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Search Results
— 2000 specimen records retrieved (1036 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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UCR142721 | Camissonia claviformis subsp. peirsonii | F. W. Peirson | 1922-4-12 | 4512 | Imperial | Sonoran (Colorado) Desert, Twenty-eight miles south [SE] of Coachella | -56 | Comment | ||
CAS-BOT-BC128762 | Whipplea modesta | Frank W. Peirson | 1941-7-23 | s.n. | Mendocino | Van Damme Creek, Van Damme State Park, about 2 miles up the stream. | Comment | |||
CAS-BOT-BC132784 | Salix arctica | F. W. Peirson | 1933-8-21 | 13530 | Inyo | Upper Ruby Stream, Rock Creek Lake Basin | Comment | |||
CAS-BOT-BC14899 | Crepis intermedia | Frank Warrington Peirson | 1926-6-25 | 6873 | Modoc | Cedarville Pass, Warner Mountains | Comment | |||
CAS-BOT-BC162668 | 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-BC175132 | Silene verecunda | Frank W. Peirson | 1922-8-25 | 3270 | San Bernardino | South Fork Santa Ana River, San Bernardino Mts. | Comment | |||
CAS-BOT-BC179188 | Floerkea proserpinacoides | Frank Warrington Peirson | 1926-6-25 | 6888 | Modoc | Small side canyon, 1 mi. E of summit, Cedarville Rd. | Comment | |||
CAS-BOT-BC185859 | Vulpia octoflora var. hirtella | F. W. Peirson | 1918-5-19 | 1567 | Los Angeles | Millards Canyon, San Gabriel Mts. | Comment | |||
CAS-BOT-BC197983 | Navarretia intertexta subsp. propinqua | Frank Warrington Peirson | 1926-6-25 | 6868 | Modoc | Cedarville Pass, Warner Mts. | Comment | |||
CAS-BOT-BC198169 | Deschampsia danthonioides | Frank W. Peirson | 1922-5-19 | 3022 | Riverside | 10 mi. NE of Murietta along roadside, Menifee Valley | Comment | |||
CAS-BOT-BC205346 | Lupinus elatus | F. W. Peirson; Bulletin Torrey Club | 1919-6-4 | 2435 | San Bernardino | Icehouse Canon [Canyon] | Comment | |||
CAS-BOT-BC227046 | Leptosiphon floribundus subsp. glaber | Frank W. Peirson | 1922-4-28 | 946 | Riverside | Leach Canon [Canyon], Elsinore Region | Comment | |||
CAS-BOT-BC243666 | Justicia californica | Frank W. Peirson | 1928-3-24 | 7736 | San Diego | San Felipe Creek near the foot of Sentenac Canyon | Comment | |||
CAS-BOT-BC252979 | Eriogonum reniforme | Frank W. Peirson | 1928-4-2 | 7788 | Inyo | Near Bradbury Well, Death Valley Region | Comment | |||
CAS-BOT-BC259447 | Eriogonum luteolum | Frank W. Peirson | 1923-7-7 | 3709 | Mendocino | About 3 miles southeast of Boonville | Comment | |||
CAS-BOT-BC263556 | Eriogonum thomasii | Frank W. Peirson | 1928-4-22 | 7881 | San Diego | San Felipe Creek at the Narrows | Comment | |||
CAS-BOT-BC263557 | Eriogonum thomasii | Frank W. Peirson | 1928-4-22 | 7881 | San Diego | Along foot of rocky walls of the Narrows, San Felipe Creek, western edge of Colorado Desert | Comment | |||
CAS-BOT-BC301784 | Eriophyllum multicaule | Frank W. Peirson | 1922-4-29 | 2927 | Riverside | Road to Leach Canon [Canyon], Elsinore | Comment | |||
CAS-BOT-BC303585 | Geraea canescens | Frank W. Peirson | 1921-3-23 | 2782 | Riverside | 10 miles SE of Palm Springs | Comment | |||
CAS-BOT-BC311079 | Heterotheca oregona var. rudis | Frank W. Peirson | 1926-7-13 | 7051 | Humboldt | Mad River, vicinity of Blue Lake | Comment | |||
CAS-BOT-BC312844 | Hymenoxys lemmonii | Frank W. Peirson | 1932-7-20 | 10356 | Plumas | Sierra Valley, probably Plumas County. North of Loyalton | Comment | |||
CAS-BOT-BC327848 | Oreostemma peirsonii | F. W. Peirson | 1919-8-8 | 1276 | Tulare | Twin Lake Cirque, Mt. Whitney Region | Comment | |||
CAS-BOT-BC330357 | Lessingia tenuis | Frank W. Peirson | 1923-6-10 | s.n. | Ventura | Seymour Cr., Mt. Pinos | 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 | |||
CAS-BOT-BC348003 | Malacothrix sonchoides | Frank W. Peirson | 1922-5-14 | 3001 | San Bernardino | Mojave Desert. 8 miles north of Barstow | Comment | |||
CAS-BOT-BC401964 | Gilia ochroleuca subsp. bizonata | Frank W. Peirson | 1923-6-10 | 3582 | Ventura | Seymour Cr., Mt. Pinos | Comment | |||
CAS-BOT-BC407623 | Gilia ochroleuca subsp. exilis | Frank W. Peirson | 1938-5-30 | 12413 | Riverside | South of the Shell Gas station, Thomas Mountain, Hemet Valley | Comment | |||
CAS-BOT-BC418708 | Eschscholzia glyptosperma | Frank W. Peirson | 1928-4-1 | 7771 | Inyo | (Canyon floor about 4 miles below Bradbury Well.) Old Confidence Mill to Bradbury Well, Death Valley Region | Comment | |||
CAS-BOT-BC42028 | Draba albertina | Frank W. Peirson | 1908-7-23 | 653 | Tulare | Sierra Nevada. Sequoia National Park. | Comment | |||
CAS-BOT-BC46323 | Arctostaphylos pungens | Frank W. Peirson | 1929-3-30 | 8279 | San Diego | Pines Hills Lodge near Julian. | Comment | |||
CAS-BOT-BC48095 | Styrax redivivus | Frank W. Peirson | 1923-5-5 | 3493 | Orange | Trabuco Canyon, Santa Ana Mts. - Near canyon bottom in shade. | Comment | |||
CAS-BOT-BC83349 | Myosurus minimus | Frank W. Peirson | 1922-5-19 | 4171 | Riverside | Menifee Valley. | Comment | |||
CAS-BOT-BC88077 | Thelypodium brachycarpum | Frank W. Peirson | 1923-7-19 | 3736 | Siskiyou | Laird's Landing. | Comment | |||
CAS-BOT-BC88116 | Thelypodium laciniatum | Frank W. Peirson | 1923-7-19 | 3734 | Siskiyou | Laird's Landing. | Comment | |||
GH420237 | Tiquilia canescens var. pulchella | F. W. Peirson | 1935-4-16 | Unknown | 4-S Pass eastern Imperial Co. | Comment | ||||
JEPS10828 | Orobanche fasciculata | Frank W. Peirson | 1919-6-7 | 465 | Los Angeles | San Gabriel Mountains, Cow Canyon Divide. | Comment | |||
JEPS1174 | Phacelia mohavensis | Frank W. Peirson | 1922-7-5 | 3164 | Los Angeles | 1 mi w Big Pines; San Gabriel Mountains, Mescal Creek region | 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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JEPS200 | Sanicula arguta | Mabel Peirson | Apr 12 1927-Apr 14 1927 | Santa Barbara | Prisoner's Cove Santa Cruz Isl. | Comment | ||||
JEPS20270 | Limonium sinuatum | Frank W. Peirson | 1923-3-27 | 3397 | San Diego | Imperial Beach | 0 | Comment | ||
JEPS23380 | Delphinium gypsophilum | Frank W. Peirson | 1928-4-5 | 7834 | Kern | n slope Tehachapi Pass | Comment | |||
JEPS27588 | Gayophytum heterozygum | F. W. Peirson | 1918-6-30 | 130 | Los Angeles | Mt. Wilson San Gabriel Mountains (near summit) | Comment | |||
JEPS36931 | Artemisia dracunculus | F. W. Peirson | 1918-10-16 | 272 | Los Angeles | Pacoima Canyon San Gabriel Mts., Pacoima Canyon | Comment | |||
JEPS37778 | Quercus wislizeni | Frank W. Peirson | 1919-5-10 | 403 | Los Angeles | Mt. Gleason San Gabriel Mts. | Comment Read comments Aug 21 2014 |
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JEPS40715 | Dieteria canescens var. canescens | Frank W. Peirson | 1923-8-30 | 4008 | Los Angeles | Mescal Creek San Gabriel Mountains (very head) | Comment | |||
JEPS41860 | Corethrogyne filaginifolia | Frank W. Peirson | 1918-10-15 | 229 | Los Angeles | Summit Sister Elsie Peak; San Gabriel Mts. | Comment | |||
JEPS44040 | Epilobium canum subsp. latifolium | Frank W. Peirson | 1918-6-30 | 123 | Los Angeles | Trail from Mt. Lowe to Mt. Wilson. | Comment | |||
JEPS49135 | Ephedra funerea | Frank W. Peirson | 1928-4-2 | 7790 | Inyo | near Bradbury Well; Death Valley Region | Comment | |||
JEPS56706 | Eriogonum davidsonii | Frank W. Peirson | 1918-6-30 | 18 | Los Angeles | summit Mt. Wilson San Gabriel Mts., Mt. Wilson | Comment | |||
JEPS57740 | Chorizanthe spinosa | Frank W. Peirson | 1927-5-29 | 7336 | Kern | Red Rock Canyon | Comment | |||
JEPS5908 | Bloomeria crocea | Frank Peirson | 1918-6-28 | 6 | Los Angeles | foothills e. of Rubio Canyon; base s. of San Gabriel Mts. | Comment | |||
JEPS61990 | Lilium humboldtii subsp. ocellatum | Frank W. Peirson | 1919-7-1 | 515 | Los Angeles | Fish Canyon; San Gabriel Mountains | Comment | |||
JEPS63300 | Teucrium glandulosum | Frank W. Peirson | 1935-4-18 | 11504 | San Bernardino | n part Whipple Mts. | Comment | |||
JEPS63880 | Juncus mexicanus | Frank W. Peirson | 1920-9-17 | 2287 | Los Angeles | San Antonio Canyon San Gabriel Mountains | Comment | |||
JEPS65123 | Lupinus elatus | Frank W. Peirson | 1918-6-10 | 89 | Los Angeles | Summit of San Gabriel Peak San Gabriel Peak | Comment | |||
JEPS65607 | Pediomelum californicum | Frank W. Peirson | 1933-7-9 | 10686 | Kern | road from Caliente to Bodfish about 6 mi s Bodfish; s of Bodfish | Comment | |||
JEPS69868 | Leptodactylon pungens | Frank W. Peirson | 1923-7-19 | 3809 | Siskiyou | w foot Mt. Shasta (road crossing of Whitney Creek); , Whitney Creek | Comment | |||
JEPS8725 | Keckiella antirrhinoides | Frank Peirson | 1925-6-16 | Los Angeles | Pasadena | Comment | ||||
LA38974 | Mimulus mohavensis | Frank W. Peirson; | 1922-5-14 | 2982 | San Bernardino | Half way Barstow to Victorville, River Rd | Comment | |||
PASA1097 | Lotus hamatus | Frank W. Peirson | 1927-4-19 | San Diego | Headland south of Torrey Pines | Comment | ||||
PASA1565 | Nicolletia occidentalis | Frank W. Peirson | 1930-4-13 | San Bernardino | 10 miles sout of Garlic Spring, Mohave Desert | Comment | ||||
PASA1603 | Meconella linearis | Frank W. Peirson | 1929-4-20 | Santa Barbara | Near Surf. Near sea level | Comment | ||||
PASA1703 | Solidago occidentalis | Frank W. Peirson | 1921-9-21 | Los Angeles | Los Angeles River near Tropico | Comment Read comments Nov 12 2014 |
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PASA1761 | Sphaeralcea fendleri var. californica | Frank W. Peirson | 1922-5-13 | San Bernardino | Granite Wells, Mohave Desert | Comment | ||||
PASA1772 | Hibiscus denudatus | Frank W. Peirson | 1928-3-24 | San Diego | Sentenac Canyon, San Felipe Creek | Comment | ||||
PASA1784 | Ayenia californica | Frank W. Peirson | 1928-4-22 | San Diego | San Felipe Creek | Comment | ||||
PASA2002 | Amsinckia lycopsoides | Frank W. Peirson | 1923-3-27 | San Diego | Imperial Beach | Comment | ||||
PASA2034 | Lepidium dictyotum | Frank W. Peirson | 1925-3-23 | Kings | 6 miles west of Lemoore | Comment | ||||
PASA2051 | Lyrocarpa coulteri | Frank W. Peirson | 1928-3-24 | San Diego | San Felipe Creek, 2 miles below Sentenac Canyon | Comment | ||||
PASA2185 | Blennosperma californicum | Frank W. Peirson | 1926-4-2 | Lake | West end of Clear Lake | Comment | ||||
PASA2288 | Gnaphalium bicolor | Frank W. Peirson | 1929-4-20 | Santa Barbara | Surf | Comment | ||||
PASA2533 | Delphinium parryi | Frank W. Peirson | 1923-3-27 | San Diego | Imperial Beach | Comment | ||||
PASA2582 | Thysanocarpus laciniatus | Frank W. Peirson | 1923-4-12 | 3446 | Los Angeles | Wilson's Cove, San Clemente Island | Comment | |||
PASA2779 | Lupinus breweri | F. W. Peirson | 1921-7-3 | Y 73 | Mariposa | Little Yosemite | Comment | |||
PASA2801 | Salix sitchensis | F. W. Peirson | 1921-7-8 | Y 101 | Mariposa | Ten Lakes | Comment | |||
PASA2866 | Ribes montigenum | F. W. Peirson | 1921-7-8 | Y 93 | Mariposa | Ten Lakes | Comment | |||
PASA2880 | Sambucus racemosa | F. W. Peirson | 1921-7-8 | Y 97 | Mariposa | Ten Lakes | Comment | |||
PASA2883 | Kalmia polifolia var. microphylla | F. W. Peirson | 1921-7-8 | Y 99 | Mariposa | Ten Lakes | Comment | |||
PASA410 | Viguiera deltoidea var. parishii | Frank W. Peirson | 1925-5-17 | San Diego | Lower part of Vallecito Canyon, Laguna Mts. | Comment | ||||
PASA46 | Galium bolanderi | Frank W. Peirson | 1932-7-7 | Humboldt | Willow Creek | Comment | ||||
PASA581 | Abronia nana | Frank W. Peirson | 1930-7-5 | San Bernardino | North shore of Bear Lake, San Bernardino Mountains | Comment | ||||
PASA686 | Linum micranthum | Frank W. Peirson | 1922-5-19 | Riverside | Two and one-half miles northeast of Murietta on the Menifee Valley Raod | Comment | ||||
POM171914 | Brickellia oblongifolia var. linifolia | F. W. Peirson | 1930-8-12 | s.n. | Mono | Mono Lake | Comment | |||
POM175545 | Viguiera laciniata | F. W. Peirson | 1923-3-26 | 3364 | San Diego | 4 miles south of San Onofre | Comment | |||
POM17758 | Castilleja foliolosa | F. W. Peirson | 1923-3-26 | 2890 | San Diego | 1/2 mile south of Torrey Pines. | Comment | |||
POM203727 | Crepis acuminata | F. W. Peirson | 1934-7-14 | s.n. | Mono | East of Blue Lake; Virginia Lakes Basin | Comment | |||
POM203880 | Polemonium pulcherrimum | F. W. Peirson | 1934-7-11 | 11181 | Mono | Above Moat Lake [Virginia Lakes Basin, Sierra Nevada] | Comment | |||
POM20529 | Phacelia distans | F. W. Peirson | 1923-3-26 | 3384 | San Diego | Agua Hedionda | Comment | |||
POM20532 | Hemizonia increscens | F. W. Peirson | 1923-6-26 | s.n. | San Luis Obispo | Arroyo Grande. | Comment | |||
POM20563 | Plagiobothrys bracteatus | F. W. Peirson | 1923-3-27 | 3385 | San Diego | 6 miles S of National City. | Comment | |||
POM212920 | Salvia mohavensis | F. W. Peirson | 1935-4-18 | 11496 | San Bernardino | Whipple Mountains: In a valley in the north part of the range not far from the road going down into Copper Basin. | Comment | |||
POM47646 | Astragalus lentiginosus var. sierrae | F. W. Peirson | 1924-5-15 | 4558 | San Bernardino | North end of Baldwin Lake, San Bernardino Mts. | Comment | |||
POM48463 | Dudleya edulis | F. W. Peirson | 1924-5-31 | 4674 | Orange | 5 miles southeast of Laguna Beach. | Comment | |||
POM8239 | Hoffmannseggia glauca | F. W. Peirson | 1922-8-15 | s.n. | Los Angeles | Coyote Pass, Los Angeles. | Comment | |||
POM87143 | Holcus lanatus | F. W. Peirson | 1925-8-10 | 6369 | Mendocino | Jug Handle Creek. | Comment | |||
POM89889 | Erythronium californicum | Frank W. Peirson | 1926-4-2 | 6574 | Lake | Grade down to Clear Lake, Hopland Road. | Comment | |||
RSA0017272 | Gilia ochroleuca subsp. exilis | F. W. Peirson | 1919-4-15 | 921 | Riverside | Whitewater Grade above Cabazon, San Gorgonio Pass. | Comment | |||
RSA100194 | Lonicera hispidula var. vacillans | F. W. Peirson | 1918-6-15 | 264 | Los Angeles | Mint Canyon at northwest corner of San Gabriel Mts. | Comment | |||
RSA100202 | Lonicera involucrata var. ledebourii | F. W. Peirson | 1925-8-10 | 6381 | Mendocino | Jug Handle Creek 6 miles north of Mendocino City. | Comment | |||
RSA212880 | Camissonia campestris subsp. campestris | F. W. Peirson | 1935-3-16 | s.n. | Kern | Mojave Desert, 1-2 miles N of the Grapevine Grade. | Comment | |||
RSA414752 | Oxytropis oreophila | F. W. Peirson | 1922-8-28 | s.n. | San Bernardino | Summit of San Gorgonio Peak | Comment | |||
RSA435956 | Lyrocarpa coulteri var. palmeri | F. W. Peirson | 1928-3-24 | 7749 | San Diego | San Felipe Creek, 2 miles below Sentenac Canyon, eastern SD county. | Comment | |||
RSA451826 | Petrophytum caespitosum | F. W. Peirson | 1920-7-1 | 3399 | Tulare | Big Arroyo. | Comment | |||
RSA568517 | Gentiana fremontii | F. W. Peirson | 1920-07 | 3416 | San Bernardino | Upper Santa Ana River | Comment | |||
RSA64583 | Eriogonum pusillum | F. W. Peirson | 1928-4-24 | 7912 | Riverside | Below Cottonwood Spring, northern edge of Colorado Desert. | Comment | |||
RSA64614 | Eriogonum sphaerocephalum var. halimioides | F. W. Peirson | 1926-7-25 | 6859 | Modoc | Cedarville Rd. west slope of Warner Mts. | Comment | |||
RSA64699 | Eriogonum thomasii | F. W. Peirson | 1916-7-9 | s.n. | San Bernardino | Mojave Desert, near Victorville. | Comment | |||
RSA65001 | Nemacaulis denudata var. denudata | F. W. Peirson | 1951-8-18 | 1781 | Los Angeles | Alamitos, Long Beach | 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 | |||
RSA65200 | Chorizanthe brevicornu var. brevicornu | F. W. Peirson | 1920-2-16 | 1775 | Riverside | East of Palm Springs. | Comment | |||
RSA65261 | Mucronea perfoliata | F. W. Peirson | 1917-5-3 | 1773 | San Bernardino | Mojave Desert. | Comment | |||
RSA65347 | Atriplex watsonii | F. W. Peirson | 1923-3-27 | 3413 | San Diego | Imperial Beach. | Comment | |||
RSA65349 | Atriplex elegans var. fasciculata | F. W. Peirson | 1927-4-26 | 7207 | Imperial | 2 miles below foot of Mtn Springs Grade | Comment | |||
RSA65352 | Atriplex californica | F. W. Peirson | 1924-2-10 | 4534 | Orange | Corona Del Mar | Comment | |||
RSA65358 | Atriplex canescens | F. W. Peirson | 1924-8-29 | 4528 | Orange | Corona Del Mar | Comment | |||
RSA65386 | Atriplex rosea | F. W. Peirson | 1920-6-22 | s.n. | Los Angeles | Bassett, near El Monte | Comment | |||
RSA65391 | Atriplex hymenelytra | F. W. Peirson | 1930-3-29 | 8694 | Riverside | Painted Canyon, near Mecca, Colorado Desert. | Comment | |||
RSA65581 | Spergularia platensis | F. W. Peirson | 1866 | Los Angeles | Long Beach | Comment | ||||
RSA65623 | Opuntia ramosissima | F. W. Peirson | 1928-4-24 | 7906 | Riverside | Below Cottonwood Springs, Eagle Mountains. Northern Colorado Desert. | Comment | |||
RSA65626 | Elatine brachysperma | F. W. Peirson, W. L. Jepson | 1927-4-19 | 7242 | San Diego | Headland south of Torrey Pines, | Comment | |||
RSA65716 | Loeflingia squarrosa | F. W. Peirson | 1922-4-9 | 4156 | Riverside | Palm Canyon Region, near Palm Springs. | Comment | |||
RSA65723 | Claytonia rubra subsp. rubra | F. W. Peirson | 1951-1 | s.n. | San Bernardino | Bear Valley. | Comment | |||
RSA65743 | Sesuvium verrucosum | F. W. Peirson | 1918-04 | 1856 | Imperial | Salton Sea. | Comment Read comments Nov 18 2014 |
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RSA65787 | Cleomella obtusifolia | F. W. Peirson | 1922-5-14 | 3004 | San Bernardino | 8 miles north of Barstow. | Comment | |||
RSA65789 | Cleomella obtusifolia | F. W. Peirson | 1924-5-14 | 4576 | San Bernardino | 21 miles east of Victorville. | Comment | |||
RSA65854 | Polygonum paronychia | F. W. Peirson | 1912-6-27 | 1794 | Monterey | Monterey. | Comment | |||
RSA65898 | Chorizanthe uniaristata | F. W. Peirson | 1933-7-9 | 10684 | Kern | 1/2 north of the Walker Basin on road from Caliente to Bodfish. | Comment | |||
RSA66020 | Eriogonum nudum var. auriculatum | F. W. Peirson | 1923-7-10 | 4206 | Humboldt | Garberville. | Comment | |||
RSA66067 | Rorippa curvisiliqua | F. W. Peirson | 1908-7-12 | 1908 | Kern | Lower Kern River, Sierrra Nevada. | Comment | |||
RSA66087 | Tropidocarpum gracile | F. W. Peirson | 1919-4-14 | 2811 | Riverside | Murray Canyon, near Palm Springs. | Comment | |||
RSA66108 | Cardamine californica var. integrifolia | F. W. Peirson | 1934-3-26 | 11058 | Santa Barbara | Santa Cruz Island. Frye's Harbor. | Comment | |||
RSA66173 | Draba cuneifolia var. integrifolia | F. W. Peirson | 1928-3-24 | 7751 | San Diego | San Felipe Creek, 2 miles below Sentenac Canyon, eastern SD county. | Comment | |||
RSA66224 | Arabis lemmonii var. depauperata | F. W. Peirson | 1921-8-18 | 2534 | Inyo | Taboose Pass, Sierra Nevada. | Comment | |||
RSA66295 | Canbya candida | F. W. Peirson | 1926-4-26 | 6660 | Los Angeles | about 6 miles west of Rock Creek, | Comment | |||
RSA66299 | Stylomecon heterophylla | F. W. Peirson | 1918-5-5 | 1889 | Los Angeles | along road to [Brents] on the Malibu, Santa Monica Mts. | Comment | |||
RSA66310 | Argemone munita subsp. munita | F. W. Peirson | 1935-4-18 | 11478 | San Bernardino | Copper basin creek, Whipple Mtns., eastern San Bernardino county | Comment | |||
RSA66320 | Polygonum lapathifolium | F. W. Peirson | 1920-6-22 | 1791 | San Bernardino | 2 miles south of Chino | Comment | |||
RSA66326 | Polygonum phytolaccifolium | F. W. Peirson | 1910-8-2 | 1787 | Tuolumne | Tamarack Flat, Yosemite National Park. | Comment Read comments Jul 4 2012 |
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RSA66492 | Eschscholzia glyptosperma | F. W. Peirson | 1927-5-7 | 7281 | San Bernardino | 1 mile east of Kramer. | Comment | |||
RSA66505 | Arabis glabra | F. W. Peirson | 1903-3-10 | 658 | Los Angeles | Laurel Canyon, Santa Monica Mts. | Comment | |||
RSA66544 | Dithyrea californica | F. W. Peirson | 1920-2-14 | 4178 | Riverside | Whitewater Station, Colorado Desert | Comment | |||
RSA66701 | Arabis perennans | F. W. Peirson | 1919-4-13 | 660 | Riverside | Along the Tahquitz creek, East of Palm Springs, Riverside. | Comment | |||
RSA66704 | Streptanthus barbiger | F. W. Peirson | 1923-7-7 | 3732 | Mendocino | 3 miles above Boonville | Comment Read comments Aug 14 2013 |
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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 | |||
RSA68621 | Calochortus weedii var. intermedius | Frank W. Peirson | 1927-6-20 | 7350 | Orange | Site for botanical garden (Rancho Santa Ana) | Comment | |||
RSA68707 | Lilium pardalinum subsp. vollmeri | Frank W. Peirson | 1923-7-12 | 3688 | Del Norte | 15 miles south of Crescent City | Comment | |||
RSA68711 | Lilium rubescens | Frank W. Peirson | 3687 | Los Angeles | Road near Coldwater Canyon, Santa Monica Mts. | Comment Read comments May 5 2010 |
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RSA69234 | Gaultheria shallon | F. W. Peirson | 1912-6-27 | 845 | Monterey | Above 17 Mile Drive, Monterey Peninsula. | Comment | |||
RSA69411 | Delphinium parryi | F. W. Peirson | 1925-4-11 | 5745 | Orange | 5 miles south of Laguna Beach. | Comment | |||
RSA69508 | Veratrum fimbriatum | Frank W. Peirson | 1925-8-10 | 6402 | Mendocino | Jug Handle Creek, 6 miles north of Mendocino City | Comment | |||
RSA69551 | Mentzelia torreyi | F. W. Peirson | 1914-8-25 | 752 | Mono | Crooked Creek, Northern part of Volcanic Tableland | Comment Read comments Jan 7 2016 |
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RSA69554 | Mentzelia tridentata | F. W. Peirson | 1922-5-12 | 4111 | San Bernardino | 10 miles N of Barstow on Granite Wells Road | Comment | |||
RSA69592 | Triglochin maritima | F. W. Peirson | 1923-3-27 | 3391 | San Diego | Imperial Beach. | Comment | |||
RSA69648 | Goodyera oblongifolia | Frank W. Peirson | 1925-8-10 | 6397 | Mendocino | Jug Handle Creek, 6 miles north of Mendocino City. | Comment | |||
RSA69806 | Centaurium venustum | F. W. Peirson | 1926-4-30 | 6693 | San Diego | About 1 mile from Pala on the road to Henshaw Dam | Comment | |||
RSA69896 | Fraxinus velutina var. coriacea | F. W. Peirson | 1922-5-14 | 2994 | San Bernardino | Bottom land of Mojave River, between Oro Grande and Bridge. | Comment | |||
RSA69916 | Asclepias subulata | F. W. Peirson | 1935-4-17 | 11476 | Riverside | 30 miles north of Blythe. | Comment | |||
RSA69943 | Nitrophila occidentalis | F. W. Peirson | 1916-7-8 | 855 | San Bernardino | Near western end of Baldwin Lake. San Bernardino Mts | Comment | |||
RSA69946 | Grayia spinosa | F. W. Peirson | 1923-7-19 | 3716 | Siskiyou | About 2 miles S of Oregon line, Lowest Klamath Lake. | Comment | |||
RSA69965 | Abronia villosa | F. W. Peirson | 1930-4-15 | 8724 | Inyo | Near Amargosa River 9 miles south of Shoshone. | Comment | |||
RSA69967 | Abronia villosa var. aurita | F. W. Peirson | 1924-8-29 | 5060 | Orange | Santa Ana | Comment | |||
RSA69969 | Abronia villosa var. villosa | F. W. Peirson | 1927-4-15 | 7205 | Imperial | near Colorado River, Ft. Yuma | Comment | |||
RSA70003 | Tidestromia oblongifolia | F. W. Peirson | 1937-11-27 | 12319 | Riverside | La Quinta, Coachella Valley. At sea-level. | 0 | Comment | ||
RSA70137 | Triteleia clementina | F. W. Peirson | 1923-4-9 | 3472 | Los Angeles | San Clemente Island: canyon running to Middle Ranch | Comment | |||
RSA70159 | Dichelostemma capitatum subsp. capitatum | F. W. Peirson | 1924-5-31 | 4672 | Orange | 5 miles southeast of Laguna Beach. | Comment | |||
RSA70219 | Allium praecox | F. W. Peirson | 1922-4-14 | 2915 | San Diego | Grossmont, 10 miles east of San Diego. | Comment | |||
RSA70258 | Vaccinium uliginosum subsp. occidentale | F. W. Peirson | 1933-8-4 | s.n. | Inyo | South of Long Lake, Rock Creek Lake Basin | Comment | |||
RSA70263 | Juncus phaeocephalus var. phaeocephalus | F. W. Peirson | 1923-7-11 | 3669 | Humboldt | 7 miles N of Arcata, Humboldt County | Comment | |||
RSA70384 | Euphorbia peplus | F. W. Peirson | 1925-9-20 | 6433 | Alameda | Hills back of Oakland. | Comment | |||
RSA70390 | Chamaesyce polycarpa var. polycarpa | F. W. Peirson | 1924-5-31 | 4663 | Orange | 5 miles southeast of Laguna Beach. | Comment | |||
RSA70396 | Chamaesyce serpillifolia | F. W. Peirson | 2039 | Los Angeles | Laurel Canyon, Santa Monica Mts. | Comment | ||||
RSA70428 | Ditaxis lanceolata | F. W. Peirson | 1928-4-22 | 7877 | San Diego | steep rocky canyon immediately west of the Narrows, San Felipe Creek. | Comment | |||
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 | |||
RSA70558 | Croton californicus | F. W. Peirson | 1920-12-29 | 4439 | Riverside | 1.5 miles east of Whitewater Station, head of Coachella Valley. | Comment | |||
RSA70607 | Iris hartwegii subsp. australis | Frank W. Peirson | 1916-7-6 | 1692 | San Bernardino | Bear Lake region [Big Bear Lake], San Bernardino Mountains. | Comment | |||
RSA70609 | Agave deserti subsp. deserti | Frank W. Peirson | 1928-3-24 | 7753 | San Diego | San Felipe Canyon [Banner Canyon], shortly above the Narrows | Comment | |||
RSA70853 | Arctostaphylos glandulosa subsp. adamsii | F. W. Peirson | 1925-5-16 | 5936 | San Diego | Monument Peak, Laguna Mts. | Comment | |||
RSA70862 | Arctostaphylos glauca | F. W. Peirson | 1927-4-18 | 7233 | San Diego | About 1/2 way from Newtown to Buckman Sps. | Comment | |||
RSA71000 | Cuscuta salina | F. W. Peirson | 1920-7-31 | 899 | San Luis Obispo | Morro Bay | Comment | |||
RSA71112 | Calystegia soldanella | F. W. Peirson | 1923-7-11 | 3805 | Humboldt | 18 miles north of Eureka | Comment | |||
RSA71850 | Gilia cana subsp. speciformis | F. W. Peirson | 1922-5-12 | 4138 | San Bernardino | Mojave Desert. 10 miles north of Barstow. | Comment | |||
RSA71862 | Allophyllum glutinosum | F. W. Peirson | 1930-5-10 | 8777 | San Diego | 4 miles south of Oak Grove, eastern San Diego Co. | 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 | |||
RSA71874 | Gilia aliquanta subsp. breviloba | F. W. Peirson | 1935-3-16 | 11409 | Kern | South slope of Tehachapi Range and 4 miles north of Mojave | Comment | |||
RSA72186 | Epilobium glaberrimum subsp. glaberrimum | F. W. Peirson | 1908-7-22 | s.n. | Tulare | Near Hockett Meadows, Sequoia National Park | Comment | |||
RSA72237 | Camissonia claviformis subsp. aurantiaca | F. W. Peirson | 1920-2-16 | 2707 | Riverside | Palm Canyon stream below the canyon, Palm Springs. region | Comment | |||
RSA72239 | Camissonia claviformis subsp. yumae | F. W. Peirson | 1932-3-21 | 9768 | Imperial | 6 miles east of Holtville. | 0 | Comment | ||
RSA72255 | Camissonia claviformis subsp. claviformis | F. W. Peirson | 1930-5-12 | 8796 | Kern | 8 miles east of Mojave | Comment | |||
RSA72257 | Camissonia cheiranthifolia subsp. suffruticosa | F. W. Peirson | 1923-3-26 | 3408 | San Diego | Agua Hedionda | Comment | |||
RSA72259 | Camissonia cheiranthifolia subsp. cheiranthifolia | F. W. Peirson | 1912-6-27 | 788 | Monterey | Monterey coast | Comment | |||
RSA73004 | Leptosiphon aureus | F. W. Peirson | 1927-5-29 | 7333 | Kern | 10 miles north of Red Rock canyon, Indian Wells Valley, Western Mojave Desert. | Comment | |||
RSA73290 | Linanthus californicus | F. W. Peirson | 1918-5-4 | 158 | Los Angeles | Summit of Santa Monica Range, above Brents on the Malibu | Comment | |||
RSA73296 | Linanthus pungens subsp. hookeri | F. W. Peirson | 1923-7-19 | 3809 | Siskiyou | Road crossing over Whitney Creek, foot of Mt. Shasta | Comment | |||
RSA73315 | Clarkia cylindrica | F. W. Peirson | 1933-7-9 | 10678 | Kern | About 6 miles from Caliente on road to Bodfish. | Comment | |||
RSA73327 | Clarkia amoena subsp. whitneyi | F. W. Peirson | 1923-7-8 | 3792 | Mendocino | Ten-mile River | Comment | |||
RSA73669 | Navarretia leptalea | F. W. Peirson | 1913-8-22 | 939 | Inyo | Taboose Pass, Sierra Nevada. | Comment | |||
RSA73689 | Leptosiphon breviculus | F. W. Peirson | 1916-7-6 | 938 | San Bernardino | Bear Lake. San Bernardino Mts. | Comment | |||
RSA74175 | Phacelia ambigua | F. W. Peirson | 1922-4-9 | 4126 | Riverside | Palm Canyon Region, near Palm Springs. | Comment | |||
RSA74500 | Phacelia minor | F. W. Peirson | 1918-1 | 162 | Los Angeles | burned area east of Rubio Canyon | Comment | |||
RSA74710 | Nama hispida var. revoluta | F. W. Peirson | 1941-4-8 | s.n. | Imperial | 10 miles NW of Ogilby. | Comment | |||
RSA74713 | Nama demissa var. deserti | F. W. Peirson | 1920-2-15 | 2315 | Riverside | Palm Springs, Tahquitz Camp. | Comment | |||
RSA74716 | Nama demissa var. covillei | F. W. Peirson | 1928-4-1 | 7766 | San Bernardino | 33 miles north of Baker. | Comment | |||
RSA74726 | Phacelia curvipes | F. W. Peirson | 1916-7-6 | 986 | San Bernardino | Bear Lake. San Bernardino Mts. | Comment | |||
RSA75139 | Nemacladus rubescens | F. W. Peirson | 1926-1-31 | 6486 | Riverside | About 2 miles from Dos Palmas on road to Mecca, Colorado Desert. | Comment | |||
RSA75148 | Nemacladus glanduliferus | F. W. Peirson | 1927-4-16 | 7219 | Imperial | Foot of Mountain Springs Grade, Western Imperial County | Comment | |||
RSA75372 | Camissonia boothii subsp. boothii | F. W. Peirson | 1916-7-9 | 792 | San Bernardino | Mojave Desert, near Victorville. | Comment | |||
RSA75435 | Camissonia pallida subsp. pallida | F. W. Peirson | 1919-4-13 | 786 | Riverside | Tahquitz Canyon stream, near Palm Springs. | Comment | |||
RSA75437 | Camissonia hirtella | F. W. Peirson | 1918-5-4 | 2309 | Los Angeles | Summit of Santa Monica Range, above Brents on the Malibu | Comment | |||
RSA75519 | Phacelia adenophora | F. W. Peirson | 1926-6-24 | 6851 | Lassen | On Madeline Plain. | Comment | |||
RSA75527 | Phacelia fremontii | F. W. Peirson | 1930-4-16 | 8745 | San Bernardino | About 18 miles north of Goffs on the Cima Road. | Comment | |||
RSA75799 | Pholistoma auritum | F. W. Peirson | 1923-3-25 | 4481 | Orange | Aliso Creek, near Laguna Beach. | 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 | |||
RSA77147 | Ceanothus crassifolius | F. W. Peirson | 1903-2-14 | 5378 | Los Angeles | Arroyo Seco near Pasadena | Comment | |||
RSA77160 | Ceanothus leucodermis | F. W. Peirson | 1926-5-1 | 6712 | San Diego | Along trail from Oak Grove to Palomar Mt. | Comment | |||
RSA77166 | Ceanothus leucodermis | F. W. Peirson | 1925-5-17 | 5950 | San Diego | Lower part of Vallecito Canyon. | Comment | |||
RSA77180 | Malvella leprosa | F. W. Peirson | 1924-8-29 | 5068 | Orange | 4 miles S of Santa Ana | Comment | |||
RSA77191 | Horsfordia newberryi | F. W. Peirson | 1928-4-22 | 7874 | San Diego | San Felipe Creek about 4 miles below Sentenac Canyon. | Comment | |||
RSA77218 | Sphaeralcea ambigua subsp. monticola | F. W. Peirson | 1928-4-2 | 7795 | Inyo | 2 miles E of Bradbury Well, Death Valley Region | Comment | |||
RSA77228 | Ayenia compacta | F. W. Peirson | 1919-4-14 | 2069 | Riverside | Murray Canyon, near Palm Springs. | Comment | |||
RSA77235 | Eriodictyon californicum | F. W. Peirson | 1912-1 | 988 | Santa Cruz | Santa Cruz Mtns. | Comment | |||
RSA77239 | Eriodictyon crassifolium var. nigrescens | F. W. Peirson | 1918-5-19 | 171 | Los Angeles | north of Dawn Station on trail to Dawn Mine, Millards Canyon | Comment | |||
RSA77415 | Brandegea bigelovii | F. W. Peirson | 1927-4-12 | 7166 | Riverside | In Painted Canyon near Mecca. | Comment | |||
RSA77417 | Citrullus lanatus | F. W. Peirson | 1923-9-10 | 4047 | San Diego | 3 mi. from coast at Torrey Pines | Comment | |||
RSA77425 | Petalonyx linearis | F. W. Peirson | 1935-4-16 | 11460 | Imperial | North of bridge of canal at Laguna Dam [AZ], north of Yuma. | Comment Read comments Feb 25 2008 |
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RSA77427 | Petalonyx nitidus | F. W. Peirson | 1927-5-29 | 7335 | Kern | Red Rock Canyon, Southwestern Kern County | Comment | |||
RSA77810 | Pholisma arenarium | F. W. Peirson | 1939-11-25 | 12902 | San Diego | San Felipe canyon just above the Narrows, eastern San Diego County. | Comment | |||
RSA77816 | Pectocarya peninsularis | F. W. Peirson | 1920-2-16 | 1013 | Riverside | Palm Canyon stream below the canyon, Palm Springs. region | Comment | |||
RSA77820 | Pectocarya platycarpa | F. W. Peirson | 1928-4-24 | 7908 | Riverside | Cottonwood Spring, west end of Eagle Mtns. | Comment Read comments Oct 9 2010 |
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RSA77846 | Callitriche marginata | F. W. Peirson | 1922-5-12 | 3067 | Riverside | South of Lake Elsinore. | Comment | |||
RSA77867 | Pectocarya linearis subsp. ferocula | F. W. Peirson | 1918-5-5 | 1017 | Los Angeles | Brents on the Malibu, Santa Monica Mountains. | Comment | |||
RSA77887 | Tiquilia palmeri | F. W. Peirson | 1926-2-22 | 5421 | Riverside | Thousand-Palms Canyon; Coachella Valley | Comment | |||
RSA77889 | Tiquilia palmeri | F. W. Peirson | 1927-4-12 | 7176 | Riverside | Painted Canyon, near Mecca | Comment | |||
RSA78646 | Castilleja cinerea | F. W. Peirson | 1943-5-30 | 13548 | San Bernardino | Baldwin Lake. | Comment | |||
RSA79574 | Cryptantha incana | F. W. Peirson | 1908-7-23 | 1036 | Tulare | North Fork of Middle Fork of Tule River. Sequoia National Park. | Comment | |||
RSA79588 | Cryptantha angustifolia | F. W. Peirson | 1926-2-22 | 6508 | Riverside | Thousand-Palms Canyon; Coachella Valley | Comment | |||
RSA79777 | Penstemon rydbergii var. oreocharis | F. W. Peirson | 1926-6-21 | 6772 | Butte | Butte Meadow, Humboldt Road. | Comment | |||
RSA79779 | Penstemon centranthifolius | F. W. Peirson | 1905-1 | 200 | Los Angeles | Mt. Lowe, San Gabriel Mountains. | Comment | |||
RSA79838 | Penstemon heterophyllus subsp. heterophyllus | F. W. Peirson | 202 | Los Angeles | Devils Gate, Arroyo Seco, west of Pasadena. | Comment | ||||
RSA79863 | Keckiella rothrockii | F. W. Peirson | 1908-7-19 | 1120 | Tulare | Upper Kern Canyon, Sierra Nevada. | Comment | |||
RSA79880 | Datura wrightii | F. W. Peirson | 1924-8-29 | 5095 | Orange | Road from Artesia to Hungtington Beach, along ditch | Comment | |||
RSA80043 | Castilleja praeterita | F. W. Peirson | 1911-8-8 | s.n. | Tulare | Cottonwood Pass, Sierra Nevada. | Comment | |||
RSA80069 | Veronica arvensis | F. W. Peirson | 1919-4-25 | 1096 | Los Angeles | Lawn at 1077 New York Drive, Altadena. | Comment | |||
RSA80087 | Mimulus tricolor | F. W. Peirson | 1925-3-21 | 5601 | Tulare | About 3 miles south of Lindsay. | Comment | |||
RSA80207 | Plagiobothrys arizonicus | F. W. Peirson | 1930-4-16 | 8727 | San Bernardino | 8 miles south of Cima, eastern San Bernardino | Comment | |||
RSA80221 | Penstemon clevelandii | F. W. Peirson | 1928-3-24 | 7732 | San Diego | San Felipe Creek, Sentenac Canyon. | Comment | |||
RSA80313 | Lycium andersonii | F. W. Peirson | 1935-4-18 | 11492 | San Bernardino | Copper Basin Creek, Whipple Mountains | Comment | |||
RSA80343 | Orthocarpus densiflorus var. gracilis | F. W. Peirson | 1164 | Los Angeles | Garvanza. | Comment | ||||
RSA80389 | Eryngium armatum | F. W. Peirson | 1925-8-10 | 6361 | Mendocino | Jug Handle Creek, 6 miles north of Mendocino City | Comment | |||
RSA80431 | Antirrhinum kelloggii | F. W. Peirson | 189 | Los Angeles | Laurel Canyon, Santa Monica Mts. | Comment | ||||
RSA80683 | Oligomeris linifolia | F. W. Peirson | 1925-4-11 | 5744 | Orange | 5 miles southeast of Laguna Beach. | 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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RSA80715 | Grindelia camporum var. bracteosa | F. W. Peirson | 1218 | Los Angeles | Road near Coldwater Canyon, Santa Monica Mts. | Comment | ||||
RSA80727 | Nicotiana obtusifolia | F. W. Peirson | 1924-5-14 | 4579 | San Bernardino | 12 miles east of Victorville. | Comment | |||
RSA80738 | Cryptantha maritima | F. W. Peirson | 1927-4-12 | 7172 | Riverside | Painted Canyon, near Mecca | Comment | |||
RSA80749 | Cryptantha racemosa | F. W. Peirson | 1927-4-12 | 7170 | Riverside | Painted Canyon, near Mecca | Comment | |||
