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Search Results
— 2000 specimen records retrieved (1111 records with coordinates) (That's the default maximum. Contact Jason Alexander for larger data requests.) Results for search: Source=All; Collector=Peirson; 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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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 | |
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CAS-BOT-BC230097 | Luzula orestera | Frank W. Peirson | s.n. | Inyo | Meadows south of Long Lake, Rock Creek Basin | 3291 | Comment | |||
CAS-BOT-BC339413 | Lessingia glandulifera var. glandulifera | Peirson | No date on label | 5099 | San Bernardino | Cajon Pass at road to Phelan. San Gabriel Mts. | Comment | |||
POM15991 | Sibbaldia procumbens | F. W. Peirson | 3492 | San Bernardino | Foxesee Creek. | 2744 | Comment | |||
RSA65491 | Spergula arvensis | F. W. Peirson | 1869 | Los Angeles | Devil's Gate, Arroyo Seco | Comment | ||||
RSA66184 | Eriogonum molestum | F. W. Peirson | 1741 | San Bernardino | San Bernardino Mountains. | Comment | ||||
RSA68752 | Limonium californicum | F. W. Peirson | 850 | Los Angeles | Long Beach. | Comment | ||||
RSA69330A | Rhododendron occidentale var. californicum | F. W. Peirson | 843 | Riverside | Fruiting specimen from San Jacinto Mtns. | Comment | ||||
RSA72084 | Phlox gracilis | F. W. Peirson | s.n. | Los Angeles | Devil's Gate, Arroyo Seco | Comment | ||||
RSA66597 | Rorippa curvisiliqua | F. W. Peirson | 1906 | Los Angeles | Playa del Rey. | Comment | ||||
RSA69964 | Abronia umbellata | F. W. Peirson | 1843 | Los Angeles | Long Beach | Comment | ||||
RSA79757 | Penstemon laetus var. laetus | F. W. Peirson | 1111 | Tulare | Tule River, Sierra Nevada. | Comment | ||||
RSA79857 | Penstemon speciosus | F. W. Peirson | 8496 | Inyo | Trail from South Lake to Green Lake, Bishop Creek. | 3262 | Comment | |||
RSA82277 | Castilleja foliolosa | F. W. Peirson | 208 | Los Angeles | Foothills near Millard's Canyon, San Gabriel Mountains. | Comment | ||||
RSA84279 | Ranunculus alismifolius var. alismellus | F. W. Peirson | 1876 | Tulare | Sequoia National Park, Sierra Nevada. | Comment | ||||
RSA90047 | Lotus argophyllus var. argophyllus | F. W. Peirson | 95 | Los Angeles | summit of Mt. Wilson | Comment | ||||
RSA92417 | Coreopsis bigelovii | F. W. Peirson | s.n. | Los Angeles | Benedicts Canyon, Santa Monica Mts | Comment | ||||
RSA94189 | Hemizonia fasciculata | F. W. Peirson | s.n. | Los Angeles | Playa del Rey. | Comment | ||||
RSA97463 | Perideridia parishii subsp. latifolia | F. W. Peirson | 817 | Los Angeles | Laurel Canyon, Santa Monica Mts. | Comment | ||||
RSA65343 | Atriplex truncata | F. W. Peirson | 1904-8-22 | 1819 | Los Angeles | Playa del Rey, coast of Los Angeles Co. | Comment | |||
RSA74922 | Phacelia imbricata subsp. imbricata | F. W. Peirson | 1905-5-28 | 974 | Los Angeles | Rubio Wash above New York Ave., Pasadena | 366 | Comment | ||
RSA65446A | Lewisia rediviva | F. W. Peirson | 1905-7-14 | 37 | Los Angeles | South of summit of Mt. San Antonio, San Gabriel Mountains | Comment | |||
RSA94677 | Senecio mikanioides | F. W. Peirson | 1906-7-10 | 1434 | Los Angeles | Rustic Canyon, Santa Monica Mountains | Comment | |||
RSA82522 | Limosella acaulis | F. W. Peirson | 1906-8-14 | 857 | San Bernardino | Bluff Lake, San Bernardino Mountains. | Comment | |||
POM9911 | Limosella acaulis | F. W. Peirson | 1906-8-14 | 857 | San Bernardino | Bluff Lake, San Bernardino Mountains. | 2439 | Comment | ||
RSA87408 | Lupinus confertus | F. W. Peirson | 1906-8-15 | 546 | San Bernardino | Bluff Lake, San Bernardino Mountains. | 2287 | Comment | ||
RSA91227 | Lupinus elatus | F. W. Peirson | 1906-8-15 | 546 | San Bernardino | Bluff Lake, San Bernardino Mountains. | 2287 | Comment | ||
RSA65915 | Eriogonum kennedyi var. alpigenum | F. W. Peirson | 1906-8-19 | 1753 | San Bernardino | Summit of San Gorgonio Peak | 3491 | Comment | ||
RSA85062 | Adenostoma sparsifolium | F. W. Peirson | 1907-04 | 693 | Riverside | road below Strawberry valley. | Comment | |||
RSA79452 | Scrophularia villosa | F. W. Peirson | 1907-7-1 | s.n. | Los Angeles | Catalina Island. | Comment | |||
RSA94544 | Packera ionophylla | F. W. Peirson | 1907-7-9 | 1591 | Los Angeles | Pine Flats at the headwaters of the Tujunga | 1677 | Comment | ||
RSA71113 | Convolvulus simulans | F. W. Peirson | 1908-4-18 | 4253 | Los Angeles | Point Fermin | Comment | |||
RSA71887 | Gilia capitata subsp. abrotanifolia | F. W. Peirson | 1908-7-9 | 929 | Tulare | Tule River | Comment | |||
RSA74776 | Phacelia purpusii | F. W. Peirson | 1908-7-9 | 977 | Tulare | Tule River. | Comment | |||
RSA85788 | Ivesia unguiculata | F. W. Peirson | 1908-7-10 | 1960 | Tulare | Tule River. | Comment | |||
RSA70129 | Brodiaea coronaria | F. W. Peirson | 1908-7-10 | 1660 | Tulare | Tule River. | Comment | |||
RSA90408 | Lotus oblongifolius var. cupreus | F. W. Peirson | 1908-7-10 | 2007 | Tulare | Tule River. | Comment | |||
RSA71883 | Gilia leptantha subsp. purpusii | F. W. Peirson | 1908-7-11 | 127 | Kern | Little Kern River, Southern Sierra Nevada. | Comment | |||
RSA66067 | Rorippa curvisiliqua | F. W. Peirson | 1908-7-12 | 1908 | Kern | Lower Kern River, Sierrra Nevada. | Comment | |||
RSA72209 | Oenothera xylocarpa | F. W. Peirson | 1908-7-13 | 783 | Tulare | Volcano Creek, Sierra Nevada. | Comment | |||
RSA87236 | Lupinus culbertsonii subsp. hypolasius | F. W. Peirson | 1908-7-13 | 527 | Tulare | Volcano Creek, Sierra Nevada. | Comment | |||
RSA93968 | Pyrrocoma apargioides | F. W. Peirson | 1908-7-13 | 1236 | Tulare | Volcano Creek, Sierra Nevada. | Comment | |||
RSA92614 | Salix arctica | F. W. Peirson | 1908-7-16 | 718 a | Tulare | Rock Creek Cirque. | Comment Read comments Mar 1 2013 |
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RSA69399 | Thalictrum sparsiflorum | F. W. Peirson | 1908-7-17 | 644 | Tulare | Crabtree Meadows, Sierra Nevada | 3149 | Comment | ||
RSA0080479 | Pyrola dentata | F. W. Peirson | 1908-7-19 | 826 | Tulare | Upper Kern River Canyon. | Comment | |||
RSA73671 | Leptosiphon pachyphyllus | F. W. Peirson | 1908-7-23 | 941 | Inyo | Coyote Pass, Sierra Nevada | Comment | |||
RSA83968 | Saxifraga nidifica | F. W. Peirson | 1908-7-23 | 1938 | Tulare | Sequoia National Park. Sierra Nevada. | Comment | |||
RSA90219 | Astragalus bolanderi | F. W. Peirson | 1908-7-23 | 4142 | Tulare | South Fork of Kaweah River | Comment | |||
RSA83442 | Lycopus americanus | F. W. Peirson | 1908-9-2 | 1075 | Los Angeles | Banks of Rio Hondo, El Monte. | Comment | |||
RSA97447 | Phoradendron pauciflorum | F. W. Peirson | 1909-08 | 1718 | San Bernardino | on Abies concolor; South Fork of Santa Ana River. | Comment | |||
CAS-BOT-BC217404 | Gentiana fremontii | Frank W. Peirson | 1909-8-10 | 869 | San Bernardino | South Fork Santa Ana, San Bernardino Mountains | 2438 | Comment | ||
RSA79790 | Cryptantha confertiflora | F. W. Peirson | 1910-7-20 | 1034 | Mono | Near Mono Lake. | 2134 | Comment | ||
RSA0011821 | Shepherdia argentea | F. W. Peirson | 1910-7-21 | 2078 | Mono | Along stream near Farrington's, Mono Valley. | Comment | |||
RSA84427 | Aquilegia pubescens | F. W. Peirson | 1910-7-26 | 631 | Tuolumne | Mt. Dana, Seirra Nevada. | Comment | |||
RSA90442 | Astragalus kentrophyta var. danaus | F. W. Peirson | 1910-7-26 | 595 | Tuolumne | Mt. Dana, Seirra nevada, Tuolumne Co. California | Comment | |||
RSA92269 | Calycadenia mollis | F. W. Peirson | 1910-8-12 | 1349 | Tuolumne | Near Hogdon Ranch | 1418 | Comment | ||
RSA65791 | Cleomella obtusifolia | F. W. Peirson | 1911-1 | 1921 | Inyo | Owens Valley. | Comment | |||
RSA92187 | Lagophylla congesta | F. W. Peirson | 1911-1 | 1357 | Unknown | Sierra Nevada. | Comment | |||
RSA79455 | Scrophularia californica | F. W. Peirson | 1911-04 | 191 | Los Angeles | Laurel Canyon. | Comment | |||
RSA69718 | Mentzelia crocea | F. W. Peirson | 1911-7-29 | s.n. | Fresno | Trail to Summit Meadow, Sierra Nevada. [county not specified] | Comment Read comments Dec 18 2015 |
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RSA83948 | Saxifraga tolmiei | F. W. Peirson | 1911-8-3 | 1944 | Fresno | Rae Lake, Sierra Nevada. | 3232 | Comment | ||
RSA65576 | Minuartia nuttallii subsp. gracilis | F. W. Peirson | 1911-8-8 | 624 | Inyo | Cottonwood Creek, Sierra Nevada. | Comment | |||
RSA73113 | Navarretia breweri | F. W. Peirson | 1911-8-8 | 927 | Inyo | In vicinity of Horseshoe Meadow, Cottonwood Creek, east side of Sierra Nevada | Comment | |||
RSA77803 | Hackelia sharsmithii | F. W. Peirson | 1911-8-8 | 1010 | Inyo | In vicinity of Horseshoe Meadow, Cottonwood Creek, east side of Sierra Nevada | Comment | |||
RSA80043 | Castilleja praeterita | F. W. Peirson | 1911-8-8 | s.n. | Tulare | Cottonwood Pass, Sierra Nevada. | Comment | |||
RSA79755 | Penstemon deustus subsp. deustus | F. W. Peirson | 1912-1 | 1118 | Santa Cruz | Santa Cruz Mtns. | Comment Read comments Apr 25 2016 |
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RSA65854 | Polygonum paronychia | F. W. Peirson | 1912-6-27 | 1794 | Monterey | Monterey. | Comment | |||
RSA72259 | Camissonia cheiranthifolia subsp. cheiranthifolia | F. W. Peirson | 1912-6-27 | 788 | Monterey | Monterey coast | Comment | |||
RSA66488 | Eschscholzia californica subsp. californica | F. W. Peirson | 1912-6-28 | 1887 | Santa Cruz | Santa Cruz. | Comment | |||
RSA77707 | Ceanothus papillosus | F. W. Peirson | 1912-6-28 | 737 | Santa Cruz | Santa Cruz Mts | Comment | |||
RSA92886 | Populus fremontii subsp. fremontii | F. W. Peirson | 1912-6-28 | s.n. | Santa Cruz | Santa Cruz. | Comment | |||
RSA77748 | Viola ocellata | F. W. Peirson | 1912-6-29 | 743 | Santa Cruz | Santa Cruz Mts. | Comment | |||
RSA85458 | Vancouveria planipetala | F. W. Peirson | 1912-6-29 | 1882 | Santa Cruz | Santa Cruz Mts. | Comment | |||
RSA68805 | Delphinium nudicaule | F. W. Peirson | 1912-6-29 | 634 | Santa Cruz | State Park, Santa Cruz Mts | Comment | |||
RSA71930 | Collomia diversifolia | F. W. Peirson | 1912-07 | 914 | Marin | Mt. Tamalpais | Comment | |||
RSA73144 | Navarretia mellita | Mabel Peirson | 1912-07 | s.n. | Marin | Mt. Tamalpais | Comment | |||
RSA94494 | Arnica discoidea | Mabel Peirson | 1912-07 | 1418 | Marin | Mt. Tamalpais | Comment | |||
RSA0101658 | Botrychium simplex var. compositum | F. W. Peirson | 1913-1 | 1517 | Inyo | Big Pine Creek, Sierra Nevada. | 3398 | Comment | ||
RSA0020504 | Draba lemmonii | F. W. Peirson | 1913-8-11 | 655 | Fresno | Bubbs Creek, Sierra Nevada. | Comment | |||
RSA77882 | Tiquilia nuttallii | F. W. Peirson | 1913-8-22 | 993 | Inyo | Taboose Pass, Sierra Nevada. | Comment | |||
RSA64760 | Eriogonum thurberi | F. W. Peirson | 1914-04 | 1738 | Riverside | Whitewater at head of Coachella Valley. | Comment | |||
RSA66743 | Eschscholzia minutiflora | F. W. Peirson | 1914-04 | 1886 | Riverside | Whitewater, Nw corner of Colorado Desert, River Co. | Comment | |||
RSA77839 | Larrea tridentata | F. W. Peirson | 1914-04 | 2027 | Riverside | Whitewater, Colorado Desert. | Comment | |||
RSA77890 | Tiquilia plicata | F. W. Peirson | 1914-04 | 992 a | Riverside | Whitewater east of Beaumont. | Comment | |||
RSA93957 | Hymenoclea salsola | F. W. Peirson | 1914-04 | 2494 | Riverside | Whitewater at head of Coachella Valley. | Comment | |||
RSA69602 | Sagittaria latifolia | F. W. Peirson | 1914-4-27 | 1545 | Inyo | Bishop. | Comment | |||
RSA0074798 | Sedum obtusatum | F. W. Peirson | 1914-08 | 1928 | Unknown | [County: see notes field.] Piute Creek, Sierra Nevada. | Comment | |||
RSA69454 | Juncus saximontanus | F. W. Peirson | 1914-08 | 1641 | Fresno | Soth Fork of San Joaquin River. | Comment | |||
CAS-BOT-BC181168 | Minuartia rubella | Frank W. Peirson | 1914-8-3 | 625 | Inyo | S. Fk. Big Pine Creek | 2590 | Comment | ||
RSA79770 | Cryptantha confertiflora | F. W. Peirson | 1914-8-3 | 996 | Inyo | Big Pine Creek, Owens Valley. | 2668 | Comment | ||
RSA84976 | Potamogeton gramineus | F. W. Peirson | 1914-8-9 | 1538 | Fresno | Florence Lake, Sierra Nevada. | Comment | |||
RSA77802 | Hackelia mundula | F. W. Peirson | 1914-8-13 | 1007 | Fresno | Fish Creek, San Joaquin Tributary, Sierra Nevada | Comment | |||
RSA71853 | Collomia linearis | F. W. Peirson | 1914-8-14 | 4194 | Madera | Devil's Post Pile | 2287 | Comment | ||
RSA0013780 | Nuphar lutea subsp. polysepala | F. W. Peirson | 1914-8-15 | 1881 | Madera | Devils Post Pile, Sierra Nevada | 2317 | Comment | ||
RSA88864 | Carex raynoldsii | F. W. Peirson | 1914-8-15 | 1622 | Madera | Devils Post Pile. Sierra Nevada. | 2332 | Comment | ||
RSA92105 | Cyperus squarrosus | F. W. Peirson | 1914-8-15 | 1610 | Madera | Devils Post Pile. Sierra Nevada. | 2332 | Comment | ||
RSA93043 | Erigeron peregrinus subsp. callianthemus | F. W. Peirson | 1914-8-15 | 1293 | Madera | Devils Post Pile. Sierra Nevada. | 2332 | Comment | ||
RSA72347 | Epilobium canum subsp. latifolium | F. W. Peirson | 1914-8-18 | 756 | Madera | Shadow Lake, north of Devil s Post Pile, Sierra Nevada. | 2744 | Comment | ||
RSA0011238 | Vicia americana subsp. americana | F. W. Peirson | 1914-8-25 | 2013 | Mono | Crooked Creek, upper part of Volcanic Tableland. | 2043 | Comment | ||
RSA65912 | Eriogonum nidularium | F. W. Peirson | 1914-8-26 | 1742 | Mono | Volcanic Tableland east of Long Valley | Comment | |||
RSA75364 | Camissonia boothii subsp. desertorum | F. W. Peirson | 1914-8-26 | 794 | Mono | Volcanic Tableland, Owens Valley | Comment | |||
RSA68620 | Calochortus weedii | Frank W. Peirson | 1915-6-27 | 1663 | San Diego | Torrey Pines near La Jolla. | Comment | |||
RSA87043 | Lupinus arizonicus | F. W. Peirson | 1916-04 | 542 | Riverside | Region of Palm Springs. | Comment | |||
RSA83939 | Ranunculus uncinatus var. parviflorus | F. W. Peirson | 1916-7-4 | 1873 | San Bernardino | Green Valley, San Bernardino Mts, alt 6750ft. | 2058 | Comment | ||
RSA72114 | Epilobium brachycarpum | F. W. Peirson | 1916-7-6 | 2267 | San Bernardino | Bear Lake; San Bernardino Mountains. | 2058 | Comment | ||
RSA74504 | Phacelia mohavensis | F. W. Peirson | 1916-7-6 | 961 | San Bernardino | Bear Lake. San Bernardino Mts. | Comment | |||
RSA68965 | Plantago purshii var. oblonga | F. W. Peirson | 1916-7-8 | 1180 | San Bernardino | Near western end of Baldwin Lake. San Bernardino Mts | Comment | |||
RSA71007 | Cuscuta denticulata | F. W. Peirson | 1916-7-8 | 897 | San Bernardino | BoxS Springs near north base of San Bernardino Mtns. | 1082 | Comment | ||
RSA77883 | Tiquilia nuttallii | F. W. Peirson | 1916-7-8 | 993 a | San Bernardino | Cushenbury Springs, north base of San Bernardino Mountains. | Comment | |||
RSA82187 | Salazaria mexicana | F. W. Peirson | 1916-7-8 | 498 | San Bernardino | Cushenbury Springs, north base of San Bernardino Mountains. | Comment | |||
RSA72145 | Gayophytum eriospermum | F. W. Peirson | 1916-08 | 797 | Tulare | Tule River. | Comment | |||
RSA94401 | Orochaenactis thysanocarpha | F. W. Peirson | 1916-8-14 | 1394 | Tulare | Lloyds Meadow. | 1677 | Comment | ||
RSA77485 | Ceanothus pinetorum | F. W. Peirson | 1916-8-16 | 736 | Tulare | Upper Kern River | Comment | |||
RSA90656 | Chrysothamnus viscidiflorus subsp. viscidiflorus | F. W. Peirson | 1916-8-16 | 4049 | Tulare | Kern Lakes, Sierra Nevada | Comment | |||
RSA72342 | Epilobium canum subsp. latifolium | F. W. Peirson | 1916-8-22 | 757 | Tulare | Big Arroyo, Sierra Nevada | 2439 | Comment | ||
RSA85765 | Potentilla breweri var. breweri | F. W. Peirson | 1916-8-25 | 1970 | Tulare | Silver Lake, Little Kern Tributary, Sierra Nevada. | 3201 | Comment | ||
RSA66346 | Eriogonum nudum var. scapigerum | F. W. Peirson | 1916-8-25 | 1756 -a | Unknown | Silver Lake. Sierra Nevada. | 3201 | Comment Read comments Feb 6 2013 |
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RSA91488 | Eriophorum crinigerum | F. W. Peirson | 1916-8-25 | 1615 | Tulare | Silver Lake, Little Kern River tributary, Sierra Nevada. | 3201 | Comment | ||
RSA97467 | Oreonana clementis | F. W. Peirson | 1916-8-25 | 8604 | Tulare | Silver Lake, tributary to Little Kern river, Sierra Nevada | 3201 | Comment | ||
RSA79589 | Plagiobothrys torreyi | F. W. Peirson | 1916-8-27 | 2736 | Tulare | Trail north from Quinn s Horsecamp | 2591 | Comment | ||
JEPS54868 | Caesalpinia virgata | Frank W. Peirson | 1917-1 | 2 | Inyo | Independence | Comment | |||
RSA95320 | Sphaeralcea ambigua subsp. ambigua | F. W. Peirson | 1917-4-1 | 2065 | Riverside | Andreas Canyon near Palm Springs. | Comment | |||
RSA69418 | Eustoma exaltatum | F. W. Peirson | 1917-5-1 | 880 | Los Angeles | Topanga Canyon, Santa Monica Mountains. | Comment | |||
RSA67358 | Lepidium flavum | F. W. Peirson | 1917-5-13 | 676 | San Bernardino | Mojave Desert. | Comment | |||
RSA77048 | Sphaeralcea emoryi subsp. variabilis | F. W. Peirson | 1917-5-13 | 776 | Los Angeles | Palmdale, SW Mojave Desert. | Comment | |||
RSA73005 | Linanthus aureus | F. W. Peirson | 1917-5-13 | 947 | Los Angeles | West of Little Rock. | Comment | |||
RSA0074823 | Sedum obtusatum | F. W. Peirson | 1917-8-2 | 1927 | Fresno | Grouse Meadows, Sierra Nevada, Kings Canyon National Park. | 2515 | Comment | ||
RSA69233 | Gaultheria humifusa | F. W. Peirson | 1917-8-12 | 844 | Fresno | Grouse Meadow Middle Fork of Kings River, Sierra Nevada. | 2515 | Comment | ||
RSA0011683 | Drosera rotundifolia | F. W. Peirson | 1917-8-12 | 1936 | Fresno | Grouse Meadows, Middle Fork of Kings River. | 2515 | Comment | ||
RSA85251 | Petrophytum caespitosum subsp. acuminatum | F. W. Peirson | 1917-8-12 | 1955 | Fresno | LeConte Canyon, below Grouse Meadow, Middle Fork of Kings River | 2317 | Comment | ||
RSA90983 | Erigeron elmeri | F. W. Peirson | 1917-8-12 | 1287 | Fresno | Grouse Meadows, Middle Fork Kings River, Sierra Nevada | 2515 | Comment | ||
RSA66008 | Eriogonum rosense | F. W. Peirson | 1917-8-20 | 1752 | Inyo | Sierra Nevada: Green Lake region. Coyote Creek Promontory | 3354 | Comment | ||
RSA90430 | Oxytropis borealis var. viscida | F. W. Peirson | 1917-8-20 | 599 | Inyo | Sierra Nevada: Green Lake region. Coyote Creek Promontory | 3352 | Comment | ||
RSA92667 | Eriophyllum lanatum var. integrifolium | F. W. Peirson | 1917-8-20 | 1388 | Inyo | Region of Green Lake, tributary to the South Fork of Bishop Creek | 3354 | Comment | ||
JEPS59863 | Salsola tragus | Frank W. Peirson | 1918-1 | 7 | Riverside | e. base Mt. San Jacinto, Andreas Canyon | Comment | |||
RSA67347 | Lepidium nitidum | F. W. Peirson | 1918-03 | 2327 | Riverside | Whitewater Grade, NW corner of Colorado Desert. | Comment | |||
RSA91580 | Schoenoplectus maritimus | F. W. Peirson | 1918-03 | 1618 | Riverside | Mecca. | Comment | |||
RSA93765 | Geraea canescens | F. W. Peirson | 1918-03 | 1333 | Riverside | Irrigated field near Indio. | Comment | |||
RSA94111 | Peucephyllum schottii | F. W. Peirson | 1918-03 | 1244 | Riverside | SE side of desert embankment at Palm Springs and almost opposite Andreas Canyon. | Comment | |||
RSA92044 | Bromus hordeaceus | F. W. Peirson | 1918-04 | 4198 | Los Angeles | Altadena. | Comment | |||
RSA87063 | Hordeum brachyantherum | F. W. Peirson | 1918-4-28 | 1606 | Los Angeles | Road east and south of El Monte. | Comment | |||
RSA80191 | Plagiobothrys canescens | F. W. Peirson | 1918-4-28 | 2735 | Los Angeles | Turnbull Canyon near Whittier, Puente Hills. | Comment | |||
RSA90939 | Trifolium fucatum | F. W. Peirson | 1918-4-28 | 554 | Los Angeles | Turnbull Canyon near Whittier, Puente Hills. | Comment | |||
RSA92920 | Lasthenia californica | F. W. Peirson | 1918-4-28 | 1371 | Los Angeles | Summit of Turnbull Canyon, hills above Whittier | Comment | |||
RSA91843 | Sporobolus airoides | F. W. Peirson | 1918-5-5 | 1588 | Ventura | Roadside W of Simi | Comment | |||
JEPS55284 | Lathyrus vestitus var. vestitus | Frank W. Peirson | 1918-5-12 | 104 | Los Angeles | Arroyo Seco San Gabriel Mts. | 396 | Comment | ||
JEPS47656 | Lithophragma affine | Frank W. Peirson | 1918-5-19 | 69 | Los Angeles | Millard's Canyon; San Gabriel Mountains, Millard's Canyon | 609 | Comment | ||
JEPS60584 | Delphinium patens subsp. hepaticoideum | Frank W. Peirson | 1918-5-19 | 50 | Los Angeles | Millards Canyon | 609 | Comment | ||
RSA66788 | Thysanocarpus laciniatus | F. W. Peirson | 1918-5-19 | 59 | Los Angeles | Millard's Canyon, south base of San Gabriel Mts. | Comment | |||
UCD45456 | Quercus chrysolepis | F. W. Peirson | 1918-5-19 | 16 | Los Angeles | Echo Mountain, 3400 ft. San Gabriel Range. | 1036 | Comment | ||
RSA80465 | Mimulus guttatus | F. W. Peirson | 1918-5-19 | 197 | Los Angeles | Trail to Dawn Station above Dawn Mine, San Gabriel Mountains. | Comment | |||
GH349645 | Ceanothus integerrimus | F. W. Peirson | 1918-5-26 | 111 | Unknown | Toll Road, Mt. Wilson, San Gabriel Range | 1143 | Comment | ||
JEPS65003 | Lupinus bicolor | Frank W. Peirson | 1918-5-26 | 91 | Los Angeles | Henninger Flats San Gabriel Mts., Henninger Flats | 868 | Comment | ||
JEPS31579 | Camissoniopsis bistorta | F. W. Peirson | 1918-5-26 | 129 | Los Angeles | Henniger Flats San Gabriel Mts. | 868 | Comment | ||
JEPS31794 | Camissoniopsis hirtella | F. W. Peirson | 1918-5-26 | 128 | Los Angeles | Henniger Flats San Gabriel Mts. | 868 | Comment | ||
JEPS43186 | Claytonia parviflora subsp. parviflora | F. W. Peirson | 1918-5-27 | 35 | Los Angeles | Henninger Flats | 868 | Comment | ||
JEPS9474 | Galium angustifolium subsp. gabrielense | F. W. Peirson | 1918-5-27 | 216 | San Bernardino | San Antonio Canyon | 1371 | Comment | ||
GH345390 | Adenostoma fasciculatum | F. W. Peirson | 1918-6-1 | 78 | Unknown | Mt. Wilson Toll Road. | 609 | Comment | ||
JEPS11538 | Mimulus guttatus | Frank W. Peirson | 1918-6-1 | 198 | Los Angeles | Eaton Canyon San Gabriel Mountains | 640 | Comment | ||
JEPS44779 | Adenostoma fasciculatum | Frank W. Peirson | 1918-6-1 | 78 | Los Angeles | Mt. Wilson Toll Rd. | 609 | Comment | ||
RSA0117330 | Collinsia parryi | F. W. Peirson | 1918-6-1 | 193 | Los Angeles | Eaton Canyon, in the San Gabriel Mountains, northeast of Altadena | 915 | Comment | ||
JEPS55866 | Lotus strigosus | F. W. Peirson | 1918-6-4 | 97 | Los Angeles | e of Rubio Canyon; San Gabriel Mts. | 609 | Comment | ||
RSA90858 | Carex triquetra | F. W. Peirson | 1918-6-4 | 1635 | Los Angeles | Foothills east of Rubio Canyon | 609 | Comment | ||
JEPS520 | Allium monticola | F. W. Peirson | 1918-6-10 | 1 | Los Angeles | divide between Lowe and Markham | 1630 | Comment Read comments Oct 16 2006 |
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SBBG28949 | Lupinus elatus | F. W. Peirson | 1918-6-10 | 88 | Los Angeles | summit of San Gabriel Pk | 1859 | Comment | ||
JEPS11303 | Nuttallanthus texanus | Frank W. Peirson | 1918-6-12 | 187 | Los Angeles | San Gabriel Mountains, Foothills e of Rubio Canyon Rubio Canyon; San Gabriel Mountains | 609 | Comment | ||
RSA75129 | Nemacladus pinnatifidus | F. W. Peirson | 1918-6-12 | 219 | Los Angeles | In area recently burned over, in hills east of Rubio Canyon, San Gabriel Mts. | 548 | Comment | ||
JEPS41206 | Mentzelia montana | Frank W. Peirson | 1918-6-12 | 120 | Los Angeles | Trail at Mt. Markham San Gabriel Mts., Mt. Markhkam | 1645 | Comment | ||
JEPS6992 | Antirrhinum coulterianum | Frank W. Peirson | 1918-6-12 | 188 | Los Angeles | Rubio Canyon foothills Rubio Canyon; San Gabriel Mountains | Comment | |||
RSA82190 | Trichostema lanatum | F. W. Peirson | 1918-6-15 | 176 | Los Angeles | Mint Canyon below the Camp in the Oaks, northwest corner of San Gabriel Mts. | Comment | |||
JEPS42852 | Mentzelia laevicaulis var. laevicaulis | F. W. Peirson | 1918-6-16 | 121 | Los Angeles | San Gabriel Mts., Rock Creek | Comment | |||
RSA66814 | Stanleya pinnata var. pinnata | F. W. Peirson | 1918-6-16 | 292 | Los Angeles | Rock Creek, north slope of San Gabriel Mountains | 1448 | Comment | ||
RSA80391 | Solanum umbelliferum | F. W. Peirson | 1918-6-16 | 186 | Los Angeles | Rock Creek, north slope of San Gabriel Mountains | 1448 | Comment | ||
JEPS51475 | Arenaria macradenia | Frank W. Peirson | 1918-6-16 | 44 | Los Angeles | On the road w Acton | Comment | |||
RSA73003 | Leptosiphon aureus | F. W. Peirson | 1918-6-16 | 948 | Los Angeles | Summit of first grade up Mint Canyon, northwest base of San Gabriel Mts. | 762 | Comment | ||
RSA97442 | Phoradendron bolleanum | F. W. Peirson | 1918-6-16 | 32 | Los Angeles | West of Acton, north base of San Gabriel Mts. | 915 | Comment | ||
JEPS27006 | Caulanthus major | Frank W. Peirson | 1918-6-17 | 65 | Los Angeles | Rock Creek San Gabriel Mountains, Rock Creek | 1676 | Comment | ||
JEPS519 | Allium monticola | Frank W. Peirson | 1918-6-17 | 267 | Los Angeles | Head of Rock Cr, Rock Cr. | 1981 | Comment Read comments Oct 16 2006 |
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JEPS39860 | Rumex salicifolius var. salicifolius | F. W. Peirson | 1918-6-18 | 29 | Los Angeles | Lower Rock Creek San Gabriel Mts. | 1219 | Comment | ||
RSA95294 | Rhamnus ilicifolia | F. W. Peirson | 1918-6-18 | 287 | Los Angeles | Devils Punch Bowl, Rock Creek, north base of San Gabriel Mts. at 4000 ft. | 1220 | Comment | ||
JEPS63184 | Trichostema parishii | Frank W. Peirson | 1918-6-19 | 176 | San Bernardino | Cajon | Comment | |||
UC35485 | Amorpha californica var. californica | F. W. Peirson | 1918-6-19 | 85 | San Bernardino | Cajon Pass | Comment | |||
JEPS11596 | Penstemon spectabilis var. subviscosus | F. W. Peirson | 1918-6-30 | 206 | Los Angeles | Mt. Wilson Toll Road San Gabriel Mts, Mt. Wilson | 1295 | Comment | ||
JEPS27588 | Gayophytum heterozygum | F. W. Peirson | 1918-6-30 | 130 | Los Angeles | Mt. Wilson San Gabriel Mountains (near summit) | Comment | |||
JEPS47603 | Allium burlewii | Frank W. Peirson | 1918-7-7 | 266 | San Bernardino | Summit Ontario Ridge Ontario Ridge | 2621 | Comment | ||
JEPS52508 | Calyptridium umbellatum | Frank W. Peirson | 1918-7-7 | 34 | San Bernardino | Ontario Ridge | 2621 | Comment | ||
JEPS56308 | Eriogonum saxatile | Frank W. Peirson | 1918-7-7 | 24 | San Bernardino | Icehouse Canyon | 2286 | Comment | ||
RSA70457 | Allium burlewii | F. W. Peirson | 1918-7-7 | 266 | San Bernardino | Summit of Ontario Peak, San Gabriel Mts. | 2621 | Comment | ||
RSA87371 | Agrostis idahoensis | F. W. Peirson | 1918-7-7 | 1576 | San Bernardino | Kellly's Cabin, Ontario Ridge, San Gabriel Mountains. | 2500 | Comment | ||
SD70418 | Dudleya cymosa subsp. pumila | Frank W. Peirson | 1918-7-7 | 262 | Los Angeles | Ontario Ridge, San Gabriel Mountains. | 2590 | Comment | ||
UC530092 | Agrostis idahoensis | Frank W. Peirson | 1918-7-7 | 1576 | San Bernardino | Kellys Cabin San Gabriel Mts., =San Antonio Mts., Ontario Ridge (Ontario Ridge, San Gabriel Mts.) | 2499 | Comment | ||
JEPS53127 | Boechera platysperma | Frank W. Peirson | 1918-7-7 | 58 | Los Angeles | Ontario Ridge San Gabriel Mts. | 2438 | Comment | ||
JEPS2601 | Galium siccatum var. anotinum | Frank W. Peirson | 1918-7-8 | 215 | Los Angeles | Baldy San Gabriel Mountains, Mt. San Antonio; Mt. San Antonio (Baldy), Los Angeles Co. | 2133 | Comment | ||
JEPS2623 | Habenaria leucostachys var. virida | F. W. Peirson | 1918-7-8 | 12 | Los Angeles | San Antonio Canyon San Gabriel Mts.; San Antonio Canyon, San Gabriel Mts. | 1828 | Comment | ||
JEPS58687 | Chrysolepis sempervirens | Frank W. Peirson | 1918-7-8 | 15 | Los Angeles | Baldy (= Mt. San Antonio); San Gabriel Mts. | 2590 | Comment | ||
RSA69846 | Platanthera sparsiflora | Frank W. Peirson | 1918-7-8 | 12 | San Bernardino | San Antonio Canyon, San Gabriel Mountains, W San Bernardino [County] | 1829 | Comment | ||
JEPS51647 | Argemone rotundata | Frank W. Peirson | 1918-7-9 | 55 | Los Angeles | San Gabriel Mountains, San Antonio Canyon San Antonio Canyon; San Gabriel Mountains, San Antonio Canyon | 1981 | Comment | ||
JEPS45050 | Holodiscus discolor | Frank W. Peirson | 1918-7-13 | 75 | Los Angeles | Santa Anita Canyon, San Gabriel Mts. | 914 | Comment | ||
JEPS44911 | Prunus virginiana var. demissa | Frank W. Peirson | 1918-7-17 | 82 | Los Angeles | Rock Creek; San Gabriel Mountains, Rock Creek | 1524 | Comment | ||
JEPS11453 | Mimulus guttatus | Frank W. Peirson | 1918-8-6 | 259 | Los Angeles | old trail to Mt. Wilson; San Gabriel Mountains | 838 | Comment | ||
JEPS60559 | Clematis ligusticifolia | Frank W. Peirson | 1918-8-16 | 52 | Los Angeles | San Antonio Canyon | 1341 | Comment | ||
JEPS62952 | Stachys ajugoides var. rigida | Frank W. Peirson | 1918-8-16 | 179 | Los Angeles | San Antonio Canyon San Gabriel Mts. | 1341 | Comment | ||
GH345029 | Holodiscus microphyllus | F. W. Peirson | 1918-8-17 | 76 | Unknown | Near Summit Baldy, Mt. San Antonio. | Comment | |||
JEPS56588 | Eriogonum nudum var. pauciflorum | Frank W. Peirson | 1918-8-17 | 20 | Los Angeles | San Antonio Canyon San Gabriel Mts. | 1676 | Comment | ||
JEPS43972 | Oenothera elata subsp. hirsutissima | Frank W. Peirson | 1918-8-18 | 127 | Los Angeles | San Antonio Canyon San Gabriel Mts. | 1341 | Comment | ||
JEPS49954 | Asclepias fascicularis | Frank W. Peirson | 1918-8-18 | 149 | Los Angeles | San Antonio Canyon; San Gabriel Mts. | 1341 | Comment | ||
JEPS57016 | Eriogonum elongatum var. elongatum | Frank W. Peirson | 1918-9-7 | 19 | Los Angeles | Toll Road (automobile road up Mt. Wilson) Mt. Wilson | Comment | |||
RSA93104 | Corethrogyne filaginifolia var. filaginifolia | F. W. Peirson | 1918-9-15 | 229 | Los Angeles | summit of Lukens Peak | Comment | |||
RSA95225 | Stephanomeria cichoriacea | F. W. Peirson | 1918-9-15 | 249 | Los Angeles | Lukens Peak trail, San Gabriel Mountains. | Comment | |||
RSA71890 | Saltugilia splendens subsp. splendens | F. W. Peirson | 1918-10-16 | s.n. | Los Angeles | Pacoima Canyon, west end of San Gabriel Mts. | 534 | Comment | ||
RSA70560 | Croton californicus | F. W. Peirson | 1918-10-17 | 276 | Los Angeles | foot of Pacoima Canyon | 457 | Comment | ||
RSA90644 | Hazardia squarrosa var. grindelioides | F. W. Peirson | 1918-10-26 | 227 | Los Angeles | Big Dalton Canyon, south base of San Gabriel Mts | 732 | Comment | ||
JEPS49339 | Ribes indecorum | Frank W. Peirson | 1918-11-1 | 299 | Los Angeles | trail to Switzers (Arroyo Seco); San Gabriel Mts. | 944 | Comment | ||
RSA97443 | Phoradendron macrophyllum | F. W. Peirson | 1918-11 | 1717 | Los Angeles | Above Camp Baldy, San Antonio Canyon, San Gabriel Mts. | 1341 | Comment | ||
RSA90888 | Ericameria pinifolia | F. W. Peirson | 1918-11-25 | 2752 | San Bernardino | San Antonio Canyon, San Gabriel Mts. | 1341 | Comment | ||
JEPS40113 | Umbellularia californica | Frank W. Peirson | 1919-1-25 | 312 | Los Angeles | San Gabriel Mountains, Arroyo Seco Arroyo Seco; San Gabriel Mountains, Arroyo Seco | 381 | Comment | ||
RSA91758 | Gnaphalium californicum | F. W. Peirson | 1919-1-26 | 235 | Los Angeles | Hills east of Rubio Canyon | 548 | Comment | ||
JEPS13828 | Salix lasiolepis | Frank W. Peirson | 1919-2-9 | 317 | Los Angeles | Fish Canyon; San Gabriel Mts., Fish Canyon | Comment Read comments Dec 10 2014 |
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JEPS67674 | Cryptantha intermedia | Frank W. Peirson | 1919-2-12 | 320 | Los Angeles | Arroyo Seco San Gabriel Mountains | 457 | Comment | ||
RSA82355 | Scutellaria tuberosa | F. W. Peirson | 1919-3-11 | 178 | Los Angeles | Small Canyon east of Rubio Canyon south base of San Gabriel Mtns. at 1800 ft. | 549 | Comment | ||
JEPS53579 | Erysimum capitatum var. capitatum | Frank W. Peirson | 1919-3-27 | 337 | Los Angeles | Arroyo Seco Canyon San Gabriel Mountains | 411 | Comment | ||
JEPS65495 | Lupinus truncatus | Frank W. Peirson | 1919-3-27 | 360 | Los Angeles | Arroyo Seco Canyon San Gabriel Mts. | 411 | Comment | ||
RSA67367 | Guillenia lasiophylla | F. W. Peirson | 1919-3-27 | 327 | Los Angeles | Foot of trail to Lukens Peak | 609 | Comment | ||
SD70410 | Viola pedunculata | Frank W. Peirson | 1919-3-27 | 332 | Los Angeles | Foot of Lukens Peak trail, San Gabriel Mountains | 579 | Comment | ||
JEPS59731 | Chenopodium californicum | Frank W. Peirson | 1919-3-29 | 348 | Los Angeles | Rubio Canyon San Gabriel Mountains | 548 | Comment | ||
JEPS64529 | Populus fremontii subsp. fremontii | Frank W. Peirson | 1919-3-30 | 386 | Los Angeles | Big Tujunga Canyon; San Gabriel Mountains, Big Tujunga Canyon | 441 | Comment | ||
RSA74150 | Phacelia tanacetifolia | F. W. Peirson | 1919-3-30 | 311 | Los Angeles | Tujunga Canyon, west end of San Gabriel Mountains. | 457 | Comment | ||
RSA91366 | Melilotus albus | F. W. Peirson | 1919-3-30 | 354 | Los Angeles | Tujunga Canyon. West end of San Gabriel Mts. | 427 | Comment | ||
RSA92608 | Salix exigua | F. W. Peirson | 1919-3-30 | 355 | Los Angeles | Tujunga Canyon, west end of San Gabriel Mountains | 396 | Comment | ||
JEPS38027 | Quercus agrifolia | Frank W. Peirson | 1919-4-5 | 369 | Los Angeles | Mt. Wilson Toll Road San Gabriel Mountains | Comment | |||
JEPS44509 | Horkelia cuneata subsp. puberula | Frank W. Peirson | 1919-4-5 | 362 | Los Angeles | 1/4 mi below the mountains (Borders of Eaton Canyon); San Gabriel Mts., Eaton Canyon | 365 | Comment | ||
RSA85320 | Ribes amarum | F. W. Peirson | 1919-4-5 | 316 | Los Angeles | Mt. Wilson Toll Road, S side of San Gabriel Mts | 1067 | Comment | ||
RSA87171 | Quercus agrifolia var. agrifolia | F. W. Peirson | 1919-4-5 | 369 | Los Angeles | road to Mt. Wilson | 457 | Comment | ||
RSA72289 | Gilia angelensis | F. W. Peirson | 1919-4-5 | 4706 | Los Angeles | Allen Ranch, Altadena. | 366 | Comment | ||
UCD91779 | Poa secunda subsp. secunda | F. W. Peirson | 1919-4-12 | 1551 | Riverside | Tahquitz Camp, Palm Springs, Colorado Desert. | Comment | |||
RSA75988 | Eucrypta chrysanthemifolia var. bipinnatifida | F. W. Peirson | 1919-4-13 | 972 | Riverside | Tahquitz Canyon, near Palm Springs. | Comment Read comments Sep 18 2011 |
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RSA76031 | Pholistoma membranaceum | F. W. Peirson | 1919-4-13 | 981 | Riverside | Tahquitz Canyon stream, near Palm Springs. | Comment | |||
RSA83467 | Hyptis emoryi | F. W. Peirson | 1919-4-13 | 1078 | Riverside | first canyon east of Palm Canyon, Palm Springs region. | Comment | |||
RSA77228 | Ayenia compacta | F. W. Peirson | 1919-4-14 | 2069 | Riverside | Murray Canyon, near Palm Springs. | Comment | |||
RSA93014 | Lasthenia microglossa | F. W. Peirson | 1919-4-14 | 1376 | Riverside | Shelter of high wall of rock, Murray Canyon near Palm Springs. | 488 | Comment | ||
CAS-BOT-BC407620 | Gilia ochroleuca subsp. exilis | Frank W. Peirson | 1919-4-15 | 921 | Riverside | Whitewater Grade above Cabazon | Comment | |||
RSA72314 | Gilia diegensis | F. W. Peirson | 1919-4-16 | 4133 | San Bernardino | South slope of Cajon Pass. | 686 | Comment | ||
RSA79853 | Penstemon X parishii | F. W. Peirson | 1919-4-16 | 1107 | San Bernardino | Cajon Pass, west end of San Bernardino Mts. | 686 | Comment | ||
JEPS2128 | Phacelia longipes | Frank W. Peirson | 1919-4-19 | 381 | Los Angeles | Pacoima Canyon San Gabriel Mountains | 487 | Comment | ||
JEPS43807 | Saxifraga californica | Frank W. Peirson | 1919-4-19 | 373 | Los Angeles | Pacoima Canyon; San Gabriel Mountains, Pacoima Canyon | 533 | Comment | ||
JEPS65805 | Trifolium ciliolatum | Frank W. Peirson | 1919-4-19 | 378 | Los Angeles | Pacoim Canyon San Gabriel Mtns | 685 | Comment | ||
RSA0039200 | Thysanocarpus laciniatus | F. W. Peirson | 1919-4-19 | 5334 | Los Angeles | Pacoima Canyon, west end of San Gabriel Mts. | 549 | Comment | ||
RSA91500 | Trifolium ciliolatum | F. W. Peirson | 1919-4-19 | 378 | Los Angeles | Pacoima Canyon; San Gabriel Mountains | Comment | |||
JEPS12738 | Sambucus mexicana | Frank W. Peirson | 1919-4-24 | 391 | Los Angeles | canyon e Rubio; San Gabriel Mountains | 548 | Comment | ||
JEPS52980 | Berberis aquifolium var. dictyota | Frank W. Peirson | 1919-5-6 | 54 | Los Angeles | Eaton Canyon; San Gabriel Mts | 609 | Comment | ||
JEPS34715 | Eriophyllum confertiflorum var. confertiflorum | F. W. Peirson | 1919-5-10 | 409 | Los Angeles | Arraster Canyon San Gabriel Mts., Arraster Canyon | 838 | Comment Read comments Aug 21 2014 |
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JEPS60620 | Delphinium parishii subsp. parishii | Frank W. Peirson | 1919-5-10 | 419 | Los Angeles | Arraster Creek San Gabriel Mountains | 914 | Comment | ||
JEPS67675 | Cryptantha intermedia | Frank W. Peirson | 1919-5-10 | 402 | Los Angeles | Arraster Creek San Gabriel Mountains | 914 | Comment | ||
JEPS69842 | Leptodactylon californicum | Frank W. Peirson | 1919-5-10 | 401 | Los Angeles | Mt. Gleason; San Gabriel Mountains, Mt. Gleason | 1371 | Comment | ||
RSA65891 | Centrostegia thurberi | F. W. Peirson | 1919-5-10 | 28 | Los Angeles | Arraster [Arrastre] Creek. North base of San Gabriel Mountains. | 915 | Comment | ||
RSA79598 | Cryptantha circumscissa | F. W. Peirson | 1919-5-10 | 1001 | Los Angeles | Arraster [Arrastre] Creek, San Gabriel Mountains. | 838 | Comment | ||
