Aristolochiaceae GH: 01682389 Asarum lemmonii S. Watson USA: California [data not captured] H. M. Hall 11312 1921-6-26
Asteraceae GH: 00427348 Artemisia arbuscula Nuttall USA: California 24 mi. south of Alturas H. M. Hall 11762 1921-9-10
GH: 01003685 Artemisia arbuscula thermopola Beetle USA: Wyoming Yellowstone Park, Upper Geyser Basin H. M. Hall 11488 1921-8-19
GH: 00968434 Artemisia cana Pursh USA: California 14 mi. north of Bridgerport H. M. Hall 11690 1921-9-13
GH: 00968432 Artemisia cana Pursh USA: California Madeline Plains, eastern Lassen Co. H. M. Hall 11673 1921-9-10
GH: 00968514 Artemisia cana Pursh USA: Wyoming Yellowstone Lake H. M. Hall 11486 1921-8-18
GH: 00427463 Artemisia cana bolanderi (A. Gray) G. H. Ward USA: California Sand Flat, S. of Mono Lake H. M. Hall 11702 1921-9-15
GH: 00968569 Artemisia candicans Rydberg USA: Wyoming Cole Gulch. Teton Mts. H. M. Hall 11438 1921-8-15
GH: 00968566 Artemisia candicans Rydberg USA: Washington Spokane: along Spokane River H. M. Hall 11621b 1921-9-2
GH: 00968553 Artemisia candicans Rydberg USA: Washington Spokane: along Spokane R. H. M. Hall 11621a 1921-9-12
GH: 00968696 Artemisia douglasiana Besser USA: Idaho St. Joseph River below St. Maries H. M. Hall 11615 1921-9-1
GH: 00988444 Artemisia ludoviciana Nuttall USA: California Porcupine Flat district, Yosemite Park H. M. Hall 11722 1921-9-16
GH: 00988511 Artemisia ludoviciana Nuttall USA: Idaho Salmon: Lemhi Valley H. M. Hall 11556 1921-8-25
GH: 00988606 Artemisia ludoviciana Nuttall USA: Montana Sima H. M. Hall 11567 1921-8-26
GH: 00988602 Artemisia ludoviciana Nuttall USA: Montana Durant (W. of Butte) H. M. Hall 11580 B. 1921-8-27
GH: 00988601 Artemisia ludoviciana Nuttall USA: Montana Silver Bow (near Butte) H. M. Hall 11492 1921-8-21
GH: 00988593 Artemisia ludoviciana Nuttall USA: Montana Durant (W. of Butte) H. M. Hall 11579A 1921-8-27
GH: 00988679 Artemisia ludoviciana Nuttall USA: Oregon Moist rock of Columbia River at Hood P. H. M. Hall 11634 1921-9-4
GH: 00988938 Artemisia ludoviciana incompta (Nuttall) D. D. Keck USA: Oregon Columbia River at Biggs H. M. Hall 11638 1921-9-5
GH: 01236697 Artemisia senjavinensis Besser : Earth: [no data available] H. M. Hall 1921
GH: 01234933 Artemisia tripartita Rydberg USA: Montana Lima; 1 m. s. of town H. M. Hall 11659 1921-8-26
GH: 00417328 Chrysothamnus nauseosus albicaulis (Nuttall) H. M. Hall & Clements USA: California South side of Honey Lake Valley H. M. Hall 11681 1921-9-11
GH: 00417442 Chrysothamnus parryi asper (Greene) Hall & Clements USA: California Mono Mills H. M. Hall 11705 1921-9-15
GH: 02205363 Ericameria greenei (A. Gray) G. L. Nesom USA: Oregon [data not captured] H. M. Hall 11649 1921-9-8
GH: 02205490 Ericameria nauseosa (Pallas ex Pursh) G. L. Nesom & G. I. Baird USA: Montana [data not captured] H. M. Hall 11566 1921-8-26
GH: 00417328 Ericameria nauseosa speciosa (Nuttall) G. L. Nesom & G. I. Baird USA: California South side of Honey Lake Valley H. M. Hall 11681 1921-9-11
GH: 02207154 Ericameria parryi nevadensis (A. Gray) G. L. Nesom & G. I. Baird USA: Nevada [data not captured] H. M. Hall 11684 1921-9-11
GH: 00417442 Ericameria parryi aspera (Greene) G. L. Nesom & G. I. Baird USA: California Mono Mills H. M. Hall 11705 1921-9-15
GH: 02207173 Ericameria suffruticosa (Nuttall) G. L. Nesom USA: Idaho [data not captured] H. M. Hall 11512 1921-8-23
GH: 02207209 Ericameria suffruticosa (Nuttall) G. L. Nesom USA: Wyoming Taylor Peak Teton Mts. H. M. Hall 11453 1921-8-15
GH: 02348211 Erigeron eximius Greene USA: Colorado Jack Brook Pikes Peak H. M. Hall 11427 1921-8-10
GH: 00427120 Eriophyllum lanatum (Pursh) C. N. Forbes USA: California Sly Park H. M. Hall 11292 1921-6-22
GH: 00008689 Haplopappus occidentalis H. M. Hall USA: California Summit, Parkfield Grade, Inner South Coast R... H. M. Hall 11769 1921-10-13
