Agavaceae GH: 00357659 Yucca mohavensis Sargent USA: California Lave hills, 10 miles south of Needles, Calif... A. Nelson & R. E. Nelson 3374 1939-4-1
GH: 00357659 Yucca schidigera Roemer USA: California Lave hills, 10 miles south of Needles, Calif... A. Nelson & R. E. Nelson 3374 1939-4-1
Asteraceae GH: 00414280 Ambrosia monogyra (Torrey & A. Gray ex A. Gray) Stother & B. G. Baldwin USA: California Near Shoshone A. Nelson & R. E. Nelson 3390 1939-4-2
GH: 00414345 Ambrosia salsola pentalepis (Rydberg) Stother & B. G. Baldwin USA: California Palm Springs A. Nelson & R. E. Nelson 3220 1939-3-22
GH: 00414444 Encelia farinosa A. Gray ex Torrey USA: California In Titus Canyon, north end of Death Valley A. Nelson & R. E. Nelson 3410 1939-4-4
GH: 00414483 Encelia frutescens (A. Gray) A. Gray USA: California Near Fish Springs on Salton Sea A. Nelson & R. E. Nelson 3290 1939-3-27
GH: 00414345 Hymenoclea hemidioica A. Nelson USA: California Palm Springs A. Nelson & R. E. Nelson 3220 1939-3-22
GH: 00414280 Hymenoclea monogyra Torrey & A. Gray ex A. Gray USA: California Near Shoshone A. Nelson & R. E. Nelson 3390 1939-4-2
Balsaminaceae GH: 00273336 Impatiens noli-tangere Linnaeus USA: Alaska About the hotel and on the river bank, Curry... A. Nelson & R. E. Nelson 4163 1939-8-17
GH: 00273336 Impatiens occidentalis Rydberg USA: Alaska About the hotel and on the river bank, Curry... A. Nelson & R. E. Nelson 4163 1939-8-17
Chenopodiaceae GH: 00376324 Atriplex confertifolia (Torrey & Fremont) Watson USA: California near Shoshone A. Nelson & R. E. Nelson 3391 1939-4-2
Lamiaceae GH: 00403221 Salvia apiana Jepson USA: California Roadsides, at the foot of Banner Grade, high... A. Nelson & R. E. Nelson 3283 1939-3-27
GH: 00403362 Salvia funerea M. E. Jones USA: California In Titus canyon, north end of Death Valley A. Nelson & R. E. Nelson 3398 1939-4-4
Onagraceae GH: 01675915 Chamerion latifolium (Linnaeus) Holub USA: Alaska Polychrome Pass. A. Nelson & R. E. Nelson 3798 1939-7-14
Polytrichaceae FH: 00850942 Pogonatum urnigerum (Hedwig) P. Beauvois USA: Alaska [data not captured] A. Nelson & R. E. Nelson 4168 1939-8-17
FH: 00918726 Polytrichum juniperinum Hedwig USA: Alaska [data not captured] A. Nelson & R. E. Nelson 4191 1939-8-18
Ranunculaceae GH: 01720486 Aconitum delphinifolium de Candolle USA: Alaska Rock slides near Summit back of Camp Eilson ... A. Nelson & R. E. Nelson 4112 1939-8-11
GH: 01720486 Aconitum nivatum A. Nelson USA: Alaska Rock slides near Summit back of Camp Eilson ... A. Nelson & R. E. Nelson 4112 1939-8-11