RSA82280 | Castilleja foliolosa | F. W. Peirson | 1919-5-10 | 430 | Los Angeles | Arraster [Arrastre] Creek. North base of San Gabriel Mountains. | 915 | Comment | ||
RSA73039 | Linanthus dichotomus subsp. pattersonii | F. W. Peirson | 1919-5-10 | 393 | Los Angeles | Arraster [Arrastre] Creek. North base of San Gabriel Mountains | 915 | Comment | ||
RSA92645 | Salix lasiolepis | F. W. Peirson | 1919-5-10 | 4281 | Los Angeles | Arraster [Arrastre] Creek, San Gabriel Mountains. | 838 | Comment | ||
SD87569 | Cryptantha intermedia | F. W. Peirson | 1919-5-11 | 402 | Los Angeles | San Gabriel Mountains, Arraster | 915 | Comment | ||
RSA87166 | Quercus durata var. gabrielensis | F. W. Peirson | 1919-5-14 | 1710 | Los Angeles | Eaton Canyon. | 686 | Comment Read comments Dec 19 2014 |
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RSA95120 | Agoseris retrorsa | F. W. Peirson | 1919-5-14 | 2764 | Los Angeles | East trail to Mount Lowe. | 1066 | Comment | ||
JEPS273 | Sanicula crassicaulis | Frank W. Peirson | 1919-5-18 | 431 | Los Angeles | San Gabriel Mountains, Monrovia Canyon Monrovia Canyon; San Gabriel Mountains, Monrovia Canyon | 609 | Comment | ||
JEPS43697 | Clarkia bottae | Frank W. Peirson | 1919-5-18 | 432 | Los Angeles | Monrovia Canyon San Gabriel Mountains | 304 | Comment | ||
JEPS7023 | Galium grande | F. W. Peirson | 1919-5-18 | 448 | Los Angeles | ridge between Monrovia Canyon and Fish Canyon; San Gabriel Mts. | 990 | Comment | ||
JEPS4580 | Mimulus | Frank W. Peirson | 1919-5-18 | 434 | Los Angeles | hills e Monrovia Canyon; San Gabriel Mountains | 457 | Comment | ||
RSA65616 | Cerastium glomeratum | F. W. Peirson | 1919-5-18 | 438 | Los Angeles | Hills east of Monrovia Canyon | 457 | Comment | ||
RSA97318 | Lomatium lucidum | F. W. Peirson | 1919-5-18 | 801 | Los Angeles | trail from Monrovia Canyon to Fish Canyon | 915 | Comment | ||
PASA321 | Malacothrix clevelandii | Frank W. Peirson | 1919-5-21 | Los Angeles | Arroyo Seco, San Gabriel Mts. | 685 | Comment | |||
PASA1101 | Lotus oblongifolius | Frank W. Peirson | 1919-5-21 | Los Angeles | Arroyo Seco | 548 | Comment | |||
CAS-BOT-BC296957 | Eriophyllum wallacei | Frank W. Peirson | 1919-5-30 | 346 | Los Angeles | Tujunga Canyon, west end of San Gabriel Mts. | 426 | Comment | ||
POM9940 | Allium monticola | F. W. Peirson | 1919-6-4 | 3 | San Bernardino | Icehouse Canyon | 1982 | Comment | ||
JEPS39882 | Rumex conglomeratus | Frank W. Peirson | 1919-6-5 | 463 | Los Angeles | San Antonio Canyon San Gabriel Mountains | 1310 | Comment | ||
POM9745 | Galium angustifolium subsp. gabrielense | F. W. Peirson | 1919-6-7 | 7677 | Los Angeles | Cow Canyon divide, San Antonio Creek Region | 1372 | Comment | ||
RSA0005777 | Galium siccatum var. anotinum | F. W. Peirson | 1919-6-7 | 215 | Los Angeles | Cow Canyon Divide, San Gabriel Mts. | 1372 | Comment | ||
JEPS53908 | Stanleya pinnata | Frank W. Peirson | 1919-6-13 | 292 | Los Angeles | Rock Creek San Gabriel Mountains, Rock Creek | 1295 | Comment | ||
RSA93903 | Encelia actoni | F. W. Peirson | 1919-6-13 | 484 | Los Angeles | Large colony on south side of canyon of Rock Creek. | 1296 | Comment | ||
JEPS31580 | Camissoniopsis pallida subsp. pallida | Frank W. Peirson | 1919-6-14 | 478 | Los Angeles | Rock Creek San Gabriel Mountains | 1524 | Comment | ||
JEPS41224 | Mentzelia congesta | Frank W. Peirson | 1919-6-14 | 472 | Los Angeles | San Gabriel Mountains, Rock Creek | Comment | |||
JEPS79971 | Rosa woodsii var. ultramontana | Frank W. Peirson | 1919-6-14 | 470 | Los Angeles | Big Rock Creek Canyon; San Gabriel Mts. | 1676 | Comment | ||
POM86818A | Amelanchier utahensis | F. W. Peirson | 1919-6-14 | 471 -A | Los Angeles | Rock Creek Divide, north side of San Gabriel Mountains. | 2012 | Comment | ||
RSA86818A | Amelanchier utahensis | F. W. Peirson | 1919-6-14 | 471 -A | Los Angeles | Rock Creek Divide, north side of San Gabriel Mountains. | 2012 | Comment | ||
RSA0030025 | Delphinium patens subsp. montanum | F. W. Peirson | 1919-6-14 | 50 | Los Angeles | Rock Creek, San Gabriel Mountians. | 1982 | Comment | ||
RSA0104653 | Eriastrum densifolium subsp. austromontanum | F. W. Peirson | 1919-6-14 | 482 | Los Angeles | Rock Creek, San Gabriel Mts. | 1295 | Comment | ||
JEPS60675 | Ranunculus cymbalaria var. saximontanus | Frank W. Peirson | 1919-6-15 | 486 | Los Angeles | Rock Creek San Gabriel Mountains | 1295 | Comment | ||
JEPS67078 | Juncus xiphioides | Frank W. Peirson | 1919-6-15 | 488 | Los Angeles | Rock Creek San Gabriel Mountains | Comment | |||
RSA66742 | Eschscholzia minutiflora | F. W. Peirson | 1919-6-15 | 487 | Los Angeles | Rock Creek, north slope of San Gabriel Mountains. | 1296 | Comment | ||
RSA80384 | Solanum umbelliferum | F. W. Peirson | 1919-6-15 | 1082 | Los Angeles | Rock Creek, north slope of San Gabriel Mountains. | 1296 | Comment | ||
RSA86363 | Pinus monophylla | F. W. Peirson | 1919-6-15 | 2328 | Los Angeles | Rock Creek | 1250 | Comment | ||
RSA90985 | Trifolium wormskioldii | F. W. Peirson | 1919-6-15 | 485 | Los Angeles | Rock Creek. San Gabriel Mtns. | 1296 | Comment | ||
JEPS44759 | Rubus leucodermis | Frank W. Peirson | 1919-6-16 | 494 | Los Angeles | South Fork Rock Creek San Gabriel Mts., South Fork Rock Creek | 1981 | Comment | ||
JEPS43922 | Fraxinus dipetala | Frank W. Peirson | 1919-7-1 | 383 a | Los Angeles | Fish Canyon San Gabriel Mountains | 609 | Comment | ||
JEPS49876 | Dudleya lanceolata | Frank W. Peirson | 1919-7-1 | 518 | Los Angeles | Fish Canyon San Gabriel Mtns | 304 | Comment | ||
JEPS49975 | Dudleya densiflora | Frank W. Peirson | 1919-7-1 | 517 | Los Angeles | Fish Canyon San Gabriel Mtns | 274 | Comment | ||
SD70387 | Dudleya densiflora | Frank W. Peirson | 1919-7-1 | 517 | Los Angeles | Fish Canyon | 274 | Comment | ||
RSA94159 | Hulsea heterochroma | F. W. Peirson | 1919-7-3 | 514 | Los Angeles | San Gabriel Mts: on Lukens Peak trail. | 1220 | Comment | ||
RSA93808 | Chaenactis artemisiifolia | F. W. Peirson | 1919-7-3 | 242 | Los Angeles | San Gabriel Mountains: Lukens Peak | 915 | Comment | ||
RSA86956 | Betula occidentalis | F. W. Peirson | 1919-8-2 | 2817 | Inyo | Gray s on Kearsarge Trail, Sierra Nevada | 1829 | Comment | ||
PASA1733 | Erigeron lonchophyllus | Frank W. Peirson | 1919-8-3 | Inyo | Onion Valley on the Kearsarge Trail | 2743 | Comment | |||
RSA0020550 | Draba lemmonii var. lemmonii | F. W. Peirson | 1919-8-5 | 652 | Fresno | Center Basin. | 3415 | Comment | ||
RSA94697 | Senecio werneriifolius | F. W. Peirson | 1919-8-6 | 1441 | Fresno | Junction Pass, Sierra Nevada. | 3963 | Comment | ||
RSA84265 | Ranunculus aquatilis var. capillaceus | F. W. Peirson | 1919-8-7 | 1874 | Tulare | Lake above and E of Tyndall Creek on trail to Mt. Whitney. | 3384 | Comment | ||
CAS-BOT-BC327848 | Oreostemma peirsonii | F. W. Peirson | 1919-8-8 | 1276 | Tulare | Twin Lake Cirque, Mt. Whitney Region | Comment | |||
RSA72165 | Epilobium anagallidifolium | F. W. Peirson | 1919-8-8 | 770 | Tulare | Twin Lake Cirque, Mt. Whitney region, Sierra Nevada | 3659 | Comment | ||
RSA93845 | Aster peirsonii | F. W. Peirson | 1919-8-8 | 1276 | Tulare | Twin Lake Cirque, Mt. Whitney region, Sierra Nevada. | 3506 | Comment | ||
RSA77782 | Viola adunca | F. W. Peirson | 1919-8-10 | 744 | Tulare | At Funston Camp, Kern River Canyon, Sierra Nevada | 2043 | Comment | ||
RSA94851 | Arnica longifolia subsp. myriadenia | F. W. Peirson | 1919-8-13 | 1422 | Fresno | Camp near Mineral King, Sierra Nevada | 2409 | Comment | ||
RSA83955 | Saxifraga oregana | F. W. Peirson | 1919-8-16 | 1939 | Tulare | in damp swale, Giant Forest, Sierra Nevada. | 1982 | Comment | ||
LA38979 | Mimulus leptaleus | Frank W. Peirson; | 1919-8-17 | 1145 | Tulare | Patee Meadow | 2743 | Comment | ||
RSA72179 | Epilobium hornemannii subsp. hornemannii | F. W. Peirson | 1919-8-18 | 761 | Fresno | Summit Meadow. Kings River Region. Sierra Nevada. | 2439 | Comment | ||
RSA72163 | Epilobium anagallidifolium | F. W. Peirson | 1919-8-24 | 763 | Fresno | Above Rae Lake, Sierra Nevada. | 3323 | Comment Read comments Dec 23 2018 |
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RSA77848 | Callitriche verna | F. W. Peirson | 1919-8-24 | 2048 | Fresno | Bench above Rae Lake, Sierra Nevada. | 3323 | Comment Read comments Dec 23 2018 |
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SD87582 | Callitriche verna | F. W. Peirson | 1919-8-24 | 2048 | Unknown | Rae Lake, bench above lake. | 3275 | Comment Read comments Jan 1 2016 |
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JEPS19208 | Lorandersonia peirsonii | F. W. Peirson | 1919-8-27 | 1404 | Inyo | Sawmill Canyon e. slope Sierra Nevada | 2956 | Comment | ||
UC221333 | Lorandersonia peirsonii | Frank W. Peirson | 1919-8-27 | 1404 | Inyo | Saw Mill Pass | 2956 | Comment | ||
RSA93223 | Tonestus peirsonii | F. W. Peirson | 1919-8-27 | 1404 | Inyo | Sawmill Canyon east slope of Sierra Nevada. | 2957 | Comment | ||
CAS-BOT-BC5241 | Epilobium canum subsp. latifolium | Frank Warrington Peirson | 1919-8-28 | 759 | Mono | Saw Mill Canyon, eastern slope of the Sierra Nevada | 2286 | Comment | ||
RSA95219 | Stephanomeria pauciflora | F. W. Peirson | 1919-8-28 | 1472 | Inyo | Saw Mill trail, near Independence. | 1982 | Comment | ||
RSA69956 | Kochia californica | F. W. Peirson | 1919-8-30 | 1833 | Los Angeles | Desert between Mojave and Lancaster. | Comment | |||
RSA95065 | Hemizonia pungens | F. W. Peirson | 1919-8-30 | 1351 | Los Angeles | Desert between Mojave and Lancaster. | Comment | |||
RSA80318 | Lycium californicum | F. W. Peirson | 1919-11-8 | 1085 | Orange | South of Arch Beach, near Laguna Beach | Comment | |||
RSA85047 | Polypodium californicum | F. W. Peirson | 1919-11-30 | 2838 | Los Angeles | South base of San Gabriel Mnts., Middle Eaton Canyon. | 610 | Comment | ||
RSA85045 | Dryopteris arguta | F. W. Peirson | 1919-12-2 | 1506 | Los Angeles | West Fork of Rubio Canyon, south base of San Gabriel Mtns | 762 | Comment | ||
RSA0011736 | Asplenium vespertinum | F. W. Peirson | 1919-12-28 | 1520 | Los Angeles | Middle Eaton Canyon, south face of San Gabriel Mts. | 610 | Comment | ||
RSA71807 | Gilia stellata | F. W. Peirson | 1920-2-16 | 2297 | Riverside | Foot of Alkali Canyon, southeast of Palm Canyon, east base of San Jacintos Mountains | Comment | |||
RSA72237 | Camissonia claviformis subsp. aurantiaca | F. W. Peirson | 1920-2-16 | 2707 | Riverside | Palm Canyon stream below the canyon, Palm Springs. region | Comment | |||
RSA74172 | Phacelia ambigua | F. W. Peirson | 1920-2-16 | 971 | Riverside | Palm Canyon Stream, Near foot of Alkali Canyon east of Palm Canyon, Riverside County. | Comment | |||
RSA77816 | Pectocarya peninsularis | F. W. Peirson | 1920-2-16 | 1013 | Riverside | Palm Canyon stream below the canyon, Palm Springs. region | Comment | |||
RSA94819 | Hypochaeris glabra | F. W. Peirson | 1920-3-14 | 1469 | Los Angeles | Arroyo Seco, Pasadena. | 442 | Comment | ||
RSA66765 | Meconella denticulata | F. W. Peirson | 1920-3-28 | 36 | Los Angeles | Tujunga Canyon: small side canyon in lower Tujunga. | 488 | Comment | ||
RSA85318 | Berberis nevinii | F. W. Peirson | 1920-3-28 | 646 | Los Angeles | About halfway between Devil's Gate and the mountains, Arroyo Seco, west of Altadena | 335 | Comment | ||
RSA94427 | Matricaria matricarioides | F. W. Peirson | 1920-4-20 | 2104 | Los Angeles | 1085 New York Drive, Altadena. | Comment | |||
RSA95304 | Rhamnus californica subsp. californica | F. W. Peirson | 1920-4-22 | 108 | Los Angeles | Rubio Canyon, south base of San Gabriel Mts. | Comment | |||
RSA80765 | Nicotiana glauca | F. W. Peirson | 1920-4-25 | 352 | Los Angeles | Arroyo Seco Canyon, near Pasadena, Ca. | 381 | Comment | ||
RSA84282B | Equisetum hyemale var. affine | F. W. Peirson | 1920-4-25 | 8450 B | Los Angeles | Arroyo Seco, Pasadena | 411 | Comment Read comments Jan 4 2014 |
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JEPS53883 | Sisymbrium officinale | Frank W. Peirson | 1920-4-25 | 2109 | Los Angeles | Arroyo Seco; San Gabriel Mountains, Arroyo Seco | 411 | Comment | ||
RSA80445 | Mimulus guttatus | F. W. Peirson | 1920-4-25 | 2116 | Los Angeles | Verdugo Canyon | 274 | Comment | ||
RSA65162 | Dodecahema leptoceras | F. W. Peirson | 1920-4-26 | 2113 | Los Angeles | Santa Anita Wash, S base of San Gabriel Mts. | 213 | Comment | ||
RSA73329 | Clarkia purpurea subsp. quadrivulnera | F. W. Peirson | 1920-4-26 | 2114 | Los Angeles | Santa Anita Wash, S base of San Gabriel Mts. | 213 | Comment | ||
RSA73055 | Leptosiphon lemmonii | F. W. Peirson | 1920-4-26 | 2111 | Los Angeles | Santa Anita Wash above Foothill Blvd. | 213 | Comment | ||
RSA84910 | Crassula connata | F. W. Peirson | 1920-4-26 | 2112 | Los Angeles | Santa Anita Wash, S base of San Gabriel Mts. | 213 | Comment | ||
RSA85549 | Aspidotis californica | F. W. Peirson | 1920-4-26 | 4296 | Los Angeles | Santa Anita Wash, S base of San Gabriel Mts. | 213 | Comment | ||
CAS-BOT-BC277527 | Chaenactis glabriuscula var. lanosa | F. W. Peirson; Alice Ottley | 1920-5-3 | 2121 | Los Angeles | Little Tujunga Wash at road crossing, San Gabriel Mts. | 335 | Comment | ||
RSA65596 | Loeflingia squarrosa | F. W. Peirson | 1920-5-3 | 2123 | Los Angeles | Little Tujunga Wash, west end of San Gabriel Mts. | 335 | Comment | ||
JEPS11361 | Mimulus nasutus | Frank W. Peirson | 1920-5-6 | 2125 | Los Angeles | Fish Canyon San Gabriel Mountains | 609 | Comment | ||
RSA70485 | Oxalis albicans subsp. californica | F. W. Peirson | 1920-5-6 | 2126 | Los Angeles | Fish Canyon, San Gabriel Mountains. | 274 | Comment | ||
RSA80463 | Mimulus guttatus | F. W. Peirson | 1920-5-6 | 2125 | Los Angeles | Fish Canyon, San Gabriel Mountains | 610 | Comment | ||
RSA75882 | Nemophila menziesii var. integrifolia | F. W. Peirson | 1920-5-8 | 2739 | San Bernardino | San Antonio Canyon. | 1341 | Comment | ||
RSA90391 | Lotus strigosus | F. W. Peirson | 1920-5-9 | 4693 | Los Angeles | east trail to Mt. Lowe | 1341 | Comment | ||
CAS-BOT-BC296180 | Erigeron foliosus var. foliosus | F. W. Peirson | 1920-5-12 | 231 | Los Angeles | San Gabriel Wash near Foothill Boulevard | 182 | Comment | ||
RSA65167 | Chorizanthe parryi var. parryi | F. W. Peirson | 1920-5-12 | 2131 | Los Angeles | Foothill Blvd. San Gabriel Wash, S base of San Gabriel Mts. | 183 | Comment | ||
RSA84288 | Equisetum laevigatum | F. W. Peirson | 1920-5-12 | 2133 | Los Angeles | El Monte | Comment | |||
RSA91030 | Erigeron foliosus var. stenophyllus | F. W. Peirson | 1920-5-12 | 231 | Los Angeles | Foothill Blvd. San Gabriel Wash, S base of San Gabriel Mts. | 182 | Comment | ||
JEPS55285 | Lathyrus vestitus var. vestitus | Frank W. Peirson | 1920-5-16 | 2137 | Los Angeles | Tujunga Canyon San Gabriel Mountains | 472 | Comment | ||
RSA68671 | Calochortus catalinae | Frank W. Peirson | 1920-5-16 | 2146 | Los Angeles | Tujunga Canyon, west end of San Gabriel Mountains. | 457 | Comment | ||
RSA65278 | Chorizanthe xanti var. leucotheca | F. W. Peirson | 1920-5-18 | 1772 | San Bernardino | Lytle Creek, east end of San Gabriel Mts. | 1067 | Comment | ||
RSA88744 | Carex hassei | F. W. Peirson | 1920-5-18 | 2329 | San Bernardino | Lytle Creek, east end of San Gabriel Mts. | 1067 | Comment | ||
RSA75945 | Phacelia austromontana | F. W. Peirson | 1920-5-19 | 4717 | San Bernardino | northward extension of Devil s Backbone | 1982 | Comment | ||
JEPS66921 | Juncus bufonius | Frank W. Peirson | 1920-5-20 | 1643 | San Bernardino | Lytle Creek San Gabriel Mountains | Comment | |||
SD87726 | Collinsia parryi | Frank W. Peirson | 1920-5-28 | San Bernardino | San Antonio Canyon | 1524 | Comment | |||
POM9778 | Collinsia parryi | F. W. Peirson | 1920-5-28 | 2156 | Los Angeles | San Antonio Mountains: Bear Canyon | 1372 | Comment | ||
RSA91408 | Trifolium albopurpureum | F. W. Peirson | 1920-5-28 | 2154 | San Bernardino | 0.5 miles above Camp Baldy in San Antonio Canyon, San Gabriel Mts | 1341 | Comment | ||
RSA86820 | Amelanchier utahensis | F. W. Peirson | 1920-5-29 | 2155 | San Bernardino | Icehouse Canyon, E San Gabriel Mts. | 1982 | Comment | ||
RSA79962 | Cryptantha micrantha | F. W. Peirson | 1920-6-10 | 4482 | Los Angeles | San Gabriel Mts., summit of Mt. Wilson | 1738 | Comment | ||
RSA80120 | Mimulus johnstonii | F. W. Peirson | 1920-6-10 | 196 | Los Angeles | Divide between Mt. Lowe and Mt. Markham | 1646 | Comment | ||
CAS-BOT-BC343065 | Madia gracilis | F. W. Peirson | 1920-6-10 | 2777 | Los Angeles | Maple Spring, trail to Mt. Lowe, San Gabriel Mts. | 1066 | Comment | ||
RSA97227 | Garrya flavescens var. pallida | F. W. Peirson | 1920-6-10 | 822 | Los Angeles | Trail from San Gabriel Peak to Mt. Wilson, San Gabriel Mts. | 1677 | Comment | ||
UC39369 | Oenothera sinuosa | F. W. Peirson | 1920-6-13 | 2160 | Los Angeles | Pasadena | Comment | |||
RSA100199 | Lonicera subspicata var. denudata | F. W. Peirson | 1920-6-22 | 217 | Riverside | Dripping Springs, Temecula River | 457 | Comment | ||
RSA100337 | Heterocodon rariflorum | F. W. Peirson | 1920-6-22 | 4065 | San Diego | East foot of Morgan Hill, Palomar Mountains | 1433 | Comment | ||
RSA66320 | Polygonum lapathifolium | F. W. Peirson | 1920-6-22 | 1791 | San Bernardino | 2 miles south of Chino | Comment | |||
RSA80320 | Hydrocotyle ranunculoides | F. W. Peirson | 1920-6-22 | 2168 | San Bernardino | Chino Creek | 152 | Comment | ||
CAS-BOT-BC514969 | Eriastrum sapphirinum subsp. dasyanthum | Frank W. Peirson | 1920-6-22 | 4708 | Los Angeles | Temescal Canyon | 304 | Comment | ||
RSA0121585 | Eriastrum sapphirinum subsp. dasyanthum | F. W. Peirson | 1920-6-22 | 4474 | Riverside | Dripping Spring southeast of Temecula | 457 | Comment | ||
RSA90445 | Glycyrrhiza lepidota | F. W. Peirson | 1920-6-22 | 588 | Riverside | Santa Ana River. | 152 | Comment | ||
RSA95047 | Hemizonia parryi subsp. australis | F. W. Peirson | 1920-6-22 | 1352 | Los Angeles | Along Valley Boulevard at Bassett | Comment | |||
RSA0124136 | Eriastrum sapphirinum subsp. sapphirinum | F. W. Peirson | 1920-6-23 | 2299 | San Diego | Oak Grove. | 854 | Comment | ||
RSA70048 | Corallorhiza maculata | Frank W. Peirson | 1920-6-24 | 1697 | San Diego | West of summit of Mt. Palomar, [Palomar Mountains]. | 1677 | Comment | ||
RSA71882 | Gilia diegensis | F. W. Peirson | 1920-6-24 | 2294 | San Diego | On east trail to Palomar Mtn. | 1677 | Comment | ||
RSA77702 | Ceanothus palmeri | F. W. Peirson | 1920-6-24 | 4193 | San Diego | West of summit of Mt. Palomar, [Palomar Mountains]. | 1677 | Comment | ||
RSA77716 | Ceanothus greggii var. perplexans | F. W. Peirson | 1920-6-24 | 2722 | San Diego | Oak Grove, east base of Palomar Mountains | Comment | |||
RSA80062 | Mimulus diffusus | F. W. Peirson | 1920-6-24 | 2183 | San Diego | Meadow east of Morgan Hill; Palomar Mts. | 1433 | Comment | ||
UCR136641 | Castilleja applegatei | F. W. Peirson | 1920-6-24 | 2174 | San Diego | Palomar Mountains, east foot of Morgan Hill | 1585 | Comment | ||
RSA65165 | Loeflingia squarrosa | F. W. Peirson | 1920-6-25 | 4214 | San Diego | San Luis Rey River. | 915 | Comment | ||
RSA80767 | Petunia parviflora | F. W. Peirson | 1920-6-25 | 2207 | San Diego | Road from Warners Hot Springs to Oak Grove, on San Luis Rey River. | 915 | Comment | ||
RSA451826 | Petrophytum caespitosum | F. W. Peirson | 1920-7-1 | 3399 | Tulare | Big Arroyo. | Comment | |||
RSA90318 | Lotus scoparius | F. W. Peirson | 1920-7-29 | 4087 | San Luis Obispo | 1 mile south of Pismo Beach. | Comment | |||
RSA90743 | Astragalus pomonensis | F. W. Peirson | 1920-7-29 | 2229 | San Luis Obispo | 1 mile south of Pismo Beach. | Comment | |||
CAS-BOT-BC166414 | Epilobium canum subsp. canum | Peirson | 1920-7-30 | 2234 | San Luis Obispo | Willow Creek, Morro region, sea level | Comment | |||
RSA90879 | Carex spissa | F. W. Peirson | 1920-7-30 | 2218 | San Luis Obispo | Willow Creek, near Morro. | Comment | |||
RSA65399 | Atriplex californica | F. W. Peirson | 1920-8-1 | 1822 | San Luis Obispo | Morro Inlet. | Comment | |||
SD87603 | Extriplex californica | Frank W. Peirson | 1920-8-1 | 1822 | San Luis Obispo | Morrow Inlet. | Comment | |||
RSA92712 | Salix lemmonii | F. W. Peirson | 1920-8-22 | 721 | San Bernardino | Ridge east of Foxesee Creek [Forsee Creek], San Bernardino Mts | 2896 | Comment | ||
RSA94126 | Hulsea vestita subsp. parryi | F. W. Peirson | 1920-8-22 | 1407 | San Bernardino | Ridge east of Foxesee Creek [Forsee Creek], San Bernardino Mts | 2895 | Comment | ||
RSA82056 | Cordylanthus nevinii | F. W. Peirson | 1920-8-22 | 2680 | San Bernardino | Ridge east of Foxesee Creek [Forsee Creek], San Bernardino Mountains | 2287 | Comment | ||
RSA72091 | Epilobium canum subsp. latifolium | F. W. Peirson | 1920-8-23 | 3349 | San Bernardino | Santa Ana River | 1905 | Comment | ||
UC672174 | Erigeron divergens | Frank W. Peirson | 1920-8-23 | 1286 | San Bernardino | at South Fork Santa Ana River; San Bernardino Mts., Santa Ana River | 1920 | Comment | ||
SD87702 | Galium parishii | F. W. Peirson | 1920-8-24 | Unknown | Big Meadows | 2133 | Comment | |||
CAS-BOT-BC17375 | Arabis pycnocarpa var. pycnocarpa | Frank W. Peirson | 1920-8-25 | 2355 | San Bernardino | San Bernardino Mountains. South Fork Santa Ana Meadow. | 2438 | Comment | ||
RSA86188 | Cystopteris fragilis | F. W. Peirson | 1920-8-25 | 4299 | San Bernardino | South Fork of Santa Ana River | 2438 | Comment | ||
SBBG54476 | Malaxis monophyllos subsp. brachypoda | F. W. Peirson | 1920-8-25 | San Bernardino | meadows, S Fork, Santa Ana River | 2438 | Comment | |||
RSA71005 | Cuscuta ceanothi | F. W. Peirson | 1920-8-26 | 2740 | San Bernardino | Santa Ana River | 1372 | Comment | ||
RSA84208 | Sedum niveum | F. W. Peirson | 1920-8-26 | 2298 | San Bernardino | Creek east of Foresee Creek, north base of Mount San Bernardino. | 1677 | Comment Read comments Jan 2 2012 |
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RSA77785 | Lythrum californicum | F. W. Peirson | 1920-9-5 | 291 | Los Angeles | Eaton Canyon, south base of San Gabriel Mountains. | 457 | Comment | ||
RSA65986 | Eriogonum umbellatum var. minus | F. W. Peirson | 1920-9-12 | 21 | Los Angeles | Summit of 'Baldy' (Mt. San Antonio) | 3049 | Comment | ||
PASA1809 | Corethrogyne filaginifolia | Frank W. Peirson | 1920-9-13 | San Bernardino | San Antonio Canyon, San Gabriel Mts. | 1523 | Comment | |||
RSA70068 | Platanthera sparsiflora | Frank W. Peirson | 1920-9-14 | 4284 | San Bernardino | Coldwater cienega, tributary of Lytle Creek, San Gabriel Mountains. | 2134 | Comment | ||
RSA77164 | Ceanothus leucodermis | F. W. Peirson | 1920-9-14 | 2281 | San Bernardino | Coldwater Canyon, San Gabriel Mts. | 2134 | Comment | ||
CAS-BOT-BC514241 | Maianthemum stellatum | Frank W. Peirson | 1920-9-14 | 1682 | San Bernardino | Coldwater Cienega, Lytle Creek, San Gabriel Mts. | 2133 | Comment | ||
RSA0080573 | Pyrola dentata | F. W. Peirson | 1920-9-14 | 4727 | San Bernardino | Slope above Coldwater Cienega: fork of Lytle Creek | 2134 | Comment | ||
CAS-BOT-BC310860 | Heterotheca sessiliflora subsp. fastigiata | Frank W. Peirson | 1920-9-15 | 4734 | San Bernardino | San Gabriel Mts. Lytle Cr. | Comment | |||
JEPS36842 | Stephanomeria pauciflora | F. W. Peirson | 1920-9-15 | 250 a | San Bernardino | Lytle Creek San Gabriel Mts., Lytle Creek | 1828 | Comment | ||
RSA90366 | Lotus heermannii var. heermannii | F. W. Peirson | 1920-9-15 | 2283 | San Bernardino | Lytle Creek. San Gabriel Mts. | 1982 | Comment | ||
RSA91968 | Elymus elymoides subsp. elymoides | F. W. Peirson | 1920-9-15 | 5370 | Los Angeles | Along ridge west of summit of Mt. San Antonio, San Gabriel Mountains. | 2896 | Comment | ||
CAS-BOT-BC269800 | Eriogonum nudum var. pauciflorum | Frank W. Peirson | 1920-9-16 | 20 | San Bernardino | North Fork San Antonio, San Gabriel Mts. | Comment | |||
RSA70386 | Euphorbia polycarpa var. hirtella | F. W. Peirson | 1920-12-28 | 2040 | Riverside | Wash coming down from the east; lower part of Palm Canyon. | Comment | |||
PASA833 | Dicoria canescens | Frank W. Peirson | 1920-12-29 | Riverside | One and one-half miles east of Thite-water | 304 | Comment Read comments Nov 12 2014 |
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RSA93686 | Ambrosia psilostachya | F. W. Peirson | 1920-12-29 | 5276 | Riverside | Murray Canyon near Palm Springs. | Comment | |||
RSA90708 | Astragalus trichopodus var. lonchus | F. W. Peirson | 1921-2-26 | 586 | Los Angeles | Foot of Topanga Canyon, Santa Monica Mtns. | Comment | |||
RSA97281 | Lomatium vaginatum | F. W. Peirson | 1921-2-26 | 2358 | Los Angeles | Topanga Canyon, west end of San Gabriel Mountains | 304 | Comment | ||
RSA435910 | Berberis nevinii | F. W. Peirson | 1921-3-3 | s.n. | Los Angeles | Near stream, Arroyo Seco | 335 | Comment | ||
RSA86771 | Vulpia myuros | F. W. Peirson | 1921-3-6 | 2360 | Los Angeles | San Gabriel Wash. | 213 | Comment | ||
RSA80830 | Pedicularis densiflora | F. W. Peirson | 1921-3-19 | 2741 | Riverside | 4 miles west of Beaumont, on road to Redlands. | Comment | |||
RSA69621 | Juncus acutus subsp. leopoldii | F. W. Peirson | 1921-3-20 | 2366 | Riverside | Palm Canyon, east base of San Jacinto Mountains | 305 | Comment | ||
JEPS67559 | Cryptantha decipiens | F. W. Peirson | 1921-3-21 | 2368 a | Riverside | above Andreas Canyon (Gordon trail) | 1066 | Comment | ||
CAS-BOT-BC342257 | Logfia filaginoides | F. W. Peirson | 1921-3-22 | 5277 | Riverside | Murray Canyon near Palm Springs | 487 | Comment | ||
PASA1246 | Poa bigelovii | Frank W. Peirson | 1921-3-22 | Riverside | Murray Canyon | 457 | Comment | |||
RSA65720 | Claytonia parviflora subsp. utahensis | F. W. Peirson | 1921-3-22 | 2389 | Riverside | Murray Canyon near Palm Springs. | 457 | Comment | ||
RSA90953 | Erigeron divergens | F. W. Peirson | 1921-3-22 | 2365 | Riverside | Andreas Canyon, Palm Springs region | Comment | |||
RSA80747 | Cryptantha racemosa | F. W. Peirson | 1921-3-23 | 2377 | Riverside | Deep Canyon south of Coachella Valley | 335 | Comment | ||
RSA93767 | Geraea canescens | F. W. Peirson | 1921-3-23 | 2782 | Riverside | 10 miles SE of Palm Spring | Comment Read comments Apr 21 2011 |
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RSA92413 | Coreopsis bigelovii | F. W. Peirson | 1921-3-29 | 4238 | San Bernardino | Hill slopes above road at Cajon Pass. | 1220 | Comment | ||
RSA92642 | Salix lasiolepis | F. W. Peirson | 1921-4-3 | 9608 | Los Angeles | Pacoima Canyon, west end of San Gabriel Mountains | 518 | Comment | ||
RSA92699 | Salix laevigata | F. W. Peirson | 1921-4-3 | 2668 | Los Angeles | Pacoima Canyon, west end of San Gabriel Mountains | 518 | Comment | ||
JEPS66150 | Vicia americana var. americana | Frank W. Peirson | 1921-4-10 | 2396 | Los Angeles | San Dimas Canyon; San Gabriel Mountains | 426 | Comment | ||
RSA66304 | Papaver californicum | F. W. Peirson | 1921-4-10 | 2397 | Los Angeles | Trail from San Dimas to Sycamore Flat, San Gabriel Mountains. | 534 | Comment | ||
CAS-BOT-BC432201 | Lithophragma bolanderi | Frank W. Peirson | 1921-4-13 | 2395 | Los Angeles | Pacoima Canyon, San Gabriel Mts. | 548 | Comment | ||
JEPS62247 | Zigadenus fremontii | Frank W. Peirson | 1921-4-21 | 2402 | Los Angeles | Sycamore Flat to San Dimas Creek; San Gabriel Mountains | 792 | Comment | ||
RSA73331 | Clarkia epilobioides | F. W. Peirson | 1921-4-21 | 47025 | Los Angeles | Trail to Sycamore Flat, San Gabriel Mountains. | 530 | Comment | ||
RSA91318 | Lupinus excubitus var. hallii | F. W. Peirson | 1921-5-3 | 7722 | Los Angeles | ridge between Bear Canyon and Millard Canyon, San Gabriel Mts | 1067 | Comment | ||
RSA92321 | Poa secunda var. secunda | F. W. Peirson | 1921-5-3 | 1549 | Los Angeles | Bear Canyon Ridge west of Mt. Lowe | 1219 | Comment | ||
RSA77144 | Ceanothus crassifolius | F. W. Peirson | 1921-5-12 | 4444 | Los Angeles | Santa Anita Canyon, just below Forks in trail; San Gabriel Mountains. | Comment Read comments Sep 30 2014 |
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RSA90067 | Lotus argophyllus var. argophyllus | F. W. Peirson | 1921-5-12 | 4091 | Los Angeles | Big Santa Anita Canyon, S base of San Gabriel Mts | 762 | Comment | ||
JEPS39440 | Ambrosia salsola var. salsola | F. W. Peirson | 1921-5-19 | 1316 | Los Angeles | Little Rock Cr. San Gabriel Mts., Little Rock Cr. | 944 | Comment | ||
JEPS56459 | Eriogonum pusillum | Frank W. Peirson | 1921-5-19 | 2406 | Los Angeles | Little Rock Creek San Gabriel Mountains, Little Rock Creek | Comment | |||
RSA66294 | Canbya candida | F. W. Peirson | 1921-5-19 | 2412 | Los Angeles | Little Rock Creek: north base of San Gabriel Mountains. | 1037 | Comment | ||
RSA82185 | Salazaria mexicana | F. W. Peirson | 1921-5-19 | 2730 | Los Angeles | Little Rock Creek | 945 | Comment | ||
CAS-BOT-BC53324 | Frangula californica subsp. cuspidata | Frank W. Peirson | 1921-5-20 | 4442 | Los Angeles | Little Rock Creek, San Gabriel Mts. | 975 | Comment | ||
RSA71839 | Gilia leptantha subsp. transversa | F. W. Peirson | 1921-5-20 | 4132 | Los Angeles | Little Rock Creek: north base of San Gabriel Mountains. | 1006 | Comment | ||
RSA88717 | Carex alma | F. W. Peirson | 1921-5-20 | 5371 | Los Angeles | Mojave Desert, Little Rock Creek, San Gabriel Mountains | 1067 | Comment | ||
RSA0017216 | Gilia ochroleuca subsp. bizonata | F. W. Peirson | 1921-5-20 | 4135 | Los Angeles | Little Rock Creek: north base of San Gabriel Mountains. | 1006 | Comment | ||
RSA70313 | Juncus xiphioides | F. W. Peirson | 1921-5-20 | 2418 | Los Angeles | Little Rock Creek | 1204 | Comment | ||
CAS-BOT-BC349883 | Nicolletia occidentalis | Frank W. Peirson | 1921-5-29 | 2423 | San Bernardino | Mojave Desert. Mohave Riv. | Comment | |||
RSA72199 | Oenothera californica subsp. californica | F. W. Peirson | 1921-5-29 | 2708 | San Bernardino | Almost due east of Hesperia and on Mojave River. | 884 | Comment | ||
RSA74728 | Phacelia curvipes | F. W. Peirson | 1921-5-29 | 2431 | San Bernardino | north slope of Cajon Pass | 1098 | Comment | ||
SBBG28963 | Lupinus concinnus | F. W. Peirson | 1921-5-29 | San Bernardino | summit of Cajon Pass | 1219 | Comment | |||
UC501631 | Lessingia glandulifera var. glandulifera | Frank W. Peirson | 1921-5-29 | 1262 | San Bernardino | opposite Hesperia; Mohave River | 868 | Comment | ||
UC573115 | Cryptantha pterocarya | Frank W. Peirson | 1921-5-29 | 5812 | San Bernardino | Mohave River | 883 | Comment | ||
RSA498764 | Lotus procumbens var. procumbens | F. W. Peirson | 1921-5-29 | s.n. | San Bernardino | Summit of Cajon Pass. | 1220 | Comment | ||
RSA92501 | Stylocline gnaphaloides | F. W. Peirson | 1921-5-29 | 5280 | San Bernardino | Cajon Pass | 1098 | Comment | ||
RSA97320 | Lomatium lucidum | F. W. Peirson | 1921-5-29 | 4462 | San Bernardino | Summit of Cajon Pass. | 1220 | Comment | ||
RSA93219 | Ericameria cooperi | F. W. Peirson | 1921-5-30 | 5427 | San Bernardino | Mojave River, Victorville. | 884 | Comment | ||
RSA94160 | Hulsea heterochroma | F. W. Peirson | 1921-5-30 | 2490 | San Bernardino | Going up to Lone Pine Canyon from Cajon Canyon, San Gabriel Mountains. | 991 | Comment | ||
RSA100228 | Githopsis diffusa subsp. diffusa | F. W. Peirson | 1921-6-13 | 1208 | Los Angeles | Big Santa Anita Canyon Trail, about 1.5 miles below Sturdevants. | 1067 | Comment | ||
RSA75883 | Nemophila menziesii var. integrifolia | F. W. Peirson | 1921-6-13 | 2738 | Los Angeles | Ranger s cabin, west fork of San Gabriel River. | 960 | Comment | ||
SD87809 | Githopsis diffusa subsp. diffusa | F. W. Peirson | 1921-6-13 | 1208 | Los Angeles | Big Santa Anita Trail, 1.5 miles below Sturdevant's Camp. | 1064 | Comment | ||
CAS-BOT-BC434370 | Sidotheca trilobata | Frank W. Peirson | 1921-6-14 | 1783 | Los Angeles | Tujunga Canyon, San Gabriel Mts. | 1280 | Comment | ||
JEPS50261 | Viola purpurea subsp. venosa | Frank W. Peirson | 1921-6-15 | 2491 | Los Angeles | Trail Pine Flats to Chilao (San Gabriel Mountains); San Gabriel Mountains | 1676 | Comment | ||
JEPS68011 | Plagiobothrys collinus | Frank W. Peirson | 1921-6-15 | 997 | Los Angeles | Pine Flats to Chilao; San Gabriel Mountains | 1676 | Comment | ||
RSA80745 | Cryptantha oxygona | F. W. Peirson | 1921-6-15 | 2463 | Los Angeles | Trail from Pine Flats to Chilao | 1677 | Comment | ||
PASA2282 | Antennaria dimorpha | Frank W. Peirson | 1921-6-15 | Los Angeles | Pine Flats, San Gabriel Mts. | 1676 | Comment | |||
RSA97430 | Arceuthobium occidentale | F. W. Peirson | 1921-6-15 | 2322 | Los Angeles | Chilao, San Gabriel Mountains. | 1646 | Comment | ||
CAS-BOT-BC205151 | Lupinus elatus | F. W. Peirson; Bulletin Torrey Club | 1921-6-16 | 2438 | Los Angeles | Waterman Ridge | Comment | |||
JEPS1976 | Phacelia imbricata subsp. patula | Frank W. Peirson | 1921-6-16 | 2451 | Los Angeles | Mt. Waterman Ridge San Gabriel Mountains | 2286 | Comment | ||
JEPS65121 | Lupinus elatus | Frank W. Peirson | 1921-6-16 | 2438 | Los Angeles | Waterman Ridge; San Gabriel Mts., Waterman Ridge | 2286 | Comment | ||
POM47663 | Lithophragma tenellum | F. W. Peirson | 1921-6-16 | 4690 | Los Angeles | Summit of Mt. Waterman, San Gabriel Mountains | 2317 | Comment | ||
RSA70144 | Triteleia dudleyi | F. W. Peirson | 1921-6-16 | 2458 | Los Angeles | along stream north of Mt. Waterman, San Gabriel Mountains | 1860 | Comment | ||
RSA70453 | Allium burlewii | F. W. Peirson | 1921-6-16 | 2842 | Los Angeles | north slope of Mt. Waterman | 2133 | Comment | ||
RSA74923 | Phacelia imbricata subsp. patula | F. W. Peirson | 1921-6-16 | 2451 | Los Angeles | Summit of Mt. Waterman Ridge | 2287 | Comment | ||
RSA97346 | Lomatium nevadense var. parishii | F. W. Peirson | 1921-6-16 | 4460 | Los Angeles | North slope of Mt. Waterman, San Gabriel Mts. | 1981 | Comment | ||
JEPS44248 | Drymocallis cuneifolia var. ewanii | Frank W. Peirson | 1921-6-18 | 493 a | Los Angeles | n slope of Windy Camp San Gabriel Mts., Mt. Islip (Mt. Islip) | 2255 | Comment | ||
PASA2285 | Gnaphalium chilense | Frank W. Peirson | 1921-6-19 | Los Angeles | Crystal Lake, North Fork San Gabriel River | 1676 | Comment | |||
RSA84474 | Ceratophyllum demersum | F. W. Peirson | 1921-6-19 | 2614 | Los Angeles | Crystal Lake, North Fork San Gabriel River | 1676 | Comment | ||
RSA87443 | Galium aparine | F. W. Peirson | 1921-6-19 | 1184 | Los Angeles | North Fork of San Gabriel River. | 1006 | Comment | ||
RSA0004846 | Navarretia atractyloides var. flavida | F. W. Peirson | 1921-6-20 | 2444 | Los Angeles | North Fork of San Gabriel River | 457 | Comment | ||
RSA70403 | Chamaesyce serpillifolia subsp. serpillifolia | F. W. Peirson | 1921-6-20 | 2445 | Los Angeles | North Fork of San Gabriel River | 457 | Comment | ||
RSA65163 | Dodecahema leptoceras | F. W. Peirson | 1921-6-21 | 2455 | Los Angeles | West Fork of San Gabriel River, San Gabriel Mts. | 640 | Comment | ||
PASA2761 | Stellaria longipes | F. W. Peirson | 1921-6-27 | Y 16 | Mariposa | Yosemite Valley, below Sentinal Rock | Comment | |||
PASA2834 | Draperia systyla | F. W. Peirson | 1921-6-28 | Y 32 | Mariposa | Tenaya Canyon | Comment | |||
PASA2841 | Fragaria californica | F. W. Peirson | 1921-7-1 | Y 39 | Mariposa | above Lake Merced | Comment | |||
RSA0079395 | Cryptantha muricata var. jonesii | F. W. Peirson | 1921-7-1 | 2476 | Los Angeles | Arraster Creek, north slope of San Gabriel Mountains. | 945 | Comment | ||
POM9681 | Centaurium exaltatum | F. W. Peirson | 1921-7-2 | 2482 | Los Angeles | Pallett Creek, San Gabriel Mountains. | 1098 | Comment | ||
RSA90414 | Lotus oblongifolius var. oblongifolius | F. W. Peirson | 1921-7-2 | 4080 | Los Angeles | Pallett Creek, San Gabriel Mountains | 1098 | Comment | ||
JEPS27573 | Gayophytum oligospermum | Frank W. Peirson | 1921-7-3 | 2483 | Los Angeles | Vincent Gulch San Gabriel Mountains | 1981 | Comment | ||
JEPS69712 | Gilia splendens subsp. splendens | Frank W. Peirson | 1921-7-3 | 2485 | Los Angeles | trail ne Rock Creek divide; San Gabriel Mountains, ne of Rock Creek divide | 2133 | Comment | ||
PASA2776 | Lupinus stiversii | F. W. Peirson | 1921-7-3 | Y 70 | Mariposa | above Little Yosemite | Comment | |||
RSA92277 | Layia glandulosa | F. W. Peirson | 1921-7-3 | 2778 | Los Angeles | 2 miles NE of Rock Creek Divide, N slope of San Gabriel Mts. | 2287 | Comment | ||
RSA86944 | Lupinus sparsiflorus subsp. sparsiflorus | F. W. Peirson | 1921-7-4 | 2496 | San Bernardino | 2 miles north of the summit of Canyon Pass on road to Phelan | Comment | |||
PASA2876 | Polemonium pulcherrimum | F. W. Peirson | 1921-7-7 | Y 82 | Mariposa | Ten Lakes | Comment | |||
PASA2810 | Lappula velutina | F. W. Peirson | 1921-7-9 | Y 110 | Mariposa | Ten Lakes trail | Comment | |||
JEPS44249 | Drymocallis lactea var. lactea | Frank W. Peirson | 1921-7-17 | 2678 | Los Angeles | Prairie Fork San Gabriel Mts., Prairie Fork | 2057 | Comment | ||
