puente Hills. 366 Comment
  POM4059  Stachys ajugoides I. M. Johnston 1917-6-10 1335 Los Angeles Ballona Creek, near Mesmer Comment
  POM4060  Lepechinia fragrans I. M. Johnston 1918-7-22 2104 Los Angeles San Antonio Mountains, Cucamonga Canyon. 915 Comment
  POM4064  Monardella cinerea I. M. Johnston 1917-8-22 1693 Los Angeles Little Baldy 2896 Comment
  POM4100  Trichostema parishii I. M. Johnston 1918-6-23 2041 Los Angeles Spring Hill, San Antonio Canon. Upper Sonoran Zone. Alt. 4400 ft. 1341 Comment
  POM4153  Pycnanthemum californicum I. M. Johnston 1917-8-23 1715 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1433 Comment
  POM4162  Solanum umbelliferum I. M. Johnston 1917-5-6 118 Los Angeles Evey Canyon, north of Claremont 762 Comment
  POM4173  Physalis philadelphica I. M. Johnston 1918-10-14 2161 Los Angeles Upland. Comment
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Feb 20 2017
  POM424  Silene parishii I. M. Johnston 1917-8-21 1670 Los Angeles Pine Mountain 2346 Comment
  POM4250  Solanum americanum I. M. Johnston 1918-7-29 2102 Los Angeles El Monte. Along Railroad. 91 Comment
  POM4266  Keckiella ternata subsp. ternata I. M. Johnston 1917-8-23 1676 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  POM4291  Antirrhinum multiflorum I. M. Johnston 1917-6-20 s.n. Los Angeles San Antonio Canyon. 1067 Comment
  POM4321  Collinsia heterophylla I. M. Johnston 1917-5-6 s.n. Los Angeles Evey Canyon, north of Claremont 762 Comment
  POM4326  Collinsia childii I. M. Johnston 1917-6-15 1282 Los Angeles Cascade Canyon. 1372 Comment
  POM435  Cardionema ramosissimum I. M. Johnston 1917-6-10 1268 Los Angeles Near Mesmer. Comment
  POM4377  Veronica peregrina var. xalapensis I. M. Johnston 1917-4-11 1018 Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  POM4381  Veronica arvensis I. M. Johnston 1918-4-25 1977 Los Angeles Claremont. 366 Comment
  POM4393  Symphoricarpos mollis I. M. Johnston 1918-5-19 2002 Los Angeles Hills south of Pomona 366 Comment
  POM4396  Symphoricarpos rotundifolius var. parishii I. M. Johnston 1917-9-16 1727 Los Angeles west slope of Baldy 2743 Comment
  POM4397  Symphoricarpos mollis I. M. Johnston 1918-8-25 2127 Los Angeles Evey Canyon. 915 Comment
  POM4403  Lonicera subspicata var. denudata I. M. Johnston 1917-5-13 980 Los Angeles In San Gabriel Wash. 152 Comment
  POM4407  Lonicera interrupta I. M. Johnston 1917-8-23 1713 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  POM4412  Galium angustifolium subsp. gabrielense I. M. Johnston 1917-6-20 1262 Los Angeles Baldy Lookout of USFS, under Pines [probably summit of Lookout Mtn.] 2134 Comment
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Nov 6 2012
  POM4415  Galium parishii I. M. Johnston 1917-8-22 1691 Los Angeles Summit of Baldy. 3049 Comment
  POM4430  Galium angustifolium subsp. angustifolium I. M. Johnston 1928-5-20 s.n. Los Angeles Claremont. 366 Comment
  POM4449  Castilleja minor subsp. spiralis I. M. Johnston 1917-5-13 983 Los Angeles El Monte. 91 Comment
  POM4455  Castilleja miniata subsp. miniata I. M. Johnston 1917-7-28 1527 Los Angeles San Antonio Mountains. N Fork San Antonio Canyon (Old Gold Ridge Mine) 2439 Comment
  POM4458  Castilleja applegatei subsp. martinii I. M. Johnston 1917-5-6 1915 Los Angeles Evey Canyon, north of Claremont. 915 Comment
  POM4459  Castilleja foliolosa I. M. Johnston 1917-5-6 1914 Los Angeles Evey Canyon, north of Claremont 762 Comment
  POM4494  Phacelia davidsonii I. M. Johnston 1917-6-20 1264 Los Angeles Baldy Lookout of USFS. 2134 Comment
  POM4495  Phacelia austromontana I. M. Johnston 1918-6-16 s.n. Los Angeles Ice Canyon 2134 Comment
  POM4497  Phacelia imbricata subsp. imbricata I. M. Johnston 1917-7-1 1443 Los Angeles San Antonio Mountains. Browns Flats. 1311 Comment
  POM4556  Plectritis ciliosa subsp. insignis I. M. Johnston 1918-4-11 1833 Los Angeles Lone Hill south of Glendora. Grassy hillside. 366 Comment
  POM4631  Gnaphalium californicum I. M. Johnston 1918-8-25 s.n. Los Angeles Evey Canyon. 915 Comment
  POM4648  Gnaphalium beneolens I. M. Johnston 1918-9-3 2146 Los Angeles Brea Canyon, Puente Hills 396 Comment
  POM4704  Solidago confinis I. M. Johnston 1917-8-22 1674 Los Angeles Prairie Fk. of San Gabriel R. 1524 Comment
  POM47136  Monardella viridis subsp. saxicola I. M. Johnston 1924-8-13 s.n. Los Angeles Head of Evey Canyon at Sunset Trail. 1524 Comment
  POM47137  Monardella viridis subsp. saxicola I. M. Johnston 1924-8-13 s.n. Los Angeles Along Sunset trail on San Dimas- San Antonio Canyon Divide. Start of new trail to Browns Flats. 1616 Comment
  POM47138  Monardella macrantha subsp. hallii I. M. Johnston 1924-8-13 s.n. Los Angeles Head of Evey Canyon Comment
  POM47139  Madia gracilis I. M. Johnston 1924-8-13 s.n. Los Angeles Evey Canyon, San Antonio Mountains 701 Comment
  POM47140  Hoita macrostachya I. M. Johnston 1924-8-13 s.n. Los Angeles San Antonio Mtns. Evey Canyon. 731 Comment
  POM47141  Acourtia microcephala I. M. Johnston 1924-8-13 s.n. Los Angeles San Antonio Mtns. Evey Canyon. 731 Comment
  POM47142  Equisetum hyemale var. affine I. M. Johnston 1924-8-13 s.n. Los Angeles Evey-Palmer Canyon Firebreak. About spring where locally abundant and reaching 10 ft. in height. 1036 Comment
  POM47143  Lupinus excubitus var. hallii I. M. Johnston 1924-8-13 2600 Los Angeles Sunset trail, 1 mi. S of Sunset Peak 1584 Comment
  POM47144  Erigeron breweri var. covillei I. M. Johnston 1924-8-13 s.n. Los Angeles Head of Evey Canyon Comment
  POM4756  Erigeron philadelphicus I. M. Johnston 1917-5-13 1020 Los Angeles El Monte. 84 Comment
  POM47575  Arctostaphylos glandulosa subsp. mollis I. M. Johnston 1924-8-13 s.n. Los Angeles along Sunset Trail 1/2 mi. S of Sunset Peak. 1585 Comment
  POM47576  Arctostaphylos glandulosa subsp. mollis I. M. Johnston 1924-8-12 s.n. Los Angeles Sunset Trail, 1 1/2 miles south of Sunset Peak 1585 Comment
  POM47577  Arctostaphylos glandulosa subsp. mollis I. M. Johnston 1924-8-13 s.n. Los Angeles along Sunset Trail 1/2 mi. S of Sunset Peak. 1585 Comment
  POM47578  Ericameria parishii var. parishii I. M. Johnston 1924-8-13 s.n. Los Angeles Evey-Palmer Canyon Firebreak 1066 Comment
  POM47582  Paspalum dilatatum I. M. Johnston 1924-8-29 s.n. Los Angeles 1 mile S of Whittier Comment
  POM4762  Ericameria parishii var. parishii I. M. Johnston 1918-9-1 2150 Los Angeles Evey Canyon (fire break) 1219 Comment
  POM4774  Aster hesperius I. M. Johnston 1918-10-21 2162 Los Angeles El Monte. Comment
  POM4780  Symphyotrichum defoliatum I. M. Johnston 1917-8-23 1640 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  POM4786  Machaeranthera canescens var. canescens I. M. Johnston 1917-8-22 1647 Los Angeles Prairie Fork of San Gabriel River. 1982 Comment
  POM4788  Aster lanceolatus subsp. hesperius I. M. Johnston 1917-8-20 s.n. Los Angeles Camp Baldy. 1280 Comment
  POM4789  Aster greatae I. M. Johnston 1917-7-4 1427 Los Angeles Camp Baldy, San Antonio Canyon 1280 Comment
  POM4796  Aster greatae I. M. Johnston 1917-9-16 1725 Los Angeles Coldwater Fork of [Cattle] Cow Canyon 1219 Comment
  POM480  Draba corrugata var. corrugata I. M. Johnston, C. W. Tilforth, John Dourley 1917-7-4 1416 Los Angeles near summit of Baldy 2896 Comment
  POM48011  Limonium californicum I. M. Johnston 1924-8-29 s.n. Los Angeles 3 miles SE of Artesia Comment
  POM48012  Cordylanthus maritimus subsp. maritimus I. M. Johnston 1924-8-29 s.n. Los Angeles 3 miles SE of Artesia Comment
  POM4808  Ambrosia confertiflora I. M. Johnston 1920-1-1 s.n. Los Angeles Arcadia, along Huntington Drive. 152 Comment
  POM48097  Tauschia arguta I. M. Johnston 1924-8-13 s.n. Los Angeles Sunset trail, 1 mi. S of Sunset Peak 1584 Comment
  POM48098  Galium angustifolium subsp. nudicaule I. M. Johnston 1924-8-13 s.n. Los Angeles Sunset trail, 1 mi. S of Sunset Peak 1585 Comment
  POM481  Draba corrugata var. corrugata I. M. Johnston 1917-7-30 1609 Los Angeles Kelly s Cabin, Ontario Peak. 2591 Comment
  POM48100  Corethrogyne filaginifolia var. filaginifolia I. M. Johnston 1924-8-13 s.n. Los Angeles Sunset trail, 1 mi. S of Sunset Peak 1584 Comment
  POM48101  Garrya flavescens I. M. Johnston 1924-8-13 s.n. Los Angeles Sunset trail, 1 mi. S of Sunset Peak 1585 Comment
  POM48102  Aralia californica I. M. Johnston 1924-8-13 s.n. Los Angeles tributary of San Antonio Canyon, west of Spring Hill 1219 Comment
  POM48103  Phacelia longipes I. M. Johnston 1924-8-13 s.n. Los Angeles side canyon of San Antonio Canyon west of Spring Hill 1372 Comment
  POM48105  Lobelia dunnii var. serrata I. M. Johnston 1924-8-13 s.n. Los Angeles Evey Canyon, San Antonio Mountains 701 Comment
  POM48106  Saltugilia splendens subsp. grantii I. M. Johnston 1924-8-13 s.n. Los Angeles Sunset trail, 1 mi. S of Sunset Peak 1584 Comment
  POM48107  Quercus wislizeni var. frutescens I. M. Johnston 1924-8-13 s.n. Los Angeles Head of Every Canyon. 1372 Comment
  POM48109  Eriogonum fasciculatum var. polifolium I. M. Johnston 1924-8-13 s.n. Los Angeles San Gabriel Mountains: Head of Evey Canyon, near 'P' 1296 Comment
  POM48111  Cordylanthus rigidus subsp. setiger I. M. Johnston 1924-8-13 s.n. Los Angeles Evey-Palmer Canyon Firebreak 1067 Comment
  POM4835  Layia glandulosa I. M. Johnston 1917-5-13 976 Los Angeles In San Gabriel Wash. 152 Comment
  POM4890  Stylocline gnaphaloides I. M. Johnston 1918-5-27 s.n. Los Angeles Claremont. 366 Comment
  POM4939  Encelia californica I. M. Johnston 1917-4-11 s.n. Los Angeles Dominguez Mesa Comment
  POM4966  Madia gracilis I. M. Johnston 1917-7-1 1438 Los Angeles Evey Canyon 915 Comment
  POM4973  Verbesina encelioides subsp. exauriculata I. M. Johnston 1918-7-29 2107 Los Angeles El Monte 91 Comment
  POM497989  Cercocarpus betuloides var. betuloides I. M. Johnston 1917-4-28 1370 Los Angeles San Antonio Canyon Wash 366 Comment
  POM4986  Lagophylla ramosissima I. M. Johnston 1918-8-4 s.n. Los Angeles Hills W of Pomona. 305 Comment
  POM49898  Galium angustifolium subsp. gabrielense I. M. Johnston 1924-6-28 s.n. Los Angeles Cascade Canyon on West end of Ontario Peak. 1524 Comment
  POM49901  Galium angustifolium subsp. gabrielense I. M. Johnston 1924-6-28 s.n. Los Angeles Above Spring Hill, San Antonio Canyon, along trail to Cascade Canyon. 1220 Comment
  POM500B  Senecio flaccidus var. douglasii I. M. Johnston 1917-8-23 1678 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  POM542  Boechera I. M. Johnston 1918-5-12 1952 Los Angeles Upper San Antonio Canyon 1524 Comment
  POM548  Erysimum suffrutescens I. M. Johnston 1917-6-10 1312 Los Angeles Playa del Rey. Comment
  POM567  Boechera californica I. M. Johnston 1918-4-4 1973 Los Angeles San Antonio Canyon Wash. 366 Comment
  POM574  Potentilla anserina var. grandis I. M. Johnston 1911-6-10 1336 Los Angeles Ballona Creek, near Mesmer. Comment
  POM590  Horkelia cuneata subsp. puberula I. M. Johnston 1918-5-1 1892 Los Angeles San Antonio Canyon Wash between Upland and Claremont 366 Comment
  POM592  Drymocallis glandulosa var. viscida I. M. Johnston 1917-7-1 1753 Los Angeles San Antonio Mountains. Browns Flats. 1372 Comment
  POM599  Cercocarpus betuloides var. betuloides I. M. Johnston 1917-3-6 119 Los Angeles Evey Canyon north of Upland. 1067 Comment
  POM5995  Achillea millefolium I. M. Johnston 1918-6-23 s.n. Los Angeles Spring Hill, San Antonio Canyon. 1310 Comment
  POM6005  Lasthenia glabrata subsp. coulteri I. M. Johnston 1917-4-11 s.n Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  POM602  Cercocarpus ledifolius var. ledifolius I. M. Johnston 1917-6-20 1485 Los Angeles Baldy Lookout of USFS. 2134 Comment
  POM6043  Lepidospartum squamatum I. M. Johnston 1917-8-23 1717 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  POM609  Cercocarpus betuloides var. betuloides I. M. Johnston 1917-4-28 1372 Los Angeles San Antonio Canyon Wash 366 Comment
  POM6112  Cirsium occidentale var. californicum I. M. Johnston 1917-5-6 1921 Los Angeles Mouth of San Antonio Canon. 610 Comment
  POM6114  Cirsium brevistylum I. M. Johnston 1917-5-13 1026 Los Angeles El Monte. Comment
  POM6160  Stephanomeria pauciflora I. M. Johnston 1918-7-23 2099 Los Angeles San Antonio Canyon Wash (near Claremont) 366 Comment
  POM6176  Jaumea carnosa I. M. Johnston 1917-6-10 1305 Los Angeles Ballona Creek, near Mesmer Comment
  POM6214  Taraxacum officinale I. M. Johnston 1917-5-13 985 Los Angeles El Monte. 84 Comment
  POM6221  Picris echioides I. M. Johnston 1917-6-10 1321 Los Angeles Near Mesmer. Comment
  POM6236  Malacothrix saxatilis var. tenuifolia I. M. Johnston 1910-6-10 1311 Los Angeles Playa del Rey. Comment
  POM6249  Crepis acuminata I. M. Johnston 1922-8-22 1650 Los Angeles Pine Mountain Ridge 2499 Comment
  POM6250  Hieracium argutum I. M. Johnston 1918-9-1 s.n. Los Angeles Canyon (Fern C.) N of Brown's Flats. 1220 Comment
  POM6251  Hieracium argutum I. M. Johnston 1918-8-25 2129 Los Angeles Evey Canyon 915 Comment
  POM6257  Acourtia microcephala I. M. Johnston 1918-7-22 2103 Los Angeles San Antonio Mountains, Cucamonga Canyon. 915 Comment
  POM6261  Stephanomeria pauciflora var. pauciflora I. M. Johnston 1917-7-28 1573 Los Angeles San Antonio Canyon, San Antonio Mtns. [County unspecified] 1677 Comment
  POM6293  Silene parishii I. M. Johnston 1917-9-16 1685 Los Angeles west slope of Baldy 2743 Comment
  POM6496  Ephedra viridis I. M. Johnston 1917-8-23 1721 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  POM6814  Pseudognaphalium biolettii I. M. Johnston 1920-1-1 s.n. Los Angeles San Gabriel Wash at Azusa. 152 Comment
  POM6815  Juniperus californica I. M. Johnston 1920-1-1 s.n. Los Angeles San Gabriel Wash at Azusa. ca. 500+ ft alt. 152 Comment
  POM6816  Quercus chrysolepis I. M. Johnston 1919-12-29 s.n. Los Angeles Evey Canyon. 1128 Comment
  POM6817  Quercus engelmannii I. M. Johnston 1920-1-1 s.n. Los Angeles Arcadia, along Huntington Drive. 152 Comment
  POM686  Suaeda moquinii I. M. Johnston 1917-6-10 1267 Los Angeles Cienega , West of Los Angeles. Comment
  POM714  Amaranthus blitoides I. M. Johnston 1918-7-29 2098 Los Angeles El Monte. Along Railroad. 91 Comment
  POM715  Amaranthus hybridus I. M. Johnston 1918-9-21 s.n. Los Angeles Upland. Comment
  POM71760  Phacelia austromontana I. M. Johnston 1925-8-1 6610 Los Angeles San Antonio Mountains: western end Ontario Peak ridge. 2348 Comment
  POM718  Amaranthus powellii I. M. Johnston 1918-9-21 s.n. Los Angeles Upland. Comment
  POM72483  Mentzelia dispersa I. M. Johnston 1925-8-1 6609 Los Angeles San Antonio Mountains: western end Ontario Peak ridge. 2348 Comment
  POM72484  Packera ionophylla I. M. Johnston 1925-8-1 6606 Los Angeles Upper Barrett Canyon, W end Ontario Peak on shady N slope near Cascade-Barrett Canyon divide 2042 Comment
  POM72485  Astragalus bicristatus I. M. Johnston 1925-8-1 6607 Los Angeles Upper Barrett Canyon, W end Ontario Peak on shady N slope near Cascade-Barrett Canyon divide 2042 Comment
  POM72486  Silene parishii I. M. Johnston 1925-8-1 s.n. Los Angeles Western end Ontario Peak, upper Barrett Canyon 2072 Comment
  POM72599  Eriogonum davidsonii I. M. Johnston 1925-8-1 6613 Los Angeles San Antonio Mountains: western end Ontario Peak ridge. 2348 Comment
  POM75  Mimulus aurantiacus var. pubescens I. M. Johnston 1917-7-28 1607 Los Angeles San Antonio Mountains, San Antonio Canyon 2287 Comment
  POM78913  Phacelia davidsonii I. M. Johnston 1925-7-8 s.n. Los Angeles Middle Fork Bear Creek along Lookout Trail. 2012 Comment
  POM78914  Phacelia davidsonii I. M. Johnston 1925-7-8 s.n. Los Angeles Cow Canyon-San Antonio Canyon Divide 1433 Comment
  POM78916  Leptosiphon liniflorus I. M. Johnston 1925-7-8 5289 Los Angeles Cow Canyon-San Antonio Canyon Divide 1432 Comment
  POM78923  Eriodictyon trichocalyx var. trichocalyx I. M. Johnston 1925-7-8 s.n. Los Angeles Baldy Lookout. San Antonio Mts. 1768 Comment
  POM78948  Oxytheca parishii var. parishii I. M. Johnston 1925-7-8 5292 Los Angeles Baldy Lookout. San Antonio Mts. 1768 Comment
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Aug 20 2010
  POM78950  Oxytheca caryophylloides I. M. Johnston 1925-7-8 5293 Los Angeles Baldy Lookout. San Antonio Mts. 1768 Comment
  POM78954  Cryptantha simulans I. M. Johnston 1925-7-8 5298 Los Angeles Middle Fork Bear Creek along Lookout Trail. 2011 Comment
  POM78967  Galium jepsonii I. M. Johnston 1925-8-1 6612 Los Angeles San Antonio Mountains: western end Ontario Peak ridge. 2348 Comment
  POM78974  Monardella lanceolata I. M. Johnston 1925-7-8 s.n. Los Angeles Cow Canyon-San Antonio Canyon Divide 1433 Comment