GH: 00008702 Haplopappus squarrosus stenolepis H. M. Hall USA: California Inner South Coast Ranges: Parkfield grade, 1... H. M. Hall 11767 1921-10-13
Boraginaceae GH: 00094043 Amsinckia rugosissima Suksdorf USA: California Sierra Nevada foot hills H. M. Hall 11256 1921-4-13
GH: 02027632 Hackelia micrantha (Eastwood) J. L. Gentry USA: Wyoming Teton Pass H. M. Hall 11463 1921-8-16
GH: 02027685 Hackelia patens (Nuttall) I. M. Johnston USA: Idaho Along embankment at near Gilmore H. M. Hall 11547 1921-8-23
GH: 01997232 Lithospermum ruderale Douglas ex Lehmann USA: Wyoming Coal Creek. Tenton [?] Mts. H. M. Hall 11461 1921-8-15
GH: 01997845 Mertensia ciliata (James) G. Don USA: Wyoming Coal Cr. Teton Mts. H. M. Hall 11447 1921-8-15
GH: 00420131 Plagiobothrys scouleri penicillatus (Greene) Cronquist USA: California Sly park H. M. Hall 11314 1921-6-26
GH: 00420145 Plagiobothrys scouleri penicillatus (Greene) Cronquist USA: California Donner Lake H. M. Hall 11393 1921-6-30
Chenopodiaceae GH: 02004927 Atriplex asterocarpa Stutz, G. L. Chu & S. C. Sanderson USA: California [data not captured] H. M. Hall 11760 1921-10-12
GH: 00295483 Atriplex cordulata erecticaulis (Stutz, G. L. Chu & S. C. Sanderson) S. L. Welsh USA: California Earlimart H. M. Hall 11786 1921-10-15
GH: 02003793 Atriplex falcata Standley USA: Montana [data not captured] H. M. Hall 11503 1921-8-22
GH: 02003792 Atriplex falcata Standley USA: Montana [data not captured] H. M. Hall 11561 1921-8-25
A: 00376421 Atriplex lentiformis (Torrey) S. Watson USA: California 8.1 mi. south of Bakersfield H. M. Hall 11784 1921-10-15
GH: 00257694 Atriplex minuscula Standley USA: California Chowchilla H. M. Hall 11759 1921-10-11
GH: 00257694 Atriplex parishii S. Watson USA: California Chowchilla H. M. Hall 11759 1921-10-11
GH: 00257694 Atriplex parishii persistens (Stutz & G. L. Chu) S. L. Welsh USA: California Chowchilla H. M. Hall 11759 1921-10-11
GH: 01826373 Atriplex patula Linnaeus USA: Montana [data not captured] H. M. Hall 11572 1921-8-27
GH: 00376466 Atriplex polycarpa (Torrey) S. Watson USA: California Between Mendota and Coalinga H. M. Hall 11763 1921-10-12
GH: 00376467 Atriplex polycarpa (Torrey) S. Watson USA: California Fallow filed about 2 mi. S of Shafter, Weste... H. M. Hall 11778 1921-10-14
GH: 01826507 Atriplex prostrata Boucher ex de Candolle USA: Idaho [data not captured] H. M. Hall 11508 1921-8-22
GH: 01781010 Atriplex truncata (Torrey ex S. Watson) A. Gray USA: Montana [data not captured] H. M. Hall 11562 1921-8-25
GH: 01785297 Stutzia covillei (J. F. Macbride) E. H. Zacharias USA: Nevada [data not captured] H. M. Hall 11683 1921-9-11
Orobanchaceae GH: 02081711 Orthocarpus tolmiei Hooker & Arnott USA: Wyoming Coal Cr. Teton Range H. M. Hall 11442 1921-8-15
Plantaginaceae GH: 01999225 Collinsia sp. USA: California [data not captured] H. M. Hall 11248 1921-4-13
GH: 02120602 Penstemon laetus A. Gray USA: California [data not captured] H. M. Hall 11374 1921-6-28
GH: 02120601 Penstemon laetus A. Gray USA: California [data not captured] H. M. Hall 11375 1921-6-28
Poaceae GH: 00361640 Nassella pulchra (Hitchcock) Barkworth USA: California Near Whiterock H. M. Hall 11258 1921-4-13
GH: 00361640 Stipa pulchra Hitchcock USA: California Near Whiterock H. M. Hall 11258 1921-4-13
Saxifragaceae GH: 00363350 Bolandra californica A. Gray USA: California So. bank American River H. M. Hall 11390 1921-6-28
GH: 00363699 Boykinia elata (Nuttall) Greene USA: California Sly Park H. M. Hall 11300 1921-6-25
GH: 00363699 Boykinia occidentalis Torrey & A. Gray USA: California Sly Park H. M. Hall 11300 1921-6-25
Solanaceae GH: 00244829 Solanum umbelliferum Eschscholtz USA: California Below Placerville - Sierra foothills H. M. Hall 11243 1921-4-13
GH: 00244829 Solanum xanti A. Gray USA: California Below Placerville - Sierra foothills H. M. Hall 11243 1921-4-13