RSA69308 | Pyrola picta | F. W. Peirson | 1921-7-17 | 2512 | Los Angeles | Prairie Fork of San Gabriel River, San Gabriel Mountains. | 2134 | Comment | ||
JEPS43881 | Epilobium glaberrimum subsp. glaberrimum | Frank W. Peirson | 1921-7-17 | 2499 | Los Angeles | Prairie Fork <of> San Gabriel Riv. San Gabriel Mountains | 2011 | Comment | ||
PASA987 | Castilleja montana | Frank W. Peirson | 1921-7-17 | Los Angeles | Praire Fork of the San Gabriel River | 2133 | Comment | |||
RSA95281 | Rhamnus tomentella subsp. cuspidata | F. W. Peirson | 1921-7-17 | 4308 | Los Angeles | Prairie Fork of San Gabriel River, San Gabriel Mountains. | 2012 | Comment | ||
PASA2796 | Fritillaria pinetorum | F. W. Peirson | 1921-7-18 | Los Angeles | San Gabriel Mtns., Mt. Williamson | 2316 | Comment | |||
RSA77156 | Ceanothus leucodermis | F. W. Peirson | 1921-7-18 | 4446 | San Bernardino | Lytle Creek, San Gabriel Mts. | 1677 | Comment | ||
RSA80763 | Mimulus pilosus | F. W. Peirson | 1921-7-19 | 2514 | Los Angeles | San Gabriel Mts: junction of Coldwater Canyon and Cattle Canyon | 793 | Comment | ||
JEPS36685 | Lactuca serriola | F. W. Peirson | 1921-7-20 | 1488 | Los Angeles | San Gabriel River San Gabriel Mts., San Gabriel River | 457 | Comment | ||
CAS-BOT-BC267841 | Eriogonum umbellatum var. chlorothamnus | Frank W. Peirson | 1921-8-5 | 2618 | Inyo | Big Pine Creek | 2590 | Comment | ||
CAS-BOT-BC339814 | Solidago multiradiata | Frank W. Peirson | 1921-8-5 | 2637 | Inyo | Big Pine Creek | 2286 | Comment | ||
RSA68703 | Lilium kelleyanum | Frank W. Peirson | 1921-8-5 | 1678 | Inyo | Big Pine Creek, Sierra Nevada. | 2896 | Comment | ||
PASA1319 | Arenaria capillaris | Frank W. Peirson | 1921-8-5 | Inyo | Big Pine Creek | 2590 | Comment | |||
PASA1498 | Eriogonum spergulinum | Frank W. Peirson | 1921-8-6 | Inyo | Near Coyote Pass | 3200 | Comment | |||
RSA64726 | Eriogonum spergulinum var. reddingianum | F. W. Peirson | 1921-8-6 | 1728 | Inyo | Camp near Coyote Pass | 3201 | Comment | ||
RSA65668 | Montia chamissoi | F. W. Peirson | 1921-8-6 | 2622 | Inyo | Camp near Coyote Pass | 3201 | Comment | ||
RSA93184 | Machaeranthera canescens | F. W. Peirson | 1921-8-6 | 2526 | Inyo | Trail out of Big Pine to Baker Creek, Sierra Nevada | 3125 | Comment | ||
RSA90613 | Pyrrocoma apargioides | F. W. Peirson | 1921-8-7 | 1237 | Inyo | East slope of Piute Pass, Sierra Nevada. | 3354 | Comment | ||
RSA93656 | Antennaria rosea | F. W. Peirson | 1921-8-7 | 2636 | Inyo | North fork of Bishop Creek. | 3049 | Comment | ||
RSA84398 | Mitella breweri | F. W. Peirson | 1921-8-9 | 2625 | Fresno | Aspen Meadow. S Fork of the San Joaquin River. Sierra Nevada. | 2515 | Comment | ||
RSA80845 | Pedicularis attollens | F. W. Peirson | 1921-8-10 | 1170 | Fresno | Evolution Creek, Sierra Nevada | 2957 | Comment | ||
RSA85758 | Potentilla glandulosa var. nevadensis | F. W. Peirson | 1921-8-10 | 1973 | Fresno | Evolution Creek, Sierra Nevada Creek. | 2957 | Comment | ||
RSA87222 | Lupinus pratensis | F. W. Peirson | 1921-8-10 | 2554 | Fresno | Evolution Creek, Sierra Nevada | 2957 | Comment | ||
RSA94996 | Agoseris aurantiaca var. aurantiaca | F. W. Peirson | 1921-8-11 | s.n. | Fresno | SW slope of Mt. Darwin, near Evolution Lake, Sierra Nevada | 3506 | Comment | ||
RSA85808 | Ivesia muirii | F. W. Peirson | 1921-8-12 | 5256 | Fresno | N slope of Muir Pass, Sierra Nevada. | 3582 | Comment | ||
RSA94722 | Senecio fremontii | F. W. Peirson | 1921-8-12 | 1438 | Fresno | Le Conte Canyon, middle fork of Kings River, Sierra Nevada. | 3049 | Comment | ||
RSA68684 | Zigadenus venenosus var. venenosus | Frank W. Peirson | 1921-8-13 | 2821 | Fresno | Grouse Meadows, Middle Fork of Kings River, Sierra Nevada. | 2515 | Comment | ||
RSA69235 | Gaultheria humifusa | F. W. Peirson | 1921-8-13 | 2530 | Fresno | Grouse Meadows. | 2515 | Comment | ||
UCD86683 | Muhlenbergia filiformis | F. W. Peirson | 1921-8-16 | 2565 | Fresno | Sierra Nevada. South fork of Kings River. | 2895 | Comment | ||
CAS-BOT-BC77771 | Woodsia scopulina | Frank W. Peirson | 1921-8-18 | 2837 | Tulare | Taboose Pass, Sierra Nevada | 3200 | Comment | ||
PASA1351 | Raillardella argentea | Frank W. Peirson | 1921-8-18 | 2632 | Fresno | Taboose Pass, west slope | 3505 | Comment | ||
RSA0129587 | Arabis lemmonii var. depauperata | F. W. Peirson | 1921-8-19 | 2536 | Inyo | Taboose Pass, Sierra Nevada. | 1982 | Comment | ||
CAS-BOT-BC106135 | Brickellia nevinii | Frank W. Peirson | 1921-10-22 | 2599 | Los Angeles | Head of Eaton Canyon [Canon] - San Gabriel Mts. | 1645 | Comment | ||
RSA85550 | Cheilanthes covillei | F. W. Peirson | 1921-10-22 | 4297 | Los Angeles | San Gabriel Mountains, trail from San Gabriel Peak to Mt. Wilson. | 1524 | Comment | ||
JEPS19123 | Isocoma menziesii var. vernonioides | Frank W. Peirson | 1921-11-11 | 2596 | Los Angeles | Saugus | Comment | |||
JEPS56524 | Eriogonum roseum | Frank W. Peirson | 1921-11-11 | 2719 | Los Angeles | Elizabeth Lake | Comment | |||
PASA1740 | Haplopappus palmeri var. pachylepis | Frank W. Peirson | 1921-11-11 | Los Angeles | Lower part of Bouquet Canyon | 426 | Comment | |||
RSA66842 | Caulanthus heterophyllus | F. W. Peirson | 1922-4-4 | 2911 | San Diego | Torrey Pines. | Comment | |||
RSA67365 | Guillenia lasiophylla | F. W. Peirson | 1922-4-9 | 2918 | Riverside | Andreas Canyon near Palm Springs, Coachella Valley. | 671 | Comment | ||
RSA74175 | Phacelia ambigua | F. W. Peirson | 1922-4-9 | 4126 | Riverside | Palm Canyon Region, near Palm Springs. | Comment | |||
UC555405 | Lotus rigidus | Frank W. Peirson | 1922-4-9 | Riverside | Andreas Canyon | Comment | ||||
RSA92525 | Bahiopsis parishii | F. W. Peirson | 1922-4-9 | 4148 | Riverside | Murray Canyon, near Palm Springs | Comment | |||
PASA2659 | Arabis holboellii var. fendleri | Frank W. Peirson | 1922-4-10 | 2869 | Riverside | Murray Canyon, Palm Springs Region | 609 | Comment | ||
RSA95371 | Sphaeralcea ambigua subsp. ambigua | F. W. Peirson | 1922-4-11 | 4106 | Riverside | Deep Canyon Wash, southwest of Indio | 244 | Comment | ||
RSA399168 | Oligomeris linifolia | F. W. Peirson | 1922-4-12 | s.n. | Imperial | 28 miles south of Coachella. | Comment Read comments Jul 27 2007 |
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RSA65199 | Chorizanthe brevicornu var. brevicornu | F. W. Peirson | 1922-4-12 | 4213 | Imperial | 28 miles south of Coachella. | Comment | |||
RSA69690 | Mentzelia desertorum | F. W. Peirson | 1922-4-12 | 751 | Riverside | along boulevard, 18 mi. southeast of Coachella. | Comment | |||
RSA80686 | Oligomeris linifolia | F. W. Peirson | 1922-4-12 | 1925 | Imperial | 15 miles south of Coachella. | Comment Read comments Apr 1 2013 |
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RSA90765 | Astragalus crotalariae | F. W. Peirson | 1922-4-12 | 2904 | Imperial | 30 miles south of Coachella. | Comment Read comments Oct 8 2011 |
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JEPS54840 | Astragalus palmeri | Frank W. Peirson | 1922-4-13 | 2899 | San Diego | Mountain Springs grade | 1066 | Comment | ||
PASA954 | Senecio mohavensis | Frank W. Peirson | 1922-4-13 | Imperial | Moutain Springs Grade | 365 | Comment | |||
RSA71805 | Gilia stellata | F. W. Peirson | 1922-4-13 | 2861 | San Diego | Mountain Springs, eastern San Diego County. | Comment | |||
RSA79885 | Datura discolor | F. W. Peirson | 1922-4-13 | 2897 | Imperial | Foot of Mountain Springs Grade, w. Imperial County. | Comment | |||
RSA79958 | Cryptantha micrantha var. lepida | F. W. Peirson | 1922-4-13 | 2885 | San Diego | Mountain Springs grade east of Jacumba; eastern San Diego | 1067 | Comment | ||
RSA92224 | Porophyllum gracile | F. W. Peirson | 1922-4-13 | 2882 | Imperial | Foot of Mountain Springs Grade, w. Imperial County. | Comment | |||
RSA95058 | Rafinesquia neomexicana | F. W. Peirson | 1922-4-13 | 2910 | Imperial | Mountain Springs, western Imperial County on El Centro to San Diego highway. | 793 | Comment | ||
RSA70857 | Xylococcus bicolor | F. W. Peirson | 1922-4-14 | 830 | San Diego | Torrey Pines Park near San Diego | Comment | |||
RSA77082 | Cneoridium dumosum | F. W. Peirson | 1922-4-14 | 2030 | San Diego | Torrey Pines, | Comment | |||
PASA2175 | Baeria chrysostoma var. gracilis | Frank W. Peirson | 1922-4-29 | Riverside | Lake Elsinore | 374 | Comment | |||
PASA628 | Juncus bufonius | Frank W. Peirson | 1922-4-29 | Riverside | South side Lake Elsinore | Comment | ||||
POM317055 | Lupinus bicolor subsp. microphyllus | F. W. Peirson | 1922-4-29 | 5224 | Riverside | South of Lake Elsinore. | 381 | Comment | ||
RSA428780 | Solanum umbelliferum | F. W. Peirson | 1922-4-29 | 4487 | Riverside | Leach Canyon. (base of Santa Ana Mts., near Elsinore) | 534 | Comment | ||
UCR208881 | Astragalus didymocarpus var. dispermus | F. W. Peirson | 1922-4-29 | 2939 | Riverside | Peninsular Range, Dripping Spring, near Temecula River | 457 | Comment | ||
RSA90742 | Astragalus pomonensis | F. W. Peirson | 1922-4-29 | 2957 | Riverside | Roadside W of Lake Elsinore. | 381 | Comment | ||
RSA91079 | Trifolium depauperatum var. truncatum | F. W. Peirson | 1922-4-29 | 2938 | Riverside | Mud flat south of Elsinore | Comment | |||
RSA92387 | Eriophyllum multicaule | F. W. Peirson | 1922-4-29 | 2927 | Riverside | Road to Leach Canyon 1 mile N of Lake Elsinore. | Comment | |||
RSA91236 | Vicia sativa subsp. nigra | F. W. Peirson | 1922-5-7 | 2018 | Los Angeles | New York Drive at Fair Oaks Reservoir, Altadena. | Comment | |||
JEPS44626 | Prunus fasciculata | Frank W. Peirson | 1922-5-12 | 1987 | San Bernardino | Cajon Pass; San Gabriel Range, Cajon Pass | 1981 | Comment | ||
PASA2205 | Dyssodia cooperi | Frank W. Peirson | 1922-5-12 | San Bernardino | 3 miles south of Barstow on the Victoryville Road | Comment Read comments Oct 23 2014 |
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RSA70164 | Dichelostemma capitatum subsp. pauciflorum | F. W. Peirson | 1922-5-12 | 2993 | San Bernardino | 22 miles north of Barstow, | Comment | |||
RSA766476 | Eriogonum trichopes | F. W. Peirson | 1922-5-12 | 2975 | San Bernardino | 10 miles north of Barstow. | Comment | |||
CAS-BOT-BC376677 | Syntrichopappus fremontii | F. W. Peirson | 1922-5-12 | 4243 | San Bernardino | Desert 22 miles north of Barstow | Comment | |||
RSA94638 | Syntrichopappus fremontii | F. W. Peirson | 1922-5-12 | 4243 | San Bernardino | 22 miles north of Barstow, | Comment | |||
JEPS56873 | Eriogonum heermannii var. argense | F. W. Peirson | 1922-5-13 | 2963 | San Bernardino | Pilot Knob Mohave Desert | 1524 | Comment | ||
RSA85184 | Ephedra viridis | F. W. Peirson | 1922-5-13 | 1526 | San Bernardino | Summit of Pilot Knob, northwestern San Bernardino County | 1677 | Comment | ||
RSA0091579 | Amsinckia vernicosa | F. W. Peirson | 1922-5-13 | 2978 | San Bernardino | North slope of Pilot Knob, northwestern Mojave Desert. | 1296 | Comment | ||
RSA91569 | Trifolium gracilentum | F. W. Peirson | 1922-5-13 | 2969 | San Bernardino | Granite Wells, Mojave Desert. | Comment | |||
RSA93899 | Encelia actoni | F. W. Peirson | 1922-5-13 | 4145 | San Bernardino | 2 miles north of Granite Wells, Mojave Desert. | Comment | |||
RSA94419 | Eriophyllum ambiguum var. paleaceum | F. W. Peirson | 1922-5-13 | 2971 | San Bernardino | Copper City, Mojave Desert. | 1220 | Comment | ||
CAS-BOT-BC211034 | Fraxinus velutina | Frank W. Peirson | 1922-5-14 | 2994 | San Bernardino | Mojave Desert. Between Oro Grande & Bridge. Along Mojave Riv. | Comment | |||
POM14072 | Cymopterus aboriginum | F. W. Peirson, I. M. Johnston | 1922-5-14 | 6540 | San Bernardino | Northeast slope of Pilot Knob | Comment | |||
RSA73070 | Linanthus demissus | F. W. Peirson | 1922-5-14 | 2967 | San Bernardino | In so-called Devil's Kitchen; half way between Barstow and Victorville. | Comment | |||
RSA77070 | Langloisia setosissima subsp. punctata | F. W. Peirson | 1922-5-14 | 3009 | San Bernardino | Half between Barstow and Victorville. | Comment | |||
RSA91371 | Psorothamnus arborescens | F. W. Peirson | 1922-5-14 | 2991 | San Bernardino | 17 miles south of Barstow | Comment | |||
CAS-BOT-BC330345 | Pentachaeta aurea | F. W. Peirson | 1922-5-19 | 3037 | Riverside | Road along San Jacinto River, San Jacinto Mts. | 1143 | Comment | ||
PASA2173 | Baeria aristata | Frank W. Peirson | 1922-5-19 | Riverside | 5 miles northeast of Murietta | 457 | Comment | |||
PASA2518 | Ceanothus tomentosus | Frank W. Peirson | 1922-5-19 | Orange | Small canyon heading eastward from the Santa Ana Canyon at 400 ft. | Comment | ||||
RSA65259 | Chorizanthe polygonoides var. longispina | F. W. Peirson | 1922-5-19 | 3025 | Riverside | 3 miles northeast of Murrieta. | Comment | |||
RSA70039 | Arthrocnemum subterminale | F. W. Peirson | 1922-5-19 | 3068 | Riverside | 2 miles southeast of Perris | Comment | |||
RSA92370 | Orcuttia californica | F. W. Peirson | 1922-5-19 | 3020 | Riverside | In Menifee Valley, 10 miles northeast of Murrieta | 427 | Comment Read comments Apr 3 2011 |
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RSA92991 | Lasthenia coronaria | F. W. Peirson | 1922-5-19 | 4519 | Riverside | 5 miles NE of Murrieta | 457 | Comment | ||
RSA93281 | Pentachaeta aurea | F. W. Peirson | 1922-5-19 | 3037 | Riverside | San Jacinto River | 1143 | Comment | ||
RSA67108 | Myosurus minimus var. filiformis | F. W. Peirson | 1922-5-20 | 3035 | Riverside | Hemet Valley, San Jacinto Mts. | 1387 | Comment | ||
RSA73087 | Linanthus dianthiflorus subsp. dianthiflorus | F. W. Peirson | 1922-5-20 | 4471 | Riverside | Hemet Valley, San Jacinto Mountains. | 1371 | Comment | ||
RSA86362 | Pinus quadrifolia | F. W. Peirson | 1922-5-20 | 3059 | Riverside | Hemet Valley, San Jacinto Mts. | 1494 | Comment | ||
RSA64889 | Oxytheca emarginata | F. W. Peirson | 1922-5-21 | 3034 | Riverside | Hemet Valley, San Jacinto Mts. | 1372 | Comment | ||
RSA66236 | Platystemon californicus | F. W. Peirson | 1922-5-21 | 3033 | Riverside | Along east side of Hemet Valley | 1357 | Comment | ||
RSA66779 | Thysanocarpus curvipes var. curvipes | F. W. Peirson | 1922-5-21 | 3017 | Riverside | Hemet Valley. [Hemet Valley = Garner Valley -SDW] | 1338 | Comment | ||
RSA79805 | Penstemon californicus | F. W. Peirson | 1922-5-21 | 3048 | Riverside | Hemet Valley, San Jacinto Mts. | 1372 | Comment | ||
CAS-BOT-BC185858 | Vulpia octoflora var. hirtella | Frank W. Peirson | 1922-5-30 | 4333 | Los Angeles | West spur of Mt. Lowe, San Gabriel Mts. | 1371 | Comment | ||
CAS-BOT-BC209704 | Ribes quercetorum | Frank W. Peirson | 1922-6-3 | 2548 | Los Angeles | East of Oakgrove Canon [Canyon] Divide, Liebre Mts. | Comment | |||
RSA73317 | Clarkia cylindrica subsp. cylindrica | F. W. Peirson | 1922-6-3 | 771 | Los Angeles | North slope of Liebre Mts. | 1220 | Comment | ||
RSA73356 | Clarkia rhomboidea | F. W. Peirson | 1922-6-3 | 3087 | Los Angeles | At Collins Ranch, north slope of Liebre Mts. | 1143 | Comment | ||
RSA84378 | Lithophragma bolanderi | F. W. Peirson | 1922-6-3 | 3079 | Los Angeles | At Collins Ranch, north slope of Liebre Mts. | 1143 | Comment | ||
JEPS61715 | Calochortus splendens | Frank W. Peirson | 1922-6-4 | 3089 | Los Angeles | Soledad Canyon San Gabriel Mountains | 457 | Comment | ||
JEPS65131 | Lupinus excubitus var. hallii | F. W. Peirson | 1922-6-4 | 3090 | Los Angeles | San Gabriel Mountain, Soledad Canyon Soledad Canyon; San Gabriel Mountain, Soledad Canyon | 685 | Comment | ||
PASA625 | Juncus balticus | Frank W. Peirson | 1922-6-4 | Los Angeles | Soledad Canyon | 457 | Comment | |||
RSA366029 | Scirpus microcarpus | F. W. Peirson | 1922-6-20 | S- 097 | San Bernardino | 4 miles SE of San Bernardino. | Comment | |||
CAS-BOT-BC196824 | Lupinus breweri var. grandiflorus | F. W. Peirson | 1922-6-21 | 3129 | San Bernardino | Santa Ana River, San Bernardino Mts. | 2164 | Comment | ||
RSA70317 | Juncus tiehmii | F. W. Peirson | 1922-6-21 | 3105 | San Bernardino | East of Big Meadows, upper Santa Ana River, San Bernardino Mountains | 2165 | Comment | ||
SD87697 | Carex douglasii | F. W. Peirson | 1922-6-21 | San Bernardino | San Bernardino Mountains; east of Big Meadow; dry ground under pines. | 2164 | Comment Read comments Jul 11 2010 |
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RSA90223 | Astragalus douglasii | F. W. Peirson | 1922-6-21 | 4754 | San Bernardino | Santa Ana River | 2012 | Comment | ||
RSA97445 | Phoradendron juniperinum subsp. juniperinum | F. W. Peirson | 1922-6-21 | 3142 | San Bernardino | Cienega Seca Creek. | 2134 | Comment | ||
CAS-BOT-BC391196 | Stellaria longipes subsp. longipes | Frank W. Peirson | 1922-6-22 | 3115 | San Bernardino | South Fork Santa Ana Meadows, San Bernardino Mts. | 2377 | Comment | ||
CAS-BOT-BC79943 | Antennaria microphylla | Frank W. Peirson | 1922-6-22 | 4231 | San Bernardino | South Fork Santa Ana River. San Bernardino Mts. | 2346 | Comment | ||
PASA1040 | Veronica serpyllifolia var. humifusa | Frank W. Peirson | 1922-6-22 | San Bernardino | South Fork Santa Ana Meadows, San Bernardino Mts. | 2346 | Comment | |||
PASA1284 | Stellaria longipes | Frank W. Peirson | 1922-6-22 | San Bernardino | South Fork Santa Ana River, San Bernardino Mts. | 2377 | Comment | |||
SD87847 | Boechera retrofracta | F. W. Peirson | 1922-6-22 | 3135 | San Bernardino | San Bernardino Mountains, South Fork of Santa Ana River | 2345 | Comment | ||
RSA65771 | Echinocereus engelmannii var. engelmannii | F. W. Peirson | 1922-6-23 | 3146 | San Bernardino | Creek leading up to a divide over Holocomb Creek, San Bernardino Mountains | 2439 | Comment | ||
RSA75942 | Phacelia curvipes | F. W. Peirson | 1922-6-23 | 3130 | San Bernardino | Holcomb Creek, San Bernardino Mts | 2515 | Comment | ||
RSA95384 | Sidalcea malviflora subsp. dolosa | F. W. Peirson | 1922-6-23 | 2056 | San Bernardino | Upper Holcomb Creek | 2363 | Comment | ||
RSA92303 | Poa fendleriana | F. W. Peirson | 1922-6-23 | 4199 | San Bernardino | Summit of Sugarloaf Peak, San Bernardino Mts | 2988 | Comment | ||
CAS-BOT-BC439727 | Claytonia parviflora subsp. viridis | Frank W. Peirson | 1922-6-24 | 604 | San Bernardino | San Bernardino Mts. Santa Ana Riv. | 1920 | Comment | ||
RSA65652 | Claytonia parviflora subsp. tenuifolia | F. W. Peirson | 1922-6-24 | 604 | San Bernardino | Santa Ana River | 1921 | Comment | ||
PASA1726 | Erigeron divergens | Frank W. Peirson | 1922-6-25 | San Bernardino | Barton Flats, San Bernardino Mts. | 1981 | Comment | |||
POM47614 | Plagiobothrys collinus var. ursinus | F. W. Peirson | 1922-6-25 | 3118 | San Bernardino | Barton Flats | Comment | |||
RSA90955 | Erigeron divergens | F. W. Peirson | 1922-6-25 | 5294 | San Bernardino | Near Barton Flats, San Bernardino Mountains. | 1982 | Comment | ||
POM11238 | Penstemon speciosus | F. W. Peirson | 1922-7-5 | 3193 | Los Angeles | Big Pines, Swartout [Swarthout] Valley, San Gabriel Mountains. | Comment | |||
RSA67145 | Galium parishii | F. W. Peirson | 1922-7-5 | 3158 | Los Angeles | North of Big Pines, sometimes called La Montaine, San Gabriel Mountains | 2256 | Comment | ||
RSA70526 | Calochortus invenustus | Frank W. Peirson | 1922-7-5 | 3188 | Los Angeles | Mountain north of Big Pines | 2286 | Comment | ||
RSA72142 | Gayophytum oligospermum | F. W. Peirson | 1922-7-5 | 4455 | Los Angeles | Big Pines. Northeast portion of San Gabriel Mountains. | 2104 | Comment | ||
RSA79870 | Penstemon speciosus | F. W. Peirson | 1922-7-5 | 3193 | Los Angeles | Big Pines Meadow, north side of San Gabriel Mountains | 2073 | Comment | ||
UCR208206 | Potentilla glandulosa subsp. nevadensis | F. W. Peirson | 1922-7-5 | 5249 | Los Angeles | San Gabriel Mountains, Big Pines, Swarthout Valley | Comment | |||
JEPS8875 | Chaenactis xantiana | Frank W. Peirson | 1922-7-5 | 3163 | Los Angeles | n of Big Pines (along Le Montaine Creek, from about 7000 ft to near the summit of ridge immeditaely facing the Mohave Desert); San Gabriel Mountains, Le Montaine Creek | 2209 | Comment | ||
RSA82519 | Limosella acaulis | F. W. Peirson | 1922-7-5 | 3155 | Los Angeles | Big Pines, north slope of San Gabriel Mtns. | 1860 | Comment | ||
RSA94398 | Chaenactis xantiana | F. W. Peirson | 1922-7-5 | 3163 | Los Angeles | Summit of Le Montaine, north of Big Pines, north side of San Gabriel Mountains | 2209 | Comment | ||
RSA97120 | Cornus sericea subsp. sericea | F. W. Peirson | 1922-7-5 | 3186 | San Bernardino | 1.5 miles east of Big Pines, Swartout Valley (San Gabriel Mts.) | 1981 | Comment | ||
JEPS62190 | Veratrum californicum var. californicum | Frank W. Peirson | 1922-7-6 | 3190 | Los Angeles | Big Pine Meadows San Gabriel Mountians | 2087 | Comment | ||
RSA70261 | Juncus macrandrus | F. W. Peirson | 1922-7-6 | 3180 | Los Angeles | Big Pines Meadow, Swartout Valley Region, San Gabriel Mountains. | 2088 | Comment | ||
CAS-BOT-BC499744 | Orobanche californica subsp. feudgei | Frank W. Peirson | 1922-7-6 | s.n. | Unknown | Los Angeles or San Bernardino Co [ridge is in both]: Blue Ridge | 2438 | Comment | ||
RSA65820 | Descurainia pinnata subsp. menziesii | F. W. Peirson | 1922-7-6 | 5329 | Los Angeles | Big Pines Camp | 2088 | Comment | ||
RSA81463 | Castilleja applegatei subsp. martinii | F. W. Peirson | 1922-7-6 | 3182 | Los Angeles | Covering large areas of Blue Ridge, east end of San Gabriel Mts. near line between Los Angeles and San Bernardino counties. | 2439 | Comment | ||
JEPS36926 | Artemisia ludoviciana subsp. incompta | F. W. Peirson | 1922-7-7 | 3197 | Los Angeles | Rangers Cabin San Gabriel Mts., Swartout Valley | 1798 | Comment | ||
RSA70052 | Epipactis gigantea | Frank W. Peirson | 1922-7-7 | 5340 | San Bernardino | Rangers Cabin, Swarthout Valley, north side of San Gabriel Mountains/ W San Bernardino County. | 1799 | Comment | ||
POM13525 | Centrostegia thurberi | F. W. Peirson | 1922-7-7 | 3172 | Los Angeles | Sheep Creek. North base of San Gabriel Mountains. | 1448 | Comment | ||
UC219126 | Camelina microcarpa | F. W. Peirson | 1922-7-7 | 3181 | Los Angeles | San Gabriel Mountains, Swartout Valley, Ranger's Cabin Swartout Valley; San Gabriel Mountains, , Ranger's Cabin | 1798 | Comment | ||
RSA68618 | Calochortus invenustus | Frank W. Peirson | 1922-7-18 | s.n. | San Bernardino | Kelly's Cabin, Ontario Ridge, San Gabriel Mountains, west San Bernardino County. | 2470 | Comment | ||
RSA72343 | Epilobium canum subsp. latifolium | F. W. Peirson | 1922-7-18 | 4115 | San Bernardino | Rocky outcrop along south edge of Ontario Peak Ridge. San Gabriel Mountains | 2591 | Comment | ||
RSA85779 | Drymocallis glandulosa var. reflexa | F. W. Peirson | 1922-7-18 | 4181 | San Bernardino | Icehouse Canyon, San Gabriel Mountains | 2317 | Comment | ||
CAS-BOT-BC116601 | Carex subfusca | Frank Warrington Peirson | 1922-7-21 | 4267 | Los Angeles | North slope of Baldy San Gabriel Mts. | 2987 | Comment | ||
PASA427 | Rhamnus tomentella | Frank W. Peirson | 1922-7-29 | Ventura | Seymour Creek, Mt. Pinos Region | 1828 | Comment | |||
POM13658 | Potentilla biennis | F. W. Peirson | 1922-7-29 | 3236 | Ventura | North Fork of Seymour Creek, Mt Pinos | 1905 | Comment | ||
RSA448210 | Sidalcea malviflora subsp. sparsifolia | F. W. Peirson | 1922-7-29 | 4105 | Ventura | North Fork of Seymour Creek, Mt Pinos | 1905 | Comment | ||
RSA69683 | Mentzelia montana | F. W. Peirson | 1922-7-29 | 3229 | Ventura | Seymour Creek, Mt. Pinos | 1951 | Comment | ||
RSA70416 | Arctostaphylos parryana | F. W. Peirson | 1922-7-29 | 4725 | Ventura | Seymour Creek, Mt Pinos | 1829 | Comment | ||
RSA79785 | Keckiella breviflora | F. W. Peirson | 1922-7-29 | 3237 | Ventura | Seymour Creek, Mt. Pinos. | 1829 | Comment | ||
RSA84230 | Monardella linoides subsp. linoides | F. W. Peirson | 1922-7-29 | 3216 | Ventura | Seymour Creek, Mt. Pinos | 1799 | Comment | ||
SD87632 | Cryptantha microstachys | F. W. Peirson | 1922-7-29 | 3234 | Ventura | Seymour Creek, Mount Pinos | 1950 | Comment | ||
RSA91747 | Muhlenbergia rigens | F. W. Peirson | 1922-7-29 | 4326 | Ventura | Seymour Creek, Mt Pinos | 1829 | Comment | ||
RSA92185 | Lagophylla ramosissima | F. W. Peirson | 1922-7-29 | 1359 | Los Angeles | grade SE of Quail Lake | 1067 | Comment | ||
RSA93907 | Iva axillaris | F. W. Peirson | 1922-7-29 | 4235 | Ventura | Seymour Creek, Mt. Pinos | 1799 | Comment | ||
PASA2393 | Clematis ligusticifolia | Frank W. Peirson | 1922-7-30 | Ventura | Seymour Creek, Mt. Pinos Region | 1828 | Comment | |||
UCR66533 | Phlox douglasii | F. W. Peirson | 1922-7-30 | 3563 | Ventura | Mt. Pinos | 2652 | Comment | ||
POM12573 | Ivesia santolinoides | F. W. Peirson | 1922-7-30 | 3233 | Ventura | Mount Pinos | 2210 | Comment | ||
RSA71914 | Navarretia capillaris | F. W. Peirson | 1922-7-30 | 3224 | Ventura | Mt. Pinos. | 2317 | Comment | ||
RSA72158 | Gayophytum racemosum | F. W. Peirson | 1922-7-30 | 3240 | Ventura | Mt. Pinos. | 2561 | Comment | ||
RSA91251 | Lupinus breweri var. bryoides | F. W. Peirson | 1922-7-30 | 4422 | Ventura | Mt. Pinos. | 2439 | Comment | ||
SD87542 | Navarretia capillaris | F. W. Peirson | 1922-7-30 | 3224 | Ventura | Mt. Pinos, dry stream depressions and about cienegas | 2316 | Comment | ||
SD87643 | Eriogonum spergulinum var. reddingianum | F. W. Peirson | 1922-7-30 | 257 b | Unknown | Mt. Pinos Region | 2362 | Comment | ||
CAS-BOT-BC344246 | Madia elegans | Frank W. Peirson | 1922-7-31 | 4240 | Ventura | Seymour Creek, Mt. Pinos Region | 1828 | Comment | ||
RSA66043 | Eriogonum baileyi var. baileyi | F. W. Peirson | 1922-7-31 | 3243 | Ventura | Seymour Creek. | 1829 | Comment | ||
POM12575 | Cyperus rotundus | F. W. Peirson | 1922-8-1 | 3265 | Los Angeles | Pasadena, High school grounds | Comment | |||
RSA0101677 | Botrychium simplex var. simplex | Frank W. Peirson | 1922-8-22 | 3272 | San Bernardino | South Fork of Santa Ana River, San Bernardino Mountains. | 2560 | Comment | ||
JEPS41301 | Erigeron aphanactis var. congestus | Frank W. Peirson | 1922-8-23 | San Bernardino | Summit San Gorgonio Peak | 3474 | Comment | |||
RSA84360A | Ranunculus oxynotus | F. W. Peirson | 1922-8-23 | 4172 | San Bernardino | Summit of Mount San Gorgonio | 3476 | Comment | ||
RSA88813 | Carex fracta | F. W. Peirson | 1922-8-25 | 3279 | San Bernardino | South Fork of Santa Ana River, San Bernardino Mountains. | 2348 | Comment | ||
RSA69986 | Mirabilis pumila | F. W. Peirson | 1922-8-26 | 5217 | San Bernardino | Cienega Seca Creek | 2378 | Comment | ||
CAS-BOT-BC17374 | Arabis pycnocarpa var. pycnocarpa | Frank W. Peirson | 1922-8-27 | 5326 | San Bernardino | San Bernardino Mountains. Santa Ana River. | 1935 | Comment | ||
RSA85613 | Potentilla biennis | F. W. Peirson | 1922-8-27 | 4182 | San Bernardino | Banks of Santa Ana River about 1/4 mile above the South Fork | 1936 | Comment | ||
RSA92086 | Eleocharis bella | F. W. Peirson | 1922-8-27 | 3350 | San Bernardino | Barton Flats, San Bernardino Mountains. | 1982 | Comment | ||
CAS-BOT-BC100416 | Brickellia californica | Frank W. Peirson | 1922-9-14 | 4732 | Los Angeles | Cascade [Canon] Canyon, San Antonio Region | 1402 | Comment | ||
RSA77509 | Aralia californica | F. W. Peirson | 1922-9-14 | 4463 | San Bernardino | Cascade Canyon, fork of San Antonio Canyon | 1371 | Comment | ||
RSA453237 | Prunus fremontii | F. W. Peirson | 1922-12-7 | s.n. | Riverside | Andreas Canyon. | 610 | Comment | ||
CAS-BOT-BC299541 | Ericameria paniculata | Frank W. Peirson | 1922-12-26 | 3331 | Riverside | Cabazon old road, Colorado Desert | Comment | |||
RSA82390 | Salvia vaseyi | F. W. Peirson | 1922-12-27 | 4060 | Riverside | On rough mountain slope between two forks of Andreas Canyon, near Palm Springs | 610 | Comment | ||
RSA85538 | Cheilanthes viscida | F. W. Peirson | 1922-12-27 | 4295 | Riverside | On rough mountain slope between two forks of Andreas Canyon, near Palm Springs | 609 | Comment | ||
RSA86343 | Juniperus californica | F. W. Peirson | 1922-12-27 | 3332 | Riverside | Between forks of Andreas Canyon, near Palm Springs | 609 | Comment | ||
RSA91320 | Lupinus longifolius | F. W. Peirson | 1923-2-10 | 543 | Los Angeles | Laurel Canyon, Santa Monica Mts. | Comment | |||
RSA69491 | Mirabilis laevis var. crassifolia | F. W. Peirson | 1923-3-3 | 5220 | San Bernardino | Rough land east of Mentone. | Comment | |||
RSA91201 | Lupinus excubitus var. hallii | F. W. Peirson | 1923-3-23 | 4424 | San Bernardino | 1 mile east of Mentone. | Comment | |||
RSA92647 | Salix lasiolepis | F. W. Peirson | 1923-3-23 | 4293 | San Bernardino | River crossing about 4 miles southeast of San Bernardino. | Comment | |||
RSA73085 | Linanthus dianthiflorus subsp. dianthiflorus | F. W. Peirson | 1923-3-25 | 3369 | Orange | Aliso Creek, near Laguna Beach. | Comment | |||
RSA82293 | Scutellaria tuberosa | F. W. Peirson | 1923-3-25 | 3377 | Orange | Aliso Creek, near Laguna Beach. Near summit of a ridge about 200 ft. above the sea. | 61 | Comment | ||
POM175540 | Zigadenus venenosus var. venenosus | Frank W. Peirson | 1923-3-26 | 4102 | San Diego | 1 mile South of Torrey Pines. La Jolla. | Comment | |||
POM175545 | Viguiera laciniata | F. W. Peirson | 1923-3-26 | 3364 | San Diego | 4 miles south of San Onofre | Comment | |||
RSA70559 | Croton californicus | F. W. Peirson | 1923-3-26 | 4438 | San Diego | Near Encinitas. | Comment | |||
PASA2172 | Amblyopappus pusillus | Frank W. Peirson | 1923-3-27 | San Diego | Imperial Beach | Comment | ||||
PASA2554 | Delphinium parryi | Frank W. Peirson | 1923-3-27 | 3406 | San Diego | Imperial Beach | 0 | Comment | ||
RSA65347 | Atriplex watsonii | F. W. Peirson | 1923-3-27 | 3413 | San Diego | Imperial Beach. | Comment | |||
RSA77868 | Pectocarya linearis subsp. ferocula | F. W. Peirson | 1923-3-27 | 3359 | San Diego | Summit of low hill about 6 miles north of San Diego on the inland route to Riverside. | 122 | Comment | ||
RSA87088 | Lupinus concinnus subsp. concinnus | F. W. Peirson | 1923-3-27 | 3403 | San Diego | Summit of low hill about 6 miles north of San Diego on the inland route to Riverside. | 122 | Comment | ||
SD87699 | Erigeron divergens | F. W. Peirson | 1923-3-27 | 3365 | San Diego | Otay Creek; 2 miles below Otay Dam | Comment | |||
UCR129699 | Triglochin maritima | F. W. Peirson | 1923-3-27 | 3391 | San Diego | South Coast, Imperial Beach | 1 | Comment | ||
RSA0075945 | Heterotheca sessiliflora | F. W. Peirson | 1923-3-27 | 3368 | San Diego | Along back side of low sand dunes, Imperial Beach. | Comment | |||
POM17786 | Isoetes howellii | F. W. Peirson | 1923-3-28 | 3366 | San Diego | near boulevard on mesa about 6 miles north of San Diego | 121 | Comment | ||
RSA81008 | Tamarix parviflora | F. W. Peirson | 1923-3-28 | 4110 | San Diego | On boulevard about 10-15 miles south opf Temecula | Comment | |||
RSA92383 | Psilocarphus brevissimus | F. W. Peirson | 1923-3-28 | 5279 | San Diego | About 6 miles north of San Diego | Comment | |||
CAS-BOT-BC204749 | Acmispon argophyllus var. argenteus | Frank W. Peirson | 1923-4-9 | 3468 | Los Angeles | 2 miles S.-E. of Wilsons [Wilson] Cove, San Clemente | Comment | |||
UC566788 | Sanicula arguta | Frank W. Peirson | 1923-4-9 | 3429 | Los Angeles | near Wilson Cove (San Clemente Island); San Clemente Island | Comment | |||
CAS-BOT-BC217452 | Galium catalinense | Frank W. Peirson | 1923-4-9 | 3432 | Los Angeles | North slope canyon at Lemmon Tank, San Clemente Island | Comment | |||
POM18747 | Chenopodium murale | F. W. Peirson | 1923-4-9 | 3481 | Los Angeles | San Clemente Island: Lemon Tank. | Comment | |||
RSA90045 | Lotus argophyllus subsp. ornithopus | F. W. Peirson | 1923-4-9 | 3468 | Los Angeles | San Clemente Island: about 2 miles SE of Wilson's cove | Comment | |||
RSA95223 | Stephanomeria blairii | F. W. Peirson | 1923-4-9 | 3475 | Los Angeles | San Clemente Island: at Lemon Tank | Comment | |||
RSA85865 | Cheilanthes newberryi | F. W. Peirson | 1923-4-10 | 3439 | Los Angeles | North slope canyon about 10 miles southeast of Wilson's Cove, San Clemente Island. | Comment | |||
RSA80447 | Mimulus guttatus | F. W. Peirson | 1923-4-10 | 3471 | Los Angeles | 5 mi. SE of Wilson Cove. Canyon about 5 mi. southeast of Eagle Ranch, San Clemente Island. | Comment Read comments May 16 2008 |
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RSA90458 | Lathyrus vestitus subsp. laetiflorus | F. W. Peirson | 1923-4-11 | 3455 | Los Angeles | San Clemente Island, canyon about 5 miles southeast of Eagle Ranch | Comment | |||
UCD87952 | Melica imperfecta | F. W. Peirson | 1923-4-12 | 3420 | Los Angeles | Wilsons Cove, San Clemente Island. | Comment | |||
RSA70241 | Allium praecox | F. W. Peirson | 1923-4-12 | 3486 | Los Angeles | Wilson s Cove, San Clemente Island | Comment | |||
RSA91442 | Trifolium gracilentum var. palmeri | F. W. Peirson | 1923-4-12 | 3436 | Los Angeles | Wilson's Cove, San Clemente Island. | Comment | |||
RSA95030 | Malacothrix foliosa | F. W. Peirson | 1923-4-12 | 3463 | Los Angeles | Wilson's Cove, San Clemente Island. | Comment | |||
POM19056 | Styrax redivivus | F. W. Peirson | 1923-5-5 | 3493 | Orange | Trabuco Canyon. | 640 | Comment | ||
RSA75439 | Camissonia ignota | F. W. Peirson | 1923-5-6 | 3505 | Orange | Trail to Santiago Peak, Santa Ana Ms., from Trabuco Canyon. | 1067 | Comment | ||
RSA77721 | Viola purpurea subsp. purpurea | F. W. Peirson | 1923-5-6 | 3498 | Orange | Summit of Santiago Peak, Santa Ana Mts. | 1707 | Comment | ||
SD82797 | Ceanothus papillosus var. roweanus | F. W. Peirson | 1923-5-6 | 3492 | Orange | Trail from Trabuco Canyon to Santiago Peak, Santa Ana Mountains (in Holy Jim Canyon) | 990 | Comment | ||
JEPS41225 | Mentzelia congesta | Frank W. Peirson | 1923-5-25 | 3523 | Los Angeles | San Gabriel Mountains, Rock Creek | Comment | |||
JEPS8877 | Chaenactis stevioides | Frank W. Peirson | 1923-5-25 | 3522 | Los Angeles | Rock Creek San Gabriel Mountains, Rock Creek | 1295 | Comment | ||
RSA84422 | Aquilegia formosa | F. W. Peirson | 1923-5-25 | 4168 | Los Angeles | Rock Creek, north slope of San Gabriel Mountains | 1296 | Comment | ||
UCD88321 | Melica stricta | F. W. Peirson | 1923-5-25 | 4250 | Los Angeles | Rock Creek, San Gabriel Mts. | Comment | |||
RSA90863 | Carex alma | F. W. Peirson | 1923-5-25 | 3526 | Los Angeles | along stream on south side of canyon of Rock Creek, San Gabriel Mountains. | 1296 | Comment | ||
RSA81467 | Castilleja applegatei subsp. martinii | F. W. Peirson | 1923-5-26 | 4227 | Los Angeles | Rock Creek, norht slope of San Gabriel Mountains | 1646 | Comment | ||
RSA68691 | Muilla maritima | F. W. Peirson | 1923-5-26 | 4100 | Los Angeles | Rock Creek, north slope of San Gabriel Mountains. | 1601 | Comment | ||
RSA90354 | Lotus crassifolius var. crassifolius | F. W. Peirson | 1923-5-26 | 4075 | Los Angeles | Rock Creek, north slope of San Gabriel Mountains. | 1890 | Comment | ||
RSA92316 | Poa secunda var. secunda | F. W. Peirson | 1923-5-26 | 3525 | Los Angeles | Rock Creek, norht slope of San Gabriel Mountains | 1646 | Comment | ||
JEPS43692 | Clarkia xantiana | Frank W. Peirson | 1923-5-27 | 3535 | Los Angeles | Rock Creek San Gabriel Mts. | 1295 | Comment | ||
RSA73344 | Clarkia xantiana subsp. parviflora | F. W. Peirson | 1923-5-27 | 3535 | Los Angeles | small canyon on Pinyon Ridge, Rock Creek, north slope of San Gabriel Mountains | 1296 | Comment | ||
RSA93225 | Heterotheca sessiliflora subsp. bolanderi | F. W. Peirson | 1923-6-7 | 3891 | Mendocino | Coast near Little River. | Comment | |||
PASA2377 | Aesculus californica | Frank W. Peirson | 1923-6-9 | Los Angeles | Pine Canyon, Liebre Mts. | 1188 | Comment | |||
UC501463 | Lessingia glandulifera var. peirsonii | Frank W. Peirson | 1923-6-9 | 3550 | Los Angeles | King Canyon Liebre Mts., King Canyon | 1173 | Comment | ||
CAS-BOT-BC123032 | Lessingia lemmonii var. peirsonii | Frank Warrington Peirson | 1923-6-9 | 3550 | Los Angeles | Liebre Mts., Kings Canyon | 1173 | Comment | ||
CAS-BOT-BC221192 | Calystegia malacophylla subsp. pedicellata | Frank W. Peirson | 1923-6-10 | 3555 | Ventura | Seymour Creek, Mt. Pinos | 1798 | Comment | ||
CAS-BOT-BC330357 | Lessingia tenuis | Frank W. Peirson | 1923-6-10 | s.n. | Ventura | Seymour Cr., Mt. Pinos | Comment | |||
PASA189 | Swertia neglecta | Frank W. Peirson | 1923-6-10 | Ventura | Seymour Creek, Mt. Pinos Region | 1798 | Comment | |||
PASA2202 | Chaenactis xantiana | Frank W. Peirson | 1923-6-10 | Ventura | Seymour Creek, Mt. Pinos Region | 1798 | Comment | |||
RSA71115 | Calystegia malacophylla subsp. pedicellata | F. W. Peirson | 1923-6-10 | 3555 | Ventura | Seymour Creek, Mt. Pinos. | 1799 | Comment | ||
RSA90747 | Astragalus pachypus | F. W. Peirson | 1923-6-10 | 3584 | Ventura | Side Canyon, Seymour Creek, Mt. Pinos. | 1829 | Comment | ||
UC501592 | Fritillaria pinetorum | Frank W. Peirson | 1923-6-11 | 3593 | Ventura | Mount Pinos | 2286 | Comment | ||
CAS-BOT-BC69161 | Antennaria dimorpha | F. W. Peirson | 1923-6-11 | 3562 | Ventura | Mt. Pinos, near summit | 2682 | Comment | ||
RSA91191 | Lupinus formosus | F. W. Peirson | 1923-6-11 | 3592 | Ventura | Seymour Creek, Mt. Pinos. | 1905 | Comment | ||
