Boraginaceae GH: 01957123 Amsinckia tessellata A. Gray USA: Arizona Western Pinal County.: Sandtank Pass, near V... D. D. Keck 3924 1936-3-4
GH: 02024790 Cryptantha nevadensis A. Nelson & P. B. Kennedy USA: Arizona Western Pinal Co.: Sandtank Pass, near Vekol... D. D. Keck 3925 1936-3-4
GH: 02024813 Cryptantha nevadensis A. Nelson & P. B. Kennedy USA: Arizona S. side of Cunningham Pass, Harcuvar Mts. D. D. Keck 4311 1936-3-24
GH: 02026770 Greeneocharis circumscissa (Hooker & Arnott) Rydberg USA: Arizona 2 1/2 mi. N. of summit of Cunningham Pass, n... D. D. Keck 4325 1936-3-24
GH: 01994175 Johnstonella angustifolia (Torrey) Hasenstab & M.G. Simpson USA: Arizona 4 mi. E. of Gila Bend on road to Casa Grande D. D. Keck 3912 1936-3-4
GH: 02061544 Pectocarya heterocarpa (I. M. Johnston) I. M. Johnston USA: Arizona 4 mi. E. of Gila Bend on road to Casa Grande D. D. Keck 3911 1936-3-4
GH: 02061738 Pectocarya platycarpa (Munz & I. M. Johnston) Munz & I. M. Johnston USA: Arizona Western Pinal Co.: Sandtank Pass, 33 mi. S.E... D. D. Keck 3919a 1936-3-4
GH: 02061715 Pectocarya platycarpa (Munz & I. M. Johnston) Munz & I. M. Johnston USA: Arizona 4 mi. E. of Gila Bend on road to Casa Grande D. D. Keck 3910 1936-3-4
GH: 02061845 Pectocarya recurvata I. M. Johnston USA: Arizona Western Pinal Co.: Sandtank Pass, near Vekol... D. D. Keck 3919 1936-3-4
GH: 02061838 Pectocarya recurvata I. M. Johnston USA: Arizona Santa Cataline Mtns., mouth of Pima Canyon D. D. Keck 3955 1936-3-6
Cactaceae GH: 00247469 Echinocereus engelmannii (Parry ex Engelmann) Lemaire Mexico: Sonora District of Altar, 3 mi. N.W. of Tajitos (25... D. D. Keck 4088 1936-3-11
GH: 01678241 Grusonia wrightiana E. M. Baxter Mexico: Sonora District of Altar. Sand flats of Rio Sonoyta... D. D. Keck 4191 1936-3-15
Fabaceae GH: 02128374 Lupinus sellulus lobbii (A. Gray ex S. Watson) B. J. Cox USA: California [data not captured] D. D. Keck 4460 1936-8-20
Poaceae GH: 00341135 Danthonia intermedia Vasey USA: California Mono Co.: Slate Creek Valley, east of Mt. Co... D. D. Keck 4489 1936-8-22
Rosaceae GH: 00345714 Ivesia muirii A. Gray USA: California above Big Horn Lake, on White Mountain, Slat... D. D. Keck 4369 1936-8-17
Solanaceae GH: 00813414 Lycium macrodon A. Gray Mexico: Sonora 22 mi. S. of Sonoyta on road to Rocky Point ... D. D. Keck 4156 1936-3-14
GH: 00815170 Nicotiana clevelandii A. Gray Mexico: Sonora Pitiquito, 2 mi. S.W. of town D. D. Keck 4012 1936-3-9