Asclepiadaceae GH: 01082725 Asclepias vestita Hooker & Arnott USA: California Yucca Grove, Antelope Valley H. L. Mason 8038 1934-3-30
Asteraceae GH: 00414901 Eriophyllum confertiflorum (de Candolle) A. Gray USA: California La Purrissima Ridge H. L. Mason 8044 1934-3-31
GH: 00427054 Eriophyllum lanatum arachnoideum (Fischer, C. A. Meyer & Avé-Lallemant) Jepson USA: California Jensen Ranch, at head of Dohrman Creek, four... H. L. Mason 8096 1934-4-28
GH: 01831086 Glyptopleura setulosa A. Gray USA: California [data not captured] H. L. Mason 8032 1934-3-30
GH: 00414153 Micropus amphibolus A. Gray USA: California Jensen's Ranch, head of Dohrman Creek, four ... H. L. Mason 8081 1934-4-28
Cupressaceae GH: 00357949 Cupressus goveniana pygmaea Lemmon USA: California White plains three miles east of Mendocino C... H. L. Mason 8147 1934-9-3
GH: 00356067 Cupressus macrocarpa Hartweg USA: California Point Lobos, Monterey County H. L. Mason 10023 1934-10-21
GH: 00357949 Cupressus pygmaea (Lemmon) Sargent USA: California White plains three miles east of Mendocino C... H. L. Mason 8147 1934-9-3
Ericaceae GH: 00362000 Arctostaphylos pechoensis viridissima Eastwood USA: California La Purrissima Ridge, north of Lompoc H. L. Mason 8055 1934-3-31
GH: 00363196 Vaccinium ovatum Pursh USA: California La Purrissima Ridge, east of Lompoc H. L. Mason 8054 1934-3-31
Fagaceae A: 00356882 Lithocarpus densiflorus echinoides (R. Brown) Abrams USA: California White plains, three miles east of Mendocino ... H. L. Mason 1934-9-3
A: 00356882 Notholithocarpus densiflorus (Hooker & Arnott) Manos, Cannon & S. H. Oh USA: California White plains, three miles east of Mendocino ... H. L. Mason 1934-9-3
Pinaceae A: 00357743 Pinus contorta Douglas ex Loudon USA: California Just north of the town of Point Arena, Mendo... H. L. Mason 8148 1934-9-3
GH: 00357768 Pinus contorta Douglas ex Loudon USA: California White plains three miles east of Mendocino C... H. L. Mason 8146 1934-9-3
Plantaginaceae GH: 02120210 Penstemon heterophyllus Lindley USA: California [data not captured] H. L. Mason 8071 1934-4-28
Polygonaceae GH: 01966410 Eriogonum roseum Durand & Hilgard USA: California [data not captured] H. L. Mason 1934-9-8
Rosaceae GH: 00345612 Horkelia bolanderi A. Gray USA: California between Kelseyville and Lower Lake H. L. Mason 8127 1934-5-5