RSA98250 | Oenanthe sarmentosa | F. W. Peirson | 1923-6-17 | 4055 | Monterey | 17-mile Drive, Monterey Peninsula | Comment | |||
RSA91281 | Lessingia pectinata var. pectinata | F. W. Peirson | 1923-6-26 | 5300 | Monterey | About 3 miles from Monterey on road to Salinas. | Comment | |||
RSA94823 | Hypochaeris radicata | F. W. Peirson | 1923-6-26 | 5287 | Monterey | About 3 miles from Monterey on road to Salinas. | Comment | |||
CAS-BOT-BC257410 | Chorizanthe pungens var. pungens | Frank W. Peirson | 1923-6-27 | 3707 | Monterey | Monterey | Comment | |||
CAS-BOT-BC64554 | Armeria maritima subsp. californica | Frank W. Peirson | 1923-6-27 | 3804 | Monterey | Monterey. | Comment | |||
RSA75943 | Phacelia malvifolia | F. W. Peirson | 1923-6-27 | 3819 | Monterey | 17-mile Drive. At south end near Carmel. | Comment | |||
CAS-BOT-BC367561 | Lasthenia minor | Frank W. Peirson | 1923-6-27 | 3916 | Monterey | Notrey's Landing, Coast, south of Carmel | Comment | |||
PASA2216 | Eriophyllum staechadifolium | Frank W. Peirson | 1923-6-27 | Monterey | Coast south of Pacific Grove [sea level] | Comment | ||||
RSA85201 | Horkelia cuneata | F. W. Peirson | 1923-6-27 | 3746 | Monterey | 3 miles up the Salinas road from Monterey. | Comment | |||
RSA92536 | Eriophyllum staechadifolium | F. W. Peirson | 1923-6-27 | 3912 | Monterey | Sandy coast south of Pacific Grove | Comment | |||
RSA93118 | Corethrogyne filaginifolia var. californica | F. W. Peirson | 1923-6-27 | 3885 | Monterey | Sand dunes at Monterey | Comment | |||
RSA93414 | Monardella villosa | F. W. Peirson | 1923-6-27 | 3833 | Monterey | Coast near Pacific Grove | Comment | |||
SD87772 | Horkelia cuneata var. cuneata | F. W. Peirson | 1923-6-27 | 3746 | Monterey | At auto camp about 3 miles up the Salinas Road | Comment | |||
RSA91763 | Adenocaulon bicolor | F. W. Peirson | 1923-6-28 | 3894 | Santa Cruz | West slope of Santa Cruz Mts. | Comment | |||
CAS-BOT-BC271459 | Anisocarpus madioides | Frank W. Peirson | 1923-6-29 | 5283 | Santa Cruz | Along Boulevard, Santa Cruz Mts. | Comment | |||
RSA68803 | Delphinium nudicaule | F. W. Peirson | 1923-6-29 | 4169 | Santa Cruz | Santa Cruz Mts. Along boulevard near summit. | Comment | |||
RSA92293 | Eriophyllum lanatum var. achilleoides | F. W. Peirson | 1923-7-1 | 4242 | Contra Costa | Short distance below summit of Mt. Diablo | Comment | |||
RSA73312 | Clarkia rubicunda subsp. blasdalei | F. W. Peirson | 1923-7-4 | 3791 | Alameda | Strawberry Creek, Berkeley. | Comment | |||
RSA74518 | Phacelia nemoralis subsp. nemoralis | F. W. Peirson | 1923-7-4 | 3817 | Alameda | Strawberry Creek, Berkeley. | Comment | |||
RSA80644 | Boisduvalia glabella | F. W. Peirson | 1923-7-6 | 3788 | Mendocino | Indian Creek, southern Mendocino Co. | Comment | |||
POM48479 | Myrica californica | F. W. Peirson | 1923-7-7 | 3703 | Mendocino | 2 miles east of Mendocino City. | Comment | |||
RSA100283 | Campanula californica | F. W. Peirson | 1923-7-7 | 3866 | Mendocino | 1 mile north of Navarro River | Comment | |||
RSA85830 | Cupressus goveniana | F. W. Peirson | 1923-7-7 | 3637 | Mendocino | 2 miles east of Mendocino City. | Comment | |||
UC501467 | Bellis perennis | Frank W. Peirson | 1923-7-7 | 3889 | Mendocino | n of Westport | Comment | |||
UC501615 | Triteleia laxa | Frank W. Peirson | 1923-7-7 | 3679 | Mendocino | 5 mi nw Boonville | Comment | |||
RSA0098125 | Spergularia rubra | F. W. Peirson | 1923-7-7 | s.n. | Mendocino | Navarro River, 10 miles below Wendling. | Comment | |||
RSA100340 | Triodanis biflora | F. W. Peirson | 1923-7-7 | 3870 | Mendocino | Navarro River, 10 miles below Wendling. | Comment | |||
RSA64789 | Chenopodium botrys | F. W. Peirson | 1923-7-7 | 3718 | Mendocino | Navarro River, 10 miles below Wendling. | Comment | |||
RSA65091 | Eriogonum nudum var. oblongifolium | F. W. Peirson | 1923-7-7 | 3710 | Mendocino | 3 miles southeast of Boonville | Comment | |||
RSA69784 | Gentiana oregana | F. W. Peirson | 1923-7-7 | s.n. | Mendocino | 2 miles east of Mendocino City. | Comment | |||
RSA85862 | Blechnum spicant | F. W. Peirson | 1923-7-7 | 3631 | Mendocino | 2 miles east of Mendocino City. | Comment | |||
RSA94178 | Hemizonia luzulifolia | F. W. Peirson | 1923-7-7 | 3903 | Mendocino | 5 miles west of Boonville. | Comment | |||
RSA94827 | Cnicus benedictus | F. W. Peirson | 1923-7-7 | 3931 | Mendocino | Field borders, Indian Creek | Comment | |||
RSA95042 | Senecio sylvaticus | F. W. Peirson | 1923-7-7 | 3968 | Mendocino | 2 miles below Wendling. | Comment | |||
RSA95201 | Sidalcea calycosa subsp. rhizomata | F. W. Peirson | 1923-7-7 | 3773 | Mendocino | 1 mile north of Navarro River | Comment | |||
SEINET10463950 | Campanula californica | Frank W. Peirson | 1923-7-7 | Peirson 3866 | Mendocino | Wet roadside on coast 1 miles north of Navarro River | Comment | |||
RSA86528 | Picea sitchensis | F. W. Peirson | 1923-7-8 | 3963 | Mendocino | 5 miles north of Mendocino City. | Comment | |||
RSA72648 | Wyethia angustifolia | F. W. Peirson | 1923-7-8 | 3896 | Mendocino | Along fence in N part of Mendocino City. | Comment | |||
RSA94425 | Chrysanthemum segetum | F. W. Peirson | 1923-7-8 | 3908 | Mendocino | 5 miles north of Mendocino City | Comment | |||
RSA70055 | Epipactis gigantea | Frank W. Peirson | 1923-7-9 | 3697 | Humboldt | State Park on Eel River | Comment | |||
RSA94822 | Hypochaeris glabra | F. W. Peirson | 1923-7-9 | 3934 | Humboldt | State Park on Eel River | Comment | |||
RSA95171 | Hieracium albiflorum | F. W. Peirson | 1923-7-9 | 3938 | Mendocino | Summit of first grade north of Westport. | Comment | |||
RSA87079 | Lupinus vallicola subsp. apricus | F. W. Peirson | 1923-7-10 | 4221 | Humboldt | Garberville | Comment | |||
RSA93304 | Downingia elegans var. corymbosa | F. W. Peirson | 1923-7-10 | 3871 | Humboldt | Wood border opening near road about 6 miles N of Garberville | Comment | |||
RSA71112 | Calystegia soldanella | F. W. Peirson | 1923-7-11 | 3805 | Humboldt | 18 miles north of Eureka | Comment | |||
RSA80042 | Veronica scutellata | F. W. Peirson | 1923-7-11 | 3838 | Humboldt | 7 miles N of Arcata. | Comment | |||
RSA80294 | Orthocarpus faucibarbatus | F. W. Peirson, Mabel B. Peirson | 1923-7-11 | 3849 | Humboldt | 7 miles N of Arcata. | Comment | |||
UC501613 | Veronica scutellata | Frank W. Peirson | 1923-7-11 | 3838 | Humboldt | 7 mi n of Arcata | Comment | |||
RSA0116954 | Camassia leichtlinii subsp. suksdorfii | Frank W. Peirson | 1923-7-11 | 3681 | Humboldt | 7 miles north of Arcata. | Comment | |||
RSA68979 | Plantago maritima | F. W. Peirson | 1923-7-11 | 3857 | Humboldt | Flats north of Eureka. | Comment | |||
RSA72004 | Phlox diffusa subsp. subcarinata | F. W. Peirson | 1923-7-11 | 3563 | Ventura | Mt. Pinos. | 2652 | Comment | ||
RSA90281 | Lathyrus littoralis | F. W. Peirson | 1923-7-11 | 3623 | Humboldt | 18 miles north of Eureka. | Comment | |||
RSA92250 | Layia carnosa | F. W. Peirson | 1923-7-11 | 3905 | Humboldt | 18 miles north of Eureka | Comment | |||
RSA68707 | Lilium pardalinum subsp. vollmeri | Frank W. Peirson | 1923-7-12 | 3688 | Del Norte | 15 miles south of Crescent City | Comment | |||
RSA70604 | Iris douglasiana | Frank W. Peirson | 1923-7-12 | 3692 | Humboldt | About 5 miles north of Orick | Comment | |||
RSA77511 | Hippuris vulgaris | F. W. Peirson | 1923-7-12 | 3784 | Del Norte | in marsh a mile or So S of Crescent City, Del Norte County | Comment | |||
RSA85042 | Polystichum munitum | F. W. Peirson | 1923-7-12 | 3633 | Del Norte | ? miles northeast of Crescent City. | Comment | |||
RSA68716 | Lilium maritimum | Frank W. Peirson | 1923-7-13 | 3690 | Del Norte | 4 miles northeast of Gasquet | Comment | |||
RSA87154 | Quercus vacciniifolia | F. W. Peirson | 1923-7-13 | 3702 | Del Norte | 7 miles north of Gasquet. | Comment | |||
CAS-BOT-BC318597 | Monardella purpurea | Frank W. Peirson | 1923-7-13 | 3835 | Del Norte | 4 miles NE of Gasquet on the Grantqq Pass Road.. | Comment | |||
RSA73296 | Linanthus pungens subsp. hookeri | F. W. Peirson | 1923-7-19 | 3809 | Siskiyou | Road crossing over Whitney Creek, foot of Mt. Shasta | Comment | |||
RSA74810 | Nama lobbii | F. W. Peirson | 1923-7-19 | 3821 | Siskiyou | Whitney Creek at the foot of Mt. Shasta. | Comment | |||
RSA93191 | Erigeron elegantulus | F. W. Peirson | 1923-7-19 | 3873 | Siskiyou | 17 miles north of Bray | Comment | |||
RSA94751 | Senecio streptanthifolius | F. W. Peirson | 1923-7-19 | 3922 | Siskiyou | Lairds Landing | Comment | |||
RSA95063 | Hemizonia fitchii | F. W. Peirson | 1923-7-21 | 3901 | Butte | North of Chico. | Comment | |||
RSA90447 | Glycyrrhiza lepidota | F. W. Peirson | 1923-7-24 | 8411 | Santa Clara | Coast Boulevard crossing of the Pajaro River. | Comment | |||
RSA68958 | Plantago maritima | F. W. Peirson | 1923-7-27 | 3856 | Monterey | near Pacific Grove, low sea bluffs | Comment | |||
PASA1098 | Lotus micranthus | Frank W. Peirson | 1923-7-29 | Santa Clara | Santa Cruz Mts. Road from Santa Cruz to Los Gatos slightly east of summit | Comment | ||||
RSA100551 | Campanula prenanthoides | F. W. Peirson | 1923-7-29 | 3868 | Santa Cruz | Along blvd slightly east of summit of Santa Cruz Mts. | Comment | |||
RSA72345 | Epilobium canum subsp. latifolium | F. W. Peirson | 1923-8-21 | 7344 | San Bernardino | Small canyon back of Forest Home | 1829 | Comment | ||
RSA88756 | Carex alma | F. W. Peirson | 1923-8-22 | 3974 | San Bernardino | Vivian Creek, San Bernardino Mountains | 2195 | Comment | ||
CAS-BOT-BC31162 | Carex lemmonii | Frank W. Peirson | 1923-8-23 | 3970 | San Bernardino | High Creek, San Bernardino Mts. | Comment | |||
JEPS51152 | Stellaria calycantha | Frank W. Peirson | 1923-8-23 | 4158 | San Bernardino | High Creek; San Bernardino Mts. | Comment | |||
RSA88806 | Carex abrupta | F. W. Peirson | 1923-8-23 | 3973 | San Bernardino | High Creek, San Bernardino Mountains. | 2774 | Comment | ||
CAS-BOT-BC363637 | Senecio fremontii var. occidentalis | Frank W. Peirson | 1923-8-24 | 3994 | San Bernardino | San Bernaridno Mts. Summit San Gorgonio Peak | Comment | |||
UC672181 | Erigeron aphanactis var. congestus | Frank W. Peirson | 1923-8-24 | 1284 | San Bernardino | Summit San Gorgonio Peak | 3490 | Comment | ||
RSA68999 | Samolus parviflorus | F. W. Peirson | 1923-8-26 | s.n. | San Bernardino | above road to Seven Oaks, in Mill Creek. | 1220 | Comment | ||
RSA65342 | Atriplex rosea | F. W. Peirson | 1923-8-30 | 4009 | San Bernardino | Northeast part of San Gabriel Mts., Lone Pine Canyon, Clyde Ranch. | 1479 | Comment | ||
RSA70315 | Juncus xiphioides | F. W. Peirson | 1923-8-30 | 4024 | San Bernardino | Clyde Ranch, Lone Pine Canyon. Eastern San Gabriel Mountains, west San Bernardino County | 1494 | Comment | ||
RSA82250 | Castilleja miniata subsp. miniata | F. W. Peirson | 1923-8-30 | 4021 | San Bernardino | Clyde Ranch, Lone Pine Canyon. Eastern San Gabriel Mountains, west San Bernardino County | 1494 | Comment | ||
UCR158046 | Helianthus nuttallii subsp. nuttallii | F. W. Peirson | 1923-8-30 | 4022 | San Bernardino | Transverse Ranges: Eastern San Gabriel Mountains, Clyde Ranch, Lone Pine Canyon | 1494 | Comment | ||
JEPS36550 | Pleiacanthus spinosus | Frank W. Peirson | 1923-8-31 | 4007 | Los Angeles | Blue Ridge, San Gabriel Mountains San Gabriel Mountains, Blue Ridge | Comment | |||
RSA85236 | Horkelia bolanderi | F. W. Peirson | 1923-8-31 | 4026 | Los Angeles | Earthquake rift, 2 miles W of Big Pines, N face of San Gabriel Mts. | 1860 | Comment | ||
RSA64585 | Eriogonum pusillum | F. W. Peirson | 1923-8-31 | 4006 | Los Angeles | Blue Ridge, eastern San Gabriel Mountains near line between Los Angeles and San Bernardino counties. | 2591 | Comment | ||
JEPS56555 | Eriogonum plumatella | Frank W. Peirson | 1923-9-1 | 4002 | Los Angeles | Sheep Creek San Gabriel Mountains | 1584 | Comment Read comments Dec 11 2014 |
||
RSA83320 | Monardella linoides subsp. erecta | F. W. Peirson | 1923-9-1 | 5167 | San Bernardino | between Double and Holcomb Valley, San Bernardino Mts. | 2226 | Comment | ||
RSA91274 | Isocoma menziesii | F. W. Peirson | 1923-9-6 | 4034 | San Bernardino | Roadside and fields S of Chhino | Comment | |||
RSA92102 | Cyperus esculentus | F. W. Peirson | 1923-9-6 | 4032 | Orange | Along canal east of Olive. | Comment | |||
CAS-BOT-BC32931 | Corethrogyne filaginifolia var. filaginifolia | Frank Warrington Peirson | 1923-10-7 | 4159 | Los Angeles | San Gabriel Mts. Newhall, Railroad Station | Comment | |||
RSA65345 | Atriplex serenana | F. W. Peirson | 1923-10-7 | 4162 | Los Angeles | Bouquet Canyon, where Los Angeles Aqueduct crosses Santa Clara River. | Comment | |||
RSA95079 | Microseris sylvatica | F. W. Peirson | 1924-3-19 | 5491 | Kern | north slope of Tehachapi Pass. | 610 | Comment | ||
POM47642 | Hesperocnide tenella | F. W. Peirson | 1924-5-14 | 4547 | San Bernardino | 12 miles east of Victorville. | Comment | |||
RSA93346 | Xylorhiza tortifolia | F. W. Peirson | 1924-5-14 | 4575 | San Bernardino | Box S Springs in Cushenberry [Cushenbury] Springs Region, north base of San Bernardino Mountains. | 1082 | Comment | ||
RSA94673 | Senecio douglasii var. monoensis | F. W. Peirson | 1924-5-14 | 4580 | San Bernardino | Box S Springs in Cushenberry [Cushenbury] Springs Region, north base of San Bernardino Mountains. | 1082 | Comment | ||
SD87572 | Aliciella leptomeria | F. W. Peirson | 1924-5-14 | 4577 | San Bernardino | 21 miles east of Victorville. | Comment | |||
CAS-BOT-BC64024 | Anisocoma acaulis | Frank W. Peirson | 1924-5-14 | 4608 | Los Angeles | Near Summit Cajon Pass | Comment | |||
RSA94600 | Anisocoma acaulis | F. W. Peirson | 1924-5-14 | 4608 | San Bernardino | South side of Cajon Pass. | 1220 | Comment | ||
CAS-BOT-BC143421 | Ivesia saxosa | F. W. Peirson | 1924-5-15 | 4605 | San Bernardino | Cactus Flat, San Bernardino Mts. | 1798 | Comment | ||
CAS-BOT-BC297168 | Erigeron concinnus var. concinnus | Frank W. Peirson | 1924-5-15 | 4572 | San Bernardino | N. end of Baldwin Lake, San Bernardino Mts. | Comment | |||
PASA2633 | Ranunculus californicus var. ludovicianus | Frank W. Peirson | 1924-5-15 | 4560 | San Bernardino | Baldwin Lake, San Bernadino Mtns. | 2035 | Comment | ||
POM47645 | Astragalus purshii var. lectulus | F. W. Peirson | 1924-5-15 | 4567 | San Bernardino | Summit above Doble, San Bernardino Mountains | 2100 | Comment | ||
RSA93742 | Aster frondosus | F. W. Peirson | 1924-5-15 | 4595 | San Bernardino | North end of Baldwin Lake | 2037 | Comment | ||
RSA91921 | Poa secunda | F. W. Peirson | 1924-5-15 | 4539 | San Bernardino | N end of Baldwin Lake, San Bernardino Mts | 2058 | Comment | ||
RSA86846 | Prunus emarginata | F. W. Peirson | 1924-5-16 | 4615 | San Bernardino | Bear Lake Dam. | 2043 | Comment | ||
RSA87191 | Lupinus excubitus var. johnstonii | F. W. Peirson | 1924-5-27 | 4637 | Los Angeles | Strawberry Peak, San Gabriel Mountains. | Comment | |||
UCR129355 | Heuchera elegans | F. W. Peirson | 1924-5-27 | 4639 | Los Angeles | San Gabriel Mtns., north slope, Strawberry Peak | 1753 | Comment | ||
RSA0063244 | Heuchera elegans | F. W. Peirson | 1924-5-27 | 4639 | Los Angeles | San Gabriel Mountains. North slope, Strawberry Peak. | 1753 | Comment | ||
RSA65046 | Silene lemmonii | F. W. Peirson | 1924-5-27 | 4624 | Los Angeles | north slope of Strawberry Peak, San Bernardino Mts. | 1524 | Comment | ||
RSA91467 | Scirpus microcarpus | F. W. Peirson | 1924-5-27 | 4636 | Los Angeles | Colby's Ranch | 975 | Comment | ||
RSA95251 | Taraxacum officinale | F. W. Peirson | 1924-5-27 | 4679 | Los Angeles | Colby's Ranch | 975 | Comment | ||
UC908733 | Collomia grandiflora | Frank W. Peirson | 1924-5-28 | 4634 | Los Angeles | Tujunga Canyon | 457 | Comment | ||
POM48463 | Dudleya edulis | F. W. Peirson | 1924-5-31 | 4674 | Orange | 5 miles southeast of Laguna Beach. | Comment | |||
RSA68988 | Plantago ovata var. insularis | F. W. Peirson | 1924-5-31 | 4668 | Orange | 5 miles southeast of Laguna Beach. | Comment | |||
RSA71016 | Cressa truxillensis | F. W. Peirson | 1924-5-31 | 4647 | Orange | Laguna Canyon, near Laguna Beach. | 106 | Comment | ||
RSA85842 | Marsilea vestita | F. W. Peirson | 1924-5-31 | 4645 | Orange | Laguna Canyon, near Laguna Beach | 106 | Comment | ||
UCR143159 | Chaenactis glabriuscula var. orcuttiana | F. W. Peirson | 1924-5-31 | 4671 | Orange | Coastal Plains and Basins; South Coastal Plains region, 5 miles southeast of Laguna Beach | Comment | |||
POM47667 | Leymus triticoides | F. W. Peirson | 1924-6-1 | 4678 | Riverside | River lands along Santa Ana River. | 152 | Comment | ||
POM49370 | Stachys stebbinsii | F. W. Peirson | 1924-6-2 | s.n. | Riverside | Near foot of Temescal canyon. | Comment | |||
RSA79782 | Keckiella cordifolia | F. W. Peirson | 1924-6-16 | 4748 | Los Angeles | Kineloa Road, Eaton Canyon foothills, San Gabriel Mountains. | Comment | |||
CAS-BOT-BC191305 | Chorizanthe fimbriata var. fimbriata | Frank W. Peirson | 1924-6-21 | 4763 | San Diego | Grade N of Pala | 228 | Comment | ||
RSA409772 | Cuscuta salina | F. W. Peirson | 1924-6-21 | s.n. | Riverside | South of Elsinore | Comment | |||
RSA73129 | Navarretia atractyloides | F. W. Peirson | 1924-6-21 | 4769 | San Diego | Benches southeast of Pala | 244 | Comment | ||
RSA82574 | Stachys rigida subsp. quercetorum | F. W. Peirson | 1924-6-21 | 4759 | Riverside | Temescal Canyon. | 290 | Comment | ||
RSA0087147 | Centromadia pungens subsp. laevis | F. W. Peirson | 1924-6-21 | 4762 | Riverside | Near Temecula. | 335 | Comment | ||
PASA429 | Hypericum formosum | Frank W. Peirson | 1924-6-22 | San Diego | Palomar Mt., near the Country Club | 1584 | Comment | |||
RSA65657 | Montia fontana | F. W. Peirson | 1924-6-22 | s.n. | San Diego | Near head of Doane Valley, Palomar Mts., San Diego Co., California. | 1585 | Comment | ||
RSA68768 | Delphinium cardinale | F. W. Peirson | 1924-6-22 | s.n. | San Diego | At Country Club, Palomar Mts. | 1616 | Comment | ||
RSA70537 | Chamaesyce serpillifolia subsp. hirtula | F. W. Peirson | 1924-6-22 | 4777 | San Diego | Near the Country Club, Palomar Mountains. | 1585 | Comment | ||
RSA86791 | Rosa gymnocarpa | F. W. Peirson | 1924-6-22 | 4806 | San Diego | Doane Valley. | 1494 | Comment | ||
RSA498327 | Lotus heermannii | F. W. Peirson | 1924-6-23 | s.n. | San Diego | Upper Doane Valley Palomar | 1494 | Comment | ||
UC501617 | Brodiaea terrestris subsp. kernensis | Frank W. Peirson | 1924-6-23 | 4811 | San Diego | meadows at head Doane Valley; Palomar Mt. | 1524 | Comment | ||
RSA368918 | Lilaea scilloides | F. W. Peirson | 1924-6-24 | 4880 | San Diego | Cuyamaca Lake. | Comment | |||
RSA77753 | Viola lobata | F. W. Peirson | 1924-6-24 | 4824 | San Diego | dry slope under pines, Scenic View, 5 mi. north of Cuyamaca Lake on road to Julian. | 1448 | Comment | ||
RSA97154 | Lomatium dasycarpum subsp. dasycarpum | F. W. Peirson | 1924-6-24 | 4821 | San Diego | Henshaw Grade, Palomar Mts. | 1219 | Comment | ||
RSA65066 | Silene verecunda subsp. platyota | F. W. Peirson | 1924-6-25 | 4832 | San Diego | Above camp [Laguna Camp?], Laguna Lakes Region, Laguna Mountains. | Comment | |||
RSA70131 | Brodiaea terrestris subsp. kernensis | F. W. Peirson | 1924-6-25 | 4834 | San Diego | near old Rangers Cabin, Laguna Lakes region, Laguna Mtns. | Comment | |||
RSA71947 | Collomia grandiflora | F. W. Peirson | 1924-6-25 | 4839 | San Diego | Laguna Mts., Laguna Lakes Region, near auto camp. | 1829 | Comment | ||
RSA79963 | Cryptantha micrantha var. lepida | F. W. Peirson | 1924-6-25 | 4849 | San Diego | Above camp [Laguna Camp?], Laguna Lakes Region, Laguna Mountains. | Comment | |||
RSA87067 | Koeleria macrantha | F. W. Peirson | 1924-6-25 | 4850 | San Diego | Laguna Lakes | 1829 | Comment | ||
RSA0074140 | Alopecurus aequalis | F. W. Peirson | 1924-6-25 | 4840 | San Diego | Margin of Little Lake, Laguna Mts. | Comment | |||
RSA90957 | Erigeron divergens | F. W. Peirson | 1924-6-25 | 4845 | San Diego | Above camp [Laguna Camp?], Laguna Lakes Region, Laguna Mountains. | Comment | |||
RSA92382 | Psilocarphus brevissimus | F. W. Peirson | 1924-6-25 | 4835 | San Diego | near old Rangers Cabin, Laguna Lakes region, Laguna Mtns. | Comment | |||
RSA69607 | Boerhavia coccinea | F. W. Peirson | 1924-6-26 | 4876 | San Diego | Lower part of Vallecito Canyon. | Comment | |||
CAS-BOT-BC330265 | Pentachaeta aurea | F. W. Peirson | 1924-6-27 | 4863 | San Diego | Laguna Mts., at camp, Laguna Lakes Region | Comment | |||
POM47630 | Arctostaphylos glandulosa subsp. adamsii | F. W. Peirson | 1924-6-27 | 4884 | San Diego | Monument Peak, Laguna Mts. | Comment | |||
RSA84267 | Ranunculus aquatilis var. capillaceus | F. W. Peirson | 1924-6-27 | 4864 | San Diego | ponds at Laguna Lakes | 1524 | Comment | ||
RSA97294 | Garrya fremontii | F. W. Peirson | 1924-6-27 | 4886 | San Diego | Monument Peak, Laguna Mts. | Comment | |||
RSA92679 | Eriophyllum lanatum var. obovatum | F. W. Peirson | 1924-7-5 | 4906 | San Bernardino | Bluff Lake, San Bernardino Mountains. | 2287 | Comment | ||
RSA68646 | Calochortus palmeri var. palmeri | Frank W. Peirson | 1924-7-6 | 4923 | San Bernardino | North shore of Bear Lake (Nr its West end) | 2042 | Comment | ||
RSA83430 | Satureja mimuloides | F. W. Peirson | 1924-7-8 | 5394 | Los Angeles | 2.5 miles below Switzer s Camp, San Gabriel Mts, above Pasadena. | 671 | Comment | ||
POM365418 | Polemonium occidentale | F. W. Peirson | 1924-7-13 | s.n. | San Bernardino | South fork of the Santa Ana Meadow | 2530 | Comment | ||
RSA65020 | Silene menziesii subsp. dorrii | F. W. Peirson | 1924-7-13 | 4939 | San Bernardino | Fish Creek. | 2134 | Comment | ||
RSA72130 | Epilobium ciliatum subsp. ciliatum | F. W. Peirson | 1924-7-13 | 4947 | San Bernardino | South Fork of Mission Creek; San Bernardino Mountains | 2439 | Comment | ||
RSA92658 | Eriophyllum confertiflorum | F. W. Peirson | 1924-7-13 | 4945 | San Bernardino | Divide between Fish and Mission Creeks | 2530 | Comment | ||
RSA83987 | Saxifraga odontoloma | F. W. Peirson | 1924-7-14 | 4949 | San Bernardino | Lost Creek, San Bernardino Mountains. | 2210 | Comment | ||
RSA65466 | Rumex salicifolius | F. W. Peirson | 1924-7-14 | 4955 | San Bernardino | Lost Creek. | 2363 | Comment | ||
RSA81445 | Castilleja applegatei | F. W. Peirson | 1924-7-15 | 4966 | San Bernardino | Coon Creek Divide, San Bernardino Mts. | 2439 | Comment | ||
RSA82527 | Verbascum thapsus | F. W. Peirson | 1924-7-26 | 4978 | San Bernardino | Little San Gorgonio Creek, Oak Glen region. | 1220 | Comment | ||
JEPS49608 | Philadelphus microphyllus var. stramineus | Frank W. Peirson | 1924-7-27 | 4991 | Riverside | Dark Canyon, Mt. San Jacinto. | 2286 | Comment | ||
PASA2373 | Euonymus parishii | Frank W. Peirson | 1924-7-27 | Riverside | Dark Canyon, San Jacinto Mts. | 1767 | Comment | |||
RSA70053 | Epipactis gigantea | Frank W. Peirson | 1924-7-27 | 4984 | Riverside | Dark Canyon, San Jacinto Mountains. | 1799 | Comment | ||
RSA88679 | Carex lemmonii | F. W. Peirson | 1924-7-27 | 6024 | Riverside | Deer Spring, Dark Canyon, San Jacinto Mountains. | 2439 | Comment | ||
RSA0018963 | Thalictrum fendleri var. fendleri | F. W. Peirson | 1924-7-27 | 4995 | Riverside | Deer Springs, San Jacinto Mtns. | 2668 | Comment | ||
CAS-BOT-BC101306 | Corethrogyne filaginifolia | Frank W. Peirson | 1924-7-28 | 5017 | Riverside | Pine Flats Camp, San Jacinto Mts. | 1798 | Comment | ||
CAS-BOT-BC268189 | Eriogonum umbellatum var. munzii | Frank W. Peirson | 1924-7-28 | 5014 | Riverside | Pine Flats Camp, San Jacinto Mts. | 1798 | Comment | ||
RSA72167 | Epilobium ciliatum subsp. ciliatum | F. W. Peirson | 1924-7-28 | 5012 | Riverside | Pine Flats Camp | 1799 | Comment | ||
RSA91118 | Trifolium monanthum subsp. grantianum | F. W. Peirson | 1924-7-28 | 5016 | Riverside | Pine flats Camp, San Jacinto Mts. | 1799 | Comment | ||
RSA66014 | Eriogonum nudum var. pauciflorum | F. W. Peirson | 1924-7-29 | 5035 | Riverside | Banning to Idyllwild Rd. | 1555 | Comment | ||
RSA71003 | Cuscuta ceanothi | F. W. Peirson | 1924-7-29 | 5036 | Riverside | Banning to Idyllwild Rd. | 1555 | Comment | ||
RSA77439 | Angelica tomentosa | F. W. Peirson | 1924-7-29 | 5024 | Riverside | Open Mountain slope on road from Banning to Idyllwild, San Jacinto Mountains. | 1677 | Comment | ||
RSA92107 | Cyperus squarrosus | F. W. Peirson | 1924-7-29 | 5031 | Riverside | Banning to Idyllwild road, San Jacinto Mountains. | 1570 | Comment | ||
RSA464930 | Fraxinus velutina | F. W. Peirson | 1924-8-23 | s.n. | Los Angeles | W fork San Gabriel River, just above forks | Comment | |||
PASA1878 | Lythrum californicum | Frank W. Peirson | 1924-8-29 | Orange | 4 miles south of Santa Ana | Comment | ||||
RSA65358 | Atriplex canescens | F. W. Peirson | 1924-8-29 | 4528 | Orange | Corona Del Mar | Comment | |||
RSA70016 | Suaeda esteroa | F. W. Peirson | 1924-8-29 | 5082 | Orange | 2.5 miles from Balboa on road inland along creek. | Comment | |||
RSA64759 | Chenopodium ambrosioides var. ambrosioides | F. W. Peirson | 1924-8-29 | 5079 | Orange | 6 miles from Balboa on road inland along creek. | Comment | |||
RSA70021 | Suaeda calceoliformis | F. W. Peirson | 1924-8-29 | 5078 | Orange | 3 miles from Balboa inland along creek | Comment | |||
RSA91899 | Paspalum distichum | F. W. Peirson | 1924-8-29 | 5096 | Orange | Road from Artesia to Hungtington Beach, along ditch | Comment | |||
RSA92200 | Jaumea carnosa | F. W. Peirson | 1924-8-29 | 5076 | Orange | 3 miles from Balboa Beach. | Comment | |||
PASA1737 | Gutierrezia lucida | Frank W. Peirson | 1924-8-31 | San Bernardino | Box S. Spring | 1081 | Comment | |||
RSA64900 | Eriogonum plumatella | F. W. Peirson | 1924-8-31 | 5104 | San Bernardino | Roadside, 2 miles N of Cajon Pass, S Mojave Desert | 1159 | Comment | ||
RSA65379 | Atriplex lentiformis | F. W. Peirson | 1924-8-31 | s.n. | San Bernardino | Victorville, Mojave Desert. | 793 | Comment | ||
RSA84263 | Azolla filiculoides | Frank W. Peirson | 1924-8-31 | 5109 | San Bernardino | South of Victorville | 792 | Comment | ||
UCR70730 | Solidago confinis | F. W. Peirson | 1924-8-31 | 5133 | San Bernardino | Mojave Desert, Box 'S' Spring, near Cushenbury Spring | 1082 | Comment | ||
RSA92153 | Eleocharis parishii | F. W. Peirson | 1924-8-31 | 5129 | San Bernardino | Box S Springs, southern Mojave Desert | 1082 | Comment | ||
RSA92406 | Bidens laevis | F. W. Peirson | 1924-8-31 | 5108 | San Bernardino | South of Victorville. | 792 | Comment | ||
RSA93320 | Machaeranthera carnosa | F. W. Peirson | 1924-8-31 | 5131 | San Bernardino | Box S Springs, north base of San Bernardino Mountains. | 1082 | Comment | ||
RSA94198 | Artemisia ludoviciana subsp. incompta | F. W. Peirson | 1924-8-31 | 5118 | San Bernardino | Along ponds south of Victorville | 793 | Comment | ||
CAS-BOT-BC294433 | Ericameria parryi var. aspera | F. W. Peirson | 1924-9-1 | 5168 | San Bernardino | Near Arrastre Flat, Holcomb Valley, San Bernardino Mts. | 2286 | Comment | ||
RSA65784 | Cleomella plocasperma | F. W. Peirson | 1924-9-1 | 5137 | San Bernardino | Open land above Box S Spring, grade near Cushenberry Spring. north base of San Bernardino Mountains. | 1128 | Comment | ||
CAS-BOT-BC112009 | Schoenus nigricans | Frank Warrington Peirson | 1924-9-2 | 5199 | San Bernardino | Arrowhead Hot Springs, San Bernardino Mts. | 579 | Comment | ||
CAS-BOT-BC140298 | Ivesia santolinoides | F. W. Peirson | 1924-9-2 | 5177 | San Bernardino | Fish Camp, Fish Creek, 1 to 2 mi. west along blvd. from point where it joins Bear Creek Basin, San Bernardino | 2057 | Comment | ||
PASA430 | Hypericum formosum | Frank W. Peirson | 1924-9-2 | San Bernardino | Fish Camp (City Creek Road), San Bernardino Mts. | 2057 | Comment | |||
POM351951 | Chrysothamnus nauseosus subsp. bernardinus | F. W. Peirson | 1924-9-2 | 3176 | San Bernardino | Fish Camp. | 2058 | Comment | ||
RSA70852 | Arctostaphylos glandulosa subsp. glaucomollis | F. W. Peirson | 1924-9-2 | 5196 | San Bernardino | City Creek Road, San Bernardino Mts. | 1524 | Comment | ||
RSA80366 | Perideridia parishii subsp. parishii | F. W. Peirson | 1924-9-2 | 5185 | San Bernardino | Fish Camp. | 2058 | Comment | ||
RSA87065 | Imperata brevifolia | F. W. Peirson | 1924-9-2 | 5201 | San Bernardino | Arrowhead Hot Springs. | 579 | Comment | ||
RSA90907 | Chrysothamnus nauseosus subsp. bernardinus | F. W. Peirson | 1924-9-2 | 5176 | San Bernardino | Fish Camp. | 2058 | Comment | ||
RSA92148 | Fimbristylis thermalis | F. W. Peirson | 1924-9-2 | 5200 | San Bernardino | Arrowhead Hot Springs. | 579 | Comment Read comments Dec 24 2010 |
||
RSA91745 | Muhlenbergia rigens | F. W. Peirson | 1924-9-2 | 5195 | San Bernardino | Near road to Deep Creek on City Creek Road. | 1829 | Comment | ||
RSA93779 | Lobelia cardinalis subsp. graminea | F. W. Peirson | 1924-9-2 | 5204 | San Bernardino | Marshes on Santa Ana River, about 2 miles south of San Bernardino. | Comment | |||
POM48465 | Nitrophila occidentalis | F. W. Peirson | 1924-10-19 | 5229 | Los Angeles | Clearwater. | Comment | |||
RSA69944 | Nitrophila occidentalis | F. W. Peirson | 1924-10-19 | 5229 | Los Angeles | Clearwater. | Comment | |||
SD87612 | Symphyotrichum subulatum var. parviflorum | F. W. Peirson | 1924-10-19 | 5240 | Orange | Wintersberg | Comment | |||
CAS-BOT-BC113821 | Cyperus niger var. capitatus | Frank Warrington Peirson | 1924-10-19 | 5231 | Orange | Along edge of water in ditch, Wintersberg. | Comment | |||
RSA70402 | Chamaesyce serpillifolia | F. W. Peirson | 1924-10-19 | 5236 | Orange | Wintersberg | Comment | |||
RSA91008 | Conyza canadensis | F. W. Peirson | 1924-10-19 | 5242 | Orange | Wintersberg. | Comment | |||
RSA93166 | Baccharis emoryi | F. W. Peirson | 1924-10-19 | 5228 | Los Angeles | Clearwater. | Comment | |||
RSA93743 | Aster subulatus var. ligulatus | F. W. Peirson | 1924-10-19 | 5240 | Orange | Wintersberg | Comment | |||
RSA71002 | Cuscuta ceanothi | F. W. Peirson | 1924-10-26 | 5261 | Los Angeles | Arroyo Seco, about 0.5 mile below California Street, Pasadena, | 198 | Comment | ||
RSA84262 | Azolla filiculoides | Frank W. Peirson | 1924-10-26 | 5257 | Los Angeles | Arroyo Seco, about 0.5 mile below California Street, Pasadena, | 198 | Comment | ||
RSA93916 | Xanthium strumarium | F. W. Peirson | 1924-10-26 | 5264 | Los Angeles | Arroyo Seco, below California St. bridge, Pasadena | 198 | Comment | ||
RSA92643 | Salix lasiolepis | F. W. Peirson | 1924-12-3 | 9604 | Los Angeles | San Gabriel Wash at Foothill Boulevard, Azusa. | Comment | |||
RSA70535 | Chamaesyce melanadenia | F. W. Peirson | 1924-12-5 | 5380 | Los Angeles | Large colony on open bank above trail; Little Samnta Anita Canyon. | Comment | |||
RSA90166 | Astragalus lentiginosus var. borreganus | F. W. Peirson | 1924-12-29 | 5402 | Riverside | Near Garnet, northeast of Palm Springs | Comment | |||
PASA617 | Cyperus laevigatus | Frank W. Peirson | 1924-12-30 | Riverside | Thousand Palms Canyon | 121 | Comment Read comments Jun 24 2016 |
|||
RSA65363 | Atriplex canescens var. laciniata | F. W. Peirson | 1924-12-30 | s.n. | Riverside | Thousand Palms Canyon, Coachella Valley. | 122 | Comment | ||
RSA69420 | Eustoma exaltatum | F. W. Peirson | 1924-12-30 | 5419 | Riverside | Thousand-Palms Canyon, Colorado Desert | 122 | Comment | ||
RSA69917 | Asclepias subulata | F. W. Peirson | 1924-12-30 | 5420 | Riverside | Near mouth of Thousand Palms Canyon, Coachella Valley | 91 | Comment | ||
UC501500 | Dicoria canescens | Frank W. Peirson | 1924-12-30 | 5425 | Riverside | 1000 Palms Canyon | 121 | Comment | ||
RSA93201 | Baccharis salicifolia | F. W. Peirson | 1924-12-30 | 5424 | Riverside | Thousand-Palms Canyon, Colorado Desert | 122 | Comment | ||
RSA65018 | Silene menziesii subsp. dorrii | F. W. Peirson | 1925-1-25 | 6058 | Mono | Rock Creek. | 2073 | Comment | ||
RSA92715 | Salix lucida subsp. lasiandra | Mabel Peirson | 1925-3-1 | 9605 | Los Angeles | Arroyo Seco, west of Pasadena | Comment | |||
RSA90225 | Astragalus douglasii | F. W. Peirson | 1925-3-18 | 5495 | Kern | North slope of Tehachapa Pass. | 762 | Comment | ||
RSA91779 | Ericameria linearifolia | F. W. Peirson | 1925-3-18 | 5473 | Kern | South slope of Tehachapi Mts., Tehachapi Pass. | Comment Read comments Mar 27 2011 |
|||
CAS-BOT-BC29895 | Achyrachaena mollis | F. W. Peirson | 1925-3-19 | 5502 | Kern | north slope of Tehachapi | 457 | Comment | ||
RSA69704 | Mentzelia affinis | F. W. Peirson | 1925-3-19 | 5526 | Kern | Caliente near north base of Tehachapi Mountains. | Comment | |||
RSA73684 | Leptosiphon bicolor | F. W. Peirson | 1925-3-19 | 5508 | Kern | North slope of Tehachapi Mountains. | 457 | Comment Read comments Mar 27 2011 |
||
RSA74149 | Phacelia tanacetifolia | F. W. Peirson | 1925-3-19 | 5516 | Kern | Caliente Creek near foot of Tehachapi Grade | 457 | Comment | ||
RSA75870 | Nemophila menziesii | F. W. Peirson | 1925-3-19 | 5478 | Kern | North slope of Tehachapi Pass. | 610 | Comment | ||
RSA77870 | Pectocarya penicillata | F. W. Peirson | 1925-3-19 | 5515 | Kern | Caliente near north base of Tehachapi Mountains. | Comment | |||
RSA90222 | Astragalus didymocarpus var. didymocarpus | F. W. Peirson | 1925-3-19 | 5493 | Kern | North slope of Tehachapi Pass. | 610 | Comment | ||
RSA92275 | Layia pentachaeta | F. W. Peirson | 1925-3-19 | 5507 | Kern | North slope of Tehachapi Mountains | 457 | Comment | ||
PASA1980 | Cryptantha flaccida | Frank W. Peirson | 1925-3-20 | Tulare | Near Richgrove | Comment | ||||
RSA75416 | Oenothera deltoides subsp. cognata | F. W. Peirson | 1925-3-20 | 5532 | Kern | 20 miles S of Bakersfield | Comment | |||
UCR143276 | Lycium cooperi | F. W. Peirson | 1925-3-20 | 5533 | Kern | San Joaquin Valley, west of boulevard, 20 miles south of Bakersfield | 183 | Comment | ||
RSA0001501 | Pseudobahia peirsonii | F. W. Peirson | 1925-3-20 | 5550 | Tulare | Between Ducor and Terrebella. | Comment | |||
RSA70490 | Erodium brachycarpum | F. W. Peirson | 1925-3-20 | 5537 | Kern | In fields 18 miles N of Bakersfield. | Comment | |||
RSA80842 | Orthocarpus brevistyla | F. W. Peirson | 1925-3-20 | 5545 | Tulare | Near Richgrove. | Comment | |||
RSA90730 | Astragalus oxyphysus | F. W. Peirson | 1925-3-20 | 5535 | Kern | In fields 18 miles N of Bakersfield. | Comment | |||
CAS-BOT-BC100292 | Blennosperma nanum var. nanum | F. W. Peirson | 1925-3-21 | 5581 | Tulare | Lewis Creek, near Lindsay | 259 | Comment | ||
JEPS33793 | Hesperevax acaulis var. robustior | F. W. Peirson | 1925-3-21 | 5592 | Tulare | Lewis Creek near Lindsay; Lewis Creek | 289 | Comment | ||
JEPS4191 | Mimulus congdonii | Frank W. Peirson | 1925-3-21 | 5589 | Tulare | near Lindsay; Lewis Creek | 274 | Comment | ||
PASA1322 | Arenaria californica | Frank W. Peirson | 1925-3-21 | Tulare | Lewis Creek, near Lindsay | 213 | Comment | |||
RSA0039342 | Thysanocarpus curvipes var. curvipes | Frank W. Peirson | 1925-3-21 | 5591 | Tulare | Slope on Lewis Creek near Lindsay. | 289 | Comment | ||
RSA0106586 | Pentachaeta alsinoides | F. W. Peirson | 1925-3-21 | 5596 | Tulare | Lewis Creek, near Lindsay. | 274 | Comment | ||
RSA65655 | Montia fontana | F. W. Peirson | 1925-3-21 | 5579 | Santa Barbara | Lewis Creek, near Lindsay, Tulare County. | 213 | Comment | ||
RSA66758 | Lepidium dictyotum | F. W. Peirson | 1925-3-21 | 5576 | Tulare | Lewis Creek, near Lindsay. | 213 | Comment | ||
RSA93939 | Blennosperma nanum var. nanum | F. W. Peirson | 1925-3-21 | 5581 | Tulare | Lewis Creek near Lindsay. | 259 | Comment | ||
CAS-BOT-BC323268 | Layia fremontii | Frank W. Peirson | 1925-3-22 | 5606 | Tulare | 4 miles below Springville | 243 | Comment | ||
JEPS23346 | Delphinium variegatum subsp. variegatum | Frank W. Peirson | 1925-3-22 | 5609 | Tulare | 4 mi below Springville | 243 | Comment | ||
JEPS36160 | Microseris douglasii subsp. douglasii | Frank W. Peirson | 1925-3-22 | 5605 | Tulare | 4 mi below Springville | 243 | Comment | ||
JEPS679 | Limnanthes montana | Frank W. Peirson | 1925-3-22 | 5629 | Tulare | Middle Fork Tule River | 609 | Comment | ||
LA38977 | Mimulus guttatus | Frank W. Peirson; | 1925-3-22 | 5626 | Tulare | Middle Fork Tule River | 609 | Comment | ||
RSA804893 | Mimulus palmeri | F. W. Peirson | 1925-3-22 | 5619 | Tulare | Middle Fork of Tule River. | 534 | Comment | ||
RSA80408 | Mimulus congdonii | F. W. Peirson | 1925-3-22 | 5624 | Tulare | Middle Fork Tule River. | 610 | Comment | ||
RSA92415 | Coreopsis bigelovii | F. W. Peirson | 1925-3-22 | 5622 | Tulare | Middle Fork of Tule River | 610 | Comment | ||
RSA95083B | Microseris campestris | F. W. Peirson | 1925-3-22 | 5605 | Tulare | About 4 miles below Springville. | 244 | Comment | ||
PASA2034 | Lepidium dictyotum | Frank W. Peirson | 1925-3-23 | Kings | 6 miles west of Lemoore | Comment | ||||
UC908033 | Gilia clivorum | Frank W. Peirson | 1925-3-23 | 5639 | Fresno | along summit of ridge above County Auto Camp (Coalinga to Parksfield); Inner Coast Ranges, Coalinga to Parksfield | 975 | Comment | ||