RSA80760 | Cryptantha nevadensis | F. W. Peirson | 1922-4-13 | 2857 | San Diego | Mountain Springs, eastern San Diego County. | Comment | |||
RSA81010 | Fouquieria splendens | F. W. Peirson | 1921-3-23 | 2391 | Riverside | Deep canyon wash, south of Coachella Valley | Comment | |||
RSA81470 | Castilleja applegatei subsp. martinii | F. W. Peirson | 1926-5-1 | 6705 | San Diego | Along trail from Oak Grove to Palomar Mt. | Comment | |||
RSA82062 | Cordylanthus maritimus subsp. maritimus | F. W. Peirson | 1924-8-29 | 5098 | Los Angeles | 2 miles south of Artesia | Comment | |||
RSA82105 | Mimulus aurantiacus var. parviflorus | F. W. Peirson | 1934-3-25 | 11047 | Santa Barbara | Santa Cruz Island. Frye's Harbor. | Comment | |||
RSA82111 | Utricularia vulgaris subsp. macrorhiza | F. W. Peirson | 1928-9-5 | 5113 | San Bernardino | Victorville | Comment | |||
RSA82231 | Castilleja affinis | F. W. Peirson | 1920-7-29 | 1149 | San Luis Obispo | 1 mile south of Pismo Beach. | Comment | |||
RSA82254 | Castilleja angustifolia | F. W. Peirson | 1922-5-13 | 4152 | San Bernardino | Granite Wells, Mojave Desert. | Comment | |||
RSA82350 | Scutellaria nana | F. W. Peirson | 1923-7-19 | 3826 | Siskiyou | 20 miles north of Bray. | Comment | |||
RSA83970 | Saxifraga californica | F. W. Peirson | 1926-4-2 | 6569 | Lake | Hopland grade. | Comment | |||
RSA83973 | Saxifraga californica | F. W. Peirson | 1925-4-11 | 5730 | Orange | Slope above mill, in Silverado Canyon, Santa Ana Mountains. | Comment | |||
RSA83992 | Saxifraga californica | F. W. Peirson | 1934-3-29 | 11095 | Santa Barbara | Santa Cruz Island. Fry s Creek, at Frys Harbor . | Comment | |||
RSA84471 | Clematis pauciflora | F. W. Peirson | 1925-5-17 | s.n. | San Diego | Lower Vallecito Canyon, east base of Laguna Mountains. | Comment | |||
RSA84516 | Ribes aureum var. gracillimum | F. W. Peirson | 1921-3-6 | 687 | Los Angeles | Foothill Blvd. 1 mile east of Monrovia | Comment | |||
RSA84839 | Ribes nevadense | F. W. Peirson | 1926-5-1 | 6714 | San Diego | Sour Dough Spring, east trail from Palomar Mt. to Oak Grove. | Comment | |||
RSA84970 | Ribes speciosum | F. W. Peirson | 1927-3-19 | 7112 | Los Angeles | Seminole Hot Springs. Santa Monica Mts. | Comment | |||
RSA84976 | Potamogeton gramineus | F. W. Peirson | 1914-8-9 | 1538 | Fresno | Florence Lake, Sierra Nevada. | Comment | |||
RSA85023 | Polystichum munitum | F. W. Peirson | 1934-3-28 | 11083 | Santa Barbara | in Diablo canyon, Frye's Harbor, Santa Cruz Island. | Comment | |||
RSA85173 | Ephedra funerea | F. W. Peirson | 1928-4-2 | 7790 | Inyo | About 1 mile south of Bradbury Well, Mojave Desert (Death Valley region). | Comment | |||
RSA85176 | Ephedra trifurca | F. W. Peirson | 1922-3-21 | 9774 | Imperial | Near summit of Sand Hills, east of Holtville. | Comment | |||
RSA85192 | Sparganium angustifolium | F. W. Peirson | 1914-8-9 | 1536 | Fresno | Florence Lake, Sierra Nevada. | Comment | |||
RSA85205 | Horkelia sericata | F. W. Peirson | 1923-7-12 | 3749 | Del Norte | 10 miles northeast of Gasquet | Comment | |||
RSA85209 | Horkelia wilderae | F. W. Peirson | 1922-6-25 | 4277 | San Bernardino | Barton Flats. | Comment | |||
RSA85310 | Paeonia californica | Mabel Peirson | 1925-2-14 | 5434 | Los Angeles | Arroyo Seco at the Devil's Gate, Pasadena | Comment | |||
RSA85524 | Calycanthus occidentalis | F. W. Peirson | 1932-7-6 | 10250 | Mendocino | Dimmick Memorial Park; Navarro River. | Comment | |||
RSA85691 | Potentilla gracilis var. flabelliformis | F. W. Peirson | 1926-6-25 | 6883 | Modoc | 1 mile east of summit of Cedarville Road, Warner Mountains | Comment | |||
RSA85936 | Selaginella bigelovii | Mabel B. Peirson | 1927-4-14 | 7143 | Santa Barbara | Santa Cruz Island, Prisoners Cove. | Comment Read comments Dec 30 2014 |
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RSA85950 | Pentagramma triangularis subsp. viscosa | F. W. Peirson | 1922-4-14 | 2888 | San Diego | Torrey Pines Park, near La Jolla. | Comment | |||
RSA86293 | Potentilla wheeleri | F. W. Peirson | 1908-7-13 | 1980 | Tulare | Volcano Creek. | Comment | |||
RSA86358 | Pinus muricata | F. W. Peirson | 1925-8-10 | 6408 | Mendocino | On coast south of Mendocino City, Northern California. | Comment | |||
RSA86620 | Purshia tridentata var. tridentata | F. W. Peirson | 1925-7-5 | 6272 | El Dorado | Mt. Tallac | Comment | |||
RSA86646 | Chamaebatia foliolosa | F. W. Peirson | 1908-7-11 | 1956 | Kern | Little Kern River, Southern Sierra Nevada. | Comment | |||
RSA86667 | Ammophila arenaria | F. W. Peirson | 1941-7-29 | 13112 | Humboldt | Little River Beach State Park. | Comment | |||
RSA86685 | Leymus triticoides | F. W. Peirson | 1930-7-1 | 8954 | San Bernardino | Southwest shore of Baldwin Lake | Comment | |||
RSA86687 | Leymus triticoides | F. W. Peirson | 1938-7-8 | 12415 | Inyo | Near bank of Lone Pine Creek, west of Alabama Hills. | Comment | |||
RSA86710 | Lolium temulentum | F. W. Peirson | 1923-6-6 | 3648 | Mendocino | Indian Creek, southern Mendocino County | Comment | |||
RSA86787 | Lolium perenne subsp. multiflorum | F. W. Peirson | 1932-7-4 | s.n. | San Luis Obispo | Oceano. | Comment | |||
RSA86851 | Prunus emarginata | F. W. Peirson | 1908-7-10 | 698 | Tulare | Tule River, Sierra Nevada. | Comment | |||
RSA86937 | Corylus cornuta var. californica | F. W. Peirson | 1908-7-24 | 1707 | Tulare | North Fork of Tule River, Sierra Nevada. | Comment | |||
RSA86939 | Lithocarpus densiflorus var. densiflorus | F. W. Peirson | 1912-6-28 | 1711 | Santa Cruz | Santa Cruz. | Comment | |||
RSA87033 | Lupinus shockleyi | F. W. Peirson | 1922-5-14 | 7716 | San Bernardino | 1 mile north of Barstow, San Bernardino County | Comment | |||
RSA87068 | Koeleria macrantha | F. W. Peirson | 1918-4-28 | 1596 | Los Angeles | Road east and south of El Monte. | Comment | |||
RSA87144 | Quercus wislizeni var. frutescens | F. W. Peirson | 1924-6-26 | 4867 | San Diego | At foot of steep portion of trail from Vallecito Canyon to Laguna Mts. | Comment | |||
RSA87353 | Muhlenbergia filiformis | F. W. Peirson | 1922-6-23 | 4324 | San Bernardino | Sugarloaf Mountains | Comment | |||
RSA87356 | Muhlenbergia microsperma | F. W. Peirson | 1921-3-22 | 4323 | Riverside | Andreas Canyon, Palm Springs region | Comment | |||
RSA87441 | Melica imperfecta | F. W. Peirson | 1923-4-12 | 3420 | Los Angeles | Wilson's Cove, San Clemente Island | Comment | |||
RSA90217 | Astragalus bernardinus | F. W. Peirson | 1930-5-31 | 8924 | San Bernardino | Summit of grade above Warrens Well. Little San Bern Mtns. | Comment | |||
RSA90306 | Lotus rigidus | F. W. Peirson | 1919-4-14 | 712 | Riverside | Murray Canyon, near Palm Springs. | Comment | |||
RSA90697 | Gutierrezia californica | F. W. Peirson | 1920-12-28 | 5298 | Riverside | Murray Canyon near Palm Springs | Comment | |||
RSA91096 | Trifolium variegatum | F. W. Peirson | 1919-4-14 | 561 | Riverside | Murray Canyon, near Palm Springs. | Comment | |||
RSA91724 | Gastridium phleoides | F. W. Peirson | 1926-4-30 | 6700 | San Diego | About 2 miles east from Pala on the road to Henshaw Dam | Comment | |||
RSA93726 | Pleurocoronis pluriseta | F. W. Peirson | 1919-4-13 | 1213 | Riverside | Tahquitz Canyon, near Palm Springs. | Comment Read comments Sep 18 2011 |
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SBBG29162 | Oxytheca dendroidea subsp. dendroidea | F. W. Peirson | 1925-6-25 | 6038 | Mono | grade up volcanic tableland [in 1925, "grade" = Rock Creek Road) | Comment Read comments Feb 8 2013 |
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SBBG54411 | Phalaris californica | F. W. Peirson | 1932-7-6 | 10257 | Mendocino | Hale's Grove Auto Camp, rd from Westport | Comment | |||
SBBG97362 | Acmispon strigosus | F. W. Peirson | 1934-3-28 | Santa Barbara | Diablo Cyn, ca. 1 mi W of Frys Harbor | Comment | ||||
SD87524 | Langloisia setosissima subsp. punctata | Frank W. Peirson | 1927-5-7 | 7287 | San Bernardino | 4.0 miles west of Barstow. | Comment | |||
SD87545 | Baccharis salicina | F. W. Peirson | 1924-10-19 | 5228 | Los Angeles | Clearwater | Comment | |||
SD87552 | Eriastrum eremicum subsp. eremicum | Frank W. Peirson | 1926-4-27 | 6684 | San Bernardino | 18 miles east of Victorville, Box S. Ranch vicinity. | Comment | |||
SD87597 | Symphyotrichum lanceolatum subsp. hesperium | F. W. Peirson | 1924-10-19 | 5241 | Orange | Wintersberg | Comment | |||
SD87609 | Silene menziesii subsp. dorrii | Frank W. Peirson | 1925-6-25 | 6058 | Mono | Rock Creek, Volcanic Tablelands. | Comment | |||
SD87639 | Helianthus nuttallii subsp. parishii | F. W. Peirson | 1924-10-19 | 5247 | Orange | Wintersberg | Comment | |||
SD87737 | Brickellia oblongifolia var. linifolia | Frank W. Peirson | 1925-6-30 | 6166 | Mono | West Fork Walker River below Cris Flats. | Comment | |||
SD87742 | Chaenactis stevioides | Frank W. Peirson | 1927-4-16 | 7208 | Imperial | 2.0 miles below foot of Mountain Springs Grade. | Comment | |||
SD87753 | Myriopteris covillei | Frank W. Peirson | 1921-3-22 | 2331 | Riverside | Murray CaA'on | Comment | |||
SD87786 | Atriplex hymenelytra | F. W. Peirson | 1924-12-30 | 5415 | Riverside | 1000 Palms Canon | Comment | |||
SD87866 | Phacelia bicolor | Frank W. Peirson | 1930-5-31 | 8919 | San Bernardino | Road from Lovejoy Buttes to Adelanto | Comment | |||
SD87868 | Porophyllum gracile | F. W. Peirson | 1922-4-13 | 2882 | Imperial | Foot of Mountain Springs Grade | Comment | |||
UC1076515 | Erigeron linearis | Frank W. Peirson | 1925-7-6 | 6290 | El Dorado | Angora Lookout Fallen Leaf Lake, Angora Lookout | Comment | |||
UC1366095 | Ribes divaricatum var. pubiflorum | Frank W. Peirson | 1938-4-13 | 12384 | Santa Barbara | 2 mi s Surf (1/2 mi up stream); Bear Creek | Comment | |||
UC501445 | Tetradymia canescens | Frank W. Peirson | 1932-7-20 | 10354 | Lassen | 20 mi se Susanville | Comment | |||
UC501447 | Galinsoga parviflora var. parviflora | Frank W. Peirson | 1931-4-11 | 9375 | Los Angeles | 1077 New York Avenue Altadena | Comment | |||
UC501449 | Monoptilon bellioides | Frank W. Peirson | 1927-4-24 | 7899 | Riverside | Cottonwood Spring | Comment Read comments Oct 9 2010 |
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UC501486 | Polygala californica | Frank W. Peirson | 1923-7-7 | 3758 | Mendocino | 5 mi below Boonville | Comment | |||
UC511758 | Phacelia fremontii | Frank W. Peirson | 1925-3-18 | 5474 | Kern | s slope Tehachapi Pass | Comment | |||
UC635537 | Clematis pauciflora | Frank W. Peirson | 1927-4-17 | 7225 | San Diego | summit Mountain Springs Grade (on escarpment s. of rd.) | Comment | |||
UC672541 | Mimulus palmeri | Frank W. Peirson | 1925-5-15 | 5919 | San Diego | Laguna Lakes Camp Laguna Mts. | Comment | |||
UC908445 | Linanthus parryae | Frank W. Peirson | 1928-4-4 | 7827 | Kern | 11 mi N of Johannesburg | Comment | |||
UC908542 | Eriastrum pluriflorum | Frank W. Peirson | 1927-5-7 | 7268 | Los Angeles | 12 mi s Muroc | Comment | |||
UC908887 | Gilia ochroleuca subsp. vivida | Frank W. Peirson | 1918-6-30 | 155 | Los Angeles | summit Mount Wilson San Gabriel Mountains, summit Mount Wilson | Comment | |||
UC909102 | Loeseliastrum schottii | Frank W. Peirson | 1927-5-7 | 7275 | San Bernardino | 1 mi. e. Kramer | Comment | |||
UC909108 | Loeseliastrum schottii | Frank W. Peirson | 1927-4-16 | 7218 | Imperial | foot of Mountain Springs Grade (along n. bank of stream) | 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 | |||
UCD64091 | Digitaria sanguinalis | F. W. Peirson | 1917-9-1 | 1592 | Los Angeles | 1077 New York Avenue, Altadena. | Comment | |||
CAS-BOT-BC115145 | Carex vesicaria | Frank Warrington Peirson | 1926-6-21 | 6788 | Plumas | Open flat strip along shore of Lake, Lake Almanor. | Comment | |||
CAS-BOT-BC166414 | Epilobium canum subsp. canum | Peirson | 1920-7-30 | 2234 | San Luis Obispo | Willow Creek, Morro region, sea level | 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 | |||
CAS-BOT-BC257953 | Eriogonum parvifolium | F. W. Peirson | 1920-7-28 | 1760 | Ventura | Along the coast about 3 miles west of Ventura | 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 | |||
CAS-BOT-BC355772 | Osmadenia tenella | F. W. Peirson | 1926-4-25 | 6643 | Orange | Upper part of Laguna Canyon | Comment | |||
CAS-BOT-BC376605 | Syntrichopappus fremontii | Frank W. Peirson | 1928-4-2 | 7806 | Inyo | 18 miles south of Ryan, Death Valley Region | Comment | |||
CAS-BOT-BC384747 | Arenaria serpyllifolia var. serpyllifolia | Frank W. Peirson | 1924-5-27 | 4622 | Los Angeles | San Gabriel Mts. Colby's Ranch | 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 | |||
CAS-BOT-BC407620 | Gilia ochroleuca subsp. exilis | Frank W. Peirson | 1919-4-15 | 921 | Riverside | Whitewater Grade above Cabazon | Comment | |||
CAS-BOT-BC423096 | Cleomella obtusifolia | Frank W. Peirson | 1930-8-2 | 9044 | Inyo | Little Lake. 1/4 mile north of garage along old road | Comment | |||
CAS-BOT-BC431346 | Nemacladus californicus | Frank W. Peirson | 1922-5-12 | 2968 | Fresno | 22 mi N of Barstow | Comment | |||
CAS-BOT-BC436639 | Luzula comosa var. laxa | F. W. Peirson | 1925-7-29 | 11721 A | Alpine | Woods Lake | Comment | |||
GH363701 | Boykinia occidentalis | F. W. Peirson | 1923-6-27 | Unknown | Redwood Creek, at Notreys Landing | Comment | ||||
HSC4250 | Spergularia rubra | F. W. Peirson | 1925-8-10 | 6409 | Mendocino | Grade down to stream, Albion | Comment | |||
JEPS51052 | Sagina saginoides | Frank W. Peirson | 1913-2 | Ventura | Seymour Creek | Comment | ||||
JEPS62536 | Salvia apiana | Frank W. Peirson | 1918-6-28 | 180 | Los Angeles | Mt. Lowe foothills Mt. Lowe | Comment | |||
JEPS68644 | Malva nicaeensis | F. W. Peirson | 3356 | Los Angeles | streets of Claremont Claremont | Comment | ||||
LA38972 | Mimulus guttatus | Frank W. Peirson; | 1918-5-19 | 197 | Los Angeles | San Gabriel Mountains, Trail from Dawn Station to Dawn Mine | Comment | |||
PASA1130 | Stachys ajugoides | Frank W. Peirson | 1932-7-7 | Humboldt | Near Willow Creek | Comment | ||||
PASA1168 | Mentha pulegium | Frank W. Peirson | 1925-8-8 | Sonoma | 5 miles east of Santa Rosa | Comment | ||||
PASA1664 | Lupinus horizontalis var. platypetalus | Frank W. Peirson | 1922-5-12 | San Bernardino | 22 miles north of Barstow on the Granite Wells Road | Comment | ||||
PASA1690 | Lessingia glandulifera var. pectinata | Frank W. Peirson | 1923-6-26 | Monterey | Auto Camp 3 miles from Monterey on the Salinas Road | Comment | ||||
PASA1934 | Cornus sessilis | Frank W. Peirson | 1932-7-7 | Humboldt | Wild Creek | Comment | ||||
PASA2775 | Senecio lugens var. exaltatus | F. W. Peirson | 1921-7-3 | Y 69 | Mariposa | Little Yosemite | Comment | |||
PASA2777 | Gilia leptalea | F. W. Peirson | 1921-7-3 | Y 71 | Mariposa | above Little Yosemite | Comment | |||
PASA2804 | Orobanche uniflora | F. W. Peirson | 1921-7-9 | Y 104 | Mariposa | Ten Lakes trail | Comment | |||
PASA2815 | Lonicera conjugialis | F. W. Peirson | 1921-7-9 | Y 115 | Mariposa | Ten Lakes trail | Comment | |||
PASA2817 | Godetia viminea | F. W. Peirson | 1921-7-9 | Y 118 | Mariposa | Near foot of upper Yosemite Falls | Comment | |||
PASA2819 | Lupinus longipes | F. W. Peirson | 1921-6-27 | Y 20 | Mariposa | Below Yosemite Falls | Comment | |||
PASA2825 | Cystopteris fragilis | F. W. Peirson | 1921-6-28 | Y 26 | Mariposa | Tenaya Canyon | Comment | |||
PASA283 | Symphoricarpos albus | Frank W. Peirson | 1923-6-27 | Monterey | Redwood Creek at Notery's Landing | Comment | ||||
PASA2838 | Mitella breweri | F. W. Peirson | 1921-7-1 | Y 36 | Mariposa | above Lake Merced | Comment | |||
PASA2845 | Thalictrum fendleri | F. W. Peirson | 1921-7-1 | Y 42 | Mariposa | above Lake Merced | Comment | |||
PASA2847 | Ranunculus alismifolius var. alismellus | F. W. Peirson | 1921-7-1 | Y 44 | Mariposa | marshes above Lake Merced | Comment | |||
PASA2849 | Ribes roezlii | F. W. Peirson | 1921-7-1 | Y 46 | Mariposa | above Lake Merced | Comment | |||
PASA2852 | Sedum obtusatum | F. W. Peirson | 1921-7-1 | Y 50 | Mariposa | granite slopes below Lake Merced | Comment | |||
PASA2858 | Potentilla lactea | F. W. Peirson | 1921-7-3 | Y 51 | Mariposa | glaciated granite slopes below Lake Merced | Comment | |||
PASA2860 | Geranium richardsonii | F. W. Peirson | 1921-7-3 | Y 57 | Mariposa | Merced Lake Trail; locality same as Y55 | Comment | |||
PASA2863 | Penstemon confertus | F. W. Peirson | 1921-7-8 | Y 95 | Mariposa | ""Dream Lake"", Ten Lakes | Comment | |||
PASA375 | Montia sibirica | Mabel B. Peirson | 1926-3-28 | Marin | Tennessee Cove | Comment | ||||
PASA614 | Scirpus rostellatus | Frank W. Peirson | 1922-7-7 | San Bernardino | Swartout Valley. Marsh near Ranger's Cabin | Comment | ||||
POM175484 | Hypericum concinnum | Mabel Peirson | 1926-5-31 | 2071 | Marin | Mt. Tamalpais | Comment | |||
POM175550 | Downingia elegans var. corymbosa | F. W. Peirson | 1923-7-10 | 3871 | Humboldt | About 6 miles N of Garbersville. | Comment | |||
POM20560 | Veronica scutellata | F. W. Peirson | 1923-7-7 | s.n. | Mariposa | Navarro River. | Comment | |||
POM212924 | Cheilanthes parryi | F. W. Peirson | 1935-4-18 | 11501 | San Bernardino | Whipple Mountains, Northern Part of Range | Comment | |||
POM254665 | Atriplex serenana | F. W. Peirson | 1923-10-7 | 4162 | Los Angeles | Santa Clara River at Aqueduct crossing. | Comment | |||
POM47640 | Lathyrus torreyi | F. W. Peirson | 1923-6-29 | 3628 | Santa Cruz | Santa Cruz Mts. | Comment | |||
POM87051 | Allium dichlamydeum | F. W. Peirson | 1925-8-10 | 6398 | Mendocino | Jug Handle Creek. | Comment | |||
POM87070 | Claytonia sibirica | F. W. Peirson | 1925-8-10 | 6403 | Mendocino | Jug Handle Creek, Mendocino County | Comment | |||
POM89887 | Fritillaria recurva | Frank W. Peirson | 1926-4-3 | 6622 | Lake | South of Middletown near Napa County line | Comment | |||
POM98580 | Downingia bacigalupii | F. W. Peirson | 1926-6-21 | 6802 | Plumas | Lake Almanor. | Comment | |||
POM98583 | Cordylanthus tenuis subsp. viscidus | F. W. Peirson | 1926-6-22 | 6807 | Shasta | Lassen National Park, in vicinity of Boiling Lake | Comment | |||
POM98586 | Erythronium purpurascens | Frank W. Peirson | 1926-6-23 | 6844 | Shasta | Trail to summit of Lassen Peak, Lassen National Park. | Comment | |||
POM98605 | Potentilla gracilis var. flabelliformis | F. W. Peirson | 1926-6-25 | 6883 | Modoc | 1 mile east of summit of Cedarville Road, Warner Mountains | Comment | |||
POM98607 | Orthocarpus cuspidatus subsp. copelandii | F. W. Peirson | 1926-6-25 | 6871 | Modoc | Cedarville Road, Warner Mountains. | Comment | |||
POM99735 | Antirrhinum coulterianum | F. W. Peirson | 188 | Los Angeles | Foothills east of Rubio C. San Gabriel Mts. | Comment | ||||
RSA0008570 | Cryptantha traskiae | F. W. Peirson | 1923-4-11 | 3421 | Los Angeles | In canyon below farm buildings at Eagle Ranch, San Clemente Island | Comment | |||
RSA0011821 | Shepherdia argentea | F. W. Peirson | 1910-7-21 | 2078 | Mono | Along stream near Farrington's, Mono Valley. | Comment | |||
RSA0025703 | Abronia latifolia | F. W. Peirson | 1923-6-27 | 1847 | Monterey | Seventeen Mile Drive, Monterey. | Comment | |||
RSA0025948 | Abronia umbellata | F. W. Peirson | 1920-7-29 | 2324 | San Luis Obispo | 1 mile S of Pismo Beach. | Comment | |||
RSA0028451 | Geranium dissectum | Mabel Peirson | 1926-5-31 | s.n. | Alameda | Berkeley Hills | Comment | |||
RSA0028541 | Geranium molle | Mabel Peirson | 1926-3-28 | 6536 | Marin | Tennessee Cove. | Comment | |||
RSA0028542 | Geranium molle | F. W. Peirson | 1925-8-10 | 6385 | Mendocino | Jug Handle Creek, 6 miles north of Mendocino City. | Comment | |||
RSA0029589 | Geranium viscosissimum var. nervosum | F. W. Peirson | 1926-6-25 | 6864 | Modoc | Cedarville Road, west slope of Warner Mts. | Comment | |||
RSA0042708 | Thysanocarpus conchuliferus | F. W. Peirson | 1934-3-26 | 11054 | Santa Barbara | Santa Cruz Island. Slope east of canyon above Frye s Harbor. | Comment | |||
RSA0057650 | Eremogone congesta var. suffrutescens | F. W. Peirson | 1911-8-8 | 627 | Inyo | Cottonwood Creek, Sierra Nevada. | Comment | |||
RSA0059185 | Orobanche uniflora subsp. occidentalis | Frank W. Peirson | 1934-3-29 | 11088 | Santa Barbara | Banks of Frye's Inlet, Santa Cruz Island. | Comment | |||
RSA0070478 | Orobanche californica subsp. feudgei | Frank W. Peirson | 1926-5-1 | 6722 | San Diego | Bottom lands of Temecula River, Oak Grove. | Comment | |||
RSA0070582 | Cirsium brevistylum | F. W. Peirson | 1925-8-10 | 6365 | Mendocino | Jug Handle Creek, 6 miles north of Mendocino City. | Comment | |||
RSA0077928 | Orobanche corymbosa subsp. corymbosa | Frank W. Peirson | 1938-7-8 | 12423 | Inyo | Sherwin Grade, north of Bishop. | Comment | |||
RSA0080479 | Pyrola dentata | F. W. Peirson | 1908-7-19 | 826 | Tulare | Upper Kern River Canyon. | Comment | |||
RSA0087573 | Linnaea borealis subsp. longiflora | Frank W. Peirson | 1923-7-13 | 3865 | Del Norte | About 2 miles south of Oregon line on road between Grants Pass and Gasquet. | Comment | |||
RSA0091053 | Amsinckia spectabilis var. microcarpa | F. W. Peirson | 1929-4-20 | 8299 | Santa Barbara | La Purissima Mission, north of Lompoc. | Comment | |||
RSA0091277 | Amsinckia spectabilis | F. W. Peirson | s.n. | Los Angeles | Ballona. | Comment | ||||
RSA0098127 | Spergularia rubra | F. W. Peirson | 1925-8-10 | 6409 | Mendocino | Albion. | Comment | |||
RSA0117237 | Collinsia parviflora | F. W. Peirson | 1926-6-25 | 6891 | Modoc | Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. | Comment | |||
RSA0121162 | Eriastrum pluriflorum subsp. sherman-hoytiae | F. W. Peirson | 1933-5-13 | s.n. | Los Angeles | About 10 miles south of Munroc, Western Mojave Desert. | Comment | |||
RSA0121659 | Euphorbia albomarginata | F. W. Peirson | 1927-4-15 | 7200 | Imperial | Low land along Colorado River, near Ft. Yuma. | Comment | |||
RSA0124165 | Thysanocarpus desertorum | F. W. Peirson | 1922-5-13 | 2970 | San Bernardino | Granite Wells, Mojave Desert. | Comment | |||
RSA0124856 | Eriastrum wilcoxii | F. W. Peirson | 1911-8-7 | 934 | Inyo | Hockett Trail, Sierra Nevada. | Comment | |||
RSA0125607 | Echinocereus engelmannii var. engelmannii | F. W. Peirson | 1928-4-20 | 7843 | San Diego | Near summit of low hill on San Felipe Creek, about 2 miles above Sentenac Canyon. | Comment | |||
RSA0128745 | Boechera californica | F. W. Peirson | 1918-5-19 | 62 | Los Angeles | Near Dawn Station on trolley line to Mt. Lowe. | Comment | |||
RSA087025 | Lupinus densiflorus var. lacteus | F. W. Peirson | 1914-04 | 705 | Riverside | Whitewater at head of Coachella Valley. | Comment | |||
RSA100245 | Valeriana capitata subsp. californica | F. W. Peirson | 1925-7-6 | 6291 | El Dorado | Trail from Fallen Leaf to Angora Lookout, Sierra Nevada. | Comment | |||
RSA100329 | Campanula prenanthoides | F. W. Peirson | 1926-7-11 | 7023 | Siskiyou | About half way up the grade west of Etna or Etna Mills | Comment | |||
RSA100331 | Campanula prenanthoides | F. W. Peirson | 1908-1 | 1207 | Tulare | North fork or Tule River, Sierra Nevada. | Comment | |||
RSA576932 | Plectritis macrocera | F. W. Peirson | 1926-4-1 | 6562 | Mendocino | Hopland. Near Russian River. | Comment | |||
RSA64797 | Chenopodium macrospermum var. farinosum | F. W. Peirson | 1919-11-8 | 1826 | Orange | Aliso Creek. | 0 | Comment | ||
RSA65091 | Eriogonum nudum var. oblongifolium | F. W. Peirson | 1923-7-7 | 3710 | Mendocino | 3 miles southeast of Boonville | Comment | |||
RSA65094 | Eriogonum caespitosum | F. W. Peirson | 1914-8-6 | 1770 | Inyo | Piute Pass. | Comment | |||
RSA65345 | Atriplex serenana | F. W. Peirson | 1923-10-7 | 4162 | Los Angeles | Bouquet Canyon, where Los Angeles Aqueduct crosses Santa Clara River. | Comment | |||
RSA65394 | Atriplex semibaccata | F. W. Peirson | 1928-1-14 | 7685 | Los Angeles | Vacant field east of Norwalk Insane Asylum. | Comment | |||
RSA65475 | Rumex salicifolius | F. W. Peirson | 1923-4-9 | 3473 | Los Angeles | San Clemente Island: about 6 miles SE of Wilson's Cove. | Comment | |||
RSA65590 | Moehringia macrophylla | F. W. Peirson | 1908-7-23 | 629 | Tulare | North Fork of Tule River, Sierra Nevada. | Comment | |||
RSA65646 | Claytonia gypsophiloides | F. W. Peirson | 1926-4-1 | 6555 | Mendocino | open bank on roadside, 5 mi. north of Cloverdale. | Comment | |||
RSA65689 | Silene scouleri var. scouleri | F. W. Peirson | 1936-7-15 | 11835 | Marin | Near the lighthouse, Point Reyes. | Comment | |||
RSA65713 | Silene bernardina | F. W. Peirson | 1908-7-10 | 614 | Tulare | Tule River near Nelson, Sierra Nevada. | Comment | |||
RSA65726 | Montia chamissoi | F. W. Peirson | 1914-8-7 | 603 | Inyo | Piute Creek, Sierra Nevada. | Comment | |||
RSA65870 | Polygonum hydropiperoides var. asperifolium | F. W. Peirson | 1923-1-21 | 1792 | Los Angeles | Pond north of East Lake Park, Los Angeles. | Comment | |||
RSA65892 | Centrostegia thurberi var. thurberi | F. W. Peirson | 1926-5-8 | 6725 | Los Angeles | 4 miles east of Palmdale, Antelope Valley. | Comment | |||
RSA65912 | Eriogonum nidularium | F. W. Peirson | 1914-8-26 | 1742 | Mono | Volcanic Tableland east of Long Valley | Comment | |||
RSA65935 | Polygonum bistortoides | F. W. Peirson | 1923-7-7 | 3704 | Mendocino | 1 mile north of Navarro River | Comment | |||
RSA65942 | Polygonum shastense | F. W. Peirson | 1910-7-29 | 1795 | Unknown | High pass betw Matterhorn Creek and Smerberg Lake, Sierra Nevada. [no county specified] | Comment | |||
RSA66085 | Tropidocarpum gracile | F. W. Peirson | 1903-2-24 | 1902 | Los Angeles | Eagle Rock Valley | Comment | |||
RSA66205 | Arabis repanda | G. B. Peirson | 1914-07 | 657 | Tuolumne | Tuolumne Meadow region, Sierra Nevada | Comment | |||
RSA66323 | Polygonum lapathifolium | F. W. Peirson | 1923-10-10 | 4160 | Los Angeles | Santa Clara River at crossing north of Saugus. | Comment | |||
RSA66597 | Rorippa curvisiliqua | F. W. Peirson | 1906 | Los Angeles | Playa del Rey. | Comment | ||||
RSA66694 | Dicentra formosa subsp. formosa | F. W. Peirson | 1923-7-9 | 3731 | Mendocino | Grade 7 miles north of Westport | Comment | |||
RSA68695 | Maianthemum dilatatum | Frank W. Peirson | 1923-7-12 | 3675 | Del Norte | Northeast of Crescent City | Comment | |||
RSA68721 | Fritillaria recurva | Frank W. Peirson, Mabel B. Peirson | 1926-4-3 | 6622 | Lake | South of Middletown near Napa County line | Comment | |||
RSA68744 | Disporum hookeri var. hookeri | Frank W. Peirson | 1912-6-29 | 1673 | Santa Cruz | State Park, Santa Cruz. | Comment | |||
RSA68797 | Delphinium glaucum | F. W. Peirson | 1914-8-23 | 637 | Madera | Agnew's Trail, Sierra Nevada | Comment | |||
RSA68979 | Plantago maritima | F. W. Peirson | 1923-7-11 | 3857 | Humboldt | Flats north of Eureka. | Comment | |||
RSA69231 | Ledum glandulosum subsp. columbianum | F. W. Peirson | 1923-7-7 | 3796 | Mendocino | 2 miles east of Mendocino City. | Comment | |||
RSA69276 | Maianthemum racemosum subsp. amplexicaule | Frank W. Peirson, Mabel B. Peirson | 1925-4-10 | 6636 | Contra Costa | Boulevard near San Pablo Reservoir | Comment | |||
RSA69292 | Chlorogalum | Frank W. Peirson | 1670 | Unknown | Sierra Nevada | Comment | ||||
RSA69405 | Delphinium nuttallianum | F. W. Peirson | 1926-6-22 | 6820 | Shasta | Trail to Devils Kitchen, Drakesbad, Lassen National Park | Comment | |||
RSA69712 | Mentzelia dispersa | F. W. Peirson | 1926-6-26 | 6899 | Modoc | Roadside, Alturas to Canby. | 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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RSA69739 | Luzula parviflora | F. W. Peirson | 1923-7-11 | 3673 | Humboldt | About 3 miles north of Orick. | Comment | |||
RSA69861 | Juncus torreyi | F. W. Peirson | 1928-9-4 | 8186 | Los Angeles | about 1 mile above Pallett Creek | Comment | |||
RSA70139 | Triteleia laxa | F. W. Peirson | 1923-6-29 | 4096 | Santa Cruz | Along boulevard, Santa Cruz Mountains | Comment | |||
RSA70142 | Triteleia ixioides subsp. scabra | F. W. Peirson | 1908-7-10 | 1658 | Tulare | Tule River, Sierra Nevada. | Comment | |||
RSA70148 | Dichelostemma ida-maia | F. W. Peirson | 1926-7-12 | 7030 | Humboldt | W slope of Coast Range back of Orick. | Comment | |||
RSA70155 | Triteleia montana | F. W. Peirson | 1926-6-22 | 6823 | Lassen | Drakesbad, trail to Devils Kitchen, Lassen National Park. | Comment | |||
RSA70232 | Allium validum | F. W. Peirson | 1925-7-6 | 6297 | El Dorado | Lake of the Woods Trail from Fallen Leaf Lake. Sierra Nevada. | Comment | |||
RSA70252 | Allium obtusum var. obtusum | Gertrude B. Peirson | 1914-07 | 1650 | Tuolumne | Tuolumne Meadow region, Sierra Nevada. | Comment | |||
RSA70280 | Juncus covillei | F. W. Peirson | 1923-7-9 | 3666 | Humboldt | Humboldt County State Park on Eel River, northern California. | Comment | |||
RSA70435 | Floerkea proserpinacoides | F. W. Peirson | 1926-6-25 | 6888 | Modoc | Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. | Comment | |||
RSA70545 | Euphorbia spathulata | F. W. Peirson | 1908-4-18 | 2037 | Los Angeles | Point Fermin | Comment | |||
RSA70547 | Chamaesyce albomarginata | F. W. Peirson | 1919-2-16 | 2038 | Los Angeles | Point Fermin. | Comment | |||
RSA70552 | Euphorbia crenulata | F. W. Peirson | 1923-7-8 | 3761 | Mendocino | Ten Mile Creek, about 5 miles upstream. | Comment | |||
RSA71118 | Calystegia malacophylla | F. W. Peirson | 1919-8-15 | 895 | Tulare | Trail from Redwood Meadow to Giant Forest, Sierra Nevada | Comment | |||
RSA71856 | Collomia heterophylla | F. W. Peirson | 1941-7-27 | 13096 | Del Norte | Elk Valley Forest Camp | Comment | |||
RSA71888 | Navarretia leptalea | F. W. Peirson | 1914-8-10 | 930 | Fresno | Warm Creek, tributary of San Joaquin River | Comment | |||
RSA72145 | Gayophytum eriospermum | F. W. Peirson | 1916-08 | 797 | Tulare | Tule River. | Comment | |||
RSA72180 | Epilobium hornemannii subsp. hornemannii | F. W. Peirson | 1914-08 | 2305 | Madera | Minaret Creek, Sierra Nevada | Comment | |||
RSA72194 | Oenothera californica subsp. californica | F. W. Peirson | 781 | Los Angeles | Los Angeles River, San Fernando Valley | Comment | ||||
RSA72235 | Camissonia palmeri | F. W. Peirson | 1926-5-8 | 6727 | Los Angeles | 12 miles E of Palmdale, Antelope Valley | Comment | |||
RSA72631 | Wyethia helenioides | F. W. Peirson | 1926-8-10 | 6626 | Contra Costa | Tunnel Road to Walnut Creek. | Comment | |||
RSA73027 | Leptosiphon bicolor | F. W. Peirson | 1923-4-9 | 3428 | Los Angeles | San Clemente Island: Lemon Tank; north shore | Comment | |||
RSA73083 | Linanthus dichotomus subsp. dichotomus | F. W. Peirson, Mabel Peirson | 1926-4-3 | 6614 | Lake | 3.4 miles north of Middletown | Comment | |||
RSA73304 | Clarkia bottae | F. W. Peirson | 1929-5-18 | 8394 | Santa Barbara | Cuyama Valley Road, 13 miles east of Coast Boulevard. | Comment | |||
RSA73347 | Clarkia xantiana | F. W. Peirson | 1927-5-28 | 7302 | Kern | Kern River Road, 15 miles from Bakersfield. | Comment | |||
RSA74957 | Phacelia quickii | F. W. Peirson | 1925-7-8 | 6319 | El Dorado | Road down American River, Sierra Nevada. | Comment | |||
RSA75122 | Nemacladus longiflorus var. breviflorus | F. W. Peirson | 1918-6-4 | 220 -a | Los Angeles | Rubio Canyon wash, south face of San Gabriel Mountains. | Comment | |||
RSA75364 | Camissonia boothii subsp. desertorum | F. W. Peirson | 1914-8-26 | 794 | Mono | Volcanic Tableland, Owens Valley | Comment | |||
RSA75384 | Camissonia strigulosa | F. W. Peirson | 1951-5-13 | 344 | Los Angeles | Arroyo Seco, Pasadena. | Comment | |||
RSA75525 | Phacelia fremontii | F. W. Peirson | 1917-5-13 | 963 | Los Angeles | Near Little Rock, Mojave Desert. | Comment | |||
RSA75797 | Pholistoma auritum | Mabel Peirson | 1927-4-12 | 7130 | Santa Barbara | Lady s Harbor, Santa Cruz Island | Comment | |||
RSA75871 | Nemophila menziesii var. menziesii | F. W. Peirson | 1925-3-20 | 5544 | Tulare | Near Richgrove. | Comment | |||
RSA76021 | Nemophila parviflora var. parviflora | F. W. Peirson | 1923-7-7 | 3816 | Mendocino | Navarro River. 8 miles below Wendling. | Comment | |||
RSA766128 | Eriogonum nudum var. pubiflorum | F. W. Peirson | 1930-5-13 | s.n. | Kern | About 3 miles southeast of Kernville. | Comment | |||
RSA77419 | Datisca glomerata | F. W. Peirson | 1904-8-28 | 122 | Los Angeles | Little Santa Anita Canyon, south base of San Gabriel Mts. | Comment | |||
RSA77432 | Apium graveolens | F. W. Peirson | 1923-06 | 819 | Los Angeles | Kewen Lake Canyon, Pasadena | Comment | |||
RSA77770 | Viola glabella | F. W. Peirson | 1926-6-22 | 6818 | Unknown | Trail from Devil's Kitchen, Lassen National Park. | Comment | |||
RSA78640 | Cryptantha confertiflora | F. W. Peirson | 1946-4-20 | 13543 | Inyo | Gray s Camp. | Comment | |||
RSA79422A | Collinsia bartsiifolia var. davidsonii | F. W. Peirson | 1926-4-4 | 7089 | Alameda | Berkeley Hills, Crgmont Region | Comment | |||
RSA79443 | Collinsia bartsiifolia | F. W. Peirson | 1929-4-20 | 8315 | Santa Barbara | About 2 miles from Surf on the road to Lompoc. | Comment | |||
RSA79886 | Leucophysalis nana | F. W. Peirson | 1926-6-21 | 6796 | Plumas | Open flat strip along shore of Lake Almanor. | Comment | |||
RSA79907 | Solanum americanum | F. W. Peirson | 1936-4-7 | 11812 | Inyo | along the creek below Darwin Falls, Argus Range. | Comment | |||
RSA79909 | Solanum elaeagnifolium | F. W. Peirson | 1929-7-27 | 8566 | Kern | along the railroad track at south end of Mohave. | Comment | |||
RSA79999 | Amsinckia spectabilis | F. W. Peirson | 1925-3-25 | 5678 | San Luis Obispo | Morro. | Comment | |||
RSA80102 | Mimulus torreyi | F. W. Peirson | 1926-6-21 | 6800 | Plumas | Flat strip along shore of Lake Almanor (north shore). | Comment | |||
RSA80134 | Mimulus guttatus | F. W. Peirson | 1926-6-21 | 6775 | Butte | Butte Meadow, Humboldt Road. | Comment | |||
RSA80173 | Linaria vulgaris | F. W. Peirson | 1923-7-7 | 3846 | Mendocino | 2 miles below Wendling. | Comment | |||
RSA80198 | Penstemon speciosus | F. W. Peirson | 1911-8-7 | 1115 | Inyo | Little Cottonwood Creek, east slope of Sierra Nevada. | Comment | |||
RSA80205 | Plagiobothrys scouleri var. hispidulus | F. W. Peirson | 1914-8-25 | 999 | Mono | Crooked Creek, east of Sierra Nevarda | Comment | |||
RSA80316 | Lycium pallidum var. oligospermum | F. W. Peirson | 1928-4-4 | 7823 | Inyo | low table land about 15 mi. N of Trona. | Comment | |||
RSA80365 | Heracleum maximum | F. W. Peirson | 1923-7-7 | 3939 | Mendocino | Indian Creek Camp | Comment | |||
RSA80367 | Heracleum maximum | F. W. Peirson | 1914-8-15 | 807 | Madera | Devil s Post Pile, Sierra Nevada. | Comment | |||
RSA80492 | Mimulus primuloides var. pilosellus | F. W. Peirson | 1908-7-11 | 1140 | Tulare | Meadow Divide above Nelson, Sierra Nevada. | Comment | |||
RSA80645 | Hypericum concinnum | Mabel Peirson | 1926-5-31 | 2071 | Marin | Mt. Tamalpais | Comment | |||
RSA80647 | Boisduvalia glabella | F. W. Peirson | 1906-7-19 | 2083 | Los Angeles | Sink near Inglewood. | Comment | |||
RSA80691 | Boisduvalia densiflora var. densiflora | F. W. Peirson | 1908-7-9 | 2081 | Tulare | Tule River, Sierra Nevada. | Comment | |||
RSA80704 | Circaea alpina subsp. pacifica | F. W. Peirson | 1941-7-23 | s.n. | Mendocino | Van Damme State Park. Near sea level. | 0 | Comment | ||
RSA80717 | Grindelia camporum var. bracteosa | F. W. Peirson | 1920-7-30 | 2754 -A | San Luis Obispo | Willow Creek, Morro region. | Comment | |||
RSA80766 | Petunia parviflora | F. W. Peirson | 1092 | Los Angeles | Los Angeles River, Inglewood. | Comment | ||||
RSA80791 | Pedicularis groenlandica | F. W. Peirson | 1908-7-10 | 1171 | Tulare | Tule River near Nelson, Sierra Nevada. | Comment | |||