  POM78976  Chorizanthe staticoides I. M. Johnston 1925-7-8 s.n. Los Angeles Cow Canyon-San Antonio Canyon Divide 1433 Comment
  POM78977  Collinsia childii I. M. Johnston 1925-7-8 5291 Los Angeles south trail to Baldy Lookout 1646 Comment
  POM800  Lewisia rediviva I. M. Johnston 1917-6-20 1493 Los Angeles San Antonio Mountains: Baldy Lookout of U.S.F.S. 1982 Comment
  POM874  Adiantum capillus-veneris I. M. Johnston 1918-9-1 2135 Los Angeles San Antonio Mountains. Fern Canyon north of Brown's Flats. 1220 Comment
  POM88089  Lonicera subspicata var. denudata I. M. Johnston 1924-8-13 s.n. Los Angeles Sunset trail, 1 mi. S of Sunset Peak 1584 Comment
  POM8837  Ribes aureum var. gracillimum I. M. Johnston 1920-1-4 3229 Los Angeles Lone HIll south of Glendora Comment
  RSA0005071  Eriogonum microtheca var. johnstonii I. M. Johnston 1917-9-16 1726 Los Angeles San Antonio Mts., west spur of Baldy. 2744 Comment
  RSA0005072  Eriogonum microtheca var. johnstonii I. M. Johnston 1917-9-16 1726 Los Angeles San Antonio Mts., west spur of Baldy. 2744 Comment
  RSA0005164  Eriogonum umbellatum var. minus I. M. Johnston 1917-8-22 1692 Los Angeles San Antonio Mountains, summit of Baldy. 3049 Comment
  RSA0063084  Heuchera abramsii I. M. Johnston 1917-9-16 1728 Los Angeles San Antonio Mountains, West spur of Baldy. 2591 Comment
  RSA0063245  Heuchera elegans I. M. Johnston 1917-6-20 1733 Los Angeles San Antonio Mountains, Baldy Lookout of U.S.F.S. 1829 Comment
  RSA0066112  Heuchera elegans I. M. Johnston 1928-6-28 s.n. Los Angeles Cascade Canyon, west end Ontario Peak. 1829 Comment
  RSA0066367  Heuchera abramsii I. M. Johnston 1917-8-22 1690 Los Angeles San Antonio Mountains. North slope of Baldy. 2744 Comment
  RSA0066370  Heuchera abramsii I. M. Johnston 1918-7-6 2096 Los Angeles San Antonio Mountains, Baldy Summit. 3049 Comment
  RSA0081652  Sedum spathulifolium I. M. Johnston 1917-7-1 1745 Los Angeles [San Gabriel Mountains] Near Brown's Flat. [San Dimas Experimental Forest] 1295 Comment
  RSA11316  Turricula parryi I. M. Johnston 1917-7-1 1437 Los Angeles Head of Evey canyon; San Antonio Mountains [San Gabriel Mts] 1372 Comment
  RSA11324  Lupinus excubitus var. hallii I. M. Johnston 1917-7-1 1444 Los Angeles near Brown's flat 1357 Comment
  RSA1208  Melica imperfecta I. M. Johnston 1916-04 s.n. Los Angeles Evey canyon. San Gabriel Mountains. Comment
  RSA1409  Schoenoplectus americanus I. M. Johnston 1917-6-14 1349 Los Angeles West of Pomona. Comment
  RSA1429  Carex alma I. M. Johnston 1918-6-2 s.n. Los Angeles San Antonio Mountians, Evey Canyon. 915 Comment
  RSA349917  Vicia americana I. M. Johnston 1917-6-15 2237 Los Angeles Spring Hill, San Antonio Canyon 1372 Comment
  RSA364555  Carex phaeocephala I. M. Johnston 1917-7-4 1399 Los Angeles Baldy Summit. 3049 Comment
  RSA364721  Carex fracta I. M. Johnston 1917-7-31 1505 Los Angeles San Antonio Mts. Icehouse Canon. 1982 Comment
  RSA365406  Eleocharis montevidensis var. montevidensis I. M. Johnston 1917-6-14 1909 Los Angeles West of Pomona. Comment
  RSA367075  Allium burlewii I. M. Johnston 1917-6-20 1490 Los Angeles San Antonio Mountains. Baldy Lookout of U.S.F.S. 2058 Comment
  RSA367077  Allium burlewii George R. Johnstone 1928-6-10 s.n. Los Angeles Mt. San Antonio: N slope just beyond saddle, near Sierra Club cabin. Comment
  RSA368108  Juncus acutus subsp. leopoldii George R. Johnston 1929-8-15 s.n. Los Angeles Anaheim Landing, Santa Catalina Island. Comment
  RSA368381  Juncus xiphioides I. M. Johnston 1917-6-14 1273 Los Angeles West of Pomona. Comment
  RSA368382  Juncus xiphioides I. M. Johnston 1917-8-23 1684 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  RSA368401  Juncus xiphioides George R. Johnstone 1930-6-22 s.n. Los Angeles Soledad Canyon near Ravenna. 762 Comment
  RSA368894  Juncus saximontanus I. M. Johnston 1917-8-23 1632 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  RSA377440  Calochortus plummerae George R. Johnstone 1930-6-26 s.n. Los Angeles San Gabriel Canyon 1220 Comment
  RSA381716  Epipactis gigantea George R. Johnstone 1930-6-15 s.n. Los Angeles Indian Canyon near Ravenna 1067 Comment
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Nov 8 2011
  RSA383483  Stuckenia pectinata George R. Johnstone 1930-6-15 s.n. Los Angeles Indio Canyon near Ravenna 762 Comment
  RSA383485  Stuckenia pectinata George R. Johnstone 1933-5-13 17433 Los Angeles Nigger Slough . [locality name change to Laguna Dominguez ] Comment
  RSA383500  Potamogeton illinoensis George R. Johnstone 1930-6-26 18779 Los Angeles Pine Flats 1677 Comment
  RSA383724  Sparganium erectum subsp. stoloniferum I. M. Johnston 1917-6-10 1310 Los Angeles Cienega , West of Los Angeles. Comment
  RSA383848  Ephedra viridis I. M. Johnston 1917-8-25 1721 Los Angeles Prairie Fork 1524 Comment
  RSA384356  Pinus flexilis George R. Johnstone 1928-6-10 s.n. Los Angeles Just above Sierra Club Cabin , above Camp Baldy Comment
  RSA384364  Pinus monophylla George R. Johnstone 1928-03 s.n. Los Angeles Near Little Rock, Mojave Desert Comment
  RSA384625  Pseudotsuga macrocarpa Geo C. Johnstone 1920-4-10 s.n. Los Angeles Mt. Lowe Comment
  RSA384938  Agrostis stolonifera I. M. Johnston 1917-8-23 1633 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  RSA385305  Bromus carinatus var. carinatus George R. Johnstone 1930-6-26 14666 Los Angeles Pine Flats 1677 Comment
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Jan 13 2015
  RSA390147  Rhamnus tomentella subsp. cuspidata I. M. Johnston 1917-8-22 1709 Los Angeles Prarie Fork of San Gabriel River, Lower Transition Zone. 1982 Comment
  RSA390154  Rhamnus tomentella subsp. cuspidata G. R. Johnstone, W. B. McDougal 1930-2-9 s.n. Los Angeles Near Buckhart [Burkhart?] Ranch, Little Rock. N. Foothills San Gabriel Mts. 1220 Comment
  RSA390182  Rhamnus californica subsp. californica G. R. Johnstone 1930-9-14 s.n. Los Angeles Edison Rd. above Dark Canyon Calif. San Gabriel Mts. 762 Comment
  RSA390859  Rhamnus pirifolia G. R. Johnstone 1929-7-21 s.n. Los Angeles Santa Catalina Island. Comment
  RSA390994  Geranium carolinianum I. M. Johnston 1917-05 1023 Los Angeles El Mouth Ditch along Railroad 84 Comment
  RSA391039  Rhamnus ilicifolia I. M. Johnston 1917-2-10 13809 Los Angeles Hills south of Pomona. Hillside under oak. 366 Comment
  RSA391429  Garrya veatchii I. M. Johnston 1925-4-10 s.n. Los Angeles Mt. Lowe. Comment
  RSA392784  Chorizanthe staticoides G. R. Johnstone 1926-4-15 s.n. Los Angeles San Francisquito Canyon. Comment
  RSA392882  Oxytheca trilobata G. R. Johnstone 1926-4-15 s.n. Los Angeles San Francisquito Canyon. Comment
  RSA393219  Eriogonum grande var. grande G. R. Johnstone 1926-9-5 s.n. Los Angeles San Clemente Island. Comment
  RSA393254  Eriogonum gracile var. gracile I. M. Johnston 1918-9-1 2134 Los Angeles San Antonio Mountains: Browns Flat 1311 Comment
  RSA393369  Eriogonum giganteum var. giganteum G. R. Johnstone 1929-7-21 s.n. Los Angeles Santa Catalina Island. Comment
  RSA393445  Eriogonum fasciculatum var. foliolosum G. R. Johnstone 1930-6-22 s.n. Los Angeles Near Ravenna; Soledad Canyon. Comment
  RSA397630  Sedum spathulifolium I. M. Johnston 1917-7-1 1745 Los Angeles Near Browns Flats, San Antonio Mountains. [San Gabriel Mts, near Mt. San Antonio, aka Mt. Baldy] 1296 Comment
  RSA397731  Crossosoma californicum G. R. Johnstone 1934-5-20 18836 Los Angeles Santa Catalina Island. Descanso Canon. Comment
  RSA397769  Dudleya virens subsp. hassei D. M. Johnston, John P. Hill 1933-5-14 s.n. Los Angeles Catalina Island. Comment
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Jun 4 2009
  RSA398708  Delphinium parryi G. R. Johnstone 1934-5-20 18977 Los Angeles Santa Catalina Is. Descanso Canyon. Comment
  RSA398767  Delphinium parryi G. R. Johnstone 1931-5-3 14058 Los Angeles Pico Canyon, Santa Susana Mountains. Comment
  RSA398858  Ceanothus crassifolius Geo. C. Johnstone 1925-4-10 s.n. Los Angeles Mount Lowe Comment
  RSA398859  Ceanothus crassifolius G. R. Johnstone 1930-6-22 s.n. Los Angeles Near Ravenna; Soledad Canyon. Comment
  RSA398884  Ceanothus crassifolius I. M. Johnston 1917-2-4 38 Los Angeles Evey Canyon, north of Upland. Comment
  RSA399116  Ceanothus megacarpus George R. Johnston 1929-3-19 14935 Los Angeles Puerco CanoN. Malibu estate 3 or 4 mi from ocean. Comment
  RSA399387  Ranunculus californicus G. R. Johnstone 1930-4-7 s.n. Los Angeles San Francisquito Canyon. Comment
  RSA401012  Juglans californica G. R. Johnstone 1931-4-16 s.n. Los Angeles Elysian Park. Los Angeles Comment
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Mar 28 2014
  RSA401380K  Asclepias californica I. M. Johnston 1917-6-20 1355 Los Angeles Baldy Lookout of USFS. 2134 Comment
  RSA401618  Monardella saxicola I. M. Johnston 1917-7-1 1440 Los Angeles Evey Canyon Comment
  RSA401755B  Keckiella cordifolia George R. Johnston 1934-5-20 18837 Los Angeles Descanso Canon, Santa Catalina Island. Comment
  RSA402207  Viola sheltonii I. M. Johnston 1917-07 1759 Los Angeles Near Browns Flats. 1220 Comment
  RSA402664  Sesuvium verrucosum I. M. Johnston 1917-4-11 s.n. Los Angeles Gardena 16 Comment
  RSA405698  Lathyrus vestitus var. vestitus I. M. Johnston 1922-4-10 s.n. Los Angeles Mt. Lowe Comment
  RSA406924  Lotus dendroideus var. dendroideus G. R. Johnstone 1934-5-20 18841 Los Angeles Santa Catalina Island. Descanso Canon. Comment
  RSA406976  Lupinus albifrons var. eminens George C. Johnston 1925-3-8 s.n. Los Angeles Catalina Island Comment
  RSA407100  Lupinus breweri var. grandiflorus I. M. Johnston 1917-6-20 1491 Los Angeles San Antonio Mountains: Baldy Lookout of U.S.F.S. 1982 Comment
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Jun 23 2015
  RSA407128  Lupinus chamissonis I. M. Johnston 1917-6-10 1338 Los Angeles Ballona Creek, near Mesmer. Comment
  RSA407981  Orthocarpus purpurascens A. C. Johnston 1907-03 3461 Los Angeles Garvanza Comment
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Nov 25 2011
  RSA408039  Penstemon grinnellii subsp. grinnellii G. R. Johnstone 1931-5-17 s.n. Los Angeles Big Rock Creek Canyon. Comment
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Jun 10 2012
  RSA408043  Penstemon grinnellii subsp. grinnellii G. R. Johnstone 1930-6-26 14664 Los Angeles Pine Flats. 1677 Comment
  RSA411306  Salvia apiana G. R. Johnstone 1930-6-22 s.n. Los Angeles Near Ravenna; Soledad Canyon. Comment
  RSA411630  Verbena lasiostachys var. lasiostachys I. M. Johnston 1917-6-10 1320 Los Angeles Near Mesmer. Comment
  RSA412322  Cordylanthus nevinii I. M. Johnston 1917-8-21 1662 Los Angeles Upper San Antonio Ca - on. 2043 Comment
  RSA412568  Plantago major I. M. Johnston 1917-4-11 13786 Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  RSA414788  Lupinus formosus var. formosus I. M. Johnston 1917-7-1 1754 Los Angeles San Antonio Mountains. Browns Flats. 1310 Comment
  RSA415276  Amorpha californica I. M. Johnston 1917-6-14 1348 Los Angeles West of Pomona. Comment
  RSA415277  Amorpha californica var. californica I. M. Johnston 1930-9-7 s.n. Los Angeles Mt. Wilson Trail. 915 Comment
  RSA415298  Amorpha californica G. R. Johnstone 1931-5-3 s.n Los Angeles Pico Canyon, Santa Susana Mountains. Comment
  RSA415741  Astragalus trichopodus var. lonchus I. M. Johnston 1917-4-11 965 Los Angeles N*r Slough. [locality name change to Laguna Dominguez] Comment
  RSA415997  Vulpia myuros var. hirsuta George R. Johnstone 1925-4-11 s.n. Los Angeles Mt. Lowe Comment
  RSA417234  Artemisia californica George R. Johnston 1934-5-20 18972 Los Angeles Descanso Canon, Santa Catalina Island. Comment
  RSA417663  Aster greatae George R. Johnstone 1932-9-21 15770 Los Angeles Elysian Park, Los Angeles. Comment
  RSA417664  Aster greatae Geo C. Johnstone 1927-10-30 s.n. Los Angeles upper part of Big Tujunga Canyon Comment
  RSA420383  Mimulus brevipes G. R. Johnstone 1925-4-10 s.n. Los Angeles Mt. Lowe. Comment
  RSA420688  Mimulus cardinalis G. R. Johnstone 1930-6-15 s.n. Los Angeles Indian Canyon near Ravenna 1067 Comment
  RSA422396  Solanum douglasii Geo. C. Johnstone 1927-10-30 s.n. Los Angeles upper part of Big Tujunga Canyon Comment
  RSA423551  Minuartia douglasii I. M. Johnston 1917-6-20 1356 Los Angeles Baldy Lookout of USFS. 2134 Comment
  RSA424975  Eriogonum thurberi G. R. Johnstone 1926-4-15 s.n. Los Angeles San Francisquito Canyon. Comment
  RSA425329  Pedicularis semibarbata G. R. Johnstone 1928-6-10 s.n. Los Angeles Mt. San Antonio: N slope just beyond saddle, near Sierra Club cabin. Comment
  RSA425860  Castilleja affinis Geo. C. Johnstone 1925-3-8 s.n. Los Angeles Catalina Island. Comment
  RSA426054  Phacelia davidsonii G. R. Johnstone 1926-4-24 s.n. Los Angeles Antelope Valley, foothills S. of valley. Comment
  RSA426878  Fremontodendron californicum subsp. californicum G. R. Johnstone, W. B. McDougal 1930-2-9 s.n. Los Angeles Near Buckhart [Burkhart?] Ranch, Little Rock. N. Foothills San Gabriel Mts. 1220 Comment
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Aug 12 2014
  RSA427372  Solanum wallacei G. R. Johnstone 1929-7-21 s.n. Los Angeles Santa Catalina Island. Comment
  RSA428004  Phacelia imbricata subsp. imbricata I. M. Johnston 1917-7-1 1443 Los Angeles Brown s Flat Comment
  RSA428005  Phacelia imbricata subsp. imbricata I. M. Johnston 1917-7-1 1443 Los Angeles San Antonio Mountains. Browns Flats. 1311 Comment
  RSA428026  Phacelia imbricata subsp. imbricata G. R. Johnstone 1931-5-3 s.n. Los Angeles Pico Canyon, Santa Susana Mountains. Comment
  RSA428102  Phacelia mohavensis I. M. Johnston 1917-7-28 1592 Los Angeles San Antonio Mountains, San Antonio Canyon 2287 Comment
  RSA428160  Phacelia ramosissima var. austrolitoralis I. M. Johnston 1917-6-10 1322 Los Angeles Playa del Rey. Comment
  RSA429524  Caulanthus coulteri var. coulteri George R. Johnstone 1930-3-30 s.n. Los Angeles Mint Canyon, 14 mi from Saugus. Comment
  RSA429872  Lepidium flavum George R. Johnstone 1932-4-24 15118 Los Angeles 15 miles E of Palmdale. Mojave Desert. Comment
  RSA431663  Datisca glomerata Geo. C. Johnstone 1927-10-30 s.n. Los Angeles upper part of Big Tujunga Canyon Comment
  RSA433209  Dendromecon rigida G. R. Johnstone 1930-3-30 s.n. Los Angeles Mint Canyon, 14 mi from Saugus. Comment
  RSA433699  Dendromecon rigida subsp. rigida I. M. Johnston 1913-5-14 13778 Los Angeles wash west of Upland Comment
  RSA434068  Salvia spathacea G. R. Johnstone 1929-5-19 14896 Los Angeles Puerco Canon, Santa Monica Mts. Malibu estate 3-4 mi from ocean. Comment
  RSA434127  Salvia mellifera Geo. C. Johnstone 1928-4-28 13799 Los Angeles Canyon N of Big Pines. Comment
  RSA434306A  Malacothamnus fasciculatus I. M. Johnston 1917-5-13 982 Los Angeles San Gabriel Wash 152 Comment
  RSA434508  Phyla lanceolata I. M. Johnston 1917-6-10 1313 Los Angeles Ballona Creek, near Mesmer. Comment
  RSA434850  Malacothamnus fremontii I. M. Johnston 1917-8-22 1673 Los Angeles San Antonio Mts., Prairie Fork of the San Gabriel River 1905 Comment
  RSA439558  Opuntia oricola G. R. Johnstone, John P. Hill 1933-5-14 s.n. Los Angeles Santa Catalina Island. Comment
  RSA440478  Mentzelia lindleyi Geo. C. Johnstone 1926-5-6 s.n. Los Angeles Elysian Park, Los Angeles. Comment
  RSA440966  Marah macrocarpa George C. Johnston 1925-3-8 s.n. Los Angeles Catalina Island Comment
  RSA441731  Cardionema ramosissimum I. M. Johnston 1917-6-10 1268 Los Angeles Near Mesmer. Comment
  RSA441779  Helianthemum scoparium var. vulgare G. R. Johnstone 1929-7-4 14208 Los Angeles Griffith Park. Comment
  RSA442645  Mimulus aurantiacus var. pubescens G. R. Johnstone 1930-6-22 s.n. Los Angeles Soledad Canyon near Ravenna. 762 Comment
  RSA442655  Mimulus aurantiacus I. M. Johnston 1917-7-28 1607 Los Angeles San Antonio Mountains, San Antonio Canyon 2287 Comment
  RSA445702  Platystemon californicus G. R. Johnstone 1931-5-3 s.n. Los Angeles Pico Canyon, Santa Susana Mountains. Comment
  RSA446333  Salvia leucophylla G. R. Johnstone 1931-5-3 s.n. Los Angeles Pico Canyon, Santa Susana Mountains. Comment
  RSA446773  Mentzelia micrantha Geo. C. Johnstone 1926-5-15 s.n. Los Angeles Griffith Park Comment
  RSA446798  Mentzelia montana G. R. Johnstone 1930-6-26 14667 Los Angeles Pine Flats 1677 Comment
  RSA447089  Trichostema lanatum G. R. Johnstone 1931-5-3 s.n. Los Angeles Pico Canyon, Santa Susana Mountains. Comment
  RSA447091  Trichostema lanatum G. R. Johnstone 1937-07 s.n. Los Angeles Santa Monica Mountains. Comment
  RSA448070  Populus alba G. R. Johnstone 1931-4-18 s.n. Los Angeles Elysian Park Comment
  RSA448469  Clarkia unguiculata G. R. Johnstone 1931-5-3 s.n. Los Angeles Pico Canyon, Santa Susana Mountains. Comment