RSA73048 | Leptosiphon androsaceus | F. W. Peirson | 1925-3-24 | 5655 | Monterey | Road from Coalinga to Parkfield | 915 | Comment | ||
RSA91104 | Trifolium oliganthum | F. W. Peirson | 1925-3-24 | 5659 | San Luis Obispo | Morro Creek Divide. | 457 | Comment | ||
RSA66569 | Lepidium dictyotum | F. W. Peirson | 1925-3-25 | 5726 | San Luis Obispo | Just west of summit of Morro Creek. | 366 | Comment | ||
RSA79999 | Amsinckia spectabilis | F. W. Peirson | 1925-3-25 | 5678 | San Luis Obispo | Morro. | Comment | |||
RSA91058 | Trifolium depauperatum var. truncatum | F. W. Peirson | 1925-3-25 | 5667 | San Luis Obispo | On Morro Creek Divide. | 427 | Comment | ||
RSA92183 | Layia jonesii | F. W. Peirson | 1925-3-25 | 5687 | San Luis Obispo | Between Morro and San Luis Obispo | Comment | |||
RSA95354 | Ceanothus oliganthus var. sorediatus | F. W. Peirson | 1925-3-25 | 5673 | San Luis Obispo | Morro Creek | 412 | Comment | ||
PASA909 | Agoseris heterophylla subsp. californica | Frank W. Peirson | 1925-3-26 | Santa Barbara | Road from Lompoc to Buelton | 152 | Comment | |||
RSA90201 | Alopecurus saccatus | F. W. Peirson | 1925-3-26 | 5706 | Santa Barbara | Between La Purisima Mission and Buellton. | 152 | Comment | ||
RSA94531 | Artemisia californica | F. W. Peirson | 1925-3-26 | 5717 | Santa Barbara | At sea level, El Capitan Auto Camp on coast northwest of Santa Barbara. | 0 | Comment | ||
RSA77490 | Ceanothus spinosus | F. W. Peirson | 1925-3-27 | 8719 | Santa Barbara | hills back of Santa Barbara | 152 | Comment | ||
RSA87442 | Muhlenbergia microsperma | F. W. Peirson | 1925-3-27 | 5724 | Santa Barbara | Hills back of Santa Barbara | Comment | |||
RSA93862 | Encelia californica | F. W. Peirson | 1925-3-27 | 5718 | Santa Barbara | hills back of Santa Barbara | 152 | Comment | ||
RSA77487 | Ceanothus spinosus | F. W. Peirson | 1925-4-10 | 5742 | Orange | In Silverado Canyon. | 610 | Comment | ||
PASA2253 | Ribes indecorum | Frank W. Peirson | 1925-4-11 | Orange | Silverado Canyon, Santa Ana Mountains | 914 | Comment | |||
RSA84506 | Ribes indecorum | F. W. Peirson | 1925-4-11 | 5732 | Orange | slope above mill, in Silverado Canyon, Santa Ana Mountains. | 915 | Comment | ||
POM77241 | Eriodictyon crassifolium | F. W. Peirson | 1925-4-18 | 5754 | Ventura | Sespe Creek. | 305 | Comment | ||
RSA86866 | Prunus ilicifolia | F. W. Peirson | 1925-4-18 | 5766 | Ventura | Sespe Creek. | 305 | Comment | ||
RSA66191 | Meconella denticulata | F. W. Peirson | 1925-4-23 | 5806 | Los Angeles | San Gabriel River | 366 | Comment | ||
RSA69576 | Mentzelia micrantha | F. W. Peirson | 1925-4-23 | 5797 | Los Angeles | Forks of San Gabriel River. | 534 | Comment | ||
RSA0117474 | Collinsia concolor | F. W. Peirson | 1925-5-12 | 5818 | San Diego | Potrero Grade | 686 | Comment | ||
RSA90346 | Lathyrus splendens | F. W. Peirson | 1925-5-12 | 5817 | San Diego | Potrero Grade | 686 | Comment | ||
CAS-BOT-BC115900 | Carex subfusca | Frank Warrington Peirson | 1925-5-15 | 5918 | San Diego | Laguna Lakes Camp, Laguna Mountains. | 1752 | Comment | ||
LA38962 | Mimulus palmeri | Frank W. Peirson; | 1925-5-15 | 5919 | San Diego | Laguna Lakes auto camp, N of camp | 1676 | Comment | ||
RSA100258 | Plectritis ciliosa subsp. insignis | F. W. Peirson | 1925-5-15 | 5907 | San Diego | Laguna Lakes, Laguna Mountains | 1829 | Comment | ||
RSA65662B | Claytonia parviflora subsp. tenuifolia | F. W. Peirson | 1925-5-15 | 5908 | San Diego | Laguna Lakes Camp, Laguna Mountains. | Comment | |||
RSA80184 | Antirrhinum coulterianum | F. W. Peirson | 1925-5-15 | 5897 | San Diego | 10 miles northwest of Jacumba | Comment | |||
RSA80442 | Mimulus fremontii | F. W. Peirson | 1925-5-15 | 5901 | San Diego | 4 mi. south of Buckman Springs, eastern San Diego Co. | Comment | |||
UC635630 | Limnanthes gracilis subsp. parishii | Frank W. Peirson | 1925-5-15 | 5921 | San Diego | Laguna Lakes Camp Laguna Mts. | Comment | |||
RSA0117319 | Collinsia parviflora | F. W. Peirson | 1925-5-15 | 5927 | San Diego | Laguna Lakes, Laguna Mts | 1524 | Comment | ||
RSA90227 | Astragalus douglasii var. perstrictus | F. W. Peirson | 1925-5-15 | 5896 | San Diego | 10 miles northwest of Jacumba | Comment | |||
RSA93953 | Hymenoclea salsola | F. W. Peirson | 1925-5-15 | 5891 | San Diego | Summit of Mtn Springs Grade, East of Jacumba | Comment | |||
RSA68757 | Delphinium patens subsp. hepaticoideum | F. W. Peirson | 1925-5-16 | 5934 | San Diego | About 1 mile north of Laguna Lakes camp, Laguna Mouintains. | Comment | |||
RSA70853 | Arctostaphylos glandulosa subsp. adamsii | F. W. Peirson | 1925-5-16 | 5936 | San Diego | Monument Peak, Laguna Mts. | Comment | |||
JEPS54139 | Thysanocarpus laciniatus | Frank W. Peirson | 1925-5-17 | 5942 | San Diego | e slope Laguna Mts., Vallecito Canyon Vallecito Canyon; e slope Laguna Mts., Vallecito Canyon | Comment | |||
PASA2221 | Eriophyllum wallacei var. rubellum | Frank W. Peirson | 1925-5-17 | San Diego | Vallecito Canyon, east slope Laguna Mts. | Comment | ||||
PASA410 | Viguiera deltoidea var. parishii | Frank W. Peirson | 1925-5-17 | San Diego | Lower part of Vallecito Canyon, Laguna Mts. | Comment | ||||
RSA80225 | Penstemon clevelandii subsp. connatus | F. W. Peirson | 1925-5-17 | 5957 | San Diego | At foot of steep part of trail from Vallecito Canyon to Laguna Mountains | Comment | |||
JEPS19457 | Lotus micranthus | Frank W. Peirson | 1925-5-18 | 5963 | San Diego | n shore of Cuyamaca Lake Cuyamaca Lake | 1402 | Comment | ||
JEPS65694 | Trifolium albopurpureum var. albopurpureum | Frank W. Peirson | 1925-5-18 | 5974 | San Diego | Automobile Camp Cuyamaca Lake | 1402 | Comment | ||
RSA65685 | Lewisia brachycalyx | F. W. Peirson | 1925-5-18 | 5990 | San Diego | Cuyamaca Lake, north of dam | 1402 | Comment | ||
RSA82102 | Mimulus clevelandii | F. W. Peirson | 1925-5-18 | 5960 | San Diego | Lower part of grade from Guatay to Laguna Mountains. | Comment | |||
RSA86766 | Deschampsia danthonioides | F. W. Peirson | 1925-5-18 | 5993 | San Diego | Camp ground at Cuyamaca Lake | 1402 | Comment | ||
SD136473 | Sanicula tuberosa | F. W. Peirson | 1925-5-18 | 5964 | San Diego | Cuyamaca Lake, Cuyamaca Mountains | 1399 | Comment | ||
RSA90990 | Trifolium wormskioldii | F. W. Peirson | 1925-5-18 | 5973 | San Diego | North shore of Cuyamaca Lake. | 1402 | Comment | ||
RSA69670 | Juncus bufonius | F. W. Peirson | 1925-5-19 | 6017 | San Diego | Road crossing, San Luis Rey River. | 915 | Comment | ||
RSA77755 | Viola lobata | F. W. Peirson | 1925-5-19 | 5996 | San Diego | Middle Peak, Cuyamaca Mountains, eastern San Diego County | 1677 | Comment | ||
RSA80171 | Collinsia heterophylla | F. W. Peirson | 1925-5-19 | 6002 | San Diego | 1 mile south of Morettis, northern San Diego Co. (south of Henshaw Lake) | 930 | Comment | ||
RSA92152 | Eleocharis parishii | F. W. Peirson | 1925-5-19 | 6016 | San Diego | Road crossing on San Luis Rey River, northern San Diego County | 915 | Comment | ||
RSA82107 | Mimulus aurantiacus var. puniceus | F. W. Peirson | 1925-5-20 | 6014 | Riverside | 1 mile northwest of Dripping Spring, east of Temecula. | 457 | Comment | ||
UC501462 | Triteleia ixioides subsp. scabra | Frank W. Peirson | 1925-5-22 | 5602 | Tulare | lower part Frazier Valley | Comment | |||
CAS-BOT-BC253320 | Eriogonum fasciculatum var. foliolosum | Frank W. Peirson | 1925-5-27 | 5956 | San Diego | Vallecito Canyon, Laguna Mts. | Comment | |||
SD87655 | Ericameria nauseosa var. hololeuca | Frank W. Peirson | 1925-6-23 | 6026 | Los Angeles | Upper part of Mint Canyon. | Comment | |||
RSA85569 | Zannichellia palustris | F. W. Peirson | 1925-6-24 | 6027 | Inyo | Little Lake, S of Owen Valley, Inyo County. | Comment | |||
CAS-BOT-BC291556 | Crepis intermedia | Frank W. Peirson | 1925-6-25 | 6052 | Mono | Rock Creek | 2072 | Comment | ||
POM87063 | Phlox stansburyi | F. W. Peirson | 1925-6-25 | 6065 | Mono | Rock Creek, volcanic tablelands. | 2073 | Comment | ||
RSA79768 | Penstemon rydbergii var. oreocharis | F. W. Peirson | 1925-6-25 | 6064 | Mono | [Lower] Rock Creek, Sierra Nevada. | 2073 | Comment | ||
RSA85762 | Potentilla glandulosa var. nevadensis | F. W. Peirson | 1925-6-25 | 6063 | Mono | [Lower] Rock Creek. | 2073 | Comment | ||
RSA87223 | Lupinus pratensis | F. W. Peirson | 1925-6-25 | 6066 | Mono | Rock Creek, Sierra Nevada. | 2073 | Comment | ||
RSA88688 | Carex pellita | F. W. Peirson | 1925-6-25 | 6081 | Mono | Rock Creek | 2073 | Comment | ||
RSA0117261 | Collinsia parviflora | F. W. Peirson | 1925-6-25 | 6051 | Mono | [Lower] Rock Creek, Sierra Nevada. | 2073 | Comment | ||
RSA766403 | Eriogonum brachyanthum | F. W. Peirson | 1925-6-25 | 6040 | Mono | Grade up volcanic Tableland north of Bishop. | Comment | |||
RSA93222 | Erigeron lonchophyllus | F. W. Peirson | 1925-6-25 | 6080 | Inyo | [Lower] Rock Creek, east base of Sierra Nevada. | 2073 | Comment | ||
RSA94481 | Arnica chamissonis subsp. foliosa | F. W. Peirson | 1925-6-25 | 6045 | Mono | Rock Creek | 1829 | Comment | ||
RSA95222 | Stephanomeria pauciflora | F. W. Peirson | 1925-6-25 | 6034 | Mono | Sherwin Grade, N of Bishop. | 1829 | Comment | ||
LA95397 | Mimulus nanus var. mephiticus | Frank W. Peirson; | 1925-6-26 | 6095 | Mono | N of Mammoth, between Deadman Creek and June Lake | 2377 | Comment | ||
RSA67165 | Galium trifidum var. pusillum | F. W. Peirson | 1925-6-26 | 6101 | Mono | Shore of Silver Lake. Sierra Nevada. | 2195 | Comment | ||
RSA82238 | Castilleja applegatei subsp. pinetorum | F. W. Peirson | 1925-6-26 | 6100 | Mono | Silver Lake. | 2195 | Comment | ||
RSA0006827 | Astragalus monoensis | F. W. Peirson | 1925-6-26 | 6093 | Mono | Hills north of Mammouth. | 2409 | Comment | ||
RSA72639 | Wyethia mollis | F. W. Peirson | 1925-6-26 | 6089 | Mono | Northern part of Volcanic Tableland. | Comment | |||
RSA85686 | Potentilla fruticosa | F. W. Peirson | 1925-6-27 | 6114 | Mono | Gem Lake. | 2774 | Comment | ||
RSA85745 | Potentilla flabellifolia | F. W. Peirson | 1925-6-27 | 6123 | Mono | Rush Creek. | 2896 | Comment | ||
CAS-BOT-BC391147 | Stellaria longipes subsp. longipes | Frank W. Peirson | 1925-6-28 | 6133 | Mono | Reverse Creek | 2286 | Comment | ||
SD87879 | Carex athrostachya | Frank W. Peirson | 1925-6-28 | 6134 | Mono | Reverse Creek, Silver Lake Region | 2194 | Comment | ||
RSA92280 | Layia glandulosa subsp. glandulosa | F. W. Peirson | 1925-6-29 | 6157 | Mono | North slope of grade north of Mono Lake. | 2134 | Comment | ||
UC555589 | Trifolium andersonii var. beatleyae | Frank W. Peirson | 1925-6-29 | 6154 | Mono | about 1/2 way Mono Lake to Bridgeport | Comment | |||
UC635275 | Taraxia tanacetifolia | Frank W. Peirson | 1925-6-29 | 6150 | Mono | summit of grade n Mono Lake | Comment | |||
RSA79821 | Keckiella breviflora subsp. glabrisepala | F. W. Peirson | 1925-6-30 | 6164 | Mono | West fork of Walker River below Cris Flat. | Comment | |||
LA38993 | Mimulus nanus var. mephiticus | Frank W. Peirson; | 1925-7-1 | 6174 | El Dorado | State Line, Lake Tahoe | 1920 | Comment | ||
POM87088 | Mimulus nanus var. mephiticus | F. W. Peirson | 1925-7-1 | 6174 | El Dorado | State Line, Lake Tahoe. | 1905 | Comment | ||
RSA66063 | Rorippa subumbellata | F. W. Peirson | 1925-7-1 | 6187 | El Dorado | Lake Tahoe, at State Line | 1921 | Comment | ||
RSA83953 | Saxifraga oregana | F. W. Peirson | 1925-7-1 | 6168 | El Dorado | State Line, Lake Tahoe. | 1951 | Comment | ||
SD87767 | Antennaria argentea | Frank W. Peirson | 1925-7-1 | 6181 | El Dorado | State Line, Lake Tahoe | 1905 | Comment | ||
POM87166 | Balsamorhiza sagittata | F. W. Peirson | 1925-7-1 | 6188 | El Dorado | State Line, Lake Tahoe. | 1921 | Comment | ||
RSA100239 | Porterella carnosula | F. W. Peirson | 1925-7-1 | 6191 | El Dorado | State Line, Lake Tahoe. | 1951 | Comment | ||
RSA80118 | Mimulus breweri | F. W. Peirson | 1925-7-1 | 6173 | El Dorado | State Line, Lake Tahoe. | 1921 | Comment | ||
RSA80467 | Plagiobothrys scouleri var. hispidulus | F. W. Peirson | 1925-7-1 | 8651 | El Dorado | State Line, Lake Tahoe. | 1921 | Comment | ||
RSA85219 | Horkelia fusca subsp. parviflora | F. W. Peirson | 1925-7-1 | 6184 | El Dorado | State Line, Lake Tahoe. | 1905 | Comment | ||
RSA91304 | Vicia americana var. americana | F. W. Peirson | 1925-7-1 | 6196 | El Dorado | State Line, Lake Tahoe | 1905 | Comment | ||
PASA242 | Trifolium monanthum | Frank W. Peirson | 1925-7-2 | El Dorado | Fallen Leaf Lake. On Glen Alpine road, 1/4 mile from lake | 2011 | Comment | |||
POM87079 | Polygonum argyrocoleon | F. W. Peirson | 1925-7-2 | 6204 | El Dorado | South side of Lake Tahoe. | 1905 | Comment | ||
RSA70057 | Juncus bufonius var. occidentalis | F. W. Peirson | 1925-7-2 | 6207 | El Dorado | South side of Lake Tahoe. | 1905 | Comment | ||
RSA85916 | Polygonum aviculare | F. W. Peirson | 1925-7-2 | 6204 | El Dorado | South side of Lake Tahoe. | 1905 | Comment | ||
RSA92121 | Carex nebrascensis | F. W. Peirson | 1925-7-2 | 6214 | El Dorado | South side of Lake Tahoe. | 1905 | Comment | ||
RSA69259 | Kalmia polifolia subsp. microphylla | F. W. Peirson | 1925-7-3 | 6250 | El Dorado | Susie Lake, Glen Alpine Creek Basin, Sierra Nevada. | Comment | |||
CAS-BOT-BC344347 | Madia exigua | F. W. Peirson | 1925-7-3 | 6234 | El Dorado | Glen Alpine Creek, Sierra Nevada | 2042 | Comment | ||
CAS-BOT-BC380401 | Ranunculus alismifolius var. hartwegii | F. W. Peirson | 1925-7-3 | 6252 | El Dorado | Glen Alpine Creek Basin, Sierra Nevada | 2499 | Comment | ||
RSA0019669 | Ribes velutinum | F. W. Peirson | 1925-7-3 | 6228 | El Dorado | Glen Alpine Creek Basin. Sierra Nevada. | 2439 | Comment | ||
RSA77768 | Viola glabella | F. W. Peirson | 1925-7-3 | 6246 | El Dorado | Glen Alpine Creek Basin, Sierra Nevada. | 2210 | Comment | ||
RSA88663 | Carex luzulifolia | F. W. Peirson | 1925-7-3 | 6254 | El Dorado | Grass Lake, Glen Alpine Creek Basin, Sierra Nevada. | Comment | |||
RSA92665 | Eriophyllum lanatum var. integrifolium | F. W. Peirson | 1925-7-3 | 6249 | El Dorado | Glen Alpine Creek Basin, Sierra Nevada. | 2287 | Comment | ||
JEPS38044 | Chrysolepis sempervirens | Frank W. Peirson | 1925-7-4 | 6264 | El Dorado | Fallen Leaf Lake | Comment | |||
RSA80099 | Mimulus torreyi | F. W. Peirson | 1925-7-4 | 6263 | El Dorado | Road on east shore of Fallen Leaf Lake, Sierra Nevada. | 1951 | Comment | ||
POM87067 | Polemonium pulcherrimum | F. W. Peirson | 1925-7-5 | 6275 | El Dorado | Mt. Tallac | 2622 | Comment | ||
PASA1151 | Agastache urticifolia | Frank W. Peirson | 1925-7-6 | El Dorado | Glen Alpine Road near Fallen Leaf Lake | 1981 | Comment | |||
RSA69379 | Thalictrum fendleri | F. W. Peirson | 1925-7-6 | 6285 | El Dorado | 1/4 mile above Fallen Leaf Camp | Comment | |||
RSA84419 | Caltha howellii | F. W. Peirson | 1925-7-7 | 6318 | El Dorado | Echo Lakes Divide, Sierra Nevada. | 2530 | Comment | ||
CAS-BOT-BC310930 | Heterotheca villosa var. minor | F. W. Peirson | 1925-7-15 | 6283 | El Dorado | Near foot of North Trail to Tallac | 1950 | Comment | ||
LA95097 | Mimulus nanus var. mephiticus | Frank W. Peirson; | 1925-7-26 | 6095 | Mono | N of Mammoth, between Deadman Creek and June Lake | 2377 | Comment | ||
SD87533 | Baccharis glutinosa | Frank W. Peirson | 1925-8-4 | 6327 | Santa Cruz | Santa Cruz Mountains, Boulder region, near San Lorenzo River | Comment | |||
RSA70087A | Piperia elongata | Frank W. Peirson | 1925-8-4 | 6336 | Santa Cruz | About one mile from Boulder, along San Lorenzo River. | Comment | |||
RSA83443 | Pogogyne douglasii | F. W. Peirson | 1925-8-8 | 6340 | Sonoma | Field 6 miles south of Santa Rosa | Comment | |||
SD87807 | Lessingia ramulosa | Frank W. Peirson | 1925-8-9 | 6351 | Lake | Near Upper Blue Lakes | Comment | |||
CAS-BOT-BC64595 | Armeria maritima subsp. californica | Frank W. Peirson | 1925-8-10 | 6386 | Mendocino | Jug Handle Creek. | Comment | |||
POM87058 | Horkelia californica | F. W. Peirson | 1925-8-10 | 6415 | Mendocino | 1 mile S of Albion | Comment | |||
RSA100284 | Campanula californica | F. W. Peirson | 1925-8-10 | 6372 | Mendocino | Jug Handle Creek, 6 miles north of Mendocino City. | Comment | |||
RSA65602 | Stellaria crispa | F. W. Peirson | 1925-8-10 | 6391 | Mendocino | Jug Handle Creek, 6 miles north of Mendocino City. | Comment | |||
RSA65603 | Stellaria media | F. W. Peirson | 1925-8-10 | 6390 | Mendocino | Jug Handle Creek, 6 miles north of Mendocino City. | Comment | |||
RSA68748 | Armeria maritima subsp. californica | F. W. Peirson | 1925-8-10 | 6386 | Mendocino | Jug Handle Creek, 6 miles north of Mendocino City. | Comment | |||
RSA69648 | Goodyera oblongifolia | Frank W. Peirson | 1925-8-10 | 6397 | Mendocino | Jug Handle Creek, 6 miles north of Mendocino City. | Comment | |||
RSA80354 | Conioselinum chinense | F. W. Peirson | 1925-8-10 | 6359 | Mendocino | Jug Handle Creek, 6 miles north of Mendocino City | Comment | |||
RSA86358 | Pinus muricata | F. W. Peirson | 1925-8-10 | 6408 | Mendocino | On coast south of Mendocino City, Northern California. | Comment | |||
RSA0028542 | Geranium molle | F. W. Peirson | 1925-8-10 | 6385 | Mendocino | Jug Handle Creek, 6 miles north of Mendocino City. | Comment | |||
RSA82551 | Stachys albens | F. W. Peirson | 1925-8-10 | 6379 | Mendocino | Jug Handle Creek, 5 miles north of Mendocino City. | Comment | |||
RSA94423 | Chrysanthemum segetum | F. W. Peirson | 1925-8-10 | 6414 | Mendocino | 1 mile south of Albion | Comment | |||
RSA99371 | Lonicera hispidula var. vacillans | F. W. Peirson | 1925-8-10 | 6380 | Mendocino | Jug Handle Creek, 6 miles north of Mendocino City. | Comment | |||
RSA93842 | Aster radulinus | F. W. Peirson | 1925-8-30 | 6422 | Alameda | Near summit of Berkeley Hills | Comment | |||
RSA83463 | Melissa officinalis | F. W. Peirson | 1925-9-20 | 6436 | Alameda | Hills back of Oakland. | Comment | |||
SD87862 | Epilobium densiflorum | Frank W. Peirson | 1925-9-20 | 6437 | Alameda | Hills back of Oakland, Moraga Road, | Comment | |||
POM87099 | Physalis lancifolia | F. W. Peirson | 1925-9-26 | 6447 | Solano | Suisun Marshes. Along railroad track. | Comment | |||
RSA80779 | Grindelia stricta var. angustifolia | F. W. Peirson | 1925-9-26 | 6439 | Solano | Suisun Marshes. | Comment | |||
RSA91479 | Schoenoplectus robustus | F. W. Peirson | 1925-9-26 | 6443 | Solano | Suisun Marshes | Comment | |||
RSA91916 | Phragmites australis | F. W. Peirson | 1925-9-26 | 6438 | Solano | Suisun Marshes | Comment | |||
RSA93747 | Aster subulatus var. ligulatus | F. W. Peirson | 1925-9-26 | 6444 | Solano | Suisun Marshes | Comment | |||
RSA91905 | Phalaris californica | F. W. Peirson | 1925-11-2 | 6472 | Alameda | Euclid Avenue, Cragmont, Berkeley | Comment | |||
CAS-BOT-BC263518 | Eriogonum thomasii | Frank W. Peirson | 1926-1-31 | 6490 | Riverside | Abundant at Dos Palmas, Colorado Desert | Comment | |||
RSA65388 | Atriplex hymenelytra | F. W. Peirson | 1926-2-22 | 6502 | Riverside | Thousand-Palms Canyon; Coachella Valley | Comment | |||
RSA77887 | Tiquilia palmeri | F. W. Peirson | 1926-2-22 | 5421 | Riverside | Thousand-Palms Canyon; Coachella Valley | Comment | |||
RSA85867 | Fragaria chiloensis | Mabel Peirson | 1926-2-24 | 6519 | San Mateo | Moss Beach. | Comment | |||
RSA69046 | Dodecatheon hendersonii subsp. cruciatum | F. W. Peirson | 1926-3-13 | 6526 | Alameda | Strawberry Canyon, Berkeley | Comment | |||
RSA95346 | Ceanothus oliganthus var. oliganthus | F. W. Peirson, Ruth Conrad | 1926-3-20 | 6513 | Los Angeles | Arroyo Seco. | 1006 | Comment | ||
POM175482 | Sidalcea malviflora subsp. laciniata | Mabel Peirson | 1926-3-28 | 6528 | Marin | Marin County: Elk Valley | Comment | |||
PASA1325 | Cerastium arvense var. maximum | Mabel B. Peirson | 1926-3-28 | Marin | Tennessee Cove | Comment | ||||
RSA87099 | Lupinus bicolor subsp. microphyllus | F. W. Peirson | 1926-3-28 | 6642 | Tulare | Kings River at main north and south boulevard. | Comment | |||
PASA507 | Brodiaea laxa | Frank W. Peirson | 1926-4-1 | Sonoma | 6 miles south of Cloverdale | Comment | ||||
POM89154 | Trifolium fucatum | F. W. Peirson | 1926-4-1 | 6551 | Sonoma | 6 miles south of Cloverdale. | Comment | |||
RSA100278 | Plectritis congesta subsp. brachystemon | Mabel Peirson, F. W. Peirson | 1926-4-1 | 6562 | Mendocino | Near Russian River, Hopland. | Comment | |||
RSA576932 | Plectritis macrocera | F. W. Peirson | 1926-4-1 | 6562 | Mendocino | Hopland. Near Russian River. | Comment | |||
RSA79470 | Collinsia sparsiflora var. collina | F. W. Peirson, Mabel B. Peirson | 1926-4-1 | 6543 | Marin | 4 miles north of Ignacio. | Comment | |||
RSA88647 | Carex barbarae | F. W. Peirson, Mabel Peirson | 1926-4-1 | 6559 | Mendocino | Near Russian River, Hopland. | Comment | |||
RSA97384 | Scandix pecten-veneris | F. W. Peirson, Mabel Peirson | 1926-4-1 | 6540 | Marin | 2 miles N of San Rafael | Comment | |||
RSA69891 | Fraxinus dipetala | F. W. Peirson, Mabel Peirson | 1926-4-2 | 6602 | Lake | Lower Lake. | Comment | |||
RSA77807 | Cynoglossum grande | F. W. Peirson, Mabel Peirson | 1926-4-2 | 6575 | Lake | Grade from Clear Lake on Hopland Road. | Comment | |||
RSA83970 | Saxifraga californica | F. W. Peirson | 1926-4-2 | 6569 | Lake | Hopland grade. | Comment | |||
RSA87201 | Lupinus albifrons var. albifrons | F. W. Peirson | 1926-4-2 | 6601 | Lake | Lower Lake | Comment | |||
SD87567 | Lasthenia glabrata var. glabrata | Frank W. Peirson | 1926-4-2 | 6588 | Lake | West end Clear Lake. | Comment | |||
SD87887 | Erythronium californicum | Frank W. Peirson | 1926-4-2 | 6574 | Lake | Grade down to Clear Lake, Hopland Road, abundant on shaded banks. | Comment | |||
PASA2566 | Delphinium variegatum | Frank W. Peirson | 1926-4-2 | 6564 | Mendocino | Foot of Hopland Grade | Comment | |||
RSA70331 | Asclepias cordifolia | F. W. Peirson, Mabel Peirson | 1926-4-2 | 6595 | Lake | 5 miles east of Kelseyville on the road to the Lower Lake | Comment | |||
RSA80304 | Orthocarpus purpurascens | F. W. Peirson | 1926-4-2 | 6606 | Lake | Lower Lake. | Comment | |||
RSA84874 | Ranunculus hebecarpus | Mabel Peirson | 1926-4-2 | 6603 | Lake | Hill top back from Lower Lake | Comment | |||
RSA91549 | Trifolium depauperatum | F. W. Peirson, Mabel B. Peirson | 1926-4-2 | 6589 | Lake | West end of Clear Lake. | Comment | |||
RSA91990 | Pleuropogon californicus var. davyi | F. W. Peirson, Mabel Peirson | 1926-4-2 | 6592 | Lake | 3 miles east of Kelseyville on road to Lower Lake | Comment | |||
RSA92706 | Salix exigua | F. W. Peirson | 1926-4-2 | 9602 | Lake | Hopland Grade to Clear Lake. | Comment | |||
RSA95045 | Cacaliopsis nardosmia | F. W. Peirson, Mabel Peirson | 1926-4-2 | 6577 | Lake | Grade down to Clear Lake, Hopland Road. | Comment | |||
JEPS33079 | Allium fimbriatum var. fimbriatum | F. W. Peirson | 1926-4-3 | 6618 | Lake | Middletown | Comment | |||
RSA68721 | Fritillaria recurva | Frank W. Peirson, Mabel B. Peirson | 1926-4-3 | 6622 | Lake | South of Middletown near Napa County line | Comment | |||
RSA73083 | Linanthus dichotomus subsp. dichotomus | F. W. Peirson, Mabel Peirson | 1926-4-3 | 6614 | Lake | 3.4 miles north of Middletown | Comment | |||
RSA92385 | Ancistrocarphus filagineus | F. W. Peirson, Mabel Peirson | 1926-4-3 | 6613 | Lake | 3.3 miles north of Middletown. | Comment | |||
UCR66560 | Trientalis latifolia | F. W. Peirson | 1926-4-10 | 6635 | Contra Costa | Boulevard near San Pablo Reservoir | Comment | |||
RSA97366 | Sanicula bipinnata | F. W. Peirson, Mabel Peirson | 1926-4-10 | 6633 | Alameda | West slope of El Cerrito | Comment | |||
RSA92273 | Calycadenia tenella | F. W. Peirson | 1926-4-25 | 6643 | Orange | Laguna canyon | Comment | |||
RSA66708 | Caulanthus amplexicaulis var. amplexicaulis | F. W. Peirson | 1926-4-27 | 6672 | Los Angeles | Rock Creek, north slope of San Gabriel Range | 1372 | Comment | ||
RSA91762 | Ericameria linearifolia | F. W. Peirson | 1926-4-27 | 6669 | Los Angeles | San Gabriel Mountains. North side of San Gabriel Mountains, Rock Creek. | 1296 | Comment | ||
RSA93762 | Baileya pleniradiata | F. W. Peirson | 1926-4-27 | 6676 | San Bernardino | 16 miles W of victorville, Mojave Desert | Comment | |||
RSA93814 | Chaenactis fremontii | F. W. Peirson | 1926-4-27 | 6677 | San Bernardino | 16 miles W of victorville, Mojave Desert | Comment | |||
RSA95067 | Rafinesquia neomexicana | F. W. Peirson | 1926-4-27 | 6675 | San Bernardino | 20 miles west of Voctorville | Comment | |||
SD87551 | Leptosiphon breviculus | Frank W. Peirson | 1926-4-27 | 6665 | Unknown | Rock Creek, San Gabriel Range. | 1295 | Comment Read comments Jan 1 2016 |
||
RSA65226 | Eriogonum maculatum | F. W. Peirson | 1926-4-28 | 6690 | San Bernardino | Box S Spring, s. Mojave Desert. | 1082 | Comment | ||
RSA71868 | Gilia cana subsp. bernardina | F. W. Peirson | 1926-4-28 | 6686 | San Bernardino | About 5 miles north of Box S Spring, Mojave Desert. | Comment | |||
RSA65143 | Eriogonum fasciculatum var. foliolosum | F. W. Peirson | 1926-4-30 | 6695 | San Diego | About 1 mile from Pala on the road to Henshaw Dam | Comment | |||
RSA70083 | Piperia cooperi | Frank W. Peirson | 1926-4-30 | 6697 | San Diego | About 2 miles east from Pala on the road to Henshaw Dam | Comment Read comments Dec 9 2011 |
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RSA0070478 | Orobanche californica subsp. feudgei | Frank W. Peirson | 1926-5-1 | 6722 | San Diego | Bottom lands of Temecula River, Oak Grove. | Comment | |||
RSA72235 | Camissonia palmeri | F. W. Peirson | 1926-5-8 | 6727 | Los Angeles | 12 miles E of Palmdale, Antelope Valley | Comment | |||
RSA71999 | Phlox austromontana | F. W. Peirson | 1926-5-30 | 6745 | San Bernardino | On low hills, chiefly along summits on north side of Baldwin Lake. San Bernardino Mountains. | 2043 | Comment | ||
RSA91063 | Trifolium longipes subsp. atrorubens | F. W. Peirson | 1926-5-30 | 6749 | San Bernardino | South side of Bear Lake near road to Santa Ana River, about 2 miles from Dam | 2043 | Comment | ||
RSA65687 | Lewisia nevadensis | F. W. Peirson | 1926-5-31 | 6754 | San Bernardino | Bluff Lake | 2287 | Comment | ||
RSA85714 | Potentilla wheeleri | F. W. Peirson | 1926-5-31 | 6756 | San Bernardino | Bluff Lake. | 2287 | Comment | ||
RSA83354 | Dudleya cymosa subsp. pumila | F. W. Peirson | 1926-6-2 | 7938 | Los Angeles | Trail up south fork Rock Creek. | 1828 | Comment | ||
RSA69605 | Sagittaria latifolia | F. W. Peirson | 1926-6-20 | 6759 | Butte | Banks of Sacramento River, 5 miles west of Chico. | Comment | |||
SBBG29846 | Downingia bacigalupii | F. W. Peirson | 1926-6-21 | 6802 | Plumas | ca. 0.5 mi back from N shore of Lake Almanor | Comment | |||
CAS-BOT-BC228465 | Plagiobothrys mollis | Frank W. Peirson | 1926-6-21 | 6803 | Plumas | Open strip of land between forest and lake on the N shore, Lake Almanor | 1447 | Comment | ||
PASA154 | Orthocarpus lacerus | Frank W. Peirson | 1926-6-21 | Plumas | East slope Sierra Nevada on the Humbolt Rd. | Comment | ||||
POM175522 | Erythranthe pulsiferae | F. W. Peirson | 1926-6-21 | 6801 | Plumas | Lake Almanor. | Comment | |||
RSA71855 | Collomia linearis | F. W. Peirson | 1926-6-21 | 6783 | Plumas | East slope of Sierra Nevada on Humboldt Road | Comment | |||
UC501524 | Brodiaea minor | Frank W. Peirson | 1926-6-21 | 6767 | Butte | Humboldt Road Butte Meadows | Comment | |||
PASA1628 | Dicentra formosa | Frank W. Peirson | 1926-6-22 | Shasta | Drakesbad, Lassen National Park. Trail to the Devil's Kitchen | Comment | ||||
POM98581 | Agrostis scabra | F. W. Peirson | 1926-6-22 | 6808 | Lassen | margin of Boiling Lake, Mt. Lassen National Park | Comment Read comments Apr 23 2013 |
|||
RSA77770 | Viola glabella | F. W. Peirson | 1926-6-22 | 6818 | Unknown | Trail from Devil's Kitchen, Lassen National Park. | Comment | |||
RSA79803 | Penstemon newberryi subsp. newberryi | F. W. Peirson | 1926-6-22 | 6814 | Plumas | Drakesbad, Lassen National Park. | 1677 | Comment | ||
SD87658 | Crepis monticola | Frank W. Peirson | 1926-6-22 | 6829 | Lassen | Lassen National Park | Comment | |||
UC511756 | Phacelia mutabilis | Frank W. Peirson | 1926-6-22 | 6813 | Plumas | trail from Drakesbad to the Devil's Kitchen; Lassen National Park | 1737 | Comment | ||
RSA65931 | Polygonum davisiae | F. W. Peirson | 1926-6-23 | 6841 | Shasta | Trail to summit of Lassen Peak, Lassen National Park | Comment | |||
RSA66580 | Lesquerella occidentalis | F. W. Peirson | 1926-6-23 | 6837 | Shasta | Trail to summit of Lassen Peak, Lassen National Park. | Comment | |||
RSA72652 | Helianthella californica var. nevadensis | F. W. Peirson | 1926-6-23 | 6834 | Shasta | Lower portion of trail to summit of Lassen Peak. Lassen National Park. | Comment | |||
SD87856 | Erythronium purpurascens | Frank W. Peirson | 1926-6-23 | 6844 | Shasta | Mount Lassen, extremely abundant on banks about the meadows and wood borders. | Comment | |||
CAS-BOT-BC197595 | Eriogonum vimineum | Frank Warrington Peirson | 1926-6-24 | 6856 | Modoc | Near a small lake about 3 mi E of Alturus. | Comment | |||
RSA72211 | Camissonia tanacetifolia subsp. tanacetifolia | F. W. Peirson | 1926-6-24 | 6857 | Modoc | Small lake about 3 miles east of Alturas. | Comment | |||
CAS-BOT-BC197983 | Navarretia intertexta subsp. propinqua | Frank Warrington Peirson | 1926-6-25 | 6868 | Modoc | Cedarville Pass, Warner Mts. | Comment | |||
JEPS12114 | Solanum triflorum | Frank W. Peirson | 1926-6-25 | 6878 | Modoc | Warner Mountains, Cedarville Road, 1 mi e of summit Cedarville Road; Warner Mountains, Cedarville Road | Comment | |||
JEPS12115 | Solanum triflorum | Frank W. Peirson | 1926-6-25 | 6878 | Modoc | Warner Mountains, Cedarville Road, 1 1/2 mi e of summit Cedarville Road; Warner Mountains, Cedarville Road | Comment | |||
RSA65209 | Eriogonum heracleoides var. heracleoides | F. W. Peirson | 1926-6-25 | 6863 | Modoc | Warner Mountains; not far below summit in small side canyon; Cedarville Road, west slope | Comment | |||
RSA71945 | Collomia tinctoria | F. W. Peirson | 1926-6-25 | 6892 | Modoc | 1 mile east of summit of Cedarville Road, Warner Mountains | Comment | |||
RSA77052 | Hydrophyllum capitatum var. alpinum | F. W. Peirson | 1926-6-25 | 6875 | Modoc | small side canyon on Cedarville road 1 mile W of summit of Warner Mts. | Comment | |||
RSA77589 | Mertensia longiflora | F. W. Peirson | 1926-6-25 | 6895 | Modoc | 1 mile east of summit of Cedarville Road, Warner Mountains | Comment | |||
RSA84425 | Aquilegia formosa | F. W. Peirson | 1926-6-25 | 6879 | Modoc | small side canyon on Cedarville road 1 mile W of summit of Warner Mts. | Comment | |||
POM175555A | Nemophila pedunculata | F. W. Peirson | 1926-6-25 | 6896 | Modoc | Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. | Comment | |||
RSA0011248 | Vicia americana | F. W. Peirson | 1926-6-25 | 6890 | Modoc | Small side canyon 1 mile east of summit, Cedarville Road, Warner Mountains. | 1829 | Comment | ||
RSA90968 | Erigeron pumilus var. intermedius | F. W. Peirson | 1926-6-25 | 6885 | Modoc | 1 mile east of summit, Cedarville Road, Warner Mountains | Comment | |||
JEPS16042 | Berula erecta | Frank W. Peirson | 1926-6-26 | 6903 | Modoc | Road from Alturas to Canby | Comment | |||
RSA98355 | Berula erecta | F. W. Peirson | 1926-6-26 | 6903 | Modoc | between Alturas and Canby | Comment | |||
RSA90921 | Erigeron foliosus var. confinis | F. W. Peirson | 1926-7-11 | 7024 | Siskiyou | High mountain ridge, summit of grade west of Etna or Etna Mills | 1982 | Comment | ||
CAS-BOT-BC301183 | Eriophyllum lanatum var. arachnoideum | Frank W. Peirson | 1926-7-12 | 7029 | Humboldt | West slope Coast Range back of Orick | Comment | |||
RSA79855 | Keckiella corymbosa | F. W. Peirson | 1926-7-12 | 7025 | Humboldt | Klamath River near Weitchpec. | Comment | |||
RSA85191 | Sparganium angustifolium | F. W. Peirson | 1926-7-12 | 7042 | Humboldt | Humboldt County: Orick | Comment | |||
RSA90948 | Trifolium fucatum var. fucatum | F. W. Peirson | 1926-7-12 | 7032 | Humboldt | Orick | Comment | |||
CAS-BOT-BC311079 | Heterotheca oregona var. rudis | Frank W. Peirson | 1926-7-13 | 7051 | Humboldt | Mad River, vicinity of Blue Lake | Comment | |||
RSA0022786 | Monardella villosa subsp. subserrata | F. W. Peirson | 1926-7-13 | 7050 | Humboldt | Near Blue Lake, Mad River | Comment | |||
RSA79453 | Scrophularia californica | F. W. Peirson | 1926-7-13 | 7053 | Humboldt | Vicinity of Blue Lake, Mad River. | Comment | |||
RSA80079 | Mimulus dentatus | F. W. Peirson | 1926-7-13 | 7055 | Humboldt | On south side of Mad River, near Blue Lake. | Comment | |||
JEPS10649 | Castilleja exserta subsp. latifolia | Frank W. Peirson | 1926-7-14 | 7064 a | Humboldt | Table Bluff Lighthouse Table Bluff | Comment | |||
RSA66714 | Streptanthus bernardinus | F. W. Peirson | 1926-9-5 | 7075 | San Bernardino | Lake Arrowhead | 1524 | Comment | ||
RSA93099 | Corethrogyne filaginifolia var. sessilis | F. W. Peirson | 1926-9-5 | 7072 | San Bernardino | Lake Arrowhead | 1524 | Comment | ||
UC672291 | Symphyotrichum spathulatum | Frank W. Peirson | 1926-9-5 | 7073 | San Bernardino | Arrowhead Lake, on dam San Bernardino Mts., Arrowhead Lake | 1524 | Comment | ||
RSA93730 | Acamptopappus sphaerocephalus var. sphaerocephalus | F. W. Peirson | 1927-4-11 | 7154 | Riverside | 0.5 mile below Whitewater Bridge, head of Coachella Valley. | Comment | |||
CAS-BOT-BC263508 | Eriogonum thomasii | Frank W. Peirson | 1927-4-12 | 7171 | Riverside | Foot of canyon, Painted Canyon | Comment | |||
JEPS1263 | Pholistoma racemosum | Mabel Peirson | Apr 12 1927-Apr 14 1927 | Santa Barbara | Santa Cruz Island, Prisoner's Cove Prisoner's Cove; Santa Cruz Island, Prisoner's Cove | Comment | ||||
JEPS44778 | Adenostoma fasciculatum | Mabel Peirson | Apr 12 1927-Apr 14 1927 | Santa Barbara | Santa Cruz Isl., Prisoner's Cove | Comment | ||||
PASA1119 | Lotus tomentellus | Frank W. Peirson | 1927-4-12 | Riverside | Painted Canyon, Colorado Desert | Comment | ||||
RSA66281 | Dendromecon rigida subsp. harfordii | Mabel Peirson | 1927-4-12 | 7129 | Santa Barbara | Santa Cruz Island. Lady's Harbor. | 152 | Comment | ||
RSA74951 | Phacelia distans | F. W. Peirson | 1927-4-12 | 7163 | Riverside | Painted canyon, near Mecca. | Comment | |||
UC672284 | Xylorhiza cognata | Frank W. Peirson | 1927-4-12 | 7159 | Riverside | Painted Canyon | Comment | |||
CAS-BOT-BC177744 | Astragalus crotalariae | Frank W. Peirson | 1927-4-13 | s.n. | Imperial | Imperial Valley Boulevard, opposite Salton Sea | Comment | |||
UC635305 | Astragalus crotalariae | Frank W. Peirson | 1927-4-13 | Imperial | Imperial Valley Boulevard opposite Salton Sea; opposite Salton Sea | Comment | ||||
RSA69471 | Mirabilis laevis var. retrorsa | F. W. Peirson | 1927-4-14 | 7180 | Imperial | Canyon near east end of Santa Rosa Mountains, 8 miles from Imperial Valley Boulevard. | Comment | |||
RSA75402 | Camissonia boothii subsp. condensata | F. W. Peirson | 1927-4-14 | 7183 | Imperial | Along canyon banks near east end of Santa Rosa Mountains, 8 miles from boulevard to Imperial Valley. | 305 | Comment | ||
RSA91219 | Krameria erecta | F. W. Peirson | 1927-4-14 | 7185 | San Diego | Near east end of Santa Rosa Mountains, 8 miles from Imperial Valley Boulevard. | 305 | Comment | ||
RSA97354 | Sanicula arguta | Mabel Peirson | 1927-4-14 | 7147 | Santa Barbara | Santa Cruz Island. Prisoners Cove. | Comment | |||
RSA75421 | Oenothera deltoides subsp. deltoides | F. W. Peirson | 1927-4-15 | 7192 | Imperial | 10 miles east of Holtsville | Comment | |||
SD87849 | Palafoxia arida var. gigantea | Frank W. Peirson | 1927-4-15 | 7198 | Imperial | Sand Dunes west of Yuma | Comment | |||
RSA92486 | Helianthus niveus subsp. tephrodes | F. W. Peirson | 1927-4-15 | 7197 | Imperial | Sand dunes west of Yuma. | Comment | |||
POM128762 | Atriplex elegans var. fasciculata | F. W. Peirson | 1927-4-16 | 7202 | Imperial | A couple of miles below foot of Mountain Springs grade | Comment | |||
RSA71803 | Gilia stellata | F. W. Peirson | 1927-4-16 | 7217 | Imperial | Foot of Mountain Springs Grade, Western Imperial County | Comment | |||
SD87742 | Chaenactis stevioides | Frank W. Peirson | 1927-4-16 | 7208 | Imperial | 2.0 miles below foot of Mountain Springs Grade. | Comment | |||
RSA82103 | Mimulus aurantiacus var. aridus | F. W. Peirson | 1927-4-17 | 7223 | San Diego | Just north of Boulevard, at head of Mountain Springs Grade. | 1067 | Comment | ||
RSA93955 | Hymenoclea salsola | F. W. Peirson | 1927-4-17 | 7232 | San Diego | Summit of Mountain Springs Grade. | Comment | |||
RSA128758 | Arctostaphylos glandulosa subsp. adamsii | F. W. Peirson | 1927-4-18 | 7233 | San Diego | About 1/2 way from Newtown to Buckman Sps. | Comment | |||
CAS-BOT-BC376037 | Stylocline gnaphaloides | Frank W. Peirson | 1927-4-19 | 7244 | San Diego | On headland south of Torrey Pines | Comment | |||
PASA149 | Orthocarpus densiflorus var. gracilis | Frank W. Peirson | 1927-4-19 | San Diego | Headland south of Torrey Pines | Comment | ||||