RSA81473 | Castilleja wightii | F. W. Peirson | 1941-7-23 | s.n. | Mendocino | Van Damme State Park | Comment | |||
RSA82053 | Cordylanthus rigidus subsp. rigidus | F. W. Peirson | 1908-7-9 | 1159 | Tulare | Tule River | Comment | |||
RSA82551 | Stachys albens | F. W. Peirson | 1925-8-10 | 6379 | Mendocino | Jug Handle Creek, 5 miles north of Mendocino City. | Comment | |||
RSA83324 | Dudleya lanceolata | F. W. Peirson | s.n. | Los Angeles | Altadena. | Comment | ||||
RSA83399 | Monardella lanceolata var. lanceolata | F. W. Peirson | 1908-7-10 | 1074 | Tulare | Tule River near Nelson | Comment | |||
RSA83450 | Mentha canadensis | F. W. Peirson | 1926-7-12 | 7044 | Humboldt | Humboldt County: Orick | Comment | |||
RSA83453 | Mentha canadensis | F. W. Peirson | 1921-8-2 | 1076 | Inyo | Owens River, 2 miles north of Lone Pine. | Comment | |||
RSA84213 | Sedum stenopetalum subsp. stenopetalum | F. W. Peirson | 1926-6-25 | 6866 | Modoc | West slope of Warner Mountains on Cedarville Road. | Comment | |||
RSA84289 | Equisetum hyemale var. affine | F. W. Peirson | 1532 | Los Angeles | Benedicts Canyon, Santa Monica Mts | Comment | ||||
RSA84324 | Tellima grandiflora | F. W. Peirson | 1923-7-7 | 3739 | Mendocino | Just below Wendling. | Comment | |||
RSA84954 | Ribes divaricatum | F. W. Peirson | 1925-3-25 | 5682 | San Luis Obispo | North of Morro | Comment | |||
RSA84992 | Adiantum jordanii | F. W. Peirson | 1934-3-29 | 11089 | Santa Barbara | Santa Cruz Island. Top of sea-bluffs west of Inlet, Frye's Harbor. | Comment | |||
RSA85016 | Polypodium californicum | F. W. Peirson | 1923-4-9 | 3441 | Los Angeles | north slope about 4 miles southeast of Wilson's Cove, San Clemente Island | Comment | |||
RSA85170 | Ephedra californica | F. W. Peirson | 1938-4-12 | 12381 | San Luis Obispo | Cuyama Valley in extreme southeast corner of San Luis Obispo County | Comment | |||
RSA85198 | Typha domingensis | F. W. Peirson | 1924-8-29 | 5075 | Orange | 3 miles from Balboa Beach. | Comment | |||
RSA85211 | Horkelia tridentata | F. W. Peirson | 1908-7-23 | 1964 | Tulare | Sequoia National Park, Sierra Nevada | Comment | |||
RSA85224 | Horkelia fusca subsp. tenella | F. W. Peirson | 1926-6-21 | 6794 | Plumas | South shore Lake almanor, | Comment | |||
RSA85295 | Ranunculus sceleratus var. multifidus | F. W. Peirson | 1926-6-26 | 6904 | Modoc | Alturas to Canby | Comment | |||
RSA85297 | Ranunculus occidentalis var. ultramontanus | F. W. Peirson | 1925-7-1 | 6171 | Contra Costa | Wood borders, State Line, Lake Tahoe | Comment Read comments Feb 10 2013 |
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RSA85299 | Ranunculus occidentalis var. eisenii | F. W. Peirson | 1926-4-2 | 6593 | Lake | 3 miles east of Kelseyville on road to Lower Lake | Comment | |||
RSA85727 | Potentilla drummondii | F. W. Peirson | 1908-7-24 | 1981 | Tulare | North Fork of Tule River, Sierra Nevada. | Comment | |||
RSA86689 | Leymus triticoides | F. W. Peirson | 1924-7-1 | 4678 | San Bernardino | Woods along river north of Bridge, Santa Ana River. | Comment | |||
RSA86808 | Sorbus californica | F. W. Peirson | 1912-6-29 | 1989 | Santa Cruz | State Park. Santa Cruz Mtns. | Comment Read comments Nov 11 2012 |
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RSA86831 | Rubus ursinus | F. W. Peirson | 1929-5-17 | 8378 | Santa Barbara | Grade beyond Bear Creek, 2 miles south of Surf. | Comment | |||
RSA86948 | Lupinus sparsiflorus subsp. sparsiflorus | F. W. Peirson | 1917-5-12 | 2432 | Los Angeles | County public camp ground in Mint Canyon, northwest corner of San Gabriel Mts. | Comment | |||
RSA87071 | Lupinus densiflorus var. lacteus | F. W. Peirson | 1933-7-9 | 10679 | Kern | On road from Caliente to Bodfish, about 6 miles north of the former | Comment | |||
RSA87082 | Lupinus nanus subsp. menkerae | F. W. Peirson | 1938-4-12 | 12388 | Kern | From fields of Lupine along first level stretch north of grade, at Arvin Cutoff, south of Bakersfield, Kern County. | Comment | |||
RSA87234 | Lupinus culbertsonii subsp. hypolasius | F. W. Peirson | 1917-8-14 | 532 | Fresno | Dusey Creek, Middle Fork of Kings River, Sierra Nevada. | Comment | |||
RSA88693 | Carex bolanderi | F. W. Peirson | 1932-7-7 | 10261 | Humboldt | Willow Creek, a few miles above the town of that name. | Comment | |||
RSA90078 | Lotus argophyllus var. argophyllus | F. W. Peirson | 1928-4-21 | 7867 | San Diego | Junction of Grapevine Canyon and San Felipe Creek, eastern San Diego County. | Comment | |||
RSA90155 | Astragalus didymocarpus var. didymocarpus | F. W. Peirson | 1903-3-28 | 2345 | Los Angeles | Benedict's Canyon, Santa Monica Mountains. | Comment | |||
RSA90157 | Astragalus didymocarpus var. didymocarpus | F. W. Peirson | 1918-5-5 | 581 | Los Angeles | West foot of Santa Susanna Grade, Simi Valley. | Comment | |||
RSA90159 | Astragalus didymocarpus var. dispermus | F. W. Peirson | 1918-03 | 579 | Riverside | Coachella Valley, field near Indio. | Comment | |||
RSA90219 | Astragalus bolanderi | F. W. Peirson | 1908-7-23 | 4142 | Tulare | South Fork of Kaweah River | Comment | |||
RSA90227 | Astragalus douglasii var. perstrictus | F. W. Peirson | 1925-5-15 | 5896 | San Diego | 10 miles northwest of Jacumba | Comment | |||
RSA90238 | Astragalus gilensis | F. W. Peirson | 1916-8-30 | 2001 | Kern | near Bakerfield. | Comment | |||
RSA90245 | Astragalus layneae | F. W. Peirson | 1922-5-14 | 3011 | San Bernardino | 10 miles N of Barstow. | Comment | |||
RSA90300 | Lotus hamatus | F. W. Peirson | 1926-4-30 | 6696 | San Diego | About 1 mile from Pala on the road to Henshaw Dam | Comment | |||
RSA90364 | Lotus heermannii | F. W. Peirson | 1923-7-27 | 3607 | Monterey | Monterey | 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 | |||
RSA90442 | Astragalus kentrophyta var. danaus | F. W. Peirson | 1910-7-26 | 595 | Tuolumne | Mt. Dana, Seirra nevada, Tuolumne Co. California | Comment | |||
RSA90455 | Lathyrus jepsonii subsp. californicus | F. W. Peirson | 1908-7-9 | 2009 | Tulare | Tule River, Sierra Nevada. | Comment | |||
RSA90457 | Lathyrus torreyi | F. W. Peirson | 1923-6-29 | 3628 | Santa Cruz | Santa Cruz Mts. | Comment | |||
RSA90459 | Lathyrus sulphureus | F. W. Peirson | 1908-7-10 | s.n. | Tulare | Tule River, Sierra Nevada. | Comment | |||
RSA90641 | Astragalus palmeri | F. W. Peirson | 1928-4-20 | 7850 | San Diego | Upper end of Sentenac Canyon, San Felipe Creek. | Comment | |||
RSA90707 | Astragalus trichopodus var. lonchus | F. W. Peirson | 1927-4-19 | 7253 | San Diego | Headland South of Torrey Pines | Comment | |||
RSA90709 | Astragalus trichopodus var. lonchus | F. W. Peirson | 1908-4-18 | 7695 | Los Angeles | Point Fermin | Comment | |||
RSA90724 | Astragalus purshii var. tinctus | F. W. Peirson | 1922-5-13 | 2976 | San Bernardino | Granite Wells, Mojave Desert. | Comment | |||
RSA90744 | Astragalus magdalenae var. peirsonii | F. W. Peirson | 1927-4-15 | 7194 | Imperial | Lower part of dunes west of Yuma. | Comment | |||
RSA91139 | Trifolium monanthum subsp. grantianum | F. W. Peirson | 1924-7-14 | 4950 | San Bernardino | Lost Creek, San Bernardino Mts. | Comment | |||
RSA91148 | Euthamia occidentalis | F. W. Peirson | 1924-8-31 | 5106 | San Bernardino | South of Victorville. | Comment | |||
RSA91155 | Lessingia glandulifera var. peirsonii | F. W. Peirson | 1927-5-29 | 7331 | Kern | 10 miles north of Red Rock canyon, Indian Wells Valley, Western Mojave Desert. | Comment | |||
RSA91157 | Lessingia glandulifera var. glandulifera | F. W. Peirson | 1924-8-31 | 5099 | San Bernardino | On road to Phelan N of Cajon Pass, | Comment | |||
RSA91201 | Lupinus excubitus var. hallii | F. W. Peirson | 1923-3-23 | 4424 | San Bernardino | 1 mile east of Mentone. | Comment | |||
RSA91204 | Lupinus formosus var. formosus | F. W. Peirson | 1907-7-7 | 3 | Los Angeles | pine Flats | Comment | |||
RSA91215 | Krameria grayi | F. W. Peirson | 1927-4-16 | 7216 | Imperial | Foot of Mountain Springs Grade, Western Imperial County | Comment | |||
RSA91260 | Lupinus latifolius subsp. latifolius | F. W. Peirson, Mabel B. Peirson | 1926-4-2 | 6565 | Mendocino | Near foot of Hopland Grade. | Comment | |||
RSA91306 | Vicia americana | F. W. Peirson | 1907-7-9 | 2016 | Los Angeles | East Fork of Alder Creek, San Gabriel Mts | Comment | |||
RSA91364 | Medicago lupulina | F. W. Peirson | 1906-8-12 | 547 | San Bernardino | Mill Creek Canyon, San Bernardino Mts. | Comment | |||
RSA91381 | Linum angustifolium | F. W. Peirson | 1923-7-8 | 5309 | Mendocino | Neglected yard, Mendocino City. | Comment | |||
RSA91435 | Psorothamnus polydenius | F. W. Peirson | 1925-6-25 | 6029 | Inyo | 10 miles N of Independence | Comment | |||
RSA91437 | Psorothamnus schottii | F. W. Peirson | 1927-4-16 | 7215 | Imperial | Foot of Mountain Springs Grade, Western Imperial County | Comment | |||
RSA91442 | Trifolium gracilentum var. palmeri | F. W. Peirson | 1923-4-12 | 3436 | Los Angeles | Wilson's Cove, San Clemente Island. | Comment | |||
RSA91504 | Trifolium ciliolatum | F. W. Peirson | 1903-4-9 | 552 | Los Angeles | Shorb, Los Angeles County | Comment | |||
RSA91515 | Poa secunda | F. W. Peirson | 1918-04 | 1550 | Los Angeles | Arroyo Seco above Devil's Gate, West of Pasadena | Comment | |||
RSA91517 | Poa secunda | F. W. Peirson | 1919-4-12 | 1551 | Riverside | Tahquitz canyon near Palm Springs. | Comment | |||
RSA91525 | Digitaria sanguinalis | F. W. Peirson | 1917-09 | 1592 | Los Angeles | At 1085 New York Drive, Altadena | Comment | |||
RSA91545 | Trifolium dichotomum | F. W. Peirson | 1926-4-3 | 6608 | Lake | 3.3 miles north of Middletown. | Comment | |||
RSA91549 | Trifolium depauperatum | F. W. Peirson, Mabel B. Peirson | 1926-4-2 | 6589 | Lake | West end of Clear Lake. | Comment | |||
RSA91558 | Trifolium breweri | F. W. Peirson | 1926-6-21 | 6770 | Butte | Butte Meadow, Humboldt Road. | Comment | |||
RSA91560 | Trifolium breweri | F. W. Peirson | 1941-7-27 | 13105 | Del Norte | About 10 miles below Patricks Camp. | Comment | |||
RSA91580 | Schoenoplectus maritimus | F. W. Peirson | 1918-03 | 1618 | Riverside | Mecca. | Comment | |||
RSA91591 | Carex buxbaumii | F. W. Peirson | 1940-8-19 | 12946 | Inyo | Rock Creek Basin, northern Inyo Co., defile cutting across lower part of Transverse Ridge. | Comment Read comments Dec 19 2011 |
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RSA91624 | Trisetum spicatum | F. W. Peirson | 1930-8-5 | 9103 | Inyo | Gorge east of Mono Pass, Rock Creek Lake Basin, northern Inyo County. | Comment | |||
RSA91695 | Gnaphalium palustre | F. W. Peirson | 1315 | Los Angeles | Sink at Inglewood. | Comment | ||||
RSA91709 | Gnaphalium beneolens | F. W. Peirson | 1925-10-3 | 6451 | Marin | Near south foot of Mt. Tamalpais | Comment | |||
RSA91714 | Pseudognaphalium californicum | F. W. Peirson | 1929-5-17 | 8375 | Santa Barbara | On sand dunes at Surf. | Comment | |||
RSA91975 | Hierochloe occidentalis | F. W. Peirson | 1923-6-27 | s.n. | Monterey | Seventeen Mile Drive | Comment | |||
RSA92117 | Carex nebrascensis | F. W. Peirson | 1935-7-28 | 11716 | Alpine | Foot of Red Lake. | Comment | |||
RSA92127 | Eleocharis parishii | F. W. Peirson | 1930-5-31 | 8911 | Los Angeles | Below Lovejoy Dam, Lovejoy Buttes, southwestern Mojave Desert. | Comment | |||
RSA92138 | Eleocharis quinqueflora | F. W. Peirson | 1937-8-3 | s.n. | Inyo | Above Long Lake, Rock Creek Lake Basin. | Comment | |||
RSA92160 | Scirpus diffusus | F. W. Peirson | 1926-6-21 | 6769 | Butte | Butte Meadow, Humboldt Road. | Comment | |||
RSA92163 | Schoenoplectus californicus | F. W. Peirson | 1918-4-28 | 1612 | Los Angeles | Road east and south of El Monte. | Comment | |||
RSA92180 | Layia platyglossa subsp. platyglossa | F. W. Peirson | 1927-4-12 | 7135 | Santa Barbara | Santa Cruz Island. Lady's Harbor, | Comment | |||
RSA92183 | Layia jonesii | F. W. Peirson | 1925-3-25 | 5687 | San Luis Obispo | Between Morro and San Luis Obispo | Comment | |||
RSA92186 | Lagophylla ramosissima | F. W. Peirson | 1358 | Los Angeles | Montana St. Pasadena | Comment | ||||
RSA92191 | Amblyopappus pusillus | Mabel Peirson | 1922-4-7 | 1392 | Los Angeles | San Pedro. | Comment | |||
RSA92212 | Palafoxia arida var. arida | F. W. Peirson | 1914-04 | 1381 | Riverside | Whitewater at head of Coachella Valley. | Comment | |||
RSA92218 | Pectis papposa | F. W. Peirson | 1938-11-12 | 92218 | Imperial | Along boilevard to Imperial Valley directly opposite the road to Mecca. | 0 | Comment Read comments Feb 20 2013 |
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RSA92222 | Perityle emoryi | F. W. Peirson | 1907-7-1 | 1368 | Los Angeles | Catalina Island. | Comment | |||
RSA92257 | Layia platyglossa subsp. campestris | F. W. Peirson | 1923-4-9 | 3430 | Los Angeles | San Clemente Island: Wilson's Cove | Comment | |||
RSA92379 | Psilocarphus tenellus | F. W. Peirson | 1918-5-5 | 1303 | Los Angeles | Brents on the Malibu, Santa Monica Mountains. | Comment | |||
RSA92417 | Coreopsis bigelovii | F. W. Peirson | s.n. | Los Angeles | Benedicts Canyon, Santa Monica Mts | Comment | ||||
RSA92445 | Panicum urvilleanum | F. W. Peirson | 1922-5-14 | 2965 | San Bernardino | along bank north of railroad tracks, Barstow | Comment | |||
RSA92447 | Echinochloa muricata var. microstachya | F. W. Peirson | 1920-7-28 | 2216 | Santa Barbara | Canada del Refugio, at sea level. | 0 | Comment | ||
RSA92483 | Helianthus cusickii | F. W. Peirson | 1926-6-26 | 6902 | Modoc | between Alturas and Canby | Comment | |||
RSA92486 | Helianthus niveus subsp. tephrodes | F. W. Peirson | 1927-4-15 | 7197 | Imperial | Sand dunes west of Yuma. | Comment | |||
RSA92512 | Rudbeckia californica | F. W. Peirson | 1914-8-13 | 1324 | Fresno | Fish Creek tributary to San Joaquin River, Sierra Nevada. | Comment | |||
RSA92518 | Verbesina encelioides subsp. exauriculata | F. W. Peirson | 1923-6-25 | 3898 | Ventura | On Calabasas Road, 10 miles east of Ventura | Comment | |||
RSA92528 | Bahiopsis parishii | F. W. Peirson | 1930-4-16 | 8748 | San Bernardino | about 10 miles north of Goffs on Cima Road, eastern San Bernardino Co. | Comment | |||
RSA92535 | Eriophyllum staechadifolium var. depressum | F. W. Peirson | 1934-3-28 | 11079 | Santa Barbara | Santa Cruz Island. Diablo Canyon, about 1 mile west of Frye's Harbor | Comment | |||
RSA92537 | Eriophyllum staechadifolium | F. W. Peirson | 1912-1 | 1385 | Monterey | Monterey | Comment | |||
RSA92631 | Monolopia lanceolata | F. W. Peirson | 1929-5-18 | 8401 | San Luis Obispo | Cuyama Valley Road, ca. 62 miles east of the Coast Boulevard | Comment | |||
RSA92670 | Eriophyllum lanatum var. grandiflorum | F. W. Peirson | 1926-6-21 | 6766 | Butte | About 10 miles east of Chico on Humboldt Road | Comment | |||
RSA92673 | Eriophyllum lanatum var. achilleoides | F. W. Peirson | 1923-7-13 | 3913 | Del Norte | 7 miles N of Gasquet. | Comment | |||
RSA92676 | Eriophyllum lanatum var. arachnoideum | F. W. Peirson | 1926-7-12 | 7029 | Humboldt | West slope of Coast Range back of Orick. | Comment | |||
RSA92840 | Hemizonia arida | F. W. Peirson | 1927-5-29 | 7337 | Kern | Red Rock Canyon, Southwestern Kern County | Comment | |||
RSA92846 | Madia madioides | F. W. Peirson | 1923-6-29 | 5283 | Santa Cruz | Along boulevard, Santa Cruz Mountains | Comment | |||
RSA92869 | Urtica urens | F. W. Peirson | 1919-10 | 1713 | Los Angeles | weed in Altadena. | Comment | |||
RSA92900 | Madia madioides | F. W. Peirson | 1941-7-23 | 13083 | Mendocino | About 2 miles back from beach, Van Damme State Park | Comment | |||
RSA92990 | Lasthenia coronaria | F. W. Peirson | 1912-03 | s.n. | Los Angeles | Rubio Wash, south base of San Gabriel Mountains | Comment | |||
RSA93017 | Lasthenia minor | F. W. Peirson | 1925-3-19 | 5519 | Kern | Caliente Creek near foot of Tehachapi Grade. | Comment | |||
RSA93086 | Pluchea odorata | F. W. Peirson | 1924-8-24 | 5093 | Los Angeles | Road from Artesia to Hungtington Beach. | Comment | |||
RSA93200 | Baccharis salicifolia | F. W. Peirson | 1926-4-1 | 6557 | Mendocino | Banks of Russian River, Hopland | Comment | |||
RSA93203 | Baccharis salicifolia | F. W. Peirson | 1924-12-3 | 5384 | Los Angeles | San Gabriel Wash at Foothill Boulevard, Azusa. | Comment | |||
RSA93206 | Baccharis salicifolia | F. W. Peirson | 1904-9-5 | s.n. | Los Angeles | Verdugo Canyon, Verdugo Mountains | 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 | |||
RSA93315 | Aster breweri | F. W. Peirson | 1931-8-7 | 9522 | El Dorado | Near Grass Lake, Glen Alpine Creek Basin | Comment | |||
RSA93319 | Heterotheca oregona var. rudis | F. W. Peirson | 1926-7-13 | 7051 | Humboldt | Near Blue Lake, Mad River | Comment | |||
RSA93325 | Xylorhiza cognata | F. W. Peirson | 1927-4-13 | 7258 | Riverside | Painted Canyon, near Mecca | Comment | |||
RSA93327 | Xylorhiza cognata | F. W. Peirson | 1927-4-12 | 7159 | Riverside | Painted Canyon, near Mecca | Comment | |||
RSA93332 | Kelloggia galioides | F. W. Peirson | 1923-7-19 | 4501 | Siskiyou | 16 miles S of Bray. | Comment | |||
RSA93345 | Xylorhiza tortifolia | F. W. Peirson | 1926-4-26 | 6662 | Los Angeles | 5 miles west of Rock Creek, Mohave Desert. | Comment | |||
RSA93347 | Xylorhiza tortifolia | F. W. Peirson | 1917-5-13 | 1269 | San Bernardino | West of Victorville. | Comment | |||
RSA93352 | Aster bernardinus | F. W. Peirson | 1924-8-29 | 5065 | Orange | roadside 4 miles south of Santa Ana. | Comment | |||
RSA93388B | Symphoricarpos mollis | F. W. Peirson | 1923-6-27 | 3864 | Monterey | Redwood Creek at Notrey's [Notley's] Landing. | Comment | |||
RSA93669 | Antennaria argentea | F. W. Peirson | 1908-7-10 | 1305 | Tulare | Tule River, Sierra Nevada. | Comment | |||
RSA93685 | Ambrosia psilostachya | F. W. Peirson | 1919-11-15 | 1318 | Los Angeles | East Villa St. near Allen St. Pasadena. | Comment | |||
RSA93716 | Brickellia arguta var. odontolepis | F. W. Peirson | 1928-4-20 | 7851 | San Diego | canyon of San Felipe Creek, Sentenac Canyon, E San Diego Co. | Comment | |||
RSA93723 | Ageratina occidentalis | F. W. Peirson | 1926-7-13 | 7052 | Humboldt | Near Blue Lake, Mad River | Comment | |||
RSA93743 | Aster subulatus var. ligulatus | F. W. Peirson | 1924-10-19 | 5240 | Orange | Wintersberg | Comment | |||
RSA93746 | Aster radulinus | F. W. Peirson | 1923-7-10 | 3881 | Humboldt | Garberville. | Comment | |||
RSA93765 | Geraea canescens | F. W. Peirson | 1918-03 | 1333 | Riverside | Irrigated field near Indio. | 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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RSA93769 | Helianthus niveus subsp. canescens | F. W. Peirson | 1918-03 | 1329 | Riverside | Irrigated field near Indio. | Comment | |||
RSA93831 | Chaenactis carphoclinia var. carphoclinia | F. W. Peirson | 1927-5-30 | 7343 | Kern | Petrified Forest Canyon, Western Mojave Desert. | Comment | |||
RSA93870 | Helenium puberulum | F. W. Peirson | 1920-7-29 | 3210 | San Luis Obispo | 1 mile S of Pismo Beach. | Comment | |||
RSA93918 | Xanthium strumarium | F. W. Peirson | 1920-8-1 | 2237 | Ventura | 6 miles west of Ventura | 0 | Comment | ||
RSA93928 | Ambrosia dumosa | F. W. Peirson | 1920-2-16 | 1319 | Riverside | Colorado Desert. Garden of Eden east of Palm Springs. | Comment | |||
RSA93935 | Ambrosia acanthicarpa | F. W. Peirson | 1919-10-26 | 271 | Los Angeles | Rubio Reservoir, south base of San Gabriel Mts. | Comment | |||
RSA93955 | Hymenoclea salsola | F. W. Peirson | 1927-4-17 | 7232 | San Diego | Summit of Mountain Springs Grade. | Comment | |||
RSA93957 | Hymenoclea salsola | F. W. Peirson | 1914-04 | 2494 | Riverside | Whitewater at head of Coachella Valley. | Comment | |||
RSA93959 | Pyrrocoma uniflora var. uniflora | F. W. Peirson | 1914-8-25 | 1241 | Mono | Crooked Creek, Northern part of Volcanic Tableland | Comment | |||
RSA94086 | Psathyrotes ramosissima | F. W. Peirson | 1918-03 | 1426 | Riverside | Between Palm Springs and Indio. | Comment Read comments Feb 22 2009 |
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RSA94175 | Hemizonia clementina | F. W. Peirson | 1923-4-9 | 3459 | Los Angeles | 2 miles SE of Wilson's Cove, San Clemente Island. | Comment Read comments May 29 2013 |
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RSA94177 | Hemizonia lutescens | F. W. Peirson | 1925-10-3 | 6457 | Marin | Trail along N foot of Mt. Tamalpais. | Comment | |||
RSA94179 | Hemizonia luzulifolia | F. W. Peirson, Mabel Peirson | 1920-7-30 | 2232 | San Luis Obispo | Near Morro. | Comment | |||
RSA94366 | Madia elegans | F. W. Peirson | 1925-8-10 | 6412 | Mendocino | Grade down to the stream at Albion | Comment | |||
RSA94380 | Eastwoodia elegans | F. W. Peirson | 1929-5-18 | 8405 | Kern | a sonsiderable colony on rolling hills on lower part of grade on N slope of Tehachapi Pass. | Comment | |||
RSA94383 | Dyssodia cooperi | F. W. Peirson | 1922-5-12 | 2986 | San Bernardino | 3 miles SW of Barstow on the Victorville Rd. | Comment | |||
RSA94561 | Senecio californicus | F. W. Peirson | 1928-4-20 | 7857 | San Diego | San Felipe creek near foot of Sentenac Canyon , eastern San Diego Co. | Comment | |||
RSA94613 | Syntrichopappus fremontii | F. W. Peirson | 1928-4-2 | 7806 | Inyo | 18 miles north of Ryan, Death Valley region. | Comment | |||
RSA94616 | Trichoptilium incisum | F. W. Peirson | 1927-4-14 | 7189 | Imperial | Canyon near east end of Santa Rosa Mountains, 8 miles from Imperial Valley Boulevard. | Comment | |||
RSA94620 | Venegasia carpesioides | F. W. Peirson | 1925-3-26 | 5716 | Santa Barbara | El Capitan Camp, on seashore northwest of Santa Barbara | Comment | |||
RSA94623 | Whitneya dealbata | F. W. Peirson | 1926-6-23 | 6833 | Shasta | Trail to summit of Lassen Peak, Lassen National Park | Comment | |||
RSA94665 | Senecio mohavensis | F. W. Peirson | 1927-4-12 | 7156 | Riverside | In Painted Canyon near Mecca. | Comment | |||
RSA94669 | Senecio douglasii var. monoensis | F. W. Peirson | 1927-5-8 | 7294 | San Bernardino | Half way between Victorville and Barstow. | Comment | |||
RSA94685 | Senecio lyonii | F. W. Peirson | 1923-4-12 | 3478 | Los Angeles | Wilson's Cove, San Clemente Island. | Comment | |||
RSA94687 | Senecio aphanactis | F. W. Peirson | 1934-3-25 | 11033 | Santa Barbara | Santa Cruz Island. West of Fryes Harbor | Comment | |||
RSA94713 | Senecio flaccidus var. douglasii | F. W. Peirson | 1924-6-26 | 4875 | San Diego | Laguna Mountains. Lower part of Vallecito Canyon. | Comment | |||
RSA94831 | Trixis californica | F. W. Peirson | 1928-3-24 | 7745 | San Diego | San Felipe Creek, 2 miles below Sentenac Canyon, eastern SD county. | Comment | |||
RSA94834 | Centaurea solstitialis | F. W. Peirson | 1923-7-20 | 3929 | Tehama | Red Bluff | Comment | |||
RSA94870 | Arnica nevadensis | F. W. Peirson | 1925-7-5 | 6276 | El Dorado | Near summit of Mt. Tallac, Sierra Nevada | Comment | |||
RSA94898 | Arnica amplexicaulis | F. W. Peirson | 1914-8-16 | 1417 | Madera | Minaret Creek, Sierra Nevada | Comment | |||
RSA94955 | Malacothrix saxatilis var. tenuifolia | F. W. Peirson | 1919-11-8 | 1482 | Orange | Aliso Creek. | 0 | Comment | ||
RSA95000 | Agoseris glauca var. dasycephala | F. W. Peirson | 1926-6-25 | 6884 | Modoc | Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. | Comment | |||
RSA95061 | Rafinesquia neomexicana | F. W. Peirson | 1920-2-16 | 2762 | Riverside | Garden of Eden at Palm Springs | Comment | |||
RSA95081 | Microseris douglasii subsp. platycarpha | F. W. Peirson | 1908-4-18 | 1464 | Los Angeles | Point Fermin. | Comment | |||
RSA95090 | Calycoseris wrightii | F. W. Peirson | 1935-4-18 | 11490 | San Bernardino | Copper basin creek, Whipple Mtns., eastern San Bernardino county | Comment | |||
RSA95093 | Calycoseris parryi | F. W. Peirson | 1917-5-14 | 1484 | San Bernardino | Cajon Pass. | Comment | |||
RSA95096 | Calycoseris parryi | F. W. Peirson | 1930-4-14 | 8706 | San Bernardino | About 3 miles north of Cave Spring. | Comment | |||
RSA95128 | Glyptopleura setulosa | F. W. Peirson | 1926-4-27 | 6673 | San Bernardino | Near Llano | Comment | |||
RSA95139 | Crepis intermedia | F. W. Peirson | 1926-6-25 | 6873 | Modoc | Summit of grade, Cedarville Pass, Warner Mountains. | Comment | |||
RSA95201 | Sidalcea calycosa subsp. rhizomata | F. W. Peirson | 1923-7-7 | 3773 | Mendocino | 1 mile north of Navarro River | Comment | |||
RSA95225 | Stephanomeria cichoriacea | F. W. Peirson | 1918-9-15 | 249 | Los Angeles | Lukens Peak trail, San Gabriel Mountains. | Comment | |||
RSA95252 | Taraxacum laevigatum | F. W. Peirson | 1924-6-25 | 4836 | San Diego | Laguna Lakes Region, Laguna Mountains. | Comment | |||
RSA95266 | Sidalcea oregana subsp. spicata | F. W. Peirson | 1923-7-11 | 3778 | Humboldt | Along road 7 miles north of Arcata. | Comment | |||
RSA95300 | Hibiscus denudatus | F. W. Peirson | 1928-3-24 | 7734 | San Diego | San Felipe Creek, Sentenac Canyon, eastern San Diego Co. | Comment | |||
RSA95303 | Rhamnus californica subsp. occidentalis | F. W. Peirson | 1923-7-13 | 3764 | Del Norte | 4 miles north of Gasquet. | Comment | |||
RSA95306 | Rhamnus pirifolia | F. W. Peirson | 1934-3-28 | 11082 | Santa Barbara | Santa Cruz Island. Diablo Canyon, about 1 mile west of Frye's Harbor | Comment | |||
RSA95372 | Sidalcea malviflora subsp. malviflora | F. W. Peirson | 1923-6-27 | 3780 | Monterey | Monterey coast. | Comment | |||
RSA95381 | Sidalcea malviflora subsp. nana | F. W. Peirson | 1923-7-13 | 3775 | Del Norte | 4 miles northeast of Gasquet. | Comment | |||
RSA95393 | Ceanothus verrucosus | F. W. Peirson | 734 | San Diego | Torrey Pines, coast of San Diego | Comment | ||||
RSA95396 | Ceanothus foliosus | F. W. Peirson, Mabel Peirson | 1926-4-2 | 6571 | Lake | Hopland Grade | Comment | |||
RSA97149 | Lomatium marginatum | F. W. Peirson | 1926-4-3 | 6607 | Lake | 3.3 mi N of Middletown. | Comment | |||
RSA97375 | Sanicula bipinnatifida | F. W. Peirson | 1925-3-23 | 5645 | Fresno | On road from Coalinga to Parkfield | Comment | |||
RSA97377 | Sanicula bipinnatifida | F. W. Peirson | s.n. | Los Angeles | hills near Shorb, Los Angeles Co. | Comment | ||||
RSA97379 | Sanicula bipinnata | F. W. Peirson | 2795 | Los Angeles | Santa Monica, Los Angeles. | Comment | ||||
RSA97404 | Torilis nodosa | F. W. Peirson | 1923-7-8 | s.n. | Mendocino | Ten-Mile River, about 5 miles from mouth | Comment | |||
RSA97417 | Tauschia parishii | F. W. Peirson | 1926-5-1 | 6710 | San Diego | open places about the summit of Palomar Mountain. | Comment | |||
RSA97419 | Tauschia arguta | F. W. Peirson | 1908-05 | 134 | Los Angeles | Eaton Canyon at south base of mountains. | Comment | |||
RSA97425 | Ligusticum grayi | F. W. Peirson | 1939-8-13 | 12887 | Alpine | Frog Lake, Woods Lake Region, Sierra Nevada, Alpine County | Comment | |||
RSA97429 | Arceuthobium campylopodum | F. W. Peirson | 1909-08 | 1721 | San Bernardino | South Fork of Santa Ana River. | Comment | |||
RSA97432 | Lomatium mohavense subsp. mohavense | F. W. Peirson | 1926-4-26 | 6655 -a | Los Angeles | about 1 mile east of Palmdale | Comment | |||
RSA97447 | Phoradendron pauciflorum | F. W. Peirson | 1909-08 | 1718 | San Bernardino | on Abies concolor; South Fork of Santa Ana River. | Comment | |||
RSA97463 | Perideridia parishii subsp. latifolia | F. W. Peirson | 817 | Los Angeles | Laurel Canyon, Santa Monica Mts. | Comment | ||||
RSA97466 | Perideridia kelloggii | F. W. Peirson | 1925-8-8 | 6343 | Sonoma | 5 miles south of Santa Rosa | Comment | |||
RSA97813 | Ligusticum californicum | F. W. Peirson | 1923-7-13 | 3944 | Del Norte | 10 miles northeast of Gasquet | Comment | |||
RSA98325 | Oenanthe sarmentosa | F. W. Peirson | 1923-7-7 | 3941 | Mendocino | Navarro River within one mile of ocean | Comment | |||
RSA991825 | Cenchrus echinatus | F. W. Peirson | 1922-4-12 | 2913 | Imperial | 28 miles south of Coachella. | Comment | |||
RSA99354 | Symphoricarpos vaccinioides | F. W. Peirson | 1932-7-11 | 10225 | Shasta | Forest borders about the lakes, Thousand-Lake Basin. | Comment | |||
SD87628 | Wyethia mollis | Frank W. Peirson | 1925-6-26 | 6089 | Mono | Northern part of Volcanic Tableland | Comment | |||
SD87656 | Trifolium dichotomum | Frank W. Peirson | 1926-4-2 | 6579 | Lake | 0.5 miles south of Clear Lake, open roadside | Comment | |||
SD87658 | Crepis monticola | Frank W. Peirson | 1926-6-22 | 6829 | Lassen | Lassen National Park | Comment | |||
SD87685 | Allium peninsulare | Frank W. Peirson | 1923-5-21 | Los Angeles | San Gabriel Mountains, Fish Canyon. | Comment | ||||
SD87711 | Castilleja exserta subsp. latifolia | Frank W. Peirson | 1936-7-15 | 11834 | Marin | Point Reyes, open sea bluffs near the lighthouse | Comment | |||
SD87744 | Chaenactis carphoclinia | Frank W. Peirson | 1927-5-30 | 7343 | Kern | At Petrified Forest | Comment | |||
SD87876 | Eriogonum fasciculatum var. fasciculatum | F. W. Peirson | 1924-2-10 | 4527 | Unknown | Corona del Mar, back from beach | Comment Read comments Dec 18 2011 |
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SEINET10463313 | Campanula prenanthoides | Frank W. Peirson | 1926-7-11 | Peirson 7023 | Siskiyou | HALF WAY UP GRADE, GRADE W OF ETNA OR ETNA MILLS | Comment | |||
SEINET10840483 | Heterocodon rariflorum | Frank W. Peirson | 1921-6-14 | Peirson 1210 | Los Angeles | TRAIL FORK OF SAN GABRIEL RIVER | 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 | |||
SEINET12057104 | Calochortus invenustus | F. Peirson, Peirson, M. | 1908-1 | s.n. | Tulare | Sierra Nevada, Volcano Creek [Volcanic?] | Comment | |||
UC908166 | Navarretia intertexta | Frank W. Peirson | 1925-1-1 | El Dorado | s side Lake Tahoe; Sierra Nevada | Comment | ||||
RSA84589 | Heuchera micrantha var. diversifolia | F. W. Peirson | 1937-7-19 | 12096 | Monterey | Along trail up the river at 100-200ft, Big Sur River | 30 | Comment | ||
RSA77813 | Pholisma sonorae | Mabel Peirson | 1932-3-21 | 9781 | Imperial | Holtville to Yuma Rd. | 61 | Comment | ||
RSA90378 | Lotus strigosus | F. W. Peirson | 1934-3-25 | 11027 | Santa Barbara | West of canyon to Frye's Harbor, Santa Cruz Island. | 61 | Comment | ||
POM17780 | Verbena menthifolia | F. W. Peirson | 1923-3-27 | 3379 | San Diego | Otay Creek. | 76 | Comment | ||
RSA93687 | Ambrosia confertiflora | F. W. Peirson | 1932-9-4 | 10460 | San Diego | 3 miles east of Chula Vista. | 76 | Comment | ||
RSA95006 | Malacothrix glabrata | F. W. Peirson | 1928-4-20 | 8662 | San Diego | Borrego Valley, 1 mile E of entrance to Palm Canyon Park, Colorado Desert. | 76 | Comment | ||
RSA65740 | Sesuvium verrucosum | F. W. Peirson | 1924-5-31 | 4655 | Orange | Laguna Canyon, near Laguna Beach | 106 | Comment | ||
SD87554 | Cuscuta campestris | Frank W. Peirson | 1932-11-26 | 9659 | Riverside | Just south of Palm Grove, 1000 Palms. | 120 | 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 | ||
UC501518 | Tidestromia oblongifolia | Frank W. Peirson | 1924-12-30 | 5416 | Riverside | 1000-Palms. North of the Palm Grove. | 121 | Comment | ||
POM48555 | Asclepias subulata | F. W. Peirson | 1924-12-30 | 5420 | Riverside | Thousand-Palms Canyon, north side of Coachella Valley. | 122 | Comment | ||
RSA65363 | Atriplex canescens var. laciniata | F. W. Peirson | 1924-12-30 | s.n. | Riverside | Thousand Palms Canyon, Coachella Valley. | 122 | Comment | ||
RSA69622 | Juncus acutus subsp. leopoldii | F. W. Peirson | 1924-12-30 | 5409 | Riverside | Thousand-Palms Canyon, north side of Coachella Valley. | 122 | Comment | ||
RSA70006 | Tidestromia oblongifolia subsp. oblongifolia | F. W. Peirson | 1924-12-30 | 5416 | Riverside | Thousand-Palms Canyon, Colorado Desert | 122 | Comment | ||
RSA79829 | Keckiella antirrhinoides | F. W. Peirson | 1922-5-18 | 3027 | Orange | Santa Ana River. | 122 | Comment | ||
RSA86723 | Aristida adscensionis | F. W. Peirson | 1932-3-21 | 9786 | Imperial | 3 mi. north of Ogilby. | 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 | ||
RSA91217 | Krameria grayi | F. W. Peirson | 1932-3-21 | 9785 | Imperial | 3 mi. north of Ogilby. | 122 | Comment | ||
RSA91372 | Psorothamnus emoryi | F. W. Peirson | 1924-12-30 | 5417 | Riverside | Thousand-Palms Canyon, Colorado Desert | 122 | Comment | ||
RSA92101 | Cyperus laevigatus | F. W. Peirson | 1924-12-30 | 5405 | Riverside | Thousand-Palms Canyon, Colorado Desert | 122 | Comment | ||
RSA93922 | Dicoria canescens | F. W. Peirson | 1924-12-30 | 5425 | Riverside | Thousand-Palms Canyon, edge of Coachella Valley. | 122 | Comment | ||
RSA95204 | Microseris heterocarpa | F. W. Peirson | 1923-3-28 | 3393 | San Diego | 6 miles North of San Diego | 122 | Comment | ||
CAS-BOT-BC177824 | Astragalus curtipes | Frank W. Peirson | 1925-3-25 | 5675 | San Luis Obispo | Morro Creek | 152 | Comment | ||
POM47667 | Leymus triticoides | F. W. Peirson | 1924-6-1 | 4678 | Riverside | River lands along Santa Ana River. | 152 | Comment | ||
RSA80320 | Hydrocotyle ranunculoides | F. W. Peirson | 1920-6-22 | 2168 | San Bernardino | Chino Creek | 152 | Comment | ||
RSA80326 | Hydrocotyle umbellata | F. W. Peirson | 1920-6-22 | 814 | San Bernardino | Chino Creek | 152 | Comment | ||
RSA80387 | Daucus carota | F. W. Peirson | 1920-6-22 | 2188 | Los Angeles | Roadside near Chino Creek, southeastern Los Angeles | 152 | Comment | ||
RSA82234 | Castilleja affinis | F. W. Peirson | 1923-3-25 | 3376 | Orange | Aliso Canyon, near Laguna Beach. | 152 | Comment | ||
RSA82985 | Stachys bullata | F. W. Peirson | 1925-3-25 | 5676 | San Luis Obispo | Morro Creek. | 152 | Comment | ||
RSA83931 | Ranunculus californicus | F. W. Peirson | 1922-4-28 | 4305 | San Bernardino | Chino Creek, south of Chino | 152 | Comment | ||
RSA84220 | Dudleya multicaulis | F. W. Peirson | 1922-5-18 | 3071 | Orange | Santa Ana River Canyon | 152 | Comment Read comments Apr 1 2009 |
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RSA87368 | Muhlenbergia microsperma | F. W. Peirson | 1932-3-22 | 9805 | Imperial | Midway Well. | 152 | Comment | ||
UC635494 | Calandrinia ambigua | Frank W. Peirson | 1926-2-22 | 6512 | Riverside | rocky hills along summits 1000-Palm Canyon | 152 | Comment | ||
UC908900 | Gilia stellata | Frank W. Peirson | 1932-3-22 | 9803 | Imperial | Midway Well Midway Well (eastern Imperial County) | 152 | Comment | ||
UCR129700 | Zigadenus venenosus | F. W. Peirson | 1923-3-26 | 4102 | San Diego | South Coast, southward from Torrey Pines | 152 | Comment | ||
RSA68977 | Plantago bigelovii subsp. californica | F. W. Peirson | 1925-3-26 | 5709 | Santa Barbara | Between La Purisima Mission and Buellton. | 152 | Comment | ||
RSA69409 | Delphinium parryi subsp. blochmaniae | F. W. Peirson | 1929-5-18 | 8389 | Santa Barbara | 10 miles east of Lompoc on road to Buellton. | 152 | Comment | ||
RSA80310 | Orthocarpus densiflorus | F. W. Peirson | 1929-5-18 | 8390 | Santa Barbara | 10 miles east of Lompoc on road to Buellton. | 152 | Comment | ||
RSA90201 | Alopecurus saccatus | F. W. Peirson | 1925-3-26 | 5706 | Santa Barbara | Between La Purisima Mission and Buellton. | 152 | Comment | ||
RSA91428 | Marina parryi | F. W. Peirson | 1932-3-22 | 9802 | Imperial | Midway Well | 152 | Comment | ||
RSA91439 | Psorothamnus spinosus | F. W. Peirson | 1921-4-13 | 568 | Riverside | Deep Canyon Wash, about 12 miles SE of Palm Springs. | 152 | Comment | ||
RSA95364 | Ceanothus megacarpus | F. W. Peirson | 1925-3-27 | 5721 | Santa Barbara | hills back of Santa Barbara | 152 | Comment | ||
UC501458 | Clarkia cylindrica subsp. cylindrica | Frank W. Peirson | 1929-5-18 | 8391 | Santa Barbara | 12 mi e Lompoc | 152 | Comment | ||
