Anacardiaceae A: 00347018 Pistacia atlantica Desfontaines USA: California Los Angeles: near Westcott's Place E. Walther 1927-8-26
Apocynaceae A: 02178946 Carissa spinarum Linnaeus USA: California Los Angeles: Near Westcott place E. Walther 379 1927-8-26
A: 02178943 Carissa spinarum Linnaeus USA: California Gould's place; Montecita. E. Walther 284 1927-8-21
Asteraceae GH: 01924860 Ageratina occidentalis (Hooker) R. M. King & H. Robinson USA: California San Francisco: Nursery Golden Gate Park E. Walther 1932-7-30
A: 01924833 Ageratina riparia (Regel) R. M. King & H. Robinson USA: California San Francisco: Golden Gate Park E. Walther 1920-10
A: 02172029 Arctotis gumbletonii Hooker f. USA: California [data not captured] E. Walther 898 1929-11
A: 00386890 Baccharis salicifolia (Ruiz & Pavon) Persoon USA: California Huntington Botanic Garden E. Walther 154 1929-10
A: 00386890 Baccharis viminea de Candolle USA: California Huntington Botanic Garden E. Walther 154 1929-10
Berberidaceae A: 00376798 Mahonia nevinii (A. Gray) Fedde USA: California R. Menzies' place, San Rafael E. Walther 60 1927-7-24
Boraginaceae GH: 01956753 Amsinckia menziesii A. Nelson & J. F. Macbride USA: California Claremont: Santa Ana Botanic Garden E. Walther 18912 1939-4-16
Bromeliaceae A: 02015441 Puya coerulea intermedia (L. B. Smith & G. Looser) L. B. Smith & G. Looser USA: California Harti Place, Sierra Madre E. Walther 1931-10-19
A: 02015441 Puya violacea intermedia L. B. Smith & Lasser USA: California Harti Place, Sierra Madre E. Walther 1931-10-19
Caesalpiniaceae A: 01873702 Caesalpinia gilliesii (Hooker) D. Dietrich USA: California Pasadena: Hart's place. Sierra Madre E. Walther 425 1927-8-29
A: 01676726 Cercis siliquastrum Linnaeus USA: California San Francisco: Golden Gate Park E. Walther
Calycanthaceae A: 00376876 Calycanthus occidentalis Hooker & Arnott USA: California Berkeley: A. Blake's place E. Walther 90 1927-7-30
Cornaceae A: 00385499 Cornus stolonifera Michaux USA: California San Marino: Huntington Botanic Garden E. Walther 1929-10
A: 00385520 Cornus stolonifera Michaux USA: California San Francisco: Laveaga Dell, Golden Gate Par... E. Walther 1920-7
Cupressaceae GH: 02020196 Chamaecyparis thyoides (Linnaeus) Britton, Stearn & Poggenburg USA: California San Francisco: Golden Gate Park E. Walther 1920-12
A: 00404677 Cupressus arizonica glabra (Sudworth) Little USA: California San Francisco: Mountain Lake Park E. Walther 1928-9
A: 00356709 Cupressus benthamii Endlicher USA: California Bard place, [Port] Hueneme E. Walther 298 1927-8-21
GH: 00357912 Cupressus goveniana Gordon USA: California Monterey: Monterey E. Walther 1919-9-20
GH: 00356454 Cupressus goveniana Gordon USA: California Monterey: Monterey E. Walther 1919-9-20
A: 00356709 Cupressus lusitanica Miller USA: California Bard place, [Port] Hueneme E. Walther 298 1927-8-21
A: 00356158 Cupressus sargentii Jepson USA: California P. E. Bowles' place, Piedmont E. Walther 1919-9
Elaeagnaceae A: 00347473 Elaeagnus latifolia Linnaeus USA: California Pasadena: Hart's Place, Sierra Madre E. Walther 429 1927-8-29
Ericaceae A: 01763349 Rhododendron edgeworthii Hooker f. USA: California San Francisco: [data not captured] E. Walther 1929-4
A: 00363237 Vaccinium ovatum Pursh USA: California Woodside E. Walther 1919-8
Euphorbiaceae A: 00347473 Croton sp. USA: California Pasadena: Hart's Place, Sierra Madre E. Walther 429 1927-8-29