POM128739 | Trifolium depauperatum var. amplectens | F. W. Peirson | 1927-4-19 | 7252 | San Diego | Headland South of Torrey Pines | Comment | |||
RSA90154 | Astragalus didymocarpus | F. W. Peirson | 1927-4-19 | 7238 | San Diego | Headland south of Torrey Pines, | Comment | |||
RSA91907 | Phalaris caroliniana | F. W. Peirson | 1927-4-19 | 7246 | San Diego | Headland South of Torrey Pines | Comment | |||
PASA354 | Thelypodium cooperi | Frank W. Peirson | 1927-5-7 | San Bernardino | East of Kramer, Mohave Desert | Comment | ||||
RSA64778 | Goodmania luteola | F. W. Peirson | 1927-5-7 | 7266 | Kern | 12 miles south of Muroc | Comment | |||
RSA66808 | Streptanthella longirostris | F. W. Peirson | 1927-5-7 | 7272 | Kern | Muroc (10 miles south) | Comment | |||
SD87524 | Langloisia setosissima subsp. punctata | Frank W. Peirson | 1927-5-7 | 7287 | San Bernardino | 4.0 miles west of Barstow. | Comment | |||
RSA94976 | Prenanthella exigua | F. W. Peirson | 1927-5-7 | 7276 | San Bernardino | 1 mile east of Kramer. | Comment | |||
CAS-BOT-BC376675 | Syntrichopappus fremontii | F. W. Peirson | 1927-5-8 | 7290 | San Bernardino | 10 miles north of Barstow | Comment | |||
RSA94669 | Senecio douglasii var. monoensis | F. W. Peirson | 1927-5-8 | 7294 | San Bernardino | Half way between Victorville and Barstow. | Comment | |||
JEPS51896 | Chamaesyce vallis-mortae | Frank W. Peirson | 1927-5-29 | 7334 | Kern | Red Rock Canyon | Comment | |||
RSA0084024 | Potentilla | F. W. Peirson | 1927-7-19 | s.n. | Mono | Saddleback Creek. | 3018 | Comment | ||
SEINET209197 | Halimolobos diffusa var. jaegeri | Frank W. Peirson | 1927-7-24 | 7539 | Inyo | Westguard Pass East slope in crevices of rock wall. | Comment | |||
CAS-BOT-BC315924 | Hulsea vestita subsp. vestita | Frank W. Peirson | 1927-7-26 | 7563 | Mono | Gull Lake | 2316 | Comment | ||
RSA0121630 | Mentzelia monoensis | F. W. Peirson | 1927-7-26 | 7558 | Mono | Volcanic mountains between Deadman Creek and June Lake. | 2409 | Comment | ||
RSA74841 | Phacelia hastata subsp. compacta | F. W. Peirson | 1927-7-26 | 7561 | Mono | Volcanic Mountains, between Deadman Creek and June Lake. | 2409 | Comment | ||
RSA95014 | Agoseris monticola | F. W. Peirson | 1927-7-26 | 7556 | Mono | Volcanic Mountains between Deadman Creek and June Lake. | 2439 | Comment | ||
RSA65179 | Eriogonum elatum var. elatum | F. W. Peirson | 1927-7-27 | 7571 | Mono | North end of Silver Lake. | 2256 | Comment | ||
RSA70070 | Platanthera hyperborea | Frank W. Peirson | 1927-7-27 | 7574 | Mono | Slope W of camp at N end of Silver Lake. | 2256 | Comment | ||
CAS-BOT-BC365783 | Solidago spectabilis | F. W. Peirson | 1927-7-28 | 7583 | Mono | Field near Mono Lake, at Mono Inn | 1958 | Comment | ||
RSA69616 | Triglochin maritima | F. W. Peirson | 1927-7-28 | 7585 | Mono | Near Mono Lake at Mono Inn | 1966 | Comment | ||
RSA85222 | Horkelia fusca subsp. parviflora | F. W. Peirson | 1927-7-29 | 7593 | Mono | Slate Creek, east slope of Sierra Nevada. | 3018 | Comment | ||
RSA87320 | Galium bifolium | F. W. Peirson | 1927-7-29 | 7601 | Mono | Slate Creek, Sierra Nevada. | 3018 | Comment | ||
RSA0074839 | Sedum obtusatum | F. W. Peirson | 1927-7-29 | 7586 | Mono | Slate (Saddleback) Creek, Sierra Nevada. | 3018 | Comment | ||
RSA67163 | Galium trifidum var. pusillum | F. W. Peirson | 1927-7-29 | 7600 | Mono | Saddlebag Creek. Sierra Nevada. | 3201 | Comment | ||
RSA80088 | Mimulus tilingii | F. W. Peirson | 1927-7-29 | 7596 | Mono | Saddleback Creek. | 3018 | Comment | ||
RSA69404 | Delphinium nuttallianum | F. W. Peirson | 1927-7-31 | 7602 | Tuolumne | Trail from Tuolumne Meadows to Conness Peak. | 2744 | Comment | ||
RSA99366 | Lonicera cauriana | F. W. Peirson | 1927-8-1 | 7617 | Tuolumne | Soda Spring; Tuolumne Meadows; Sierra Nevada. | 2591 | Comment | ||
CAS-BOT-BC90062 | Arnica nevadensis | F. W. Peirson | 1927-8-3 | 7622 | Tuolumne | west slope of Mt. Dana | 3200 | Comment | ||
RSA65237 | Eriogonum ovalifolium var. nivale | F. W. Peirson | 1927-8-3 | 7628 | Tuolumne | West slope of Mt. Dana, Sierra Nevada. | 3506 | Comment | ||
RSA83982 | Saxifraga aprica | F. W. Peirson | 1927-8-3 | 7626 | Tuolumne | W slope of Mt Dana. Sierra Nevada. | 3354 | Comment | ||
RSA88713 | Carex helleri | F. W. Peirson | 1927-8-3 | 7631 | Tuolumne | west slope of Mt. Dana, Sierra Nevada. | 3659 | Comment | ||
RSA94894 | Arnica mollis | F. W. Peirson | 1927-8-3 | 7620 | Tuolumne | West slope of Mt. Dana, Sierra Nevada. | 3110 | Comment | ||
RSA92663 | Eriophyllum lanatum var. integrifolium | F. W. Peirson | 1927-8-5 | 7642 | Mariposa | North of Lake Tenaya, Sierra Nevada | 2485 | Comment | ||
RSA93042 | Erigeron peregrinus subsp. callianthemus | F. W. Peirson | 1927-8-5 | 7644 | Mariposa | Murphy Creek, Lake Tenaya, Sierra Nevada | 2485 | Comment | ||
RSA68702 | Lilium parvum | Frank W. Peirson | 1927-8-6 | 7666 | Mariposa | Porcupine Flat, Sierra Nevada | 2439 | Comment | ||
RSA82249 | Castilleja miniata | F. W. Peirson | 1927-8-6 | 7650 | Mariposa | Near May Lake. | 2820 | Comment | ||
RSA0124941 | Senecio integerrimus var. exaltatus | F. W. Peirson | 1927-8-6 | 7658 | Mariposa | Porcupine Flat, Sierra Nevada. | 2438 | Comment | ||
RSA92856 | Chaenactis alpigena | F. W. Peirson | 1927-8-6 | 7663 | Mariposa | Porcupine Flat, Sierra Nevada | 2439 | Comment | ||
CAS-BOT-BC375603 | Stephanomeria lactucina | Frank W. Peirson | 1927-8-7 | 7668 | Mariposa | Trail from Porcupine Flat to Yosemite Point | 2316 | Comment | ||
JEPS11336 | Kickxia elatine | Frank W. Peirson | 1927-9-25 | 7676 | Orange | flats below Wintersberg | Comment | |||
SEINET6692574 | Eriogonum deserticola | Frank W. Peirson | 1927-11-26 | 7679 | Imperial | Open desert along boulevard about 1/2 way down the Salton Sea. | Comment | |||
RSA64587 | Eriogonum pusillum | F. W. Peirson | 1928-3-10 | 7702 | Riverside | Just east of Whitewater Bridge, near Whitewater, at head of Coachella Valley. | Comment | |||
RSA80251 | Mohavea confertiflora | F. W. Peirson | 1928-3-10 | 7708 | Riverside | Hidden Spring, northern Colorado Desert. | Comment | |||
RSA65528 | Mammillaria dioica | F. W. Peirson | 1928-3-24 | 7754 | San Diego | San Felipe Canyon above Sentac Canyon. | Comment | |||
RSA77087 | Thamnosma montana | F. W. Peirson | 1928-3-24 | 7738 | San Diego | San Felipe Creek, near foot of Sentenac Canyon, eastern San Diego Co. | Comment | |||
RSA80146 | Mimulus bigelovii var. bigelovii | F. W. Peirson | 1928-3-24 | 7735 | San Diego | San Felipe Creek, Sentenac Canyon, eastern San Diego Co. | Comment | |||
RSA92527 | Bahiopsis parishii | F. W. Peirson | 1928-3-24 | 7737 | San Diego | San Felipe Creek near mouth of Sentenac Canyon, eastern San Diego. | Comment | |||
PASA2710 | Astragalus agninus | Frank W. Peirson | 1928-4-1 | 7759 | San Bernardino | Silver Lake, about 8 miles north of Baker | Comment | |||
POM90171 | Astragalus lentiginosus var. borreganus | F. W. Peirson | 1928-4-1 | 7759 | San Bernardino | Silver Lake, about 8 miles north of Baker, e. Mojave Desert. | Comment | |||
RSA77068 | Langloisia setosissima subsp. punctata | F. W. Peirson | 1928-4-1 | 7761 | San Bernardino | Bordering the Amargosa Wash, 28 miles north of Baker | Comment | |||
CAS-BOT-BC252979 | Eriogonum reniforme | Frank W. Peirson | 1928-4-2 | 7788 | Inyo | Near Bradbury Well, Death Valley Region | Comment | |||
JEPS1697 | Eucrypta micrantha | Frank W. Peirson | 1928-4-2 | 7785 | Inyo | near Bradbury Well; Death Valley Region | Comment | |||
JEPS31434 | Monoptilon bellioides | Frank W. Peirson | 1928-4-2 | 7780 | Inyo | near Bradbury Well; Death Valley Region | Comment | |||
PASA1995 | Cryptantha pterocarya var. cycloptera | Frank W. Peirson | 1928-4-2 | Inyo | Near Bradbury Well, Death Valley Region | Comment | ||||
PASA2300 | Stylocline micropoides | Frank W. Peirson | 1928-4-2 | Inyo | Near Bradbury Well, Death Valley Region | Comment | ||||
POM171192 | Sphaeralcea ambigua var. keckii | F. W. Peirson | 1928-4-2 | 7795 | Inyo | 2 miles E of Bradbury Well, Death Valley Region | Comment | |||
RSA66171 | Draba cuneifolia var. integrifolia | F. W. Peirson | 1928-4-2 | 7791 | Inyo | About 1 mile east of Bradbury Well; Death Valley Region. | Comment | |||
RSA75691 | Camissonia kernensis subsp. gilmanii | F. W. Peirson | 1928-4-2 | 7799 | Inyo | About 1 mile east of Bradbury Well, Death Valley Region. | Comment | |||
CAS-BOT-BC401939 | Gilia ochroleuca subsp. ochroleuca | F. W. Peirson | 1928-4-2 | 7805 | Inyo | 18 miles south of Ryan, Death Valley Region | Comment | |||
CAS-BOT-BC401940 | Gilia ochroleuca subsp. ochroleuca | Frank W. Peirson | 1928-4-2 | 7805 | Inyo | 18 miles south of Ryan, Death Valley Region | Comment | |||
RSA94109 | Peucephyllum schottii | F. W. Peirson | 1928-4-2 | 7813 | Inyo | Low benches along stream bed, Furnace Creek, below Ryan, Death Valley | 396 | Comment | ||
UC908516 | Gilia scopulorum | Frank W. Peirson | 1928-4-2 | 7812 | Inyo | Furnace Cr near Ryan (foot of canyon wall and in talus); Furnace Cr near Ryan | 609 | Comment | ||
JEPS21060 | Viguiera reticulata | Frank W. Peirson | 1928-4-3 | 7820 | Inyo | Emigrant Pass Death Valley Region | 914 | Comment | ||
RSA92523 | Bahiopsis reticulata | F. W. Peirson | 1928-4-3 | 7820 | Inyo | Emigrant Pass, Death Valley Region | 914 | Comment | ||
RSA90763 | Astragalus purshii var. tinctus | F. W. Peirson, Margaret Stason, F. Brubaker | 1928-4-4 | 7837 | Inyo | Wild Rose Canyon, Panamint Mts. | 1524 | Comment | ||
RSA92918 | Lasthenia gracilis | F. W. Peirson | 1928-4-4 | 7830 | Kern | Road Randsburg to Mojave and 15 miles from the former | Comment | |||
RSA65621 | Opuntia echinocarpa var. wolfii | F. W. Peirson | 1928-4-20 | 7853 | San Diego | South slope of canyon of San Felipe Creek, near foot of Sentenac Canyon. | Comment Read comments Mar 19 2020 |
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RSA70532 | Chamaesyce melanadenia | F. W. Peirson | 1928-4-20 | 7860 | San Diego | San Felipe creek near foot of Sentenac Canyon , eastern San Diego Co. | Comment | |||
RSA86986 | Senna covesii | F. W. Peirson | 1928-4-21 | 7870 | San Diego | Canyon of San Felipe Creek, near foot of Sentenac canyon | Comment | |||
CAS-BOT-BC203391 | Horsfordia newberryi | Frank W. Peirson | 1928-4-22 | 7874 | San Diego | San Felipe Creek, 4 miles below Sentenac Canyon | Comment | |||
RSA72240 | Camissonia claviformis subsp. peirsonii | F. W. Peirson | 1928-4-22 | 7880 | Imperial | Foot of rocky walls of the Narrows, San Felipe Creek. | Comment Read comments Aug 22 2014 |
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RSA74796 | Phacelia pedicellata | F. W. Peirson | 1928-4-22 | 7876 | San Diego | The Narrows, San Felipe Creek, eastern San Diego County. | Comment | |||
RSA75386 | Camissonia cardiophylla | F. W. Peirson | 1928-4-22 | 7882 | San Diego | steep rocky canyon immediately west of the Narrows, San Felipe Creek. | Comment | |||
RSA93443 | Brickellia frutescens | F. W. Peirson | 1928-4-22 | 7885 | San Diego | steep rocky canyon immediately west of the Narrows, San Felipe Creek. | Comment | |||
PASA949 | Senecio monoensis | Frank W. Peirson | 1928-4-23 | Riverside | 2 1/2 miles below Cottonwood Spring | Comment | ||||
RSA69915 | Asclepias subulata | F. W. Peirson | 1928-4-23 | 7886 | Riverside | in sandy wash land; 6 mi. n.e. of Mecca, on road to Blythe | Comment Read comments Oct 23 2011 |
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CAS-BOT-BC106344 | Brickellia atractyloides var. arguta | Frank W. Peirson | 1928-4-24 | 7900 | Riverside | Cottonwood Spring | Comment | |||
PASA307 | Nemacladus rigidus | Frank W. Peirson | 1928-4-24 | Riverside | Cottonwood Spring, 1/2 mile below spring in broad sandy wash | Comment Read comments Jun 24 2016 |
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RSA64583 | Eriogonum pusillum | F. W. Peirson | 1928-4-24 | 7912 | Riverside | Below Cottonwood Spring, northern edge of Colorado Desert. | Comment | |||
RSA65145 | Eriogonum fasciculatum | F. W. Peirson | 1928-4-24 | 7907 | Riverside | Cottonwood Spring, west end of Eagle Mtns. | Comment | |||
RSA67363 | Lepidium fremontii | F. W. Peirson | 1928-4-24 | 7902 | Riverside | Cottonwood Springs, northern Colorado Desert | Comment | |||
RSA69561 | Mentzelia jonesii | F. W. Peirson | 1928-4-24 | 7909 | Riverside | Below Cottonwood Springs, Eagle Mountains. Northern Colorado Desert. | Comment | |||
RSA93902 | Encelia actoni | F. W. Peirson | 1928-4-24 | 7891 | Riverside | Cottonwood Springs, northern Colorado Desert | Comment | |||
RSA95318 | Sphaeralcea ambigua subsp. ambigua | F. W. Peirson | 1928-4-24 | 7892 | Riverside | Cottonwood Springs, northern Colorado Desert | Comment Read comments Oct 9 2010 |
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RSA93294 | Ericameria cooperi | F. W. Peirson | 1928-4-25 | 7920 | San Bernardino | White Tank region 11 miles S of 29 Palms. | Comment | |||
RSA74919 | Phacelia egena | F. W. Peirson | 1928-6-2 | 7946 | Los Angeles | along lower part of trail up S Fork of Rock Creek, San Gabriel Mts | 1524 | Comment | ||
RSA0006074 | Orobanche valida subsp. valida | F. W. Peirson | 1928-6-2 | 7937 | Los Angeles | S fork of Rock Creek: trail toward the summit. | 1982 | Comment | ||
RSA75532 | Phacelia fremontii | F. W. Peirson | 1928-6-2 | 7947 | Los Angeles | Open clearing, south fork of Rock Creek, San Gabriel Range | 1463 | Comment | ||
RSA69912 | Asclepias vestita | F. W. Peirson | 1928-6-3 | 7950 | Los Angeles | roadside, N slope of Pinyon Ridge, betw Rock Creek and Big Pines, San Gabriel Mts. | 1372 | Comment | ||
RSA66042 | Eriogonum baileyi var. baileyi | F. W. Peirson | 1928-7-1 | 8417 | Los Angeles | San Gabriel Mountains: Aliso Canyon | 1098 | Comment | ||
RSA94422 | Chrysanthemum leucanthemum | F. W. Peirson | 1928-7-5 | 7960 | Del Norte | Open field 15-20 miles north of Crescent City | Comment | |||
RSA66058 | Rorippa curvipes var. truncata | F. W. Peirson | 1928-8-7 | 8178 | Mono | Cris Flat, west fork of Walker River. | Comment | |||
PASA347 | Stephanomeria runcinata | Frank W. Peirson | 1928-9-4 | Los Angeles | Roock Creek about 1 mile below canyon | Comment | ||||
RSA66045 | Eriogonum baileyi var. baileyi | F. W. Peirson | 1928-9-4 | 8188 | Los Angeles | Rock Creek about 1 mile below Pallett Creek | Comment | |||
RSA70312 | Juncus xiphioides | F. W. Peirson | 1928-9-4 | 8187 | Los Angeles | wet bank of irrigation ditch; Rock Creek about 1 mile above Pallett Creek | Comment | |||
RSA68967 | Plantago major | F. W. Peirson | 1928-9-5 | 8198 | San Bernardino | Near Old Woman Springs, s. Mojave Desert . | 970 | Comment | ||
RSA93843 | Aster bernardinus | F. W. Peirson | 1928-9-5 | 8195 | San Bernardino | Victorville | Comment | |||
RSA90686 | Gutierrezia microcephala | F. W. Peirson | 1928-9-6 | 8203 | San Bernardino | 1 mile S of Warrens Well, Southern Mojave Desert | Comment Read comments Mar 24 2011 |
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RSA70007 | Tidestromia oblongifolia | F. W. Peirson | 1928-11-30 | 8211 | Riverside | Foot canyon below Shavers Well, NE of Mecca. | Comment | |||
RSA72330 | Epilobium canum subsp. latifolium | F. W. Peirson | 1928-11-30 | 8212 | Riverside | Cottonwood Spring, northern Colorado Desert. | Comment Read comments Oct 9 2010 |
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RSA93251 | Ericameria cuneata var. spathulata | F. W. Peirson | 1928-11-30 | 8214 | Riverside | about 1 mile north of Cottonwood Spring, northeast of Mecca. | Comment | |||
CAS-BOT-BC123661 | Malvastrum gabrielense | Frank Warrington Peirson | 1929-1-1 | 774 | Los Angeles | San Gabriel Mts. Aliso Creek. Arraster. | 1097 | Comment | ||
RSA84515 | Ribes indecorum | F. W. Peirson | 1929-3-30 | 8278 | San Diego | south slope near summit of grade, north of Pala | Comment | |||
RSA75868 | Nemophila menziesii var. menziesii | F. W. Peirson | 1929-3-31 | 8286 | San Diego | Foot of flat below Banner, Foster Grade east of Julian. | Comment | |||
RSA77344 | Ceanothus tomentosus var. olivaceus | F. W. Peirson | 1929-3-31 | 8283 | San Diego | Banner Canyon east of Julian. | 1067 | Comment | ||
CAS-BOT-BC322521 | Malacothrix incana | Frank W. Peirson | 1929-4-20 | 8311 | Santa Barbara | Surf, sea level | Comment | |||
JEPS36628 | Malacothrix incana | Frank W. Peirson | 1929-4-20 | 8311 | Santa Barbara | Surf | Comment | |||
RSA428785 | Solanum umbelliferum | F. W. Peirson | 1929-4-20 | 8321 | Santa Barbara | Surf. | Comment | |||
RSA65188 | Chorizanthe angustifolia | F. W. Peirson | 1929-4-20 | 8310 | Santa Barbara | Surf | Comment | |||
RSA72260 | Camissonia cheiranthifolia subsp. cheiranthifolia | F. W. Peirson | 1929-4-20 | 8308 | Santa Barbara | Surf. | Comment | |||
RSA82984 | Stachys bullata | F. W. Peirson | 1929-4-20 | 8291 | Santa Barbara | El Capitan Auto Camp, on coast west of Santa Barbara. | Comment | |||
PASA813 | Lupinus concinnus var. optatus | Frank W. Peirson | 1929-5-4 | San Diego | Palomar Mt. east trail | 1066 | Comment | |||
RSA71816 | Saltugilia australis | F. W. Peirson | 1929-5-4 | 8343 | San Diego | About 5 miles N of Oak Grove. | 762 | Comment Read comments May 10 2017 |
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RSA73090 | Linanthus dianthiflorus subsp. dianthiflorus | F. W. Peirson | 1929-5-4 | 8341 | San Diego | About 5 miles N of Oak Grove. | 762 | Comment Read comments May 10 2017 |
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RSA75131 | Nemacladus pinnatifidus | F. W. Peirson | 1929-5-4 | 8358 | San Diego | On trail from Oak Grove to Palomar Mtn. | 1067 | Comment | ||
RSA75509 | Phacelia brachyloba | F. W. Peirson | 1929-5-4 | 8349 | San Diego | trail from Oak Grove to Palomar Mt. | Comment | |||
RSA81465 | Castilleja applegatei subsp. martinii | F. W. Peirson | 1929-5-4 | 8357 | San Diego | Trail from Oak Grove to Palomar Mountain. | 1296 | Comment | ||
RSA87458 | Melica imperfecta | F. W. Peirson | 1929-5-4 | 8351 | San Diego | Trail from Oak Grove to Palomar Mountain. | 1296 | Comment | ||
RSA73052 | Leptosiphon androsaceus | F. W. Peirson | 1929-5-5 | 73052 | San Diego | South slope of divide between Oak Grove and Warner's Hot Springs. | 915 | Comment | ||
RSA91592 | Carex mesochorea | F. W. Peirson | 1929-5-10 | 8365 | Los Angeles | Altadena. | Comment | |||
PASA2287 | Gnaphalium ramosissimum | Frank W. Peirson | 1929-5-17 | Santa Barbara | Surf | Comment | ||||
RSA447394 | Stachys bullata | F. W. Peirson | 1929-5-17 | 8366 | Santa Barbara | Lompoc road 1 mile east of Surf. | Comment | |||
RSA86668 | Ammophila arenaria | F. W. Peirson | 1929-5-17 | 8377 | Santa Barbara | Grade beyond Bear Creek, 2 miles south of Surf. | Comment | |||
RSA91714 | Pseudognaphalium californicum | F. W. Peirson | 1929-5-17 | 8375 | Santa Barbara | On sand dunes at Surf. | Comment | |||
RSA80166 | Collinsia heterophylla | F. W. Peirson | 1929-5-18 | 8384 | Santa Barbara | Miguelito Park, 4 miles south of Lompoc. | 122 | Comment | ||
UCR17956 | Eriogonum gracillimum | F. W. Peirson | 1929-5-18 | s.n. | San Luis Obispo | Upper Cuyama Valley | 427 | Comment | ||
UC501458 | Clarkia cylindrica subsp. cylindrica | Frank W. Peirson | 1929-5-18 | 8391 | Santa Barbara | 12 mi e Lompoc | 152 | Comment | ||
RSA90865 | Carex alma | F. W. Peirson | 1929-5-31 | 8407 | Los Angeles | Los Angeles-San Bernardino counties. San Antonio Canyon, San Gabriel Mountains. between Los Angeles and San Bernardino Counties. | 2134 | Comment | ||
RSA79753 | Keckiella ternata subsp. septentrionalis | F. W. Peirson | 1929-6-30 | 8425 | Los Angeles | Just below the old mill on the Tie Canyon stream, Aliso Creek, San Gabriel Mountians. | 1341 | Comment | ||
RSA68782 | Delphinium parishii subsp. parishii | F. W. Peirson | 1929-7-1 | 8441 | Los Angeles | Mt. Pacifico: upper part of trail, San Gabriel Mountains. | 1982 | Comment | ||
RSA100117 | Lonicera interrupta | F. W. Peirson | 1929-7-11 | 8474 | San Bernardino | City Creek road below the bridge; southern slope of San Bernardino Mountains. | 610 | Comment | ||
RSA79868 | Penstemon rostriflorus | F. W. Peirson | 1929-7-11 | 8456 | San Bernardino | Fawnskin, Bear Valley. | 2073 | Comment | ||
RSA81442 | Castilleja montigena | F. W. Peirson | 1929-7-11 | 8452 | San Bernardino | Fawnskin, Bear Valley. | 2073 | Comment | ||
RSA90065 | Lotus argyraeus var. argyraeus | F. W. Peirson | 1929-7-11 | 8451 | San Bernardino | Along summit of ridge back of Fawnskin, Bear Valley | 2073 | Comment | ||
GH404013 | Cryptantha humilis | F. W. Peirson | 1929-7-20 | 8508 | Unknown | Green Lake Valley, Bishop Creek Region | 3291 | Comment | ||
RSA65114 | Eriogonum lobbii | F. W. Peirson | 1929-7-20 | 8500 | Inyo | Trail from South Lake to Green Lake, Bishop Creek | 3293 | Comment | ||
RSA65240 | Eriogonum ovalifolium var. nivale | F. W. Peirson | 1929-7-20 | 8506 | Inyo | Green Lake Valley, Bishop Creek region, Sierra Nevada | 3293 | Comment | ||
UC638462 | Ivesia shockleyi var. shockleyi | Frank W. Peirson | 1929-7-20 | 8502 | Inyo | Green Lake Valley; Bishop Creek Region | 3291 | Comment | ||
RSA93047 | Erigeron peregrinus subsp. callianthemus | F. W. Peirson | 1929-7-20 | 8492 | Inyo | Trail from South Lake to Green Lake, Sierra Nevada | 3171 | Comment | ||
POM160268 | Juncus drummondii | F. W. Peirson | 1929-7-21 | 8524 | Inyo | Canyon south of South Lake, Bishop Creek. | 3201 | Comment | ||
RSA88712 | Carex helleri | F. W. Peirson | 1929-7-21 | 8525 | Inyo | Below unnamed lake, canyon south of South Lake, Bishop Creek. | 3201 | Comment | ||
RSA77821 | Hackelia micrantha | F. W. Peirson | 1929-7-21 | 8520 | Inyo | Canyon south of South Lake, Bishop Creek, Sierra Nevada. | 3125 | Comment | ||
RSA87225 | Lupinus pratensis | F. W. Peirson | 1929-7-21 | 8519 | Inyo | Canyon south of south Lake, Bishop Creek | 3125 | Comment | ||
CAS-BOT-BC16318 | Boechera howellii | Frank W. Peirson | 1929-7-22 | 8538 | Inyo | Bishop Pass. | 3505 | Comment | ||
RSA79988 | Castilleja nana | F. W. Peirson | 1929-7-22 | 8531 | Inyo | Trail southward from Long Lake, Bishop Creek Region. | 3415 | Comment | ||
RSA67130 | Galium hypotrichium subsp. hypotrichium | F. W. Peirson | 1929-7-24 | 8546 | Inyo | along the summit area, Inconsolable Range. | 3582 | Comment | ||
RSA86621 | Purshia tridentata var. tridentata | F. W. Peirson | 1929-7-24 | 8554 | Inyo | Slope below Green Lake, Bishop Creek region. | 3354 | Comment | ||
SD87769 | Draba sierrae | Frank W. Peirson | 1929-7-24 | 8549 | Inyo | Inconsolable Range | 3660 | Comment | ||
RSA93865 | Dugaldia hoopesii | F. W. Peirson | 1929-7-24 | 8555 | Inyo | Slope below Green Lake, Bishop Creek region. | 3354 | Comment | ||
RSA85030 | Pellaea breweri | F. W. Peirson | 1929-7-25 | 8560 | Inyo | South Lake, Bishop Creek Region, east slope of Sierra Nevada | 3018 | Comment Read comments Aug 19 2011 |
||
UC501629 | Gutierrezia sarothrae | Frank W. Peirson | 1929-8-23 | 8583 | San Bernardino | sw shore Baldwin Lake; San Bernardino Mts., Baldwin Lake | 2072 | Comment | ||
CAS-BOT-BC515050 | Eriastrum sapphirinum subsp. sapphirinum | F. W. Peirson | 1929-8-23 | 8585 | San Bernardino | SW slopes of Baldwin Lake, near lot, Bear Valley | 2072 | Comment | ||
SD87733 | Erigeron divergens | Frank W. Peirson | 1929-9-11 | 8590 | San Bernardino | Near Peter Pan Woodland Club, Bear Valley. | 2070 | Comment | ||
CAS-BOT-BC299871 | Dieteria canescens var. canescens | Frank W. Peirson | 1929-9-16 | 8593 | San Bernardino | Near Baldwin Lake, San Bernardino Mts. | 2103 | Comment | ||
RSA92662 | Eriophyllum confertiflorum | F. W. Peirson | 1929-11-10 | 8608 | San Bernardino | Road fill, Johnson Grade, East end of San Bernardino Mts | 1951 | Comment | ||
CAS-BOT-BC174419 | Eremogone macradenia var. macradenia | Frank W. Peirson | 1930-4-14 | 8698 | San Bernardino | Cave Spring, [Mohave] Mojave Desert | Comment | |||
RSA92412 | Coreopsis bigelovii | F. W. Peirson | 1930-4-14 | 8707 | San Bernardino | About 3 miles north of Cave Spring. | Comment | |||
RSA93905 | Encelia actoni | F. W. Peirson | 1930-4-14 | 8700 | Kern | Cave Spring. | Comment | |||
CAS-BOT-BC418716 | Eschscholzia glyptosperma | Frank W. Peirson | 1930-4-15 | 8711 | Inyo | 6 miles south of Death Valley Junction | 609 | Comment | ||
RSA66686 | Oxystylis lutea | F. W. Peirson | 1930-4-15 | 8716 | Inyo | Death Valley Junction. Along the Amargosa River, 7 miles S of Death Valley Junction. | 579 | Comment | ||
RSA93863 | Encelia frutescens | F. W. Peirson | 1930-4-15 | 8722 | Inyo | Near Amargosa River 9 miles south of Shoshone. | Comment | |||
RSA66745 | Eschscholzia minutiflora | F. W. Peirson | 1930-4-16 | 8739 | San Bernardino | 6 miles south of summit on Cima road, eastern San Bernardino County. | Comment | |||
RSA75526 | Phacelia fremontii | F. W. Peirson | 1930-4-16 | 8729 | San Bernardino | Cima road, 8 miles S of the Las Vegas to Baker road | Comment | |||
RSA86648 | Purshia tridentata var. glandulosa | F. W. Peirson | 1930-4-16 | 8742 | San Bernardino | 7 miles south of summity of grade on Cima Road. | Comment | |||
CAS-BOT-BC321557 | Layia glandulosa | Frank W. Peirson | 1930-4-16 | 8728 | San Bernardino | Cima Road, 8 miles S of the Las Vegas Road | Comment | |||
RSA93763 | Baileya pleniradiata | F. W. Peirson | 1930-4-16 | 8731 | San Bernardino | Cima road, 8 miles S of the Las Vegas to Baker road | Comment | |||
RSA86298 | Potentilla wheeleri | F. W. Peirson | 1930-4-27 | 8751 | San Bernardino | Southwest end of Baldwin Lake. | 2043 | Comment | ||
RSA66118 | Cusickiella douglasii | F. W. Peirson | 1930-4-28 | 8755 | San Bernardino | Sugarloaf Road south of Baldwin Lake | 2133 | Comment | ||
RSA90758 | Astragalus purshii var. lectulus | F. W. Peirson | 1930-4-28 | 8753 | San Bernardino | Sugarloaf Road south of Baldwin Lake | 2133 | Comment | ||
CAS-BOT-BC100357 | Brickellia atractyloides | Frank W. Peirson | 1930-4-29 | 8765 | San Bernardino | 2 miles east of Box S Ranch, [Mohave] Mojave Desert | 914 | Comment | ||
CAS-BOT-BC295703 | Erigeron parishii | Frank W. Peirson | 1930-4-29 | 8761 | San Bernardino | Cushenbury Grade, San Bernardino Mts. | 1371 | Comment | ||
CAS-BOT-BC89475 | Lepidium fremontii | Frank W. Peirson | 1930-4-29 | 8760 | San Bernardino | San Bernardino Mountains. Cushenbury Grade. | 1219 | Comment | ||
RSA571787 | Ephedra nevadensis | F. W. Peirson | 1930-4-29 | 8766 | San Bernardino | 1 mile west of the Mohave River on the Hesperia Road. | 854 | Comment | ||
RSA67362 | Lepidium fremontii | F. W. Peirson | 1930-4-29 | 8760 | San Bernardino | A short distance below Cusshenberry Springs, N base of San Bernardino Mt. | 1220 | Comment | ||
RSA0091448 | Amsinckia tessellata var. tessellata | Frank W. Peirson | 1930-5-12 | 8792 | Los Angeles | Along boulevard nearly opposite Acton, about 3 miles north of Mint Canyon summit. | Comment | |||
RSA71821 | Gilia capitata subsp. abrotanifolia | F. W. Peirson | 1930-5-13 | 8837 | Kern | River embankment, Kern River. | 845 | Comment | ||
RSA71870 | Gilia cana subsp. speciosa | F. W. Peirson | 1930-5-13 | 8819 | Kern | 5 miles north of Ricardo, Indian Wells Valley | 1006 | Comment | ||
RSA75403 | Camissonia boothii subsp. desertorum | F. W. Peirson | 1930-5-13 | 8811 | Kern | Red Rock Canyon. | 884 | Comment | ||
RSA79752 | Penstemon grinnellii subsp. scrophularioides | F. W. Peirson | 1930-5-13 | 8833 | Kern | In great abundance along south bank of Cannell Creek, about 1/4 mi. back from Kern River. | 845 | Comment | ||
RSA93830 | Chaenactis carphoclinia var. carphoclinia | F. W. Peirson | 1930-5-13 | 8808 | Kern | Red Rock Canyon | 884 | Comment | ||
RSA93952 | Hymenoclea salsola | F. W. Peirson | 1930-5-13 | 8816 | Kern | 5 miles north of Ricardo, Indian Wells Valley | 1006 | Comment | ||
RSA94961 | Malacothrix clevelandii | F. W. Peirson | 1930-5-13 | 8835 | Kern | Kern River | 845 | Comment | ||
RSA95366 | Sphaeralcea ambigua subsp. ambigua | F. W. Peirson | 1930-5-13 | 8815 | Kern | 5 miles north of Ricardo, Indian Wells Valley | 1006 | Comment | ||
RSA175557 | Nemophila maculata | F. W. Peirson | 1930-5-14 | 8866 | Kern | Greenhorn Range on road from Kernville to Glenville | 1677 | Comment | ||
RSA66274 | Eschscholzia caespitosa | F. W. Peirson | 1930-5-14 | 8863 | Kern | On road from Kernville to Glenville, Greenhorn Range | 1601 | Comment | ||
RSA73007 | Linanthus parryae | F. W. Peirson | 1930-5-14 | 8851 | Kern | Road from Kernville to Glenville, east slope of Greenhorn range. | 1524 | Comment | ||
RSA73016 | Leptosiphon nudatus | F. W. Peirson | 1930-5-14 | 8852 | Kern | Road from Kernville to Glenville, east slope of Greenhorn range. | 1524 | Comment | ||
RSA76013 | Nemophila pulchella | F. W. Peirson | 1930-5-14 | 8867 | Kern | Road from Kernville to Glenville, east slope of Greenhorn range. | 1524 | Comment | ||
RSA85294 | Ranunculus occidentalis var. eisenii | F. W. Peirson | 1930-5-14 | 8868 | Kern | On road from Kernville to Glenville, on east side of Greenhorn Range. | 1463 | Comment | ||
CAS-BOT-BC225673 | Leptosiphon serrulatus | F. W. Peirson | 1930-5-15 | 8888 | Kern | Hills near Glennville, Greenhorn Range | 1036 | Comment | ||
SD87526 | Leptosiphon montanus | Frank W. Peirson | 1930-5-15 | 8896 | Kern | Greenhorn Range. | 1067 | Comment | ||
CAS-BOT-BC438076 | Lithophragma parviflorum | Frank W. Peirson | 1930-5-15 | 8889 | Kern | hills nw of Glenville, Greenhorn mts. | 1066 | Comment | ||
RSA97251 | Lomatium vaginatum | F. W. Peirson | 1930-5-15 | 8895 | Kern | Greenhorn Range, in hills northwest of Glenville | 1067 | Comment | ||
RSA87219 | Lupinus peirsonii | F. W. Peirson | 1930-5-30 | 8904 | Los Angeles | North slope of Rock Creek | 1372 | Comment | ||
POM171942 | Astragalus bernardinus | F. W. Peirson | 1930-5-31 | 8924 | San Bernardino | Summit of grade above Warrens Well. Little San Bern Mtns. | Comment | |||
RSA80236 | Orthocarpus purpurascens var. ornatus | F. W. Peirson | 1930-5-31 | 8920 | San Bernardino | Road from Lovejoy Buttes to Adelanto, southwestern Mojave Desert. ca. 20 mi. west of Victorville. | Comment | |||
RSA86685 | Leymus triticoides | F. W. Peirson | 1930-7-1 | 8954 | San Bernardino | Southwest shore of Baldwin Lake | Comment | |||
RSA90952 | Erigeron divergens | F. W. Peirson | 1930-7-1 | 8959 | San Bernardino | Baldwin Lake | 2043 | Comment | ||
PASA549 | Allium lacunosum | Frank W. Peirson | 1930-7-2 | San Bernardino | Ridge south of summit of Johnson's Grade, San Bernardino Mts. | 2133 | Comment | |||
RSA65929 | Eriogonum kennedyi var. kennedyi | F. W. Peirson | 1930-7-2 | 8966 | San Bernardino | Ridge at summit of Johnson's Grade, east of Baldwin Lake. | 2104 | Comment | ||
RSA68962 | Plantago purshii var. oblonga | F. W. Peirson | 1930-7-2 | 8967 | San Bernardino | Ridge south from summit of Johnsons Grade, east end of San Bernardino Mountains | 2104 | Comment | ||
RSA70598 | Iris missouriensis | Frank W. Peirson | 1930-7-3 | 8980 | San Bernardino | Below Fish Hatchery, south of Baldwin Lake, San Bernardino Mountains. | 2195 | Comment | ||
RSA82385 | Scutellaria siphocampyloides | F. W. Peirson | 1930-7-3 | 8977 | San Bernardino | Along a road leading to Fish Hatchery south of Baldwin Lake, San Bernardino Mountains | 2134 | Comment | ||
RSA86655 | Purshia tridentata var. glandulosa | F. W. Peirson | 1930-7-3 | 8982 | San Bernardino | About 0.5 mile below Fish Hatchery south of Baldwin Lake. | 2195 | Comment | ||
PASA2375 | Acer glabrum | Frank W. Peirson | 1930-7-4 | San Bernardino | Greene Creek, north slope Sugarloaf, San Bernardino Mts. | 2438 | Comment | |||
RSA74925 | Phacelia hastata | F. W. Peirson | 1930-7-4 | 8998 | San Bernardino | Greene Creek, north slope of Sugerloaf. | 2515 | Comment | ||
RSA75947 | Phacelia austromontana | F. W. Peirson | 1930-7-4 | s.n. | San Bernardino | Green Creek, north slope of Sugarloaf, San Bernardino Mts. | 2378 | Comment | ||
RSA90251 | Astragalus lentiginosus var. sierrae | F. W. Peirson | 1930-7-4 | 8991 | San Bernardino | Greene Creek, north slope of Sugarloaf Peak | 2438 | Comment | ||
RSA0063186 | Heuchera parishii | F. W. Peirson | 1930-7-4 | 9000 | San Bernardino | Open ridge above Greene Creek Canyon, Sugarloaf Peak. | 2591 | Comment | ||
PASA481 | Salvia carnosa | Frank W. Peirson | 1930-7-5 | San Bernardino | Road from Bear Lake to Holcomb Valley, San Bernardino Mts. | 2133 | Comment | |||
RSA74927 | Phacelia imbricata subsp. patula | F. W. Peirson | 1930-7-5 | 9005 | San Bernardino | Quarry northwest of Baldwin Lake, San Bernardino Mountains. | 2073 | Comment | ||
RSA81443 | Castilleja montigena | F. W. Peirson | 1930-7-5 | 9008 | San Bernardino | Road from Bear Lake to Holcomb Valley | 2134 | Comment | ||
RSA90184 | Astragalus bicristatus | F. W. Peirson | 1930-7-5 | 9007 | San Bernardino | Road from Bear Lake to Holcomb Valley | 2133 | Comment | ||
RSA97414 | Tauschia parishii | F. W. Peirson | 1930-7-5 | 9009 | San Bernardino | Road from Bear Lake to Holcomb Valley, San Bernardino Mts. | 2133 | Comment | ||
CAS-BOT-BC343815 | Madia elegans | F. W. Peirson | 1930-7-7 | 9026 | San Bernardino | Arrastre Flat, San Bernardino Mts. | 2286 | Comment | ||
PASA156 | Orthocarpus lasiorhynchus | Frank W. Peirson | 1930-7-7 | San Bernardino | Arrastre Flat, San Bernardino Mts. | 2285 | Comment | |||
RSA80058 | Veronica peregrina subsp. xalapensis | F. W. Peirson | 1930-7-7 | 9018 | San Bernardino | Arrastre Flat | 2287 | Comment | ||
RSA86365 | Pinus flexilis | F. W. Peirson | 1930-7-8 | 9037 | San Bernardino | Fish Hatchery creek [possibly Green Canyon Creek], north slope of Sugarloaf Peak, San Bernardino Mts. | 2515 | Comment Read comments Aug 15 2011 |
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PASA2061 | Streptanthus major | Frank W. Peirson | 1930-7-8 | San Bernardino | Fish Hatcher Creek, Bear Valley, San Bernardino Mts. | 2438 | Comment | |||
POM171930 | Muhlenbergia richardsonis | F. W. Peirson | 1930-8-3 | 9070 | Inyo | Rock Creek Lake Basin | 3201 | Comment | ||
RSA69771 | Gentianopsis holopetala | F. W. Peirson | 1930-8-3 | 9068 | Inyo | Heart Lake, Rock Creek Lake Basin. | 3201 | Comment | ||
RSA82273 | Castilleja lemmonii | F. W. Peirson | 1930-8-3 | 9062 | Inyo | shore of Heart Lake, Rock Creek Lake Basin. | 3195 | Comment Read comments Dec 19 2011 |
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RSA88662 | Carex fissuricola | F. W. Peirson | 1930-8-3 | 9072 | Inyo | On margin of Heart Lake, Rock Creek Lake Basin. | 3201 | Comment | ||
RSA30895 | Carex rostrata | F. W. Peirson | 1930-8-3 | 9073 | Inyo | east of Heart Lake, Rock Creek Lake Basin. | 3200 | Comment | ||
RSA90903 | Carex utriculata | F. W. Peirson | 1930-8-3 | 9074 | Inyo | On margin of Heart Lake, Rock Creek Lake Basin. | 3201 | Comment | ||
RSA0001040 | Castilleja peirsonii | F. W. Peirson | 1930-8-4 | 9078 | Inyo | Upper Rock Creek Lake Basin. | 3293 | Comment | ||
CAS-BOT-BC22194 | Carex helleri | Frank W. Peirson | 1930-8-5 | 9093 | Inyo | Summit of Mono Pass, Rock Creek Lake Basin, Sierra Nevada. | 3657 | Comment | ||
RSA91612 | Carex congdonii | F. W. Peirson | 1930-8-5 | 9106 | Inyo | Gorge east of Mono Pass, Rock Creek Lake Basin | 3598 | Comment | ||
RSA93274 | Ericameria discoidea | F. W. Peirson | 1930-8-5 | 9097 | Inyo | Rock Creek Lake Basin, Trail to Mono Pass | 3596 | Comment | ||
RSA94513 | Arnica nevadensis | F. W. Peirson | 1930-8-5 | 9099 | Inyo | Gorge east of Mono Pass, Rock Creek Lake Basin | 3628 | Comment | ||
RSA94719 | Senecio fremontii | F. W. Peirson | 1930-8-5 | 9094 | Inyo | East of summit of Mono Pass, Rock Creek Lake Basin | 3628 | Comment | ||
POM175532 | Salix arctica | F. W. Peirson | 1930-8-7 | 9121 | Inyo | Rock Creek Lake Basin, valley south of Ruby Lake. | 3445 | Comment | ||
RSA33880 | Sphaeromeria cana | F. W. Peirson | 1930-8-7 | 9115 | Inyo | Rock Creek Lake Basin, Sierra Nevada, northern Inyo [Co.] | 3354 | Comment | ||
RSA65071 | Eriogonum incanum | F. W. Peirson | 1930-8-7 | 9124 | Inyo | Ruby Lake, Rock Creek Lake Basin. | 3399 | Comment | ||
RSA83957 | Saxifraga nidifica | F. W. Peirson | 1930-8-7 | 9118 -a | Inyo | Valley southward from Ruby Lake, Rock Creek Lake Basin. | 3476 | Comment | ||
RSA83985 | Saxifraga odontoloma | F. W. Peirson | 1930-8-7 | 9131 | Inyo | Spring on west shore of Ruby Lake, Rock Creek Lake Basin. | 3399 | Comment | ||
CAS-BOT-BC428636 | Micranthes bryophora | F. W. Peirson | 1930-8-7 | 9117 | Inyo | Near summit of divide west of Long Lake, Rock Creek Lake Basin, Sierra Nevada | 3474 | Comment | ||
RSA78534 | Carex vernacula | F. W. Peirson | 1930-8-7 | 13590 | Inyo | Stream south of Ruby Lake, Rock Creek Lake Basin. | Comment | |||
RSA91120 | Trifolium monanthum subsp. monanthum | F. W. Peirson | 1930-8-7 | 9122 | Inyo | West shore of Ruby Lake, Rock Creek Lake Basin, northern Inyo Co. | 3399 | Comment | ||
RSA84941 | Ribes montigenum | F. W. Peirson | 1930-8-8 | 9137 | Inyo | West of Heart Lake, Rock Creek Lake Basin | 3232 | Comment | ||