PASA2274 | Ribes speciosum | Frank W. Peirson | 1925-3-26 | Santa Barbara | Gaviota Pass | 182 | Comment | |||
RSA76970 | Condalia globosa var. pubescens | F. W. Peirson | 1932-3-21 | 9794 | Imperial | 24 miles north of Ogibly | 183 | Comment | ||
RSA82987 | Stachys bullata | F. W. Peirson | 1925-3-26 | 5711 | Santa Barbara | Side canyon at Gaviota Pass. | 183 | Comment | ||
RSA85783 | Drymocallis glandulosa var. wrangelliana | F. W. Peirson | 1935-3-26 | 5713 | Santa Barbara | Side canyon, Gaviota Pass. | 183 | Comment | ||
CAS-BOT-BC178567 | Vulpia myuros var. myuros | F. W. Peirson | 1921-3-6 | 2360 | Los Angeles | San Gabriel Wash | 213 | Comment | ||
RSA66747 | Eschscholzia minutiflora | F. W. Peirson | 1921-3-20 | 4175 | Riverside | Andreas Canyon near Palm Springs | 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 | ||
RSA77698 | Ceanothus oliganthus var. sorediatus | F. W. Peirson | 1920-4-26 | 732 | Los Angeles | Santa Anita Wash, S base of San Gabriel Mts. | 213 | Comment | ||
RSA79860 | Penstemon spectabilis subsp. subviscosus | F. W. Peirson | 1920-4-28 | 206 | Los Angeles | San Anita Wash, south base of San Gabriel Mountains. | 213 | Comment | ||
RSA66758 | Lepidium dictyotum | F. W. Peirson | 1925-3-21 | 5576 | Tulare | Lewis Creek, near Lindsay. | 213 | Comment | ||
RSA70135 | Triteleia laxa | F. W. Peirson | 1925-3-21 | 5578 | Tulare | Lewis Creek, near Lindsay. | 213 | Comment | ||
RSA70215 | Allium hyalinum | F. W. Peirson | 1925-3-21 | 5555 | Tulare | Lewis Creek, near Lindsay. | 213 | Comment | ||
RSA80454 | Plagiobothrys nothofulvus | F. W. Peirson | 1925-3-21 | 5580 | Tulare | Lewis Creek, near Lindsay. | 213 | Comment | ||
RSA84855 | Sedella pumila | F. W. Peirson | 1925-3-21 | 5575 | Tulare | Lewis Creek, near Lindsay. | 213 | Comment | ||
RSA87050 | Lupinus benthamii var. benthamii | F. W. Peirson | 1925-3-21 | 5560 | Tulare | Lewis Creek, near Lindsay. | 213 | Comment | ||
UC501548 | Nama pusilla | Frank W. Peirson | 1932-5-10 | 9954 | San Bernardino | on the Death Valley Road 15 mi from Baker; Death Valley road, 15 mi from Baker | 213 | Comment | ||
UC501522 | Nolina parryi | Frank W. Peirson | 1922-5-18 | 3026 | Orange | canyon heading e at river Santa Ana River | 228 | Comment Read comments Nov 26 2007 |
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RSA67161 | Galium californicum subsp. maritimum | F. W. Peirson | 1937-7-19 | 12094 | Monterey | Along trail up the Big Sur River. | 229 | Comment | ||
JEPS18805 | Blennosperma nanum var. nanum | Frank W. Peirson | 1925-3-21 | 5581 | Tulare | near Lindsay; Lewis Creek | 243 | Comment | ||
RSA0070921 | Pentagramma maxonii | F. W. Peirson | 1921-3-20 | 5357 | Riverside | Andreas Canyon, near Palm Springs. | 243 | Comment | ||
RSA85930 | Isoetes nuttallii | F. W. Peirson | 1925-3-22 | 5603 | Tulare | About 4 miles below Springville. | 244 | Comment | ||
UCR142886 | Navarretia hamata subsp. hamata | F. W. Peirson | 1924-6-21 | 4770 | San Diego | Peninsular Range, benches SE of Pala [along Hwy 76 above the San Luis Rey River] | 244 | Comment | ||
RSA65503 | Minuartia douglasii | F. W. Peirson | 1925-3-21 | 5583 | Tulare | Lewis Creek near Lindsay | 244 | Comment | ||
RSA83934 | Ranunculus californicus var. rugulosus | F. W. Peirson | 1925-3-22 | 5608 | Tulare | 4 miles below Springville. | 244 | Comment | ||
RSA91078 | Trifolium depauperatum var. truncatum | F. W. Peirson | 1925-3-22 | 5607 | Tulare | About 4 miles below Springville. | 244 | Comment | ||
RSA83395 | Dudleya densiflora | F. W. Peirson | 1919-7-1 | 517 | Los Angeles | Fish Canyon | 274 | Comment | ||
SD70387 | Dudleya densiflora | Frank W. Peirson | 1919-7-1 | 517 | Los Angeles | Fish Canyon | 274 | Comment | ||
CAS-BOT-BC363120 | Rigiopappus leptocladus | F. W. Peirson | 1925-3-21 | 5596 | Tulare | Near stream of Lewis Creek, near Lindsay | 274 | Comment | ||
RSA0057560 | Thysanocarpus curvipes subsp. curvipes | Frank W. Peirson | 1925-3-21 | 5591 | Tulare | Lewis Creek, near Lindsay. | 274 | Comment | ||
RSA92885 | Populus fremontii subsp. fremontii | F. W. Peirson | 1925-3-21 | 5599 | Tulare | Lewis Creek near Lindsay. | 274 | Comment | ||
RSA73038 | Linanthus jonesii | F. W. Peirson | 1932-3-24 | 9827 | San Bernardino | Baker, along SW base of rock hill | 280 | Comment | ||
UC501466 | Gilia filiformis | Frank W. Peirson | 1932-3-24 | 9825 | San Bernardino | Baker | 280 | Comment | ||
RSA75120A | Nemacladus glanduliferus | F. W. Peirson | 1932-3-24 | s.n. | San Bernardino | Near the town of Baker. | 280 | Comment | ||
RSA75120B | Nemacladus orientalis | F. W. Peirson | 1932-3-24 | s.n.-b | San Bernardino | Near the town of Baker. | 280 | Comment | ||
RSA77194 | Eremalche rotundifolia | F. W. Peirson | 1932-3-24 | 9833 | San Bernardino | Near the town of Baker. | 280 | Comment | ||
RSA0024569 | Ribes quercetorum | F. W. Peirson | 1925-3-21 | 5598 | Tulare | Rocky side canyon, Lewis Creek near Lindsay. | 290 | Comment | ||
RSA93689 | Hesperevax acaulis | F. W. Peirson | 1925-3-21 | 5592 | Tulare | Lewis Creek near Lindsay | 290 | Comment | ||
RSA94066 | Hemizonia kelloggii | F. W. Peirson | 1924-6-21 | 4757 | Riverside | Temescal Canyon. | 290 | Comment | ||
CAS-BOT-BC407622 | Gilia ochroleuca subsp. exilis | Frank W. Peirson | 1928-3-24 | 7725 | Riverside | Temescal Canyon, near auto camp | 304 | Comment | ||
JEPS34678 | Venegasia carpesioides | Frank W. Peirson | 1925-4-18 | 5761 | Ventura | Sespe Creek | 304 | Comment | ||
JEPS43697 | Clarkia bottae | Frank W. Peirson | 1919-5-18 | 432 | Los Angeles | Monrovia Canyon San Gabriel Mountains | 304 | Comment | ||
SBBG28219 | Lomatium utriculatum | F. W. Peirson | 1921-2-26 | 2358 | Los Angeles | Topanga Cyn | 304 | Comment | ||
RSA0016300 | Gilia ochroleuca subsp. exilis | F. W. Peirson | 1928-3-24 | 7725 | Riverside | Temescal Canyon. | 305 | Comment | ||
RSA87195 | Lupinus excubitus var. hallii | F. W. Peirson | 1925-4-18 | 5752 | Ventura | Sespe Creek | 305 | Comment | ||
RSA90232 | Astragalus douglasii var. douglasii | F. W. Peirson | 1925-4-18 | 5758 | Ventura | Sespe Creek. | 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 | ||
CAS-BOT-BC185944 | Vulpia octoflora var. octoflora | F. W. Peirson | 1920-5-3 | 2124 | Los Angeles | Little Tujunga Wash, San Fernando Valley | 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 | ||
RSA80747 | Cryptantha racemosa | F. W. Peirson | 1921-3-23 | 2377 | Riverside | Deep Canyon south of Coachella Valley | 335 | Comment | ||
JEPS32343 | Euthamia occidentalis | Frank W. Peirson | 4161 | Los Angeles | Santa Clara River near Saugus | 350 | Comment | |||
PASA954 | Senecio mohavensis | Frank W. Peirson | 1922-4-13 | Imperial | Moutain Springs Grade | 365 | Comment | |||
JEPS5136 | Plectritis ciliosa subsp. insignis | Frank W. Peirson | 1925-4-23 | 5807 | Los Angeles | San Gabriel Canyon, below Forks San Gabriel Canyon | 365 | Comment | ||
RSA74922 | Phacelia imbricata subsp. imbricata | F. W. Peirson | 1905-5-28 | 974 | Los Angeles | Rubio Wash above New York Ave., Pasadena | 366 | Comment | ||
RSA82197 | Trichostema lanceolatum | F. W. Peirson | 1932-8-14 | 10415 | Tuolumne | Near Jamestown. | 366 | Comment | ||
RSA95064 | Hemizonia fitchii | F. W. Peirson | 1932-8-14 | 10413 | Tuolumne | Near Jamestown. | 366 | Comment | ||
RSA0098506 | Spergularia marina var. tenuis | F. W. Peirson | 1922-4-29 | 1867 | Riverside | South of Lake Elsinore. | 374 | Comment | ||
PASA2553 | Delphinium parryi | Frank W. Peirson | 1922-5-18 | 3051 | Riverside | Road south of Lake Elsinore | 377 | Comment | ||
RSA65578 | Spergularia platensis | F. W. Peirson | 1922-4-29 | 2926 | Riverside | South of Lake Elsinore. | 381 | Comment | ||
RSA66241 | Platystemon californicus | F. W. Peirson | 1922-4-29 | 2935 | Riverside | South of Lake Elsinore. | 381 | Comment | ||
JEPS61153 | Amsinckia intermedia | Frank W. Peirson | 1919-3-27 | 333 | Los Angeles | foot of Arroyo Seco Canyon; San Gabriel Mountains | 381 | Comment | ||
RSA0097301 | Spergularia atrosperma | F. W. Peirson | 1922-4-29 | 2953 | Riverside | South of Lake Elsinore. | 381 | Comment | ||
RSA65177 | Lastarriaea coriacea | F. W. Peirson | 1919-5-21 | 447 | Los Angeles | foot of canyon proper, on Arroyo Seco. | 381 | Comment | ||
RSA95238 | Microseris heterocarpa | F. W. Peirson | 1922-4-29 | 2951 | Riverside | South of Lake Elsinore. | 381 | Comment | ||
PASA1998 | Amsinckia douglasiana | Frank W. Peirson | 1921-3-22 | Riverside | Murray Canyon, Palm Springs Region | 396 | Comment | |||
PASA2165 | Brickellia nevinii | Frank W. Peirson | September, 1918 | Los Angeles | Near foot of Mt. Wilson Toll Road | 396 | Comment | |||
JEPS55857 | Lotus strigosus | Frank W. Peirson | 1919-3-27 | 351 | Los Angeles | Arroyo Seco San Gabriel Mountains | 396 | Comment | ||
RSA91979 | Pleuraphis rigida | F. W. Peirson | 1921-3-22 | 2369 | Riverside | Murray Canyon, near Palm Springs | 396 | Comment | ||
RSA92608 | Salix exigua | F. W. Peirson | 1919-3-30 | 355 | Los Angeles | Tujunga Canyon, west end of San Gabriel Mountains | 396 | Comment | ||
RSA92634 | Monolopia lanceolata | F. W. Peirson | 1919-3-30 | 526 | Los Angeles | on low hill near entrance to Tujunga Canyon | 396 | Comment | ||
JEPS40303 | Platanus racemosa | Frank W. Peirson | 1919-3-27 | 341 | Los Angeles | Arroyo Seco Canyon San Gabriel Mountains | 411 | Comment | ||
JEPS53579 | Erysimum capitatum var. capitatum | Frank W. Peirson | 1919-3-27 | 337 | Los Angeles | Arroyo Seco Canyon San Gabriel Mountains | 411 | Comment | ||
POM9734 | Equisetum telmateia var. braunii | F. W. Peirson | 1920-4-25 | s.n. | Los Angeles | Arroyo Seco, Pasadena | 411 | Comment Read comments Sep 26 2014 |
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RSA70061 | Juncus rugulosus | F. W. Peirson | 1924-8-23 | 5057 | Los Angeles | west fork of San Gabriel River | 411 | Comment | ||
RSA68975 | Plantago erecta | F. W. Peirson | 1919-3-27 | 329 | Los Angeles | Arroyo Seco near Pasadena | 412 | Comment | ||
JEPS5837 | Calandrinia breweri | Frank W. Peirson | 1919-3-27 | 357 | Los Angeles | hills w Arroyo Seco; San Gabriel Mountains | 426 | Comment | ||
JEPS62730 | Salvia leucophylla | Frank W. Peirson | 1919-5-11 | 412 | Los Angeles | Soledad Canyon San Gabriel Mts. (n slope of San Gabriel Mts) | 426 | Comment | ||
PASA1099 | Lotus micranthus | Frank W. Peirson | 1919-5-18 | 436 | Los Angeles | Monrovia Canyon, San Gabriel Mts. | 426 | Comment | ||
JEPS39205 | Layia platyglossa | F. W. Peirson | 1919-3-27 | 328 | Los Angeles | Hill w of Arroyo Seco; San Gabriel Mts. | 426 | Comment | ||
JEPS65553 | Melilotus albus | Frank W. Peirson | 1919-5-21 | 450 | Los Angeles | Arroyo Seco San Gabriel Mountains | 426 | Comment | ||
RSA66752 | Caulanthus heterophyllus var. heterophyllus | F. W. Peirson | 1919-3-17 | 4186 | Los Angeles | Hills west of Arroyo Seco, Pasadena | 426 | Comment | ||
UC573104 | Plagiobothrys trachycarpus | Frank W. Peirson | 1925-3-25 | 5669 | San Luis Obispo | Morro Creek Divide | 426 | Comment | ||
RSA74918 | Phacelia imbricata subsp. imbricata | F. W. Peirson | 1921-5-18 | 2827 | Los Angeles | summit of Newhall Grade, northwest end of San Gabriel Range. | 427 | Comment | ||
RSA84468 | Clematis pauciflora | F. W. Peirson | 1921-3-22 | s.n. | Riverside | Murray Canyon, near Palm Springs | 427 | Comment | ||
RSA86726 | Aristida purpurea var. nealleyi | F. W. Peirson | 1935-4-18 | 11499 | San Bernardino | Northern part of Whipple Mountains, road going down into Copper Basin | 427 | Comment | ||
UCR142549 | Parietaria hespera var. hespera | F. W. Peirson | 1920-2-15 | 1714 | Riverside | San Jacinto Mtns./Sonoran (Colorado) Desert, Tahquitz Canyon, near Palm Springs | 427 | Comment | ||
RSA65366 | Rumex acetosella | F. W. Peirson | 1919-5-18 | 1809 | Los Angeles | South slope of San Gabriel Mountains. Monrovia Canyon. | 427 | Comment | ||
RSA79568 | Cryptantha intermedia | F. W. Peirson | 1919-2-12 | 320 | Los Angeles | Hills west of Arroyo Seco, near Pasadena | 427 | Comment | ||
RSA90711 | Astragalus trichopodus var. lonchus | F. W. Peirson | 1923-9-8 | 4044 | Orange | Trabucco Canyon. | 427 | Comment | ||
RSA92401 | Bebbia juncea | F. W. Peirson | 1923-9-8 | 4043 | Orange | Trabucco Canyon. | 427 | Comment | ||
RSA95084 | Microseris douglasii subsp. douglasii | F. W. Peirson | 1922-4-30 | 2952 | Riverside | Plains one mile west of Lakeview, San Jacinto Valley | 427 | Comment | ||
RSA65360 | Atriplex canescens | F. W. Peirson | 1921-7-1 | 1811 | Los Angeles | Soledad Canyon, north base of San Gabriel Mountains. | 442 | Comment | ||
SD87755 | Diplacus calycinus | Frank W. Peirson | 1927-5-28 | 7309 | Kern | Kern River Road, 15 miles from Bakersfield, steep wooded canyon slope | 456 | Comment | ||
CAS-BOT-BC181570 | Crossosoma bigelovii | Frank W. Peirson | 1922-4-9 | s.n. | Riverside | Andreas Canyon - Colorado Desert | 457 | Comment | ||
CAS-BOT-BC213221 | Ayenia compacta | Frank W. Peirson | 1922-4-9 | 9600 | Riverside | Andreas Canyon, Palm Springs Region | 457 | Comment | ||
JEPS10622 | Castilleja exserta subsp. exserta | Frank W. Peirson | 1919-3-27 | 334 | Los Angeles | w of Arroyo Seco; San Gabriel Mountains | 457 | Comment | ||
JEPS1287 | Phacelia tanacetifolia | Frank W. Peirson | 1920-3-28 | 2101 | Los Angeles | Tujunga Canyon San Gabriel Mountains | 457 | Comment | ||
JEPS42284 | Ceanothus oliganthus var. oliganthus | Frank W. Peirson | 1927-3-19 | 7116 | Los Angeles | Seminole Hot Springs Region Santa Monica Mountains | 457 | Comment | ||
JEPS52365 | Chamaesyce serpyllifolia | Frank W. Peirson | 1921-6-20 | 2445 | Los Angeles | San Gabriel Mtns, San Gabriel River, North Fork | 457 | Comment | ||
JEPS53712 | Lepidium nitidum | Frank W. Peirson | 1925-3-19 | 5506 | Kern | n slope Tehachapi Pass | 457 | Comment | ||
JEPS55486 | Lotus heermannii | Frank W. Peirson | 1919-7-1 | 510 | Los Angeles | Fish Canyon San Gabriel Mountains | 457 | Comment | ||
JEPS75653 | Platystemon californicus | Frank W. Peirson | 1920-3-28 | 2103 | Los Angeles | Tujunga Canyon; San Gabriel Mountains, Tujunga Canyon | 457 | Comment | ||
PASA1246 | Poa bigelovii | Frank W. Peirson | 1921-3-22 | Riverside | Murray Canyon | 457 | Comment | |||
PASA625 | Juncus balticus | Frank W. Peirson | 1922-6-4 | Los Angeles | Soledad Canyon | 457 | Comment | |||
RSA100199 | Lonicera subspicata var. denudata | F. W. Peirson | 1920-6-22 | 217 | Riverside | Dripping Springs, Temecula River | 457 | Comment | ||
RSA65720 | Claytonia parviflora subsp. utahensis | F. W. Peirson | 1921-3-22 | 2389 | Riverside | Murray Canyon near Palm Springs. | 457 | Comment | ||
RSA66244 | Platystemon californicus | F. W. Peirson | 1925-3-19 | 5500 | Kern | North slope of Tehachapi Mountains. | 457 | Comment | ||
RSA69628 | Juncus balticus | F. W. Peirson | 1922-6-4 | 1642 | Los Angeles | Soledad Canyon, San Gabriel Mountains. | 457 | Comment | ||
RSA70225 | Allium haematochiton | F. W. Peirson | 1921-4-21 | 2841 | Los Angeles | Foot of San Dimas Canyon. | 457 | Comment | ||
RSA70560 | Croton californicus | F. W. Peirson | 1918-10-17 | 276 | Los Angeles | foot of Pacoima Canyon | 457 | Comment | ||
RSA72242 | Camissonia claviformis subsp. peirsonii | F. W. Peirson | 1922-4-13 | 2892 | Imperial | Mountain Spring Grade. | 457 | Comment | ||
RSA73363 | Clarkia unguiculata | F. W. Peirson | 1920-5-16 | 2086 | Los Angeles | Tujunga Canyon, west end of San Gabriel Mountains. | 457 | Comment | ||
RSA76934 | Simmondsia chinensis | F. W. Peirson | 1919-4-13 | 2049 | Riverside | Murray Canyon, Palm Springs Region. | 457 | Comment | ||
RSA77491 | Ceanothus spinosus | F. W. Peirson | 1929-4-21 | 8332 | Santa Barbara | San Marcus Pass. | 457 | 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 | ||
RSA87199 | Lupinus albifrons var. albifrons | F. W. Peirson | 1925-3-22 | 5612 | Tulare | Middle Fork of Tule River, Sierra Nevada. | 457 | Comment | ||
UC908751 | Saltugilia australis | Frank W. Peirson | 1928-4-19 | 7848 | Riverside | hills n Elsinore; hills n of Elsinore | 457 | Comment | ||
RSA0121585 | Eriastrum sapphirinum subsp. dasyanthum | F. W. Peirson | 1920-6-22 | 4474 | Riverside | Dripping Spring southeast of Temecula | 457 | Comment | ||
RSA65025 | Silene multinervia | F. W. Peirson | 1925-5-20 | 6013 | Riverside | Burned area in chaparral, 1 mile northwest of Dripping Spring, W. Riverside Co. | 457 | Comment | ||
RSA65616 | Cerastium glomeratum | F. W. Peirson | 1919-5-18 | 438 | Los Angeles | Hills east of Monrovia Canyon | 457 | Comment | ||
RSA70157 | Dichelostemma capitatum subsp. capitatum | F. W. Peirson | 1919-5-18 | s.n. | Los Angeles | Hills east of Monrovia Canyon | 457 | Comment | ||
RSA73080 | Linanthus dichotomus subsp. dichotomus | F. W. Peirson | 1925-3-22 | 5615 | Tulare | Middle Fork of Tule River, Sierra Nevada. | 457 | Comment | ||
RSA73685 | Leptosiphon bicolor | F. W. Peirson | 1925-3-22 | 5617 | Tulare | Middle Fork of Tule River, Sierra Nevada. | 457 | Comment | ||
RSA90856 | Carex triquetra | F. W. Peirson | 1918-5-5 | 1634 | Los Angeles | Summit of Santa Sunann [Susana?] Grade between Los Angeles and Ventura Counties. | 457 | Comment | ||
RSA91697 | Gnaphalium palustre | F. W. Peirson | 1930-5-10 | 8769 | Riverside | Roadside, on Hemet Plateau near March Field, between Riverside and Perris. | 457 | Comment | ||
RSA92228 | Calycadenia ciliosa | F. W. Peirson | 1925-8-15 | 6349 | Lake | About 0.5 miles above Blue Lakes | 457 | Comment | ||
RSA92248 | Layia platyglossa subsp. campestris | F. W. Peirson | 1919-3-27 | 328 | Los Angeles | Hills west of the Arroyo Seco, near Pasadena | 457 | Comment | ||
RSA93873 | Helenium puberulum | F. W. Peirson | 1923-10-21 | 4228 | Los Angeles | Sunset Canyon, Verdugo Mountains | 457 | Comment | ||
RSA95361 | Ceanothus megacarpus | F. W. Peirson | 1921-2-26 | 2359 | Los Angeles | Topanga Canyon Road, west end of San Gabriel Mts. Near summit of ridge, north slope | 457 | Comment | ||
RSA90280 | Lathyrus vestitus var. vestitus | F. W. Peirson | 1920-5-16 | 2137 | Los Angeles | Tujunga Canyon, west end of San Gabriel Mountains. | 473 | Comment | ||
CAS-BOT-BC361118 | Lasthenia microglossa | Peirson | 1919-4-14 | s.n. | Riverside | Murray Canon | 487 | Comment | ||
RSA82388 | Salvia vaseyi | F. W. Peirson | 1933-4-13 | 10635 | Riverside | Deep Canyon to Santa Rosa Mts. road | 488 | Comment | ||
UCR142553 | Hesperocnide tenella | F. W. Peirson | 1921-2-26 | 2356 | Los Angeles | Western Transverse Range; Santa Monica Mtns., Topanga Canyon Divide | 488 | Comment | ||
RSA70586 | Sisyrinchium bellum | Frank W. Peirson | 1919-5-18 | 444 | Los Angeles | Monrovia Canyon. | 518 | Comment | ||
RSA92242 | Calycadenia truncata subsp. truncata | F. W. Peirson | 1936-7-13 | 11831 | Monterey | Nacimiento Creek; a branch of San Antonio River | 518 | Comment | ||
JEPS45538 | Cercocarpus betuloides var. betuloides | Frank W. Peirson | 1919-3-27 | 340 | Los Angeles | road out of Arroyo Seco San Gabriel Mountains | 533 | Comment | ||
PASA1287 | Stellaria nitens | Frank W. Peirson | 1929-4-23 | Los Angeles | Forks of the San Gabriel River | 533 | Comment | |||
RSA0079461 | Cryptantha muricata var. jonesii | F. W. Peirson | 1925-4-23 | 5794 | Los Angeles | Burned hillslope at forks of San Gabriel River. | 533 | Comment | ||
RSA428780 | Solanum umbelliferum | F. W. Peirson | 1922-4-29 | 4487 | Riverside | Leach Canyon. (base of Santa Ana Mts., near Elsinore) | 534 | Comment | ||
RSA73047 | Leptosiphon androsaceus | F. W. Peirson | 1922-4-28 | 4472 | Riverside | Leach Canyon, near Elsinore | 534 | Comment | ||
RSA77237 | Eriodictyon crassifolium | F. W. Peirson | 1922-4-28 | 4480 | Riverside | Leach Canyon, near Elsinore | 534 | Comment | ||
RSA77255 | Emmenanthe penduliflora var. penduliflora | F. W. Peirson | 1925-4-23 | 5799 | Los Angeles | Forks of San Gabriel River. | 534 | Comment | ||
RSA83976 | Saxifraga californica | F. W. Peirson | 1919-4-19 | 373 | Los Angeles | Pacoima Canyon, west end of San Gabriel Mountains | 534 | Comment | ||
RSA65027 | Silene multinervia | F. W. Peirson | 1925-4-23 | 5789 | Los Angeles | Forks of San Gabriel River. | 534 | Comment | ||
RSA69576 | Mentzelia micrantha | F. W. Peirson | 1925-4-23 | 5797 | Los Angeles | Forks of San Gabriel River. | 534 | Comment | ||
RSA73301 | Clarkia deflexa | F. W. Peirson | 1919-5-21 | 4703 | Los Angeles | Arroyo Seco, Pasadena. | 534 | Comment | ||
RSA91229 | Lupinus formosus var. formosus | F. W. Peirson | 1919-3-11 | 90 | Los Angeles | First small canyon east of Rubio Canyon, south base of San Gabriel Mts. | 534 | Comment | ||
RSA93358 | Heterotheca fastigiata | F. W. Peirson | 1918-10-16 | 285 | Los Angeles | Pacoima Canyon west end of San Gabriel Mts. | 534 | Comment | ||
JEPS12738 | Sambucus mexicana | Frank W. Peirson | 1919-4-24 | 391 | Los Angeles | canyon e Rubio; San Gabriel Mountains | 548 | Comment | ||
JEPS20384 | Heterotheca grandiflora | Frank W. Peirson | 1918-10-15 | 281 | Los Angeles | foot of Echo Mt. trail San Gabriel Mountains, Echo Mt. | 548 | Comment | ||
PASA922 | Calycoseris parryi | Frank W. Peirson | 1930-4-15 | Inyo | 9 miles south of Death Valley Junction | 548 | Comment | |||
RSA72101 | Epilobium canum subsp. canum | F. W. Peirson | 1919-10-26 | 4517 | Los Angeles | Along Pacific Electric tracks to Rubio Canyon, San Gabriel Mts. | 549 | Comment | ||
RSA76951 | Eremocarpus setiger | F. W. Peirson | 1919-10-26 | 2046 | Los Angeles | Along Pacific Electric tracks to Rubio Canyon, San Gabriel Mts. | 549 | Comment | ||
RSA77145 | Ceanothus crassifolius | F. W. Peirson | 1919-1-19 | 302 | Los Angeles | Rubio Canyon, San Gabriel Mountains. | 549 | Comment | ||
RSA82554 | Stachys albens | F. W. Peirson | 1927-8-14 | 7840 | Los Angeles | Arroyo Seco south base of San Gabriel Mts. | 549 | Comment | ||
RSA92259 | Layia platyglossa subsp. campestris | F. W. Peirson | 1919-4-15 | 2575 | Riverside | Whitewater Grade near Cabazon | 549 | Comment Read comments Mar 13 2011 |
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RSA69573 | Mentzelia micrantha | F. W. Peirson | 1918-6-12 | 119 | Los Angeles | In area recently burned over, in hills east of Rubio Canyon, San Gabriel Mts. | 549 | Comment | ||
RSA92427 | Helianthus gracilentus | F. W. Peirson | 1923-5-5 | 4147 | Orange | Trabuco Canyon, Santa Ana Mts. | 549 | Comment | ||
RSA86716 | Andropogon glomeratus | F. W. Peirson | 1924-9-2 | 5202 | San Bernardino | Arrowhead Hot Springs. | 579 | Comment | ||
RSA92145 | Schoenus nigricans | F. W. Peirson | 1924-9-2 | 5199 | San Bernardino | Arrowhead Hot Springs. | 579 | Comment | ||
JEPS17151 | Lomatium dasycarpum subsp. dasycarpum | Frank W. Peirson | 1919-3-27 | 338 | Los Angeles | foot of Lukeys Peak Trail (San Gabriel Mts.); San Gabriel Mts. | 579 | 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 | ||
RSA73049 | Leptosiphon parviflorus | F. W. Peirson | 1919-4-19 | 377 | Los Angeles | Pacoima Canyon, west end of San Gabriel Mts. | 579 | Comment | ||
RSA74785 | Phacelia ramosissima var. latifolia | F. W. Peirson | 1920-6-10 | 2159 | Los Angeles | foot of Echo Mt. trail San Gabriel Mts. | 579 | Comment | ||
CAS-BOT-BC158001 | Garrya veatchii | F. W. Peirson | 1919-11-30 | 2723 | Los Angeles | Eaton Canyon, San Gabriel Mts. | 609 | Comment | ||
CAS-BOT-BC159275 | Garrya veatchii | Frank W. Peirson | 1919-11-30 | 2723 | Los Angeles | Eaton Canyon | 609 | Comment | ||
CAS-BOT-BC16346 | Athysanus unilateralis | Frank W. Peirson | 1925-3-19 | 5482 | Kern | North slope Tehachapi Pass. | 609 | Comment | ||
CAS-BOT-BC432274 | Lithophragma affine | Frank W. Peirson | 1925-4-11 | 5734 | Orange | Silverado Canyon, Santa Ana Mts. | 609 | Comment | ||
JEPS1188 | Phacelia minor | F. W. Peirson | 1918-6-4 | 162 | Los Angeles | foothills e Rubio Canyon; San Gabriel Mountains | 609 | Comment | ||
JEPS12565 | Deinandra fasciculata | Frank W. Peirson | 1918-6-28 | 236 | Los Angeles | e of Rubio Canyon; San Gabriel Mountains | 609 | Comment | ||
JEPS2995 | Osmorhiza brachypoda | Frank W. Peirson | 1919-5-21 | 451 | Los Angeles | Arroyo Seco San Gabriel Mountains | 609 | Comment | ||
JEPS43922 | Fraxinus dipetala | Frank W. Peirson | 1919-7-1 | 383 a | Los Angeles | Fish Canyon San Gabriel Mountains | 609 | Comment | ||
JEPS5226 | Nemacladus ramosissimus | Frank W. Peirson | 1918-6-4 | 220 | Los Angeles | foothills e. of Rubio Canyon; San Gabriel Mountains | 609 | Comment | ||
JEPS55286 | Lathyrus vestitus var. vestitus | Frank W. Peirson | 1919-4-19 | 374 | Los Angeles | Pacoima Canyon San Gabriel Mountains | 609 | Comment Read comments Feb 25 2015 |
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JEPS5902 | Delphinium parryi | Frank Peirson | 1918-6-1 | 48 | Los Angeles | foothills e Rubio Canyon (n base of mts., back and slightly e of Altadena); San Gabriel Mountains | 609 | Comment | ||
JEPS69109 | Eriastrum sapphirinum | Frank W. Peirson | 1918-6-28 | 156 | Los Angeles | foothills e Rubio Canyon; San Gabriel Mts. | 609 | Comment | ||
JEPS78510 | Nemacladus pinnatifidus | Frank W. Peirson | 1918-6-12 | 219 | Los Angeles | foothills e Rubio Canyon; San Gabriel Mountains | 609 | Comment | ||
JEPS27003 | Caulanthus heterophyllus | Frank W. Peirson | 1918-6-4 | 63 | Los Angeles | e Rubio Canyon (northern outskirts of Altadena); foothills at southern base San Gabriel Mountains | 609 | Comment | ||
PASA1828 | Osmorhiza brachypoda | Frank W. Peirson | 1919-5-21 | Los Angeles | Arrroyo Seco Canyon | 609 | Comment | |||
RSA97152 | Lomatium dasycarpum subsp. dasycarpum | F. W. Peirson | 1919-3-27 | 338 | Los Angeles | Foot of trail to Lukens Peak | 609 | Comment | ||
RSA66749 | Eschscholzia glyptosperma | F. W. Peirson | 1930-4-15 | 8711 | Inyo | Along the Amargosa River, 6 miles south of Death Valley Junction | 610 | Comment | ||
RSA69893 | Fraxinus dipetala | F. W. Peirson | 1925-4-10 | 5743 | Orange | In Silverado Canyon. | 610 | Comment | ||
RSA70238 | Allium peninsulare | F. W. Peirson | 1930-5-10 | 8773 | Riverside | St. Johns Grade. south of Hemet | 610 | Comment | ||
RSA74808 | Phacelia parryi | F. W. Peirson | 1930-5-11 | 8787 | San Diego | San Luis Rey River. | 610 | Comment | ||
RSA0011736 | Asplenium vespertinum | F. W. Peirson | 1919-12-28 | 1520 | Los Angeles | Middle Eaton Canyon, south face of San Gabriel Mts. | 610 | Comment | ||
RSA0126321 | Nemacladus longiflorus var. longiflorus | F. W. Peirson | 1921-6-21 | 2453 | Los Angeles | West Fork of San Gabriel River. | 610 | Comment | ||
RSA65304 | Eriogonum thurberi | F. W. Peirson | 1930-5-30 | 8901 | Los Angeles | shade of oaks, Mint Canyon | 610 | Comment | ||
RSA80408 | Mimulus congdonii | F. W. Peirson | 1925-3-22 | 5624 | Tulare | Middle Fork Tule River. | 610 | Comment | ||
RSA91283 | Lessingia glandulifera var. glandulifera | F. W. Peirson | 1918-10-26 | 294 | Los Angeles | South base of San Gabriel Mountains, Big Dalton Canyon. | 610 | Comment | ||
RSA92415 | Coreopsis bigelovii | F. W. Peirson | 1925-3-22 | 5622 | Tulare | Middle Fork of Tule River | 610 | Comment | ||
RSA95078 | Microseris sylvatica | F. W. Peirson | 1928-4-5 | 7836 | Kern | North slope of Tehachapi Pass | 610 | Comment | ||
SEINET10461064 | Nemacladus ramosissimus | Frank W. Peirson | 1918-6-4 | Peirson 220 | Los Angeles | Foothills east of Rubio Canyon, San Gabriel Mountains | 610 | Comment | ||
JEPS59145 | Cirsium occidentale var. californicum | Frank W. Peirson | 1918-6-1 | 248 | Los Angeles | San Gabriel Mts., Eaton Canyon | 640 | 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 | ||
RSA71797 | Gilia capitata subsp. abrotanifolia | F. W. Peirson | 1919-4-19 | 384 | Los Angeles | Pacoima Canyon, west end of San Gabriel Mountains. | 671 | Comment | ||
RSA94957 | Malacothrix clevelandii | F. W. Peirson | 1919-5-21 | 445 | Los Angeles | Arroyo Seco Canyon, near Pasadena | 685 | Comment | ||
RSA80010 | Cryptantha micrantha var. lepida | F. W. Peirson | 1919-4-16 | 370 | San Bernardino | South slope of Cajon Pass. | 686 | Comment | ||
SD87570 | Gilia diegensis | F. W Peirson | 1919-4-16 | 4133 | San Bernardino | Cajon Pass. | 686 | Comment | ||
RSA91128 | Trifolium microcephalum | F. W. Peirson | 1923-5-21 | 3513 | Los Angeles | Fish Canyon, San Bernardino Mountains | 686 | 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 | ||
RSA69414 | Delphinium parryi | F. W. Peirson | 1929-5-4 | 8337 | Riverside | Mostly about bushes on low hill about 2 miles south of summit of St. Johns Grade south of Hemet. | 701 | Comment | ||
JEPS960 | Sanicula tuberosa | Frank W. Peirson | 1919-5-14 | 422 | Los Angeles | San Gabriel Mountains, Eaton Canyon Eaton Canyon; San Gabriel Mountains, Eaton Canyon | 731 | 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 | ||
UCR19612 | Langloisia schottii | F. W. Peirson | 1927-5-7 | 7275 | San Bernardino | Western Mojave Desert, 1 mi. east of Kramer | 757 | Comment | ||
LA38961 | Mimulus palmeri | Frank W. Peirson; | 1922-4-30 | 2934 | Riverside | below summit of St. Johns Grade | 761 | Comment | ||
CAS-BOT-BC407815 | Gilia ochroleuca subsp. exilis | F. W. Peirson | 1929-5-4 | 8342 | San Diego | About 5 miles N of Oak Grove | 762 | Comment | ||
JEPS36641 | Malacothrix glabrata | F. W. Peirson | 1921-6-20 | 2149 a | Los Angeles | North Fork San Gabriel River San Gabriel Mts. | 762 | Comment | ||
RSA69570 | Arbutus menziesii | F. W. Peirson | 1919-4-5 | 140 | Los Angeles | Old Trail to Mt. Wilson, San Gabriel Mts. | 762 | Comment | ||
UC501438 | Gilia minor | Frank W. Peirson | 1932-4-17 | 9861 | Los Angeles | 2 mi ne Lovejoy Buttes (Mohave Desert); , ne of Lovejoy Buttes | 762 | Comment | ||
RSA0017268 | Gilia ochroleuca subsp. exilis | F. W. Peirson | 1929-5-4 | 8342 | San Diego | About 5 miles N of Oak Grove. | 762 | Comment | ||
RSA0059184 | Orobanche uniflora subsp. occidentalis | Frank W. Peirson | 1921-5-12 | 1174 | Los Angeles | Big Santa Anita Trail, south slope of San Gabriel Mts. | 762 | Comment | ||
RSA80170 | Collinsia heterophylla | F. W. Peirson | 1921-6-21 | 4492 | Los Angeles | west fork of San Gabriel River | 762 | Comment | ||
RSA85046 | Pteridium aquilinum var. pubescens | F. W. Peirson | 1923-5-21 | 3510 | Los Angeles | Fish Canyon, south base of San Gabriel Mountains | 762 | Comment | ||
RSA92542 | Salix exigua | F. W. Peirson | 1932-4-17 | 9859 | Los Angeles | Margin of Lovejoy Dam, Lovejoy Buttes, SW Mojave Desert. | 762 | Comment | ||
RSA95217 | Stephanomeria pauciflora | F. W. Peirson | 1927-5-29 | 7338 | Kern | Red Rock Canyon, west end of Mojave Desert. | 762 | Comment | ||
RSA94959 | Malacothrix clevelandii | F. W. Peirson | 1923-5-21 | 5288 | Los Angeles | South face of San Gabriel Mountains. Fish Canyon | 792 | Comment | ||
RSA75874 | Nemophila menziesii | F. W. Peirson | 1929-5-4 | 8336 | Riverside | In open spaces along road, summit of St. John s Grade, south of Hemet. | 793 | Comment | ||
RSA82074 | Utricularia vulgaris subsp. macrorhiza | F. W. Peirson | 1924-8-31 | 5113 | San Bernardino | South of Victorville | 793 | Comment | ||
RSA69803 | Centaurium venustum | F. W. Peirson | 1921-7-19 | 144 | Los Angeles | At forks of Coldwater Canyon and Cattle Canyon, East Fork San Gabriel Canyon | 793 | 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 | ||
RSA90850 | Carex senta | F. W. Peirson | 1919-5-14 | 1625 | Los Angeles | W fork of Eaton Canyon | 822 | Comment | ||
POM171944 | Chorizanthe membranacea | F. W. Peirson | 1930-5-14 | 8844 | Kern | Kern River | 823 | Comment | ||
JEPS62700 | Salvia dorrii | Frank W. Peirson | 1919-5-11 | 392 | Los Angeles | Arraster Canyon; San Gabriel Mts. | 838 | Comment | ||
JEPS64999 | Lupinus bicolor | Frank W. Peirson | 1919-5-10 | 413 | Los Angeles | Arraster Canyon San Gabriel Mts., Arraster Canyon | 838 | Comment Read comments Aug 21 2014 |
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RSA69499 | Mirabilis laevis var. villosa | F. W. Peirson | 1919-5-10 | 1853 | Los Angeles | Arraster [Arrastre] Creek, San Gabriel Mountains. | 838 | Comment | ||
RSA81476 | Castilleja plagiotoma | F. W. Peirson | 1919-5-10 | 1148 | Los Angeles | Arraster [Arrastre] Creek, San Gabriel Mountains. | 838 | Comment | ||
JEPS5324 | Lobelia dunnii var. serrata | F. W. Peirson | 1918-8-6 | 260 | Los Angeles | old trail to Mount Wilson | 838 | Comment | ||
RSA100232 | Lobelia dunnii var. serrata | F. W. Peirson | 1918-8-6 | 260 | Los Angeles | Sierra Madre Trail to Mt. Wilson | 838 | Comment | ||
RSA92539 | Eriophyllum wallacei | F. W. Peirson | 1919-5-9 | 1391 | Los Angeles | San Gabriel Mountains. | 838 | Comment | ||
POM128670 | Malacothamnus orbiculatus | F. W. Peirson | 1927-5-29 | 7320 | Kern | Just south of Tulare County line, Kern River. | 845 | Comment | ||
JEPS34547 | Allium lacunosum | Frank W. Peirson | 1919-5-10 | 426 | Los Angeles | Arrastre Creek San Gabriel Mountains | 853 | Comment Read comments Jan 1 2017 |
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JEPS5153 | Castilleja applegatei subsp. martinii | F. W. Peirson | 1918-5-19 | 209 | Los Angeles | Millards Canyon San Gabriel Mountains | 853 | Comment | ||
RSA427394 | Solanum umbelliferum | F. W. Peirson | 1926-5-1 | 6720 | San Diego | Bottom lands of temecula River, Oak grove. | 854 | Comment | ||
RSA77731 | Viola purpurea subsp. quercetorum | F. W. Peirson | 1930-5-11 | 8780 | San Diego | near Henshaw Dam. | 854 | Comment | ||
RSA80340 | Orthocarpus densiflorus var. gracilis | F. W. Peirson | 1926-4-30 | 6703 | San Diego | Oprn grassy field near Henshaw Dam, northeastern San Diego Co. | 854 | Comment | ||
RSA80680 | Helianthemum scoparium var. aldersonii | F. W. Peirson | 1920-6-23 | 2170 | San Diego | Oak Grove | 854 | Comment | ||
RSA0041598 | Thysanocarpus curvipes | F. W. Peirson | 1930-5-11 | 8783 | San Diego | Henshaw Dam. | 854 | Comment | ||
RSA65808 | Thlaspi arvense | F. W. Peirson | 1919-2-23 | 66 | Los Angeles | Henniger s Falt, San Gabriel Mts | 854 | Comment | ||
RSA66026 | Eriogonum gracile var. gracile | F. W. Peirson | 1918-11-2 | 296 | Los Angeles | Hennigers Flat, north San Gabriel Mts. | 854 | Comment | ||
RSA92075 | Micropus californicus | F. W. Peirson | 1930-5-11 | 8779 | San Diego | near Henshaw Dam. | 854 | Comment | ||
RSA95112 | Agoseris heterophylla var. heterophylla | F. W. Peirson | 1930-5-11 | 8785 | San Diego | near Henshaw Dam. | 854 | Comment | ||
JEPS43186 | Claytonia parviflora subsp. parviflora | F. W. Peirson | 1918-5-27 | 35 | Los Angeles | Henninger Flats | 868 | Comment | ||
JEPS62867 | Scutellaria tuberosa | Frank W. Peirson | 1918-5-26 | 178 | Los Angeles | Henninger Flats; San Gabriel Mountains, Henninger Flats | 868 | Comment | ||
UC501631 | Lessingia glandulifera var. glandulifera | Frank W. Peirson | 1921-5-29 | 1262 | San Bernardino | opposite Hesperia; Mohave River | 868 | Comment | ||
RSA67357 | Lepidium flavum | F. W. Peirson | 1921-5-29 | 2813 | San Bernardino | Mojave River | 869 | Comment | ||
POM12544 | Thlaspi arvense | F. W. Peirson | 1919-2-23 | s.n. | Los Angeles | Henninger Flats. N of Pasadena. | 869 | Comment | ||
CAS-BOT-BC339412 | Lessingia glandulifera var. glandulifera | F. W. Peirson | 1921-5-29 | 1262 | San Bernardino | Mohave River, Mohave Desert | 883 | Comment | ||
JEPS41864 | Corethrogyne filaginifolia | Frank W. Peirson | 1918-8-6 | 257 | Los Angeles | Mt. Wilson, Toll Road San Gabriel Mts., Mt. Wilson | 883 | Comment | ||
PASA2187 | Chaenactis carphoclinia var. attenuata | Frank W. Peirson | 1930-5-13 | Kern | Red Rock Canyon | 883 | Comment | |||
PASA960 | Tetradymia glabrata | Frank W. Peirson | 1930-5-13 | Kern | Red Rock Canyon | 883 | Comment | |||
UC501429 | Gilia hutchinsifolia | Frank W. Peirson | 1932-5-5 | 9870 | Kern | Red Rock Canyon | 883 | Comment | ||