  RSA448671  Castilleja applegatei subsp. martinii Geo. C. Johnstone 1925-4-10 s.n. Los Angeles Mount Lowe Comment
  RSA451661  Rosa woodsii subsp. gratissima I. M. Johnston 1917-8-23 1704 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  RSA451795  Lyonothamnus floribundus subsp. floribundus G. R. Johnstone 1934-5-20 18978 Los Angeles Santa Catalina Island. Descanso Canon. Comment
  RSA452411  Atriplex canescens George R. Johnstone 1932-4-24 s.n. Los Angeles 15 miles E of Palmdale. Mojave Desert. Comment
  RSA452426  Atriplex confertifolia George R. Johnstone 1929-9-8 s.n. Los Angeles Lancaster, Mojave Desert. Comment
  RSA452442  Atriplex canescens George R. Johnstone 1932-4-24 s.n. Los Angeles Mojave Desert 10-15 miles E of Palmdale 915 Comment
  RSA452778  Alnus rhombifolia Geo C. Johnstone 1927-10-30 S.N. Los Angeles upper part of Big Tujunga Canyon Comment
  RSA452779  Alnus rhombifolia Geo C. Johnstone 1927-10-30 15739 Los Angeles Arroyo Seco Canyon above Switzer's Comment
  RSA453219  Prunus emarginata I. M. Johnston 1917-8-21 1666 Los Angeles San Antonio Mountains: Upper San Antonio Canyon. 2378 Comment
  RSA453460  Clarkia bottae G. R. Johnstone 1931-4-19 s.n. Los Angeles Elysian Park. Comment
  RSA455552  Tauschia arguta George R. Johnstone 1925-4-10 s.n. Los Angeles Mt. Lowe. Comment
  RSA458848  Clarkia dudleyana G. R. Johnstone 1930-6-15 s.n. Los Angeles Indio Canyon near Ravenna 762 Comment
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Nov 8 2011
  RSA458968  Oreonana vestita George R. Johnstone 1928-6-10 15493 Los Angeles above Manker Flats on the N slope near Sierra Club Cabin Comment
  RSA464423  Polygonum aviculare subsp. aviculare I. M. Johnston 1917-4-11 s.n. Los Angeles Gardena 16 Comment
  RSA464486  Lewisia rediviva George R. Johnstone 1928-6-10 s.n. Los Angeles Mt. San Antonio: N slope just beyond saddle, near Sierra Club cabin. Comment
  RSA464878  Forestiera pubescens G. R. Johnstone 1930-3-30 s.n. Los Angeles Mint Canyon, 14 mi from Saugus. Comment
  RSA466685  Claytonia perfoliata subsp. mexicana George C. Johnston 1925-3-8 s.n. Los Angeles Catalina Island Comment
  RSA466821B  Gaura sinuata G. R. Johnstone 1932-4-30 s.n. Los Angeles Los Angeles. Roadside 3600 block Slauson St. Comment
  RSA469409  Gilia latiflora subsp. davyi G. R. Johnstone 1930-4-7 s.n. Los Angeles San Francisquito Canyon. Comment
  RSA469464  Gilia minor George R. Johnston 1930-3-30 s.n. Los Angeles Lancaster. Comment
  RSA469837  Navarretia hamata subsp. hamata I. M. Johnston 1917-05 986 Los Angeles Mts. North of Claremont Johnston's Pasture. 609 Comment
  RSA469953  Linanthus aureus I. M. Johnston 1917-5-13 977 Los Angeles El Monte. 122 Comment
  RSA471684  Acourtia microcephala George R. Johnstone 1934-5-20 s.n. Los Angeles Santa Catalina Is. Descanso Canyon. Comment
  RSA472940  Senecio flaccidus var. douglasii George R. Johnstone 1930-9-7 s.n Los Angeles Mt. Wilson Trail. 457 Comment
  RSA472953  Senecio flaccidus var. douglasii Geo. C. Johnstone 1927-10-30 s.n. Los Angeles upper part of Big Tujunga Canyon Comment
  RSA473610  Solidago californica George R. Johnstone 1927-10-30 s.n. Los Angeles Big Tujunga Canyon; mountain slope upper part of canyon. Comment
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Nov 13 2011
  RSA473690  Solidago confinis I. M. Johnston 1917-8-22 1674 Los Angeles Prairie Fk. of San Gabriel R. 1524 Comment
  RSA474169  Stephanomeria cichoriacea Geo. C. Johnstone 1930-9-7 s.n. Los Angeles Mt. Wilson Trail. 762 Comment
  RSA474170  Stephanomeria cichoriacea Geo. C. Johnstone 1927-10-30 s.n. Los Angeles upper part of Big Tujunga Canyon Comment
  RSA475497  Venegasia carpesioides Geo. C. Johnstone 1929-5-19 14895 Los Angeles Puerco Canyon. Malibu Estate, 3-4 mi. from ocean. Comment
  RSA476604  Quercus durata var. gabrielensis I. M. Johnston 1930-9-7 s.n. Los Angeles Mt. Wilson Trail 762 Comment
  RSA476856  Quercus agrifolia var. agrifolia G. R. Johnstone 1927-10-9 s.n. Los Angeles Switzer's Camp Comment
  RSA476857  Quercus agrifolia G. R. Johnstone 1931-10-24 14030 Los Angeles Brown Canyon. Comment
  RSA476901  Quercus chrysolepis I. M. Johnston 1930-9-7 s.n. Los Angeles Mt. Wilson trail 610 Comment
  RSA476903  Quercus chrysolepis I. M. Johnston 1928-9-10 15747 Los Angeles Switzers Camp Arroyo seco. Comment
  RSA477125  Quercus durata var. gabrielensis I. M. Johnston 1925-4-11 s.n. Los Angeles Mount Lowe Comment
  RSA477324  Quercus lobata G. R. Johnstone 1931-10-24 14029 Los Angeles Santa Susanna Mts. 915 Comment
  RSA479353  Croton californicus Johnstone 1937-7-25 s.n. Los Angeles Angeles Crest Blvd. Comment
  RSA480562  Croton californicus G. R. Johnstone 1925-3-8 17842 Los Angeles Catalina Island Comment
  RSA48104  Eriogonum elongatum var. elongatum I. M. Johnston 1924-8-13 s.n. Los Angeles San Antonio Canyon at Spring Hill 915 Comment
  RSA482648  Boechera californica Geo C. Johnstone 1925-4-10 s.n. Los Angeles Mount Lowe Comment
  RSA483049  Cortaderia selloana George R. Johnstone 1929-10-6 s.n Los Angeles Madeville Canon Comment
  RSA484163  Poa secunda George R. Johnstone 1929-4-4 18609 Los Angeles Angeles National Forest. Pleasant View Ridge. 1677 Comment
  RSA484165  Poa secunda subsp. secunda George R. Johnstone 1925-4-11 s.n. Los Angeles Mt. Lowe Comment
  RSA484211  Poa secunda subsp. secunda I. M. Johnston 1917-7-20 1355 Los Angeles Baldy lookout of USFS 2133 Comment
  RSA484249  Poa secunda George R. Johnstone 1926-4-24 s.n. Los Angeles Shoemaker Canyon Comment
  RSA497994  Prunus ilicifolia G. R. Johnstone 1930-6-22 s.n. Los Angeles Near Ravenna; Soledad Canyon. Comment
  RSA498266  Astragalus douglasii var. douglasii Geo C. Johnstone 1928-4-28 s.n. Los Angeles Canyon N of Big Pines. Comment
  RSA498310  Lotus crassifolius var. crassifolius I. M. Johnston 1917-7-1 1751 Los Angeles San Antonio Mountains; Near Browns Flats. 1372 Comment
  RSA49862  Arctostaphylos glauca I. M. Johnston 1924-8-13 s.n. Los Angeles sunset trail, 1.5 mi S of Sunset Peak 1585 Comment
  RSA498770  Lotus micranthus I. M. Johnston 1917-5-6 1277 Los Angeles Evey Canyon 762 Comment
  RSA498778  Lotus oblongifolius var. oblongifolius I. M. Johnston 1917-6-20 1907 Los Angeles Camp Baldy 1220 Comment
  RSA498838  Lotus dendroideus var. dendroideus G. R. Johnstone 1925-3-8 s.n. Los Angeles Catalina Island Comment
  RSA499939  Amsinckia intermedia Geo C. Johnstone 1925-3-8 s.n. Los Angeles Catalina Island. Comment
  RSA519399  Lupinus elatus I. M. Johnston 1925-6-30 2063 Los Angeles South spur of Cucamonga Peak 1982 Comment
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Oct 28 2014
  RSA588313  Epilobium ciliatum subsp. ciliatum I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 91 Comment
  RSA588314  Epilobium ciliatum subsp. ciliatum G. R. Johnstone 1930-10-8 s.n. Los Angeles San Gabriel Canyon. Near Rincon. 1220 Comment
  RSA588402  Epilobium canum subsp. canum G. R. Johnstone 1930-9-14 s.n. Los Angeles Edison Rd. above Dark Canyon Calif. San Gabriel Mts. 762 Comment
  RSA588443  Epilobium canum subsp. canum G. R. Johnstone 1929-7-21 s.n. Los Angeles Santa Catalina Island. Comment
  RSA683690  Selaginella asprella Ivan M. Johnston 1917-7-28 1595 Los Angeles San Antonio Canon 1753 Comment
  RSA684666  Equisetum hyemale var. affine Geo C. Johnstone 1925-4-10 s.n. Los Angeles Mount Lowe Comment
  RSA687667  Adiantum capillus-veneris Geo C. Johnstone 1927-10-30 s.n. Los Angeles upper part of Big Tujunga Canyon Comment
  RSA694980  Azolla filiculoides George R. Johnstone 1936-3-22 s.n. Los Angeles Soledad Comment
  RSA72481  Phacelia davidsonii I. M. Johnston 1925-8-1 6611 Los Angeles San Antonio Mountains: western end Ontario Peak ridge. 2348 Comment
  RSA76856  Quercus agrifolia var. agrifolia I. M. Johnston 1927-9-10 s.n. Los Angeles Switzer's camp Comment
  RSA775284  Eriogonum elongatum G. R. Johnstone 1929-7-14 s.n. Los Angeles Griffith Park. Comment
  RSA82210  Phyla lanceolata I. M. Johnston 1924-8-29 5094 Los Angeles along ditch at Orange Co. line on road from Artesia to Hungtington Beach. Comment
  RSA83322  Monardella macrantha subsp. hallii I. M. Johnston 1924-8-13 s.n. Los Angeles Head of Evey Canyon Comment
  SBBG59309  Carex mariposana I. M. Johnston 1917-7-4 1399 Los Angeles Baldy Summit, San Antonio Mtns 3048 Comment
  SBBG98243  Setaria pumila I. M. Johnston 1918-8-4 Los Angeles between Claremont and Pomona Comment
  SBBG98245  Layia glandulosa I. Johnston 1917-5-13 976 Los Angeles San Gabriel Wash 152 Comment
  SBBG98321  Cirsium brevistylum I. M. Johnston 1919-5-13 1026 Los Angeles El Monte Comment
  SEINET237210 Image available Melica imperfecta George R. Johnstone 1957-5-27 Los Angeles Santa Monica Mountains near the intersection of Pacific View Dr and Mulholland Dr ca 1.5 mi W of Cahuenga Pass Comment
  SEINET2444422  Allophyllum divaricatum I. M. Johnston 1917-7-1 1439 Los Angeles San Antonio Mountains. 1067 Comment
  SEINET6087045  Quercus kelloggii I. M. Johnston 1917-7-15 1450 Los Angeles Head of South Fork, Lytle Creek. Comment
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Oct 28 2015
  SEINET899243  Baccharis salicifolia Johnston 1917-1 8933 Los Angeles Wilmington. Comment
  UC1601323  Solidago velutina subsp. californica I. M. Johnston 1901-8-22 1710 Los Angeles Prairie Fork San Gabriel River (San Antonio Mountains, Southern California); San Antonio Mountains, Prairie Fork of San Gabriel River 2057 Comment
  UC1601395  Rumex crispus I. M. Johnston 1917-8-21 Los Angeles Head of San Antonio Canyon San Antonio Mountains 2438 Comment
  UC1601626  Eriogonum fasciculatum var. polifolium I. M. Johnston 1917-7-28 1569 Los Angeles N. Fk. San Antonio Canyon San Antonio Mountains, N. Fk. San Antonio Canyon 2209 Comment
  UC1601656  Calochortus invenustus I. M. Johnston 1917-7-4 1397 Los Angeles s slope Baldy; San Antonio Mountains 2286 Comment
  UC1601925  Allium burlewii I. M. Johnston 1917-6-20 1490 Los Angeles Baldy Lookout of USFS San Antonio Mountains, Baldy Lookout of USFS 2133 Comment
  UC1601947  Dudleya cymosa subsp. pumila I. M. Johnston 1917-7-15 1646 Los Angeles head South Fork Lytle River; San Antonio Mtns 1828 Comment
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Nov 23 2013
  UC1601948  Dudleya cymosa subsp. pumila I. M. Johnston 1917-6-15 1289 Los Angeles Ontario Peak, San Antonio Mtns 1828 Comment
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May 13 2016
  UC1602055  Mimulus aurantiacus var. pubescens I. M. Johnston 1917-7-28 1607 Los Angeles N. Fk. San Antonio Canyon San Antonio Mountains 2286 Comment
  UC1602075  Mentzelia dispersa I. M. Johnston 1918-7-5 2090 Los Angeles San Antonio Mountains, San Antonio Canyon 2286 Comment
  UC1602131  Arenaria serpyllifolia I. M. Johnston 1918-4-25 1978 Los Angeles Claremont 365 Comment
  UC1602134  Silene parishii I. M. Johnston 1911-8-21 1670 Los Angeles Pine Mt. , Pine Mt. (San Antonio Mountains) 2346 Comment
  UC1602236  Monardella australis subsp. cinerea I. M. Johnston 1917-7-31 1548 Los Angeles Head of Icehouse Canyon San Antonio Mountains 2529 Comment
  UC1602237  Monardella australis subsp. cinerea I. M. Johnston 1917-8-22 1693 Los Angeles Little Baldy, type station San Antonio Mountains 2895 Comment
  UC1602239  Monardella australis subsp. cinerea I. M. Johnston 1917-6-20 1261 Los Angeles Baldy Lookout of USFS San Antonio Mountains 2133 Comment
  UC1602240  Monardella australis subsp. cinerea I. M. Johnston 1917-7-4 1449 Los Angeles s slope Baldy (Hard Scramble); San Antonio Mountains 2362 Comment
  UC1602368  Rhamnus californica subsp. californica I. M. Johnston 1917-8-22 1709 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains, San Gabriel River 1981 Comment
  UC1602383  Thalictrum fendleri I. M. Johnston 1917-8-23 1677 Los Angeles Prairie Fk of San Gabriel River San Antonio Mountains 1524 Comment
  UC1602385  Mimulus cardinalis I. M. Johnston 1917-7-28 1524 Los Angeles Gold Ridge Mine San Antonio Mountains, North Fork San Antonio Canyon 2438 Comment
  UC1713154  Cordylanthus rigidus subsp. setiger I. M. Johnston 1917-8-23 1675 Los Angeles Prairie Fork San Antonio Mountains 1371 Comment
  UC1713156  Heuchera elegans I. Johnston 1917-6-20 1733 Los Angeles Baldy (U.S.F.S) Lookout Baldy Lookout; San Antonio Mountains 1828 Comment
  UC1713250  Poa secunda subsp. secunda I. M. Johnston 1917-6-20 1355 Los Angeles USFS Lookout; San Antonio Mts 1828 Comment
  UC1713540  Dudleya multicaulis I. M. Johnston May 1917 1290 Los Angeles hills n Claremont (Johnson's Pasture); San Antonio Mountains 609 Comment
  UC1713702  Polygonum lapathifolium I. Johnston 1917-6-14 1343 Los Angeles w Pomona (along creek) Comment
  UC1713818  Cardionema ramosissimum I. Johnston 1917-6-10 1268 Los Angeles near Mesmer Comment
  UC1714431  Pycnanthemum californicum I. M. Johnston 1917-8-23 1715 Los Angeles Prairie Fk of San Gabriel R. San Antonio Mountains (San Antonio Mountains); , Prairie Fk of San Gabriel R. 1432 Comment
  UC1714435  Echinochloa crus-pavonis I. M. Johnston 1918-8-4 2111 Los Angeles North Pomona 365 Comment
  UC1714439  Senecio triangularis I. M. Johnston 1917-8-22 1679 Los Angeles Prairie Fork San Antonio Mountains (in marsh) 2133 Comment
  UC1714448  Setaria pumila I. M. Johnston 1918-8-4 2110 Los Angeles between Pomona and Claremont 365 Comment
  UC1714470  Bromus carinatus var. carinatus I. M. Johnston 1917-6-15 1295 Los Angeles San Antonio Mountains, Spring Hill, (San Antonio Canyon) Spring Hill; San Antonio Mountains, San Antonio Canyon Comment
  UC1714486  Bromus grandis I. M. Johnston 1917-7-28 1407 Los Angeles San Antonio Mountains, San Antonio Canyon San Antonio Canyon; San Antonio Mountains, San Antonio Canyon 2438 Comment
  UC1714525  Lilium parryi I. M. Johnston 1916-8-22 1703 Los Angeles Prairie Fork of San Gabriel River; San Antonio Mounains 2286 Comment
  UC1714526  Crepis acuminata I. M. Johnston 1917-8-22 1650 Los Angeles Pine Mt. Ridge San Antonio Mountains (lee-side of ridge crest) 2499 Comment
  UC1714540  Elymus trachycaulus I. M. Johnston 1918-7-6 2069 Los Angeles Prairie Fork San Gabriel River San Antonio Mountains 1981 Comment
  UC1714541  Elymus trachycaulus I. M. Johnston 1917-7-28 1512 Los Angeles N. Fk. San Antonio Canyon San Antonio Mountains 2438 Comment
  UC1714548  Elymus elymoides subsp. elymoides I. M. Johnston 1917-8-23 1635 Los Angeles Pine Mt. Ridge San Antonio Mountains 2499 Comment
  UC1714572  Pseudoroegneria spicata subsp. spicata I. M. Johnston 1917-7-1 1518 Los Angeles San Antonio Mountains, Browns Flat Browns Flat; San Antonio Mountains, Browns Flat 1371 Comment
  UC1795542  Distichlis spicata I. Johnston 1917-5-13 Los Angeles El Monte Comment
  UC1862361  Melica stricta I. M. Johnston 1918-7-6 2065 Los Angeles Pine Mt. Ridge; San Antonio Mountains 2286 Comment
  UC1947290  Erigeron breweri var. jacinteus I. M. Johnston 1918-7-6 2082 Los Angeles summit of Little Baldy; San Antonio Mountains, Little Baldy 2895 Comment
  UC1947296  Pseudognaphalium stramineum I. M. Johnston 1917-8-23 1705 Los Angeles Prairie Fork San Antonio Mountains, Prairie Fork Comment
  UC1947299  Stephanomeria pauciflora I. M. Johnston 1917-7-28 1573 Los Angeles San Antonio Canyon San Antonio Mountains 1676 Comment
  UC1947573  Erigeron divergens I. M. Johnston 1911-8-22 1708 Los Angeles San Antonio Mountains, Prairie Fork of San Gabriel River 1524 Comment
  UC1947575  Stephanomeria exigua subsp. coronaria I. M. Johnston 1917-8-24 1654 Los Angeles Prairie Fork of the San Gabriel River San Antonio Mountains, San Gabriel River 1828 Comment
  UC1947577  Stephanomeria pauciflora I. M. Johnston 1917-8-24 1649 Los Angeles North of Lytle Creek San Antonio Mountains 1828 Comment
  UC1947585  Cryptantha echinella I. M. Johnston 1918-7-6 2071 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains 2133 Comment
  UC202905  Monardella breweri subsp. lanceolata Ivan M. Johnston 1918-9-1 2139 Los Angeles Brown's Flats San Antonio Mts. 1310 Comment
  UC203498  Mimulus johnstonii I. M. Johnston 1917-6-20 1486 Los Angeles Baldy Lookout of USFS San Antonio Mountains 2133 Comment
  UC203499  Mimulus johnstonii I. M. Johnston 1917-7-28 1562 Los Angeles San Antonio Canyon San Antonio Mts.; San Antonio Canyon, San Antonio Mts. 1828 Comment
  UC205023  Dudleya lanceolata I. Johnston 1917-6-16 1294 Los Angeles Playa del Rey Comment
  UC205024  Dudleya cymosa subsp. pumila I. M. Johnston 1917-7-4 1494 Los Angeles Bear Canyon San Antonio Mtns 1524 Comment
  UC205027  Dudleya cymosa subsp. pumila I. M. Johnston 1917-7-30 1643 Los Angeles Ontario Peak, San Antonio Mtns 2590 Comment
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May 13 2016
