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CCH1:
Featuring California vascular plant data from the Consortium of California Herbaria and other sources
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Search Results
— 1582 specimen records retrieved (1254 records with coordinates)
Results for search: County=LOS ANGELES; Source=All; Collector=Johnston; Map/download results: BerkeleyMapper with layers and yellow flags |
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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/cch_archive/). | |
| Records are made available under the CCH Data Use Terms. |
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Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ... |
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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 |
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| 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 Read comments 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 Read comments 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 Read comments 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 Read comments 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 Read comments 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 Read comments 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 Read comments 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 Read comments 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 Read comments Nov 8 2011 |
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| 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 Read comments Apr 11 2021 |
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| 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 Read comments Jan 13 2015 |
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| 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 Read comments Jun 4 2009 |
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| 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 Read comments Mar 28 2014 |
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| 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 Read comments Jun 23 2015 |
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| 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 Read comments Nov 25 2011 |
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| RSA408039 | Penstemon grinnellii subsp. grinnellii | G. R. Johnstone | 1931-5-17 | s.n. | Los Angeles | Big Rock Creek Canyon. | Comment Read comments Jun 10 2012 |
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| 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 Read comments 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 Read comments 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 Read comments 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 Read comments 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  |
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 Read comments 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 Read comments Nov 23 2013 |
||
| UC1601948 | Dudleya cymosa subsp. pumila | I. M. Johnston | 1917-6-15 | 1289 | Los Angeles | Ontario Peak, San Antonio Mtns | 1828 | Comment Read comments 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 Read comments 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 |
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 |
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 |
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 Read comments Feb 20 2017 |
||
| UC306208 | Amsinckia menziesii var. menziesii | I. M. Johnston | 1918-4-11 | 1834 | Los Angeles | Lone Hill south of Glendora | 365 | Comment Read comments 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 Read comments Jul 17 2009 |
||
| UC306215 | Amsinckia intermedia | I. Johnston | 1918-4-11 | 1833 | Los Angeles | s of Glendora; Love Hill | Comment Read comments 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 Read comments 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 Read comments 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 Read comments Sep 11 2007 |
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| 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 Read comments 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 Read comments 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 Read comments 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 Read comments Aug 10 2012 |
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| 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 Read comments Jan 11 2007 |
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| 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 Read comments Mar 2 2011 |
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| 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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