UC573115 | Cryptantha pterocarya | Frank W. Peirson | 1921-5-29 | 5812 | San Bernardino | Mohave River | 883 | Comment | ||
RSA614278 | Ericameria cooperi | F. W. Peirson | 1931-5-30 | 5427 | San Bernardino | Mojave River, E of Hesperia. Old river terrace | 884 | Comment | ||
RSA87141 | Lupinus horizontalis var. platypetalus | F. W. Peirson | 1930-5-13 | 8800 | Kern | Red Rock Canyon. | 884 | Comment | ||
RSA90448 | Glycyrrhiza lepidota | F. W. Peirson | 1921-5-30 | 4425 | San Bernardino | Mojave River, Victorville. | 884 | Comment | ||
RSA94935 | Tetradymia glabrata | F. W. Peirson | 1930-5-13 | 8799 | Kern | Red Rock Canyon | 884 | Comment | ||
CAS-BOT-BC326821 | Xylorhiza tortifolia | F. W. Peirson | 1922-5-14 | s.n. | San Bernardino | 5 miles norht of Barstow, Mojave Desert | 914 | Comment | ||
CAS-BOT-BC407812 | Gilia ochroleuca subsp. exilis | F. W. Peirson | 1929-5-5 | 8363 | San Diego | South slope of divide between Oak Grove and Warner's Hot Springs | 914 | Comment | ||
CAS-BOT-BC407813 | Gilia ochroleuca subsp. exilis | F. W. Peirson | 1929-5-5 | 8363 | San Diego | South slope of divide between Oak Grove and Warner's Hot Springs | 914 | Comment | ||
JEPS1433 | Nama californica | Frank W. Peirson | 1919-5-10 | 396 | Los Angeles | Arraster Creek; San Gabriel Mountains, Arraster Creek | 914 | Comment | ||
JEPS31726 | Camissonia strigulosa | Frank W. Peirson | 1919-5-10 | 405 | Los Angeles | Arraster Creek San Gabriel Mountains | 914 | Comment | ||
JEPS4627 | Collinsia parryi | F. W. Peirson | 1918-6-1 | 193 | Los Angeles | ne Altadena; San Gabriel Mts., Eaton Canyon | 914 | Comment | ||
JEPS60620 | Delphinium parishii subsp. parishii | Frank W. Peirson | 1919-5-10 | 419 | Los Angeles | Arraster Creek San Gabriel Mountains | 914 | Comment | ||
JEPS66574 | Arbutus menziesii | Frank W. Peirson | 1919-4-5 | 140 | Los Angeles | Old Mt. Wilson Trail; San Gabriel Mountains, Sierra Madre, Old Mt. Wilson Trail | 914 | Comment | ||
JEPS75649 | Dendromecon rigida | Frank W. Peirson | 1919-5-21 | 408 | Los Angeles | Arroyo Seco Canyon; San Gabriel Mountains | 914 | Comment | ||
JEPS8766 | Castilleja foliolosa | Frank W. Peirson | 1919-5-10 | 430 | Los Angeles | Arraster Creek San Gabriel Mountains | 914 | Comment | ||
PASA2253 | Ribes indecorum | Frank W. Peirson | 1925-4-11 | Orange | Silverado Canyon, Santa Ana Mountains | 914 | Comment | |||
RSA71122 | Calystegia occidentalis subsp. fulcrata | F. W. Peirson | 1923-5-21 | 3516 | Los Angeles | Fish Canyon | 914 | Comment | ||
RSA91501 | Trifolium ciliolatum | F. W. Peirson | 1923-5-21 | 3517 | Los Angeles | Fish Canyon | 914 | Comment | ||
UC501432 | Scutellaria antirrhinoides | Frank W. Peirson | 1932-7-17 | 10327 | Shasta | Goose Valley, Wallace Ranch Goose Valley; , Wallace Ranch | 914 | Comment | ||
UC501483 | Polygala cornuta var. cornuta | Frank W. Peirson | 1932-7-17 | 10331 | Shasta | Wallace Ranch Goose Valley | 914 | Comment | ||
CAS-BOT-BC344377 | Madia exigua | Frank W. Peirson | 1923-5-21 | 3511 | Los Angeles | Fish Canyon, San Gabriel Mts. | 914 | Comment | ||
PASA2331 | Madia exigua | Frank W. Peirson | 1923-5-21 | Los Angeles | Fish Canyon, San Gabriel Mts. | 914 | Comment | |||
RSA90422 | Lotus strigosus | F. W. Peirson | 1921-6-20 | 4076 | Los Angeles | N fork San Gabriel River | 914 | Comment | ||
RSA65083 | Eriogonum gracillimum | F. W. Peirson | 1932-11-13 | 10485 | San Bernardino | Deadman Point, east of Victorville. | 915 | Comment | ||
RSA70874 | Arctostaphylos glauca | F. W. Peirson | 1924-12-5 | 5383 | Los Angeles | Little Santa Anita Canyon | 915 | Comment Read comments Dec 30 2007 |
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RSA71836 | Gilia aliquanta subsp. aliquanta | F. W. Peirson | 1924-5-14 | 4548 | San Bernardino | 2 miles N of Cajon Pass. | 915 | 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 | ||
RSA74200 | Phacelia campanularia subsp. vasiformis | F. W. Peirson | 1926-4-27 | 6678 | San Bernardino | 13 miles W of Victorville | 915 | Comment | ||
RSA75529 | Phacelia fremontii | F. W. Peirson | 1919-5-10 | 400 | Los Angeles | Arraster [Arrastre] Creek. North base of San Gabriel Mountains. | 915 | Comment | ||
RSA82570 | Stachys rigida subsp. quercetorum | F. W. Peirson | 1920-6-25 | 2193 | San Diego | from Oak Grove to Warners Hot Springs. | 915 | Comment | ||
RSA83433 | Pycnanthemum californicum | F. W. Peirson | 1921-7-15 | 2731 | Los Angeles | Main branch of San Gabriel River. | 915 | Comment | ||
SD87569 | Cryptantha intermedia | F. W. Peirson | 1919-5-11 | 402 | Los Angeles | San Gabriel Mountains, Arraster | 915 | Comment | ||
POM98118 | Ceanothus oliganthus | F. W. Peirson | 1925-4-11 | 5735 | Orange | slope above mill, in Silverado Canyon, Santa Ana Mountains. | 915 | Comment | ||
POM9920 | Petunia parviflora | F. W. Peirson | 1920-6-25 | 2207 | San Diego | San Luis Rey. | 915 | Comment | ||
RSA71799 | Gilia achilleifolia | F. W. Peirson | 1925-3-23 | 5638 | Fresno | Slope slightly above County Auto Camp, Inner Coast Ranges, road between Coalinga and Parksfield | 915 | Comment | ||
RSA92129 | Eleocharis palustris | F. W. Peirson | 1925-5-19 | 6006 | San Diego | About 4 miles northwest of Warners Hots Spring on the San Luis Rey River | 915 | 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 | ||
RSA92993 | Lasthenia debilis | F. W. Peirson | 1930-5-15 | 8883 | Kern | Greenhorn Range, SE of Glenville. | 915 | Comment | ||
RSA93363 | Heterotheca sessiliflora subsp. fastigiata | F. W. Peirson | 1921-10-9 | 4735 | Los Angeles | Delta Canyon, tributary to Tujunga Creek, west end of San Gabriel Mountains. | 915 | Comment | ||
RSA93802 | Chaenactis glabriuscula var. megacephala | F. W. Peirson | 1925-3-24 | 5653 | Monterey | Inner Coast Range on road from Coalinga to Parkfield | 915 | Comment | ||
RSA93808 | Chaenactis artemisiifolia | F. W. Peirson | 1919-7-3 | 242 | Los Angeles | San Gabriel Mountains: Lukens Peak | 915 | Comment | ||
RSA94083 | Psathyrotes annua | F. W. Peirson | 1924-8-31 | 5127 | San Bernardino | 1 miles W of Box S Ranch, Southern Mojave Desert E of Victorville | 915 | Comment | ||
RSA95258 | Sidalcea oregana subsp. spicata | F. W. Peirson | 1932-7-17 | 10323 | Shasta | Wallace Ranch, Goose Valley | 915 | Comment | ||
RSA80434 | Antirrhinum multiflorum | F. W. Peirson | 1924-5-26 | 4643 | Los Angeles | Trail to Switzers Camp, San Gabriel Mts | 930 | 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 | ||
RSA91093 | Trifolium variegatum | F. W. Peirson | 1921-5-19 | 560 | Los Angeles | Little Rock Creek | 945 | Comment | ||
RSA95291 | Rhamnus ilicifolia | F. W. Peirson | 1924-5-26 | 4625 | Los Angeles | trail to Switzers Camp, Arroyo Seco, north of Pasadena | 945 | Comment | ||
RSA67359 | Lepidium fremontii var. fremontii | F. W. Peirson | 1921-5-19 | 677 | Los Angeles | Little Rock Creek: N slope of San Gabriel Mountains | 960 | Comment | ||
RSA94394 | Chaenactis fremontii | F. W. Peirson | 1921-5-19 | 2409 | Los Angeles | Little Rock Creek: N slope of San Gabriel Mountains | 960 | Comment | ||
JEPS34174 | Chaenactis glabriuscula var. glabriuscula | F. W. Peirson | 1921-5-19 | 1399 | Los Angeles | Little Rock Creek San Gabriel Mts., Little Rock Creek | 975 | Comment | ||
JEPS39203 | Layia glandulosa | F. W. Peirson | 1921-5-19 | 2413 | Los Angeles | Little Rock Creek San Gabriel Mountains, Little Rock Creek | 975 | Comment | ||
RSA94610 | Syntrichopappus fremontii | F. W. Peirson | 1921-5-20 | 4746 | Los Angeles | Little Rock Creek, N slope of San Gabriel Mtns. | 976 | Comment | ||
RSA95286 | Frangula californica subsp. cuspidata | F. W. Peirson | 1921-5-20 | 4442 | Los Angeles | Little Rock Creek, San Gabriel Mts. | 976 | Comment | ||
JEPS15762 | Yabea microcarpa | Frank W. Peirson | 1918-6-1 | 132 | Los Angeles | Eaton Canyon; San Gabriel Mountains | 990 | Comment | ||
JEPS37 | Eriodictyon crassifolium var. nigrescens | Frank W. Peirson | 1918-5-19 | 171 | Los Angeles | Echo Mountain; San Gabriel Mountains, Echo Mountain | 990 | Comment | ||
JEPS42338 | Ceanothus papillosus var. roweanus | F. W. Peirson | 1923-1 | 3492 | Orange | Holy Jim Canon Santa Ana Mountains, SW Riverside Co. | 990 | Comment Read comments Oct 2 2011 |
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JEPS11456 | Mimulus nasutus | Frank W. Peirson | 1922-5-30 | 3073 | Los Angeles | Millard's Canyon San Gabriel Mountains | 990 | Comment Read comments Oct 2 2011 |
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JEPS11806 | Heterocodon rariflorum | Frank W. Peirson | 1921-6-14 | 1210 | Los Angeles | Trail Fork San Gabriel; San Gabriel Mountains | 990 | Comment | ||
RSA66192 | Meconella californica | F. W. Peirson | 1930-5-15 | 8885 | Kern | Greenhorn Range, hills southeast of Glenville | 991 | Comment | ||
RSA0076531 | Acanthomintha lanceolata | F. W. Peirson | 1925-3-23 | 5646 | Fresno | Road from Coalinga to Parkfield. | 991 | Comment | ||
JEPS69845 | Leptodactylon californicum subsp. glandulosum | Frank W. Peirson | 1918-5-19 | 158 | Los Angeles | Echo Mountain; San Gabriel Mts., Echo Mountain | 1005 | Comment | ||
POM89885 | Ceanothus oliganthus var. oliganthus | F. W. Peirson | 1926-3-20 | 6513 | Los Angeles | Arroyo Seco. | 1006 | Comment | ||
RSA74948 | Phacelia distans | F. W. Peirson | 1921-5-20 | 4714 | Los Angeles | Little Rock Creek: north base of San Gabriel Mountains. | 1006 | Comment | ||
RSA65710 | Silene antirrhina | F. W. Peirson | 1921-6-19 | 2681 | Los Angeles | North Fork of San Gabriel River | 1006 | Comment | ||
JEPS69139 | Loeseliastrum matthewsii | Frank W. Peirson | 1921-5-19 | 952 | Los Angeles | Little Rock Creek San Gabriel Mts., Little Rock Creek | 1036 | Comment | ||
JEPS73669 | Monardella exilis | Frank W. Peirson | 1921-5-19 | 2416 | Los Angeles | Little Rock Creek San Gabriel Mts. | 1036 | Comment | ||
LA38971 | Mimulus guttatus | Frank W. Peirson; | 1921-6-19 | 4721 | Los Angeles | San Gabriel Mountains, Groverland Canyon, N fork San Gabriel River | 1036 | Comment | ||
RSA70372 | Calochortus superbus | Frank W. Peirson | 1930-5-15 | 8898 | Kern | Hills northwest of Glenville, Greenhorn Range | 1037 | Comment | ||
RSA77163 | Ceanothus leucodermis | F. W. Peirson | 1918-5-19 | 112 | Los Angeles | Dawn Station along the trolley to Mt. Lowe, San Gabriel Mts. | 1037 | Comment | ||
RSA83397 | Monardella candicans | F. W. Peirson | 1930-5-15 | 8879 | Kern | Hills northwest of Glenville, Greenhorn Range. | 1037 | Comment | ||
RSA82050 | Cordylanthus rigidus subsp. setiger | F. W. Peirson | 1924-7-11 | 5396 | Los Angeles | Mt. Washburn trail near Switzers Camp. | 1037 | Comment | ||
JEPS15754 | Conium maculatum | Frank W. Peirson | 1920-5-18 | 2115 | San Bernardino | San Gabriel Mountains, Lytle Creek Lytle Creek; San Gabriel Mountains, Lytle Creek | 1066 | Comment | ||
JEPS54840 | Astragalus palmeri | Frank W. Peirson | 1922-4-13 | 2899 | San Diego | Mountain Springs grade | 1066 | Comment | ||
JEPS55411 | Lotus argophyllus var. argophyllus | Frank W. Peirson | 1918-5-26 | 96 | Los Angeles | Toll Road up Mt. Wilson | 1066 | Comment | ||
JEPS57766 | Chorizanthe xanti | Frank W. Peirson | 1921-5-30 | 2419 | San Bernardino | Lone Pine Canyon , Lone Pine Canyon (San Gabriel Mountains) | 1066 | Comment Read comments Jul 18 2011 |
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JEPS63182 | Trichostema parishii | Frank W. Peirson | 1921-7-1 | 2473 | Los Angeles | Arraster Creek San Gabriel Mountains | 1066 | Comment | ||
PASA1790 | Chrysopsis villosa var. fastigiata | Frank W. Peirson | 1928-10-21 | Los Angeles | West Fork San Gabriel River | 1066 | Comment | |||
CAS-BOT-BC438076 | Lithophragma parviflorum | Frank W. Peirson | 1930-5-15 | 8889 | Kern | hills nw of Glenville, Greenhorn mts. | 1066 | Comment | ||
PASA997 | Collinsia bicolor | Frank W. Peirson | 1930-5-15 | Kern | Hills NW. of Glenville, Greenhorn Mts. | 1066 | Comment | |||
RSA0060162 | Poa secunda subsp. secunda | F. W. Peirson | 1918-5-19 | 1548 | Los Angeles | Along trolley track on Echo Mt., San Gabriel Range. | 1066 | 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 | ||
RSA72104 | Epilobium canum subsp. canum | F. W. Peirson | 1918-10-21 | 280 | Los Angeles | West Fork of San Gabriel Mountains. | 1067 | Comment | ||
RSA73066 | Leptosiphon montanus | F. W. Peirson | 1930-5-15 | 8896 | Kern | Greenhorn Range, in hills northwest of Glenville | 1067 | Comment | ||
RSA75439 | Camissonia ignota | F. W. Peirson | 1923-5-6 | 3505 | Orange | Trail to Santiago Peak, Santa Ana Ms., from Trabuco Canyon. | 1067 | 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 | ||
RSA76998 | Staphylea bolanderi | F. W. Peirson | 1936-5-30 | 11819 | Tulare | About 4 miles above the control, on road to Balch Park. | 1067 | Comment | ||
RSA80176 | Antirrhinum nuttallianum subsp. nuttallianum | F. W. Peirson | 1929-5-4 | 8346 | San Diego | On trail from Oak Grove to Palomar Mtn. | 1067 | Comment | ||
RSA80323 | Hydrocotyle umbellata | F. W. Peirson | 1920-5-18 | 2141 | San Bernardino | Lytle Creek, east end of San Gabriel Mts. | 1067 | 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 | ||
RSA90381 | Lotus strigosus | F. W. Peirson | 1929-5-4 | 8352 | San Diego | On trail from Oak Grove to Palomar Mtn. | 1067 | Comment | ||
RSA95003 | Malacothrix glabrata | F. W. Peirson | 1920-5-19 | 2149 | San Bernardino | North Fork of Lytle Creek, San Gabriel Mts | 1067 | Comment | ||
RSA99376 | Lonicera interrupta | F. W. Peirson | 1936-5-30 | 11816 | Tulare | About 4 miles above the control, on road to Balch Park. | 1067 | Comment | ||
PASA1796 | Acamptopappus sphaerocephalus | Frank W. Peirson | 1930-4-29 | San Bernardino | Box S. Spring | 1081 | Comment | |||
RSA435264 | Lythrum californicum | F. W. Peirson | 1924-8-31 | 3134 | San Bernardino | Box S Springs, southern Mojave Desert | 1082 | Comment | ||
RSA80725 | Lythrum californicum | F. W. Peirson | 1924-8-31 | 5134 | San Bernardino | Box S Springs, southern Mojave Desert | 1082 | Comment | ||
RSA91977 | Pleuraphis rigida | F. W. Peirson | 1924-5-14 | 54544 | San Bernardino | Box S Springs in Cushenberry [Cushenbury] Springs Region, north base of San Bernardino Mountains. | 1082 | Comment | ||
JEPS1430 | Nama californica | Frank W. Peirson | 1921-5-29 | 2421 | San Bernardino | n slope Cajon Pass; San Gabriel Mountains, n slope Cajon Pass | 1097 | Comment | ||
JEPS34561 | Syntrichopappus lemmonii | F. W. Peirson | 1921-5-29 | 1378 | San Bernardino | near Cajon Pass summit | 1097 | Comment | ||
RSA66783 | Thysanocarpus laciniatus | F. W. Peirson | 1921-5-29 | 665 | San Bernardino | north slope of Cajon Pass | 1097 | Comment | ||
UC483075 | Salix laevigata | Frank W. Peirson | 1923-5-27 | 9609 | Los Angeles | Pallett Creek San Gabriel Mts., Pallett Creek | 1097 | Comment | ||
PASA1488 | Eriogonum pusillum | Frank W. Peirson | 1923-5-27 | Los Angeles | Pillett Creek, San Gabriel Mts. | 1097 | Comment | |||
RSA86959 | Lupinus odoratus | F. W. Peirson | 1921-7-2 | 2477 | Los Angeles | Pallett Creek, lower Rock Creek tributary: north side of San Gabriel Mountains. | 1098 | Comment | ||
RSA64586 | Eriogonum pusillum | F. W. Peirson | 1923-5-27 | 4203 | Los Angeles | Pallett Creek, north slope of San Gabriel Mountains | 1098 | Comment | ||
RSA92702 | Salix laevigata | F. W. Peirson | 1923-5-27 | 9609 | Los Angeles | Pallett Creek, north slope of San Gabriel Mountains | 1098 | Comment | ||
RSA97433A | Lomatium mohavense subsp. mohavense | F. W. Peirson | 1922-5-12 | 2973 | San Bernardino | Old road through Cajon Pass | 1098 | Comment | ||
PASA2256 | Ribes malvaceum | Frank W. Peirson | 1923-5-6 | Orange | Santiago Peak. Holy Jim Trail near spring | 1142 | Comment | |||
CAS-BOT-BC22481 | Acamptopappus shockleyi | Frank W. Peirson | 1932-5-6 | 9903 | Inyo | Wildrose Canyon, Panamint Mountains | 1143 | Comment | ||
JEPS42399 | Ceanothus integerrimus | Frank W. Peirson | 1918-5-26 | 111 | Los Angeles | Toll Rd San Gabriel Range, Mt. Wilson | 1143 | Comment | ||
UC501460 | Clarkia heterandra | Frank W. Peirson | 1922-6-3 | 3083 | Los Angeles | n. slope Liebre Mts. (and sl. e. of the Collins Ranch house and extending up slope to ca. 5000 ft); Liebre Mts. and Collins Ranch | 1143 | Comment | ||
RSA70412 | Arctostaphylos pungens | F. W. Peirson | 1922-4-13 | 2896 | San Diego | El Centro-San Diego road west of main summit. | 1143 | Comment Read comments Sep 2 2016 |
||
RSA92692 | Salix exigua | F. W. Peirson | 1932-5-6 | 9900 | Inyo | Wild Rose Canyon, Panamint Mts. | 1143 | Comment | ||
RSA93281 | Pentachaeta aurea | F. W. Peirson | 1922-5-19 | 3037 | Riverside | San Jacinto River | 1143 | Comment | ||
UC218118 | Clarkia heterandra | F. W. Peirson | 1922-6-3 | Los Angeles | Liebre Mts. | 1143 | Comment | |||
SD87630 | Rigiopappus leptocladus | F. W. Peirson | 1922-6-3 | Los Angeles | North slope of Liebre Mts. road to Collins Ranch | 1145 | Comment Read comments Jul 10 2010 |
|||
CAS-BOT-BC515148 | Eriastrum sapphirinum subsp. sapphirinum | F. W. Peirson | 1920-6-23 | 2299 | San Diego | Oak Grove | 1158 | Comment | ||
PASA1014 | Collinsia callosa | Frank W. Peirson | 1922-6-3 | Los Angeles | East of Oak Grove Canyon Divide, Liebre Mts. | 1173 | Comment | |||
UC501463 | Lessingia glandulifera var. peirsonii | Frank W. Peirson | 1923-6-9 | 3550 | Los Angeles | King Canyon Liebre Mts., King Canyon | 1173 | Comment | ||
RSA74959 | Phacelia douglasii | F. W. Peirson | 1922-6-3 | 3085 | Los Angeles | East of Oak Grove Creek Divide, Liebre Mts. | 1174 | Comment | ||
RSA84951 | Ribes quercetorum | F. W. Peirson | 1922-6-3 | 2548 | Los Angeles | East of Oak Grove Creek Divide, Liebre Mts. | 1174 | Comment | ||
JEPS19243 | Hazardia squarrosa var. grindelioides | Frank W. Peirson | 1918-9-15 | 227 | Los Angeles | Sister Elsie Peak San Gabriel Mountains, Sister Elsie Peak | 1219 | Comment | ||
UC501452 | Brickellia atractyloides | Frank W. Peirson | 1932-5-6 | 9896 | Inyo | 8 mi e of Darwin | 1219 | Comment | ||
PASA91 | Cordylanthus rigidus subsp. brevibracteatus | Frank W. Peirson | 1921-11-12 | Los Angeles | Collin's Ranch, north slope Liebre Mts., about 4000ft. | 1219 | Comment | |||
RSA65506 | Minuartia douglasii | F. W. Peirson | 1921-5-3 | 5315 | Los Angeles | Bear Canyon Ridge west of Mt. Lowe | 1219 | Comment | ||
RSA65785 | Cleomella plocasperma | F. W. Peirson | 1916-7-8 | 1920 | San Bernardino | Open land above Box S Spring, grade near Cushenberry Spring. north base of San Bernardino Mountains. | 1220 | Comment | ||
RSA73317 | Clarkia cylindrica subsp. cylindrica | F. W. Peirson | 1922-6-3 | 771 | Los Angeles | North slope of Liebre Mts. | 1220 | Comment | ||
RSA82576 | Stachys rigida subsp. quercetorum | F. W. Peirson | 1923-9-7 | 4039 | Orange | Santa Ana Mountains; Trail Trabuco Canyon to Santago Peak. | 1220 | Comment | ||
RSA75428 | Camissonia walkeri subsp. tortilis | F. W. Peirson | 1932-5-6 | 9895 | Inyo | Gravelly stream terrace, 5 miles east of Darwin. | 1220 | Comment | ||
RSA79905 | Physalis philadelphica | F. W. Peirson | 1923-8-26 | 3996 | San Bernardino | above road to Seven Oaks, in Mill Creek. | 1220 | Comment | ||
RSA87336 | Lupinus concinnus subsp. orcuttii | F. W. Peirson | 1921-5-29 | 544 | San Bernardino | Summit of Cajon Pass. | 1220 | Comment | ||
RSA90072 | Lotus argophyllus var. argophyllus | F. W. Peirson | 1924-5-16 | 4581 | San Bernardino | City Creek. | 1220 | Comment | ||
RSA93720 | Brickellia arguta | F. W. Peirson | 1932-5-6 | 9896 | Inyo | 8 mi. E of Darwin | 1220 | Comment | ||
RSA94667 | Senecio douglasii var. monoensis | F. W. Peirson | 1932-5-6 | 9897 | Inyo | 8 miles east of Darwin | 1220 | 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 | ||
CAS-BOT-BC106330 | Brickellia atractyloides var. arguta | Frank W. Peirson | 1932-5-9 | 9951 | Inyo | Keane Spring, Funeral Mts. | 1249 | Comment | ||
CAS-BOT-BC76267 | Arctomecon merriamii | Frank W. Peirson | 1932-5-9 | 9945 | Inyo | Keane Spring, Funeral Mountains. | 1249 | Comment | ||
JEPS26404 | Malacothamnus orbiculatus | Frank W. Peirson | 1919-6-15 | 502 | Los Angeles | San Gabriel Mountains, Rock Creek | 1249 | Comment | ||
RSA81451 | Castilleja plagiotoma | F. W. Peirson | 1918-6-18 | 210 | Los Angeles | Rock Creek, north base of San Gabriel Mountains. | 1250 | Comment | ||
RSA86363 | Pinus monophylla | F. W. Peirson | 1919-6-15 | 2328 | Los Angeles | Rock Creek | 1250 | Comment | ||
RSA73025 | Linanthus parryae | F. W. Peirson | 1926-5-8 | 6729 | Los Angeles | Road to Los Angeles County playgrounds about 1/4 mile from Rock Creek north slope of San Gabriel Mtns. | 1250 | Comment | ||
RSA71006 | Cuscuta ceanothi | F. W. Peirson | 1923-9-7 | 4037 | Orange | Trail from Trabuco Canyon to Santiago Peak. | 1280 | Comment | ||
RSA85069 | Agrimonia gryposepala | F. W. Peirson | 1924-7-16 | 4975 | San Bernardino | Potato Canyon, south slope of the San Bernardino Mts. | 1280 | Comment | ||
JEPS51887 | Chamaesyce albomarginata | Frank W. Peirson | 1919-6-13 | 459 | Los Angeles | San Gabriel Mtns, Rock Creek Canyon | 1295 | Comment | ||
JEPS55743 | Lotus oblongifolius var. oblongifolius | Frank W. Peirson | 1919-6-15 | 501 | Los Angeles | Rock Creek San Gabriel Mountains | 1295 | Comment | ||
JEPS8877 | Chaenactis stevioides | Frank W. Peirson | 1923-5-25 | 3522 | Los Angeles | Rock Creek San Gabriel Mountains, Rock Creek | 1295 | Comment | ||
PASA2116 | Nemophila menziesii | Frank W. Peirson | 1929-5-4 | San Diego | Palomar, east trail | 1295 | Comment | |||
SBBG28525 | Frangula californica subsp. cuspidata | F. W. Peirson | 1919-6-15 | 727 | Los Angeles | Rock Crk, N slope | 1295 | Comment | ||
JEPS63352 | Monardella macrantha | Frank W. Peirson | 1918-7-13 | 183 | Los Angeles | trail near Studevants; San Gabriel Mts., West Fork San Gabriel River | 1295 | Comment | ||
SD87551 | Leptosiphon breviculus | Frank W. Peirson | 1926-4-27 | 6665 | Unknown | Rock Creek, San Gabriel Range. | 1295 | Comment Read comments Jan 1 2016 |
||
POM175480 | Rhamnus tomentella subsp. cuspidata | F. W. Peirson | 1919-6-15 | 727 | Los Angeles | Rock Creek, north slope of San Gabriel Mountains. | 1296 | Comment | ||
RSA69881 | Forestiera pubescens | F. W. Peirson | 1919-6-13 | 483 | Los Angeles | Large colony on south side of canyon of Rock Creek. | 1296 | Comment | ||
RSA70081 | Platanthera sparsiflora | Frank W. Peirson | 1919-6-15 | 505 | Los Angeles | Rock Creek, north slope of San Gabriel Mountains. | 1296 | Comment | ||
RSA74179 | Phacelia cryptantha | F. W. Peirson | 1923-5-25 | 3529 | Los Angeles | Rock Creek, north slope of San Gabriel Mountains | 1296 | Comment | ||
RSA74928 | Phacelia egena | F. W. Peirson | 1942-5-15 | 13463 | Los Angeles | Rock Creek. | 1296 | Comment | ||
RSA97415 | Tauschia parishii | F. W. Peirson | 1926-4-27 | 6670 | Los Angeles | San Gabriel Mountains. North side of San Gabriel Mountains, Rock Creek. | 1296 | Comment | ||
JEPS34066 | Gnaphalium palustre | F. W. Peirson | 1918-7-9 | 234 | Los Angeles | San Antonio Canyon San Gabriel Mts., San Antonio Canyon | 1341 | Comment | ||
JEPS60560 | Clematis ligusticifolia | Frank W. Peirson | 1918-10-21 | 52 | Los Angeles | San Antonio Canyon | 1341 | Comment | ||
JEPS7146 | Plantago major | Frank W. Peirson | 1919-6-5 | 462 | Los Angeles | San Antonio Canyon San Gabriel Mountains | 1341 | Comment | ||
PASA2230 | Heuchera elegans | Frank W. Peirson | 1922-5-30 | Los Angeles | West spur of Mt. Lowe | 1341 | Comment | |||
RSA70850 | Arctostaphylos glandulosa subsp. mollis | F. W. Peirson | 1920-5-9 | 142 | Los Angeles | east trail to Mt. Lowe | 1341 | Comment | ||
RSA75882 | Nemophila menziesii var. integrifolia | F. W. Peirson | 1920-5-8 | 2739 | San Bernardino | San Antonio Canyon. | 1341 | Comment | ||
RSA0063270 | Heuchera elegans | F. W. Peirson | 1922-5-30 | 67 | Los Angeles | West spur of Mt Lowe, San Gabriel Mountains. | 1341 | Comment | ||
RSA90888 | Ericameria pinifolia | F. W. Peirson | 1918-11-25 | 2752 | San Bernardino | San Antonio Canyon, San Gabriel Mts. | 1341 | Comment | ||
RSA65500 | Arenaria macradenia var. arcuifolia | F. W. Peirson | 1929-7-1 | 8430 | Los Angeles | Aliso Creek at Tie Canyon. | 1356 | Comment | ||
RSA75442 | Camissonia hirtella | F. W. Peirson | 1929-6-30 | 8421 | Los Angeles | Clearing below the road near Tie Canyon stream; Aliso Creek, San Gabriel Mts. | 1357 | Comment | ||
CAS-BOT-BC207241 | Lupinus peirsonii | Frank W. Peirson | 1930-5-30 | 8904 | Los Angeles | Rock Cr., San Gabriel Range | 1371 | Comment | ||
CAS-BOT-BC207252 | Lupinus peirsonii | Frank W. Peirson | 1930-5-30 | 8904 | Los Angeles | Rock Creek, San Gabriel Mts. | 1371 | Comment | ||
JEPS26956 | Senecio astephanus | Frank W. Peirson | 1920-6-10 | 1432 | Los Angeles | near Inspiration Point (on Mt. Lowe); San Gabriel Mts., Mt. Lowe | 1371 | Comment | ||
JEPS43825 | Clarkia dudleyana | Frank W. Peirson | 1919-6-7 | 466 | Los Angeles | Cow Canyon Divide San Gabriel Mountains | 1371 | Comment | ||
JEPS47607 | Allium cratericola | Frank W. Peirson | 1922-5-21 | 3069 | Riverside | small side canyon, on e side of Hemet Valley San Jacinto Mts., Hemet Valley | 1371 | Comment | ||
RSA90215 | Astragalus filipes | F. W. Peirson | 1922-5-20 | 3341 | Riverside | Hemet Valley, San Jacinto Mountains. | 1371 | Comment | ||
RSA69985 | Mirabilis pumila | F. W. Peirson | 1920-8-26 | 2257 | San Bernardino | Santa Ana River, San Bernardino Mountains. | 1372 | Comment | ||
RSA74955 | Phacelia curvipes | F. W. Peirson | 1929-5-4 | 8354 | San Diego | Along trail from Oak Grove to Palomar Mt. | 1372 | Comment | ||
RSA86802 | Rosa californica | F. W. Peirson | 1920-8-26 | s.n. | San Bernardino | Santa Ana River | 1372 | Comment | ||
POM9778 | Collinsia parryi | F. W. Peirson | 1920-5-28 | 2156 | Los Angeles | San Antonio Mountains: Bear Canyon | 1372 | Comment | ||
RSA0004551 | Oenothera kernensis | F. W. Peirson | 1930-5-13 | 8822 | Kern | East slope of Walker Pass, Freeman Canyon. | 1372 | Comment | ||
RSA66738 | Eschscholzia caespitosa subsp. caespitosa | F. W. Peirson | 1921-7-16 | 2503 | Los Angeles | East fork of San Gabriel River. | 1372 | Comment | ||
PASA2571 | Myosurus aristatus | Frank W. Peirson | 1922-5-20 | 3035 | Riverside | Helmet Valley, San Jacinto Mtns. | 1386 | Comment | ||
JEPS27935 | Balsamorhiza deltoidea | Frank W. Peirson | 1941-5-31 | 13079 | Fresno | Kings River, Cedar Grove | 1402 | Comment | ||
RSA65685 | Lewisia brachycalyx | F. W. Peirson | 1925-5-18 | 5990 | San Diego | Cuyamaca Lake, north of dam | 1402 | Comment | ||
RSA70204 | Allium amplectens | F. W. Peirson | 1925-5-18 | 5986 | San Diego | Camp ground at Cuyamaca Lake | 1402 | Comment | ||
UC912302 | Micropus californicus | Frank W. Peirson | 1925-5-18 | 5981 | San Diego | roadside near Automobile Camp (Cuyamaca Laek); Cuyamaca Lake | 1402 | Comment | ||
RSA0017275 | Gilia ochroleuca subsp. exilis | F. W. Peirson | 1938-5-30 | 12413 | Riverside | Thomas Mountain, Hemet Valley. | 1402 | Comment | ||
RSA91412 | Trifolium albopurpureum | F. W. Peirson | 1925-5-18 | 5974 | San Diego | North shore of Cyamaca Lake | 1402 | Comment | ||
RSA93329 | Downingia concolor var. brevior | F. W. Peirson | 1925-5-19 | 5982 | San Diego | Cuyamaca Lake | 1402 | Comment Read comments Mar 21 2014 |
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SD87560 | Linanthus orcuttii | Frank W. Peirson | 1920-6-24 | 2173 | San Diego | Ridge westward from Palomar Peak (IPB 2/06) | 1431 | Comment | ||
CAS-BOT-BC114141 | Cyperus squarrosus | Frank Warrington Peirson | 1920-6-22 | 2684 | San Diego | Meadow at east foot of Morgan Hill, Palomar Mts. | 1432 | Comment | ||
JEPS61293 | Mirabilis pumila | Frank W. Peirson | 1922-8-27 | 3288 | San Bernardino | Santa Ana River; San Bernardino Mts, Santa Ana River | 1432 | Comment | ||
UC501427 | Navarretia leptalea subsp. leptalea | Frank W. Peirson | 1932-7-9 | 10288 | Shasta | Burney Spring | 1432 | Comment | ||
UC501512 | Sidalcea oregana subsp. spicata | Frank W. Peirson | 1932-7-9 | 10273 | Shasta | Burney Spring | 1432 | Comment | ||
UCD85951 | Koeleria macrantha | F. W. Peirson | 1932-7-9 | 10266 | Shasta | Burney Spring. | 1432 | Comment | ||
RSA65032 | Silene occidentalis | F. W. Peirson | 1932-7-16 | 10307 | Shasta | Burney Spring. | 1433 | Comment | ||
RSA69612 | Lilaea scilloides | F. W. Peirson | 1924-6-24 | 4830 | San Diego | South of Cuyamaca Lake. | 1433 | Comment | ||
RSA73687 | Linanthus orcuttii subsp. pacificus | F. W. Peirson | 1920-6-24 | 2173 | San Diego | Meadow east of Morgan Hill; Palomar Mts. | 1433 | Comment | ||
RSA87124 | Koeleria macrantha | F. W. Peirson | 1932-7-9 | 10266 | Shasta | along water course below Burney Spring | 1433 | Comment | ||
RSA66729 | Galium bolanderi | F. W. Peirson | 1932-7-16 | 10300 | Shasta | Burney Spring. | 1433 | Comment | ||
RSA92104 | Cyperus squarrosus | F. W. Peirson | 1920-6-22 | 2684 | San Diego | East foot of Morgan Hill, Palomar Mountains | 1433 | Comment | ||
RSA93094 | Erigeron philadelphicus | F. W. Peirson | 1932-7-16 | 10313 | Shasta | Near stream from Burney Springs | 1433 | Comment | ||
RSA73349 | Clarkia xantiana subsp. parviflora | F. W. Peirson | 1919-6-5 | 5307 | Los Angeles | San Antonio Canyon, along stream bed above bridge. | 1448 | Comment | ||
RSA75361 | Camissonia boothii subsp. desertorum | F. W. Peirson | 1938-7-10 | 12459 | Mono | Alluvial cone along west slope of White Mountains, directly below the old Devernois Ranch | 1463 | Comment | ||
UC501555 | Scirpus congdonii | Frank W. Peirson | 1932-7-19 | 10348 | Plumas | Feather River near Chester; Feather River near Chester | 1463 | Comment | ||
RSA65955 | Eriogonum umbellatum var. polyanthum | F. W. Peirson | 1932-7-16 | 10303 | Shasta | 1 mi. above Burney Spring, on road to Thousand- Lake Basin. | 1463 | Comment | ||
RSA75396 | Camissonia strigulosa | F. W. Peirson | 1928-6-2 | 7948 | Los Angeles | Open clearing, south fork of Rock Creek, San Gabriel Range | 1463 | 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 | ||
POM254663 | Atriplex rosea | F. W. Peirson | 1923-8-30 | 4009 | San Bernardino | Northeast part of San Gabriel Mts., Lone Pine Canyon, Clyde Ranch. | 1479 | Comment | ||
RSA69270 | Chimaphila menziesii | F. W. Peirson | 1924-6-22 | 4803 | San Diego | About 2 miles west of cmp, Doane Valley, Palomar Mts. | 1494 | Comment | ||
RSA93080 | Solidago confinis | F. W. Peirson | 1923-8-30 | 4025 | San Bernardino | Northeast part of San Gabriel Range; Clyde Ranch to Lone Pine Canyon. | 1494 | Comment | ||
PASA1812 | Corethrogyne filaginifolia | Frank W. Peirson | 1926-9-5 | San Bernardino | Arrowhead Lake, San Bernardino Mts. | 1523 | Comment | |||
CAS-BOT-BC205528 | Sidalcea hickmanii subsp. parishii | Frank W. Peirson | 1924-7-16 | 4971 | San Bernardino | Barton Flats Road, San Bernardino Mts. | 1524 | Comment | ||
JEPS18979 | Gutierrezia microcephala | Frank W. Peirson | 1923-9-1 | 4016 | Los Angeles | Sheep Creek San Gabriel Mountains, Sheep Creek | 1524 | Comment Read comments Aug 14 2013 |
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JEPS31580 | Camissoniopsis pallida subsp. pallida | Frank W. Peirson | 1919-6-14 | 478 | Los Angeles | Rock Creek San Gabriel Mountains | 1524 | Comment | ||
JEPS31639 | Calystegia peirsonii | F. W. Peirson | 1927-5-21 | 7301 | Los Angeles | Rock Creek , Rock Creek (San Gabriel Range) | 1524 | Comment | ||
JEPS31698 | Eremothera boothii subsp. decorticans | Frank W. Peirson | 1919-6-14 | 479 | Los Angeles | Rock Creek San Gabriel Mountains | 1524 | Comment | ||
JEPS46353 | Swertia neglecta | Frank W. Peirson | 1918-6-17 | 145 | Los Angeles | n side San Gabriel Mts; San Gabriel Mts., Rock Creek | 1524 | Comment | ||
JEPS9776 | Castilleja miniata | Frank W. Peirson | 1919-6-14 | 490 | Los Angeles | Big Rock Creek; San Gabriel Mountains | 1524 | Comment Read comments Jan 31 2008 |
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RSA71096 | Calystegia peirsonii | F. W. Peirson | 1927-5-21 | 7301 | Los Angeles | Rock Creek, north base of San Gabriel Mountains. | 1524 | Comment | ||
RSA73029 | Leptosiphon breviculus | F. W. Peirson | 1928-9-5 | 7082 | San Bernardino | Along shores of Arrowhead Lake. | 1524 | Comment | ||
RSA80694 | Epilobium densiflorum | F. W. Peirson | 1907-7-9 | 2085 | Los Angeles | Pine Flats, San Gabriel Mts. | 1524 | Comment | ||
RSA82251 | Castilleja miniata | F. W. Peirson | 1924-6-25 | 4844 | San Diego | Laguna Mountains: Meadow near Laguna Lakes. | 1524 | Comment Read comments Jan 31 2008 |
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RSA84267 | Ranunculus aquatilis var. capillaceus | F. W. Peirson | 1924-6-27 | 4864 | San Diego | ponds at Laguna Lakes | 1524 | Comment | ||
RSA85241 | Horkelia rydbergii | F. W. Peirson | 1921-6-16 | 2448 | Los Angeles | Pine Flats. | 1524 | Comment Read comments Jul 29 2016 |
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RSA86834 | Rubus ursinus | F. W. Peirson | 1924-6-24 | 4814 | San Diego | Henshaw Grade, south slope of Palomar Mts. | 1524 | Comment | ||
RSA87350 | Galium andrewsii | F. W. Peirson | 1920-6-24 | 4499 | San Diego | On east trail to Palomar Mtn. | 1524 | Comment | ||
RSA0105526 | Eriastrum densifolium subsp. austromontanum | F. W. Peirson | 1906-8-16 | 4127 | San Bernardino | Santa Ana River, near Seven Oaks. | 1524 | Comment | ||
RSA72651 | Helianthella californica var. nevadensis | F. W. Peirson | 1932-7-16 | 10301 | Shasta | On trail to Thousand-Lake Basin. | 1524 | Comment | ||
RSA80701 | Circaea alpina subsp. pacifica | F. W. Peirson | 1908-7-10 | 2089 | Tulare | Nelson, on Tule River, Sierra Nevada | 1524 | Comment | ||
RSA92425 | Helianthus gracilentus | F. W. Peirson | 1929-8-23 | 8581 | San Bernardino | City Creek Grade below Fredalba | 1524 | Comment | ||
RSA92654 | Salix lasiolepis | F. W. Peirson | 1933-4-14 | 10648 | Riverside | Road between Banning and Idyllwild. | 1524 | Comment | ||
RSA94948 | Tetradymia canescens | F. W. Peirson | 1927-7-25 | 7547 | Inyo | grade up Volcanic Table land north of Bishop | 1524 | Comment | ||
RSA97228 | Garrya flavescens var. pallida | F. W. Peirson | 1921-3-21 | 4464 | Riverside | Gordon trail from Andreas Canyon, San Jacinto Mts. | 1524 | Comment | ||
RSA71003 | Cuscuta ceanothi | F. W. Peirson | 1924-7-29 | 5036 | Riverside | Banning to Idyllwild Rd. | 1555 | Comment | ||
RSA91699 | Gnaphalium palustre | F. W. Peirson | 1924-7-29 | 5030 | Riverside | Banning to Idyllwild road, San Jacinto Mountains. | 1570 | Comment | ||
JEPS85628 | Keckiella ternata var. ternata | Frank W. Peirson | 1918-8-6 | 263 | Los Angeles | Mt. Wilson; San Gabriel Mountains | 1584 | Comment | ||
CAS-BOT-BC346368 | Psorothamnus arborescens | Frank W. Peirson | 1938-7-10 | 12453 | Mono | W slope of the White Mountains | 1584 | Comment | ||
RSA70217 | Allium campanulatum | F. W. Peirson | 1924-6-22 | 4797 | San Diego | Near the Country Club, Mt. Palomar. | 1585 | Comment | ||
RSA90229 | Astragalus douglasii | F. W. Peirson | 1924-6-22 | 4799 | San Diego | Near the Country Club, Mt. Palomar. | 1585 | Comment | ||
CAS-BOT-BC226205 | Gilia interior | F. W. Peirson | 1930-5-14 | 8856 | Kern | On road from Kernville to Glenville [Glennville], Greenhorn Range | 1600 | Comment | ||
RSA77734 | Viola purpurea subsp. quercetorum | F. W. Peirson | 1930-5-14 | 8857 | Kern | On road from Kernville to Glenville, Greenhorn Range | 1601 | Comment | ||
RSA73358 | Clarkia rhomboidea | F. W. Peirson | 1924-6-22 | 4784 | San Diego | At Country Club, Palomar Mts. | 1616 | Comment | ||
RSA79849 | Penstemon labrosus | F. W. Peirson | 1924-6-22 | 4790 | San Diego | At Country Club, Palomar Mts. | 1616 | Comment | ||