  UC205224  Bromus carinatus var. carinatus I. M. Johnston 1917-7-1 1519 Los Angeles San Antonio Mountains, Browns Flats Browns Flats; San Antonio Mountains, Browns Flats 1371 Comment
  UC205228  Bromus hallii I. M. Johnston 1918-7-6 2070 Los Angeles San Antonio Mountains, Prairie Fork of San Gabriel River Prairie Fork San Gabriel River; San Antonio Mountains, Prairie Fork San Gabriel River 1981 Comment
  UC205242  Agrostis alba I. M. Johnston 1917-8-23 1633 Los Angeles Prairie Fork San Gabriel River (San Antonio Mountains); , Prairie Fork San Gabriel River 1524 Comment
  UC205246  Agrostis stolonifera I. Johnston 1917-5-13 1021 Los Angeles El Monte 83 Comment
  UC205252  Agrostis exarata I. M. Johnston 1917-8-23 1634 Los Angeles Prairie Fork San Antonio Mountains 2133 Comment
  UC205253  Agrostis exarata I. M. Johnston 1917-7-28 1510 Los Angeles N. Fk San Antonio Canyon <?> San Antonio Mountains 2682 Comment
  UC205353  Acer macrophyllum I. M. Johnston 1917-7-28 1568 Los Angeles San Antonio Canyon San Antonio Mountains, San Antonio Canyon 1600 Comment
  UC205366  Malacothamnus orbiculatus I. M. Johnston 1917-8-22 1673 Los Angeles San Antonio Mountains, Prairie Fork of San Gabriel River 1905 Comment
  UC205367  Ceanothus greggii var. vestitus I. M. Johnston 1917-8-24 1668 Los Angeles upper part of N. Fork Sythe Creek San Antonio Mts. 2057 Comment
  UC205369  Ceanothus leucodermis I. M. Johnston 1917-7-28 1577 Los Angeles San Antonio Canyon San Antonio Mts. 1752 Comment
  UC205372  Monardella australis subsp. cinerea I. M. Johnston 1917-7-4 1421 Los Angeles s slope Baldy; San Antonio Mountains 2667 Comment
  UC205376  Astragalus bicristatus I. M. Johnston 1918-7-6 2056 Los Angeles Prairie Fork San Gabriel River , Prairie Fork San Gabriel River (San Antonio Mountains) 2133 Comment
  UC205377  Trifolium monanthum subsp. grantianum I. M. Johnston 1987-7-30 1550 Los Angeles Kelly's Cabin (Ontario Pk) San Antonio Mtns 2499 Comment
Read comments
Aug 11 2012
  UC205378  Astragalus lentiginosus var. antonius I. M. Johnston 1917-8-24 1655 Los Angeles Prairie Fork San Antonio Mountains, Prairie Fork (San Antonio Mountains, Southern Californa) 1676 Comment
  UC205379  Astragalus bicristatus I. M. Johnston 1917-8-24 1656 Los Angeles Prairie Fork San Gabriel River , Prairie Fork San Gabriel River (San Antonio Mountains) 1676 Comment
  UC205501  Sisyrinchium bellum I. Johnston 1917-5-13 1022 Los Angeles El Monte along R. R. El Monte Comment
  UC205512  Quercus kelloggii I. M. Johnston 1917-8-24 1714 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains 1981 Comment
  UC205514  Quercus wislizeni Ivan Johnston 1927-11-1 Los Angeles mts above Claremont Comment
  UC205590  Ericameria nauseosa var. bernardina I. M. Johnston 1917-8-22 1652 Los Angeles San Antonio Mountains, Pine Mt. Ridge 2438 Comment
  UC205600  Lepidospartum squamatum I. M. Johnston 1917-8-23 1717 Los Angeles Prairie Fk San Gabriel River; San Antonio Mountains, Prairie Fk of San Gabriel River 1524 Comment
Read comments
Mar 16 2010
  UC205604  Senecio flaccidus var. monoensis I. M. Johnston 1917-8-23 1678 Los Angeles Prairie Fork San Antonio Mountains, Prairie Fork (southern California) 1524 Comment
  UC205609  Packera ionophylla I. M. Johnston 1918-7-6 2085 Los Angeles near Head of Prairie Fork of San Gabriel River; San Antonio Mountains, San Gabriel River 2286 Comment
Read comments
Sep 2 2014
  UC205610  Cirsium mohavense I. M. Johnston 1917-8-22 1707 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains, Prairie Fork of San Gabriel River 1828 Comment
  UC205618  Pseudognaphalium thermale I. M. Johnston 1917-7-28 Los Angeles North Fork San Antonio Canyon, San Antonio Mountains Comment
  UC205619  Senecio triangularis I. M. Johnston 1918-7-6 2088 Los Angeles Prairie Fork San Gabriel River, San Antonio Mountains Comment
  UC205620  Solidago confinis I. M. Johnston 1917-8-22 1674 Los Angeles Prairie Fork at Native Son Mine (San Antonio Mountains) Comment
  UC205625  Erigeron foliosus var. foliosus I. M. Johnston 1917-8-22 1892 Los Angeles Pine Mt., San Antonio Mountains Comment
  UC205628  Agoseris retrorsa I. M. Johnston 1918-7-6 2089 Los Angeles Pine Mt. Ridge, San Antonio Mountains Comment
  UC205629  Poa annua I. Johnston 1916-12-29 37 Los Angeles Claremont Comment
  UC205630  Muhlenbergia richardsonis I. M. Johnston 1917-8-21 1628 Los Angeles San Antonio Mountains, Upper San Antonio Canyon Comment
  UC205648  Phalaris lemmonii I. M. Johnston 1917-4-11 Los Angeles Nigger Slough [Laguna Dominguez] Comment
  UC205651  Phalaris minor I. M. Johnston 1917-5-13 Los Angeles El Monte Comment
  UC205661  Artemisia douglasiana I. M. Johnston 1917-8-24 Los Angeles Prairie Fork San Antonio Mountains, Prairie Fork Comment
  UC205663  Artemisia ludoviciana subsp. albula I. M. Johnston 1917-8-22 1651 Los Angeles Pine Mt. Ridge, San Antonio Mountains Comment
  UC205664  Artemisia tridentata I. M. Johnston 1917-8-22 Los Angeles crest Pine Mt. Ridge, San Antonio Mountains, Comment
  UC205681  Symphyotrichum defoliatum I. M. Johnston 1917-8-23 1640 Los Angeles Prairie Fk of San Gabriel R. San Antonio Mountains, San Gabriel River Comment
  UC205683  Stephanomeria pauciflora I. M. Johnston 1917-7-28 1573 Los Angeles San Antonio Canyon, San Antonio Mountains Comment
  UC205686  Packera ionophylla I. M. Johnston 1917-8-24 1658 Los Angeles Head of Prairie Fork San Antonio Mountains Comment
Read comments
Aug 26 2014
  UC205693  Dieteria canescens var. canescens I. M. Johnston 1917-8-22 1647 Los Angeles Prairie Fork San Antonio Mountains, Prairie Fork of San Gabriel River 1981 Comment
  UC205696  Helianthus gracilentus I. M. Johnston 1917-7-15 1457 Los Angeles head of South Fork (by the creek); San Antonio Mountains 1828 Comment
  UC205708  Allium monticola I. M. Johnston 1917-7-4 1446 Los Angeles Head of San Antonio Canyon San Antonio Mountains, San Antonio Canyon 2438 Comment
  UC205724  Koeleria macrantha I. M. Johnston 1917-7-1 1520 Los Angeles Browns Flats San Antonio Mountains; , Browns Flats 1371 Comment
  UC205727 Image available Leptochloa uninervia I. M. Johnston 1918-10-21 2163 Los Angeles Los Angeles River; Aliso St. Bridge Comment
  UC205743  Artemisia ludoviciana subsp. incompta I. M. Johnston 1917-8-22 1651 Los Angeles Pine Ridge San Antonio Mountains, Pine Ridge 2438 Comment
  UC205749  Leymus triticoides I. Johnston 1917-5-13 Los Angeles El Monte; rail road embankment 114 Comment
  UC205799  Silene verecunda subsp. platyota I. M. Johnston 1917-8-22 1671 Los Angeles n slope of Baldy , n slope of Baldy (San Antonio Mountains) 2743 Comment
  UC205826  Minuartia douglasii I. M. Johnston 1917-6-20 1356 Los Angeles Baldy Lookout of U.S.F.S. San Antonio Mountains 2133 Comment
  UC205850  Erysimum suffrutescens I. Johnston 1917-6-10 1312 Los Angeles sand dunes and cliff along coast Playa del Rey Comment
  UC205855  Draba corrugata I. M. Johnston 1917-7-4 1416 Los Angeles summit Baldy (Southern California); San Antonio Mountains, summit of Baldy 3048 Comment
  UC205864  Boechera platysperma I. Johnston 1917-7-3 1465 Los Angeles Upper San Antonio Canyon Comment
  UC205868  Boechera californica I. M. Johnston 1918-3-21 1973 Los Angeles between Upland and Claremont (San Antonio Canyon Wash); San Antonio Canyon 365 Comment
  UC205876  Erysimum capitatum I. Johnston 1917-6-20 1357 Los Angeles Baldy (USFS) Lookout San Antonio Mts. 1828 Comment
  UC205877  Erysimum capitatum I. Johnston 1917-3-10 58 Los Angeles in field Cucamonga Comment
  UC205916  Oxytheca parishii var. parishii I. M. Johnston 1917-6-20 1487 Los Angeles Baldy U.S.F.S. Lookout San Antonio Mountains 1981 Comment
  UC205918  Oxytheca caryophylloides I. Johnston 1917-6-10 1259 Los Angeles Baldy U.S.F.S. Lookout San Antonio Mts. 2042 Comment
  UC205920  Oxytheca caryophylloides I. M. Johnston 1917-6-20 1259 Los Angeles Baldy U.S.F.S. Lookout San Antonio Mountains 2057 Comment
  UC205946  Monardella australis subsp. cinerea I. M. Johnston 1917-7-4 1422 Los Angeles s slope Baldy; San Antonio Mountains 1828 Comment
  UC205953  Chorizanthe staticoides I. Johnston 1917-5-13 27 P Los Angeles San Gabriel Wash 152 Comment
  UC205954  Eriogonum elongatum var. elongatum I. M. Johnston 1917-8-23 1716 Los Angeles Prairie Fk. of San Gabriel R. San Antonio Mountains, Prairie Fk. of San Gabriel R. 1524 Comment
  UC205962  Eriogonum saxatile I. M. Johnston 1917-7-28 1572 Los Angeles N. Fk. San Antonio Canyon San Antonio Mountains, N. Fk. San Antonio Canyon 2286 Comment
  UC205963  Eriogonum saxatile I. M. Johnston 1917-7-31 1546 Los Angeles summit of Telegraph Pk. San Antonio Mountains, Telegraph Pk. 2743 Comment
  UC205965  Eriogonum saxatile I. M. Johnston 1917-7-3 1463 Los Angeles San Antonio Canyon San Antonio Mountains, San Antonio Canyon 1828 Comment
  UC205970 Image available Eriogonum microthecum var. johnstonii I. M. Johnston 1917-9-16 1726 Los Angeles w spur Baldy; San Antonio Mountains; San Antonio Mts. 2743 Comment
  UC205985  Eriogonum thurberi I. Johnston 1917-5-13 978 Los Angeles San Gabriel Wash 152 Comment
  UC211178  Azolla filiculoides I. Johnston 1917-5-13 1030 Los Angeles El Monte Comment
  UC211429  Equisetum X ferrissii I. Johnston 1917-5-13 27 T Los Angeles El Monte 121 Comment
  UC211459  Equisetum laevigatum I. Johnston 1917-5-13 27 U Los Angeles El Monte 106 Comment
  UC212018  Carex alma I. Johnston 1917-5-13 27 E Los Angeles El Monte 121 Comment
  UC212035  Carex pellita I. Johnston 1917-5-13 Los Angeles ditch along R.R., El Monte El Monte 83 Comment
  UC212055  Carex barbarae I. M. Johnston 1918-8-18 2117 Los Angeles Live Oak Canyon San Antonio Mountains 411 Comment
Read comments
May 10 2012
  UC212182  Asclepias californica I. M. Johnston 1917-6-20 1266 Los Angeles Baldy Lookout of U.S.F.S. San Antonio Mountains 2133 Comment
  UC212183  Cuscuta californica I. M. Johnston 1917-8-22 1686 Los Angeles Pine Mt. San Antonio Mountains 2438 Comment
  UC212198  Phacelia imbricata subsp. patula I. M. Johnston 1918-7-6 2092 Los Angeles Prairie Fork San Gabriel River San Antonio Mountains (canyon floor) 2057 Comment
  UC212200  Phacelia longipes I. M. Johnston 1917-8-21 Los Angeles head of San Antonio Canyon (Sleepy Hollow) San Antonio Mountains 2286 Comment
  UC212318  Drymocallis glandulosa var. viscida I. M. Johnston 1918-7-6 2068 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains, Prairie Fork San Gabriel River (along small stream) 1981 Comment
  UC212320  Drymocallis glandulosa var. viscida I. M. Johnston 1918-7-6 2072 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains, Prairie Fork San Gabriel River (along stream) 2438 Comment
  UC212345  Amorpha californica var. californica I. Johnston 1917-6-14 1348 Los Angeles hills w Pomona 304 Comment
  UC212351  Lotus nevadensis var. davidsonii I. Johnston 1917-7-4 1423 Los Angeles s slope Baldy Comment
  UC212356  Prunus virginiana var. demissa I. M. Johnston 1917-8-23 1712 Los Angeles Prairie Fork San Gabriel River; San Antonio Mountains, Prairie Fork San Gabriel River 1524 Comment
  UC212358  Cercocarpus betuloides var. betuloides I. Johnston 1917-5-6 119 Los Angeles n of Upland (Evey Canyon); Evey Canyon Comment
  UC212368  Rosa californica I. M. Johnston 1918-8-4 2121 Los Angeles hills w Pomona Comment
  UC212382  Ribes divaricatum var. parishii I. M. Johnston 1918-7-28 2101 Los Angeles San Gabriel River at El Monte San Gabriel River 91 Comment
  UC212413  Ribes cereum I. Johnston 1917-7-4 1419 Los Angeles summit Baldy 3048 Comment
  UC212422  Dudleya multicaulis I. M. Johnston May 1917 1290 Los Angeles above Claremont (Johnson's Pasture); San Antonio Mountains 609 Comment
  UC212489  Lotus oblongifolius var. oblongifolius I. Johnston 1917-5-13 Los Angeles El Monte 121 Comment
  UC212501  Gilia ochroleuca subsp. vivida I. M. Johnston 1917-8-24 Los Angeles near head Prairie Fork (San Antonio Mountains, Southern California); San Antonio Mountains, nr Head of Prairie Fork 2346 Comment
  UC212502  Gilia ochroleuca subsp. vivida I. M. Johnston 1917-6-20 1265 Los Angeles Baldy Lookout of U.S.F.S. , Baldy Lookout (San Antonio Mountains) 2133 Comment
  UC212503  Eriastrum densifolium subsp. austromontanum I. M. Johnston 1917-7-28 1587 Los Angeles San Antonio Canyon San Antonio Mountains 1600 Comment
  UC212507  Gilia ochroleuca subsp. vivida I. M. Johnston 1917-7-31 1547 Los Angeles head of Icehouse Canyon San Antonio Mountains, head of Icehouse Canyon (Southern California) 2529 Comment
  UC212515  Phacelia ramosissima var. ramosissima I. M. Johnston 1918-7-6 2091 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains 2072 Comment
  UC212516  Phacelia davidsonii I. M. Johnston 1918-6-16 2034 Los Angeles mouth of Icehouse Canyon San Antonio Mountains 1524 Comment
  UC212517  Phacelia davidsonii I. M. Johnston 1917-6-20 1264 Los Angeles Baldy Lookout of USFS San Antonio Mountains 2133 Comment
  UC212518  Phacelia austromontana I. M. Johnston 1917-7-28 1592 Los Angeles N. Fk. San Antonio Canyon San Antonio Mountains 2316 Comment
  UC212523  Drymocallis glandulosa var. viscida I. M. Johnston 1917-7-1 1753 Los Angeles Brown's Flats San Antonio Mts. 1371 Comment
Read comments
May 15 2007
  UC212528  Drymocallis glandulosa var. viscida I. Johnston 1917-7-3 1410 Los Angeles Upper San Antonio Canyon 2286 Comment
  UC212558  Heuchera abramsii I. M. Johnston 1917-7-4 1417 Los Angeles Summit of Baldy; San Antonio Mountains 3048 Comment
  UC212561  Heuchera elegans I. M. Johnston 1917-7-15 1456 Los Angeles head of South Fork (by the Creek); San Antonio Mountains 1828 Comment
  UC212583  Ribes montigenum I. M. Johnston 1917-7-4 1415 Los Angeles summit Baldy; San Antonio Mountains 3048 Comment
  UC212585  Ribes nevadense I. M. Johnston 1403 Los Angeles San Antonio Canyon San Antonio Mountains 1676 Comment
  UC212587  Ribes cereum I. M. Johnston 1917-7-4 1419 Los Angeles summit Baldy; San Antonio Mountains 3048 Comment
  UC212588  Heuchera abramsii I. M. Johnston 1918-7-6 2096 Los Angeles summit Baldy (Type Station); San Antonio Mountains 3048 Comment
  UC212589  Heuchera abramsii I. M. Johnston 1907-8-22 1690 Los Angeles n slope of Baldy; San Antoni Mountains 2743 Comment
Read comments
Nov 6 2014
  UC212610  Drymocallis lactea var. lactea I. M. Johnston 1918-7-6 2066 Los Angeles Prairie Fork San Gabriel River San Antonio Mountains, Prairie Fork San Gabriel River 2133 Comment
  UC212611  Drymocallis lactea var. lactea I. M. Johnston 1917-8-22 Los Angeles Prairie Fork San Antonio Mountains, Prairie Fork 2133 Comment
  UC212615  Rosa woodsii subsp. gratissima I. M. Johnston 1917-8-23 1704 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains 1524 Comment
  UC212616  Rosa californica I. M. Johnston 1917-7-29 1590 Los Angeles San Antonio Canyon, San Antonio Mountains 1600 Comment
Read comments
Jun 12 2012
  UC212617  Cercocarpus ledifolius var. ledifolius I. M. Johnston 1917-6-20 1485 Los Angeles San Antonio Mountains, Baldy Lookout of U.S.F.S San Antonio Mountains 2133 Comment
  UC212619  Amelanchier utahensis I. M. Johnston 1917-8-22 1711 Los Angeles Prairie Fork of San Gabriel River; San Antonio Mountains 2133 Comment
  UC212647  Isomeris arborea I. Johnston 1917-4-11 Los Angeles Dominguez Mesa Comment
  UC212663  Dudleya cymosa subsp. pumila I. M. Johnston 1917-6-15 Los Angeles w end Ontario Peak; San Antonio Mtns 1828 Comment
Read comments
May 13 2016
  UC212769  Juncus mexicanus I. Johnston 1917-4-11 Los Angeles Wilmington Comment
  UC212770  Juncus I. Johnston 1917-5-13 Los Angeles El Monte 91 Comment
  UC212778  Juncus ambiguus I. Johnston 1917-5-13 Los Angeles El Monte 91 Comment
  UC212779  Juncus ambiguus I. Johnston 1917-6-14 1347 Los Angeles w of Pomona Comment
  UC212793  Oreonana vestita I. M. Johnston 1917-7-20 1260 Los Angeles San Antonio Mts., Baldy Lookout of U.S.F.S. 2133 Comment
  UC212795  Carex phaeocephala I. Johnston 1917-7-4 1399 Los Angeles summit Baldy 3048 Comment
  UC212796  Carex triquetra I. Johnston 1917-5-6 1917 Los Angeles Evey Canyon San Antonio Mts. 914 Comment
  UC212800  Carex hassei I. M. Johnston 1917-7-28 1413 Los Angeles N. Fk. San Antonio Canyon San Antonio Mountains 2438 Comment
  UC212801  Carex alma I. M. Johnston 1907-7-28 1508 Los Angeles Upper San Antonio Canyon 1524 Comment
  UC212804  Carex subfusca I. M. Johnston 1917-7-4 1399 Los Angeles summit Baldy; San Antonio Mountains 3048 Comment
  UC212821  Carex praegracilis I. Johnston 1917-6-14 1272 Los Angeles w Pomona Comment
  UC212955  Lewisia rediviva I. M. Johnston 1917-6-20 1493 Los Angeles Baldy Lookout of USGS San Antonio Mountains 1981 Comment
