Asteraceae GH: 00414712 Wyethia elata H. M. Hall USA: California four miles south of Miami Ranger Station H. L. Mason 11952 1938-7-16
Brassicaceae GH: 00422129 Streptanthus glandulosus Hooker USA: California Bartlett Mountain, 4 miles from Lucerne H. L. Mason 11747 1938-5-1
GH: 00422200 Streptanthus hispidus A. Gray USA: California trail between Juniper Camp and Deer Flat, Mo... H. L. Mason 11751 1938-5-3
Ceratophyllaceae GH: 02073217 Ceratophyllum demersum Linnaeus USA: California [data not captured] H. L. Mason 11851 1938-6-12
Crassulaceae GH: 01991244 Sedella congonii (Eastwood) Britton & Rose USA: California near Auckland Ranch on General Grant Nationa... H. L. Mason 11820 1938-5-10
GH: 01991246 Sedella congonii (Eastwood) Britton & Rose USA: California Rocky Hill, east of Exeter H. L. Mason 11703 1938-4-14
Cyperaceae GH: 00424010 Bulbostylis capillaris (Linnaeus) Kunth ex C. B. Clarke USA: California base of El Capitan, Yosemite Valley H. L. Mason 11946 1938-7-13
GH: 00424012 Bulbostylis capillaris (Linnaeus) Kunth ex C. B. Clarke USA: California Dry ridge between Swamp Lake and Miguel Mead... H. L. Mason 11858 1938-7-6
GH: 00424013 Bulbostylis capillaris (Linnaeus) Kunth ex C. B. Clarke USA: California Miguel Meadow, west of Hetch Hetchy H. L. Mason 11934 1938-7-11
GH: 00424129 Carex buxbaumii Wahlenberg USA: California South island in Swamp Lake, west of Hetch He... H. L. Mason 11942 1938-7-11
GH: 00424130 Carex buxbaumii Wahlenberg USA: California South island in Swamp Lake, west of Hetch He... H. L. Mason 11915 1938-7-10
GH: 00424010 Carex capillaris Linnaeus USA: California base of El Capitan, Yosemite Valley H. L. Mason 11946 1938-7-13
GH: 00424071 Carex congdonii L. H. Bailey USA: California Macomb Ridge east of Tilden Lake H. L. Mason 12046 1938-7-28
GH: 02395557 Carex cusickii Mackenzie ex Piper & Beattie USA: California [data not captured] H. L. Mason 11923 1938-7-10
GH: 02391692 Carex echinata Murray USA: California [data not captured] H. L. Mason 11922 1938-7-10
GH: 00424084 Carex limosa Linnaeus USA: California South island in Swamp Lake, west of Hetch He... H. L. Mason 11906 1938-7-10
GH: 01775236 Carex vesicaria Linnaeus USA: California [data not captured] H. L. Mason 11889 1938-7-9
GH: 00424386 Eriophorum gracile W. D. J. Koch ex Roth USA: California South island in Swamp Lake, west of Hetch He... H. L. Mason 11913 1938-7-10
Ericaceae GH: 00350294 Arctostaphylos glandulosa Eastwood USA: California vicinity of summit of Figueroa Mountain H. L. Mason 11803 1938-5-8
GH: 00362001 Arctostaphylos pechoensis viridissima Eastwood USA: California Burton Mesa H. L. Mason 11776 1938-5-7
GH: 00362002 Arctostaphylos pechoensis viridissima Eastwood USA: California Burton Mesa H. L. Mason 11776 1938-5-7
A: 00362003 Arctostaphylos pechoensis viridissima Eastwood USA: California vicinity of the summit of Figueroa Mountain H. L. Mason 11803 1938-5-8
GH: 00350432 Arctostaphylos sp. USA: California Burton Mesa, northwest of Lompoc H. L. Mason 11770 1938-5-7
A: 00362728 Kalmia microphylla (Hooker) A. Heller USA: California Sierra Nevada, Swamp Lake, Yosemite National... H. L. Mason 11852 1938-7-6
Fabaceae GH: 02343611 Trifolium microcephalum Pursh USA: California [data not captured] H. L. Mason 11973 1938-7-22
Hydrophyllaceae GH: 00401012 Phacelia phacelioides (Bentham) Brand USA: California Trail between Juniper Camp and Deer Flat, Mo... H. L. Mason 11749 1938-5-3
Iridaceae GH: 00257750 Iris munzii R. C. Foster USA: California North Fork of the Tule River, one mile below... H. L. Mason 11810 1938-5-9
Polemoniaceae GH: 00385113 Gilia capitata chamissonis (Greene) V. E. Grant USA: California Point Reyes Peninsula, 12.5 miles from Inver... H. L. Mason 11840 1938-5-18