RSA0104954 | Sedum spathulifolium | F. W. Peirson | 1922-6-26 | 4432 | San Bernardino | Barton Flats road, near Glen Martin, San Bernardino Mts. | 1616 | Comment | ||
JEPS40141 | Arceuthobium campylopodum | Frank W. Peirson | 1921-6-15 | 2322 | Los Angeles | near Chilao San Gabriel Mtns | 1645 | Comment | ||
CAS-BOT-BC219187 | Ribes nevadense | Frank W. Peirson | 1919-5-10 | 688 | Los Angeles | Trail from Arraster Creek, Mount Gleason, San Gabriel Mountains | 1676 | Comment | ||
CAS-BOT-BC9457 | Mimulus diffusus | Frank Warrington Peirson | 1925-5-15 | 5919 | San Diego | Laguna Lakes, Laguna Mtns. | 1676 | 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 | ||
LA38962 | Mimulus palmeri | Frank W. Peirson; | 1925-5-15 | 5919 | San Diego | Laguna Lakes auto camp, N of camp | 1676 | Comment | ||
UC511783 | Phacelia davidsonii | Frank W. Peirson | 1925-5-15 | 5915 | San Diego | Laguna Lakes Auto Camp Laguna Mts. | 1676 | Comment | ||
UC581530 | Viola lobata subsp. integrifolia | Frank W. Peirson | 1925-5-19 | 5996 a | San Diego | Middle Peak; Cuyamaca Mountains, Middle Peak | 1676 | Comment | ||
PASA2282 | Antennaria dimorpha | Frank W. Peirson | 1921-6-15 | Los Angeles | Pine Flats, San Gabriel Mts. | 1676 | Comment | |||
RSA84474 | Ceratophyllum demersum | F. W. Peirson | 1921-6-19 | 2614 | Los Angeles | Crystal Lake, North Fork San Gabriel River | 1676 | Comment | ||
RSA91741 | Gnaphalium stramineum | F. W. Peirson | 1921-6-19 | 2583 | Los Angeles | Crystal Lake, North Fork San Gabriel River | 1676 | Comment | ||
POM19058 | Viola sheltonii | F. W. Peirson | 1923-5-6 | 3496 | Orange | Santiago Peak. | 1677 | 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 | ||
RSA70378 | Euphorbia palmeri | F. W. Peirson | 1920-6-24 | 2201 | San Diego | On east trail to Palomar Mtn. | 1677 | Comment | ||
RSA71882 | Gilia diegensis | F. W. Peirson | 1920-6-24 | 2294 | San Diego | On east trail to Palomar Mtn. | 1677 | Comment | ||
RSA73345 | Clarkia xantiana | F. W. Peirson | 1928-6-2 | 7943 | Los Angeles | Trail up South Fork of Rock Creek. | 1677 | Comment | ||
RSA74935 | Phacelia davidsonii | F. W. Peirson | 1923-5-6 | 3499 | Orange | Summit of Santiago Peak. | 1677 | Comment | ||
RSA74937 | Phacelia davidsonii | F. W. Peirson | 1921-6-14 | 2826 | Los Angeles | San Gabriel Mountains. Pine Flats, headwaters of Tujunga Creek. | 1677 | Comment | ||
RSA74942 | Phacelia davidsonii | F. W. Peirson | 1925-5-15 | 5915 | San Diego | Public Camp, laguna Mts | 1677 | Comment | ||
RSA76781 | Saltugilia caruifolia | F. W. Peirson | 1920-6-24 | 2295 | San Diego | Trail from Oak Grove to Palomar Mountain | 1677 | Comment | ||
RSA77438 | Angelica tomentosa | F. W. Peirson | 1924-7-29 | 5024 | Riverside | Open Mountain slope on road from Banning to Idyllwild, San Jacinto Mountains. | 1677 | Comment | ||
RSA77702 | Ceanothus palmeri | F. W. Peirson | 1920-6-24 | 4193 | San Diego | West of summit of Mt. Palomar, [Palomar Mountains]. | 1677 | Comment | ||
RSA80745 | Cryptantha oxygona | F. W. Peirson | 1921-6-15 | 2463 | Los Angeles | Trail from Pine Flats to Chilao | 1677 | Comment | ||
RSA84842 | Ribes nevadense | F. W. Peirson | 1919-5-10 | 688 | Los Angeles | Trail from Arraster [Arrastre] Creek to Mt. Gleason, San Gabriel Mts. | 1677 | Comment Read comments Aug 21 2014 |
||
RSA0070618 | Cirsium douglasii var. breweri | F. W. Peirson | 1926-6-22 | 6824 | Lassen | Near Hot Springs, Drakesbad, Mount Lassen National Park. | 1677 | Comment | ||
RSA75504 | Phacelia brachyloba | F. W. Peirson | 1924-7-16 | 4969 | San Bernardino | Road to Barton Flats, San Bernardino Mts. | 1677 | Comment | ||
RSA91249 | Vicia americana | F. W. Peirson | 1920-6-24 | 2175 a | San Diego | Trail from Oak Grove to Palomar Mountain | 1677 | Comment | ||
RSA91286 | Lessingia glandulifera var. glandulifera | F. W. Peirson | 1933-7-28 | 10710 | Mono | Sherwin Grade, Owens Valley (north of Bishop) | 1677 | Comment | ||
RSA97160 | Lomatium dissectum var. multifidum | F. W. Peirson | 1920-5-19 | 2153 | San Bernardino | Coldwater Canyon, fork of Lytle Creek, San Gabriel Mountains | 1677 | Comment | ||
JEPS17041 | Lomatium nevadense var. parishii | Frank W. Peirson | 1919-6-14 | 473 | Los Angeles | San Gabriel Mts., Rock Creek canyon | 1706 | Comment | ||
JEPS50882 | Silene verecunda subsp. platyota | Frank W. Peirson | 1919-6-14 | 474 | Los Angeles | Rock Creek San Gabriel Mountains, Rock Creek | 1706 | Comment | ||
RSA65063 | Silene verecunda subsp. platyota | F. W. Peirson | 1919-6-14 | 474 | Los Angeles | Rock Creek, north slope of San Gabriel Mountains | 1707 | Comment | ||
RSA90390 | Lotus strigosus | F. W. Peirson | 1918-5-26 | 323 | Los Angeles | Summit of Mt. Wilson. | 1707 | Comment | ||
JEPS19910 | Arctostaphylos parryana | Frank W. Peirson | 1919-5-10 | 429 | Los Angeles | Mt. Gleason | 1737 | Comment Read comments Aug 21 2014 |
||
JEPS4691 | Mimulus johnstonii | F. W. Peirson | 1918-6-30 | 196 | Los Angeles | summit Mt. Wilson; San Gabriel Mts. | 1737 | Comment | ||
RSA73058 | Leptosiphon ciliatus | F. W. Peirson | 1920-6-10 | 2790 | Los Angeles | San Gabriel Mts., summit of Mt. Wilson | 1738 | Comment | ||
RSA66340 | Eriogonum davidsonii | F. W. Peirson | 1919-7-29 | 18 | Los Angeles | Summit of Mt. Wilson, San Gabriel Mountains | 1738 | Comment | ||
UCR129355 | Heuchera elegans | F. W. Peirson | 1924-5-27 | 4639 | Los Angeles | San Gabriel Mtns., north slope, Strawberry Peak | 1753 | Comment | ||
CAS-BOT-BC109457 | Sidotheca caryophylloides | Frank W. Peirson | 1924-7-29 | 5019 | Riverside | San Jacinto Mountains. Banning-Idlewild Road. | 1767 | Comment | ||
PASA2373 | Euonymus parishii | Frank W. Peirson | 1924-7-27 | Riverside | Dark Canyon, San Jacinto Mts. | 1767 | Comment | |||
RSA72996 | Leptosiphon breviculus | F. W. Peirson | 1924-5-15 | 4564 | San Bernardino | Cactus Flat, San Bernardino Mts. level open place on hills. | 1768 | Comment | ||
RSA76931 | Euonymus occidentalis var. parishii | F. W. Peirson | 1924-7-27 | 4983 | Riverside | Dark Canyon, San Jacinto Mts. | 1768 | Comment | ||
CAS-BOT-BC221192 | Calystegia malacophylla subsp. pedicellata | Frank W. Peirson | 1923-6-10 | 3555 | Ventura | Seymour Creek, Mt. Pinos | 1798 | Comment | ||
CAS-BOT-BC90796 | Artemisia ludoviciana subsp. ludoviciana | F. W. Peirson | 1923-9-1 | 3197 | San Bernardino | Ranger Station, Swartout Valley, north slope of San Gabriel Mts. | 1798 | Comment | ||
JEPS54731 | Astragalus lentiginosus var. antonius | Frank W. Peirson | 1922-7-7 | 3194 | Los Angeles | Ranger's Cabin Swartout Valley (San Gabriel Mountains); , Swartout Valley | 1798 | Comment | ||
RSA70245 | Allium howellii var. clokeyi | F. W. Peirson | 1923-6-10 | 3598 | Ventura | Seymour Creek, Mt. Pinos. | 1799 | Comment | ||
RSA86290 | Ivesia saxosa | F. W. Peirson | 1924-5-15 | 4605 | San Bernardino | Cactus Flat. | 1799 | Comment | ||
RSA88859 | Carex praegracilis | F. W. Peirson | 1922-7-6 | 3176 | San Bernardino | Rangers Cabin, Swartout Valley, north side of San Gabriel Mountains. | 1799 | Comment | ||
RSA0017070 | Gilia ochroleuca subsp. bizonata | F. W. Peirson | 1923-6-10 | 3582 | Ventura | Seymour Creek, Mt. Pinos. | 1799 | Comment | ||
RSA90412 | Lotus oblongifolius | F. W. Peirson | 1924-7-28 | 5018 | 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 | ||
RSA91393 | Trifolium cyathiferum | F. W. Peirson | 1922-7-29 | 3217 | Ventura | Seymour Creek, Mt. Pinos. | 1799 | Comment | ||
CAS-BOT-BC6696 | Phacelia austromontana | Frank Warrington Peirson | 1928-6-2 | 7940 | Los Angeles | San Gabriel Mts., S. Fork Rock Cr. | 1828 | Comment | ||
JEPS17817 | Calochortus splendens | Frank W. Peirson | 1924-6-27 | 4858 | San Diego | near Little Lake; Laguna Mts. | 1828 | Comment | ||
JEPS2116 | Phacelia austromontana | Frank W. Peirson | 1928-6-2 | 7940 | Los Angeles | South Fork Rock Creek San Gabriel Range | 1828 | Comment | ||
JEPS44949 | Prunus emarginata | Frank W. Peirson | 1919-6-16 | 492 | Los Angeles | South Fork Rock Creek | 1828 | Comment | ||
PASA1520 | Viola douglasii | Frank W. Peirson | 1925-5-15 | San Diego | Laguna Lakes Auto Camp, Laguna Mts. | 1828 | Comment | |||
RSA171916 | Astragalus cimae var. cimae | F. W. Peirson | 1930-4-16 | 8738 | San Bernardino | Summit of grade on Cima Road, over New York Mountains | 1828 | Comment | ||
RSA85313 | Mahonia dictyota | F. W. Peirson | 1923-8-30 | 11701 | San Bernardino | Colony on south side of road a short distance west of the Lone Pine Canyon divide, Swartout Valley. | 1828 | Comment | ||
UC501634 | Lessingia tenuis | Frank W. Peirson | 1922-7-31 | 3242 | Ventura | Seymour Creek Mt. Pinos Region, Seymour Creek | 1828 | Comment | ||
CAS-BOT-BC421027 | Polygonum spergulariiforme | Frank W. Peirson | 1931-8-10 | 9564 | Nevada | Donner Lake | 1828 | Comment | ||
CAS-BOT-BC428418 | Lithophragma tenellum | F. W. Peirson | 1921-6-16 | 2442 | Los Angeles | Trail north of Mt. Waterman, San Gabriel Mts. | 1828 | Comment | ||
POM11374 | Keckiella breviflora | F. W. Peirson | 1922-7-29 | 3237 | Ventura | Seymour Creek, Mt. Pinos. | 1829 | Comment | ||
RSA66198 | Arabis pulchra | F. W. Peirson | 1924-5-15 | 4568 | San Bernardino | Cactus Flat | 1829 | Comment | ||
RSA70583 | Sisyrinchium bellum | Frank W. Peirson | 1918-7-8 | 11 | San Bernardino | San Antonio Canyon, Los Angeles-San Bernardino County Line | 1829 | Comment | ||
RSA73015 | Leptosiphon pygmaeus subsp. pygmaeus | F. W. Peirson | 1925-5-15 | 5924 | San Diego | Laguna Lakes, Laguna Mountains | 1829 | Comment | ||
RSA82036 | Cordylanthus nevinii | F. W. Peirson | 1920-9-15 | 2248 | San Bernardino | North Fork of Lytle Creek | 1829 | Comment | ||
POM354311 | Phoradendron densum | F. W. Peirson | 1922-7-2 | 3251 | Ventura | Saymouer Cr.-Mt. Pinos | 1829 | Comment | ||
RSA66043 | Eriogonum baileyi var. baileyi | F. W. Peirson | 1922-7-31 | 3243 | Ventura | Seymour Creek. | 1829 | Comment | ||
RSA69254 | Pleuricospora fimbriolata | F. W. Peirson | 1919-8-15 | 840 | Tulare | Giant Forest, Sierra Nevada. | 1829 | Comment | ||
RSA80108 | Mimulus breweri | F. W. Peirson | 1932-7-25 | 10407 | Tuolumne | Sonora Road along the Stanislaus River | 1829 | Comment | ||
RSA82330 | Scutellaria californica | F. W. Peirson | 1931-8-10 | 9562 | Nevada | Near west end of Donner Lake. | 1829 | Comment | ||
RSA90372 | Lotus nevadensis | F. W. Peirson | 1931-8-10 | 9561 | Nevada | West of Donner Lake. | 1829 | Comment | ||
RSA92147 | Bulbostylis capillaris | F. W. Peirson | 1932-7-25 | 10405 | Tuolumne | Sonora Road along the Stanislaus River | 1829 | Comment | ||
RSA92522 | Viguiera multiflora var. nevadensis | F. W. Peirson | 1932-5-7 | 9912 | Inyo | North Fork of Hanaupah Canyon, Panamint Mountains | 1829 | Comment | ||
RSA92903 | Madia elegans | F. W. Peirson | 1922-7-31 | 4240 | Ventura | Seymour Creek. | 1829 | Comment | ||
RSA95283 | Rhamnus tomentella subsp. tomentella | F. W. Peirson | 1922-7-29 | 3256 | Ventura | Seymour Creek, Mt Pinos | 1829 | Comment | ||
RSA99373 | Lonicera interrupta | F. W. Peirson | 1922-7-29 | 4505 | Ventura | Seymour Creek, Mt. Pinos. | 1829 | Comment | ||
PASA913 | Agoseris heterophylla | Frank W. Peirson | 1922-7-7 | San Bernardino | Swartout Valley | 1843 | Comment | |||
POM99353 | Symphoricarpos rotundifolius var. parishii | F. W. Peirson | 1921-6-17 | 2439 | Los Angeles | along stream north of Mt Waterman. San Gabriel Mountains. | 1859 | Comment | ||
RSA74720 | Nama densa | F. W. Peirson | 1938-7-8 | 12421 | Mono | Sherwin Grade. | 1890 | Comment | ||
RSA74723 | Nama aretioides | F. W. Peirson | 1938-7-8 | s.n. | Mono | Sherwin Grade. | 1890 | Comment | ||
RSA91263 | Lupinus latifolius subsp. parishii | F. W. Peirson | 1922-7-29 | 3257 | Ventura | Seymour Creek, Mt. Pinos. | 1890 | Comment | ||
PASA1902 | Gayophytum caesium | Frank W. Peirson | 1925-7-1 | El Dorado | Lake Tahoe | 1904 | Comment | |||
SEINET180137 | Muhlenbergia richardsonis | Frank W. Peirson | 1935-8-2 | El Dorado | State Line Lake Tahoe. | 1905 | Comment | |||
UC555562 | Horkelia fusca subsp. parviflora | Frank W. Peirson | 1925-7-1 | 6184 | El Dorado | State Line Lake Tahoe | 1905 | Comment | ||
RSA0081611 | Pyrola aphylla | F. W. Peirson | 1924-7-27 | 4988 | Riverside | Dark Canyon, San Jacinto Mts. | 1905 | Comment | ||
RSA298500 | Calystegia occidentalis subsp. fulcrata | F. W. Peirson | 1919-6-14 | 497 | Los Angeles | Rock Creek. | 1905 | Comment | ||
RSA65045 | Silene lemmonii | F. W. Peirson | 1925-7-2 | 6217 | El Dorado | On south side of Lake Tahoe. | 1905 | Comment | ||
RSA65643 | Montia linearis | F. W. Peirson | 1925-7-1 | 6189 | El Dorado | State Line, Lake Tahoe | 1905 | Comment | ||
RSA72117 | Epilobium oregonense | F. W. Peirson | 1925-7-1 | 6197 | El Dorado | State Line, Lake Tahoe. Sierra Nevada. | 1905 | Comment | ||
RSA85791 | Drymocallis glandulosa var. reflexa | F. W. Peirson | 1928-6-2 | 7936 | Los Angeles | Along trail up South Fork of Rock Creek, | 1905 | Comment | ||
RSA92132 | Eleocharis palustris | F. W. Peirson | 1925-7-2 | 6206 | El Dorado | On south side of 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 | ||
JEPS5603 | Delphinium gracilentum | Frank W. Peirson | 1936-5-30 | 11825 | Tulare | along wood road Balch Park | 1920 | Comment | ||
JEPS61812 | Disporum hookeri | Frank W. Peirson | 1936-5-30 | 11824 | Tulare | Balch Park | 1920 | 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 | ||
SD87626 | Malacothamnus fasciculatus | F. W. Peirson | 1922-7-30 | 3247 | Ventura | Mt. Pinos, south fork of Seymour Creek. | 1920 | Comment | ||
UCR136622 | Collinsia parviflora | F. W. Peirson | 1922-6-24 | 3141 | San Bernardino | San Bernardino Mtns., Santa Ana River at the South Fork | 1921 | Comment | ||
RSA79858 | Penstemon speciosus | F. W. Peirson | 1931-8-10 | 9549 | El Dorado | Along boulevard on west shore of Lake Tahoe. | 1921 | Comment | ||
RSA91232 | Alnus rhombifolia | F. W. Peirson | 1924-7-12 | 4930 | San Bernardino | Santa Ana River. | 1921 | Comment | ||
RSA95229 | Stephanomeria lactucina | F. W. Peirson | 1931-8-10 | 9550 | El Dorado | Along boulevard on west shore of Lake Tahoe. | 1921 | Comment | ||
RSA65019 | Silene menziesii subsp. dorrii | F. W. Peirson | 1922-6-24 | 4287 | San Bernardino | Santa Ana River | 1936 | Comment | ||
JEPS1462 | Phacelia bicolor var. bicolor | F. W. Peirson | 1934-7-8 | Mono | Sherwin Hill | 1950 | Comment | |||
JEPS18583 | Brickellia microphylla var. microphylla | F. W. Peirson | 1934-7-30 | Mono | Sherwin Hill | 1950 | Comment | |||
JEPS56727 | Eriogonum microthecum var. ambiguum | Frank W. Peirson | 1934-7-8 | 11159 | Mono | Sherwin Hill | 1950 | Comment | ||
UC501559 | Deschampsia cespitosa subsp. cespitosa | Frank W. Peirson | 1932-7-12 | 10106 | Shasta | 1000-Lake Basin s. of Burney (along shore of Lake Eiler); 1000-Lake Basin, Lake Eiler | 1950 | Comment | ||
UC501608 | Juncus orthophyllus | Frank W. Peirson | 1932-7-13 | 10123 | Shasta | s of Burney; 1000-Lake Basin | 1950 | Comment | ||
CAS-BOT-BC464498 | Allium campanulatum | F. W. Peirson | 1932-7-12 | s.n. | Shasta | 1000- Lake Basin | 1950 | Comment | ||
UC501480 | Hypericum formosum var. scouleri | Frank W. Peirson | 1922-6-30 | 3241 | Ventura | Mt. Pinos Region, Seymour Creek | 1950 | Comment | ||
UC599221 | Eriophyllum pringlei | Frank W. Peirson | 1938-7-9 | 12450 | Mono | 1.5 mi se Benton | 1950 | Comment | ||
POM203740 | Brickellia microphylla | F. W. Peirson | 1934-7-30 | s.n. | Mono | Summit Sherwin Hill | 1951 | Comment | ||
RSA66040 | Eriogonum baileyi var. baileyi | F. W. Peirson | 1933-7-28 | 10713 | Mono | Summit of Sherwin Grade | 1951 | Comment | ||
RSA69655 | Spiranthes porrifolia | Frank W. Peirson | 1932-7-12 | 10133 | Shasta | Along shore of Lake Eiler. Thousand-Lake Basin. | 1951 | Comment | ||
RSA70064 | Juncus parryi | F. W. Peirson | 1932-7-12 | 10121 | Shasta | In crater of Red Crater Hill; Thousand-Lake Basin. | 1951 | Comment | ||
RSA70283 | Juncus nevadensis | F. W. Peirson | 1932-7-14 | 10119 | Shasta | Shores of Lake Eiler, Thousand-Lake Basin. | 1951 | Comment | ||
RSA84973 | Ribes roezlii | F. W. Peirson | 1919-6-14 | 690 | Los Angeles | near top of Big Rock Creek | 1951 | Comment | ||
POM87031 | Allium campanulatum | F. W. Peirson | 1925-7-4 | 6262 | El Dorado | Road along E shore of Fallen Leaf Lake. | 1951 | Comment | ||
POM87076 | Heterotheca villosa var. minor | F. W. Peirson | 1925-7-5 | 6283 | El Dorado | Near Fallen Leaf Lodge. | 1951 | Comment | ||
RSA0129806 | Arabis platysperma | F. W. Peirson | 1932-7-10 | 10153 | Shasta | Thousand-Lake Basin. | 1951 | Comment | ||
RSA51464A | Scirpus microcarpus | F. W. Peirson | 1922-7-30 | 3228 | Ventura | South Fork of Seymour Creek Cienega, Mt. Pinos. | 1951 | Comment | ||
RSA70448 | Allium campanulatum | F. W. Peirson | 1932-7-12 | 10129 | Shasta | Trail below camp; Thousand-Lake Basin. | 1951 | Comment | ||
RSA75695 | Camissonia heterochroma | F. W. Peirson | 1934-7-8 | 11160 | Mono | Sherwin Hill | 1951 | Comment | ||
RSA78643 | Asarum hartwegii | F. W. Peirson | 1932-7-14 | 13546 | Shasta | 1000-Lake Basin, Growing near camp on Lake Eiler | 1951 | Comment | ||
RSA84314 | Isoetes bolanderi | F. W. Peirson | 1932-7-16 | 10102 | Shasta | Small pond just separated from Lake Eiler, Thousand-Lake Basin. | 1951 | Comment | ||
RSA87231 | Lupinus lyallii var. lyallii | F. W. Peirson | 1932-7-11 | 10174 | Shasta | Forest floor of the interlake region. Thousand-lake Basin, Shasta Co. | 1951 | Comment | ||
RSA88796 | Carex whitneyi | F. W. Peirson | 1932-7-13 | 10113 | Shasta | Dry places southwest of Red Crater, Thousand-Lake Basin. | 1951 | Comment | ||
RSA93261 | Heterotheca villosa var. minor | F. W. Peirson | 1925-7-5 | 6283 | El Dorado | Near Fallen Leaf Lodge. | 1951 | Comment | ||
RSA93338 | Kelloggia galioides | F. W. Peirson | 1932-7-14 | 10222 | Shasta | Thousand-Lake Basin. | 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 | ||
CAS-BOT-BC414167 | Polygonum aviculare subsp. buxiforme | Frank W. Peirson | 1927-7-28 | 7577 | Mono | Mono Lake aet Mono Inn | 1958 | Comment | ||
RSA77798 | Lappula occidentalis var. occidentalis | F. W. Peirson | 1927-7-28 | 7578 | Mono | Mono Lake. | 1959 | Comment | ||
RSA91238 | Vicia villosa | F. W. Peirson | 1927-7-28 | 7582 | Mono | Near Mono Lake. At Mono Inn. | 1959 | Comment | ||
SD87741 | Ericameria nauseosa var. oreophila | Frank W. Peirson | 1930-8-12 | 9205 | Mono | Mono Lake | 1965 | Comment | ||
JEPS20190 | Pyrrocoma racemosa var. sessiliflora | Frank W. Peirson | 1933-7-31 | 10762 | Mono | Mono Lake; n shore, back of beach | 1965 | Comment | ||
UC511729 | Astragalus lentiginosus var. albifolius | Frank W. Peirson | 1933-7-31 | 10758 | Mono | n shore Mono Lake; n shore Mono Lake | 1965 | Comment | ||
POM171919 | Astragalus casei | F. W. Peirson | 1930-8-12 | 9188 | Mono | North shore of Mono Lake | 1966 | Comment | ||
RSA112105 | Astragalus lentiginosus var. ineptus | F. W. Peirson | 1933-7-31 | 10758 | Mono | North shore Mono Lake. | 1966 | Comment | ||
JEPS36929 | Artemisia tridentata subsp. tridentata | Frank W. Peirson | 1920-9-15 | 1455 | San Bernardino | Lytle Creek San Gabriel Mts., Lytle Creek | 1981 | Comment | ||
JEPS47798 | Asclepias californica | Frank W. Peirson | 1919-6-15 | 496 | Los Angeles | Rock Creek; San Gabriel Mts. | 1981 | Comment | ||
UC570577 | Horkelia tridentata subsp. tridentata | Frank W. Peirson | 1935-7-23 | 11551 | Calaveras | Big Meadow N. Fork Stanislaus River Region | 1981 | Comment | ||
UC908885 | Gilia ochroleuca subsp. vivida | Frank W. Peirson | 1928-6-2 | 7934 | Los Angeles | S Fork Rock Cr , S. Fork Rock Cr. (San Gabriel Mts.) | 1981 | Comment | ||
CAS-BOT-BC82387 | Arnica discoidea | Frank W. Peirson | 1931-8-6 | s.n. | El Dorado | Trail from Angora Lakes to Fallen-Leaf Lake | 1981 | Comment | ||
PASA230 | Trifolium cyathiferum | Frank W. Peirson | 1925-7-2 | El Dorado | South side Lake Tahoe | 1981 | Comment | |||
RSA64721 | Eriogonum wrightii var. subscaposum | F. W. Peirson | 1924-9-1 | 5151 | San Bernardino | Johnson's Grade, east end of San Bernardino Mountains | 1982 | Comment | ||
RSA69659 | Juncus macrophyllus | F. W. Peirson | 1922-8-27 | 3271 | San Bernardino | Barton Flats, San Bernardino Mountains. | 1982 | Comment | ||
RSA74939 | Phacelia davidsonii | F. W. Peirson | 1929-7-1 | 8444 | Los Angeles | Mt. Pacifico: upper part of trail, San Gabriel Mountains. | 1982 | Comment | ||
RSA82534 | Stachys albens | F. W. Peirson | 1924-9-2 | 5189 | San Bernardino | San Bernardino Mountains: Near creek about 1 mile below Fish Camp. | 1982 | Comment | ||
RSA88681 | Carex lemmonii | F. W. Peirson | 1925-7-2 | 6225 | El Dorado | Glen Alpine Ranch, 0.25 miles above Fallen Leaf Lake, Sierra Nevada. | 1982 | Comment | ||
RSA88848 | Carex subfusca | F. W. Peirson | 1922-6-25 | 4268 | San Bernardino | Near Barton Flats, San Bernardino Mountains. | 1982 | Comment | ||
RSA0030025 | Delphinium patens subsp. montanum | F. W. Peirson | 1919-6-14 | 50 | Los Angeles | Rock Creek, San Gabriel Mountians. | 1982 | Comment | ||
RSA66013 | Eriogonum nudum var. pauciflorum | F. W. Peirson | 1920-9-16 | 20 | San Bernardino | North Fork, San Antonio Creek. San Gabriel Mountains | 1982 | Comment | ||
RSA73032 | Leptosiphon breviculus | F. W. Peirson | 1929-7-1 | 8443 | Los Angeles | Mt. Pacifico: upper part of trail, San Gabriel Mountains. | 1982 | Comment | ||
RSA73281 | Linanthus pungens | F. W. Peirson | 1929-7-1 | 8440 | Los Angeles | Mt. Pacifico: upper part of trail, San Gabriel Mountains. | 1982 | Comment | ||
RSA82033 | Cordylanthus rigidus subsp. rigidus | F. W. Peirson | 1919-8-15 | 1158 | Tulare | On trail from Redwood Meadow to Giant Forest. | 1982 | Comment | ||
RSA85214 | Horkelia tridentata | F. W. Peirson | 1935-7-23 | 11551 | Calaveras | Big Meadow, North Fork of Stanislaus River | 1982 | Comment | ||
RSA91721 | Gnaphalium thermale | F. W. Peirson | 1920-9-16 | 5251 | San Bernardino | North Fork, San Antonio Creek. San Gabriel Mountains | 1982 | Comment | ||
RSA92843 | Madia glomerata | F. W. Peirson | 1931-8-7 | 9529 | El Dorado | Glen Alpine Creek Basin | 1982 | Comment | ||
RSA92887 | Populus fremontii subsp. fremontii | F. W. Peirson | 1921-7-17 | 2513 | San Bernardino | Lytle Creek. | 1982 | Comment | ||
RSA95219 | Stephanomeria pauciflora | F. W. Peirson | 1919-8-28 | 1472 | Inyo | Saw Mill trail, near Independence. | 1982 | Comment | ||
RSA97452 | Comandra umbellata subsp. californica | F. W. Peirson | 1935-7-23 | 11547 | Calaveras | Big Meadow, N. Fork of Stanislaus River, Sierra Nevada. | 1982 | Comment | ||
PASA924 | Crepis acuminata | Frank W. Peirson | 1921-7-17 | Los Angeles | Praire Fork of the San Gabriel River | 2011 | Comment | |||
RSA72183 | Epilobium glaberrimum subsp. glaberrimum | F. W. Peirson | 1921-7-17 | 2499 | Los Angeles | Prairie Fork of San Gabriel River, San Gabriel Mountains. | 2012 | Comment | ||
RSA75517 | Phacelia fremontii | F. W. Peirson | 1922-7-7 | 4477 | Los Angeles | west end of Swartout Valley | 2012 | Comment | ||
RSA79465 | Collinsia torreyi | F. W. Peirson | 1932-7-12 | 10209 | Shasta | Along rim of Red Crater. Thousand Lake Basin. Sierra Nevada. | 2012 | Comment | ||
RSA64799 | Chenopodium salinum | F. W. Peirson | 1924-7-5 | 4915 | San Bernardino | North shore of Baldwin Lake | 2037 | Comment | ||
SD87712 | Layia glandulosa | F. W. Peirson | 1924-5-15 | 4591 | San Bernardino | Baldwin Lake, San Bernardino Mountains | 2040 | Comment | ||
CAS-BOT-BC116988 | Carex straminiformis | Frank Warrington Peirson | 1932-7-12 | 10110 | Shasta | Inner slope of the Red Crater, 1000-Lake Basin. South of Burney. | 2042 | Comment | ||
CAS-BOT-BC18112 | Carex athrostachya | Frank W. Peirson | 1929-7-11 | 8467 | San Bernardino | San Bernardino Mountains. Fawnskin, Bear Valley. | 2042 | Comment | ||
CAS-BOT-BC226879 | Linanthus killipii | F. W. Peirson | 1926-5-30 | 6748 | San Bernardino | On north side of Baldwin Lake, San Bernardino Mts., southern California | 2042 | Comment | ||
CAS-BOT-BC89816 | Lepidium montanum | Frank W. Peirson | 1933-7-29 | 10724 | Mono | On the floor of Crooked Creek Canyon. Owens River. | 2042 | Comment | ||
RSA90721 | Astragalus leucolobus | F. W. Peirson | 1924-5-15 | 4566 | San Bernardino | At foot of hills, Baldwin Lake | 2042 | Comment | ||
UC511879 | Horkeliella congdonis | Frank W. Peirson | 1933-7-29 | 10729 | Mono | on floor Crooked Creek Canyon; Owens River | 2042 | Comment | ||
CAS-BOT-BC196548 | Lupinus argenteus var. meionanthus | Frank W. Peirson | 1933-7-29 | 10750 | Mono | Owens River. Near Whisky Creek | 2042 | Comment | ||
PASA146 | Orthocarpus cinereus | Frank W. Peirson | 1931-7-1 | San Bernardino | Southwest shore of Baldwin Lake, San Bernardino Mts. | 2042 | Comment | |||
UC511732 | Pyrrocoma lanceolata var. lanceolata | Frank W. Peirson | 1933-7-29 | 10749 | Mono | along the river road s Whisky Creek; Owens River | 2042 | Comment | ||
UC511875 | Oxytheca dendroidea subsp. dendroidea | Frank W. Peirson | 1933-7-29 | 10732 | Mono | slopes about Whisky Creek Whisky Creek | 2042 | Comment | ||
UC511877 | Cleomella parviflora | Frank W. Peirson | 1933-7-29 | 10731 | Mono | Owens River | 2042 | Comment | ||
POM13530 | Galium hallii | F. W. Peirson | 1922-7-6 | s.n. | Los Angeles | 1 mile east of Big Pines in canyon at Saw Mill, Swartout Valley. | 2043 | Comment | ||
RSA65939 | Polygonum ramosissimum | F. W. Peirson | 1924-9-1 | 5161 | San Bernardino | North side of Baldwin Lake, San Bernardino Mountains. | 2043 | Comment | ||
RSA70529 | Calochortus invenustus | Frank W. Peirson | 1930-7-1 | 8964 | San Bernardino | Baldwin Lake | 2043 | Comment | ||
RSA77248 | Hesperochiron californicus | F. W. Peirson | 1924-5-16 | 4585 | San Bernardino | A few feet back from margin of Bear Lake, at east end; San Bernardino Mountains. | 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 | ||
RSA85794 | Potentilla anserina | F. W. Peirson | 1924-5-15 | 4593 | San Bernardino | Baldwin Lake. | 2043 | Comment | ||
RSA86789 | Elymus | F. W. Peirson | 1933-7-29 | 10735 | Mono | Low ground in Whiskey Creek near the Owens River. | 2043 | Comment | ||
RSA87405 | Lupinus confertus | F. W. Peirson | 1916-7-6 | 708 | San Bernardino | Big Bear Lake, San Bernardino Mts. | 2043 | Comment | ||
RSA91064 | Trifolium longipes subsp. atrorubens | F. W. Peirson | 1924-5-16 | 4598 | San Bernardino | 2.5 miles from Bear Lake Dam on south side of Bear Lake | 2043 | Comment | ||
RSA64795 | Chenopodium leptophyllum var. leptophyllum | F. W. Peirson | 1934-7-8 | 11162 | Mono | Owens River, about Whisky Creek | 2043 | Comment | ||
RSA65264 | Chorizanthe brevicornu var. spathulata | F. W. Peirson | 1933-7-29 | 10739 | Mono | Whisky Creek, Owens River. | 2043 | Comment | ||
RSA74789 | Phacelia ramosissima var. subglabra | F. W. Peirson | 1933-7-29 | 10728 | Mono | Floor of Crooked Creek Canyon; Owens River. | 2043 | Comment | ||
RSA77823 | Hackelia micrantha | F. W. Peirson | 1925-7-2 | 6220 | El Dorado | Glen Alpine Road, about 0.5 mile above Fallen Leaf Lake. | 2043 | Comment | ||
RSA90714 | Astragalus lemmonii | F. W. Peirson | 1933-7-29 | 10744 | Mono | Along Hilton Creek, Owens River. | 2043 | Comment | ||
RSA91519 | Poa secunda | F. W. Peirson | 1934-7-8 | 11164 | Mono | foot of Whiskey Creek, Owens River | 2043 | Comment | ||
RSA92125 | Carex nebrascensis | F. W. Peirson | 1934-7-8 | 11165 | Mono | At foot of Whisky Creek, Owens River. | 2043 | Comment | ||
RSA93640 | Antennaria dimorpha | F. W. Peirson | 1924-5-15 | 4596 | San Bernardino | Low places near Baldwin Lake | 2043 | Comment | ||
RSA93667 | Solidago canadensis subsp. elongata | F. W. Peirson | 1931-8-8 | 9537 | El Dorado | Near trail to Lake of the Woods, Glen Alpine Creek Basin. | 2043 | Comment | ||
RSA93912 | Iva axillaris | F. W. Peirson | 1930-7-2 | 8973 | San Bernardino | North side of Baldwin Lake. | 2043 | Comment | ||
CAS-BOT-BC241262 | Castilleja cinerea | Frank W. Peirson | 1933-6-24 | s.n. | San Bernardino | Southwest shore of Baldwin Lake, San Bernardino Mts. | 2057 | Comment | ||
PASA1700 | Solidago californica | Frank W. Peirson | 1924-9-2 | San Bernardino | Fish Camp, City Creek Road, San Bernardino Mts. | 2057 | Comment | |||
RSA90247 | Astragalus lentiginosus var. sierrae | F. W. Peirson | 1942-5-10 | s.n. | San Bernardino | East side of Baldwin Lake, San Bernardino Mts. | 2057 | Comment | ||
UC511749 | Leymus triticoides | Frank W. Peirson | 1933-7-13 | San Bernardino | unused roadways near Baldwin Lake; San Bernardino Mts., Bear Valley | 2057 | Comment | |||
RSA85766 | Potentilla glandulosa subsp. nevadensis | F. W. Peirson | 1921-7-17 | 2678 | Los Angeles | Prairie Fork of San Gabriel River, San Gabriel Mountains. | 2058 | Comment | ||
RSA87208 | Lupinus elatus | F. W. Peirson | 1929-7-1 | 8439 | Los Angeles | Mt. Pacifico | 2058 | Comment | ||
RSA92438 | Poa atropurpurea | F. W. Peirson | 1932-5-28 | 9973 | San Bernardino | southwest shores of Baldwin Lake, San Bernardino Mountains. | 2058 | 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 | ||
RSA85704 | Potentilla gracilis | F. W. Peirson | 1931-8-10 | 9575 | Nevada | Along the banks of the Yuba River, 4 miles W of summit of Donner Pass. | 2058 | Comment | ||
JEPS51476 | Minuartia nuttallii subsp. gracilis | Frank W. Peirson | 1921-6-17 | 2437 | Los Angeles | divide-Bear Cr. and Little Rock tributary San Gabriel Mountains | 2072 | Comment | ||
JEPS5839 | Calyptridium parryi var. parryi | Frank W. Peirson | 1922-7-5 | 3169 | Los Angeles | Big Pines San Gabriel Mountains | 2072 | Comment | ||
JEPS61453 | Geranium californicum | Frank W. Peirson | 1922-7-6 | 3185 | Los Angeles | Big Pines San Gabriel Mountains | 2072 | Comment | ||
UC1083357 | Gilia inyoensis | Frank W. Peirson | 1925-6-25 | 6074 | Mono | Rock Creek Volcanic Tableland | 2072 | Comment | ||
UC511745 | Lathyrus sulphureus | Frank W. Peirson | 1933-7-9 | 10689 | Kern | s of Summit Camp; Summit Greenhorn Mts. | 2072 | Comment | ||
UC511747 | Delphinium gracilentum | Frank W. Peirson | 1933-7-9 | 10695 | Kern | in dry meadow about 2 mi s Summit Camp; Greenhorn Mts. | 2072 | Comment | ||
NY604258 | Penstemon labrosus | F. W. Peirson | 1929-7-11 | 8455 | Unknown | Fawnskin, Bear Valley, San Bernardino Mountains. | 2072.6 | Comment Read comments Jun 26 2012 |
||
POM87034 | Eriogonum elatum var. elatum | F. W. Peirson | 1925-6-25 | 6055 | Mono | Rock Creek, volcanic tablelands. | 2073 | Comment | ||
RSA65593 | Minuartia nuttallii subsp. gracilis | F. W. Peirson | 1921-6-17 | 2437 | Los Angeles | Divide between Little Rock Creek and Bear Creek, north side of San Gabriel Mountains | 2073 | Comment | ||
RSA70201 | Allium campanulatum | F. W. Peirson | 1933-7-9 | 10696 | Kern | 2 miles south of Summit Camp, Greenhorn Mountains. Alt. 6800 ft. | 2073 | Comment | ||
RSA70381 | Euphorbia palmeri | F. W. Peirson | 1922-7-6 | 3184 | Los Angeles | Swartout Valley region. Big Pines, north side of San Gabriel Mtns. | 2073 | Comment | ||
RSA73284 | Linanthus pungens | F. W. Peirson | 1925-6-25 | 6073 | Mono | Rock Creek, Sierra Nevada. | 2073 | Comment Read comments Feb 23 2013 |
||
RSA79832 | Penstemon labrosus | F. W. Peirson | 1929-7-11 | 8456 | San Bernardino | Fawnskin, Bear Valley. | 2073 | Comment | ||
RSA85732 | Potentilla gracilis var. fastigiata | F. W. Peirson | 1922-7-5 | 3165 | Los Angeles | Big Pines Meadow, north side of San Gabriel Mountains | 2073 | Comment | ||
RSA90695 | Gutierrezia sarothrae | F. W. Peirson | 1929-8-23 | 8583 | San Bernardino | Southwest slopes of Baldwin Lake, San Bernardino Mts. | 2073 | Comment | ||
POM162890 | Apocynum androsaemifolium subsp. pumilum | F. W. Peirson | 1929-10-26 | 8603 | San Bernardino | Above Fish Camp, City Cr. Road. | 2073 | Comment | ||
RSA0041821 | Penstemon rydbergii var. oreocharis | F. W. Peirson | 1925-6-25 | 6064 | Mono | Rock Creek. | 2073 | Comment | ||
RSA69926 | Apocynum androsaemifolium subsp. pumilum | F. W. Peirson | 1929-10-26 | 8603 | San Bernardino | Above Fish Camp, City Cr. Road. | 2073 | Comment | ||
RSA70594 | Iris missouriensis | Frank W. Peirson | 1925-6-25 | 6057 | Mono | [Lower] Rock Creek, Sierra Nevada | 2073 | Comment | ||
RSA79911 | Leucophysalis nana | F. W. Peirson | 1933-7-30 | 10752 | Mono | Between Tom's Place and Convict Creek, near the crossing of McGee Creek. | 2073 | Comment | ||
RSA90418 | Lotus oblongifolius | F. W. Peirson | 1925-6-25 | 6062 | Mono | Rock Creek | 2073 | Comment | ||
SD87714 | Madia elegans | F. W. Peirson | 1929-9-11 | 8588 | San Bernardino | Bear Valley Boulevard near Peter Pan Woodland Club, San Bernardino Mountains. | 2075 | Comment | ||
RSA66507 | Arabis parishii | F. W. Peirson | 1924-5-15 | 4571 | San Bernardino | Summit above Doble, San Bernardino Mountains | 2100 | Comment | ||
CAS-BOT-BC255449 | Eriogonum ampullaceum | Frank W. Peirson | 1937-8-1 | 12155 | Mono | Long Valley, Hot Creek Region | 2103 | Comment | ||
JEPS31872 | Symphyotrichum frondosum | Frank W. Peirson | 1937-8-1 | 12168 | Mono | Hot Creek Region Long Valley | 2103 | Comment | ||
JEPS36841 | Stephanomeria exigua subsp. exigua | Frank W. Peirson | 1937-8-1 | 12158 | Mono | Hot Creek Region Long Valley | 2103 | Comment | ||
PASA1311 | Arenaria macradenia | Frank W. Peirson | 1930-7-2 | San Bernardino | Ridge south of summit of Johnson's Grade, San Bernardino Mts. | 2103 | Comment | |||
POM259169 | Hordeum jubatum | F. W. Peirson | 1937-8-1 | 12995 | Mono | Long Valley | 2104 | Comment | ||
RSA74506 | Phacelia exilis | F. W. Peirson | 1932-5-29 | 9969 | San Bernardino | Along road to Fish Hatchery, south of Baldwin Lake | 2104 | Comment | ||
RSA84848 | Ribes cereum var. cereum | F. W. Peirson | 1922-7-6 | 4433 | Los Angeles | Big Pines | 2104 | Comment | ||
RSA87056 | Hordeum jubatum | F. W. Peirson | 1937-8-1 | 12995 | Mono | Long Valley, Owens River | 2104 | Comment | ||
POM231948 | Tiquilia nuttallii | F. W. Peirson | 1937-8-1 | 12157 | Mono | Long Valley, Hot Creek Basin | 2104 | Comment | ||
RSA90624 | Chrysothamnus parryi subsp. asper | F. W. Peirson | 1929-9-16 | 8592 | San Bernardino | Road to Fisheries S of Baldwin Lake, San Bernardino Mts. | 2104 | Comment | ||
RSA93740 | Aster frondosus | F. W. Peirson | 1937-8-1 | 12168 | Mono | Long Valley, Hot Creek region | 2104 | Comment | ||
CAS-BOT-BC268228 | Eriogonum umbellatum var. munzii | Frank W. Peirson | 1920-8-22 | 2247 | San Bernardino | Foxesee (Forsee) Creek, San Bernardino Mts. | 2133 | Comment | ||
CAS-BOT-BC297169 | Erigeron concinnus var. concinnus | Frank W. Peirson | 1933-6-24 | 10676 | San Bernardino | Along ridge southward from the summit of the Johnson Grade, San Bernardino Mts. | 2133 | Comment | ||
JEPS15885 | Corethrogyne filaginifolia | Frank W. Peirson | 1929-10-11 | 8600 | San Bernardino | 2 mi w Bear Lake Dam (City Cr. Road); San Bernardino Mts. | 2133 | Comment | ||
JEPS62047 | Lilium parryi | Frank W. Peirson | 1921-7-17 | 2515 | Los Angeles | Prairie Fork, San Gabriel River; San Gabriel Mountains | 2133 | Comment | ||
PASA2574 | Cotyledon | Frank W. Peirson | 1930-7-2 | 8972 | San Bernardino | Ridge south of summit of Johnson's Grade, San Bernadino Mountains | 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 | ||
RSA70459 | Allium monticola | F. W. Peirson | 1921-6-16 | 5223 | Los Angeles | north slope of Mt. Waterman | 2133 | Comment | ||
RSA90249 | Astragalus lentiginosus var. sierrae | F. W. Peirson | 1920-8-24 | 2347 | San Bernardino | Big Meadows, at head of Santa Ana River | 2133 | Comment | ||
SD87707 | Monardella linoides subsp. sierrae | Frank W. Peirson | 1927-7-24 | 7543 | Inyo | Westgard Pass. | 2133 | Comment | ||