  UC212960  Calyptridium parryi var. parryi I. M. Johnston 1918-7-6 Los Angeles Pine Mountain, at lead of Devils Slide Pine Mountain; San Antonio Mountains, , Devils Slide 2895 Comment
  UC213016  Lewisia rediviva I. M. Johnston 1917-7-3 1412 Los Angeles head of San Antonio Canyon San Antonio Mountains 2438 Comment
  UC213022  Amaranthus blitoides I. M. Johnston 1918-7-29 2098 Los Angeles El Monte 91 Comment
  UC213206  Dodecatheon redolens I. M. Johnston 1918-7-6 2100 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains, Prairie Fork San Gabriel River (marsh in a side canyon) 2133 Comment
  UC213208  Dodecatheon redolens I. M. Johnston 1917-8-22 1648 Los Angeles Prairie Fork San Gabriel River San Antonio Mountains, Prairie Fork San Gabriel River 2133 Comment
  UC213217  Osmorhiza berteroi I. M. Johnston 1918-7-6 2084 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains 2133 Comment
  UC213223  Epilobium brachycarpum I. M. Johnston 1917-8-22 Los Angeles around Native Son Mine; San Antonio Mountains, Prairie Fork of San Gabriel River 1524 Comment
  UC213224  Epilobium glaberrimum subsp. glaberrimum I. M. Johnston 1918-7-6 2075 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains 2286 Comment
  UC213252  Garrya veatchii I. M. Johnston 1917-7-28 1578 Los Angeles San Antonio Canyon; San Antonio Mountains 1752 Comment
  UC213253  Arctostaphylos parryana I. M. Johnston 1917-7-4 1468 Los Angeles San Antonio Mountains 1828 Comment
  UC213255  Stephanomeria pauciflora I. M. Johnston 1918-7-23 2099 Los Angeles near Claremont; San Antonio Canyon 365 Comment
  UC213258  Stillingia linearifolia I. M. Johnston 1918-4-27 1865 Los Angeles Temescal Canyon 365 Comment
  UC213261  Epilobium canum subsp. canum I. M. Johnston 1917-11-30 1801 Los Angeles w mouth of Live Oak Canyon; San Antonio Mountains 457 Comment
  UC213273  Cercocarpus betuloides var. betuloides I. M. Johnston 1917-4-28 1372 Los Angeles San Antonio Canyon Wash, near the Los Angeles - San Bernardino County line San Antonio Canyon Wash 365 Comment
  UC213274  Heuchera elegans I. M. Johnston 1917-6-20 1733 Los Angeles Baldy Lookout of U. S. F. S. Baldy Lookout; San Antonio Mountains 1828 Comment
  UC213275  Monardella breweri subsp. lanceolata I. M. Johnston 1918-9-1 2139 Los Angeles Brown's Flats San Antonio Mountains 1310 Comment
  UC213280  Amsinckia menziesii var. menziesii I. M. Johnston 1918-4-11 1834 Los Angeles s of Glendora; Love Hill 365 Comment
Read comments
Apr 7 2014
  UC213281  Lupinus longifolius I. M. Johnston 1917-7-1 Los Angeles Evey Canyon (Spring on the Fire Break) Evey Canyon; San Antonio Mountains, Evey Canyon (Spring on the Fire Break 1066 Comment
  UC213292  Corethrogyne filaginifolia I. M. Johnston 1918-9-1 2137 Los Angeles Brown's Flats San Antonio Mountains 1310 Comment
  UC213294  Lupinus longifolius I. M. Johnston 1917-7-1 1444 Los Angeles near Browns Flats (San Antonio Mountains, Southern California); San Antonio Mountains 1356 Comment
  UC213295  Turricula parryi I. M. Johnston 1917-7-1 1437 Los Angeles Head of Evey Canyon; San Antonio Mountains 1371 Comment
  UC213312  Bothriochloa barbinodis I. M. Johnston 1917-11-30 1800 Los Angeles San Antonio Mountains, mouth of Live Oak Canyon Live Oak Canyon; San Antonio Mountains, Live Oak Canyon 457 Comment
  UC213317  Verbesina encelioides subsp. exauriculata I. M. Johnston 1918-7-29 2107 Los Angeles El Monte 91 Comment
  UC213428  Clarkia rhomboidea I. M. Johnston 1404 Los Angeles San Antonio Canyon San Antonio Mountains 1524 Comment
  UC213433  Lonicera interrupta I. M. Johnston 1917-8-23 1713 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains 1524 Comment
  UC213436  Symphoricarpos rotundifolius var. parishii I. M. Johnston 1917-9-16 1727 Los Angeles w spur Baldy; San Antonio Mountains 2743 Comment
  UC213439  Lonicera subspicata var. denudata I. M. Johnston 1917-7-28 Los Angeles N. Fk. San Antonio Canyon San Antonio Mountains 1905 Comment
  UC213450  Suaeda moquinii I. Johnston 1917-6-10 1267 Los Angeles w of Los Angeles; Cienega Comment
  UC213636  Juncus textilis I. Johnston 1917-5-13 27 C Los Angeles El Monte 121 Comment
  UC213647  Juncus textilis I. Johnston 1916-11-26 24 Los Angeles n of Claremont; Evey Canyon 1127 Comment
  UC213656  Juncus xiphioides I. M. Johnston 1917-8-23 1684 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains 1524 Comment
  UC213657  Juncus xiphioides I. M. Johnston 1917-8-23 1632 Los Angeles Prairie Fk of San Gabriel R. San Antonio Mountains 1524 Comment
  UC213660  Juncus xiphioides I. Johnston 1917-6-14 1273 Los Angeles w of Pomona Comment
  UC213662  Juncus phaeocephalus var. paniculatus I. Johnston 1917-5-13 Los Angeles El Monte 114 Comment
  UC215355  Pinus monophylla I. M. Johnston 1917-8-24 1722 Los Angeles N. Fk. of Little Creek San Antonio Mountains, N. Fk. of Little Creek 1981 Comment
  UC215362  Ephedra viridis I. M. Johnston 1917-8-23 1721 Los Angeles Prairie Fk. San Gabriel River; Southern California, San Antonio Mountains, San Gabriel Rive 1524 Comment
  UC215372  Juniperus californica I. Johnston 981 Los Angeles San Gabriel Wash 152 Comment
  UC216127  Lotus nevadensis var. davidsonii I. M. Johnston 1917-7-4 1423 Los Angeles s slope Baldy; San Antonio Mountains 1981 Comment
  UC216142  Lotus crassifolius var. crassifolius I. M. Johnston 1917-6-20 1495 Los Angeles Baldy Lookout San Antonio Mountains 2133 Comment
  UC217439  Atriplex nummularia I. Johnston 1917-6-10 1900 Los Angeles bluffs along coast Playa del Rey Comment
  UC219113  Veronica peregrina subsp. xalapensis I. Johnston 1917-4-11 1018 Los Angeles Nigger Slough [Laguna Dominguez] Comment
  UC219118  Collinsia childii I. Johnston 1917-6-15 6 Los Angeles Cascade Canyon; San Antonio Mtns 1371 Comment
  UC219141  Antirrhinum multiflorum I. Johnston 1917-6-20 Los Angeles San Antonio Canyon 1066 Comment
  UC277059  Fraxinus velutina I. M. Johnston 1918-7-28 2097 Los Angeles El Monte San Gabriel River 91 Comment
  UC277067  Cycladenia humilis var. venusta I. Johnston 1917-7-4 1428 Los Angeles s. slope of Baldy (s. CA); s. CA 2286 Comment
  UC277071  Asclepias californica I. Johnston 1917-6-20 1266 Los Angeles Baldy Lookout of USFS San Antonio Mts. 2133 Comment
  UC280130  Corethrogyne filaginifolia I. M. Johnston 1918-9-1 2137 Los Angeles Brown's Flats San Antonio Mts. 1310 Comment
Read comments
Oct 31 2012
  UC284103  Turricula parryi I. Johnston 1917-7-1 1437 Los Angeles Evey Canyon 1524 Comment
  UC284609  Baccharis salicifolia subsp. salicifolia I. Johnston 1917-4-11 Los Angeles Wilmington Comment
  UC284646  Monardella australis subsp. cinerea I. Johnston 1917-7-4 1420 Los Angeles near summit Baldy (type locality) 2971 Comment
  UC284647  Monardella australis subsp. cinerea I. Johnston 1917-7-4 1421 Los Angeles s slope Baldy 2590 Comment
  UC284648  Monardella australis subsp. cinerea I. Johnston 1917-7-4 1422 Los Angeles s slope Baldy 1828 Comment
  UC284649 Image available Monardella breweri subsp. glandulifera I. M. Johnston 1918-9-1 2139 Los Angeles Brown's Flats, San Antonio Mountains 1310 Comment
  UC284651  Monardella australis subsp. cinerea I. M. Johnston 1917-8-22 1693 Los Angeles Little Baldy, type station San Antonio Mountains 2895 Comment
  UC284652  Monardella australis subsp. cinerea I. M. Johnston 1917-7-31 1548 Los Angeles Head of Icehouse Canyon San Antonio Mountains 2529 Comment
  UC284653  Monardella australis subsp. cinerea I. Johnston 1917-6-20 1261 Los Angeles Baldy Lookout (USFS) San Antonio Mts. 2133 Comment
  UC284677  Phacelia davidsonii I. M. Johnston 1917-6-20 1264 Los Angeles Baldy Lookout of USFS San Antonio Mountains 2133 Comment
  UC284689  Phacelia imbricata subsp. patula I. Johnston 1917-7-1 1443 Los Angeles Browns Flat Comment
Read comments
Feb 8 2007
  UC284697  Phacelia ramosissima var. austrolitoralis I. Johnston 1917-6-10 1322 Los Angeles sand dunes Playa del Rey Comment
  UC284698  Phacelia ramosissima var. latifolia I. Johnston 1917-5-6 1945 Los Angeles mouth San Antonio Canyon (dry wash) Comment
  UC284793  Lamium amplexicaule I. M. Johnston 1918-8-4 2113 Los Angeles Claremont 365 Comment
  UC303436  Lonicera interrupta I. M. Johnston 1917-8-23 1713 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains 1524 Comment
  UC303437  Lonicera subspicata var. denudata I. Johnston 1917-5-13 980 Los Angeles San Gabriel Wash 152 Comment
  UC303458  Galium angustifolium subsp. gabrielense I. Johnston 1917-6-20 1262 Los Angeles Baldy Lookout of USFS San Antonio Mts. 2133 Comment
  UC303471  Orobanche bulbosa I. M. Johnston 1917-7-1 1430 Los Angeles Evey Canyon on Yerba Santa, San Antonio Mountains Evey Canyon; San Antonio Mountains, Evey Canyon 838 Comment
  UC303472  Orobanche fasciculata I. M. Johnston 1917-7-30 1556 Los Angeles San Antonio Mountains, Cucamonga Peak. Comment
  UC303473  Orobanche parishii I. M. Johnston 1917-7-4 1429 Los Angeles San Antonio Mountains, Evey Canyon Evey Canyon; San Antonio Mountains, Evey Canyon 1066 Comment
  UC303477  Sanicula bipinnata I. M. Johnston 1918-5-19 2003 Los Angeles Hills s of Pomona; Southern California 365 Comment
  UC303497  Oreonana vestita I. Johnston 1917-7-4 1413 Los Angeles near summit of Baldy San Gabriel Mts. Comment
  UC303506  Angelica tomentosa I. M. Johnston 1918-9-1 2141 Los Angeles near Brown's Flat (San Antonio Mountains); San Antonio Mountains 1310 Comment
  UC303521  Symphyotrichum greatae I. M. Johnston 1917-10-27 1761 Los Angeles Evey Canyon San Antonio Mountains 975 Comment
  UC303522  Symphyotrichum greatae I. M. Johnston 1917-9-16 1725 Los Angeles Coldwater Fk. of Cattle Canon San Antonio Mountains 1219 Comment
  UC303524  Symphyotrichum lanceolatum var. hesperium I. M. Johnston 1918-10-21 2162 Los Angeles El Monte Comment
  UC303533  Ericameria nauseosa var. bernardina I. M. Johnston 1917-8-22 1652 Los Angeles San Antonio Mountains, Pine Mt. Ridge 2438 Comment
  UC303547  Malacothamnus fasciculatus var. fasciculatus I. Johnston 1917-5-13 982 Los Angeles San Gabriel Wash 152 Comment
  UC303599  Rhamnus tomentella subsp. cuspidata I. M. Johnston 1917-8-22 1709 Los Angeles Prairie Fork of San Gabriel River San Gabriel River 1981 Comment
  UC303608  Rhamnus ilicifolia I. Johnston 1917-2-10 62 Los Angeles hills s of Pomona 365 Comment
  UC303618  Linanthus aureus I. Johnston May 1917 977 Los Angeles San Gabriel Wash 152 Comment
  UC303619  Allophyllum divaricatum I. Johnston 1917-7-1 1439 Los Angeles <Evy> Evey Canyon 1066 Comment
Read comments
Jan 23 2011
  UC303641  Arctostaphylos glauca I. Johnston 1917-1-28 40 Los Angeles mouth of canyon San Antonio Canyon (rocky wash) Comment
  UC303648  Garrya flavescens I. M. Johnston 1918-5-19 1985 Los Angeles San Antonio Canyon; San Antonio Mountains 1402 Comment
  UC303649  Garrya veatchii I. M. Johnston 1918-5-19 1983 Los Angeles San Antonio Canyon; San Antonio Mountains 1158 Comment
  UC303662  Garrya veatchii I. M. Johnston 1918-5-19 1986 Los Angeles San Antonio Canyon; San Antonio Mountains 1371 Comment
  UC303663  Garrya veatchii I. M. Johnston 1918-5-19 1982 Los Angeles Upper San Antonio Canyon; San Antonio Mountains 1584 Comment
  UC303684  Solanum americanum I. M. Johnston 1918-7-29 2102 Los Angeles [El Monte]? [El Monte] 91 Comment
  UC303691  Solanum umbelliferum I. Johnston 1917-5-6 118 Los Angeles Evey Canyon Comment
  UC303713  Navarretia hamata I. Johnston 1917-5-13 986 Los Angeles San Gabriel Wash 152 Comment
  UC303735  Leptodactylon pungens I. Johnston 1917-7-3 1411 Los Angeles Upper San Antonio 2286 Comment
  UC303736  Eriastrum densifolium subsp. austromontanum I. M. Johnston 1917-7-28 1587 Los Angeles San Antonio Canyon San Antonio Mountains 1600 Comment
  UC303737  Gilia ochroleuca subsp. vivida I. Johnston 1917-6-20 1265 Los Angeles Baldy Lookout of U.S. Forest Service San Antonio Mountains, Baldy Lookout of U.S.Forest Service (San Antonio Mts.) 2133 Comment
  UC303744  Gilia achilleifolia subsp. multicaulis I. Johnston 1917-5-6 1946 Los Angeles Evey Canyon Comment
  UC303791  Chamaesyce melanadenia I. M. Johnston 1917-11-30 1801 Los Angeles mouth Live Oak Canyon; San Antonio Mtns 457 Comment
  UC303799  Stillingia linearifolia I. M. Johnston 1918-4-27 1865 Los Angeles Temescal Canyon 365 Comment
  UC303999  Lasthenia glabrata subsp. coulteri I. Johnston 1917-4-11 Los Angeles Nigger Slough [Laguna Dominguez] Comment
  UC306107  Eleocharis montevidensis I. Johnston 1917-5-13 1019 Los Angeles El Monte, along R.R. 83 Comment
  UC306118  Phoradendron libocedri I. M. Johnston 1917-8-23 1718 Los Angeles San Antonio Mts., Prairie Fork of San Gabriel R. 1432 Comment
  UC306120  Phoradendron villosum I. M. Johnston 1917-8-23 1719 Los Angeles San Antonio Mts., Prairie Fork of San Gabriel R. 1432 Comment
  UC306134  Scirpus cernuus I. Johnston 1917-6-14 1344 Los Angeles w Pomona; w of Pomoma Comment
  UC306138  Scirpus microcarpus I. Johnston 1917-5-13 Los Angeles El Monte 152 Comment
  UC306164  Scirpus americanus I. Johnston 1917-5-13 Los Angeles El Monte El Monte (ditch along R.R., Southern California) Comment
  UC306166  Scirpus acutus var. occidentalis I. Johnston 1917-5-13 27 B Los Angeles El Monte El Monte (ditch along R.R., Southern California) 121 Comment
  UC306194  Hieracium argutum I. M. Johnston 1918-8-25 2129 Los Angeles shaded cliff in Evey Canyon (San Antonio Mountains); , Evey Canyon 914 Comment
  UC306206  Amsinckia menziesii var. menziesii I. M. Johnston 1918-4-11 1833 Los Angeles Lone Hill south of Glendora 365 Comment
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Feb 20 2017
  UC306208  Amsinckia menziesii var. menziesii I. M. Johnston 1918-4-11 1834 Los Angeles Lone Hill south of Glendora 365 Comment
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Feb 20 2017
  UC306212  Amsinckia menziesii var. menziesii I. M. Johnston 1918-4-11 1834 Los Angeles Love Hill s of Glendora; Love Hill 365 Comment
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Jul 17 2009
  UC306215  Amsinckia intermedia I. Johnston 1918-4-11 1833 Los Angeles s of Glendora; Love Hill Comment
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Apr 7 2014
  UC306233  Cryptantha micrantha I. Johnston 1917-5-13 27 R Los Angeles San Gabriel Wash 152 Comment
  UC306263  Epilobium ciliatum subsp. ciliatum I. Johnston 1917-5-13 Los Angeles El Monte 91 Comment
  UC306266  Gayophytum oligospermum I. Johnston 1917-7-1 1441 Los Angeles near Browns Flats Comment
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May 15 2007
  UC306296  Camissoniopsis cheiranthifolia subsp. suffruticosa I. Johnston 1917-6-10 1334 Los Angeles sand dunes Playa del Rey Comment
  UC306302  Camissonia strigulosa I. Johnston 1917-7-1 1442 Los Angeles near Browns Flats Comment
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May 15 2007
  UC306317  Stephanomeria exigua subsp. coronaria I. M. Johnston 1917-8-24 1654 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountians 1828 Comment
  UC306329  Senecio triangularis I. M. Johnston 1917-8-22 1679 Los Angeles Prairie Fk., San Antonio Mountains, Southern California San Gabriel River; San Antonio Mountains, Prairie Fk. of San Gabriel River 2133 Comment
  UC306395  Helminthotheca echioides I. Johnston 1917-6-10 1321 Los Angeles near Mesmer; Southern California Comment
  UC306446  Malacothrix saxatilis var. tenuifolia I. Johnston 1910-6-10 1311 Los Angeles Playa del Rey Comment
  UC306462  Verbesina encelioides subsp. exauriculata I. M. Johnston 1918-7-29 2107 Los Angeles El Monte 91 Comment
  UC306713  Selaginella bigelovii I. M. Johnston 1918-3-29 1828 Los Angeles s Glendora (Lone Hill) 304 Comment
  UC397184  Trifolium obtusiflorum I. Johnston 1917-5-13 275 Los Angeles San Gabriel Wash 152 Comment
  UC397208  Lotus nevadensis var. davidsonii I. M. Johnston 1917-6-15 1258 Los Angeles Baldy (U.S.F.S.) Lookout San Antonio Mountains 2133 Comment
  UC397212  Lotus heermannii I. Johnston Los Angeles El Monte 121 Comment
  UC397240  Astragalus trichopodus var. lonchus I. Johnston 1919-6-10 1319 Los Angeles near Mesmer (dry cliffs and hillsides); near Mesmer Comment
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Sep 11 2007
  UC397246  Astragalus trichopodus var. lonchus I. M. Johnston 1918-5-19 1964 Los Angeles hills s Pomona; Hills s of Pomona Comment
  UC399478  Adiantum aleuticum I. Johnston 1917-7-1 1445 Los Angeles near Browns Flats 1371 Comment
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May 15 2007
  UC420675  Frankenia salina I. Johnston 1917-6-19 1269 Los Angeles between Mesmer and Playa del Rey Comment
  UC433166  Populus trichocarpa I. Johnston 1917-7-3 1447 Los Angeles Upper San Antonio Canyon 2286 Comment
