Asteraceae GH: 00427535 Artemisia tridentata parishii (A. Gray) H. M. Hall & Clements USA: California 3 miles S.W. of Newhall J. T. Howell 27484 1950-11-9
GH: 02351207 Erigeron pygmaeus Greene USA: California [data not captured] J. T. Howell 1950-7-22
GH: 00414831 Eriophyllum confertiflorum (de Candolle) A. Gray USA: California Throckmorton Ridge, Mt. Tamalpais J. T. Howell 26628 1950-6-11
Boraginaceae GH: 00424861 Cryptantha glomeriflora Greene USA: California Monache Creek, South Fork J. T. Howell 27301 1950-7-24
GH: 00420157 Plagiobothrys scouleri penicillatus (Greene) Cronquist USA: California Bakeoven Meadows, South Fork of Kern River J. T. Howell 26822 1950-7-14
GH: 00403945 Plagiobothrys torreyi diffusus I. M. Johnston USA: California Bakeoven Meadows, South Fork of Kern River J. T. Howell 26795 1950-7-13
Brassicaceae GH: 00378850 Arabis repanda greenei Jepson USA: California Timberline, Olancha Peak J. T. Howell 27199 1950-7-22
GH: 00932888 Boechera inyoensis (Rollins) Al-Shehbaz USA: California Pass north of Hessian Meadows J. T. Howell 27116 1950-7-19
GH: 00378850 Boechera repanda (S. Watson) Al-Shehbaz USA: California Timberline, Olancha Peak J. T. Howell 27199 1950-7-22
GH: 00944675 Brassica oleracea Linnaeus USA: California near Tamalpais High School, Mill Valley J. T. Howell 1950-5-4
Caryophyllaceae GH: 00376655 Silene aperta Greene USA: California Trail from Bakeoven to Templeton Meadows J. T. Howell 27003 1950-7-17
Chenopodiaceae GH: 01783974 Salsola tragus Linnaeus USA: California [data not captured] J. T. Howell 26640 1950-7-11
Fagaceae GH: 00356954 Quercus agrifolia Née USA: California Nortonville J. T. Howell 26638 1950-7-5
Funariaceae FH: 00780352 Funaria microstoma Bruch ex Schimper USA: California [data not captured] J. T. Howell 1950-7-15
Gentianaceae GH: 00384943 Frasera tubulosa Coville USA: California Monache Mt. J. T. Howell 27155 1950-7-21
Malvaceae GH: 00420549 Malacothamnus fasciculatus (Nuttall ex Torrey & A. Gray) Greene USA: California 12 mi. n. of Castac [Castaic] J. T. Howell 27485 1950-11-9
GH: 00420549 Malacothamnus marrubioides (Durand & Hilgard) Greene USA: California 12 mi. n. of Castac [Castaic] J. T. Howell 27485 1950-11-9
GH: 02198103 Sphaeralcea parvifolia A. Nelson USA: Arizona Havasu Canyon, Grand Canyon National Park J. T. Howell 26475 1950-5-23
GH: 02198167 Sphaeralcea rusbyi A. Gray USA: Arizona Havasu Canyon, Grand Canyon National Park J. T. Howell 26474 1950-5-23
Orobanchaceae GH: 00365630 Cordylanthus eremicus kernensis T. I. Chuang & Heckard USA: California Olancha Peak J. T. Howell 27169 1950-7-22
Polygonaceae GH: 00364691 Eriogonum wrightii subscaposum S. Watson USA: California Timberline, Olancha Peak J. T. Howell 27205 1950-7-22
Violaceae GH: 00381899 Viola pinetorum grisea (Jepson) R. J. Little USA: California Summit meadow to Monache Meadows J. T. Howell 26755 1950-7-12