UC501602 | Arabis dispar | Frank W. Peirson | 1932-5-7 | 9918 | Inyo | North Fork of Hanaupah Canyon Panamint Mts. | 2133 | Comment | ||
UC599192 | Astragalus lemmonii | Frank W. Peirson | 1938-7-8 | 12614 | Mono | near windmill (Hot Creek Region); Hot Creek Region | 2133 | Comment | ||
CAS-BOT-BC355657 | Orochaenactis thysanocarpha | Frank W. Peirson | 1919-8-28 | 1395 | Inyo | Saw-Mill [Sawmill] Canyon, east slope Sierras | 2133 | Comment | ||
RSA66715 | Caulanthus major | F. W. Peirson | 1929-10-5 | 8594 | San Bernardino | Along stream south of Peter Pan Woodland Club, Bear Valley | 2134 | Comment | ||
RSA68709 | Lilium parryi | Frank W. Peirson | 1921-7-17 | 2515 | Los Angeles | Prairie Fork of San Gabriel River, San Gabriel Mountains. | 2134 | Comment | ||
RSA69036 | Dodecatheon redolens | F. W. Peirson | 1921-7-17 | 2516 | Los Angeles | Prairie Fork of San Gabriel River, San Gabriel Mountains. | 2134 | Comment | ||
RSA69923 | Apocynum cannabinum | F. W. Peirson | 1920-9-14 | 4469 | San Bernardino | Coldwater Fork of Lytle Creek, eastern San Gabriel Mountains | 2134 | Comment | ||
RSA70294 | Juncus duranii | F. W. Peirson | 1921-7-17 | 2844 | Los Angeles | Prairie Fork of San Gabriel River, San Gabriel Mountains. | 2134 | Comment | ||
RSA72127 | Epilobium ciliatum subsp. glandulosum | F. W. Peirson | 1920-9-14 | 2304 | San Bernardino | Coldwater Cienega, Lytle Creek. | 2134 | Comment | ||
RSA84223 | Dudleya abramsii subsp. affinis | F. W. Peirson | 1930-7-2 | 8972 | San Bernardino | Ridge south of summit of Johnson Grade, east end of San Bernardino Mountains. | 2134 | Comment | ||
RSA84453 | Anemone tuberosa | F. W. Peirson | 1932-5-7 | 9910 | Inyo | North fork of Hanaupah Canyon, Panamint Mountains. | 2134 | Comment | ||
RSA86769 | Deschampsia elongata | F. W. Peirson | 1924-7-13 | 4934 | San Bernardino | big Meadows, upper Santa Ana River, San Bernardino Mountains. | 2134 | Comment | ||
RSA66214 | Arabis holboellii var. retrofracta | F. W. Peirson | 1938-7-9 | 12447 -a | Mono | Along east base of Mono Craters. | 2134 | Comment | ||
RSA66691 | Dicentra uniflora | F. W. Peirson | 1932-7-15 | 10156 | Shasta | Along stream from Mt Magee, Thousand-Lake Basin. | 2134 | Comment | ||
RSA79819 | Keckiella breviflora | F. W. Peirson | 1919-8-15 | 1110 | Tulare | Trail to Giant Forest by 7-mile Hill, Sierra Nevada. | 2134 | Comment | ||
RSA84399 | Mitella breweri | F. W. Peirson | 1925-7-3 | 6244 | El Dorado | Glen Alpine Creek Basin. Sierra Nevada. | 2134 | Comment | ||
RSA90705 | Astragalus nuttallianus var. imperfectus | F. W. Peirson | 1932-5-7 | 9917 | Inyo | North fork of Hanaupah Canyon, Panamint Mountains, Alt. 7000 ft. | 2134 | Comment | ||
RSA92237 | Madia minima | F. W. Peirson | 1920-6-10 | 238 | Los Angeles | summit of Mt. Wilson | 2134 | Comment | ||
RSA93083 | Solidago confinis | F. W. Peirson | 1920-8-24 | s.n. | San Bernardino | Big Meadow, San Bernardino Mountains, southern California. [County not listed but most likely San Bernardino Co.] | 2134 | Comment | ||
RSA97119 | Cornus stolonifera | F. W. Peirson | 1919-8-22 | 820 | Fresno | paradise Valley, South Fork of Kings River, Sierra Nevada. | 2134 | Comment | ||
RSA97445 | Phoradendron juniperinum subsp. juniperinum | F. W. Peirson | 1922-6-21 | 3142 | San Bernardino | Cienega Seca Creek. | 2134 | Comment | ||
JEPS10417 | Pedicularis crenulata | Frank W. Peirson | 1927-7-25 | Mono | Convict Creek at road crossing Convict Creek | 2148 | Comment | |||
CAS-BOT-BC82596 | Arnica lanceolata subsp. prima | Frank W. Peirson | 1934-7-18 | 11260 | Madera | at the foot of Rainbow Falls, Middle Fork San Joaquin River | 2164 | Comment | ||
UC599224 | Tetradymia glabrata | Frank W. Peirson | 1938-7-9 | 12448 | Mono | 19 mi nw Benton | 2164 | Comment | ||
RSA86740 | Leymus cinereus | F. W. Peirson | 1932-7-22 | 10359 | Mono | Twin Lake Basin ; upper lake | 2165 | Comment | ||
RSA0020654 | Bromus tectorum | F. W. Peirson | 1932-7-22 | 10357 | Mono | Twin Lakes Basin; lower end of Upper Lake | 2165 | Comment | ||
RSA84482 | Aconitum columbianum var. columbianum | F. W. Peirson | 1925-6-28 | 6146 | Mono | Rush Creek below Silver Lake. | 2165 | Comment | ||
SD87804 | Erigeron coulteri | Frank W. Peirson | 1925-6-28 | 6143 | Mono | Reverse Creek, Silver Lake Region | 2190 | Comment | ||
CAS-BOT-BC100839 | Chrysothamnus viscidiflorus subsp. viscidiflorus | Frank W. Peirson | 1931-10-10 | s.n. | San Bernardino | Road to Fish Hatchery south of Baldwin Lake, San Bernardino Mts. | 2194 | Comment | ||
RSA64724 | Eriogonum spergulinum var. reddingianum | F. W. Peirson | 1925-6-26 | 6108 | Mono | Silver Lake. | 2195 | Comment | ||
RSA85020 | Polypodium hesperium | F. W. Peirson | 1923-8-22 | 3984 | San Bernardino | Vivian Creek, San Bernardino Mountains | 2195 | Comment | ||
RSA88764 | Carex douglasii | F. W. Peirson | 1925-6-26 | 6104 | Mono | Silver Lake. | 2195 | Comment | ||
RSA93388A | Helenium bigelovii | F. W. Peirson | 1923-8-22 | 3985 | San Bernardino | Vivian Creek, San Bernardino Mountains | 2195 | Comment | ||
RSA74787 | Phacelia ramosissima var. latifolia | F. W. Peirson | 1930-7-3 | 8979 | San Bernardino | 1.25 miles below Fish Hatchery on road from Bear lake, San Bernardino Mts. | 2195 | Comment | ||
RSA94922 | Cirsium occidentale var. californicum | F. W. Peirson | 1930-7-3 | 8983 | San Bernardino | About 0.5 mile below Fish Hatchery south of Baldwin Lake. | 2195 | Comment | ||
RSA97460 | Osmorhiza occidentalis | F. W. Peirson | 1925-6-26 | 6106 | Mono | Silver Lake. | 2195 | Comment | ||
RSA99370 | Lonicera conjugialis | F. W. Peirson | 1935-7-3 | 6242 | El Dorado | Glen Alpine Creek Basin at Grass lake; Sierra Nevada. | 2195 | Comment | ||
JEPS54675 | Astragalus | Frank W. Peirson | 1922-7-5 | 3167 | Los Angeles | n Big Pines (Le Montaine); San Gabriel Mts, n of Big Pines, Le Montaine | 2209 | 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 | ||
POM13533 | 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 | ||
RSA69987 | Mirabilis pumila | F. W. Peirson | 1924-7-5 | 4920 | San Bernardino | Gold Mountain, near Baldwin Lake | 2210 | Comment | ||
RSA86713 | Leucopoa kingii | F. W. Peirson | 1924-7-5 | 4922 | San Bernardino | Gold Mt. near Baldwin Lake. | 2210 | Comment | ||
RSA92375 | Hymenopappus filifolius var. lugens | F. W. Peirson | 1920-8-25 | 2773 | San Bernardino | Summit of ridge W of the S Fork canyon, Santa Ana River, San Bernardino mts | 2210 | Comment | ||
JEPS9486 | Galium johnstonii | F. W. Peirson | 1922-7-5 | 3159 | Los Angeles | n Big Pines; San Gabriel Mts., Le Montaine | 2225 | Comment | ||
UC570575 | Luzula cascadensis | Frank W. Peirson | 1935-7-24 | 11558 | Alpine | Margins Lake Alpine | 2225 | Comment | ||
RSA87111 | Galium johnstonii | F. W. Peirson | 1922-7-5 | 3159 | Los Angeles | Elevation north of Big Pines called La Montaine | 2226 | Comment | ||
RSA66727 | Galium trifidum var. pusillum | F. W. Peirson | 1935-7-24 | 11559 | Alpine | Margins of Lake Alpine. | 2226 | Comment | ||
RSA88700 | Carex lenticularis var. lipocarpa | F. W. Peirson | 1934-7-18 | 11266 | Madera | Short way above the Rainbow Falls, middle fork of San Joaquin River. | 2226 | Comment | ||
RSA93787 | Aster integrifolius | F. W. Peirson | 1931-8-7 | 9523 | El Dorado | Near Grass Lake, Glen Alpine Creek Basin. | 2226 | Comment | ||
CAS-BOT-BC246526 | Eriogonum elatum var. elatum | Frank W. Peirson | 1927-7-27 | 7571 | Mono | Canyon slope west of camp at north end of Silver Lake | 2255 | Comment | ||
RSA65017 | Silene menziesii subsp. dorrii | F. W. Peirson | 1927-7-27 | 7568 | Mono | North end of Silver Lake. | 2256 | Comment | ||
RSA65179 | Eriogonum elatum var. elatum | F. W. Peirson | 1927-7-27 | 7571 | Mono | North end of Silver Lake. | 2256 | Comment | ||
RSA72149 | Gayophytum decipiens | F. W. Peirson | 1906-8-14 | 799 | San Bernardino | Bluff Lake, San Bernardino Mountains. | 2256 | Comment | ||
RSA82199 | Trichostema micranthum | F. W. Peirson | 1924-9-1 | 5173 | San Bernardino | Holcomb Valley | 2256 | Comment | ||
RSA82202 | Trichostema austromontanum subsp. austromontanum | F. W. Peirson | 1906-8-15 | 1042 | San Bernardino | Bluff Lake, San Bernardino Mountains. | 2256 | Comment | ||
RSA86746 | Elymus glaucus | F. W. Peirson | 1931-8-8 | 9534 | El Dorado | Lake of the Woods Trail; Glen Alpine Creek Basin | 2256 | Comment | ||
POM12783 | Erigeron breweri var. porphyreticus | F. W. Peirson | 1922-6-22 | 3100 | San Bernardino | Ridge W of S Fork of Santa Ana | 2256 | Comment | ||
RSA0050349 | Arctostaphylos patula | F. W. Peirson | 1930-7-7 | 9023 | San Bernardino | Arrastre Flat near Holcomb Valley, San Bernardino Mts. | 2256 | Comment | ||
RSA84269 | Ranunculus aquatilis var. capillaceus | F. W. Peirson | 1950-7-7 | 9027 | San Bernardino | permanent water hole near Caribou Creek, Holcomb Valley | 2256 | Comment | ||
RSA90977 | Erigeron breweri var. porphyreticus | F. W. Peirson | 1922-6-22 | 3100 | San Bernardino | Ridge W of S Fork of Santa Ana | 2256 | Comment | ||
RSA91266 | Lupinus latifolius subsp. longipes | F. W. Peirson | 1934-7-18 | 11262 | Madera | Near Reds Meadow, Middle Fork of San Joaquin River, Sierra Nevada. | 2256 | Comment | ||
RSA91705 | Gnaphalium palustre | F. W. Peirson | 1930-7-7 | 9028 | San Bernardino | Damp place near Caribou Creek, Holcomb Valley, San Bernardino Mts. | 2256 | Comment | ||
LA38959 | Mimulus guttatus | Frank W. Peirson; | 1925-7-7 | 6303 | El Dorado | Trail along Echo Lake | 2285 | Comment | ||
CAS-BOT-BC307410 | Gnaphalium palustre | Frank W. Peirson | 1924-7-5 | 4912 | San Bernardino | Bluff Lake, San Bernardino Mts. | 2286 | Comment | ||
JEPS1976 | Phacelia imbricata subsp. patula | Frank W. Peirson | 1921-6-16 | 2451 | Los Angeles | Mt. Waterman Ridge San Gabriel Mountains | 2286 | Comment | ||
SBBG53804 | Myosurus apetalus var. montanus | F. W. Peirson | 1926-5-31 | San Bernardino | Bluff Lake | 2286 | Comment | |||
SD87878 | Castilleja plagiotoma | Frank W. Peirson | 1921-7-3 | 2727 | Los Angeles | Blue Ridge, San Gabriel Mts., summit of ridge | 2286 | Comment | ||
UC483077 | Salix lasiolepis | Frank W. Peirson | 1919-6-6 | 717 | San Bernardino | North Fork San Antonio Creek | 2286 | Comment | ||
CAS-BOT-BC310041 | Hemizonella minima | F. W. Peirson | 1925-7-7 | 6304 | El Dorado | Trail along Echo Lake | 2286 | Comment | ||
JEPS69065 | Eriastrum wilcoxii | Frank W. Peirson | 1933-7-31 | 10755 | Mono | n slope Mono Craters | 2286 | Comment | ||
POM349507 | Trifolium monanthum subsp. grantianum | F. W. Peirson | 1924-7-5 | 4070 | San Bernardino | Bluff Lake. San Bernardino Mts. | 2287 | Comment | ||
RSA65687 | Lewisia nevadensis | F. W. Peirson | 1926-5-31 | 6754 | San Bernardino | Bluff Lake | 2287 | Comment | ||
RSA70084 | Platanthera sparsiflora | Frank W. Peirson | 1919-6-6 | 504 | San Bernardino | North Fork of San Antonio Creek, San Gabriel Mountains | 2287 | Comment | ||
RSA70525 | Calochortus invenustus | Frank W. Peirson | 1922-6-22 | 3138 | San Bernardino | South Fork of Santa Ana River. | 2287 | Comment | ||
RSA74503 | Phacelia exilis | F. W. Peirson | 1930-7-7 | 9017 | San Bernardino | Arrastre Flat, San Bernardino Mountains | 2287 | Comment | ||
RSA0030024 | Delphinium patens subsp. montanum | F. W. Peirson | 1921-7-3 | 2479 | Los Angeles | East end of Pinyon Ridge, San Gabriel Mountains | 2287 | Comment | ||
RSA66760 | Arabis divaricarpa | F. W. Peirson | 1935-7-24 | 11573 | Alpine | North of Lake Alpine, Sierra Nevada. | 2287 | Comment | ||
RSA71853 | Collomia linearis | F. W. Peirson | 1914-8-14 | 4194 | Madera | Devil's Post Pile | 2287 | Comment | ||
RSA73019 | Leptosiphon harknessii | F. W. Peirson | 1925-7-7 | 6310 | El Dorado | Meadow on trail to Upper Echo Lake | 2287 | Comment | ||
RSA73063 | Leptosiphon ciliatus | F. W. Peirson | 1925-7-7 | 6312 | El Dorado | meadow on trail by Upper Echo Lake, Sierra Nevada | 2287 | Comment | ||
RSA79801 | Penstemon newberryi subsp. newberryi | F. W. Peirson | 1932-7-24 | 10400 | Tuolumne | Slopes above Relief Reservoir, Stanislaus River region, Sierra Nevada. | 2287 | Comment | ||
RSA80131 | Mimulus guttatus | F. W. Peirson | 1925-7-7 | 6303 | El Dorado | Trail along Echo Lake. | 2287 | Comment | ||
RSA80209 | Plagiobothrys hispidus | F. W. Peirson | 1932-7-23 | 10387 | Mono | East side of Sonora Pass Sierra Nevada | 2287 | Comment | ||
RSA80476 | Mimulus lewisii | F. W. Peirson | 1925-7-6 | 6299 | El Dorado | Trail from Fallen Leaf Lake to Lake of the Woods. | 2287 | 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 | ||
RSA91137 | Trifolium monanthum subsp. grantianum | F. W. Peirson | 1906-8-15 | 4070 | San Bernardino | Bluff Lake, San Bernardino Mts. | 2287 | Comment | ||
RSA91227 | Lupinus elatus | F. W. Peirson | 1906-8-15 | 546 | San Bernardino | Bluff Lake, San Bernardino Mountains. | 2287 | Comment | ||
RSA91459 | Trifolium cyathiferum | F. W. Peirson | 1932-7-22 | 10365 | Mono | Meadows along Robinson Creek, Twin Lake Basin | 2287 | Comment | ||
RSA95148 | Crepis occidentalis subsp. conjuncta | F. W. Peirson | 1925-6-29 | 6158 | Mono | North slope of grade north of Mono Lake. | 2287 | Comment | ||
RSA97158 | Lomatium dissectum var. multifidum | F. W. Peirson | 1935-7-24 | 11569 | Alpine | North of Lake Alpine, Sierra Nevada | 2287 | Comment | ||
RSA95280 | Ceanothus velutinus | F. W. Peirson | 1925-6-26 | 6092 | Mono | Abundant at Convict Lake, E slope of Sierra Nevada. | 2312 | Comment | ||
CAS-BOT-BC225447 | Gilia leptantha subsp. pinetorum | Frank W. Peirson | 1923-6-11 | 3580 | Ventura | Mt. Pinos | 2316 | Comment | ||
PASA2167 | Brickellia oblongifolia var. linifolia | Frank W. Peirson | 1927-7-25 | Mono | Convict Lake | 2316 | Comment | |||
CAS-BOT-BC18111 | Carex athrostachya | Frank W. Peirson | 1934-7-18 | 11267 | Madera | Middle Fork San Joaquin River. Pumice Flat. | 2316 | Comment | ||
RSA95122 | Agoseris retrorsa | F. W. Peirson | 1922-7-6 | 1491 | Los Angeles | Blue Ridge near Swartout Valley. | 2316 | Comment | ||
RSA69728 | Lemna trisulca | F. W. Peirson | 1925-6-28 | 6138 | Mono | Gull Lake, Reverse Creek | 2317 | Comment | ||
RSA71833 | Gilia leptantha subsp. leptantha | F. W. Peirson | 1924-7-13 | 4942 | San Bernardino | Along bank of Fish Creek, upper Santa Ana River | 2317 | Comment | ||
RSA82270 | Castilleja linariifolia | F. W. Peirson | 1927-7-25 | 7552 | Mono | Convict Lake, east slope of Sierra Nevada. | 2317 | Comment | ||
RSA72191 | Epilobium ciliatum subsp. glandulosum | F. W. Peirson | 1914-8-15 | 767 | Madera | Devils Post Pile, Sierra Nevada | 2317 | Comment | ||
RSA91252 | Lupinus breweri var. grandiflorus | F. W. Peirson | 1921-6-16 | 2441 | Los Angeles | Summit of Mt. Waterman, San Gabriel Mountains | 2317 | Comment | ||
SD87847 | Boechera retrofracta | F. W. Peirson | 1922-6-22 | 3135 | San Bernardino | San Bernardino Mountains, South Fork of Santa Ana River | 2345 | Comment | ||
JEPS44462 | Potentilla wheeleri | F. W. Peirson | 1922-6-22 | 3113 | San Bernardino | South Fork Santa Ana River | 2346 | Comment | ||
RSA87114 | Galium parishii | F. W. Peirson | 1931-7-9 | 9386 | San Bernardino | Head of Arctic Creek, Holcomb Valley | 2348 | Comment | ||
RSA95249 | Taraxacum californicum | F. W. Peirson | 1922-6-22 | 2261 | San Bernardino | South Fork of Santa Ana River | 2348 | Comment | ||
RSA65015 | Silene menziesii subsp. dorrii | F. W. Peirson | 1920-8-25 | 2820 | San Bernardino | Lower end of meadow, South Fork of Santa Ana River | 2363 | Comment | ||
RSA95384 | Sidalcea malviflora subsp. dolosa | F. W. Peirson | 1922-6-23 | 2056 | San Bernardino | Upper Holcomb Creek | 2363 | Comment | ||
RSA79804 | Penstemon newberryi subsp. newberryi | F. W. Peirson | 1925-6-27 | 6129 | Mono | Rush Creek. | 2363 | 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 | ||
RSA65667 | Montia chamissoi | F. W. Peirson | 1922-6-22 | 3137 | San Bernardino | South Fork of Santa Ana River | 2377 | Comment | ||
RSA0078551 | Orobanche uniflora subsp. occidentalis | F. W. Peirson | 1935-7-26 | 11595 | Alpine | North slope above North Fork of Mokelumne River at Hermit Valley. | 2377 | Comment | ||
POM11884 | Myosurus aristatus | F. W. Peirson | 1922-6-22 | 3110 | San Bernardino | South Fork of Santa Ana River. | 2378 | Comment | ||
RSA69531 | Maianthemum stellatum | Frank W. Peirson | 1922-7-22 | 4101 | San Bernardino | South Fork of Santa Ana River, San Bernardino Mountains | 2378 | Comment | ||
RSA70517 | Geranium richardsonii | F. W. Peirson | 1930-7-4 | 8987 | San Bernardino | Green Creek, north slope of Sugarloaf, San Bernardino Mts. | 2378 | Comment | ||
RSA65922 | Rumex crispus | F. W. Peirson | 1922-7-21 | 3211 | San Bernardino | Near stream, Coldwater- San Antonio Canyon Divide, San Gabriel Mts | 2378 | 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 | ||
RSA79866 | Penstemon rostriflorus | F. W. Peirson | 1922-7-19 | 3206 | San Bernardino | Divide between Cucamonga and Ontario Peaks, San Gabriel Mtns, | 2409 | Comment | ||
RSA88761 | Carex douglasii | F. W. Peirson | 1935-7-28 | 11719 | Alpine | Foot of Red Lake. | 2409 | Comment | ||
RSA92119 | Carex nebrascensis | F. W. Peirson | 1935-7-28 | 11717 | Alpine | Lake margin at embankment at foot of Red Lake. | 2409 | Comment | ||
RSA94851 | Arnica longifolia subsp. myriadenia | F. W. Peirson | 1919-8-13 | 1422 | Fresno | Camp near Mineral King, Sierra Nevada | 2409 | Comment | ||
PASA1305 | Silene platyota | Frank W. Peirson | 1930-7-4 | San Bernardino | Greene Creek, north slope sugarloaf, San Bernardino Mts. | 2438 | Comment | |||
PASA2376 | Acer glabrum | Frank W. Peirson | 1930-7-4 | San Bernardino | Greene Creek, north slope Sugarloaf, San Bernardino Mts. | 2438 | Comment | |||
PASA340 | Scorzonella nutans | Frank W. Peirson | 1927-8-6 | Mariposa | Porcupine Flat | 2438 | Comment | |||
RSA84285 | Equisetum arvense | F. W. Peirson | 1922-6-22 | 3111 | San Bernardino | South Fork of Santa Ana River, San Bernardino Mountains | 2438 | Comment | ||
RSA94689 | Senecio bernardinus | F. W. Peirson | 1922-6-23 | 3145 | San Bernardino | Sugarloaf Mountain | 2438 | Comment | ||
UC501425 | Monardella odoratissima subsp. glauca | Frank W. Peirson | 1932-7-22 | 10361 | Mono | Twin Lake Basin, from Bridgeport, along Robinson Creek on the steep slope below Barney Lake. | 2438 | Comment | ||
CAS-BOT-BC127793 | Brickellia grandiflora | Mabel B. Peirson | 1931-8-5 | s.n. | El Dorado | Echo Lake Region. Slopes above Tamarac Lake | 2438 | Comment | ||
CAS-BOT-BC332950 | Senecio spartioides | Frank W. Peirson | 1930-8-11 | 9179 | Mono | North of Deadman Creek | 2438 | Comment | ||
PASA1970 | Lappula floribunda | Frank W. Peirson | 1932-6-22 | Mono | Twin Lake Basin | 2438 | Comment | |||
PASA785 | Gilia gilioides | Frank W. Peirson | 1932-7-22 | Mono | Twin Lake Basin, Steep rocky slope along the Robinson creek | 2438 | Comment | |||
RSA65038 | Silene parishii | F. W. Peirson | 1906-8-17 | 609 | San Bernardino | South Fork of Santa Ana River. | 2439 | Comment | ||
RSA66521 | Arabis holboellii var. pinetorum | F. W. Peirson | 1930-7-8 | s.n. | San Bernardino | Fish Hatchery creek [possibly Green Canyon Creek], N side of Sugarloaf, San Bernardino Mts | 2439 | Comment Read comments Aug 15 2011 |
||
RSA69030 | Dodecatheon alpinum | F. W. Peirson | 1908-7-19 | 860 | Tulare | Junction Meadow. Sierra Nevada, Tulare County | 2439 | Comment | ||
RSA72132 | Epilobium angustifolium subsp. circumvagum | F. W. Peirson | 1908-7-19 | 768 | Tulare | Junction Meadow, Kern River Canyon, Sierra Nevada. | 2439 | Comment | ||
RSA76992 | Acer glabrum subsp. diffusum | F. W. Peirson | 1930-7-4 | 8990 | San Bernardino | Greene Creek, north slope of Sugarloaf Peak | 2439 | Comment | ||
RSA85619 | Ivesia santolinoides | F. W. Peirson | 1927-8-6 | 7657 | Mariposa | Porcupine Flat | 2439 | Comment | ||
RSA86623 | Purshia tridentata var. tridentata | F. W. Peirson | 1930-8-11 | 9178 | Mono | Volcanic mountains north of Deadman Creek. | 2439 | Comment | ||
RSA64705 | Eriogonum spergulinum var. reddingianum | F. W. Peirson | 1923-6-11 | 5346 | Ventura | Mt. Pinos. | 2439 | Comment | ||
RSA66316 | Monolepis nuttalliana | F. W. Peirson | 1925-6-29 | 6149 | Mono | Summit of grade north of Mono Lake | 2439 | Comment | ||
RSA80346 | Cymopterus panamintensis var. panamintensis | F. W. Peirson | 1932-5-8 | 9931 | Inyo | Wild Rose Canyon, Panamint Mountains. | 2439 | Comment | ||
RSA85544 | Cheilanthes gracillima | F. W. Peirson | 1925-6-27 | 6127 | Mono | Rush Creek, Sierra Nevada | 2439 | Comment | ||
RSA93177 | Machaeranthera canescens | F. W. Peirson | 1922-7-30 | 3226 | Ventura | Mt. Pinos | 2439 | Comment | ||
RSA93646 | Solidago multiradiata | F. W. Peirson | 1908-7-19 | 1233 a | Tulare | Junction Meadows, Sierra Nevada. | 2439 | Comment | ||
RSA94503 | Arnica cordifolia | F. W. Peirson | 1935-7-26 | 11593 | Alpine | Hermit Valley, North Fork Mokelumne River, Sierra Nevada. | 2439 | Comment | ||
CAS-BOT-BC21937 | Carex heteroneura | F. W. Peirson | 1937-7-30 | 13609 | Mono | Lundy. | 2468 | Comment | ||
RSA70300 | Juncus mertensianus | F. W. Peirson | 1937-7-31 | 12200 | Mono | Mill Creek (Lundy Canyon). | 2470 | Comment | ||
RSA74854 | Phacelia heterophylla subsp. virgata | F. W. Peirson | 1937-7-30 | 12137 | Mono | Mill Creek (Lundy Canyon) | 2470 | Comment | ||
RSA91850 | Danthonia californica var. americana | F. W. Peirson | 1930-8-16 | 9235 | Mariposa | in canyon below Lake Tenaya | 2470 | Comment | ||
CAS-BOT-BC99302 | Symphyotrichum spathulatum | F. W. Peirson | 1927-8-5 | 7646 | Mariposa | Murphy Creek, Lake Tenaya Region | 2484 | Comment | ||
RSA65047 | Silene lemmonii | F. W. Peirson | 1927-8-5 | 7639 | Mariposa | South side of May Lake, Sierra Nevada | 2485 | Comment | ||
RSA93317 | Aster breweri | F. W. Peirson | 1927-8-5 | 7640 | Mariposa | South side of May Lake, Sierra Nevada | 2485 | 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 | ||
PASA1835 | Ligusticum grayi | Frank W. Peirson | 1930-8-15 | Mariposa | Lake Tenaya Region | 2499 | Comment | |||
RSA68724 | Fritillaria pinetorum | Frank W. Peirson | 1922-7-6 | 5337 | Los Angeles | Westward from highest point of Blue Ridge, San Gabriel Mountains | 2500 | Comment | ||
RSA80473 | Mimulus laciniatus | F. W. Peirson | 1935-7-19 | 11534 | Mariposa | Glaciated region west of Lake Tenaya | 2500 | Comment | ||
RSA86935 | Betula occidentalis | F. W. Peirson | 1911-8-1 | 1705 | Fresno | Woods Creek Meadow, Sierra Nevada. | 2500 | Comment | ||
RSA87371 | Agrostis idahoensis | F. W. Peirson | 1918-7-7 | 1576 | San Bernardino | Kellly's Cabin, Ontario Ridge, San Gabriel Mountains. | 2500 | Comment | ||
RSA69642 | Listera convallarioides | Frank W. Peirson | 1911-8-1 | 1699 | Fresno | Woods Creek at meadow, Sierra Nevada | 2500 | Comment | ||
RSA87414 | Lupinus latifolius subsp. longipes | F. W. Peirson | 1930-8-15 | 9227 | Mariposa | Murphy Creek, Lake Tenaya region, Yosemite National Park. | 2500 | Comment | ||
RSA91744 | Muhlenbergia montana | F. W. Peirson | 1935-7-19 | 11535 | Mariposa | Glaciated region north of Lake Tenaya, Sierra Nevada. | 2500 | Comment | ||
RSA93290 | Corethrogyne filaginifolia | F. W. Peirson | 1922-8-25 | 3268 | San Bernardino | Along base of E slope, S Fork of Santa Ana River, San Bernardino Mts | 2500 | Comment | ||
POM87165 | Caltha howellii | F. W. Peirson | 1925-7-3 | s.n. | El Dorado | Glen Alpine Creek Basin. | 2515 | Comment | ||
RSA70566 | Vaccinium uliginosum subsp. occidentale | F. W. Peirson | 1917-08 | 837 | Fresno | Grouse Meadows, Sierra Nevada. | 2515 | Comment | ||
RSA79825 | Penstemon azureus var. azureus | F. W. Peirson | 1921-8-9 | 1109 | Fresno | Aspen Meadow, San Joaquin River. | 2515 | Comment | ||
RSA0011683 | Drosera rotundifolia | F. W. Peirson | 1917-8-12 | 1936 | Fresno | Grouse Meadows, Middle Fork of Kings River. | 2515 | Comment | ||
RSA86272 | Aspidotis densa | F. W. Peirson | 1921-8-9 | 1511 | Sierra | South Fork of San Joaquin River | 2515 | Comment | ||
RSA90975 | Erigeron breweri | F. W. Peirson | 1921-8-9 | 2521 | Fresno | Aspen Meadow. S Fork of the San Joaquin River. Sierra Nevada. | 2515 | Comment | ||
RSA95215 | Stephanomeria exigua subsp. exigua | F. W. Peirson | 1923-8-31 | 4014 | Los Angeles | Blue Ridge, near Swartout Valley | 2529 | Comment | ||
RSA70527 | Calochortus invenustus | Frank W. Peirson | 1918-7-7 | 2851 | San Bernardino | Ontario Ridge, eastern San Gabriel Mountains. | 2530 | Comment | ||
RSA72152 | Gayophytum humile | F. W. Peirson | 1925-7-5 | 6268 | El Dorado | Mt. Tallac, middle trail near stream. Sierra Nevada. | 2530 | Comment | ||
RSA79423 | Collinsia torreyi var. wrightii | F. W. Peirson | 1925-7-7 | 6315 | El Dorado | Echo Lakes Divide. | 2530 | Comment | ||
RSA95137 | Crepis intermedia | F. W. Peirson | 1935-7-25 | 11582 | Alpine | Below summit of main ridge, north of Lake Alpine, Sierra Nevada | 2530 | Comment | ||
UC640211 | Lupinus lepidus var. lobbii | Frank W. Peirson | 1939-8-9 | 12789 | Alpine | in meadow land n Woods Lake; n of Woods Lake | 2545 | Comment | ||
RSA85933 | Selaginella asprella | Frank W. Peirson | 1922-7-18 | 3201 | San Bernardino | Summit of Ontario Ridge, above Kelly s Cabin | 2546 | Comment | ||
RSA84998 | Athyrium filix-femina | F. W. Peirson | 1922-8-25 | 3285 | San Bernardino | South fork of Santa Ana River, San Bernardino Mountains | 2560 | Comment | ||
CAS-BOT-BC118618 | Carex raynoldsii | Frank Warrington Peirson | 1937-7-22 | 12202 | Alpine | Woods Lake | 2560 | Comment | ||
RSA90979 | Erigeron breweri var. covillei | F. W. Peirson | 1922-8-22 | 3291 | San Bernardino | Meadows of South Fork of Santa Ana River, San Bernardino Mountains. | 2560 | Comment | ||
UC640244 | Sparganium emersum var. emersum | Frank W. Peirson | 1939-8-10 | 12813 | Alpine | margin of Woods Lake | 2560 | Comment | ||
RSA86767 | Deschampsia elongata | F. W. Peirson | 1937-6-27 | 12220 | Alpine | Woods Lake, Sierra Nevada | 2561 | Comment | ||
RSA65876 | Polygonum kelloggii | F. W. Peirson | 1922-7-30 | 3222 | Ventura | Mt. Pinos. | 2561 | Comment | ||
RSA68644 | Calochortus leichtlinii | Frank W. Peirson | 1935-7-25 | 11588 | Alpine | Open summit of ridge ca. 2 miles N of Lake Alpine | 2561 | Comment | ||
RSA72158 | Gayophytum racemosum | F. W. Peirson | 1922-7-30 | 3240 | Ventura | Mt. Pinos. | 2561 | Comment | ||
RSA91586 | Luzula comosa | F. W. Peirson | 1935-7-29 | 11721 a | Alpine | Near Woods Lake. | 2561 | Comment | ||
RSA97259 | Sphenosciadium capitellatum | F. W. Peirson | 1939-8-14 | 12860 | Alpine | near Woods Lake, Sierra Nevada | 2561 | Comment | ||
CAS-BOT-BC242811 | Eriogonum davidsonii | Frank W. Peirson | 1923-8-31 | 4005 | San Bernardino | About 4 miles eastward from Big Pines Camp, Blue Ridge, San Gabriel Mts. | 2590 | Comment | ||
CAS-BOT-BC312587 | Hulsea vestita subsp. callicarpha | Frank W. Peirson | 1924-7-27 | 5005 | Riverside | Near Deer Spring, San Jacinto Mts. | 2590 | Comment | ||
CAS-BOT-BC375003 | Stenotus acaulis | Frank W. Peirson | 1925-7-5 | 6273 | El Dorado | Mt. Talac [Tallac] | 2590 | Comment | ||
JEPS49761 | Cycladenia humilis var. venusta | Frank W. Peirson | 1918-7-8 | 147 | San Bernardino | Baldy, Mt. San Antonio | 2590 | Comment | ||
PASA952 | Senecio multicapitatus | Frank W. Peirson | 1920-8-22 | San Bernardino | Foxsee Creek (Santa Ana River tributary) San Bernardino Mts. | 2590 | Comment | |||
RSA65851 | Eriogonum microtheca var. johnstonii | F. W. Peirson | 1922-7-19 | 3199 | San Bernardino | Cucamonga Peak, San Gabriel Mountains | 2591 | Comment | ||
RSA66151 | Arabis divaricarpa | F. W. Peirson | 1920-8-22 | 2244 | San Bernardino | Foxesee Creek, San Bernardino Mts. | 2591 | Comment | ||
RSA66763 | Arabis divaricarpa | F. W. Peirson | 1932-7-23 | 10380 | Mono | East side of Sonora Pass. | 2591 | Comment | ||
RSA67164 | Galium trifidum var. pusillum | F. W. Peirson | 1930-8-14 | 9215 | Tuolumne | Tuolumne Meadows. Sierra Nevada. | 2591 | Comment | ||
RSA79467 | Collinsia torreyi var. wrightii | F. W. Peirson | 1927-6-15 | 7346 | San Bernardino | West side of the Coldwater; Devil's Backbone, San Gabriel Mountains. | 2591 | Comment | ||
RSA86352 | Tsuga mertensiana | F. W. Peirson | 1930-8-15 | 9224 | Mariposa | Between Tuolumne Meadow and Lake Tenaya, just about at the Tuolumne-Mariposa county line. | 2591 | Comment | ||
RSA87409 | Lupinus lyallii var. villosus | F. W. Peirson | 1932-7-23 | 10377 | Mono | East slope of Sonora Pass. | 2591 | Comment | ||
RSA65058 | Silene verecunda subsp. platyota | F. W. Peirson | 1922-7-5 | 4687 | Los Angeles | Blue Ridge, north side of San Gabriel Mountains | 2591 | Comment | ||
RSA79847 | Penstemon labrosus | F. W. Peirson | 1923-8-31 | 4031 | Los Angeles | Just below summit of Blue Ridge, 3-4 miles east of Big Pines, San Gabriel Mtns. | 2591 | Comment | ||
RSA85541 | Cheilanthes gracillima | F. W. Peirson | 1937-7-21 | 12153 | Mono | Mill Creek, Lundy Canyon | 2591 | Comment | ||
RSA93626 | Antennaria rosea | F. W. Peirson | 1906-8-17 | 1312 | San Bernardino | South Fork of Santa Ana River. | 2591 | Comment | ||
RSA93665 | Solidago canadensis subsp. elongata | F. W. Peirson | 1916-8-22 | 1231 | Tulare | Big Arroyo, Sierra Nevada. | 2591 | Comment | ||
RSA99351 | Symphoricarpos rotundifolius var. parishii | F. W. Peirson | 1920-8-22 | 2264 | San Bernardino | Foxesee Creek [Forsee Creek], San Bernardino Mts. | 2591 | Comment | ||
RSA70457 | Allium burlewii | F. W. Peirson | 1918-7-7 | 266 | San Bernardino | Summit of Ontario Peak, San Gabriel Mts. | 2621 | Comment | ||
UC640221 | Mimulus tilingii | Frank W. Peirson | 1939-8-14 | 12865 | Alpine | East Fork Woods Lake Region (near stream) | 2621 | Comment | ||
UC640224 | Navarretia capillaris | Frank W. Peirson | 1939-8-14 | 12863 | Alpine | East Fork , East Fork (Woods Lake Region) | 2621 | Comment | ||
RSA69534 | Maianthemum stellatum | Frank W. Peirson | 1935-8-4 | 11651 | Mono | Sonora Pass region | 2622 | Comment | ||
RSA88781 | Carex scopulorum var. bracteosa | F. W. Peirson | 1935-8-4 | 11727 | Mono | Mono County: About 2 miles southeast of Sonora Pass | 2622 | Comment | ||
RSA0029561 | Geranium richardsonii | F. W. Peirson | 1932-7-23 | 10386 | Mono | East side of Sonora Pass, Sierra Nevada. | 2622 | Comment | ||
RSA65873 | Polygonum kelloggii | F. W. Peirson | 1939-8-12 | 12844 | Alpine | Woods Lake region; southward from Carson Pass. | 2622 | Comment | ||
RSA69407 | Delphinium nuttallianum | F. W. Peirson | 1937-7-26 | 12126 | Alpine | Creek E of Woods Lake. | 2622 | Comment | ||
RSA74831 | Phacelia hydrophylloides | F. W. Peirson | 1939-8-12 | 12843 | Alpine | Carson Pass, Sierra Nevada. | 2622 | Comment | ||
RSA77494 | Angelica breweri | F. W. Peirson | 1911-8-9 | 9544 | El Dorado | Found where East trail and Middle trail join, Mt. Tallac | 2622 | Comment | ||
RSA91856 | Cinna latifolia | F. W. Peirson | 1939-8-14 | 12866 | Alpine | Along the East Fork, near Woods Lake. | 2622 | Comment | ||
RSA93019 | Bahia dissecta | F. W. Peirson | 1922-8-23 | 3282 | San Bernardino | S Fork of Santa Ana River, San Bernardino Mts | 2622 | Comment Read comments Jul 19 2009 |
||
RSA65284 | Eriogonum wrightii var. subscaposum | F. W. Peirson | 1922-7-30 | 5347 | Ventura | Mt. Pinos. | 2652 | Comment | ||
RSA65928 | Eriogonum kennedyi var. alpigenum | F. W. Peirson | 1922-7-30 | 3231 | Ventura | Mt. Pinos. | 2652 | Comment | ||
RSA82573 | Stachys stebbinsii | F. W. Peirson | 1924-7-27 | 4994 | Riverside | Deer Springs, San Jacinto Mtns. | 2668 | Comment | ||
RSA84859 | Ranunculus oxynotus | F. W. Peirson | 1920-8-22 | 1877 | San Bernardino | Foxesse Creek [Forsee Creek], San Bernardino Mts. | 2668 | Comment | ||
CAS-BOT-BC31567 | Carex luzulifolia | Frank W. Peirson | 1937-7-25 | 13564 | Alpine | Trail to Winnemucca, Woods Lake. | 2682 | Comment | ||
RSA88664 | Carex luzulifolia | F. W. Peirson | 1935-7-30 | 11723 | Alpine | small riparian meadows along stream west of Woods Lake | 2683 | Comment | ||
UC640214 | Eriogonum spergulinum var. reddingianum | Frank W. Peirson | 1939-8-13 | 12854 | Alpine | slopes about Frog Lake Woods Lake Region, Frog Lake | 2712 | Comment | ||
RSA93834 | Chrysothamnus parryi subsp. nevadensis | F. W. Peirson | 1939-8-12 | 12847 | Alpine | About Frog Lake, Woods Lake Region, Sierra Nevada | 2713 | Comment | ||
CAS-BOT-BC21935 | Carex heteroneura | Frank W. Peirson | 1935-8-4 | 11732 | Mono | Sonora Pass Region. About 2 miles southeast of Pass. | 2743 | Comment | ||
JEPS10748 | Pedicularis semibarbata | Frank W. Peirson | 1918-6-17 | 212 | Los Angeles | n slope North Baldy Baldy; San Gabriel Mountains | 2743 | Comment | ||
JEPS44520 | Horkelia rydbergii | Frank W. Peirson | 1923-8-23 | 3976 | San Bernardino | 1/4 mi w High Creek; San Gabriel Mountains | 2743 | Comment Read comments Jul 28 2016 |
||
UC640241 | Polygonum davisiae | Frank W. Peirson | 1939-8-10 | 12800 | Alpine | near Winnemucca Lake; Woods Lake Region | 2743 | Comment | ||
RSA95157 | Hieracium horridum | F. W. Peirson | 1920-8-22 | 2343 | San Bernardino | Foxesee Creek [Forsee Creek], San Bernardino Mountains | 2743 | Comment | ||
RSA69618 | Triglochin palustris | F. W. Peirson | 1919-8-12 | 1541 | Tulare | Rattlesnake Creek, tributary of Kern River | 2744 | Comment Read comments Mar 1 2011 |
||
RSA69635 | Juncus balticus subsp. ater | F. W. Peirson | 1920-8-25 | 2268 | San Bernardino | Dollar Lake, San Bernardino Mountains. | 2744 | Comment | ||
RSA87333 | Melica bulbosa | F. W. Peirson | 1937-7-24 | 12218 | Alpine | Shores of Winnemucca Lake, Woods Lake Region, Sierra Nevada. | 2744 | Comment | ||
RSA0126135 | Arabis drummondii | F. W. Peirson | 1939-8-10 | 12802 | Alpine | Winnemucca Lake, Woods Lake Region | 2744 | Comment | ||
RSA100243 | Valeriana capitata subsp. californica | F. W. Peirson | 1939-8-10 | 12797 | Alpine | Above Winnemucca Lake, Woods Lake Region, Sierra Nevada | 2744 | Comment | ||
RSA69273 | Chimaphila umbellata subsp. occidentalis | F. W. Peirson | 1924-7-14 | 4964 | San Bernardino | Slope E of S Fork Santa Ana. | 2744 | Comment | ||
RSA73060 | Leptosiphon ciliatus | F. W. Peirson | 1927-7-31 | 7605 | Tuolumne | On trail from Tuolumne Meadows to Conness Peak. Sierra Nevada. | 2744 | Comment | ||
RSA85749 | Potentilla flabellifolia | F. W. Peirson | 1935-7-27 | 11609 | Alpine | Along small streamlet on west slope of Ebbetts Pass. | 2744 | Comment | ||
RSA88696 | Carex lenticularis var. lipocarpa | F. W. Peirson | 1939-8-10 | 12810 | Alpine | Winnemucca Lake, Woods Lake Region | 2744 | Comment | ||
RSA97458 | Osmorhiza occidentalis | F. W. Peirson | 1939-8-13 | 12852 | Alpine | Slope above Frog Lake, Woods Lake Region, Sierra Nevada | 2744 | Comment | ||
RSA69502 | Luzula comosa | F. W. Peirson | 1923-8-23 | 4263 | San Bernardino | High Creek, San Bernardino Mountains. | 2774 | Comment | ||
RSA70266 | Juncus macrandrus | F. W. Peirson | 1923-8-23 | 3969 | San Bernardino | High Creek, San Bernardino Mountains. | 2774 | Comment | ||
RSA80151 | Mimulus breweri | F. W. Peirson | 1922-8-23 | 3278 | San Bernardino | Dry Lake, San Bernardino Mountains. | 2774 | Comment | ||
RSA85686 | Potentilla fruticosa | F. W. Peirson | 1925-6-27 | 6114 | Mono | Gem Lake. | 2774 | Comment | ||
RSA86296 | Potentilla wheeleri | F. W. Peirson | 1906-8-18 | 4279 | San Bernardino | Dry Lake. | 2774 | Comment | ||
CAS-BOT-BC119113 | Carex phaeocephala | Frank Warrington Peirson | 1935-8-4 | 11730 | Mono | Sonora Pass Region. Open terrain along the main range ca 1.5 mi S of Pass. | 2804 | Comment | ||
GH404012 | Cryptantha humilis | F. W. Peirson | 1935-7-27 | 11599 | Unknown | Summit region south of Ebbets Pass | 2804 | Comment | ||
