Asteraceae GH: 00427089 Eriophyllum jepsonii Greene USA: California Patterson Road, twenty miles from mouth of A... H. L. Mason 10008 1935-5-8
GH: 00427091 Eriophyllum jepsonii Greene USA: California Patterson Road, twenty miles from mouth of A... H. L. Mason 10008 1935-5-8
GH: 01835610 Malacothrix floccifera (de Candolle) S. F. Blake USA: California [data not captured] H. L. Mason 8312 1935-5-9
GH: 00010526 Monolopia stricta Crum USA: California Two miles west of Lost Hills H. L. Mason 9314 1935-5-2
GH: 00348375 Stylocline masonii Morefield USA: California west of Bakersfield H. L. Mason 8241 1935-3-30
GH: 00348375 Stylocline micropoides A. Gray USA: California west of Bakersfield H. L. Mason 8241 1935-3-30
Bombacaceae GH: 00422602 Fremontodendron californicum (Torrey) Coville USA: California Four miles North of Knoxville Mines H. L. Mason 10009 1935-5-30
A: 00422632 Fremontodendron californicum (Torrey) Coville USA: California Four miles north of Knoxville Mines H. L. Mason 10009 1935-5-30
Brassicaceae GH: 01540361 Guillenia flavescens (Hooker) Greene USA: California [data not captured] H. L. Mason 10005 1935-3-24
GH: 00379858 Stanfordia californica S. Watson USA: California One mile east of Lost Hills, northwest Kern ... H. L. Mason 10001 1935-5-2
Campanulaceae GH: 00420320 Campanula exigua Rattan USA: California Red Mountains, Arroyo del Puerto, Mount Hami... H. L. Mason 8310 1935-5-9
Cleomaceae GH: 00378528 Cleomella obtusifolia Torrey & Fremont USA: California West side of Searle Lake, Mojave Desert H. L. Mason 8234 1935-3-29
Cornaceae A: 00385467 Cornus sessilis Torrey USA: California South fork of the Mokelumne River, about thr... H. L. Mason 10984 1935-3-14
GH: 00385477 Cornus sessilis Torrey USA: California South fork of the Mokelumne River, about thr... H. L. Mason 10984 1935-3-14
Papaveraceae GH: 00295008 Hesperomecon linearis (Benthem) Greene USA: California Carmel Canyon H. L. Mason 8268 1935-4-21
GH: 00257640 Meconella denticulata Greene USA: California Carmel Canyon H. L. Mason 8269 1935-4-21
GH: 00295008 Meconella linearis (Bentham) A. Nelson & J. F. Macbride USA: California Carmel Canyon H. L. Mason 8268 1935-4-21
GH: 00257640 Meconella oregana denticulata (Greene) Jepson USA: California Carmel Canyon H. L. Mason 8269 1935-4-21
Plantaginaceae GH: 01998324 Collinsia callosa Parish USA: California [data not captured] H. L. Mason 10002 1935-4-29
Polemoniaceae GH: 00385242 Leptosiphon pygmaeus (Brand) J. M. Porter & L. A. Johnson USA: California southwest facing slopes of Mount Hamilton, M... H. L. Mason 8300 1935-5-4
GH: 00385242 Linanthus pygmaeus (Brand) J. T. Howell USA: California southwest facing slopes of Mount Hamilton, M... H. L. Mason 8300 1935-5-4
GH: 00385256 Navarretia cotulifolia (Bentham) Hooker & Arnott USA: California North of Aetna Springs near Napa-Lake county... H. L. Mason 7223 1935-4-30
Portulacaceae GH: 00376994 Calyptridium quadripetalum S. Watson USA: California Four miles north of Knoxville on the Montice... H. L. Mason 10010 1935-5-30
GH: 00376994 Cistanthe quadripetala (S. Watson) Hershkovitz USA: California Four miles north of Knoxville on the Montice... H. L. Mason 10010 1935-5-30
GH: 00376969 Claytonia megarhiza (A. Gray) Parry ex S. Watson USA: California Bernice Lake, Yosemite National Park H. L. Mason 9450 1935-7-29
Rosaceae GH: 01568565 Potentilla hyparctica Malte USA: Alaska Nome Census Area: S. Lawrence Island, Bering... H. L. Mason 1935-7-10
GH: 01568591 Potentilla hyparctica Malte USA: Alaska Nome Census Area: S. Lawrence Island, Bering... H. L. Mason 1935-7-10
GH: 00346473 Prunus fasciculata (Torrey) A. Gray USA: California Ridge south of Isabella H. L. Mason 10,007 1935-5-1
GH: 00346491 Prunus fasciculata (Torrey) A. Gray USA: California Ridge south of Isabella H. L. Mason 10,007 1935-5-1
Rutaceae GH: 00347985 Thamnosma montana Torrey & Fremont USA: California Three miles south of Barstow, Mojave Desert H. L. Mason 8173 1935-3-28