RSA69791 | Gentianella amarella | F. W. Peirson | 1930-8-8 | 9142 | Inyo | West of Heart Lake, Rock Creek Lake Basin. | 3201 | Comment | ||
RSA93644 | Antennaria rosea | F. W. Peirson | 1930-8-8 | 9139 | Inyo | West of Heart Lake, foot of rock parapet, northern Inyo County | 3232 | Comment | ||
RSA94910 | Cirsium scariosum | F. W. Peirson | 1930-8-8 | 9149 | Inyo | West of Heart Lake, Rock Creek Lake Basin | 3201 | Comment | ||
RSA66524 | Arabis holboellii var. pinetorum | F. W. Peirson | 1930-8-9 | 11323 | Inyo | Along the Ruby Lake stream, Rock Creek Lake Basin | 3293 | Comment | ||
RSA69510 | Veratrum californicum | Frank W. Peirson | 1930-8-9 | 9161 | Inyo | In Ruby Stream, Rock Creek Lake Basin, northern Inyo Co. | 3323 | Comment | ||
RSA69746 | Luzula parviflora | F. W. Peirson | 1930-8-9 | 9168 | Inyo | Ruby Lake stream west of Heart Lake, Rock Creek Lake Basin. | 3232 | Comment | ||
RSA92864 | Chaenactis alpigena | F. W. Peirson | 1930-8-9 | 9156 | Inyo | E of Heart Lake, Rock Creek Lake Basin | 3537 | Comment | ||
RSA94515 | Arnica amplexicaulis | F. W. Peirson | 1930-8-9 | 9159 | Inyo | In Ruby Stream, Rock Creek Lake Basin, northern Inyo Co. | 3323 | Comment | ||
RSA86682 | Cercocarpus ledifolius | F. W. Peirson | 1930-8-11 | 9175 | Inyo | Above Rock Creek Lake, Rock Creek Lake Basin, Northern Inyo county. | 3018 | Comment | ||
CAS-BOT-BC332950 | Senecio spartioides | Frank W. Peirson | 1930-8-11 | 9179 | Mono | North of Deadman Creek | 2438 | Comment | ||
RSA0013670 | Senecio spartioides | F. W. Peirson | 1930-8-11 | 9179 | Mono | Volcanic mountains north of Deadman Creek. | 2439 | Comment | ||
RSA93858 | Chrysothamnus parryi subsp. asper | F. W. Peirson | 1930-8-11 | 9177 | Mono | Volcanic mountains north of Deadman Creek. | 2439 | Comment | ||
POM171920 | Astragalus canadensis var. brevidens | F. W. Peirson | 1930-8-12 | 9197 | Mono | North shore of Mono Lake | 1966 | Comment | ||
RSA65362 | Atriplex canescens | F. W. Peirson | 1930-8-12 | 9203 | Mono | N shore of Mono Lake. E of Sierra Nevada. | 1966 | Comment | ||
RSA90191 | Astragalus casei | F. W. Peirson | 1930-8-12 | 9188 | Mono | Just back of willows on shore of Mono Lake. | 1966 | Comment | ||
RSA91067 | Phacelia humilis var. humilis | F. W. Peirson | 1930-8-12 | 9190 | Mono | Shore of Mono Lake. | 1966 | Comment | ||
RSA93664 | Solidago spectabilis | F. W. Peirson | 1930-8-12 | 9192 | Mono | Mono Lake | 1966 | Comment | ||
SD87751 | Eleocharis erythropoda | Frank W. Peirson | 1930-8-12 | 9182 | Mono | Mono Lake, ground wet from springs back from shore of lake. (IPB 10/07) | 1958 | Comment | ||
RSA0016778 | Hippuris vulgaris | F. W. Peirson | 1930-8-14 | 9222 | Tuolumne | Pool near river at Soda Spring, Tuolumne Meadows. | 2622 | Comment | ||
RSA93146 | Aster occidentalis | F. W. Peirson | 1930-8-14 | 9220 | Tuolumne | Tuolumne Meadows, Sierra Nevada. | 2591 | Comment | ||
PASA1835 | Ligusticum grayi | Frank W. Peirson | 1930-8-15 | Mariposa | Lake Tenaya Region | 2499 | Comment | |||
RSA87414 | Lupinus latifolius subsp. longipes | F. W. Peirson | 1930-8-15 | 9227 | Mariposa | Murphy Creek, Lake Tenaya region, Yosemite National Park. | 2500 | Comment | ||
RSA91615 | Carex athrostachya | F. W. Peirson | 1930-8-17 | 9236 | Mariposa | meadow opposite Glacier Point, Yosemite Valley floor | 1220 | Comment | ||
RSA92103 | Cyperus squarrosus | F. W. Peirson | 1930-8-17 | 9241 | Mariposa | Meadow opposite Glacier Point, floor of Yosemite Valley, Yosemite National Park | 1220 | Comment | ||
RSA93030 | Erigeron strigosus | F. W. Peirson | 1930-8-17 | 9240 | Mariposa | Floor of Yosemite Valley opposite Glaicer Point, Yosemite National Park | 1220 | Comment | ||
CAS-BOT-BC304324 | Galinsoga parviflora | F. W. Peirson | 1931-4-11 | 9375 | Los Angeles | 1077 New York Ave, Altadena | Comment | |||
UC501447 | Galinsoga parviflora var. parviflora | Frank W. Peirson | 1931-4-11 | 9375 | Los Angeles | 1077 New York Avenue Altadena | Comment | |||
SD87673 | Salix orestera | Frank W. Peirson | 1931-7-17 | 9428 | Inyo | Rock Creek Lake Basin, along Ruby stream | 3261 | Comment | ||
RSA64809 | Chenopodium atrovirens | F. W. Peirson | 1931-7-17 | 9439 | Inyo | Heart Lake, Rock Creek Lake Basin, northern Inyo Co. | 3232 | Comment | ||
RSA72162 | Epilobium hornemannii subsp. hornemannii | F. W. Peirson | 1931-7-17 | 9597 | Inyo | About 1/4 mile south of Ruby Falls, Rock Creek Lake Basin. | 3323 | Comment | ||
POM175516 | Arabis inyoensis | F. W. Peirson | 1931-7-18 | 9455 | Inyo | Along rock ridge on E shore of Long Lake, Rock Creek Lake Basin | 3247 | Comment | ||
RSA66166 | Erysimum capitatum var. perenne | F. W. Peirson | 1931-7-18 | 9458 | Inyo | On east shore of Long Lake, Rock Creek Lake Basin. | 3247 | Comment | ||
RSA80045 | Castilleja nana | F. W. Peirson | 1931-7-18 | 9487 | Inyo | Upper basin near Chickenfoot Lake, Rock Creek Lake Basin. | 3277 | Comment | ||
RSA65471 | Rumex salicifolius var. denticulatus | F. W. Peirson | 1931-7-19 | 9430 | Inyo | East slope Rock Creek Lake Basin. | 3317 | Comment | ||
RSA66549 | Draba breweri | F. W. Peirson | 1931-7-19 | 9452 | Inyo | Trail to cirque on E slope, Rock Creek Lake Basin | 3262 | Comment | ||
RSA85743 | Potentilla flabellifolia | F. W. Peirson | 1931-7-19 | 9478 | Inyo | Rock Creek Lake Basin, Sierra Nevada. | 3354 | Comment | ||
RSA90970 | Erigeron coulteri | F. W. Peirson | 1931-7-21 | 9502 | Inyo | West shore of Long Lake, Rock Creek Lake Basin | 3232 | Comment | ||
RSA84214 | Sedum lanceolatum | F. W. Peirson | 1931-7-22 | 9459 | Inyo | rocky places high above the south shore of Ruby Lake, Rock Creek Lake Basin, | 3445 | Comment | ||
RSA80223 | Penstemon rostriflorus | F. W. Peirson | 1931-7-23 | 9492 | Inyo | East of Heart Lake, Rock Creek Lake Basin, northern Inyo Co. | 3232 | Comment | ||
JEPS45575 | Cercocarpus ledifolius | Frank W. Peirson | 1931-7-25 | 9470 | Inyo | ridge near Heart Lake (Rock Creek Lake Basin); Rock Creek Lake Basin | 3200 | Comment | ||
RSA86683 | Cercocarpus ledifolius | F. W. Peirson | 1931-7-25 | 9470 | Inyo | Heart Lake, Rocky Creek Lake Basin, northern Inyo county | 3232 | Comment | ||
RSA86653 | Purshia tridentata var. tridentata | F. W. Peirson | 1931-7-28 | 9469 | Inyo | Transverse Ridge, Rock Creek Lake Basin. | 3201 | Comment | ||
CAS-BOT-BC118847 | Carex praeceptorum | Frank Warrington Peirson | 1931-7-30 | 9417 | Inyo | Rock Creek Lake Basin at Ruby Falls. | 3322 | Comment | ||
RSA86345 | Juniperus occidentalis var. australis | F. W. Peirson | 1931-7-30 | 9395 | Inyo | Along Ruby Stream. Rock Creek Lake Basin, at 10,800 ft. | 3293 | Comment | ||
CAS-BOT-BC189468 | Cryptantha circumscissa var. circumscissa | Frank W. Peirson | 1931-7-31 | 9485 | Inyo | Rock Creek Lake Basin, roadside below Heart Lake | 3169 | Comment | ||
RSA87058 | Hordeum jubatum | F. W. Peirson | 1931-7-31 | 9410 | Inyo | Heart Lake, Rock Creek Lake Basin | 3201 | Comment | ||
UC698495 | Eleocharis acicularis | Frank W. Peirson | 1931-7-31 | 9413 | Inyo | drying pond on Escarpment w Heart Lake; Rock Creek Lake Basin | 3352 | Comment | ||
CAS-BOT-BC217523 | Galium hypotrichium subsp. hypotrichium | Frank W. Peirson | 1931-8-2 | 9498 | Inyo | Rock Creek Lake Basin | 3413 | Comment | ||
CAS-BOT-BC294950 | Erigeron clokeyi | Frank W. Peirson | 1931-8-2 | s.n. | Inyo | Rock Creek Lake Basin | 3291 | Comment | ||
RSA67143 | Galium hypotrichium subsp. hypotrichium | F. W. Peirson | 1931-8-2 | 9498 | Inyo | Slope west of Heart Lake, Rock Creek Lake Basin. | 3415 | Comment | ||
RSA87354 | Melica stricta | F. W. Peirson | 1931-8-2 | 9406 | Inyo | Heart Lake, Rock Creek Lake Basin | Comment | |||
SD87683 | Erigeron clokeyi | Frank W Peirson | 1931-8-2 | Inyo | Rock Creek Lake Basin, west of Heart Lake | 3290 | Comment | |||
RSA92116 | Carex senta | F. W. Peirson | 1931-8-2 | 9414 | Inyo | Near Heart Lake, Rock Creek Lake Basin, northern Inyo County. | 3201 | Comment | ||
RSA87120 | Agrostis pallens | F. W. Peirson | 1931-8-7 | 9526 | Alpine | above Grass Lake. Glen Alpine Creek Basin | 2287 | Comment | ||
POM84481 | Aconitum columbianum var. columbianum | F. W. Peirson | 1931-8-7 | 9521 | El Dorado | Glen Alpine Creek Basin. | 2226 | Comment | ||
RSA91742 | Muhlenbergia richardsonis | F. W. Peirson | 1931-8-7 | 9527 | El Dorado | Above Grass Lake, Glen Alpine Creek Basin | 2256 | Comment | ||
RSA91957 | Glyceria striata | F. W. Peirson | 1931-8-7 | 9533 | El Dorado | Trail to Grass Lake above Glen Alpine. | 2134 | Comment | ||
RSA86746 | Elymus glaucus | F. W. Peirson | 1931-8-8 | 9534 | El Dorado | Lake of the Woods Trail; Glen Alpine Creek Basin | 2256 | Comment | ||
RSA70296 | Juncus orthophyllus | F. W. Peirson | 1931-8-8 | 9538 | El Dorado | Marsh near trail to Lake of the Woods; Glen Alpine Creek Basin. | 2043 | Comment | ||
RSA95191 | Arnica longifolia | F. W. Peirson | 1931-8-9 | 9541 | El Dorado | Great masses where East Trail and Middle Trail join, Mt. Tallac, Sierra Nevada | 2622 | Comment | ||
RSA72653 | Helianthella californica var. nevadensis | F. W. Peirson | 1931-8-10 | 9572 | Nevada | On banks of Yuba River, Sierra Camp, 4 miles west of Donner Pass | 2058 | Comment | ||
RSA69685 | Mentzelia affinis | F. W. Peirson | 1932-3-21 | 9791 | Imperial | 10 miles N of Ogilby, Eastern Imperial County | Comment | |||
RSA77416 | Brandegea bigelovii | F. W. Peirson | 1932-3-21 | 9790 | Imperial | Desert 10 mi. N of Ogilby. | 152 | Comment | ||
UC501479 | Chylismia claviformis subsp. yumae | Frank W. Peirson | 1932-3-21 | 9768 | Imperial | 6 mi e Holtville (slightly above sea level) | Comment | |||
RSA0108306 | Cryptantha costata | F. W. Peirson | 1932-3-21 | 9773 | Imperial | 10 miles east of Holtville. | 23 | Comment | ||
RSA90745 | Astragalus magdalenae var. peirsonii | F. W. Peirson | 1932-3-21 | 9776 | Imperial | The east edge of the Sand Hills east of Holtville | 60 | Comment | ||
UC908900 | Gilia stellata | Frank W. Peirson | 1932-3-22 | 9803 | Imperial | Midway Well Midway Well (eastern Imperial County) | 152 | Comment | ||
RSA91430 | Dalea mollis | F. W. Peirson | 1932-3-22 | 9811 | Riverside | 20 miles North of Blythe on the road to Needles, Eastern Riverside. | 152 | Comment | ||
RSA74173 | Phacelia ambigua | F. W. Peirson | 1932-3-23 | 9814 | San Bernardino | Along base of desert hills,18 miles S of Needles on Blythe Road | Comment | |||
RSA74496 | Phacelia neglecta | F. W. Peirson | 1932-3-24 | 9834 | San Bernardino | Baker. Along southwest base of rocky hills. | Comment | |||
RSA75120B | Nemacladus orientalis | F. W. Peirson | 1932-3-24 | s.n.-b | San Bernardino | Near the town of Baker. | 280 | Comment | ||
RSA66154 | Erysimum capitatum var. capitatum | F. W. Peirson | 1932-3-25 | 9837 | San Bernardino | 8 miles from Barstow on road to Victorville | 701 | Comment | ||
UC501597 | Erysimum capitatum var. capitatum | Frank W. Peirson | 1932-3-25 | 9837 | San Bernardino | on Victorville Rd 8 mi from Barstow | 670 | Comment | ||
RSA65884 | Monolepis nuttalliana | F. W. Peirson | 1932-4-17 | 9849 | Los Angeles | Near dam head, Lovejoy Buttes, Mohave Desert | 762 | Comment | ||
RSA68785 | Delphinium parishii | F. W. Peirson | 1932-4-17 | 9854 | Los Angeles | Below the Lovejoy Dam, Lovejoy Buttes, Mojave Desert. | 762 | Comment | ||
UC483091 | Salix exigua | Frank W. Peirson | 1932-5-6 | 9900 a | Inyo | <Wild> Rose Canyon; Panamint Mts. | 1143 | Comment | ||
UC501442 | Phlox stansburyi | Frank W. Peirson | 1932-5-6 | 9904 | Inyo | Wild Rose Canyon Panamint Mts. | 1981 | Comment | ||
RSA71848 | Gilia cana subsp. triceps | F. W. Peirson | 1932-5-6 | 9902 | Inyo | Wild Rose Canyon, Panamint Mts. | 1143 | Comment | ||
RSA90762 | Astragalus purshii var. tinctus | F. W. Peirson | 1932-5-6 | 9905 | Inyo | Wild Rose Canyon, Panamint Mountains. | 1982 | Comment | ||
CAS-BOT-BC305829 | Heliomeris multiflora var. nevadensis | Frank W. Peirson | 1932-5-7 | 9912 | Inyo | North Fork Hanaupah Canyon, Panamint Mts. | 1828 | Comment | ||
POM72232 | Camissonia pterosperma | F. W. Peirson | 1932-5-7 | 9919 | Inyo | Light soil on south bank of North Fork of Hanaupah Canyon, Panamint Mts. | 1829 | Comment | ||
RSA68963 | Plantago purshii var. oblonga | F. W. Peirson | 1932-5-7 | 9920 | Inyo | North fork of Hanaupah Canyon, Panamint Mountains. | 2134 | Comment | ||
RSA86211 | Cheilanthes parryi | F. W. Peirson | 1932-5-7 | 9921 | Inyo | North fork of Hanaupah Canyon, Panamint Mountains. | 2134 | Comment | ||
RSA90320 | Lotus humistratus | F. W. Peirson | 1932-5-7 | 9909 | Inyo | North fork of Hanaupah Canyon, Panamint Mountains. | 2134 | Comment | ||
RSA92305 | Poa fendleriana | F. W. Peirson | 1932-5-7 | 9913 | Inyo | North fork of Hanaupah Canyon, Panamint Mountains. | 2134 | Comment | ||
UC501549 | Tricardia watsonii | Frank W. Peirson | 1932-5-7 | 9923 | Inyo | North Fork Hanaupah Canyon; Panamint Mts. | 1828 | Comment | ||
RSA92522 | Viguiera multiflora var. nevadensis | F. W. Peirson | 1932-5-7 | 9912 | Inyo | North Fork of Hanaupah Canyon, Panamint Mountains | 1829 | Comment | ||
RSA80346 | Cymopterus panamintensis var. panamintensis | F. W. Peirson | 1932-5-8 | 9931 | Inyo | Wild Rose Canyon, Panamint Mountains. | 2439 | Comment | ||
RSA68654 | Calochortus flexuosus | Frank W. Peirson | 1932-5-9 | 9442 | Inyo | Above Keane Spring, Funeral Mountains. | 1341 | Comment | ||
RSA91970 | Elymus multisetus | F. W. Peirson | 1932-5-9 | 9946 | Inyo | Near Keane Spring, Funeral Mountains. | 1250 | Comment | ||
RSA72143 | Gayophytum decipiens | F. W. Peirson | 1932-5-28 | 9965 | San Bernardino | southwest shores of Baldwin Lake, San Bernardino Mountains. | 2058 | Comment | ||
UC501550 | Hesperochiron californicus | Frank W. Peirson | 1932-5-28 | 9964 | San Bernardino | flats along s.w. shore Baldwin Lake; San Bernardino Mts., Baldwin Lake | 2042 | Comment | ||
UC501580 | Astragalus bicristatus | Frank W. Peirson | 1932-5-28 | San Bernardino | sw side Baldwin Lake San Bernardino Mts., Baldwin Lake | 2057 | Comment | |||
RSA91903 | Phalaris californica | F. W. Peirson | 1932-6-6 | 10257 | Mendocino | near Hale's Grove Auto Camp | Comment | |||
RSA73082 | Linanthus dichotomus subsp. dichotomus | F. W. Peirson | 1932-6-10 | 3558 | Ventura | Mount Pinos. Seymour Creek. | 1799 | Comment | ||
RSA632116 | Dudleya cymosa subsp. pumila | F. W. Peirson | 1932-6-26 | 877 | Los Angeles | San Gabriel Canyon | 335 | Comment | ||
RSA90274 | Polypogon viridis | F. W. Peirson | 1932-7-4 | 10239 | San Luis Obispo | Oceano. | Comment | |||
RSA611928 | Polypogon interruptus | F. W. Peirson | 1932-7-6 | 10869 | Mendocino | Navarro River. Dimmick Memorial Park. | Comment | |||
RSA79882 | Datura stramonium | F. W. Peirson | 1932-7-6 | 10252 | Mendocino | Navarro River. Dimmick Memorial Park. | Comment | |||
RSA82200 | Trichostema laxum | F. W. Peirson | 1932-7-6 | 10248 | Mendocino | Navarro River. Dimmick Memorial Park. | Comment | |||
RSA85524 | Calycanthus occidentalis | F. W. Peirson | 1932-7-6 | 10250 | Mendocino | Dimmick Memorial Park; Navarro River. | Comment | |||
RSA87346 | Galium aparine | F. W. Peirson | 1932-7-6 | 10247 | Mendocino | Navarro River. Dimmick Memorial Park. | Comment | |||
PASA1789 | Chrysopsis oregona | Frank W. Peirson | 1932-7-6 | Mendocino | Dimmick Memmorial Park, Navarro River | Comment | ||||
RSA67142 | Galium muricatum | F. W. Peirson | 1932-7-7 | 10263 | Humboldt | Willow Creek. A few miles above town of that name. | Comment | |||
RSA91384 | Hesperolinon micranthum | F. W. Peirson | 1932-7-8 | 10264 | Shasta | Hill Crest Au to Camp on the Redding to Burney Road. | 1006 | Comment | ||
RSA95166 | Hieracium scouleri | F. W. Peirson | 1932-7-9 | 10296 | Shasta | Burney Spring. | 1433 | Comment | ||
RSA77805 | Cynoglossum occidentale | F. W. Peirson | 1932-7-10 | 10207 | Shasta | Near Lake Eiler, Thousand-Lake Basin. | 1951 | Comment | ||
CAS-BOT-BC115053 | Carex vesicaria | Frank Warrington Peirson | 1932-7-10 | 10116 | Shasta | Margina of Lake Eiler, 1000-Lake Basin | 1950 | Comment | ||
SD87713 | Pedicularis semibarbata | Frank W. Peirson | 1932-7-10 | 10216 | Shasta | 1000-Lake Basin | 1951 | Comment | ||
RSA99354 | Symphoricarpos vaccinioides | F. W. Peirson | 1932-7-11 | 10225 | Shasta | Forest borders about the lakes, Thousand-Lake Basin. | Comment | |||
JEPS71067 | Collomia tinctoria | Frank W. Peirson | 1932-7-12 | 10200 | Shasta | s Burney (on rim of Red Crater); 1000 Lake Basin | 2072 | Comment | ||
RSA69655 | Spiranthes porrifolia | Frank W. Peirson | 1932-7-12 | 10133 | Shasta | Along shore of Lake Eiler. Thousand-Lake Basin. | 1951 | Comment | ||
RSA80708 | Hypericum androsaemum | F. W. Peirson | 1932-7-12 | 13465 | Shasta | Shores of Lake Eiler, Thousand-Lake Basin | Comment | |||
UC501465 | Collomia tinctoria | Frank W. Peirson | 1932-7-12 | 10200 | Shasta | on rim Red Crater (s of Burney); 1000-Lake Basin | 2072 | Comment | ||
RSA70329 | Asclepias cordifolia | F. W. Peirson | 1932-7-12 | s.n. | Shasta | Thousand Lake Basin | 2012 | Comment | ||
RSA70448 | Allium campanulatum | F. W. Peirson | 1932-7-12 | 10129 | Shasta | Trail below camp; Thousand-Lake Basin. | 1951 | Comment | ||
RSA92713 | Salix lemmonii | F. W. Peirson | 1932-7-12 | 10134 | Shasta | Along shore of Lake Eiler. Thousand-Lake Basin. | 1951 | Comment | ||
UC501577 | Trifolium kingii var. productum | Frank W. Peirson | 1932-7-13 | 10177 | Shasta | s Burney (1000-Lake Basin) | 1950 | Comment | ||
UC501606 | Rhamnus rubra | Frank W. Peirson | 1932-7-13 | 10179 | Shasta | s of Burney; 1000-Lake Basin | 1950 | Comment | ||
RSA91575 | Trifolium productum | F. W. Peirson | 1932-7-13 | 10177 | Shasta | Thousand Lake Basin | Comment | |||
UC501595 | Ribes nevadense | Frank W. Peirson | 1932-7-14 | 10161 | Shasta | s Burney; 1000-Lake Basin | 1950 | Comment | ||
UC696740 | Penstemon neotericus | Frank W. Peirson | 1932-7-14 | 10219 a | Shasta | rocky locations on ridge e Lake Eiler (1000-Lake Basin, eastern Shasta County); 1000-Lake Basin, e of Lake Eiler | 1950 | Comment | ||
RSA0018034 | Ribes roezlii | F. W. Peirson | 1932-7-14 | 10160 | Shasta | Eiler Butte, Thousand-Lake Basin. | 2012 | Comment | ||
RSA95154 | Hieracium horridum | F. W. Peirson | 1932-7-14 | 10228 | Shasta | South slope of Eiler Butte, Thousand-Lake Basin. | 1982 | Comment | ||
NY590187 | Penstemon davidsonii var. davidsonii | F. W. Peirson | 1932-7-15 | 10217 | Shasta | On east slope of Mount Magee; 1000-Lake Basin | 2286.0 | Comment | ||
RSA69237 | Phyllodoce breweri | F. W. Peirson | 1932-7-15 | 10194 | Shasta | Lake at east end of Mt. Magee, Thousand Lake Basin. | 2195 | Comment | ||
UC501430 | Collomia grandiflora | Frank W. Peirson | 1932-7-16 | 10308 | Shasta | top of wooded slope behind camp Burney Spring | 1432 | Comment | ||
RSA0013794 | Nuphar lutea subsp. polysepala | F. W. Peirson | 1932-7-16 | 10146 | Shasta | Thousand-Lake Region. | 1951 | Comment | ||
RSA93391 | Symphoricarpos acutus | F. W. Peirson | 1932-7-16 | 10224 | Shasta | Thousand-Lake Basin. | 1951 | Comment | ||
RSA95227 | Stephanomeria lactucina | F. W. Peirson | 1932-7-16 | 10229 | Shasta | Along trail below camp and Thousand-Lake Basin. | 1951 | Comment | ||
SEINET10972517 | Heterocodon rariflorum | Frank W. Peirson | 1932-7-17 | Peirson 10332 | Shasta | WET PLACES AT BORDER OF MARSHY FIELD, WALLACE R., GOOSE VALLEY | Comment | |||
RSA65956 | Eriogonum umbellatum var. polyanthum | F. W. Peirson | 1932-7-19 | 10343 | Shasta | Mt. Lassen. | 1829 | Comment | ||
UC501569 | Sclerolinon digynum | Frank W. Peirson | 1932-7-19 | 10352 | Plumas | near Chester; Feather River | 1463 | Comment | ||
RSA91391 | Trifolium cyathiferum | F. W. Peirson | 1932-7-19 | 10346 | Plumas | Feather River. Near Chester. | 1463 | Comment | ||
CAS-BOT-BC312844 | Hymenoxys lemmonii | Frank W. Peirson | 1932-7-20 | 10356 | Plumas | Sierra Valley, probably Plumas County. North of Loyalton | Comment | |||
UC483084 | Salix jepsonii | Frank W. Peirson | 1932-7-22 | 10374 | Mono | along Robinson Creek below Barney Lake; Twin Lake Basin | 2438 | Comment | ||
RSA93442 | Brickellia grandiflora | F. W. Peirson | 1932-7-22 | 10370 | Mono | Robinson Creek along the steep slope below Barney Lake, Twin Lakes Basin | 2439 | Comment | ||
RSA95104 | Crepis acuminata | F. W. Peirson | 1932-7-22 | 10364 | Mono | Steep slope below Barney Lake and along Robinson Creek, Twin Lake Basin. | 2439 | Comment | ||
PASA2203 | Helenium hoopesii | Frank W. Peirson | 1932-7-23 | Mono | East slope Sonora Pass | 2590 | Comment | |||
RSA66763 | Arabis divaricarpa | F. W. Peirson | 1932-7-23 | 10380 | Mono | East side of Sonora Pass. | 2591 | Comment | ||
CAS-BOT-BC153702 | Diplacus mephiticus | F. W. Peirson | 1932-7-24 | 10397 | Tuolumne | Slopes above Relief Reservoir, Stanislaus River Region | 2286 | Comment | ||
UC501443 | Arnica longifolia | Frank W. Peirson | 1932-7-24 | 10398 | Tuolumne | above, (along small stream on rocky slope, Stanislaus River region) Relief Reservoir; Stanislaus River | 2286 | Comment | ||
POM274965 | Adenostoma sparsifolium | F. W. Peirson | 1932-9-4 | 10471 | San Diego | Campo to Bukman Spring | 671 | Comment | ||
SEINET675828 | Artemisia vulgaris | Frank W. Peirson | 1932-11-12 | 10486 | San Bernardino | Forest border with A. tridentata. Southwest of Baldwin Lake, San Bernadino Mountains | 2058 | Comment | ||
RSA90905 | Chrysothamnus nauseosus subsp. hololeucus | F. W. Peirson | 1932-11-12 | 10488 | San Bernardino | Forested areas on mesa S of Baldwin Lake, San Bernardino Mts | 2134 | Comment | ||
RSA70999 | Cuscuta umbellata | F. W. Peirson | 1932-11-26 | 9659 | Riverside | Thousand Palms | Comment | |||
RSA64582 | Eriogonum pusillum | F. W. Peirson | 1933-4-13 | 10642 | Riverside | Deep Canyon to Idyllwild, Santa Rosa Mountains | 1372 | Comment | ||
UC511829 | Salvia vaseyi | Frank W. Peirson | 1933-4-13 | 10635 | Riverside | road from Deep Canyon to Idyllwild | 487 | Comment | ||
UC511831 | Forestiera pubescens | Frank W. Peirson | 1933-4-13 | 10647 | Riverside | road from Deep Canyon to Idyllwild (at Palm Creek crossing) | 1386 | Comment | ||
RSA71802 | Gilia stellata | F. W. Peirson | 1933-4-16 | 10640 | Riverside | Deep Canyon to Idyllwild road | 1067 | Comment | ||
RSA75344 | Phacelia bicolor | F. W. Peirson | 1933-5-13 | 10664 | Los Angeles | About 10 miles south of Munroc, Western Mojave Desert. | Comment | |||
CAS-BOT-BC204886 | Acmispon argyraeus var. argyraeus | Frank W. Peirson | 1933-6-24 | 10677 | San Bernardino | Along ridge southward from the summit of the Johnson Grade, San Bernardino Mts. | 2133 | Comment | ||
CAS-BOT-BC67804 | Marsilea vestita | Frank W. Peirson | 1933-6-25 | 10674 | San Bernardino | San Bernardino Mts. - two miles southeast of Baldwin Lake | 2133 | Comment | ||
POM203378 | Descurainia pinnata subsp. halictorum | F. W. Peirson | 1933-6-25 | 10673 | San Bernardino | in a low open valley southeast of Baldwin Lake, about 2 miles east of Fish Hatchery, San Bernardino Mountains | 2133 | Comment | ||
RSA65818 | Descurainia pinnata subsp. menziesii | F. W. Peirson | 1933-6-25 | 10673 | San Bernardino | Low open valley east of Fish Hatchery, east end of Bear Valley | 2134 | Comment | ||
CAS-BOT-BC217848 | Perideridia pringlei | Frank W. Peirson | 1933-7-9 | 10687 | Kern | Road from Caliente to Bodfish and bout 6 mi. S. of Bodfish | Comment | |||
RSA68755 | Delphinium gracilentum | F. W. Peirson | 1933-7-9 | 10695 | Kern | 2 miles south of Summit Camp, Greenhorn Mountains. | 2073 | Comment | ||
RSA73315 | Clarkia cylindrica | F. W. Peirson | 1933-7-9 | 10678 | Kern | About 6 miles from Caliente on road to Bodfish. | Comment | |||
RSA79468 | Collinsia torreyi var. wrightii | F. W. Peirson | 1933-7-9 | 10693 | Kern | 2 miles south of Summit Camp, Greenhorn Mountains. | 2073 | Comment | ||
RSA87318 | Galium bifolium | F. W. Peirson | 1933-7-9 | 10698 | Kern | 2 miles south of Summit Camp, Greenhorn Mountains. | 2073 | Comment | ||
UC511744 | Vicia americana var. americana | Frank W. Peirson | 1933-7-9 | 10690 | Kern | Summit Greenhorn Mts.; s of Summit Camp | 2072 | Comment | ||
UC511904 | Perideridia pringlei | Frank W. Peirson | 1933-7-9 | 10687 | Kern | about 6 mi s Bodfish (road from Caliente to Bodfish) | Comment | |||
UC511918 | Penstemon speciosus | Frank W. Peirson | 1933-7-9 | 10701 | Kern | in clearing along Power Line near Summit Camp; Summit Greenhorn Mts. | 2072 | Comment | ||
CAS-BOT-BC241607 | Eriogonum baileyi var. baileyi | Frank W. Peirson | 1933-7-28 | 10713 | Mono | Summit Sherwin Hill | 1950 | Comment | ||
RSA66062 | Rorippa palustris subsp. occidentalis | F. W. Peirson | 1933-7-28 | 10709 | Inyo | [Lower] Rock Creek | 1372 | Comment | ||
RSA0125171 | Eriastrum wilcoxii | F. W. Peirson | 1933-7-28 | 10717 | Mono | Summit of Sherwin Hill, [north of Bishop] | 1951 | Comment | ||
CAS-BOT-BC229053 | Astragalus lemmonii | Frank W. Peirson | 1933-7-29 | 10744 | Mono | Hilton Creek, Owens River | 2042 | Comment | ||
RSA68344 | Lepidium montanum var. canescens | F. W. Peirson | 1933-7-29 | 10724 | Mono | Floor of Crooked Creek Canyon and at foots of its walls; Owens River. | 2043 | Comment | ||
RSA77885 | Tiquilia nuttallii | F. W. Peirson | 1933-7-29 | 10721 | Mono | Along foot of canyon walls of Crooked Creek, Owens River. | 2043 | Comment | ||
POM359538 | Pyrrocoma lanceolata | F. W. Peirson | 1933-7-29 | 10748 | Mono | Along the river road at the foot of Whisky Creek, Owens River. | 2043 | Comment | ||
RSA0006796 | Astragalus lentiginosus var. ineptus | F. W. Peirson | 1933-7-29 | 10743 | Mono | Owens River, along Hilton Creek. | 2043 | Comment | ||
RSA66830 | Thelypodium laciniatum | F. W. Peirson | 1933-7-29 | 10723 | Mono | Crooked Creek Canyon, Owens Valley | 2043 | Comment | ||
RSA71942 | Collomia linearis | F. W. Peirson | 1933-7-29 | 10742 | Mono | Along Hilton Creek, Owens River. | 2043 | Comment | ||
RSA87465 | Lupinus meionanthus | F. W. Peirson | 1933-7-29 | 10750 | Mono | Along the river south of Whisky Creek, Owens River. | 2043 | Comment | ||
RSA90714 | Astragalus lemmonii | F. W. Peirson | 1933-7-29 | 10744 | Mono | Along Hilton Creek, Owens River. | 2043 | Comment | ||
RSA93236 | Pyrrocoma lanceolata | F. W. Peirson | 1933-7-29 | 10749 | Mono | River flats south of Whisky Creek, Owens River. | 2043 | Comment | ||
RSA94672 | Senecio spartioides | F. W. Peirson | 1933-7-29 | 10745 | Mono | Along the road along Owens river. | 2043 | Comment | ||
UC511806 | Pedicularis crenulata | Frank W. Peirson | 1933-7-30 | Mono | Convict Creek | 2148 | Comment | |||
UC511729 | Astragalus lentiginosus var. albifolius | Frank W. Peirson | 1933-7-31 | 10758 | Mono | n shore Mono Lake; n shore Mono Lake | 1965 | Comment | ||
PASA1557 | Mentzelia torreyi | Frank W. Peirson | 1933-8-1 | Mono | North slope Mono Lake | Comment | ||||
PASA1949 | Oreocarya confertiflora | Frank W. Peirson | 1933-8-1 | Mono | North shore, Mono Lake | 1965 | Comment | |||
RSA70234 | Allium validum | F. W. Peirson | 1933-8-3 | 10799 | Inyo | West side of Ruby Lake, Rock Creek Lake Basin. | 3399 | Comment | ||
JEPS3781 | Castilleja peirsonii | Frank W. Peirson | 1933-8-4 | 10784 | Inyo | South of Long Lake; Rock Creek Lake Basin | 3291 | Comment | ||
RSA66225 | Arabis platysperma | F. W. Peirson | 1933-8-4 | 10786 | Inyo | Rock Creek Lake Basin. Broken country S of Long Lake | 3323 | Comment | ||
RSA88665 | Carex illota | F. W. Peirson | 1933-8-4 | 10831 | Inyo | South of Long Lake, Rock Creek Lake Basin. | 3262 | Comment | ||
SBBG54412 | Juncus parryi | F. W. Peirson | 1933-8-4 | Inyo | Rock Crk Lake Basin, S of Long Lake | 3352 | Comment | |||
RSA611929 | Poa secunda | F. W. Peirson | 1933-8-5 | 10827 | Inyo | Drier parts of the Heart Lake Meadow, Rock Creek Lake Basin | 3216 | Comment | ||
UC511812 | Lorandersonia peirsonii | Frank W. Peirson | 1933-8-5 | Inyo | on Transverse Ridge; Rock Creek Lake Basin; Rock Creek Lake Basin, Inyo Co. | 3383 | Comment | |||
UC511886 | Poa secunda subsp. secunda | Frank W. Peirson | 1933-8-5 | 10827 | Inyo | Hear Lake Meadow Rock Creek Lake Basin | 3200 | Comment Read comments May 31 2012 |
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RSA93088 | Erigeron clokeyi var. pinzliae | F. W. Peirson | 1933-8-5 | 10787 | Inyo | soil pockets on Transverse Ridge, Rock Creek Lake Basin | 3293 | Comment | ||
UC511813 | Astragalus lentiginosus var. ineptus | Frank W. Peirson | 1933-8-5 | Inyo | on the Transverse Ridge , on the Transverse Ridge (Rock Creek Lake Basin) | 3352 | Comment | |||
UC511817 | Packera cana | Frank W. Peirson | 1933-8-5 | 10776 | Inyo | Rock Cr. Lake Basin , high Transverse Ridge (high Transverse Ridge) | 3413 | Comment | ||
RSA87462 | Elymus trachycaulus subsp. trachycaulus | F. W. Peirson | 1933-8-7 | 10866 | Inyo | Long Lake, Rock Creek Lake Basin, northern Inyo County. | 3247 | Comment | ||
UC511815 | Lomatium torreyi | Frank W. Peirson | 1933-8-7 | 10771 | Inyo | slope w. Long Lake (Rock Creek Lake Basin); Rock Creek Lake Basin | 3352 | Comment | ||
POM188541 | Arabis repanda var. greenei | F. W. Peirson | 1933-8-8 | 10768 | Inyo | West of Heart Lake, Rock Creek Lake Basin | 3506 | Comment | ||
UCD93742 | Trisetum spicatum | F. W. Peirson | 1933-8-8 | s.n. | Inyo | Rock Creek Lake Basin, west of Heart Lake. | 3352 | Comment | ||
RSA91613 | Carex congdonii | F. W. Peirson | 1933-8-8 | 10835 | Inyo | West of Heart Lake, Rock Creek Lake Basin. | 3383 | Comment | ||
SEINET179667 | Poa stebbinsii | Frank W. Peirson | 1933-8-9 | 10821 | Inyo | Rock Creek Lake Basin, recess on east shore. | 3292 | Comment | ||
UC511856 | Trichophorum clementis | Frank W. Peirson | 1933-8-10 | 10766 | Inyo | along stream below Ruby Lake; Rock Creek Lake Basin, below Ruby Lake | 3352 | Comment | ||
UCD85952 | Koeleria macrantha | F. W. Peirson | 1933-8-11 | s.n. | Inyo | Rock Creek Basin. In first meadow below Heart Lake. | 3200 | Comment | ||
CAS-BOT-BC117703 | Carex simulata | Frank Warrington Peirson | 1933-8-11 | 10836 | Inyo | Rock Creek Lake Basin, meadow at Heart Lake. | 3200 | Comment | ||
CAS-BOT-BC18532 | Carex abrupta | Frank W. Peirson | 1933-8-11 | 10832 | Inyo | Rock Creek Lake Basin. Meadow at Heart Lake . | Comment | |||
CAS-BOT-BC20930 | Carex heteroneura | Frank W. Peirson | 1933-8-11 | 10842 | Inyo | Rock Creek Lake Basin. Meadows along the East Chain of Lakes. | 3200 | Comment | ||
POM273773 | Descurainia californica | F. W. Peirson | 1933-8-11 | s.n. | Inyo | Rock Creek Lake Basin, Escarpment west of Heart Lake. | 3232 | Comment | ||
SEINET7548181 | Carex abrupta | Frank W. Peirson | 1933-8-11 | 10845 | Inyo | Rock Creek Lake Basin | 3200 | Comment | ||
CAS-BOT-BC117124 | Carex spectabilis | Frank Warrington Peirson | 1933-8-12 | s.n. | Inyo | Rock Creek Lake Basin. Rocky slopes above Glacial Lakes. | 3474 | Comment | ||
JEPS67191 | Luzula comosa | Frank W. Peirson | 1933-8-13 | 10803 | Inyo | meadow at Heart Lake; Rock Creek Lake Basin, meadow at Heart Lake | 3230 | Comment | ||
RSA68705 | Lilium kelleyanum | Frank W. Peirson | 1933-8-13 | 10796 | Inyo | Heart Lake Meadow, Rock Creek Lake Basin, Sierra Nevada. | 3232 | Comment | ||
SEINET7575690 | Carex specifica | Frank W. Peirson | 1933-8-13 | 10849 | Inyo | Rock Creek Lake Basin. | 3200 | Comment | ||
SEINET8078276 | Stipa nelsonii | F. W. Peirson | 1933-8-13 | s.n. | Inyo | Rock Creek Lake Basin, Heart Lake. | 3200 | Comment | ||
CAS-BOT-BC519379 | Triantha occidentalis subsp. occidentalis | Frank W. Peirson | 1933-8-14 | s.n. | Inyo | Near Morgan Pass Lakes, Rock Creek Lake Basin | 3322 | Comment | ||
RSA91686 | Poa secunda | F. W. Peirson | 1933-8-15 | 10868 | Inyo | Rock Creek Lake Basin, Inyo. | 3506 | Comment | ||
UC511844 | Polygonum | Frank W. Peirson | 1933-8-15 | Inyo | near Heart Lake (Rock Creek Basin); Rock Creek Basin | 3200 | Comment | |||
JEPS37043 | Artemisia dracunculus | Frank W. Peirson | 1933-8-18 | s.n. | Inyo | Rock Creek Lake Basin, slope west of Long Lake | 3261 | Comment Read comments Dec 3 2015 |
||
UC511731 | Adiantum aleuticum | Frank W. Peirson | 1933-8-18 | Inyo | w shore Long Lake; Rock Creek Lake Basin | 3246 | Comment | |||
UC511764 | Artemisia ludoviciana subsp. incompta | Frank W. Peirson | 1933-8-18 | Inyo | w shore Long Lake; Rock Creek Lake Basin | 3261 | Comment | |||
RSA97465 | Perideridia parishii subsp. latifolia | F. W. Peirson | 1933-8-19 | 10792 | Inyo | Ruby Falls, Rock Creek Lake Basin, northern Inyo [Co.] | 3323 | Comment | ||
RSA65510 | Silene bernardina | F. W. Peirson | 1933-8-20 | 10863 | Inyo | Rock Creek Lake Basin, Sierra Nevada | 3293 | Comment | ||
UC511864 | Silene | Frank W. Peirson | 1933-8-20 | 10863 | Inyo | steep mountain slope w Heart Lake (Rock Creek Lake Basin); , w of Heart Lake | 3291 | Comment | ||
UCD93743 | Trisetum spicatum | F. W. Peirson | 1933-8-21 | 10870 | Inyo | Sierra Nevada, Rock Creek Lake Basin, upper Ruby Lake. | 3505 | Comment | ||
CAS-BOT-BC218399 | Comastoma tenellum | Frank W. Peirson | 1933-8-22 | s.n. | Inyo | Upper part of Heart Lake Meadow, Rock Creek Lake Basin | 3230 | Comment | ||
RSA92139 | Eleocharis quinqueflora | F. W. Peirson | 1933-8-22 | 10790 | Inyo | Heart Lake Meadow, Rock Creek Lake Basin, Sierra Nevada | 3201 | Comment | ||
UC599251 | Gentianella tenella subsp. tenella | Frank W. Peirson | 1933-8-22 | Inyo | upper part Heart Lake Meadow; Rock Creek Lake Basin | 3230 | Comment | |||
RSA65804 | Lepidium virginicum var. robinsonii | F. W. Peirson | 1934-3-25 | 11032 | Santa Barbara | Santa Cruz Island. Near Fry s Harbor | Comment | |||
RSA71106 | Calystegia macrostegia subsp. macrostegia | F. W. Peirson | 1934-3-25 | 11022 | Santa Barbara | Santa Cruz island, Frye's harbor. | Comment | |||
RSA82105 | Mimulus aurantiacus var. parviflorus | F. W. Peirson | 1934-3-25 | 11047 | Santa Barbara | Santa Cruz Island. Frye's Harbor. | Comment | |||
RSA0063344 | Pentagramma viscosa | F. W. Peirson | 1934-3-25 | 11037 | Santa Barbara | West of canyon at Frye's Harbor, Santa Cruz Island. | Comment | |||
RSA79890 | Solanum umbelliferum | F. W. Peirson | 1934-3-25 | 11048 | Santa Barbara | Santa Cruz Island. Frye's Harbor | Comment | |||
RSA65754 | Stellaria nitens | F. W. Peirson | 1934-3-27 | 11067 | Santa Barbara | Santa Cruz Island. Upper part of Frye Creek Basin, Fryes Harbor | 518 | Comment | ||
RSA84961 | Ribes thacherianum | F. W. Peirson | 1934-3-28 | 11077 | Santa Barbara | Santa Cruz Island. Diablo Canyon, about 1 mile west of Frye s Harbor | Comment | |||
UCD102438 | Ribes thacherianum | Frank W. Peirson | 1934-3-28 | s.n. | Santa Barbara | Santa Cruz Island, Diablo Canyon, about mile west of Fry's Harbor. | Comment | |||
RSA90384 | Lotus strigosus | F. W. Peirson | 1934-3-28 | 11076 | Santa Barbara | Santa Cruz Island. Diablo Canyon, about 1 mile west of Frye's Harbor | Comment | |||
RSA85014 | Adiantum aleuticum | F. W. Peirson | 1934-3-29 | 11092 | Santa Barbara | Upper part of Frye Creek, above Frye's Harbor, Santa Cruz Island | Comment | |||
CAS-BOT-BC154314 | Phacelia peirsoniana | Frank W. Peirson | 1934-7-8 | 11161 | Mono | Summit of Sherwin Hill, along foot of rocky hill at the broad turnout space at summit of grade | 1950 | Comment | ||
JEPS56215 | Eriogonum umbellatum var. chlorothamnus | Frank Peirson | 1934-7-8 | 11158 | Mono | Sherwin Hill | 1950 | Comment | ||
RSA65846 | Eriogonum microtheca var. ambiguum | F. W. Peirson | 1934-7-8 | 11159 | Mono | Sherwin Hill | 1951 | Comment | ||
POM203742 | Oxytheca dendroidea | F. W. Peirson | 1934-7-8 | s.n. | Mono | At foot of Whisky Creek, Owens River. | 2043 | Comment | ||
SEINET3836450 | Eriogonum baileyi var. baileyi | Frank W. Peirson | 1934-7-8 | Shasta | Whiskey Creek | Comment | ||||
POM203899 | Caltha leptosepala | F. W. Peirson | 1934-7-10 | 11173 | Mono | Virginia Lakes Basin, along trail above Blue Lake, at higher location they are abundant in the open. | 3110 | Comment | ||
POM203735 | Kelloggia galioides | F. W. Peirson | 1934-7-11 | s.n. | Mono | Virginia Lakes Basin. Hill slope along the stream from Moat Lakes. | 3079 | Comment | ||
RSA72018 | Polemonium pulcherrimum | F. W. Peirson | 1934-7-11 | 11181 | Mono | Above Moat Lake, Virginia Lakes Basin, Sierra Nevada | 3171 | Comment | ||
RSA93008 | Erigeron pygmaeus | F. W. Peirson | 1934-7-12 | 11194 | Mono | In the pass at the upper end of Virginia Lakes Basin, Sierra Nevada | 3384 | Comment | ||
RSA80154 | Mimulus breweri | F. W. Peirson | 1934-7-13 | 11315 | Mono | East end of Blue Lake, Virginia Lakes Basin, East Slope of Sierra Nevada | 3049 | Comment | ||
RSA203747 | Silene bernardina | F. W. Peirson | 1934-7-14 | 10769 | Inyo | Rock Creek Lake Basin, steep mountain slope west of Heart Lake. | 3354 | Comment | ||
RSA72046 | Phlox stansburyi | F. W. Peirson | 1934-7-14 | 11225 | Mono | East of Blue Lake, Virginia Lakes Basin. East side of Sierra Nevada. | 3018 | Comment | ||
RSA79457 | Scrophularia californica var. desertorum | F. W. Peirson | 1934-7-14 | 11226 | Mono | East of Blue Lake, Virginia Lakes Basin. East side of Sierra Nevada. | 3018 | Comment | ||