Fagaceae A: 00356913 Quercus agrifolia Née USA: California San Francisco: Strawberry Hill, Golden Gate ... E. Walther 1923-10
A: 00356917 Quercus agrifolia Née USA: California San Francisco: Strawberry Hill, Golden Gate ... E. Walther 1923
Juncaceae GH: 00364938 Juncus sp. USA: California Mt. Tamalpais E. Walther 1919-6-15
Lamiaceae GH: 00400264 Lepechinia calycina (Bentham) Epling USA: California San Francisco: The Arboretum, Golden Gate Pa... E. Walther 1942-6-25
GH: 00400712 Monardella villosa Bentham USA: California Woodside E. Walther 1919-6-9
Lauraceae A: 00381258 Machilus nanmu Hemsley USA: California Pasadena: Hart's place, Sierra Madre E. Walther 413 1927-8-29
Mimosaceae GH: 01680851 Acacia koa A. Gray USA: California University of California E. Walther 1919-12
Myrtaceae A: 00343785 Eucalyptus citriodora Hooker USA: California Berkeley E. Walther 1920-11-25
A: 00343811 Eucalyptus polyanthemos Schauer USA: California San Francisco: Golden Gate Park E. Walther 1922-9
A: 00343823 Eucalyptus pulverulenta Sims USA: California San Diego: Balboa Park E. Walther 513 1927-9-2
A: 00343830 Eucalyptus sideroxylon A. Cunningham ex Woolls USA: California Pasadena: Nr. Saunder's tree E. Walther 1926-6
A: 00343887 Eucalyptus tereticornis Smith USA: California Huntington Botanic Garden E. Walther 55 1929-10
A: 00343885 Eucalyptus viminalis Labillardiere USA: California San Francisco: Golden Gate Park E. Walther 1929-3
Pinaceae A: 00571125 Pinus cembroides Zuccarini USA: California San Diego: Balboa Park E. Walther 527 1927-9-3
Plantaginaceae GH: 02000863 Linaria triornithophora (Linnaeus) Willdenow USA: California San Francisco: [data not captured] E. Walther 1933
A: 01804392 Russelia juncea Zuccarini USA: California Santa Barbara: [data not captured] E. Walther 1919-9
Poaceae A: 00365358 Phyllostachys aurea Carrière ex Rivière & C. Rivière USA: California San Rafael E. Walther 1921-5
A: 00365359 Phyllostachys aurea Carrière ex Rivière & C. Rivière USA: California San Rafael E. Walther 1921-3
Rosaceae A: 00366068 Cotoneaster sp. USA: California Santa Barbara: Hillside Park E. Walther 212 1927-8-18
A: 00366070 Cotoneaster sp. USA: California San Marino: Huntington Botanic Garden E. Walther 210 1929-10
A: 00366071 Cotoneaster sp. USA: California San Marino: Huntington Botanic Garden E. Walther 210 1929-10
A: 00354935 Holodiscus discolor (Pursh) Maximowicz USA: California Woodside E. Walther 1919-6-19
A: 00346931 Nuttallia cerasiformis Torrey & A. Gray USA: California Woodside E. Walther 1919-6-9
A: 00346931 Osmaronia cerasiformis (Torrey & A. Gray ex Hooker & Arnott) Greene USA: California Woodside E. Walther 1919-6-9
Rubiaceae A: 02455337 Pavetta lanceolata Ecklon USA: California Santa Monica: Evan's place E. Walther 332 1927-8-25
Salicaceae A: 00382117 Populus balsamifera trichocarpa (Torrey & A. Gray) Brayshaw USA: California Woodside E. Walther 1919-2-23
A: 00382117 Populus sp. USA: California Woodside E. Walther 1919-2-23
A: 00383677 Salix lasiolepis Bentham USA: California Woodside E. Walther 1919-2-23
Saxifragaceae A: 00380995 Ribes victoris Greene USA: California Woodside E. Walther 1919-2-23
A: 00380996 Ribes victoris Greene USA: California Woodside E. Walther 1919-8
Solanaceae A: 01145381 Brugmansia sanguinea D. Don USA: California H. Evans' place, Santa Monica E. Walther 542 1927-9-9