  UC437364  Salix exigua var. hindsiana I. M. Johnston 1917-8-23 1685 Los Angeles Prairie Fork of San Gabriel R.; San Antonio Mts. 1524 Comment
  UC437370  Salix scouleriana I. M. Johnston 1917-8-22 1683 Los Angeles bench below ridge crest Pine Mt.; San Antonio Mts., Pine Mt. 2590 Comment
  UC445030  Dodecatheon clevelandii subsp. clevelandii I. Johnston 1917-1-28 36 Los Angeles mouth of San Antonio Canyon Comment
  UC465445  Abronia umbellata I. Johnston 1917-6-10 1316 Los Angeles Playa del Rey Comment
  UC485348  Cotula coronopifolia I. M. Johnston 1917-4-11 Los Angeles Los Angeles Basin; Nigger Slough Comment
  UC485351  Cotula coronopifolia I. Johnston May 1917 1027 Los Angeles El Monte 82 Comment
  UC537980  Boschniakia strobilacea I. M. Johnston 1917-7-4 1449 Los Angeles San Antonio Mountains south slope of Baldy. 2286 Comment
  UC537982  Orobanche fasciculata I. M. Johnston 1917-7-28 Los Angeles San Antonio Mountans. N. Fork, San Antonio Canyon. Comment
  UC551793  Cryptantha clevelandii Ivan M. Johnston 1932-3-28 10620 Los Angeles hills between Del Rey and El Segundo 25 Comment
  UC551851  Plagiobothrys canescens var. catalinensis Ivan M. Johnston 1932-5-7 10645 Los Angeles summit of Coach Road Santa Catalina Island Comment
  UC551884  Plagiobothrys canescens var. catalinensis Ivan M. Johnston 1932-5-7 10648 Los Angeles ridges f Grand Canyon; Santa Catalina Island Comment
  UC8040694  Scirpus cernuus I. Johnston 1917-6-14 1344 Los Angeles w Pomona; w of Pomona Comment
  UC817049  Deschampsia danthonioides I. Johnston 1917-4-11 Los Angeles Nigger Slough [Laguna Dominguez] Comment
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Dec 15 2010
  UC817982  Vulpia microstachys var. pauciflora I. M. Johnston 1918-5-19 2001 Los Angeles hills s of Pomona 365 Comment
  UC818919  Melica imperfecta I. M. Johnston 1918-6-2 2021 Los Angeles Evey Canyon; San Antonio Mountains 914 Comment
  UC820508  Phalaris minor I. M. Johnston 1917-4-11 Los Angeles Nigger Slough Nigger Slough [Laguna Dominguez] (Southern California) Comment
  UC832709  Verbesina encelioides subsp. exauriculata I. M. Johnston 1918-7-24 2107 Los Angeles El Monte 91 Comment
  UC842817  Juncus rugulosus I. Johnston 1917-6-14 1341 Los Angeles w of Pomona Comment
  UC846159  Salix exigua var. hindsiana Ivan Johnston 1917-5-13 1242 Los Angeles El Monte 91 Comment
  UC851646  Abronia villosa I. Johnston 1917-6-10 1316 Los Angeles Playa del Rey Comment
  UC852438  Arenaria serpyllifolia subsp. serpyllifolia I. M. Johnston 1918-4-25 1978 Los Angeles Southern California,Claremont 365 Comment
  UC860215  Horkelia cuneata subsp. puberula I. M. Johnston 1918-5-1 1892 Los Angeles between Upland and Claremont San Antonio Canyon wash 365 Comment
  UC862881  Astragalus trichopodus var. lonchus I. Johnston 1917-6-10 1319 Los Angeles near Mesmer (dry cliffs and hillsides); near Mesmer Comment
  UC866485  Lotus scoparius I. Johnston 1917-6-10 1333 Los Angeles Playa del Rey Comment
  UC881244  Phacelia ramosissima var. austrolitoralis I. Johnston 1917-6-10 1322 Los Angeles sand dunes Playa del Rey Comment
  UC881292  Pholistoma auritum I. Johnston 1917-3-29 1249 Los Angeles above Claremont Claremont Comment
  UC892928  Symphyotrichum subulatum I. Johnston 1917-4-11 Los Angeles Nigger Slough [Laguna Dominguez] Comment
  UCD63927  Eragrostis mexicana subsp. virescens E. M. Johnston 1915-1 Los Angeles Monrovia. Comment
  UCR129390  Agrostis alba I. M. Johnston 1917-8-23 1633 Los Angeles Transverse Ranges; San Antonio [San Gabriel] Mtns., Prairie Fork of San Gabriel River 1524 Comment
  UCR129392  Agrostis exarata I. M. Johnston 1917-8-23 1634 Los Angeles San Antonio [San Gabriel] Mtns., Prairie Fork of San Gabriel River 2134 Comment
  UCR129393  Collinsia heterophylla var. austromontana I. M. Johnston 1917-7-1 1750 Los Angeles San Antonio [San Gabriel] Mtns., Near Brown's Flat 1280 Comment
  UCR129641  Juncus bufonius I. M. Johnston 1916-12-29 s.n. Los Angeles San Gabriel Valley, Claremont 335 Comment
  UCR139362  Solanum americanum I. M. Johnston 1918-7-29 2102 Los Angeles San Gabriel Valley, El Monte, under [San Gabriel River] bridge along railroad 91 Comment
  UCR139364  Ceanothus oliganthus I. M. Johnston 1917-9-17 1724 Los Angeles San Antonio [San Gabriel] Mountains, Cow Canyon 915 Comment
  UCR139369  Mentzelia montana I. M. Johnston 1917-7-1 1755 Los Angeles San Gabriel Mtns., Brown's Flat 1372 Comment
  UCR139370  Koeleria macrantha I. M. Johnston 1917-7-1 1520 Los Angeles San Gabriel Mtns., Brown's Flat 1372 Comment
  UCR139371  Agropyron parishii var. laeve I. M. Johnston 1917-7-1 1518 Los Angeles San Gabriel Mtns., Brown's Flat 1372 Comment
  UCR139372  Koeleria macrantha I. M. Johnston 1917-6-15 1294 Los Angeles San Gabriel Mountains, Spring Hill, San Antonio Canyon 1296 Comment
  UCR139373  Malvella leprosa I. M. Johnston 1917-6-10 1315 Los Angeles South Coast, Ballona Creek near Mesmer Comment
  UCR139374  Castilleja minor subsp. spiralis I. M. Johnston 1917-5-13 983 Los Angeles San Gabriel Valley, El Monte 91 Comment
  UCR139375  Eriogonum thurberi I. M. Johnston 1917-5-13 978 Los Angeles San Gabriel Valley, San Gabriel Wash 152 Comment
  UCR143090  Monardella australis subsp. cinerea I. M. Johnston 1917-7-4 1449 Los Angeles Transverse Ranges; San Gabriel Mountains, South slope of Mt. Baldy 2287 Comment
  UCR143091  Monardella australis subsp. cinerea I. M. Johnston 1917-8-22 1693 Los Angeles Transverse Ranges; San Gabriel Mtns., 'Little Baldy 2896 Comment
  UCR143108  Tamarix parviflora I. M. Johnston 1917-4-11 s.n. Los Angeles Coastal Plains and Basins; Los Angeles Basin region, Wilmington 3 Comment
  UCR143274  Veronica peregrina I. M. Johnston 1917-4-11 1018 Los Angeles Coastal Plains and Basins; Los Angeles Basin, Near Gardena, [Dominguez] Slough 12 Comment
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Oct 14 2008
  UCR143427  Mesembryanthemum crystallinum I. M. Johnston 1917-4-11 s.n. Los Angeles Coastal Plains and Basins; Los Angeles Basin region, Wilmington 3 Comment
  UCR143428  Sesuvium verrucosum I. M. Johnston 1917-4-11 s.n. Los Angeles Coastal Plains and Basins; Los Angeles Basin, Near Gardena, [Dominguez] Slough 12 Comment
  UCR143540  Erigeron divergens I. M. Johnston 1917-8-22 1708 Los Angeles Transverse Ranges; San Gabriel Mtns, Prairie Fork of the San Gabriel River 1524 Comment
  UCR168208  Juncus textilis I. M. Johnston 1916-11-26 s.n. Los Angeles San Gabriel Mountains, Evey Canyon 1143 Comment
  UCR168435  Phoradendron juniperinum subsp. libocedri I. M. Johnston 1917-8-23 1718 Los Angeles Transverse Ranges; San Antonio [San Gabriel] Mtns., Prairie Fork of San Gabriel River 1524 Comment
  UCR168439  Phoradendron villosum I. M. Johnston 1917-8-23 1719 Los Angeles Transverse Ranges; San Antonio [San Gabriel] Mtns., Prairie Fork of San Gabriel River 1524 Comment
  UCR17814  Castilleja exserta I. M. Johnston 1917-4-11 s.n. Los Angeles Coastal Plain, Gardena 16 Comment
  UCR17881  Gaura sinuata G. R. Johnstone 1932-4-30 s.n. Los Angeles Los Angeles Basin, 3600 block of Slauson Ave., Los Angeles 69 Comment
  UCR17890  Potamogeton pectinatus G. R. Johnstone 1930-6-15 s.n. Los Angeles San Gabriel Mtns., Soledad Canyon near Ravenna 762 Comment
  UCR17928  Ceanothus arboreus G. R. Johnstone, Freda Detmers 1934-5-20 s.n. Los Angeles Channel Islands, Santa Catalina Island, Descanso Canyon, near Avalon above Descanso Bay 91 Comment
  UCR17929  Cercocarpus betuloides var. blancheae G. R. Johnstone 1934-5-20 s.n. Los Angeles Channel Islands, Santa Catalina Island, Descanso Canyon, near Avalon above Descanso Bay 91 Comment
  UCR17990  Pseudognaphalium biolettii G. R. Johnstone 1934-5-20 s.n. Los Angeles Channel Islands, Santa Catalina Island, Descanso Canyon, near Avalon above Descanso Bay 91 Comment
  UCR17991  Hemizonia fasciculata G. R. Johnstone 1934-5-20 s.n. Los Angeles Channel Islands, Santa Catalina Island, Descanso Canyon, near Avalon above Descanso Bay 91 Comment
  UCR17993  Mimulus aurantiacus var. puniceus G. R. Johnstone 1934-5-20 s.n. Los Angeles Channel Islands, Santa Catalina Island, Descanso Canyon, near Avalon above Descanso Bay 91 Comment
  UCR17996  Cirsium occidentale var. occidentale G. R. Johnstone 1934-5-20 s.n. Los Angeles Channel Islands, Santa Catalina Island, Descanso Canyon, near Avalon above Descanso Bay 91 Comment
  UCR19581  Cryptantha intermedia G. R. Johnstone 1930-6-22 s.n. Los Angeles San Gabriel Mtns., Soledad Canyon, Ravenna 800 Comment
  UCR19589  Eriogonum gracile G. R. Johnstone 1930-10-19 s.n. Los Angeles Los Angeles Basin region; San Gabriel Valley, Rosemead, in the dry bed of the Rio Hondo River 152 Comment
  UCR19608  Dichelostemma capitatum subsp. capitatum G. R. Johnstone 1925-3-8 s.n. Los Angeles Channel Islands, Santa Catalina Island Comment
  UCR19814  Ranunculus californicus I. M. Johnston 1917-2-10 69 Los Angeles San Gabriel Valley, hills south of Pomona 366 Comment
  UCR20307  Ericameria parishii G. R. Johnstone, T. S. Clare 1927-10-20 s.n. Los Angeles San Gabriel Mtns., Eaton Canyon 762 Comment
  UCR207972  Epipactis gigantea I. M. Johnston 1917-7-20 1746 Los Angeles Transverse Range; San Gabriel Mtns., Camp Baldy [= Mt. Baldy Village] 1220 Comment
  UCR208199  Juncus xiphioides I. M. Johnston 1917-6-14 1273 Los Angeles San Gabriel Valley, west of Pomona Comment
  UCR208202  Prunus virginiana var. demissa I. M. Johnston 1917-8-23 1712 Los Angeles Transverse Ranges; San Antonio [San Gabriel] Mtns., Prairie Fork of San Gabriel River 1524 Comment
  UCR208207  Salix exigua I. M. Johnston 1917-8-23 1685 Los Angeles Transverse Ranges; San Antonio [San Gabriel] Mtns., Prairie Fork of San Gabriel River 1524 Comment
  UCR208239  Salix scouleriana I. M. Johnston 1917-8-22 1683 Los Angeles Transverse Ranges; San Gabriel Mtns, Pine Mountain 2591 Comment
  UCR208898  Astragalus bicristatus I. M. Johnston 1918-7-6 2056 Los Angeles San Antonio [San Gabriel] Mtns., Prairie Fork of San Gabriel River 2134 Comment
  UCR25119  Adiantum capillus-veneris G. R. Johnstone 1930-7-13 s.n. Los Angeles San Gabriel Mtns., Hansen's Ranch [house at confluence of Big and Little Tujunga canyons] in Big Tujunga Canyon 610 Comment
  UCR47675  Cryptantha muricata I. M. Johnston 1932-3-28 10619 Los Angeles N slope San Pedro Hills, Palos Verdes Est. 50 Comment
  UCR66434  Potentilla egedii var. grandis I. M. Johnston 1917-6-10 1336 Los Angeles South Coast, Ballona Creek near Mesmer Comment
  UCR66509  Heuchera abramsii I. M. Johnston 1918-7-6 2096 Los Angeles San Antonio Mtns., Baldy Summit 3049 Comment
  UCR70758  Lasthenia glabrata subsp. coulteri I. M. Johnston 1917-4-11 s.n. Los Angeles Coastal Plains and Basins; Los Angeles Basin, Near Gardena, [Dominguez] Slough 12 Comment
  UCR70772  Aster greatae I. M. Johnston 1917-9-16 1725 Los Angeles San Gabriel Mtns., San Gabriel Mountains, Coldwater Fork of Cattle Cyn. 1223 Comment
  UCR70837  Navarretia prostrata I. M. Johnston 1917-4-11 s.n. Los Angeles Coastal Plains and Basins; Los Angeles Basin, Near Gardena, [Dominguez] Slough 12 Comment
  UCR70848  Dodecatheon redolens I. M. Johnston 1919-7-6 2100 Los Angeles San Antonio [San Gabriel] Mtns., Prairie Fork of San Gabriel River 2134 Comment
  CAS-BOT-BC110941  Scirpus microcarpus I. Johnston 1947-6-14 1345 Los Angeles West of Pomona Comment
  CAS-BOT-BC113041  Eleocharis montevidensis I. Johnston 1917-5-30 1132 Los Angeles Chino Creek south of Ontario 152 Comment
  CAS-BOT-BC113043  Eleocharis montevidensis I. Johnston 1916-10-10 13 Los Angeles Red Hill near Upland, marsh. Comment
  CAS-BOT-BC114305  Cyperus esculentus Ivan Murray Johnston 1918-7-29 2108 Los Angeles Covina. 152 Comment
  CAS-BOT-BC117969  Carex rossii Ivan Murray Johnston 1907-7-30 1496 Los Angeles Cucamonga Pk. 2651 Comment
  CAS-BOT-BC157709  Drymocallis glandulosa var. glandulosa I. M. Johnston 1918-4-28 1894 Los Angeles Turnbull [Canon] Canyon, Puente Hills 365 Comment
  CAS-BOT-BC174907  Silene laciniata I. Johnston 1917-5-3 1147 Los Angeles Hill south of Ontario 304 Comment
  CAS-BOT-BC242769  Eriogonum davidsonii I. M. Johnston 1917-7-30 1583 Los Angeles San Antonio Mountains. Cucamonga Pk 2438 Comment
  CAS-BOT-BC287868  Coreopsis californica I. Johnston 1917-3-29 1251 Los Angeles Above Claremont Comment
  CAS-BOT-BC287869  Coreopsis californica I. Johnston 1917-3-29 1251 Los Angeles Above Claremont Comment
  CAS-BOT-BC291373  Cotula coronopifolia I. Johnston 1917-4-11 s.n. Los Angeles Compton Creek near Dominguez Comment
  CAS-BOT-BC32079  Carex multicaulis Ivan Murray Johnston 1917-7-4 1426 Los Angeles Bear Canyon 1524 Comment
  CAS-BOT-BC321529  Layia glandulosa I. Johnston 1917-5-13 976 Los Angeles San Gabariel Wash 152 Comment
  CAS-BOT-BC327002  Verbesina encelioides I. M. Johnston 1918-7-29 2107 Los Angeles El Monte 91 Comment
  CAS-BOT-BC343707  Madia elegans I. M. Johnston 1918-8-8 2116 Los Angeles San Antonio Mountains. Mouth of Cucamonga Canon [Canyon] 609 Comment
  CAS-BOT-BC348125  Matricaria discoidea I. Johnston 1917-4-11 s.n. Los Angeles Nigger Slough Comment
  CAS-BOT-BC355762  Osmadenia tenella I. Johnston 1917-5-27 1248 Los Angeles Above Claremont (Johnson's Pasture) Comment
  CAS-BOT-BC364565  Senecio vulgaris I. Johnston 1917-4-11 s.n. Los Angeles Nigger Slough Comment
  CAS-BOT-BC375071  Stephanomeria I. M. Johnston 1917-7-28 1573 Los Angeles San Antonio Mountains. San Antonio Canon [Canyon] 1676 Comment
  CAS-BOT-BC375478  Stephanomeria exigua subsp. exigua I. M. Johnston 1917-8-24 1654 Los Angeles San Antonio Mountains. Prairie Fk. of San Gabriel R. 1828 Comment
  CAS-BOT-BC375720  Stephanomeria runcinata I. M. Johnston 1918-7-23 2099 Los Angeles San Antonio Canon [Canyon] Wash (near Claremont) 365 Comment
  CAS-BOT-BC375721  Stephanomeria runcinata I. M. Johnston 1918-7-23 2099 Los Angeles San Antonio Canon [Canyon] Wash (near Claremont) 365 Comment
  CAS-BOT-BC378866  Ranunculus californicus var. californicus I. Johnston 1917-2-10 s.n. Los Angeles hills south of Pomona Comment
  CAS-BOT-BC378867  Ranunculus californicus var. californicus I. Johnston 1917-2-15 s.n. Los Angeles hills south of Pomona Comment
  CAS-BOT-BC384748  Arenaria serpyllifolia var. serpyllifolia I. M. Johnston 1918-4-25 1978 Los Angeles Claremont 365 Comment
  CAS-BOT-BC389327  Silene lemmonii I. M. Johnston 1917-6-15 1276 Los Angeles San Antonio Mountains. Cascade Canon [Canyon] 1371 Comment
  CAS-BOT-BC390793  Spergularia marina I. Johnston 1911-4-1 s.n. Los Angeles Compton Creek near Domniguez [Dominguez] Comment
  CAS-BOT-BC390999  Spergularia villosa I. M. Johnston 1918-4-25 1976 Los Angeles Claremont, a side of path on college campus 365 Comment
  CAS-BOT-BC418821  Fagopyrum esculentum I. M. Johnston 1918-7-29 2109 Los Angeles La Verne 304 Comment
  CAS-BOT-BC435237  Mesembryanthemum crystallinum I. Johnston 1917-4-11 s.n. Los Angeles Wilmington Comment
  CAS-BOT-BC438407  Calandrinia ciliata I. Johnston 1917-3-10 s.n. Los Angeles Upland Comment
  CAS-BOT-BC472943  Allium monticola I. M. Johnston 1917-7-4 1446 Los Angeles Head of San Antonio Canon 2438 Comment
  CAS-BOT-BC472944  Allium monticola I. M. Johnston 1917-7-31 1543 Los Angeles Telegraph Peak 2743 Comment
  CAS-BOT-BC475443  Allium serra I. M. Johnston 1918-4-27 1885 Los Angeles Temescal Canyon 365 Comment
  CAS-BOT-BC499184  Kopsiopsis strobilacea I. M. Johnston 1917-7-4 1449 Los Angeles South slope of Mt. Baldy, San Antonio Mountains 2286 Comment
  CAS-BOT-BC502726  Orobanche bulbosa I. M. Johnston 1917-7-1 1430 Los Angeles San Antonio Mountains: Evey Canon 1371 Comment
  CAS-BOT-BC527329  Drymocallis glandulosa var. reflexa I. M. Johnston 1918-7-6 2068 Los Angeles Prairie Fork San Gabriel River, San Antonio Mountains 1981 Comment
  CAS-BOT-BC527330  Drymocallis glandulosa var. reflexa I. M. Johnston 1917-7-1 1753 Los Angeles Brown's Flats, San Antonio Mountains 1310 Comment
  CAS-BOT-BC532279  Horkelia cuneata var. puberula I. M. Johnston 1918-4-14 1887 Los Angeles Southern California, Deer Canyon Wash near Etiwanda 365 Comment
  CAS-BOT-BC532280  Horkelia cuneata var. puberula I. M. Johnston 1918-5-1 1892 Los Angeles Southern California, San Antonio Canon Wash between Upland and Claremont 365 Comment
  LA52240  Dodecatheon clevelandii Sharon Johnston; 1957-3-13 Los Angeles Westwood, UCLA campus. Faculty Hill 182 Comment
  POM11183  Euphorbia lathyris I. M. Johnston 1917-6-20 1747 Los Angeles San Antonio Canyon. (7 Oaks) Comment
  POM11314  Epilobium brachycarpum I. M. Johnston 1917-7-31 1534 Los Angeles San Antonio Canyon below Camp Baldy. 1280 Comment
