Apocynaceae GH: 02179273 Apocynum androsaemifolium Linnaeus USA: California Hetch Hetchy tracks west of Mather H. L. Mason 643 1923-7-23
Asteraceae GH: 01831784 Hieracium gracile detonsum (A. Gray) A. Gray USA: California [data not captured] H. L. Mason 707 1923-8-3
Crassulaceae GH: 01987474 Dudleya lanceolata (Nuttall) Britton & Rose USA: California Harris Grade H. L. Mason 384 1923-6-15
Ericaceae GH: 00350477 Arctostaphylos hookeri G. Don USA: California Del Monte H. L. Mason 570 1923-6-23
GH: 00362739 Kalmia microphylla (Hooker) A. Heller USA: California Along headwaters of Unicorn Creek H. L. Mason 698 1923-8-2
GH: 00362740 Kalmia microphylla (Hooker) A. Heller USA: California Tioga Mines H. L. Mason 4874 1923-7-5
Fabaceae GH: 01963278 Acmispon cytisoides (Bentham) Brouillet USA: California Point Lobos H. L. Mason 558 1923-6-23
GH: 01967045 Acmispon strigosus (Nuttall) Brouillet USA: California Yosemite National Park. Salt Log Meadow H. L. Mason 602 1923-7-15
GH: 00366457 Lathyrus jepsonii Greene USA: California Along slough near railroad; Suisun Marsh H. L. Mason 772 1923-10-6
Gentianaceae GH: 00400140 Centaurium tricanthum (Grisebach) B. L. Robinson USA: California Salt Log Meadow H. L. Mason 601 1923-7-15
GH: 00400045 Gentianella detonsa holopetala (A. Gray) J. M. Gillett USA: California Yosemite National Park: North base of Puppy ... H. L. Mason 750 1923-8-21
GH: 00400045 Gentianopsis holopetala (A. Gray) Iltis USA: California Yosemite National Park: North base of Puppy ... H. L. Mason 750 1923-8-21
GH: 00400140 Zeltnera trichantha (Grisebach) G. Mansion USA: California Salt Log Meadow H. L. Mason 601 1923-7-15
Lamiaceae GH: 00400855 Prunella vulgaris lanceolata (W. P. C. Barton) Piper & Beattie USA: California Hog Ranch H. L. Mason 614 1923-7-16
GH: 00400855 Prunella vulgaris lanceolata (W. P. C. Barton) Fernald USA: California Hog Ranch H. L. Mason 614 1923-7-16
Onagraceae GH: 01674505 Circaea alpina pacifica (Ascherson & Magnus) P. H. Raven USA: California Hetch Hetchy H. L. Mason 623 1923-7-21
Plantaginaceae GH: 02120609 Penstemon laetus A. Gray USA: California [data not captured] H. L. Mason 599 1923-7-14
Polygalaceae GH: 00347791 Polygala cornuta fishiae (Parry) Jepson USA: California Camp Comfort, San Antonio Canyon, Ojai H. L. Mason 524 1923-6-20
Polygonaceae GH: 01717537 Chorizanthe diffusa Bentham USA: California Harris Grade, on La Purisima Ridge, between ... H. L. Mason 397 1923-6-15
GH: 00369854 Chorizanthe douglasii Bentham USA: California Carmel River, ten miles above Carmel H. L. Mason 542 1923-6-23
GH: 00369901 Chorizanthe pungens Bentham USA: California Del Monte H. L. Mason 565 1923-6-23
GH: 00364424 Eriogonum parvifolium Smith USA: California Harris Grade, between Harris and Lompoc, La ... H. L. Mason 394 1923-6-15
GH: 00364715 Mucronea californica Bentham USA: California Carmel River, ten miles above Carmel H. L. Mason 544 1923-6-23
Pucciniaceae FH: 00782521 Puccinia melanconioides Ellis & Harkness USA: California Hog Ranch H. L. Mason 2141 H.E.P. 1923-7-20
FH: 00782522 Puccinia melanconioides Ellis & Harkness USA: California Hog Ranch H. L. Mason 1923-7-20
FH: 01125063 Uromyces bicolor Ellis USA: California [no additional data] H. L. Mason 1923-8-21
FH: 01122325 Uromyces proeminens (de Candolle) Léveillé USA: California Mather H. L. Mason 1923-7-14
Rosaceae GH: 00345719 Ivesia muirii A. Gray USA: California Johnson's Peak, near headwaters of Unicorn C... H. L. Mason 700 1923-8-2
GH: 00346970 Oemleria cerasiformis (Torrey & A. Gray) J. W. Landon USA: California Summit Cuesta Grade H. L. Mason 533 1923-6-22
GH: 00346970 Osmaronia cerasiformis (Torrey & A. Gray ex Hooker & Arnott) Greene USA: California Summit Cuesta Grade H. L. Mason 533 1923-6-22
GH: 00345738 Potentilla diversifolia Lehmann USA: California North base of Puppy Dome H. L. Mason 752 1923-8-21
Saxifragaceae GH: 00363796 Lithophragma bolanderi A. Gray USA: California Mather H. L. Mason 580 1923-7-12
GH: 00381094 Saxifraga bryophora A. Gray USA: California Elizebeth Lake H. L. Mason 690 1923-8-2
Styracaceae GH: 00384820 Styrax redivivus (Torrey) L. C. Wheeler USA: California La Combre Peak, Santa Barbara, by way of Rat... H. L. Mason 456 1923-6-16