RSA85223 | Horkelia fusca subsp. parviflora | F. W. Peirson | 1934-7-14 | 11212 | Mono | E of Blue Lake, Virginia Lakes basin. | 3018 | Comment | ||
RSA93867 | Dugaldia hoopesii | F. W. Peirson | 1934-7-14 | 11211 | Mono | East of Blue Lake, Virginia Lakes Basin. East slope of Sierra Nevada. | 3018 | Comment | ||
CAS-BOT-BC13957 | Boechera lemmonii | Frank W. Peirson | 1934-7-15 | 11331 | Mono | Virginia Lakes Basin. In the cirque above Red Lake. | 3230 | Comment | ||
SEINET210457 | Claytonia nevadensis | F. W. Peirson | 1934-7-15 | 11231 | Mono | Virginia Lakes Basin Sierra Nevada | 3170 | Comment | ||
POM203898 | Claytonia nevadensis | F. W. Peirson | 1934-7-15 | 11231 | Mono | Growing in the rocky bed of the stream flowing into Red Lake; | 3171 | Comment | ||
RSA91644 | Carex vernacula | F. W. Peirson | 1934-7-15 | 11228 | Mono | Along Red Lake stream, Virginia Lakes Basin. | 3171 | Comment | ||
UC638463 | Potentilla flabellifolia | Frank W. Peirson | 1934-7-15 | 11230 | Mono | along stream flowing into Red Lake Viginia Lakes Basin, stream flowing into Red Lake | 3169 | Comment | ||
POM203734 | Eriogonum microtheca var. alpinum | F. W. Peirson | 1934-7-16 | s.n. | Mono | Virginia Lakes Basin, near the Virginia Lakes Resort. | 2988 | Comment | ||
JEPS61448 | Geranium richardsonii | Frank W. Peirson | 1934-7-16 | 11239 | Mono | Blue Lake Virginia Lakes Basin | Comment | |||
POM203733 | Mentzelia congesta | F. W. Peirson | 1934-7-16 | 11248 | Mono | Virginia Lakes Basin. | 2988 | Comment | ||
RSA0029562 | Geranium richardsonii | F. W. Peirson | 1934-7-16 | 11239 | Mono | On north or northwest shore of Blue Lake, Virginia Lakes Basin. | 3018 | Comment | ||
RSA92688 | Eriophyllum lanatum var. integrifolium | F. W. Peirson | 1934-7-16 | 11255 | Mono | Moraine near Virginia Lakes Resort, Virginia Lakes Basin, Sierra Nevada | 2988 | Comment | ||
RSA93171 | Machaeranthera canescens var. canescens | F. W. Peirson | 1934-7-16 | 11246 | Mono | Moraine near Virginia Lakes Resort, Virginia Lakes Basin, Sierra Nevada | 2988 | Comment | ||
RSA94881 | Arnica mollis | F. W. Peirson | 1934-7-16 | 11254 | Mono | Moraine near Virginia Lakes Resort, Virginia Lakes Basin, Sierra Nevada | 2988 | Comment | ||
RSA91830 | Calamagrostis muiriana | F. W. Peirson | 1934-7-20 | 12617 | Inyo | At Ruby Falls, Rock Creek Lake Basin, northern Inyo County. | 3323 | Comment | ||
RSA66251 | Arabis lemmonii var. lemmonii | F. W. Peirson | 1934-7-21 | 11296 | Inyo | Rock Creek Lake Basin; Cirque on east side of canyon | 3445 | Comment | ||
RSA66499 | Arabis lyallii | F. W. Peirson | 1934-7-21 | 11295 | Inyo | Rock Creek Lake Basin. | 3445 | Comment | ||
SEINET7552947 | Carex breweri | Frank W. Peirson | 1934-7-21 | 11395 | Inyo | Rock Creek Lake Basin. | 3475 | Comment | ||
CAS-BOT-BC34114 | Carex breweri | Frank W. Peirson | 1934-7-22 | s.n. | Inyo | Rock Creek Lake Basin. | 3383 | Comment | ||
POM203876 | Phacelia frigida subsp. dasyphylla | F. W. Peirson | 1934-7-22 | s.n. | Inyo | Upper Glacial Lake, Rock Creek Lake Basin, northern Inyo County. | 3384 | Comment | ||
CAS-BOT-BC138538 | Agrostis variabilis | Frank W. Peirson | 1934-7-23 | 12616 | Inyo | Rock Creek Lake Basin. Above the east chain Lakes. | 3261 | Comment | ||
CAS-BOT-BC31884 | Carex microptera | Frank W. Peirson | 1934-7-23 | 11401 | Inyo | Heart Lake Meadow, RockCreek Lake Basin. | 3215 | Comment | ||
POM203750 | Gentianella tenella | F. W. Peirson | 1934-7-23 | 9482 | Inyo | Heart Lake Meadow, Rock Creek Lake Basin. | 3216 | Comment | ||
CAS-BOT-BC20931 | Carex heteroneura | Frank W. Peirson | 1934-7-23 | s.n. | Inyo | Rock Creek Lake Basin. In Hear Lake Meadow. | 3215 | Comment | ||
RSA88729 | Carex aquatilis | F. W. Peirson | 1934-7-23 | s.n. | Inyo | Rock Creek Lake Basin | 3232 | Comment | ||
UCD50947 | Achnatherum occidentale | F. W. Peirson | 1934-7-24 | s.n. | Inyo | Rock Creek Lake Basin. | 3352 | Comment | ||
SEINET7571410 | Carex phaeocephala | Frank W. Peirson | 1934-7-24 | s.n. | Inyo | Rock Creek Lake Basin. | 3353 | Comment | ||
POM203754 | Symphoricarpos vaccinioides | F. W. Peirson | 1934-7-25 | s.n. | Inyo | Rock Creek Lake Basin. Foot of escarpment at Heart Lake. | 3232 | Comment | ||
RSA69766 | Luzula spicata | F. W. Peirson | 1934-7-25 | 11283 | Inyo | North of Chickenfoot Lake, Rock Creek Lake Basin. | 3277 | Comment | ||
RSA70578 | Sisyrinchium idahoense | Frank W. Peirson | 1934-7-25 | 11282 | Inyo | West side of Long Lake, Rock Creek Lake Basin. | 3277 | Comment | ||
RSA88667 | Carex jonesii | F. W. Peirson | 1934-7-25 | 11307 | Inyo | Heart Lake Meadow, Rock Creek Lake Basin | 3216 | Comment | ||
CAS-BOT-BC118690 | Carex proposita | Frank Warrington Peirson | 1934-7-27 | s.n. | Inyo | Rock Creek Lake Basin. Gravel slope above Mono Pass. | 3779 | Comment | ||
JEPS63781 | Trichophorum clementis | F. W. Peirson | 1934-7-27 | 11300 | Inyo | Heart Lake Mdw Rock Creek Lake Basin, Heart Lake Mdw | 3215 | Comment | ||
UC638458 | Ivesia muirii | Frank W. Peirson | 1934-7-27 | Inyo | gorge below Mono Pass; Rock Creek Lake Basin | 3596 | Comment | |||
UCD90955 | Poa cusickii subsp. epilis | F. W. Peirson | 1934-7-27 | s.n. | Inyo | Rock Creek Lake Basin. Borders of Heart Lake Meadow. | 3230 | Comment | ||
JEPS55566 | Hackelia micrantha | F. W. Peirson | 1934-7-29 | Inyo | Ruby Lake; Rock Creek Lake Basin | 3505 | Comment | |||
POM212912 | Minuartia californica | Mabel Peirson | 1935-3-16 | 11407 | Kern | North side of Tehachapi Range, along the Arvin cut-off. | 457 | Comment | ||
RSA53113 | Caulanthus cooperi | F. W. Peirson | 1935-3-16 | 11408 | Kern | South slope of Tehachapi Range and 4 miles north of Mojave | Comment | |||
RSA94825 | Cnicus benedictus | F. W. Peirson | 1935-3-31 | 11457 | Los Angeles | Mendocino Street and Holliston Ave, Altadena | Comment | |||
RSA466515 | Cistanthe ambigua | F. W. Peirson | 1935-4-15 | 11458 | Imperial | 4 miles north of Laguna Dam. | Comment | |||
SD87782 | Achyronychia cooperi | Frank W. Peirson | 1935-4-15 | 11459 | Imperial | 4 miles north of the Laguna Dam | Comment | |||
RSA80730 | Nicotiana obtusifolia | F. W. Peirson | 1935-4-16 | 11462 | Imperial | North of the bridge over the canal at Laguna Dam | Comment | |||
RSA93354 | Machaeranthera asteroides | F. W. Peirson | 1935-4-17 | 11471 | Riverside | Eastern part of Blythe, colorado Desert, | Comment | |||
JEPS5094 | Asclepias albicans | Frank W. Peirson | 1935-4-18 | 11503 | San Bernardino | n part of Range near the road going down into Copper Basin; Whipple Mts. | 457 | Comment | ||
POM212926 | Plagiobothrys jonesii | F. W. Peirson | 1935-4-18 | 11495 | San Bernardino | Whipple Mountains. Summit of main ridge N of Copper Basin. | 686 | Comment | ||
RSA84451 | Anemone tuberosa | F. W. Peirson | 1935-4-18 | 11502 | San Bernardino | Copper Basin, Whipple Mts., eastern San Bernardino Co. | 457 | Comment | ||
UC570589 | Logfia filaginoides | Frank W. Peirson | 1935-4-18 | 11480 | San Bernardino | a mi or 2 up the canyon Copper Creek Basin; Whipple Mountains, Copper Creek Basin | Comment | |||
UC570604 | Anemone tuberosa | Frank W. Peirson | 1935-4-18 | 11502 | San Bernardino | n. part of Range near rd. going down into Copper Basin; Whipple Mts. | 457 | Comment | ||
RSA694466 | Mirabilis laevis var. villosa | F. W. Peirson | 1935-4-18 | 11487 | San Bernardino | Whipple Mountains: northern part of Whipple Mts. | 427 | Comment | ||
RSA65682 | Lewisia rediviva | F. W. Peirson | 1935-7-16 | 11515 | Inyo | At foot of Ruby Lake, Rock Creek Lake Basin | 3399 | Comment | ||
RSA69260 | Kalmia polifolia subsp. microphylla | F. W. Peirson | 1935-7-17 | 11522 | Inyo | Meadows along upper end of Chickenfoot Lake, Rock Creek Lake Basin, Sierra Nevada | 3293 | Comment | ||
CAS-BOT-BC20227 | Carex filifolia var. erostrata | F. W. Peirson | 1935-7-17 | 11705 | Inyo | Rock Creek Basin. Along edge of Heart Lake Meadow. | 3215 | Comment | ||
RSA0066486 | Phlox caespitosa | F. W. Peirson | 1935-7-17 | 11519 | Inyo | Shores of Long Lake, Rock Creek Lake Basin; Sierra Nevada. | 3262 | Comment | ||
CAS-BOT-BC20252 | Carex filifolia var. erostrata | F. W. Peirson | 1935-7-18 | 11706 | Mono | Slate Creek. | 3048 | Comment | ||
JEPS56854 | Eriogonum incanum | Frank W. Peirson | 1935-7-18 | 11524 | Mono | 1/2 mi above, in stream bottom site of the old saw mill; Slate Creek | 3048 | Comment | ||
RSA0084035 | Potentilla | Frank W. Peirson | 1935-7-18 | s.n. | Mono | Slate Creek. | 3109 | Comment | ||
RSA378073 | Triteleia ixioides subsp. scabra | F. W. Peirson | 1935-7-18 | s.n. | Mono | Near site of old saw mill; Slate Creek. | 3018 | Comment | ||
RSA80799 | Pedicularis groenlandica subsp. surrecta | F. W. Peirson | 1935-7-18 | 11527 | Mono | Mono County: wet places at old Saw Mill Camp, Slate Creek. | 3018 | Comment | ||
UC570578 | Juncus chlorocephalus | Frank W. Peirson | 1935-7-18 | 11525 | Mono | Old Saw Mill auto camp Slate Creek | 3017 | Comment | ||
SEINET180129 | Muhlenbergia montana | Frank W. Peirson | 1935-7-19 | 11535 | Mariposa | Lake Tenaya north of lake. | 2499 | Comment | ||
RSA92238 | Madia minima | F. W. Peirson | 1935-7-19 | s.n. | Mariposa | Glaciated region north of Lake Tenaya, Sierra Nevada. | 2500 | Comment | ||
JEPS69506 | Gilia capillaris | Frank W. Peirson | 1935-7-23 | 11544 | Calaveras | Big Mdw , Big Mdw (North Fork Stanislaus River) | 1981 | Comment | ||
SEINET180134 | Danthonia americana | Frank W. Peirson | 1935-7-23 | 11553 | Calaveras | Auto Campgrounds Big Meadow N. Fork Stanislaus River Region. | 1981 | Comment | ||
UC570537 | Eucephalus breweri | Frank W. Peirson | 1935-7-23 | Calaveras | Big Meadow, near Auto Camp North Fork Stanislaus River Region | 1981 | Comment | |||
UC570559 | Navarretia leptalea subsp. leptalea | Frank W. Peirson | 1935-7-23 | 11543 | Calaveras | Big Meadow N Fork Stanislaus River Region, Big Meadow | 1981 | Comment | ||
POM212936 | Plagiobothrys hispidulus | F. W. Peirson | 1935-7-23 | 11546 | Calaveras | Big Meadow, N. Fork Stanislaus River Region, in Auto Camp grounds. | 1982 | Comment | ||
CAS-BOT-BC22078 | Carex heteroneura | Frank W. Peirson | 1935-7-24 | 11711 | Alpine | Lake Alpine. | 2225 | Comment | ||
CAS-BOT-BC28174 | Carex hoodii | Frank W. Peirson | 1935-7-24 | 11710 | Alpine | Lake Alpine. | Comment | |||
RSA26684 | Elymus glaucus | F. W. Peirson | 1935-7-24 | 11561 | Alpine | open woods near Lake Alpine, Sierra Nevada | 2226 | Comment | ||
RSA75999 | Nemophila spatulata | F. W. Peirson | 1935-7-24 | 11568 | Alpine | North of Lake Alpine, Sierra Nevada. | 2287 | Comment | ||
RSA77055 | Hydrophyllum occidentale | F. W. Peirson | 1935-7-24 | 11572 | Alpine | North of Lake Alpine, Sierra Nevada. | 2287 | Comment | ||
RSA91629 | Carex vesicaria | F. W. Peirson | 1935-7-24 | 11708 | Alpine | Margins of Lake Alpine. | 2226 | Comment | ||
RSA92844 | Madia glomerata | F. W. Peirson | 1935-7-24 | 11571 | Alpine | North of Lake Alpine, Sierra Nevada. | 2287 | Comment | ||
UC570535 | Trifolium cyathiferum | Frank W. Peirson | 1935-7-25 | 11577 | Alpine | Lake Alpine region | 2438 | Comment | ||
UC570598 | Ribes lasianthum | Frank W. Peirson | 1935-7-25 | 11575 | Alpine | Lake Alpine Region | 2438 | Comment | ||
RSA91184 | Lupinus arbustus subsp. silvicola | F. W. Peirson | 1935-7-25 | 11579 | Alpine | Lake Alpine Region. | 2439 | Comment | ||
RSA91458 | Trifolium cyathiferum | F. W. Peirson | 1935-7-25 | 11577 | Alpine | Lake Alpine Region. | 2439 | Comment | ||
UC570532 | Cryptantha affinis | Frank W. Peirson | 1935-7-26 | 11596 | Alpine | n slope above Mokelumne River; Hemit Valley | 2438 | Comment | ||
UC570540 | Bolandra californica | Frank W. Peirson | 1935-7-26 | 11594 | Alpine | n slope above Mokelumne River (near small streamlet); Hermit Valley | 2438 | Comment | ||
RSA66146 | Draba densifolia | F. W. Peirson | 1935-7-26 | 11597 | Alpine | Hermit Valley, North Fork of Mokelumne River. | 2591 | Comment | ||
RSA90617 | Stenotus acaulis | F. W. Peirson | 1935-7-26 | 11598 | Alpine | S of N Fork of Mokelumne River (Hermit Valley). | 2591 | Comment | ||
CAS-BOT-BC223127 | Galium hypotrichium subsp. ebbettsense | Frank W. Peirson | 1935-7-27 | 11604 | Alpine | Summit region south of Ebbets Pass | 2804 | Comment | ||
GH404012 | Cryptantha humilis | F. W. Peirson | 1935-7-27 | 11599 | Unknown | Summit region south of Ebbets Pass | 2804 | Comment | ||
RSA66730 | Galium hypotrichium subsp. ebbettsense | F. W. Peirson | 1935-7-27 | 11605 | Alpine | Summit region S of Ebbet's Pass. Sierra Nevada. | 2805 | Comment | ||
RSA80858 | Orthocarpus cuspidatus subsp. copelandii | F. W. Peirson | 1935-7-27 | 11601 | Alpine | Summit region S of Ebbet's Pass. Sierra Nevada. | 2805 | Comment | ||
CAS-BOT-BC20614 | Carex douglasii | Frank W. Peirson | 1935-7-28 | 11719 | Alpine | Red Lake. | 2407 | Comment | ||
SEINET180126 | Bromus carinatus var. marginatus | Frank W. Peirson | 1935-7-28 | 11615 | Alpine | Red Lake | 2408 | Comment | ||
UC570560 | Linanthus ciliatus | Frank W. Peirson | 1935-7-28 | 11612 | Alpine | Red Lake | 2407 | Comment | ||
CAS-BOT-BC119752 | Carex nebrascensis | Frank Warrington Peirson | 1935-7-28 | 11717 | Alpine | Red Lake; Lake margin above the embankment at foot of lake. | 2407 | Comment | ||
POM257987 | Carex whitneyi | F. W. Peirson | 1935-7-28 | 11735 | Alpine | At foot of Red Lake. | 2409 | Comment | ||
POM85225 | Horkelia fusca subsp. parviflora | F. W. Peirson | 1935-7-28 | 11619 | Alpine | Lake margin at embankment at foot of Red Lake. | 2409 | Comment | ||
CAS-BOT-BC34452 | Carex deflexa var. boottii | Frank W. Peirson | 1935-7-29 | 11721 | Alpine | Wood Lake. | 2560 | Comment | ||
RSA435665 | Floerkea proserpinacoides | F. W. Peirson | 1935-7-29 | 11624 | Alpine | Not far from W base of Elephant s Back. Woods Lake Region. | 2820 | Comment | ||
SD87650 | Floerkea proserpinacoides | Frank W. Peirson | 1935-7-29 | 11624 | Alpine | Not far from west base of Elephants Back. Woods Lake Region. | 2819 | Comment | ||
CAS-BOT-BC31568 | Carex luzulifolia | Frank W. Peirson | 1935-7-30 | 11723 | Alpine | Woods Lake Region. | 2743 | Comment | ||
SD87854 | Polemonium pulcherrimum | Frank W. Peirson | 1935-7-30 | 11639 | Alpine | Woods Lake Region. | 2865 | Comment | ||
RSA66593 | Phoenicaulis cheiranthoides | F. W. Peirson | 1935-7-30 | 11637 | Alpine | Near small un-named lake just below the 9500 ft contour; Woods Lake Region. | Comment | |||
RSA91043 | Carex phaeocephala | F. W. Peirson | 1935-7-30 | 11722 | Alpine | Northwest of Roundtop, Woods Lake region. | 2805 | Comment | ||
RSA94529 | Raillardella argentea | F. W. Peirson | 1935-7-30 | 11632 | Alpine | Northwest of Roundtop, Woods Lake region. | 2805 | Comment | ||
RSA86690 | Leymus triticoides | F. W. Peirson | 1935-8-2 | 11646 | El Dorado | a few feet above Lake Tahoe at State Line | 1905 | Comment | ||
SEINET180128 | Leymus triticoides | F. W. Peirson | 1935-8-2 | 11646 | El Dorado | State Line Lake Tahoe | 1905 | Comment | ||
RSA74861 | Phacelia hastata subsp. compacta | F. W. Peirson | 1935-8-2 | 11643 | El Dorado | A few feet above Lake Tahoe. | 1905 | Comment | ||
RSA91743 | Muhlenbergia richardsonis | F. W. Peirson | 1935-8-2 | 11644 | El Dorado | Near State Line, Lake Tahoe | 1905 | Comment | ||
RSA93948 | Artemisia dracunculus | F. W. Peirson | 1935-8-2 | 11645 | El Dorado | Open flat back lot at State Line, Lake Tahoe | 1905 | Comment | ||
CAS-BOT-BC119804 | Carex nebrascensis | Frank Warrington Peirson | 1935-8-4 | 11728 | Mono | Sonora Pass Region, ca. 2 mi SE of Pass. | Comment | |||
CAS-BOT-BC251492 | Castilleja lemmonii | F. W. Peirson | 1935-8-4 | 11658 | Mono | in large boggy meadow, along east slope of main range about 1.5 mi. south of Sonora Pass | 2834 | Comment | ||
RSA69534 | Maianthemum stellatum | Frank W. Peirson | 1935-8-4 | 11651 | Mono | Sonora Pass region | 2622 | Comment | ||
RSA82275 | Castilleja lemmonii | F. W. Peirson | 1935-8-4 | 11658 | Mono | Along east slope of main range, ca. 1.5 miles east of Sonora Pass, Sierra Nevada. | 2835 | Comment | ||
RSA86720 | Aristida adscensionis var. modesta | F. W. Peirson | 1936-4-16 | 11463 | Imperial | 4-S Pass northeast of Ogilby. | Comment | |||
RSA77757 | Viola lobata | F. W. Peirson | 1936-5-30 | 11823 | Tulare | Balch Park, Sierra Nevada. | 1921 | Comment | ||
CAS-BOT-BC515673 | Prosartes hookeri | Frank W. Peirson | 1936-5-30 | 11824 | Tulare | Balch Park | 1920 | Comment | ||
RSA68802 | Delphinium patens | F. W. Peirson | 1936-5-30 | 11825 | Tulare | Oak wooads, Balch Park. | 1921 | Comment | ||
JEPS62813 | Satureja mimuloides | Frank W. Peirson | 1936-7-13 | 11828 | Monterey | Nacimiento Creek (branch of San Antonio River) | 518 | Comment | ||
RSA289934 | Monardella villosa subsp. obispoensis | F. W. Peirson | 1936-7-13 | 11829 | Monterey | Nacimiento Creek, a branch of San Antonio River | 518 | Comment | ||
RSA87463 | Agrostis pallens | F. W. Peirson | 1936-7-16 | 11998 | Del Norte | Smith River, near sea level. | Comment | |||
POM78541 | Carex subnigricans | F. W. Peirson | 1936-7-17 | 13596 | Inyo | Heart Lake Meadow, Rock Creek Lake Basin. | Comment | |||
POM231933 | Bromus arenarius | F. W. Peirson | 1937-5-30 | 12079 | Kern | Ca. 2 miles above White Oak Lodge, Cottonwood Creek, Tahachapi Mountains. | 1677 | Comment | ||
RSA84359 | Boykinia occidentalis | F. W. Peirson | 1937-7-19 | 12086 | Monterey | Big Sur River. | Comment | |||
JEPS16588 | Heuchera micrantha var. diversifolia | Frank W. Peirson | 1937-7-19 | 12096 | Monterey | Pine Ridge trail from public camp grounds Big Sur River | 304 | Comment | ||
CAS-BOT-BC32179 | Carex multicostata | Frank Warrington Peirson | 1937-7-22 | 13563 | Alpine | Woods Lake, Sierra Nevada. | 2560 | Comment | ||
POM231942 | Silene douglasii | F. W. Peirson | 1937-7-22 | s.n. | Alpine | Woods Lake Region; near Fourth of July Lake. | 2896 | Comment | ||
RSA80065 | Veronica cusickii | F. W. Peirson | 1937-7-23 | 12100 | Alpine | Along western edge of plateau southwest of Woods Lake | 2805 | Comment | ||
RSA87467 | Lupinus meionanthus | F. W. Peirson | 1937-7-23 | 12101 | Alpine | Northwest of Woods Lake. | Comment | |||
RSA70228 | Allium bisceptrum | F. W. Peirson | 1937-7-24 | 12113 | Alpine | Along trail to Winnemucca Lake, in rather open terrain, Woods Lake Region. | 2683 | Comment | ||
RSA85939 | Selaginella watsonii | Frank W. Peirson | 1937-7-24 | 12116 | Alpine | Near Woods Lake, Sierra Nevada. | 2561 | Comment | ||
SEINET8351279 | Festuca viridula | Frank W. Peirson | 1937-7-24 | 12219 | Unknown | Woods Lake; shores of Winnemuca Lake. | 2743 | Comment | ||
JEPS27462 | Cerastium beeringianum var. capillare | Frank W. Peirson | 1937-7-25 | 12120 | Alpine | short distance w. Fourth of July Lake; Woods Lake Region | 2895 | Comment | ||
RSA69652 | Spiranthes romanzoffiana | Frank W. Peirson | 1937-7-28 | 12135 | El Dorado | Back of the Memler property near Richardsons; Lake Tahoe. | 1905 | Comment | ||
RSA69484 | Luzula comosa | F. W. Peirson | 1937-7-30 | 12140 | Mono | Mill Creek (Lundy Canyon). | 2470 | Comment | ||
RSA85708 | Potentilla diversifolia var. diversifolia | F. W. Peirson | 1937-7-30 | 12151 | Mono | Lundy Canyon, Mill creek. | 2591 | Comment | ||
RSA0022024 | Ribes montigenum | F. W. Peirson | 1937-7-30 | 12146 | Mono | Broken country above the falls, Mill Creek (Lundy Canyon). | 2515 | Comment | ||
JEPS40841 | Symphyotrichum campestre | Frank W. Peirson | 1937-8-1 | 12156 | Mono | Long Valley Hot Creek Region; , Hot Creek Region | 2103 | Comment | ||
RSA65233 | Eriogonum ampullaceum | F. W. Peirson | 1937-8-1 | 12155 | Mono | Long Valley, Hot Creek region. | 2104 | Comment | ||
RSA88856 | Carex praegracilis | F. W. Peirson | 1937-8-1 | 12207 | Mono | Long Valley, Hot Creek region. | 2104 | Comment | ||
RSA91845 | Spartina gracilis | F. W. Peirson | 1937-8-1 | 12223 | Mono | Long Valley, Hot Creek Basin | 2104 | Comment | ||
RSA93154 | Aster campestris | F. W. Peirson | 1937-8-1 | 12156 | Mono | Long Valley, Hot Creek region. | 2104 | Comment | ||
RSA66550 | Draba breweri | F. W. Peirson | 1937-8-3 | 12173 | Inyo | along E shore of Long Lake, Rock Creek Lake Basin | 3262 | Comment | ||
RSA78528 | Carex subnigricans | F. W. Peirson | 1937-8-3 | 13584 | Inyo | Above Long Lake, Rock Creek Lake Basin. | Comment | |||
SD87877 | Stipa occidentalis var. occidentalis | Frank W. Peirson | 1937-8-4 | Inyo | Rock Creek Lake Basin. Dry borders of Heart Lake Meadow. | 3215 | Comment | |||
UC1026426 | Carex filifolia var. erostrata | F. W. Peirson | 1937-8-4 | 13593 | Inyo | Escarpment at Heart Lake Rock Creek Basin | 3230 | Comment | ||
CAS-BOT-BC429020 | Micranthes nidifica | F. W. Peirson | 1937-8-5 | 12179 | Inyo | West of Long Lake, Rock Creek Lake Basin | 3276 | Comment | ||
POM231950 | Cistanthe rosea | F. W. Peirson | 1937-8-5 | 11269 | Inyo | Rock Creek Lake Basin. | 3201 | Comment | ||
UC643213 | Ericameria discoidea | Frank W. Peirson | 1937-8-6 | Inyo | e side of canyon on the rocky s slope of the Transverse Ridge Rock Creek Lake Basin, Transverse Ridge | 3230 | Comment | |||
JEPS22391 | Stellaria calycantha | Frank W. Peirson | 1937-8-6 | 12181 | Inyo | Rock Creek Lake Basin; in the Grass Bog on the e side | 3291 | Comment | ||
JEPS27458 | Boechera retrofracta | Frank W. Peirson | 1937-8-6 | 12183 | Inyo | Box Lake Rock Creek Lake Basin | 3215 | Comment | ||
RSA86639 | Geum macrophyllum | F. W. Peirson | 1937-8-6 | 12185 | Inyo | East side of Rock Creek Lake basin. | 3293 | Comment | ||
JEPS27459 | Astragalus lentiginosus var. ineptus | Frank W. Peirson | 1937-8-8 | Inyo | between the glacial ridges along the summit of the Transverse Ridge Rock Creek Lake Basin Rock Creek Lake Basin, summit of Transverse Ridge | 3352 | Comment | |||
SEINET202660 | Calyptridium umbellatum | F. W. Peirson | 1937-8-9 | Inyo | Above Mono Pass Rock Cr Lake Basin | 3673 | Comment | |||
JEPS16589 | Luzula parviflora | Frank W. Peirson | 1937-8-10 | Inyo | along stream tributary to Ruby Creek (below Falls); Rock Creek Lake Basin, tributary to Ruby Creek | 3322 | Comment | |||
RSA70003 | Tidestromia oblongifolia | F. W. Peirson | 1937-11-27 | 12319 | Riverside | La Quinta, Coachella Valley. At sea-level. | 0 | Comment | ||
RSA65917 | Polygonum ramosissimum | F. W. Peirson | 1938-4-10 | 12379 | Riverside | 1-2 miles west of Blythe. | Comment | |||
RSA87008 | Myrica californica | F. W. Peirson | 1938-4-13 | 12385 | Santa Barbara | 0.5 miles up stream on Bear Creek, about 2 miles south of Surf. | Comment | |||
RSA0025031 | Ribes divaricatum var. pubiflorum | F. W. Peirson | 1938-4-13 | 12384 | Santa Barbara | 0.5 miles up stream on Bear Creek, about 2 miles south of Surf. | Comment | |||
RSA73057 | Leptosiphon lemmonii | F. W. Peirson | 1938-5-30 | 12414 | Riverside | Thomas Mountain, Hemet Valley. | 1402 | Comment | ||
RSA0017275 | Gilia ochroleuca subsp. exilis | F. W. Peirson | 1938-5-30 | 12413 | Riverside | Thomas Mountain, Hemet Valley. | 1402 | Comment | ||
UC908992 | Saltugilia splendens subsp. grantii | Frank W. Peirson | 1938-6-2 | 7933 | Los Angeles | South Fork Rock Cr San Gabriel Mts., S Fork Rock Cr | 1981 | Comment | ||
JEPS48928 | Calyptridium roseum | Frank W. Peirson | 1938-7-8 | 12433 | Mono | Hot Creek Region; near the gorge | 2194 | Comment | ||
RSA77039 | Malacothamnus orbiculatus | F. W. Peirson | 1938-7-8 | 12416 | Inyo | on flats along Lone Pine Creek, west of Alabama Hills | 1524 | Comment | ||
RSA86687 | Leymus triticoides | F. W. Peirson | 1938-7-8 | 12415 | Inyo | Near bank of Lone Pine Creek, west of Alabama Hills. | Comment | |||
JEPS1427 | Nama densa | Frank W. Peirson | 1938-7-8 | 12421 | Mono | Sherwin Hill , Sherwin Hill (Sherwin Grade) | 1889 | Comment | ||
RSA65404 | Cistanthe rosea | F. W. Peirson | 1938-7-8 | 12433 | Mono | Near the Hot creek Gorge, Ownes Valley | 2195 | Comment | ||
RSA75533 | Phacelia bicolor | F. W. Peirson | 1938-7-8 | s.n. | Mono | Crooked Creek | 2073 | Comment | ||
RSA80430 | Antirrhinum kingii | F. W. Peirson | 1938-7-8 | 12425 | Inyo | Sherwin Grade, north of Bishop. | 1890 | Comment | ||
UC599223 | Monolepis nuttalliana | Frank W. Peirson | 1938-7-8 | 12440 | Mono | near the windmill in low valley between hills Hot Creek | Comment | |||
UC599227 | Phlox stansburyi | Frank W. Peirson | 1938-7-8 | 12429 | Mono | between the Boulevard in the vicinity of Whisky Creek and the Owens River; Whisky Creek | 2072 | Comment | ||
UC599225 | Mimulus nanus var. mephiticus | Frank W. Peirson | 1938-7-9 | 12445 | Mono | e base Mono Craters | 2133 | Comment | ||
RSA72298 | Aliciella monoensis | F. W. Peirson | 1938-7-9 | 12615 | Mono | 19 miles northwest of Benton | 2165 | Comment | ||
RSA94934 | Tetradymia glabrata | F. W. Peirson | 1938-7-9 | 12448 | Mono | About 19 miless W or NW of Benton. | 2073 | Comment | ||
UC599191 | Gilia subacaulis | Frank W. Peirson | 1938-7-9 | 12615 | Mono | 19 mi w or nw Benton; nw of Benton | 2164 | Comment | ||
UC599222 | Abronia turbinata | Frank W. Peirson | 1938-7-9 | 12443 | Mono | At east base of Mono Craters Mono Craters | Comment | |||
CAS-BOT-BC226903 | Loeseliastrum depressum | Frank W. Peirson | 1938-7-10 | 12462 | Mono | West slope White Mountains. Directly below the Devernois Ranch | 1432 | Comment | ||
RSA0006788 | Astragalus lentiginosus var. fremontii | F. W. Peirson | 1938-7-10 | 12458 | Mono | Below the old Devernois Ranch, west slope of White Mountains. | 1463 | Comment | ||
UC640213 | Ericameria paniculata | Frank W. Peirson | 1938-11-12 | 12638 | San Diego | just above The Narrows; San Felipe Canyon | Comment | |||
UC643217 | Sphaeromeria cana | Frank W. Peirson | 1939-8-3 | Inyo | w Long Lake; Rock Creek Lake Basin | 3261 | Comment | |||
RSA94586 | Achillea millefolium | F. W. Peirson | 1939-8-3 | 12770 | Inyo | Near south end of Long Lake, Rock Creek Lake Basin, Northern Inyo Co. | 3262 | Comment | ||
CAS-BOT-BC318400 | Packera cana | Frank Warrington Peirson | 1939-8-5 | s.n. | Inyo | Rock Creek Lake Basin, Along the foot of the escarpment at Heart Lake | 3230 | Comment | ||
RSA0101659 | Botrychium simplex var. compositum | F. W. Peirson | 1939-8-6 | 12991 | Inyo | Along west shore of Ruby Lake, Rock Creek Lake Basin. | 3399 | Comment | ||
RSA97462 | Perideridia parishii subsp. latifolia | F. W. Peirson | 1939-8-6 | 12888 | Inyo | Ruby Lake, Rock Creek Lake Basin. | 3399 | Comment | ||
UC640212 | Eucephalus breweri | Frank W. Peirson | 1939-8-9 | 12786 | Alpine | Woods Lake | 2545 | Comment | ||
UC640231 | Monardella odoratissima subsp. pallida | Frank W. Peirson | 1939-8-9 | 12791 | Alpine | At foot of rocks north of Woods Lake | 2545 | Comment | ||
UC640229 | Valeriana californica | Frank W. Peirson | 1939-8-10 | 12797 | Alpine | slopes above Winnemucca Lake; Woods Lake Region | 2773 | Comment | ||
RSA90902 | Carex utriculata | F. W. Peirson | 1939-8-10 | 12812 | Alpine | At edge of outlet of Woods Lake. | 2561 | Comment | ||
RSA93788 | Aster integrifolius | F. W. Peirson | 1939-8-10 | 12796 | Alpine | Above Winnemucca Lake, Wood's Lake Region. | 2774 | Comment | ||
UC640244 | Sparganium emersum var. emersum | Frank W. Peirson | 1939-8-10 | 12813 | Alpine | margin of Woods Lake | 2560 | Comment | ||
RSA84258 | Parnassia palustris var. californica | F. W. Peirson | 1939-8-11 | s.n. | Alpine | On northeast slope of Round Top, Woods Lake Region | 2820 | Comment | ||
POM254415 | Mimulus nanus var. mephiticus | F. W. Peirson | 1939-8-12 | 12840 | Alpine | Woods Lake Region. Frog Lake below high water mark. | 2713 | Comment | ||
UC640217 | Polygonum polygaloides subsp. kelloggii | Frank W. Peirson | 1939-8-12 | 12844 | Alpine | meadow s-ward from Carson Pass; Woods Lake Region | 2621 | Comment | ||
UCR142546 | Gnaphalium palustre | F. W. Peirson | 1939-8-12 | 12833 | Alpine | Sierra Nevada Mtns., Woods Lake region; south of Carson Pass | 2622 | Comment | ||
RSA85227 | Horkelia fusca subsp. parviflora | F. W. Peirson | 1939-8-13 | 12853 | Alpine | below Frog Lake, Woods Lake Region. | 2683 | Comment | ||
CAS-BOT-BC268650 | Eriogonum spergulinum var. reddingianum | Frank W. Peirson | 1939-8-13 | 12854 | Alpine | About Frog Lake; Woods Lake region, Sierra Nevada | 2712 | Comment | ||
CAS-BOT-BC294540 | Erigeron breweri var. breweri | Frank W. Peirson | 1939-8-13 | 12858 | Alpine | Woods Lake | 2560 | Comment | ||
RSA69388 | Thalictrum fendleri | F. W. Peirson | 1939-8-13 | 12859 | Alpine | Along the south shore of Woods Lake. | 2561 | Comment | ||
RSA94941 | Tetradymia canescens | F. W. Peirson | 1939-8-13 | s.n. | Alpine | Frog Lake, Woods Lake Region, Sierra Nevada. | Comment | |||
RSA97458 | Osmorhiza occidentalis | F. W. Peirson | 1939-8-13 | 12852 | Alpine | Slope above Frog Lake, Woods Lake Region, Sierra Nevada | 2744 | Comment | ||
RSA65054 | Silene invisa | F. W. Peirson | 1939-8-14 | 13001 | Alpine | East Fork of Woods Creek, Woods Lake region. | 2622 | Comment | ||
RSA66222 | Arabis holboellii var. pinetorum | F. W. Peirson | 1939-8-20 | 12873 | Fresno | West side of Florence Lake. | 2226 | Comment | ||
RSA90371 | Lotus nevadensis | F. W. Peirson | 1939-8-20 | 12872 | Fresno | West side of Florence Lake. | 2226 | Comment | ||
CAS-BOT-BC286596 | Ericameria bloomeri | Frank W. Peirson | 1939-8-22 | 12884 | Fresno | Florence Lake | 2209 | Comment | ||
POM258117 | Carex utriculata | F. W. Peirson | 1939-8-22 | s.n. | Fresno | Wet location along stream in Jackass Meadow. Florence Lake region. | 2180 | Comment | ||
RSA82064 | Cordylanthus tenuis | F. W. Peirson | 1939-8-22 | 12878 | Fresno | abundant along west shore of Florence Lake, Sierra Nevada | Comment | |||
RSA70002 | Tidestromia oblongifolia | F. W. Peirson | 1939-11-25 | s.n. | Riverside | Foot of mountain near Painted Canyon. | Comment | |||
CAS-BOT-BC349762 | Monoptilon bellioides | F. W. Peirson | 1940-3-21 | s.n. | Inyo | Death Valley at road junction on north side of valley | Comment | |||
RSA82581 | Stachys ajugoides | F. W. Peirson | 1940-4-20 | s.n. | San Luis Obispo | Cambria Pines. | Comment | |||
PASA779 | Gilia capitata | Frank W. Peirson | 1940-5-14 | Kern | Greenhorn Range, east slope | 1523 | Comment | |||
RSA75979 | Draperia systyla | F. W. Peirson | 1940-6-2 | 12932 | Fresno | Along road to Kings River; from canyon of South Fork of Kings River. | 1067 | Comment | ||
UC643215 | Draperia systyla | Frank W. Peirson | 1940-6-2 | 12932 | Fresno | Canyon of South Fork Kings River | 1066 | Comment | ||
PASA1122 | Scutellaria angustifolia | Frank W. Peirson | 1940-7-3 | San Bernardino | Road to Fish Hatchery south of Baldwin Lake, San Bernardino Mts. | 2133 | Comment | |||
PASA1123 | Scutellaria angustifolia | Frank W. Peirson | 1940-7-3 | San Bernardino | Road to Fish Hatchery south of Baldwin Lake, San Bernardino Mts. | 2133 | Comment | |||
POM254402 | Potentilla gracilis var. elmeri | F. W. Peirson | 1940-8-1 | 12962 | Inyo | Heart Lake Meadow, Rock Creek Lake Basin, Sierra Nevada. | 3232 | Comment | ||
RSA66500 | Arabis lyallii | F. W. Peirson | 1940-8-2 | 12973 | Inyo | Along bank on east side of creek a short distance below Ruby Lake, Rock Creek Lake Basin. Inyo. | Comment Read comments May 12 2014 |
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RSA78491 | Salix arctica | F. W. Peirson | 1940-8-2 | 13533 | Inyo | Below Ruby Lake, Rock Creek Lake Basin. | 3506 | Comment | ||
POM254413 | Antennaria media | F. W. Peirson | 1940-8-2 | 12959 | Inyo | shore of Ruby Lake near outlet; Rock Creek Lake Basin, northern Inyo Co. | 3399 | Comment | ||
RSA85742 | Potentilla flabellifolia | F. W. Peirson | 1940-8-2 | 12960 | Inyo | Along grassy border of stream from below Ruby Lake Basin, northern Inyo Co. | 3390 | Comment | ||
UC643206 | Draba sierrae | Frank W. Peirson | 1940-8-5 | 12949 | Inyo | steep e wall of canyon near the Transverse Ridge Rock Creek Lake Basin Rock Creek Lake Basin | 3413 | Comment | ||
CAS-BOT-BC399931 | Thalictrum sparsiflorum | Frank W. Peirson | 1940-8-5 | s.n. | Inyo | Margin of lake on east side of canyon and at base of Transverse Ridge; Rock Creek Lake Basin, Sierra Nevada | 3261 | Comment | ||
RSA85043 | Pellaea breweri | F. W. Peirson | 1940-8-5 | 12989 | Inyo | at south base of the Transverse Ridge, Rock Creek Lake Basin, Sierra Nevada | 3277 | Comment | ||
CAS-BOT-BC13874 | Boechera inyoensis | Frank W. Peirson | 1940-8-6 | 12975 | Inyo | Rock Creek Lake Basin. Mountain slope west of Heart Lake. | 3291 | Comment | ||
CAS-BOT-BC13875 | Boechera inyoensis | Frank W. Peirson | 1940-8-6 | 12975 | Inyo | Rock Creek Lake Basin. | 3291 | Comment | ||
POM256929 | Achnatherum occidentale subsp. occidentale | F. W. Peirson | 1940-8-6 | 12940 | Inyo | Rock Creek Lake Basin | 3323 | Comment | ||
UC643231 | Montia chamissoi | Frank W. Peirson | 1940-8-6 | Inyo | w of Heart Lake (Rock Creek Lake Basin); Rock Creek Lake Basin | 3291 | Comment | |||
RSA91664 | Trisetum spicatum | F. W. Peirson | 1940-8-6 | 12941 | Inyo | Heart Lake Meadow, Rock Creek Lake Basin | 3201 | Comment | ||
POM254414 | Antennaria pulchella | F. W. Peirson | 1940-8-9 | 12957 | Inyo | Above upper lake on east side of Rock Creek Lake Basin. | 3293 | Comment | ||
UC643229 | Hulsea algida | Frank W. Peirson | 1940-8-9 | Inyo | on e side of canyon Rock Creek Lake Basin | 3307 | Comment | |||
POM256928 | Calamagrostis canadensis | F. W. Peirson | 1940-8-13 | 12943 | Inyo | Rock Creek Lake Basin above Heart Lake Meadow | 3232 | Comment | ||
CAS-BOT-BC333029 | Senecio scorzonella | Frank W. Peirson | 1940-8-14 | 12982 | Inyo | Box Lake, Rock Creek Lake Basin | 3230 | Comment | ||
UC698469 | Eleocharis suksdorfiana | Frank W. Peirson | 1940-8-17 | Inyo | Heart Lake Meadow Rock Creek Lake Basin | 3200 | Comment | |||
RSA91045 | Carex subfusca | F. W. Peirson | 1940-8-17 | 13022 | Inyo | Heart Lake Meadow, Rock Creek Lake Basin. | 3201 | Comment | ||
RSA91847 | Danthonia intermedia | F. W. Peirson | 1940-8-18 | 12935 | Inyo | South of Long Lake, Rock Creek Lake Basin, northern Inyo County. Alt. 10700 ft. | 3262 | Comment | ||
UC837234 | Carex buxbaumii | Frank W. Peirson | 1940-8-19 | 12946 | Inyo | Rock Creek Lake Basin | 3261 | Comment | ||
RSA94517 | Arnica mollis | F. W. Peirson | 1940-9-10 | 12999 | Inyo | First Glacial Lake, Rock Creek Lake basin | 3384 | Comment | ||
UC643212 | Tofieldia occidentalis subsp. occidentalis | Frank W. Peirson | 1940-9-10 | Inyo | one of the small lakes above Morgan Pass; Rock Creek Lake Basin | 3352 | Comment | |||
RSA69541 | Mentzelia involucrata | F. W. Peirson | 1941-4-8 | s.n. | Imperial | Painted Gorge north of the San Diego to El Centro hwy. | Comment | |||
RSA74710 | Nama hispida var. revoluta | F. W. Peirson | 1941-4-8 | s.n. | Imperial | 10 miles NW of Ogilby. | Comment | |||
RSA80274 | Cryptantha maritima var. pilosa | F. W. Peirson | 1941-4-8 | 13073 | Imperial | Road to gorge turns N from boulevard a few miles E of Mtn Springs Grade | Comment | |||
RSA66762 | Arabis pulchra | F. W. Peirson | 1941-4-9 | 13077 | Riverside | Open desert among shrubs; Pinto Basin road at junction with road to Cottonwood Springs. | Comment | |||
RSA66799 | Arabis glaucovalvula | F. W. Peirson | 1941-4-10 | 13078 | Riverside | White Tank Region at summit of grade S of 29 Palms. | Comment | |||
RSA86754 | Vulpia microstachys var. ciliata | F. W. Peirson | 1941-5-31 | 13080 | Fresno | Cedar Grove, Kings River; Sierra Nevada. | 1402 | Comment | ||
RSA70421 | Polygala californica | F. W. Peirson | 1941-7-23 | 13086 | Mendocino | About 3 miles back from beach. Van Damme State Park. | Comment | |||
RSA91983 | Holcus lanatus | F. W. Peirson | 1941-7-23 | 13120 | Mendocino | Van Damme State Park. Near sea level. | Comment | |||
RSA78648 | Solanum umbelliferum | F. W. Peirson | 1943-5-15 | 13550 | Los Angeles | Rock Creek, north slope of San Gabriel Mountains. | 1296 | Comment | ||
CAS-BOT-BC141852 | Potentilla anserina | F. W. Peirson | 1943-5-30 | 13552 | San Bernardino | Baldwin Lake, San Bernardino Mts., southern California | Comment | |||
RSA78639 | Phacelia curvipes | F. W. Peirson | 1946-4-20 | 13542 | Inyo | Gray s Camp. | Comment | |||
RSA79947 | Cryptantha nubigena | F. W. Peirson | 1950-8-9 | 9153 | Inyo | East of Heart Lake; Rock Creek Lake Basin | 3430 | Comment | ||
RSA65653 | Claytonia palustris | F. W. Peirson | 1951-1 | 1860 | Tulare | Tule River, Sierra Nevada | Comment | |||
RSA95062 | Hemizonia australis | F. W. Peirson | 1951-1 | 1350 | Los Angeles | at 1085 New York Drive, Altadena. | Comment Read comments Apr 1 2009 |
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RSA82224 | Verbena scabra | F. W. Peirson | 1951-08 | 1039 | Los Angeles | Kewen Lake, Pasadena | Comment | |||
RSA66767 | Arabis divaricarpa | F. W. Peirson | 1956-7-24 | 9456 | Inyo | Foot of escarpment near Heart Lake, Rock Creek Lake Basin. | 3232 | Comment |
Copyright © 2019 Regents of the University of California — Updated 11 January 2019 |