  POM11333  Lewisia rediviva I. M. Johnston 1917-7-3 1412 Los Angeles San Antonio Mountains: Head of San Antonio Canyon [Los Angeles Co?] 2439 Comment
  POM12941  Mirabilis laevis var. crassifolia I. M. Johnston 1922-5-19 5251 Los Angeles 5 miles NE of Murietta. 457 Comment
  POM1337  Juncus textilis I. M. Johnston 1916-11-26 s.n. Los Angeles Evey Canyon. 1143 Comment
  POM1344  Cyperus niger var. capitatus I. M. Johnston 1916-11-21 s.n. Los Angeles Claremont. Comment
  POM1345  Cyperus niger var. capitatus I. M. Johnston 1916-11-19 s.n. Los Angeles Claremont. 365 Comment
  POM1356  Cyperus esculentus I. M. Johnston 1918-7-29 2108 Los Angeles Covina. 152 Comment
  POM1369  Eleocharis montevidensis I. M. Johnston 1917-4-11 s.n. Los Angeles Compton Creek near Dominguez. Comment
  POM1380  Eleocharis radicans I. M. Johnston 1916-12-29 s.n. Los Angeles Claremont, just south of town. Comment
  POM1386  Schoenoplectus californicus I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough . [locality name change to Laguna Dominguez ] Comment
  POM1401  Schoenoplectus maritimus I. M. Johnston 1917-6-10 1318 Los Angeles Playa Del Rey Comment
  POM1407  Schoenoplectus americanus I. M. Johnston 1917-4-11 s.n. Los Angeles Compton Creek at Dominguez Comment
  POM1434  Carex alma I. M. Johnston 1917-7-4 1425 Los Angeles Bear Flat. 1677 Comment
  POM1459  Carex barbarae I. M. Johnston 1918-8-18 2117 Los Angeles Live Oak Canyon 412 Comment
  POM1490B  Carex multicaulis I. M. Johnston 1917-7-4 1426 Los Angeles Bear Canyon 1372 Comment
  POM1543  Juncus bufonius I. M. Johnston 1916-12-29 s.n. Los Angeles Claremont, just south of town. Comment
  POM1554  Juncus mexicanus I. M. Johnston 1917-4-11 s.n. Los Angeles Wilmington. Comment
  POM1557  Juncus mexicanus I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 91 Comment
  POM1569  Dudleya lanceolata I. M. Johnston 1917-6-20 1367 Los Angeles San Antonio Canyon (7 Oaks) 975 Comment
  POM1594  Juncus torreyi I. M. Johnston 1918-8-20 2123 Los Angeles Near Colton. 274 Comment
  POM1604  Juncus rugulosus I. M. Johnston 1918-10-18 s.n. Los Angeles Los Angeles River. Comment
  POM1753  Sisyrinchium bellum I. M. Johnston 1918-5-5 1888 Los Angeles Trumbull Canyon, Puente Hills 30 Comment
  POM1870  Lotus scoparius I. M. Johnston 1917-6-10 1333 Los Angeles Playa del Rey. Comment
  POM1919  Lotus strigosus I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough. [locality name change to Laguna Dominguez] Comment
  POM193  Senecio vulgaris I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough. [locality name change to Laguna Dominguez] Comment
  POM1944  Trifolium depauperatum var. truncatum I. M. Johnston s.n. Los Angeles [Illegible locality.] Comment
  POM1952  Trifolium tridentatum var. obtusiflorum I. M. Johnston 1917-5-13 275 Los Angeles San Gabriel Wash NW of El Monte 152 Comment
  POM1953  Trifolium fucatum I. M. Johnston 1918-5-5 1895 Los Angeles Trunbull Canyon, Puente Hills 366 Comment
  POM199  Senecio californicus I. M. Johnston 1917-3-29 1250 Los Angeles Above Claremont. Comment
  POM206  Senecio triangularis I. M. Johnston 1918-7-6 2088 Los Angeles San Gabriel Mountains: Fork of San Gabriel River. 2133 Comment
  POM2231  Eriogonum elongatum I. M. Johnston s.n. Los Angeles Upland. Comment
  POM2308  Eriogonum thurberi I. M. Johnston 1917-5-13 978 Los Angeles In San Gabriel Wash. 152 Comment
  POM2378  Fagopyrum esculentum I. M. Johnston 1918-7-29 2109 Los Angeles La Verne, abundant at roadside 305 Comment
  POM2406  Medicago polymorpha I. M. Johnston 1917-5-20 1245 Los Angeles Claremont Comment
  POM243A  Senecio vulgaris I. M. Johnston 1917-2-10 s.n. Los Angeles Pomona Comment
  POM2615  Lupinus andersonii I. M. Johnston 1918-7-6 2086 Los Angeles Prairie Fork of San Gabriel River 1982 Comment
  POM284  Silene lemmonii I. M. Johnston 1917-6-15 1276 Los Angeles Cascade Canyon. 1372 Comment
  POM2849  Euphorbia lathyris I. M. Johnston 1917-7-20 1747 Los Angeles San Antonio Canyon (Seven oaks). Comment
  POM2853  Chamaesyce melanadenia I. M. Johnston 1917-11-30 1806 Los Angeles Mouth of live Oak Canon. Upper Sonoran Zone. 457 Comment
  POM3024  Viola sheltonii I. M. Johnston 1917-7-1 1759 Los Angeles Near Brown's Flat in Fern Canyon. 1280 Comment
  POM3032  Viola purpurea subsp. purpurea I. M. Johnston 1917-6-20 1734 Los Angeles Baldy Lookout, U.S.F.S. 1677 Comment
  POM3194  Camissonia bistorta I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough . [locality name change to Laguna Dominguez ] Comment
  POM350035  Lupinus bicolor subsp. microphyllus G. R. Johnstone 1932-3-19 15483 Los Angeles Los Angeles. 1128 Comment
  POM350047  Lupinus bicolor subsp. microphyllus I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough. [locality name change to Laguna Dominguez] Comment
  POM351498  Centaurea melitensis George R. Johnston 1934-5-20 18973 Los Angeles Descanso Canon, Santa Catalina Island. Comment
  POM357  Nasturtium officinale E. M. Johnstone 1909-1 s.n. Los Angeles Claremont. 365 Comment
  POM3593  Convolvulus arvensis I. M. Johnston 1918-5-19 2000 Los Angeles Near Pomona. 305 Comment
  POM360463  Hieracium argutum George R. Johnstone 1930-9-14 s.n. Los Angeles Edison Rd. above Dark Canyon Calif. San Gabriel Mts. 762 Comment
  POM361341  Jaumea carnosa George R. Johnstone 1929-7-12 s.n. Los Angeles Playa del Rey. Comment
  POM3614  Anagallis arvensis I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  POM364524  Leptosiphon breviculus G. R. Johnstone 1928-4-24 s.n. Los Angeles Antelope Valley, foothills S. of valley. Comment
  POM367667  Galium angustifolium subsp. angustifolium G. R. Johnstone 1930-9-7 s.n. Los Angeles Mt. Wilson trail. 762 Comment
  POM367668  Galium angustifolium subsp. angustifolium G. R. Johnstone 1930-6-22 s.n. Los Angeles Ravenna; Soledad Canyon. Comment
  POM368829  Pectocarya setosa George R. Johnstone 1926-4-24 s.n. Los Angeles Antelope Valley, foothills S. of valley. Comment
  POM369396  Descurainia pinnata subsp. glabra George R. Johnstone 1930-3-30 s.n. Los Angeles 3 1/2 miles from Llano. Mojave Desert. Comment
  POM3710  Cryptantha micrantha I. M. Johnston 1917-5-13 27 r Los Angeles San Gabriel Wash 152 Comment
  POM3896  Cryptantha clevelandii var. florosa I. M. Johnston 1918-5-5 1948 Los Angeles Puente Hills. 335 Comment
  POM3914  Amsinckia intermedia I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough . [locality name change to Laguna Dominguez ] Comment
  POM3918  Cryptantha clevelandii var. florosa I. M. Johnston 1918-5-5 1935 Los Angeles Trunbull Canyon, Puente Hills 366 Comment
  POM399  Cardamine californica var. californica I. M. Johnston 1283 Los Angeles San Gabriel Wash 152 Comment
  POM4006  Verbena bracteata I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  POM4012  Verbena lasiostachys var. lasiostachys I. M. Johnston 1917-7-28 1608 Los Angeles San Antonio Canyon. San Antonio Mountains. [County unspecified] 2439 Comment
Read comments
Jun 10 2012
  POM4170  Solanum umbelliferum I. M. Johnston 1917-5-15 1024 Los Angeles San Gabriel Wash. 152 Comment
  POM4542  Plantago major I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  POM4637  Gnaphalium chilense I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 91 Comment
  POM4753  Conyza bonariensis I. M. Johnston 1917-4-11 11 Los Angeles N* Slough'. [locality name change to'Laguna Dominguez'] Comment
  POM47580  Cressa truxillensis I. M. Johnston 1924-8-29 s.n. Los Angeles 4 mi. S of Santa Ana. Comment
  POM4790  Aster subulatus var. ligulatus I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  POM4795  Aster subulatus var. ligulatus I. M. Johnston 1917-5-13 979 Los Angeles El Monte. 91 Comment
  POM4816  Ambrosia chamissonis I. M. Johnston 1917-6-10 1317 Los Angeles Playa del Rey. Comment
  POM4831  Layia platyglossa subsp. campestris I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  POM4869  Coreopsis californica var. californica I. M. Johnston 1917-3-29 1251 Los Angeles Above Claremont. Comment
  POM4961  Calycadenia tenella I. M. Johnston 1917-5-27 1248 Los Angeles Above Claremont (Johnson's Pasture) Comment
  POM4968  Madia elegans subsp. elegans I. M. Johnston 1918-6-16 s.n. Los Angeles San Antonio Canyon. 1433 Comment
  POM541  Boechera californica I. M. Johnston 1918-5-12 1956 Los Angeles San Antonio Canyon (Camp Larkin) 1645 Comment
  POM5984  Amblyopappus pusillus I. M. Johnston 1917-6-10 1271 Los Angeles Playa del Rey. Comment
  POM6048  Chaenactis glabriuscula var. glabriuscula I. M. Johnston 1918-5-12 1954 Los Angeles San Antonio Mountains. San Antonio Canyon 915 Comment
  POM6151  Silybum marianum I. M. Johnston 1917-5-13 1025 Los Angeles El Monte 84 Comment
  POM6218  Tragopogon porrifolius I. M. Johnston 1911-4-11 s.n. Los Angeles Near Gardena Comment
  POM6220  Picris echioides I. M. Johnston 1917-4-11 s.n. Los Angeles N* Slough. [locality name change to Laguna Dominguez] Comment
  POM625  Drymocallis glandulosa var. wrangelliana I. M. Johnston 1918-4-28 1894 Los Angeles Puente Hills, Turnbull Canon 366 Comment
  POM636  Atriplex californica I. M. Johnston 1917-6-10 1270 Los Angeles Playa Del Rey Comment
  POM638  Atriplex lentiformis subsp. breweri I. M. Johnston 1917-6-10 s.n. Los Angeles Playa Del Rey Comment
  POM685  Suaeda moquinii I. M. Johnston s.n. Los Angeles Illegible Comment
  POM721  Amaranthus deflexus I. M. Johnston 1918-8-4 2115 Los Angeles Pomona. Locally very abundant at roadside. Comment
  POM736  Abronia umbellata I. M. Johnston 1919-6-10 1316 Los Angeles Playa del Rey. Comment
  POM780  Cistanthe monosperma I. M. Johnston 1917-7-31 1397 Los Angeles Head of San Antonio Canyon, upper transition zone 2439 Comment
  POM78979  Cryptantha microstachys I. M. Johnston 1925-7-8 s.n. Los Angeles south trail to Baldy Lookout 1645 Comment
  POM798  Lewisia rediviva I. M. Johnston 1917-7-4 1470 Los Angeles San Antonio Mountains: south slope of Baldy 2744 Comment
Read comments
Jan 23 2011
  POM866  Adiantum aleuticum I. M. Johnston 1917-7-1 1445 Los Angeles Near Brown's Flat in Fern Canyon. 1280 Comment
  POM8842  Descurainia pinnata subsp. glabra I. M. Johnston 1920-5-5 s.n . Los Angeles Near Mojave Comment
  POM904  Azolla filiculoides Ivan M. Johnston 1917-5-13 1030 Los Angeles El Monte. Comment
  POM9186  Cryptantha nevadensis I. M. Johnston 1920-5-5 2256 Los Angeles Near Mojave Comment
  POM946  Selaginella asprella Ivan M. Johnston 1917-7-28 1595 Los Angeles San Antonio Canon 1753 Comment
  POM955  Equisetum X ferrissii I. M. Johnston 1917-5-13 27 T. Los Angeles El Monte. 122 Comment
  POM959  Equisetum laevigatum I. M. Johnston 1917-5-13 27 Q Los Angeles El Monte 106 Comment
  POM96  Clematis pauciflora I. M. Johnston 1918-6-2 s.n. Los Angeles Mouth of San Antonio Canyon. San Antonio Mts 610 Comment
  POM962  Equisetum laevigatum I. M. Johnston 1917-5-13 27 U Los Angeles El Monte, in ditch along R.R. 106 Comment
  POM980  Pinus attenuata I. M. Johnston 1916-11-21 s.n. Los Angeles San Antonio Canyon Comment
  POM98120  Gnaphalium beneolens I. M. Johnston 1924-9-4 s.n. Los Angeles Arcadia. Comment
  POM9872  Asparagus officinalis I. M. Johnston 1917-6-14 1346 Los Angeles West of Pomona. Comment
  POM9877  Anemopsis californica I. M. Johnston 1917-4-11 s.n. Los Angeles Compton Creek near Dominguez. Comment
  POM994  Juniperus californica I. M. Johnston 981 Los Angeles San Gabriel Wash 152 Comment
  RSA0000228  Carex subfusca I. M. Johnston 1917-7-31 1505 Los Angeles San Antonio Mts. Icehouse Canon. 1982 Comment
  RSA0001020  Chaenactis santolinoides I. M. Johnston 1917-6-20 1489 Los Angeles Baldy Lookout of USFS. 2134 Comment
  RSA0001076  Corethrogyne filaginifolia var. pinetorum I. M. Johnston 1918-9-1 2137 Los Angeles San Antonio Mts, near Brown's Flat 1311 Comment
  RSA0001777  Cryptantha intermedia var. johnstonii I. M. Johnston 1918-5-15 1938 Los Angeles Claremont. [Campus by Harwood Hall.] 366 Comment
  RSA0003923  Monardella lanceolata var. glandulifera I. M. Johnston 1918-9-1 2139 Los Angeles San Antonio Mountains: Browns Flat 1311 Comment
  RSA0003924  Monardella lanceolata var. glandulifera I. M. Johnston 1918-9-1 2139 Los Angeles San Antonio Mountains: Browns Flat 1311 Comment
  RSA0003926  Monardella saxicola I. M. Johnston 1918-9-1 2133 Los Angeles San Antonio Mts, near Brown's Flat 1311 Comment
  RSA0003927  Monardella saxicola I. M. Johnston 1918-9-1 2133 Los Angeles San Antonio Mts, near Brown's Flat 1311 Comment
  RSA0003928  Monardella saxicola I. M. Johnston 1918-9-1 2133 Los Angeles San Antonio Mts, near Brown's Flat 1311 Comment
  RSA0003929  Monardella saxicola I. M. Johnston 1917-7-1 1440 Los Angeles Head of Evey canyon (on sunset trail) 1448 Comment
  RSA0008288  Ribes divaricatum var. parishii I. M. Johnston 1918-7-28 2101 Los Angeles San Gabriel River at El Monte. 91 Comment
  RSA0011190  Juglans californica G. R. Johnstone 1934-5-20 s.n. Los Angeles Catalina Island: South slope below the summit 305 Comment
  RSA0011193  Juglans californica I. M. Johnston 1918-9-3 s.n. Los Angeles W of Pomona Comment
  RSA0011729  Asplenium vespertinum I. M. Johnston 1917-4-1 1351 Los Angeles Cucamonga Canyon 914 Comment
  RSA0012960  Helianthus californicus I. M. Johnston 1928-9-4 11147 Los Angeles Bouquet Canyon 762 Comment
  RSA0016790  Quercus kelloggii I. M. Johnston 1917-8-24 1714 Los Angeles San Antonio Mtns; Prairie Fork, San Gabriel River Comment
  RSA0016986  Lupinus longifolius I. M. Johnston 1917-5-13 1965 Los Angeles El Monte 137 Comment
  RSA0017173  Gilia ochroleuca subsp. vivida I. M. Johnston 1917-6-20 1265 Los Angeles Baldy Lookout of USFS. 2134 Comment
  RSA0017208  Gilia ochroleuca subsp. bizonata G. R. Johnstone 1926-4-24 s.n. Los Angeles Antelope Valley, foothills S. of valley. Comment
  RSA0019986  Bromus tectorum I. M. Johnston 1917-5-6 1012 Los Angeles Evey Canyon mouth. [San Gabriel Mountains]. Comment
  RSA0021940  Ribes montigenum I. M. Johnston 1917-7-4 1415 Los Angeles Summit of Baldy. San Antonio Mountains. 3049 Comment
  RSA0030891  Gilia aurea Ivan M. Johnston 1917-5-13 977 Los Angeles San Gabriel Wash. 152 Comment
  RSA0034814  Salix laevigata Ivan M. Johnston 2017-5-13 1903 Los Angeles El Monte 122 Comment
  RSA0034826  Salix hindsiana var. leucodendroides Ivan M. Johnston 1917-4-11 s.n. Los Angeles Compton Creek near Dominguez. Comment
  RSA0036063  Populus trichocarpa I. M. Johnston 1917-3-7 1447 Los Angeles Upper San Antonio Canon [Canyon] 2286 Comment
  RSA0036064  Aster bernardinus I. M. Johnston 1917-8-23 1640 Los Angeles Prairie fork San Gabriel River. 1524 Comment
  RSA0036072  Populus fremontii I. M. Johnston 1917-8-24 1659 Los Angeles Upper part of Niorth Fork Lytle Creek 1981 Comment
  RSA0038307  Quercus wislizeni Ivan Johnston 1916-11-27 s.n. Los Angeles Mts. above Claremont. 2133 Comment
  RSA0039194  Phacelia cicutaria var. hispida G. R. Johnstone 1930-6-15 s.n. Los Angeles Indio Canyon, Ravenna. 1067 Comment
  RSA0045462  Juncus textilis I. M. Johnston 1916-11-26 s.n. Los Angeles Evey Canon[Canyon], San Antonio Mountains. 1143 Comment
  RSA0059108  Lotus micranthus Ivan M. Johnston 1917-5-6 1277 Los Angeles Evey Canon. 914 Comment
  RSA0059274  Orobanche bulbosa Ivan M. Johnston 1917-7-1 1430 Los Angeles San Antonio Mountains. Evey Canyon. 1372 Comment
  RSA0063156  Stipa pulchra Ivan M. Johnston 1917-4-11 s.n. Los Angeles Dominguez Mesa. 122 Comment
  RSA0066368  Heuchera abramsii I. M. Johnston 1917-7-4 1417 Los Angeles Summit of Baldy. Comment
  RSA0066498  Orobanche parishii subsp. parishii Ivan M. Johnston 1917-7-1 1431 Los Angeles Evey Canyon. 838 Comment
  RSA0074447  Heterotheca grandiflora George R. Johnstone 1927-10-30 s.n. Los Angeles Big Tujunga Canyon; mountain slope upper part of canyon. Comment
  RSA0074472  Heterotheca fastigiata I. M. Johnston 1917-8-21 1701 Los Angeles San Antonio Mountains: Upper San Antonio Canyon. 2134 Comment
  RSA0076150  Orobanche fasciculata Ivan M. Johnston 1917-6-15 1758 Los Angeles San Antonio Canon. 1371 Comment
  RSA0076566  Kopsiopsis strobilacea Ivan M. Johnston 1925-7-8 s.n. Los Angeles Baldy Lookout, about summit. 1767 Comment
  RSA0077922  Orobanche fasciculata Ivan M. Johnston 1917-6-20 1908 Los Angeles Camp Baldy. 1371 Comment
  RSA0079045  Cryptantha pterocarya var. pterocarya George R. Johnstone 1930-3-30 s.n. Los Angeles 3 1/2 mi W of Llano. Mojave Desert. Comment
  RSA0079159  Cryptantha muricata var. denticulata I. M. Johnston 1925-7-8 5289 Los Angeles Cow Canyon-San Antonio Canyon Divide. 1432 Comment
  RSA0080576  Pyrola dentata I. M. Johnston 1925-7-8 5305 Los Angeles Middle Fork Bear Creek along Lookout Trail. 2011 Comment