RSA80065 | Veronica cusickii | F. W. Peirson | 1937-7-23 | 12100 | Alpine | Along western edge of plateau southwest of Woods Lake | 2805 | Comment | ||
RSA80470 | Mimulus nanus var. mephiticus | F. W. Peirson | 1935-7-30 | 11635 | Alpine | West of Roundtop, Woods Lake Region. | 2805 | Comment | ||
RSA464467 | Lewisia pygmaea | F. W. Peirson | 1935-7-30 | s.n. | Alpine | Alpine County: Woods Lake Region. High open plain NW from Roundtop | 2805 | Comment | ||
RSA86301 | Ivesia lycopodioides subsp. megalopetala | F. W. Peirson | 1921-8-10 | 2532 | Fresno | Evolution Meadow, Sierra Nevada. | 2805 | Comment | ||
UC511738 | Dodecatheon alpinum | Frank W. Peirson | 1927-8-6 | 7652 | Mariposa | May Lake | 2819 | Comment | ||
RSA70455 | Allium burlewii | F. W. Peirson | 1918-6-17 | 4 | Los Angeles | Summit of North Baldy, San Gabriel Mts. | 2820 | Comment | ||
RSA70830 | Arctostaphylos nevadensis | F. W. Peirson | 1925-6-27 | 6117 | Mono | West end of Gem lake, Sierra Nevada. | 2820 | Comment | ||
A364338 | Eriogonum microthecum var. alpinum | F. W. Peirson | 1935-8-4 | 11647 | Unknown | Sonora Pass region | 2834 | Comment | ||
RSA84210 | Sedum niveum | F. W. Peirson | 1922-8-24 | 3293 | San Bernardino | Rocky ledge above Dollar Lake, San Bernardino Mountains. | 2834 | Comment | ||
RSA66102 | Cardamine breweri | F. W. Peirson | 1935-8-4 | 11662 | Mono | East slope of main range, ca. 1.5 miles S of Sonora Pass. | 2835 | Comment | ||
RSA80451 | Mimulus moschatus var. longiflorus | F. W. Peirson | 1927-8-6 | 7651 | Mariposa | Near May Lake, Sierra Nevada. | 2835 | Comment | ||
RSA83951 | Saxifraga oregana | F. W. Peirson | 1935-8-4 | 11655 | Mono | Along east slope of main range, ca. 1.5 miles east of Sonora Pass, Sierra Nevada. | 2835 | Comment | ||
RSA93942 | Artemisia arbuscula subsp. arbuscula | F. W. Peirson | 1937-7-26 | 12128 | Alpine | East of Winnemucca Lake, Woods lake region | 2835 | Comment | ||
RSA94892 | Arnica fulgens | F. W. Peirson | 1935-7-30 | 11636 | Alpine | N slope of Roundtop, Woods Lake Region. | 2865 | Comment | ||
RSA84857 | Ranunculus oxynotus | F. W. Peirson | 1935-7-30 | 11638 | Alpine | N slope of Roundtop, Woods Lake Region. | 2866 | Comment | ||
RSA93179 | Machaeranthera canescens | F. W. Peirson | 1920-8-22 | 2588 | San Bernardino | Ridge east of Foxesee Creek [Forsee Creek], San Bernardino Mts | 2895 | Comment | ||
CAS-BOT-BC22080 | Carex heteroneura | Frank W. Peirson | 1937-7-25 | 12205 | Alpine | Woods Lake Region. Near Fourth of July Lake. | 2895 | Comment | ||
POM9929 | Cryptogramma acrostichoides | F. W. Peirson | 1921-8-22 | 1519 | San Bernardino | San Bernardino Mountains: Foxesee Creek [Forsee Creek]. | 2895 | Comment | ||
SD87600 | Scorzonella nutans var. laciniata | Frank W. Peirson | 1921-8-9 | 1465 | Fresno | Piute Creek | 2895 | Comment | ||
RSA84523 | Jamesia americana var. rosea | F. W. Peirson | 1913-8-10 | 1952 | Fresno | Above Vidette Meadow, Bubba Creek | 2896 | Comment | ||
RSA85745 | Potentilla flabellifolia | F. W. Peirson | 1925-6-27 | 6123 | Mono | Rush Creek. | 2896 | Comment | ||
RSA87330 | Muhlenbergia filiformis | F. W. Peirson | 1921-8-16 | 2565 | Fresno | South Fork of Kings River, Sierra Nevada. | 2896 | Comment | ||
RSA88837 | Carex phaeocephala | F. W. Peirson | 1920-9-15 | 2290 | San Bernardino | Summit of peak north of Mount San Antonio | 2896 | Comment | ||
POM231942 | Silene douglasii | F. W. Peirson | 1937-7-22 | s.n. | Alpine | Woods Lake Region; near Fourth of July Lake. | 2896 | Comment | ||
RSA69742 | Luzula parviflora | F. W. Peirson | 1927-7-31 | 7608 | Tuolumne | Trail from Tuolumne Meadows to Conness Peak. | 2896 | Comment | ||
RSA90361 | Lotus davidsonii | F. W. Peirson | 1920-8-22 | 4094 | San Bernardino | Ridge east of Foxesee Creek [Forsee Creek], San Bernardino Mountains | 2896 | Comment | ||
RSA95072 | Microseris nutans | F. W. Peirson | 1921-8-9 | 1465 | Fresno | Oiute [Piute?] Creek, Sierra Nevada | 2896 | Comment | ||
PASA951 | Senecio multicapitatus | Frank W. Peirson | 1922-8-23 | San Bernardino | North slope San Gorgonio, San Bernardino Mts. | 2925 | Comment | |||
RSA0070605 | Cirsium canovirens | F. W. Peirson | 1935-7-29 | 11628 | Alpine | Summit of Elephants Back, Woods Lake Region, Sierra Nevada. | 2927 | Comment | ||
UC501528 | Anemone drummondii | Frank W. Peirson | 1932-7-23 | 10393 | Mono | summit Sonora Pass; w. edge Mono Co., Sonora Pass | 2933 | Comment | ||
CAS-BOT-BC124060 | Galium hypotrichium subsp. subalpinum | Frank Warrington Peirson | 1919-8-27 | 1189 | Inyo | Sawmill Creek, east slope Sierra Nevada | 2956 | Comment | ||
JEPS19208 | Lorandersonia peirsonii | F. W. Peirson | 1919-8-27 | 1404 | Inyo | Sawmill Canyon e. slope Sierra Nevada | 2956 | Comment | ||
RSA0005760 | Galium munzii var. subalpinum | F. W. Peirson | 1919-7-27 | 1189 | Inyo | Sawmill Creek, east slope of Sierra Nevada. | 2957 | Comment | ||
RSA85758 | Potentilla glandulosa var. nevadensis | F. W. Peirson | 1921-8-10 | 1973 | Fresno | Evolution Creek, Sierra Nevada Creek. | 2957 | Comment | ||
RSA90614 | Pyrrocoma apargioides | F. W. Peirson | 1921-8-10 | 2713 | Fresno | Evolution Creek, Sierra Nevada | 2957 | Comment | ||
RSA80089 | Mimulus tilingii | F. W. Peirson | 1929-7-21 | 8515 | Inyo | Showy and in considerable clumps, stream bank in allucvial flat South Lake, Bishop Creek. | 2973 | Comment | ||
RSA93851 | Chrysothamnus parryi subsp. monocephalus | F. W. Peirson | 1934-7-13 | 11208 | Mono | Shores of Virginia Lake, Virginia Lakes Basin | 2988 | Comment | ||
RSA94873 | Arnica nevadensis | F. W. Peirson | 1934-7-16 | 11394 | Mono | Moraine near Virginia Lakes Resort, Virginia Lakes Basin, Sierra Nevada | 2988 | Comment | ||
RSA65669 | Montia chamissoi | F. W. Peirson | 1927-7-29 | 7589 | Mono | Slate Creek near Saddlebag Lake, Sierra Nevada. | 3017 | Comment | ||
RSA72129 | Epilobium saximontanum | F. W. Peirson | 1929-7-19 | 8485 | Inyo | Bishop Creek at South Lake. | 3018 | Comment | ||
RSA86626 | Purshia tridentata var. tridentata | F. W. Peirson | 1934-7-11 | 11183 | Mono | East of Blue Lake, Virginia Lakes Basin, Sierra Nevada. | 3018 | Comment | ||
UCR136628 | Thalictrum fendleri | F. W. Peirson | 1934-7-16 | 11242 | Mono | Sierra Nevada Mtns., brushy west end of Blue Lake, Virginia Lakes Basin | 3018 | Comment | ||
POM203907 | Wyethia mollis | F. W. Peirson | 1934-7-16 | s.n. | Mono | Open spaces at west end of Blue Lake, Virginia Lakes Basin, east slope of Sierra Nevada | 3018 | Comment | ||
POM47060 | Arenaria serpyllifolia subsp. serpyllifolia | F. W. Peirson | 1924-5-27 | 4622 | Los Angeles | Colby s Ranch. San Gabriel Mountains. | 3018 | 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 | ||
RSA68799 | Delphinium glaucum | F. W. Peirson | 1934-7-16 | 11237 | Mono | W end of Blue L Lake, Virginia Lakes Basin | 3018 | Comment | ||
RSA79426 | Collinsia parviflora | F. W. Peirson | 1935-7-18 | 11664 | Mono | Near site of old saw mill; Slate Creek. | 3018 | Comment | ||
RSA91135 | Trifolium monanthum subsp. monanthum | F. W. Peirson | 1927-7-29 | 7590 | Mono | Slate Creek, east slope of Sierra Nevada. | 3018 | Comment | ||
RSA92708 | Salix orestera | F. W. Peirson | 1929-7-19 | 8491 | Inyo | Upper Bishop Creek at South Lake, east slope of Sierra Nevada. | 3018 | Comment | ||
RSA93264 | Erigeron lonchophyllus | F. W. Peirson | 1929-7-25 | 8561 | Inyo | South Lake, Bishop Creek Region, east slope of Sierra Nevada | 3018 | Comment | ||
RSA70078 | Platanthera leucostachys | Frank W. Peirson | 1934-7-16 | 11234 | Mono | Just above the gorge above Blue Lake, Virginia Lakes Basin. | 3034 | Comment | ||
RSA94854 | Arnica longifolia subsp. myriadenia | F. W. Peirson | 1934-7-16 | 11240 | Mono | Above Blue Lake. Virginia Lakes Basin. | 3034 | Comment | ||
PASA2189 | Chaenactis douglasii | Frank W. Peirson | 1921-8-6 | Inyo | Trail north from Big Pine Creek | 3047 | Comment | |||
UC221334 | Lorandersonia peirsonii | Frank W. Peirson | 1921-8-7 | 2517 | Inyo | North Fork Bishop Creek | 3048 | 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 | ||
RSA80211 | Plagiobothrys greenei | F. W. Peirson | 1911-8-9 | 1028 | Tulare | Whitney Meadows, Sierra Nevada | 3049 | Comment | ||
RSA87374 | Agrostis scabra | F. W. Peirson | 1930-8-6 | 9110 | Inyo | Rock Creek Lake Basin, northern Inyo County. | 3049 | Comment | ||
RSA72634 | Wyethia mollis | F. W. Peirson | 1934-7-14 | 11209 | Mono | Above the Virginia Lakes, east slope of Sierra Nevada. | 3049 | Comment | ||
RSA90252 | Astragalus lentiginosus var. ineptus | F. W. Peirson | 1914-8-4 | 587 | Inyo | Coyote Creek. | 3049 | Comment | ||
RSA91258 | Lupinus breweri var. bryoides | F. W. Peirson | 1921-8-6 | 2549 | Inyo | Coyote Creek meadows, Sierra Nevada | 3049 | Comment | ||
RSA0117257 | Collinsia parviflora | F. W. Peirson | 1930-8-6 | 9109 | Inyo | Rock Creek Lake Basin, northern Inyo County. | 3079 | Comment | ||
RSA87421 | Lupinus polyphyllus subsp. superbus | F. W. Peirson | 1927-8-3 | 7633 | Tuolumne | West side of Mt. Dana. | 3110 | Comment | ||
RSA0003480 | Lupinus padre-crowleyi | F. W. Peirson | 1921-8-6 | 2551 | Inyo | Trail out of Big Pine to Baker Creek, Sierra Nevada | 3125 | Comment | ||
SD87801 | Antennaria corymbosa | Frank W. Peirson | 1940-8-6 | 12958 | Inyo | Rock Creek Lake Basin. | 3130 | Comment | ||
RSA0084027 | Potentilla | F. W. Peirson | 1921-8-8 | 2629 | Fresno | Piute Creek, Sierra Nevada. | 3139 | Comment | ||
RSA65948 | Eriogonum umbellatum var. nevadense | F. W. Peirson | 1934-7-10 | 11171 | Mono | rocky location near Cooney Lake, Virginia Lakes Basin, Sierra Nevada. | 3140 | Comment | ||
SD87802 | Erigeron compositus | Frank W. Peirson | 1934-7-10 | 11176 | Mono | Virginia Lakes Basin, Rock Platform near Cooney Lake | 3140 | Comment | ||
POM203398 | Arabis puberula | F. W. Peirson | 1934-7-10 | 11175 | Mono | Near Cooney Lake, Virginia Lakes Basin. | 3140 | Comment | ||
POM175515 | Silene menziesii subsp. dorrii | F. W. Peirson | 1931-7-31 | s.n. | Inyo | Rock Creek Lake Basin, bank along road below Heart Lake. | 3171 | Comment | ||
RSA87362 | Agrostis hyemalis | F. W. Peirson | 1931-7-31 | 9612 | Inyo | Rock Creek Lake Basin | 3171 | Comment | ||
RSA91644 | Carex vernacula | F. W. Peirson | 1934-7-15 | 11228 | Mono | Along Red Lake stream, Virginia Lakes Basin. | 3171 | 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 | ||
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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CAS-BOT-BC117784 | Carex specifica | Frank Warrington Peirson | 1933-8-13 | 10849 | Inyo | Rock Creek Lake Basin, meadow at Heart Lake. | 3200 | Comment | ||
CAS-BOT-BC218398 | Comastoma tenellum | Frank W. Peirson | 1933-8-22 | s.n. | Inyo | Heart Lake Meadow, Rock Creek Lake Basin | 3200 | Comment | ||
CAS-BOT-BC239758 | Ptilagrostis kingii | F. W. Peirson | 1940-9-10 | 13545 | Inyo | Heart Lake Meadow, Rock Creek Lake Basin | 3200 | Comment | ||
CAS-BOT-BC266361 | Eriogonum nudum var. deductum | Frank W. Peirson | 1930-8-3 | Inyo | Rock Creek Lake Basin, about Heart Lake | 3200 | Comment | |||
CAS-BOT-BC28276 | Carex scopulorum var. bracteosa | Frank W. Peirson | 1940-8-17 | 13559 | Inyo | Heart Lake Meadow, Rock Creek Lake Basin. | 3200 | Comment | ||
CAS-BOT-BC9408 | Carex subnigricans | F. W. Peirson | 1940-8-17 | s.n. | Inyo | Heart Lake Meadows, Rock Creek Lake Basin | 3200 | Comment | ||
JEPS31380 | Gentianella tenella subsp. tenella | Frank W. Peirson | 1931-7-21 | 9482 | Inyo | meadow at and elsewhere Heart Lake; Rock Creek Lake Basin | 3200 | Comment | ||
RSA65052 | Silene sargentii | F. W. Peirson | 1930-8-3 | 9065 | Inyo | east of Heart Lake, Rock Creek Lake Basin. | 3200 | Comment | ||
UC1026420 | Carex abrupta | F. W. Peirson | 1940-8-17 | 13558 | Inyo | Heart Creek Meadow Rock Creek Lake Basin, Heart Creek Meadow | 3200 | Comment | ||
UC1026431 | Carex pellita | F. W. Peirson | 1940-8-17 | 13561 | Inyo | Heart Lake Meadow Rock Creek Lake Basin | 3200 | Comment | ||
UC638461 | Potentilla pensylvanica var. ovium | Frank W. Peirson | 1931-7-21 | 9474 | Inyo | meadow at Heart Lake; Rock Creek Lake Basin | 3200 | Comment | ||
UC698469 | Eleocharis suksdorfiana | Frank W. Peirson | 1940-8-17 | Inyo | Heart Lake Meadow Rock Creek Lake Basin | 3200 | Comment | |||
CAS-BOT-BC34220 | Carex canescens | Frank W. Peirson | 1933-8-11 | 10833 | Inyo | Rock Creek Lake Basin. East chain lakes. | 3200 | Comment | ||
CAS-BOT-BC419959 | Polygonum polygaloides subsp. kelloggii | Frank W. Peirson | 1933-8-15 | s.n. | Inyo | Near Heart Lake. Rock Creek Lake Basin | 3200 | Comment | ||
SEINET7575690 | Carex specifica | Frank W. Peirson | 1933-8-13 | 10849 | Inyo | Rock Creek Lake Basin. | 3200 | Comment | ||
RSA100547 | Symphoricarpos vaccinioides | F. W. Peirson | 1930-8-3 | 9067 | Inyo | On margin of Heart Lake, Rock Creek Lake Basin. | 3201 | Comment | ||
RSA65957 | Eriogonum umbellatum var. nevadense | F. W. Peirson | 1931-7-21 | 9438 | Inyo | Near Heart Lake, Rock Creek Lake Basin. | 3201 | Comment | ||
RSA82276 | Castilleja lemmonii | F. W. Peirson | 1921-8-15 | 1157 | Fresno | Cartridge Creek, tributary of Middle Fork of Kings River. | 3201 | Comment | ||
RSA85786 | Potentilla glandulosa subsp. nevadensis | F. W. Peirson | 1930-8-3 | 9066 | Inyo | On margin of Heart Lake, Rock Creek Lake Basin. | 3201 | Comment | ||
RSA86304 | Ivesia pygmaea | F. W. Peirson | 1916-8-25 | 1962 | Tulare | Silver Lake, Little Kern Tributary, Sierra Nevada. | 3201 | Comment Read comments Feb 25 2011 |
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RSA88661 | Carex fissuricola | F. W. Peirson | 1916-8-25 | 1629 | Tulare | Silver Lake, tributary to Little Kern river, Sierra Nevada | 3201 | Comment | ||
POM9938 | Pellaea breweri | F. W. Peirson | 1921-8-18 | 1509 | Inyo | Taboose Pass | 3201 | Comment Read comments Jan 23 2011 |
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RSA66016 | Eriogonum nudum var. deductum | F. W. Peirson | 1931-8-3 | 9063 | Inyo | East of Heart Lake, Rocky Creek lake Basin, 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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RSA80085 | Mimulus tilingii | F. W. Peirson | 1930-8-3 | 9057 | Inyo | along stream from Ruby Lake near Heart Lake, Rock Creek Lake Basin. | 3201 | Comment | ||
RSA80652 | Hypericum androsaemum | F. W. Peirson | 1931-8-2 | 9464 | Inyo | Heart lake, Rock Creek Lake Basin | 3201 | Comment | ||
RSA86327 | Ivesia lycopodioides subsp. megalopetala | F. W. Peirson | 1930-8-3 | 9052 | Inyo | West side of Heart Lake, Rock Creek Lake Basin, northern Inyo county | 3201 | Comment | ||
RSA90874 | Carex utriculata | F. W. Peirson | 1933-8-11 | 10848 | Inyo | East Chain Lakes, Rock Creek Lake Basin, northern Inyo County. | 3201 | Comment | ||
RSA91836 | Calamagrostis canadensis | Frank W. Peirson | 1933-8-11 | 10822 | Inyo | Lowest chain of lakes, Rock Creek Lake Basin, northern Inyo County. | 3201 | Comment | ||
RSA92115 | Carex senta | F. W. Peirson | 1933-8-11 | 10834 | Inyo | East chain lake, Rock Creek Lake Basin, northern Inyo County. | 3201 | Comment | ||
RSA92149 | Eleocharis quinqueflora | F. W. Peirson | 1930-8-8 | 9146 | Inyo | East of Heart Lake, Rock Creek Lake Basin | 3201 | Comment | ||
CAS-BOT-BC111189 | Trichophorum clementis | Frank Warrington Peirson | 1934-7-27 | 11300 | Inyo | Geart Lake Meadow, Rock Creek Lake Basin | 3215 | Comment | ||
CAS-BOT-BC31884 | Carex microptera | Frank W. Peirson | 1934-7-23 | 11401 | Inyo | Heart Lake Meadow, RockCreek Lake Basin. | 3215 | Comment | ||
CAS-BOT-BC20629 | Carex douglasii | Frank W. Peirson | 1937-8-8 | 12212 | Inyo | Rock Creek Lake basin. Heart Lake region. | 3215 | Comment | ||
JEPS27458 | Boechera retrofracta | Frank W. Peirson | 1937-8-6 | 12183 | Inyo | Box Lake Rock Creek Lake Basin | 3215 | Comment | ||
RSA91594 | Carex canescens | F. W. Peirson | 1933-8-11 | 10833 | Inyo | East Chain lakes, Rock Creek Lake Basin, Sierra Nevada, northern Inyo County. | 3216 | Comment | ||
CAS-BOT-BC118818 | Carex preslii | Frank Warrington Peirson | 1940-8-17 | 13022 | Inyo | Heart Lake Meadow, Rock Creek Lake Basin. | 3230 | 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 | ||
JEPS16598 | Anelsonia eurycarpa | Frank W. Peirson | 1934-7-13 | 11201 | Mono | in the cirque above Red Lake (Virginia Lakes Basin); Virginia Lakes Basin | 3230 | Comment | ||
JEPS27464 | Gayophytum decipiens | Frank W. Peirson | 1937-8-4 | 12176 | Inyo | Heart Lake Region, Rock Creek Lake Basin | 3230 | Comment | ||
UC511760 | Ribes inerme var. inerme | Frank W. Peirson | 1933-8-13 | Inyo | along the Escarpment w Heart Lake Meadow; Rock Creek Lake Basin | 3230 | Comment | |||
UC638464 | Potentilla pseudosericea | Frank W. Peirson | 1934-7-13 | 11203 | Mono | in the cirque above Red Lake (Virginia Lakes Basin); , above Red Lake | 3230 | 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 | |||
UC643223 | Eriogonum incanum | Frank W. Peirson | 1940-8-1 | 12987 | Inyo | dry border of Heart Lake Meadow Rock Creek Lake Basin, Heart Lake Meadow | 3230 | 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 | ||
CAS-BOT-BC228812 | Cistanthe umbellata | F. W. Peirson | 1940-7-31 | s.n. | Inyo | Rock Creek Lake Basin | 3230 | Comment | ||
UC643226 | Ivesia lycopodioides subsp. megalopetala | Frank W. Peirson | 1940-7-31 | Inyo | Heart Lake Meadow; Rock Creek Lake Basin | 3230 | Comment | |||
RSA68705 | Lilium kelleyanum | Frank W. Peirson | 1933-8-13 | 10796 | Inyo | Heart Lake Meadow, Rock Creek Lake Basin, Sierra Nevada. | 3232 | Comment | ||
POM203753 | Linanthus pungens subsp. pulchriflorus | F. W. Peirson | 1934-7-25 | s.n. | Inyo | Rock Creek Lake Basin. Foot of escarpment at Heart Lake. | 3232 | Comment | ||
RSA0063075 | Heuchera rubescens var. alpicola | F. W. Peirson | 1911-8-3 | s.n. | Fresno | Rae Lake, Sierra Nevada. | 3232 | Comment | ||
RSA65831 | Descurainia californica | F. W. Peirson | 1931-7-17 | 9457 | Inyo | Heart Lake, Rock Creek Lake Basin, northern Inyo Co. | 3232 | Comment | ||
RSA68697 | Lilium pardalinum | Frank W. Peirson | 1937-8-4 | 12177 | Inyo | Upper part of Heart Lake Meadow, not far from the Ruby stream, Rock Creek Lake Basin. | 3232 | Comment | ||
RSA70580 | Sisyrinchium idahoense | Frank W. Peirson | 1933-8-6 | 10773 | Inyo | Heart Lake Meadow, Rock Creek Lake Basin, Sierra Nevada. | 3232 | Comment | ||
RSA78500 | Carex abrupta | F. W. Peirson | 1940-8-17 | 13570 | Inyo | Heart Lake Meadow, Rock Creek Lake Basin. northern Inyo County. | 3232 | Comment | ||
RSA78503 | Carex jonesii | F. W. Peirson | 1940-8-17 | 13571 | Inyo | Heart Lake Meadow, Rock Creek Lake Basin. northern Inyo County. | 3232 | Comment | ||
RSA83344 | Monardella odoratissima subsp. glauca | F. W. Peirson | 1934-7-26 | 11284 | Inyo | Rock Creek Lake Basin. | 3232 | Comment | ||
RSA84488 | Actaea rubra | F. W. Peirson | 1931-7-24 | 9449 | Inyo | At foot of escarpment of Heart Lake, Rock Creek lake Basin. | 3232 | Comment | ||
RSA93623 | Antennaria umbrinella | F. W. Peirson | 1940-8-6 | 12958 | Inyo | Dry border of Heart Lake Meadow near its upper end, Rock Creek Lake Basin, northern Inyo Co. | 3232 | Comment | ||
RSA94578 | Achillea millefolium var. alpicola | F. W. Peirson | 1940-7-31 | 12969 | Inyo | Dry border of Heart Lake Meadow at upper end; Rock Creek Lake Basin, northern Inyo Co., California. | 3232 | Comment | ||
RSA95155 | Hieracium horridum | F. W. Peirson | 1919-8-24 | 1499 | Fresno | Rae Lake, Sierra Nevada. | 3232 | Comment | ||
RSA66207 | Arabis inyoensis | F. W. Peirson | 1940-8-1 | 12974 | Inyo | Rock Creek Lake Basin | 3247 | Comment | ||
CAS-BOT-BC236007 | Poa secunda subsp. secunda | Frank W. Peirson | 1940-8-19 | 12934 | Inyo | Rock Creek Lake Basin, in the defile across the Transverse Ridge | 3261 | Comment | ||
CAS-BOT-BC267099 | Triglochin palustris | Frank W. Peirson | 1940-8-4 | 12180 | Inyo | Rock Creek Lake Basin, on E side of canyon | 3261 | Comment | ||
CAS-BOT-BC28067 | Carex illota | Frank W. Peirson | 1933-8-4 | 10831 | Inyo | Broken country south of Long Lake, Rock Creek Lake Basin. | 3261 | Comment | ||
SEINET179664 | Poa stebbinsii | Frank W. Peirson | 1933-8-6 | 10816 | Inyo | Rock Creek Lake Basin, in small meadow eastward from Long Lake. | 3261 | Comment | ||
UC1026429 | Carex illota | F. W. Peirson | 1940-8-18 | 13573 | Inyo | along stream s Long Lake; Rock Creek Lake Basin | 3261 | Comment | ||
UC570579 | Rumex paucifolius | Frank W. Peirson | 1935-7-16 | 11516 | Inyo | upper end Heart Lake Meadow; Rock Creek Basin, Heart Lake Meadow | 3261 | Comment | ||
CAS-BOT-BC114824 | Carex whitneyi | Frank Warrington Peirson | 1931-7-24 | 9415 | Inyo | Rock Creek Lake Basin. West shore Long Lake in dry location. | 3261 | 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 | ||
SEINET6632133 | Poa nervosa | Frank W. Peirson | 1934-1 | Inyo | Rock Creek Lake Basin | 3261 | Comment | |||
UC643216 | Thalictrum sparsiflorum | Frank W. Peirson | 1940-8-5 | Inyo | margin of lake on e side canyon (and at base of Transverse Ridge); Rock Creek Lake Basin | 3261 | Comment | |||
POM254385 | Luzula orestera | F. W. Peirson | 1940-8-1 | 12966 | Inyo | Long Lake, Rock Creek Lake Basin. | 3262 | Comment | ||
RSA69737 | Luzula orestera | F. W. Peirson | 1940-8-1 | 12966 | Inyo | Long Lake and stream valleys southward, Rock Creek Lake Basin. | 3262 | Comment | ||
RSA78506 | Carex aurea | F. W. Peirson | 1940-8-18 | 13574 | Inyo | South of Long Lake, Rock Creek Lake Basin, northern Inyo County. | 3262 | Comment | ||
RSA72160 | Epilobium anagallidifolium | F. W. Peirson | 1931-7-24 | s.n. | Inyo | West shore of Long Lake, Rock Creek Lake Basin, Sierra Nevada. | 3262 | Comment | ||
RSA77776 | Viola macloskeyi | F. W. Peirson | 1931-7-22 | 9465 | Inyo | Long Lake, Rock Creek Lake Basin. | 3262 | Comment | ||
RSA85010 | Adiantum aleuticum | F. W. Peirson | 1931-7-22 | 9391 | Inyo | West shore of Long Lake, Rock Creek Lake Basin | 3262 | Comment | ||
RSA84603 | Heuchera rubescens var. rydbergiana | F. W. Peirson | 1931-7-24 | 9462 | Inyo | west side of Long Lake, Rock Creek Lake Basin. | 3277 | 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 | ||
RSA90437 | Astragalus kentrophyta var. danaus | F. W. Peirson | 1921-8-18 | 2802 | Inyo | Taboose Pass, Sierra Nevada. | 3277 | Comment | ||
RSA92867 | Urtica dioica subsp. holosericea | F. W. Peirson | 1931-7-24 | 9429 | Inyo | west side of Long Lake, Rock Creek Lake Basin. | 3277 | Comment | ||
SD87683 | Erigeron clokeyi | Frank W Peirson | 1931-8-2 | Inyo | Rock Creek Lake Basin, west of Heart Lake | 3290 | Comment | |||
CAS-BOT-BC22201 | Carex helleri | Frank W. Peirson | 1934-7-23 | s.n. | Inyo | Rock Creek Lake Basin. Dry location on the east side of the Canyon. | 3291 | Comment | ||
RSA160278 | Senecio canus | F. W. Peirson | 1929-7-24 | s.n. | Inyo | Green Lake Region, Bishop Creek. | 3291 | Comment | ||
UC643210 | Minuartia nuttallii subsp. gracilis | Frank W. Peirson | 1937-8-3 | Inyo | near Chickenfoot Lake; Rock Creek Lake Basin | 3291 | Comment | |||
UC643220 | Boechera | Frank W. Peirson | 1940-8-6 | 12975 | Inyo | slope w Heart Lake; Rock Creek Lake Basin | 3291 | Comment | ||
CAS-BOT-BC389804 | Silene sargentii | Frank W. Peirson | 1937-8-7 | s.n. | Inyo | Rock Creek Lake Basin. In the main gorge south of Long Lake | 3291 | Comment | ||
GH424181 | Scirpus clementis | F. W. Peirson | 1937-8-3 | Unknown | Rocky Creek Lake Basin, Shores of Chickenfoot Lake | 3291 | Comment Read comments Jan 12 2017 |
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JEPS27460 | Boechera howellii | Frank W. Peirson | 1937-8-3 | 12172 | Inyo | bank near Chickenfoot Lake (Rock Creek Lake Basin); Rock Creek Lake Basin | 3291 | 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 | ||
POM254419 | Triglochin palustris | F. W. Peirson | 1940-8-4 | s.n. | Inyo | Rock Creek Lake Basin | 3293 | Comment | ||
RSA70093 | Juncus parryi | F. W. Peirson | 1930-8-4 | 9081 | Inyo | Upper Rock Creek Lake Basin. | 3293 | 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 | ||
RSA86349 | Pinus jeffreyi | F. W. Peirson | 1931-7-30 | 9396 | Inyo | Along Ruby Stream. Rock Creek Lake Basin, at 10,800 ft. | 3293 | Comment | ||
RSA66514 | Arabis platysperma var. howellii | F. W. Peirson | 1934-7-23 | 11297 | Inyo | Rock Creek Lake Basin | 3293 | 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 | ||
RSA85780 | Sibbaldia procumbens | F. W. Peirson | 1931-7-18 | 9477 | Inyo | Road to Morgan Pass, Chickenfoot Lake region; Rock Creek Lake Basin. | 3293 | Comment | ||
RSA91006 | Erigeron petiolaris | F. W. Peirson | 1933-8-5 | 10812 | Inyo | soil pockets on Transverse Ridge, Rock Creek Lake Basin | 3293 | Comment | ||
RSA93001 | Erigeron clokeyi | F. W. Peirson | 1939-8-4 | 12771 | Inyo | Near one of the E Chain lakes, Rock Creek lake Basin, Northern Inyo County. | 3293 | Comment | ||
RSA93004 | Erigeron clokeyi | F. W. Peirson | 1940-8-3 | 12964 | Inyo | Rock Creek Lake Basin, slope west of Heart Lake. | 3293 | Comment | ||
RSA93091 | Erigeron tener | F. W. Peirson | 1934-7-28 | 11289 | Inyo | Rock Creek Lake Basin along the south slope of the Transverse Glacial Ridge. | 3293 | Comment | ||
CAS-BOT-BC28599 | Achillea millefolium | Frank W. Peirson | 1933-8-19 | s.n. | Inyo | Near Ruby Falls, Rock Creek Lake Basin | 3322 | 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 | ||
POM203755 | Ribes inerme | F. W. Peirson | 1934-7-20 | 11271 | Inyo | At Ruby Falls, Rock Creek Lake Basin, northern Inyo County. | 3323 | 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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RSA85683 | Potentilla diversifolia | F. W. Peirson | 1934-7-29 | 11293 | Inyo | Meadow at Ruby Falls, Rock Creek Lake Basin, extreme northern Inyo county. | 3323 | Comment | ||
RSA91830 | Calamagrostis muiriana | F. W. Peirson | 1934-7-20 | 12617 | Inyo | At Ruby Falls, Rock Creek Lake Basin, northern Inyo County. | 3323 | Comment | ||
CAS-BOT-BC217525 | Galium hypotrichium subsp. hypotrichium | Frank W. Peirson | 1931-7-19 | 9497 | Inyo | Rock Creek Lake Basin | 3352 | Comment | ||
CAS-BOT-BC41154 | Draba lemmonii | F. W. Peirson | 1940-8-2 | s.n. | Inyo | Rock Creek Lake Basin. Below Ruby Lake. | 3352 | Comment | ||
CAS-BOT-BC9406 | Carex subnigricans | Frank W. Peirson | 1934-7-20 | s.n. | Inyo | Rock Creek Lake Basin | 3352 | Comment | ||
CAS-BOT-BC34846 | Carex deflexa var. boottii | Frank W. Peirson | 1937-8-7 | 12211 | Inyo | Rock Creek Lake Basin. Southwest part of basin. | 3352 | Comment | ||
SEINET10490075 | Lupinus lyallii var. danaus | Frank W. Peirson | 1921-8-8 | Peirson 2552 | Inyo | Piute Pass, E slope, Sierra Nevada Mountains. | 3353 | Comment | ||
RSA72166 | Epilobium hallianum | F. W. Peirson | 1908-7-15 | 762 | Tulare | Rock Creek, tributary of Kern River, Sierra Nevada | 3354 | Comment | ||
RSA79944 | Cryptantha nubigena | F. W. Peirson | 1934-7-24 | 11279 | Inyo | West of Heart Lake, Rock Creek Lake Basin, northern Inyo County. | 3354 | Comment | ||
RSA80046 | Castilleja nana | F. W. Peirson | 1937-8-8 | s.n. | Inyo | Tranverse Ridge, Rock Creek Lake Basin. | 3354 | Comment | ||
POM203889 | Lomatium torreyi | F. W. Peirson | 1933-8-5 | s.n. | Inyo | Rock Creek Lake Basin: summit of glacial ridge | 3354 | Comment | ||
RSA0076361 | Sedum lanceolatum | F. W. Peirson | 1921-8-8 | 2717 | Inyo | East slope of Piute Pass. | 3354 | Comment | ||
RSA95159 | Hieracium horridum | F. W. Peirson | 1931-7-20 | 9511 | Inyo | Below Ruby Lake stream, Rock Creek Lake Basin, Sierra Nevada, northern Inyo County. | 3354 | Comment | ||
GH378812 | Boechera lyallii | F. W. Peirson | 1940-8-2 | 12973 | Unknown | east side Ruby stream below Ruby Lake, Rock Creek Lake Basin | 3383 | Comment | ||
RSA91614 | Carex congdonii | F. W. Peirson | 1934-7-22 | 11396 | Inyo | Shore of Upper Glacial Lake, Rock Creek Lake Basin. | 3383 | Comment | ||
RSA80369 | Mimulus leptaleus | F. W. Peirson | 1934-7-27 | 11286 | Inyo | Open level along trail to Mono Pass, Rock Creek Lake Basin. | 3384 | Comment | ||
RSA86329 | Ivesia lycopodioides | F. W. Peirson | 1934-7-12 | 11193 | Mono | In pass at the head of upper Virginia Lakes Basin | 3384 | 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 | ||
SBBG28979 | Erythranthe breweri | F. W. Peirson | 1940-8-10 | 12963 | Inyo | Ruby Lake, above Rock Crk Lake | 3398 | Comment | ||
SD87817 | Ivesia lycopodioides | Frank W. Peirson | 1940-8-10 | 12961 | Inyo | Rock Creek Lake Basin, on the delta at the inlet of Ryby Lake | 3398 | Comment Read comments May 31 2012 |
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UC511766 | Collinsia parviflora | Frank W. Peirson | 1933-8-3 | 10779 | Inyo | Rock Creek Lake Basin, Ruby Lake Ruby Lake; Rock Creek Lake Basin, Ruby Lake | 3398 | Comment | ||
UCD93741 | Trisetum spicatum | F. W. Peirson | 1930-8-7 | 9133 | Inyo | Rock Creek Lake Basin, west shore of Ruby Lake. | 3398 | Comment | ||
RSA94584 | Achillea millefolium var. alpicola | F. W. Peirson | 1931-7-20 | 9506 | Inyo | Shore of Ruby Lake, Rock Creek Lake Basin, Sierra Nevada. | 3398 | Comment | ||
RSA66498 | Arabis lemmonii var. lemmonii | F. W. Peirson | 1940-8-2 | 12976 | Inyo | shore of Ruby Lake near outlet; Rock Creek Lake Basin, northern Inyo Co. | 3399 | Comment | ||
RSA65613 | Stellaria longipes | F. W. Peirson | 1930-10-16 | 9128 | Inyo | West shore of Ruby Lake, Rock Creek Lake Basin, Sierra Nevada | 3399 | Comment | ||
RSA65665 | Montia chamissoi | F. W. Peirson | 1930-8-7 | 9126 | Inyo | Ruby Lake, Rock Creek Lake Basin. | 3399 | Comment | ||
RSA72115 | Epilobium glaberrimum subsp. fastigiatum | F. W. Peirson | 1930-8-7 | 9130 | Inyo | Rock Creek Lake Basin, Sierra Nevada | 3399 | Comment | ||
RSA90204 | Bromus marginatus | F. W. Peirson | 1931-7-30 | 9407 | Inyo | Ruby Lake, Rock Creek Lake Basin. | 3399 | Comment | ||
CAS-BOT-BC217523 | Galium hypotrichium subsp. hypotrichium | Frank W. Peirson | 1931-8-2 | 9498 | Inyo | Rock Creek Lake Basin | 3413 | Comment | ||
RSA66010 | Eriogonum rosense | F. W. Peirson | 1933-8-5 | 10778 | Inyo | Upper part of the Transverse Ridge, Rock Creek Lake Basin. | 3415 | Comment | ||
JEPS56564 | Eriogonum rosense | Frank W. Peirson | 1934-7-21 | Inyo | Rock Creek Lake Basin; nw Inyo Co. | 3444 | Comment | |||
POM175532 | Salix arctica | F. W. Peirson | 1930-8-7 | 9121 | Inyo | Rock Creek Lake Basin, valley south of Ruby Lake. | 3445 | Comment | ||
POM203749 | Draba lemmonii | F. W. Peirson | 1934-7-21 | 9453 | Inyo | Rock Creek Lake Basin; Cirque on east side of canyon | 3445 | Comment | ||
CAS-BOT-BC22203 | Carex helleri | Frank W. Peirson | 1934-7-21 | 11398 | Inyo | Rock Creek Lake Basin. In the cirque on the east slope. | 3474 | Comment | ||
JEPS27452 | Drymocallis pseudorupestris var. crumiana | Frank W. Peirson | 1937-8-11 | 12195 | Inyo | Rock Creek Lake Basin above East Recess; Rock Creek Lake Basin | 3474 | Comment | ||
JEPS41301 | Erigeron aphanactis var. congestus | Frank W. Peirson | 1922-8-23 | San Bernardino | Summit San Gorgonio Peak | 3474 | Comment | |||
JEPS67189 | Luzula spicata | Frank W. Peirson | 1933-8-9 | Inyo | Rock Creek Lake Basin | 3474 | Comment | |||
RSA0063187 | Heuchera parishii | F. W. Peirson | 1922-8-23 | 680 | San Bernardino | Summit of Mount San Gorgonio. | 3476 | Comment | ||
RSA69735 | Luzula orestera | F. W. Peirson | 1930-8-7 | 9116 | Inyo | Valley southward from Ruby Lake, Rock Creek Lake Basin. | 3476 | Comment | ||
RSA88678 | Carex helleri | F. W. Peirson | 1934-7-21 | 11398 | Inyo | East slope of Rock Creek Lake Basin, northern Inyo County. | 3476 | Comment | ||
RSA94720 | Senecio fremontii | F. W. Peirson | 1923-8-24 | 3994 | San Bernardino | Down southeast slope of summit of Mount San Gorgonio Peak | 3476 | Comment | ||
RSA74851 | Phacelia frigida subsp. dasyphylla | F. W. Peirson | 1929-7-24 | 8551 | Inyo | S of Green lake, Bishop Creek Region, Sierra Nevada | 3476 | Comment | ||
RSA93272 | Ericameria discoidea | F. W. Peirson | 1919-8-26 | 1240 | Fresno | Mt. Baxter Cirque, Woods Lake side, Sierra Nevada | 3476 | Comment | ||
RSA85752 | Potentilla wheeleri | F. W. Peirson | 1906-8-19 | 1979 | San Bernardino | Summit of San Gorgonio Peak | 3491 | Comment | ||
RSA90435 | Oxytropis oreophila | F. W. Peirson | 1906-8-19 | 2008 | San Bernardino | Summit of San Gorgonio Peak | 3491 | Comment | ||
CAS-BOT-BC16318 | Boechera howellii | Frank W. Peirson | 1929-7-22 | 8538 | Inyo | Bishop Pass. | 3505 | Comment | ||
UC511727 | Galium hypotrichium subsp. hypotrichium | Frank W. Peirson | 1933-8-8 | 10770 | Inyo | steep mt. slope w Heart Lake; Rock Cr. Lake Basin | 3505 | Comment | ||
UC511752 | Oreostemma alpigenum var. andersonii | Frank W. Peirson | 1933-8-21 | Inyo | strip meadow about Upper Ruby Lake; Rock Creek Lake Basin | 3505 | Comment | |||
SEINET7575754 | Carex spectabilis | Frank W. Peirson | 1933-8-21 | 10839 | Inyo | Rock Creek Lake Basin. | 3505 | Comment | ||
RSA65029 | Silene parishii var. viscida | F. W. Peirson | 1929-7-22 | 8537 | Inyo | Among rocks, foot of steep trial on north slope of Bishop Pass | 3506 | Comment | ||
POM203381 | Drymocallis pseudorupestris var. crumiana | F. W. Peirson | 1934-7-21 | 11272 | Inyo | Rock Creek Lake Basin. Recess or cirque on E slope, rocky talus slope far above the cirque floor | 3506 | Comment | ||
POM20538 | Trisetum spicatum | F. W. Peirson | 1919-8-5 | s.n. | Inyo | Center Basin. | 3506 | Comment | ||
RSA72119 | Epilobium obcordatum | F. W. Peirson | 1930-8-5 | 9088 | Inyo | Along stream course from Mono Pass and west of Ruby Lake; Rock Creek Lake Basin; Sierra Nevada. | 3506 | Comment | ||
RSA91000 | Erigeron petiolaris | F. W. Peirson | 1919-8-8 | 1294 | Tulare | Twin Lake Cirque, Mt. Whitney region, Sierra Nevada. | 3506 | Comment | ||
RSA91003 | Erigeron petiolaris | F. W. Peirson | 1921-8-11 | 2759 | Fresno | SW slope of Mt. Darwin, Evolution Lake region, Sierra Nevada | 3506 | Comment | ||
RSA90258 | Astragalus lentiginosus var. ineptus | F. W. Peirson | 1929-7-24 | 8544 | Inyo | along the summit area, Inconsolable Range. | 3581 | Comment | ||
RSA90428 | Oxytropis borealis var. viscida | F. W. Peirson | 1929-7-24 | 8547 | Inyo | Along summit ridge of Inconsolable Range | 3582 | Comment | ||
POM171910 | Poa glauca subsp. rupicola | F. W. Peirson | 1930-8-5 | 9105 | Inyo | Rock Creek Lake Basin; Trail to Mono Pass | 3598 | Comment | ||
RSA79845 | Penstemon davidsonii | F. W. Peirson | 1930-8-5 | 9100 | Inyo | Rock Creek Lake Basin, Trail to Mono Pass | 3598 | Comment | ||
CAS-BOT-BC34110 | Carex breweri | Frank W. Peirson | 1930-8-5 | 9095 | Inyo | Rock Creek Lake Basin. In gorge east of Mono Pass. | 3627 | Comment | ||
RSA90266 | Agrostis variabilis | F. W. Peirson | 1930-8-10 | 91970 | Inyo | In cirque at foot of Mt. Dade, Rock Creek Lake Basin, Sierra Nevada, extreme northern Inyo County. Alt. 11,900 ft. | 3628 | Comment | ||
SD87579 | Boechera lemmonii | Frank W. Peirson | 1934-7-27 | 11299 | Inyo | Rock Creek Lake Basin, Gorge below Mono Pass | 3630 | Comment | ||
JEPS20066 | Oxytropis borealis var. australis | Frank W. Peirson | 1929-7-24 | 8547 | Inyo | Inconsolable Range | 3657 | Comment | ||
RSA66131 | Draba densifolia | F. W. Peirson | 1922-7-24 | 8549 a | Inyo | Inconsolable Range | 3659 | Comment | ||
RSA93643 | Antennaria umbrinella | F. W. Peirson | 1937-8-9 | 12191 | Inyo | Above and to the north of Mono Pass (Rock Creek Lake Basin). | 3674 | 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 |
Copyright © 2019 Regents of the University of California — Updated 11 January 2019 |