  RSA0084996  Eremogone macradenia var. arcuifolia George R. Johnstone 1930-6-22 s.n. Los Angeles Soledad Canyon near Ravenna. 762 Comment
  RSA0097067  Spergularia I. M. Johnston 1917-4-11 s.n. Los Angeles Compton Creek near Dominguez. Comment
  RSA0097891  Spergularia bocconi I. M. Johnston 1918-5-20 2006 Los Angeles Claremont (between Harwood Hall and Green House). 366 Comment
  RSA0098583  Spergularia villosa I. M. Johnston 1918-4-25 1976 Los Angeles Claremont. 366 Comment
  RSA0098590  Spergularia marina George Johnston s.n. Los Angeles Compton Creek near Domingez. Comment
  RSA0103867  Kopsiopsis strobilacea I. M. Johnston 1917-7-4 1432 Los Angeles Slopes of Little Baldy. 2895 Comment
  RSA0104250  Kopsiopsis strobilacea Ivan M. Johnston 1917-7-4 1449 Los Angeles South slope of Baldy. 2286 Comment
  RSA0104341  Eriastrum densifolium subsp. austromontanum I. M. Johnston 1917-7-28 1587 Los Angeles San Antonio Canyon. 1601 Comment
  RSA0104348  Eriastrum densifolium subsp. austromontanum I. M. Johnston 1917-7-28 1587 Los Angeles San Antonio Canyon. 1601 Comment
  RSA0122084  Eriastrum sapphirinum subsp. brevibracteatum G. R. Johnstone 1930-6-22 s.n. Los Angeles Near Ravenna; Soledad Canyon. Comment
  RSA0122094  Eriastrum sapphirinum subsp. dasyanthum G. R. Johnstone 1929-7-14 s.n. Los Angeles Griffith Park. Comment
  RSA0126428  Arabis glabra var. glabra I. M. Johnston 1917-5-6 1919 Los Angeles Evey Canyon, north of Claremont 762 Comment
  RSA0128769  Boechera californica I. M. Johnston 1918-5-12 1951 Los Angeles San Antonio Canyon (North Fork). 1737 Comment
  RSA1437  Carex phaeocephala I. M. Johnston 1917-7-4 1399 Los Angeles Summit of Baldy 3073 Comment
  RSA1568  Dudleya lanceolata I. M. Johnston 1917-6-10 1294 Los Angeles Playa del Rey. Comment
  RSA2424  Lupinus longifolius I. M. Johnston 1917-7-1 1444 Los Angeles near Brown's flat 1357 Comment
  RSA2534  Lupinus hyacinthinus I. M. Johnston 1917-6-20 1488 Los Angeles Baldy Lookout of USFS. 2134 Comment
  RSA348057  Medicago polymorpha I. M. Johnston 1917-5-20 1245 Los Angeles Claremont Comment
  RSA366004  Schoenoplectus californicus George R. Johnstone 1929-11-15 s.n. Los Angeles Pit No. 3 of La Brea Pits. Comment
  RSA366069  Schoenoplectus maritimus I. M. Johnston 1917-6-10 1318 Los Angeles Playa del Rey. Comment
  RSA366074  Schoenoplectus maritimus George R. Johnstone 1929-6-27 s.n. Los Angeles Playa del Rey Comment
  RSA368385  Juncus xiphioides Geo C. Johnstone 1927-10-30 s.n. Los Angeles upper part of Big Tujunga Canyon Comment
  RSA376626  Fritillaria biflora I. M. Johnston s.n. Los Angeles Topanga. Comment
  RSA377600  Muilla maritima George R. Johnstone 1930-6-26 14668 Los Angeles near Coldbrook, San Gabriel River above the dam 1676 Comment
  RSA381702  Epipactis gigantea George R. Johnstone 1932-10-23 16042 Los Angeles San Gabriel Mountains. Indian Canyon. Comment
  RSA381714  Epipactis gigantea George R. Johnstone 1926-7-16 s.n. Los Angeles Los Pinos Canyon above San Gabriel Canyon. Comment
  RSA384013  Phyllospadix torreyi George R. Johnston 1944-7-21 s.n. Los Angeles Palos Verdes - flat rock Pt Comment
  RSA384486  Pinus torreyana George R. Johnston 1931-9-1 s.n. Los Angeles No locality specified. Southern California Comment
  RSA393242  Eriogonum gracile var. gracile G. R. Johnstone 1930-10-19 s.n. Los Angeles Near rosemead Comment
  RSA393487  Eriogonum elongatum var. elongatum George R. Johnston 1930-9-7 s.n. Los Angeles San Gabriel Mountains: Mt. Wilson Trail 610 Comment
  RSA394753A  Cressa truxillensis G. R. Johnstone 1929-7-4 14787 Los Angeles Los Angeles Comment
  RSA400236  Ranunculus cymbalaria var. saximontanus G. R. Johnstone 1930-10-19 s.n. Los Angeles S. of Rosemead. Comment
  RSA402082  Orthocarpus purpurascens George R. Johnston 1932-4-24 15119 Los Angeles 15 mi. E of Palmdale Comment
  RSA402605  Mesembryanthemum crystallinum I. M. Johnston 1917-4-11 s.n. Los Angeles Wilmington. Comment
  RSA405689  Lathyrus vestitus var. vestitus I. M. Johnston 1930-9-7 s.n. Los Angeles Mt. Wilson trail 610 Comment
  RSA406737  Lotus argophyllus var. argophyllus I. M. Johnston 1917-6-15 1278 Los Angeles Cascade Canyon. 1372 Comment
  RSA408112  Mimulus fremontii George R. Johnston 1926-4-24 s.n. Los Angeles Antelope Valley Comment
  RSA408343  Collinsia heterophylla I. M. Johnston 1917-7-1 1750 Los Angeles Near Brown's Flat in Fern Canyon. 1280 Comment
  RSA408587  Monardella lanceolata G. R. Johnstone 1930-6-22 s.n. Los Angeles Near Ravenna; Soledad Canyon. Comment
  RSA409696  Cuscuta californica G. R. Johnstone 1930-9-7 s.n. Los Angeles Mt. Wilson Trail. 457 Comment
  RSA409731  Cuscuta ceanothi G. R. Johnstone 1930-10-19 s.n. Los Angeles Near rosemead Comment
  RSA409745  Cuscuta salina G. R. Johnstone 1929-7-12 s.n. Los Angeles Playa del Rey. Comment
  RSA409816  Marrubium vulgare I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough . [locality name change to Laguna Dominguez ] Comment
Read comments
Oct 7 2008
  RSA411739  Verbena bracteata I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  RSA411776  Ceratophyllum demersum G. R. Johnstone 1930-6-26 18300 Los Angeles near Coldbrook, San Gabriel River above the dam 1676 Comment
  RSA412296  Cordylanthus rigidus subsp. setiger G. R. Johnstone 1929-7-14 s.n. Los Angeles Chaparral at La Crescenta Comment
  RSA412434  Penstemon centranthifolius George R. Johnston 1932-4-24 15110 Los Angeles 15 mi. E of Palmdale Comment
  RSA413626  Lupinus formosus var. formosus George R. Johnston 1918-4-28 13752 Los Angeles Canyon north of Big Pine. 1524 Comment
  RSA414318  Lupinus succulentus I. M. Johnston, John P. Hill 1933-3-22 17109 Los Angeles Whites Pt San Pedro Comment
  RSA414783  Lupinus formosus var. formosus I. M. Johnston 1930-6-26 14662 Los Angeles Pine flats, above Chrystal 1829 Comment
  RSA414812  Lupinus sparsiflorus subsp. sparsiflorus George R. Johnston 1926-4-24 s.n. Los Angeles Antelope Valley Comment
  RSA415428  Astragalus coccineus G. R. Johnstone 1926-4-24 s.n Los Angeles Antelope Valley. Foothills East of Valley. Comment
  RSA416932  Ambrosia chamissonis I. M. Johnston 1917-6-10 1317 Los Angeles Playa del Rey. Comment
  RSA417274  Artemisia douglasiana George R. Johnstone 1930-9-7 s.n. Los Angeles Mt. Wilson trail. 762 Comment
  RSA417275  Artemisia douglasiana George R. Johnstone 1930-8-10 s.n. Los Angeles San Gabriel Canyon. 1524 Comment
  RSA417654  Aster subulatus var. ligulatus I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  RSA420684  Mimulus cardinalis George R. Johnston 1930-9-14 13936 Los Angeles Near Oak Hilde. Comment
  RSA421554  Eremocarpus setiger G. R. Johnstone 1929-7-30 14893 Los Angeles Alhambra, Comment
  RSA422254  Atriplex serenana George R. Johnstone 1930-10-18 s.n. Los Angeles South of Rosemead. Comment
  RSA422344  Salpichroa origanifolia G. R. Johnstone 1933-8-4 17956 Los Angeles Dr. Johnstone's hen house. Comment
  RSA423409  Chenopodium ambrosioides George R. Johnstone 1931-10-24 s.n. Los Angeles Twin Lakes. Comment
  RSA426162  Phacelia fremontii G. R. Johnstone 1926-4-24 s.n. Los Angeles Antelope Valley, foothills S. of valley. Comment
  RSA427261  Verbascum virgatum George R. Johnston 1929-6-11 14887 Los Angeles Alhambra. Comment
  RSA427414  Solanum umbelliferum George R. Johnston 1929-5-19 14934 Los Angeles Puerco Canon. Malibu estate 3 or 4 mi from ocean. Comment
  RSA427439  Solanum umbelliferum Geo. C. Johnstone 1928-4-8 s.n. Los Angeles N of Big Pines. Comment
  RSA428100  Phacelia austromontana I. M. Johnston 1932-6-10 15494 Los Angeles Above Manker Flats on N slope, just beyond saddle near Sierra Club cabin Comment
  RSA428127  Phacelia hastata var. hastata I. M. Johnston 1918-7-6 2092 Los Angeles Prairie Fork of San Gabriel River. 2058 Comment
  RSA428278A  Phacelia ramosissima var. latifolia G. R. Johnstone 1930-6-22 s.n. Los Angeles Ravenna. Comment
  RSA428305A  Phacelia brachyloba George C. Johnston 1927-10-30 s.n. Los Angeles Upper part of Big Tujunga Canyon. Comment
  RSA429556  Caulanthus amplexicaulis var. amplexicaulis George R. Johnstone 1930-6-26 15897 Los Angeles Above Coldbrook and San Gabriel Canyons. 1524 Comment
  RSA433675  Eschscholzia californica G. R. Johnstone 1930-4-6 s.n. Los Angeles Pine Canyon. Comment
  RSA435973  Chamaesyce albomarginata G. R. Johnstone 1928-4-28 s.n. Los Angeles Two mi. E. of Palmdale. Comment
  RSA438626  Suaeda moquinii George R. Johnstone 1929-6-12 14885 Los Angeles Jefferson Avenue near Culver city Comment
  RSA439549  Opuntia prolifera G. R. Johnstone 1931-5-10 s.n. Los Angeles Highland Ave. Comment
  RSA440461  Mentzelia laevicaulis G. R. Johnstone 1930-8-10 s.n. Los Angeles San Gabriel Canyon. 457 Comment
  RSA442696  Mimulus aurantiacus var. puniceus George R. Johnston 1929-7-21 s.n. Los Angeles Catalina Island. Comment
  RSA445701  Platystemon californicus G. R. Johnstone 1928-4-28 13787 Los Angeles Two mi. E. of Palmdale. Comment
  RSA445739  Platystemon californicus var. crinitus G. R. Johnstone 1926-4-24 s.n. Los Angeles Antelope Valley, foothills S. of valley. Comment
  RSA447119  Trichostema lanceolatum G. R. Johnstone 1933-10-26 18121 Los Angeles Los Angeles. Cor[ner] Madison and Marithon [Marathon] Streets. Comment
  RSA448672  Castilleja applegatei subsp. martinii George R. Johnston 1930-6-26 14663 Los Angeles Pine Flats. 1829 Comment
  RSA448680  Castilleja applegatei subsp. martinii George R. Johnston 1930-9-14 14628 Los Angeles Edison Road above Dark Canyon. 762 Comment
  RSA452084  Lomatium dasycarpum subsp. dasycarpum George R. Johnston 1931-5-3 s.n. Los Angeles Santa Susana Mountains, Pico Canon. Comment
  RSA452709  Atriplex californica George R. Johnstone 1926-9-5 s.n. Los Angeles San Clemente Island. Comment
  RSA460977  Abronia umbellata I. M. Johnston 1917-6-10 1316 Los Angeles Playa del Rey. Comment
  RSA464662  Mirabilis laevis var. retrorsa G. R. Johnstone 1928-4-28 s.n. Los Angeles Two mi. E. of Palmdale. Comment
  RSA465679  Camissonia bistorta I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough . [locality name change to Laguna Dominguez ] Comment
  RSA466156  Camissonia californica G. R. Johnstone 1930-9-14 s.n. Los Angeles San Gabriel Mountains. Edison Road above Dark Canyon. Comment
  RSA470403  Apium graveolens I. M. Johnston 1917-4-11 s.n. Los Angeles Compton Creek near Dominguez. Comment
  RSA470436  Aralia californica George R. Johnstone 1930-9-14 s.n. Los Angeles Edison Rd. above Dark Canyon Calif. San Gabriel Mts. 762 Comment
  RSA472889  Senecio californicus I. M. Johnston 1917-3-29 1250 Los Angeles Above Claremont. Comment
  RSA478287  Atriplex lentiformis subsp. breweri I. M. Johnston 1917-6-10 1900 Los Angeles Playa Del Rey Comment
  RSA478475  Chenopodium californicum George R. Johnstone 1930-4-7 s.n. Los Angeles San Francisquito Canon, public camp grounds. Comment
  RSA498707  Lotus strigosus var. strigosus I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough. [locality name change to Laguna Dominguez] Comment
  RSA498782  Lotus oblongifolius I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 91 Comment
  RSA499260  Purshia tridentata var. glandulosa G. R. Johnstone 1930-3-30 s.n. Los Angeles 3 1/2 miles from Llano. Mojave Desert. Comment
  RSA499950  Amsinckia intermedia I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough . [locality name change to Laguna Dominguez ] Comment
  RSA530265  Erysimum capitatum var. capitatum George R. Johnstone 1928-4-28 15038 Los Angeles Two mi. E. of Palmdale. Comment
  RSA568546  Lotus unifoliolatus G. R. Johnstone 1929-6-11 14915 Los Angeles Alhambra Comment
  RSA657443  Datura wrightii I. M. Johnston 1980-6-1 29 Los Angeles Verdugo Mountains Region: Burbank side road off Sunset Canyon. Feet. Comment
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Aug 10 2012
  RSA689899  Polypodium californicum I. M. Johnston, Clare De Forest 1925-5-16 s.n. Los Angeles Hollywood Mountain Comment
  RSA689959  Polypodium californicum Johnstone 1937-06 s.n. Los Angeles Angeles Crest Highway. Comment
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Jan 11 2007
  RSA9796  Arctostaphylos glauca I. M. Johnston 1917-1-28 40 Los Angeles north of San Antonio Canyon Comment
  SEINET12045051  Asparagus officinalis I. Johnston 1917-1 s.n. Los Angeles El Monte 275 Comment
  SEINET3928066  Senecio triangularis I. M. Johnston 1917-8-22 1679 Los Angeles Prairie 7k of San Gabriel.; 0 2134 Comment
  SEINET952183  Glycyrrhiza lepidota E. M. Johnstone 1915-1 W- 119 Los Angeles Los Banos Comment
  UC1714527  Crepis acuminata I. M. Johnston 1918-7-6 2083 Los Angeles Pine Mt. Ridge San Antonio Mountains (lee-side of ridge crest) 2438 Comment
  UC1714625  Fagopyrum esculentum I. M. Johnston 1918-7-29 2109 Los Angeles La Verne 304 Comment
  UC205022  Dudleya lanceolata I. M. Johnston 1917-6-20 1367 Los Angeles San Antonio Canyon at 7 Oaks San Antonio Mtns 975 Comment
  UC212047  Carex multicaulis I. Johnston 1917-7-4 1426 Los Angeles Bear Canyon San Antonio Mts. 1676 Comment
  UC212125  Carex subfusca I. M. Johnston 1917-8-23 1636 Los Angeles Pine Mt. San Antonio Mountains 2438 Comment
  UC212767  Juncus macrophyllus Ivan Johnston 1916-10-15 Los Angeles Evy Canyon; stream Comment
  UC212798  Carex alma I. Johnston 1917-7-4 1425 Los Angeles Bear Flats San Antonio Mountains 1752 Comment
  UC213229  Chamaesyce melanadenia I. M. Johnston 1917-5-30 1806 Los Angeles mouth Live Oak Canyon; San Antonio Mtns 457 Comment
  UC217019  Atriplex californica I. Johnston 1917-6-10 1270 Los Angeles Playa del Rey Playa del Rey (sandy cliffs along shore, Southern California) Comment
  UC219138  Cordylanthus rigidus subsp. setiger I. M. Johnston 1917-8-23 1675 Los Angeles Prairie Flat of San Gabriel River San Antonio Mountains 1371 Comment
  UC303465  Kopsiopsis strobilacea I. Johnston 1917-7-4 1432 Los Angeles Mt. San Antonio, near summit of Baldy. 2895 Comment
  UC303528  Amblyopappus pusillus I. Johnston 1271 Los Angeles at foot of cliffs Playa del Rey Comment
  UC303692  Solanum umbelliferum I. Johnston 1917-5-1 1024 Los Angeles San Gabriel Wash 152 Comment
  UC303733  Leptodactylon pungens I. Johnston 1917-7-4 1418 Los Angeles summit Baldy (Southern California); summit of Baldy 3048 Comment
  UC303939  Eleocharis radicans I. Johnston 1916-12-29 26 Los Angeles Claremont, swamp just S of town Comment
  UC303945  Cyperus esculentus I. M. Johnston 1918-7-29 2108 Los Angeles Covina 152 Comment
  UC303949  Cyperus niger I. Johnston 1916-11-21 20 Los Angeles swamp at the Old Orchard San Antonio Canyon 914 Comment
  UC303955  Arceuthobium campylopodum I. M. Johnston 1917-8-21 1688 Los Angeles Coldwater fork of the Creek San Antonio Mtns 2286 Comment
  UC303987  Ambrosia chamissonis I. Johnston 1917-6-10 1317 Los Angeles common in sand Playa del Rey Comment
  UC306108  Eleocharis parishii I. M. Johnston 1917-7-23 1631 Los Angeles Prairie Fork of the San Antonio River Comment
  UC306159  Scirpus maritimus I. Johnston 1917-6-10 1318 Los Angeles Playa del Rey Playa del Rey (Southern California) Comment
  UC306176  Layia glandulosa I. Johnston 976 Los Angeles San Gabriel 152 Comment
  UC306443  Madia gracilis I. Johnston July 1917 1438 Los Angeles Evy Canyon Comment
  UC397178  Trifolium fucatum I. M. Johnston 1918-5-5 1895 Los Angeles Trunbull Canyon Puente Hills 365 Comment
  UC397185  Trifolium wormskioldii I. Johnston 1917-5-13 27 F Los Angeles El Marte San Gabriel Valley floor 121 Comment
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Mar 2 2011
  UC397191  Trifolium wormskioldii I. Johnston 1917-5-30 1276 Los Angeles s Ontario (China Creek) 152 Comment
  UC465919  Amaranthus deflexus I. M. Johnston 1918-8-4 2115 Los Angeles S. Park Ave., Pomona Pomona Comment
  UC841027  Scirpus maritimus I. Johnston 1917-6-10 1318 Los Angeles Playa del Rey Playa del Rey (Salt Marsh, Southern California) Comment
  UC842318  Juncus bufonius I. Johnston 1917-6-13 1347 Los Angeles w of Pomona Comment
  UC859903  Drymocallis glandulosa I. M. Johnston 1918-4-28 1894 Los Angeles Trumbull Canyon Puente Hills, Trumbull Canyon (Southern California) 365 Comment
  UC865583  Medicago polymorpha I. Johnston 1917-5-20 1245 Los Angeles above Claremont; Johnson's Pasture Comment
  UC866775  Trifolium fucatum I. M. Johnston 1918-5-5 1895 Los Angeles Trumbull Canyon Puente Hills 365 Comment
  UC879374  Convolvulus arvensis I. M. Johnston 1918-5-19 2000 Los Angeles near Pomona 304 Comment
  UCD128776  Ambrosia chamissonis I. Johnston 1917-6-10 1317 Los Angeles Playa del Rey. Comment
  UCSB7594  Leptosiphon aureus subsp. aureus Johnston, J. 1917-5-13 Los Angeles San Gabriel Mts. 152 Comment



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