Anacardiaceae GH: 01868302 Rhus trilobata Nuttall USA: Texas between Study Butte and Burnham's Ranch, Big... A. Nelson & R. A. Nelson 5079 1942-4-3
GH: 01868308 Rhus trilobata Nuttall USA: Texas about "the Basin", Chisos Mts., Big Bend Nat... A. Nelson & R. A. Nelson 5063 1942-4-3
GH: 01868309 Rhus trilobata Nuttall USA: Texas about "the Basin", Chisos Mts., Big Bend Nat... A. Nelson & R. A. Nelson 5063a 1942-4-3
GH: 01868709 Rhus virens Lindheimer ex A. Gray USA: Texas about "the Basin", Chisos Mtns., Big Bend Na... A. Nelson & R. A. Nelson 5106 1942-4-4
Asteraceae GH: 02217613 Aphanostephus ramosissimus humilis (Bentham) Birdsong USA: Texas Highway 285, north of Pecos A. Nelson & R. A. Nelson 4996 1942-3-30
GH: 02217726 Aphanostephus skirrhobasis (de Candolle) Trelease USA: Texas Along U. X. Highway 87, 21 miles north of Fr... A. Nelson & R. A. Nelson 5207 1942-4-27
GH: 00968979 Artemisia filifolia Torrey USA: Oklahoma Along Highway 83 at the North Fork of the Ca... A. Nelson & R. A. Nelson 5204 1942-4-28
GH: 02214005 Astranthium robustum (Shinners) DeJong USA: Texas Between Pecos and Alpine A. Nelson & R. A. Nelson 5011 1942-3-31
GH: 02188370 Carphochaete bigelovii A. Gray USA: Texas Chisos Mountains, Big Bend National Park A. Nelson & R. A. Nelson 5102 1942-4-4
GH: 02215782 Chaetopappa ericoides (Torrey) G. L. Nesom USA: Texas between Pecos and Alpine A. Nelson & R. A. Nelson 5012 1942-3-31
Berberidaceae A: 02169656 Mahonia trifoliolata (Moricand) Fedde USA: Texas Desert between Study Butte, and Burnham's Ra... A. Nelson & R. A. Nelson 5081 1942-4-3
Boraginaceae GH: 01957883 Cryptantha albida (Kunth) I. M. Johnston USA: Texas Lower slopes of the Chisos Mtn., Big Bend Na... A. Nelson & R. A. Nelson 5070 1942-4-3
GH: 01995255 Lappula redowskii (Hornemann) Greene USA: Texas Borrow pits of Highway 285, 22 miles north o... A. Nelson & R. A. Nelson 4984 1942-3-30
GH: 01996363 Lithospermum incisum Lehmann USA: Texas near Alpine A. Nelson & R. A. Nelson 5032 1942-4-1
GH: 02061033 Oreocarya oblata (M. E. Jones) J. F. Macbride USA: Texas Highway 285, north of Pecos A. Nelson & R. A. Nelson 4997 1942-3-30
GH: 02143989 Tiquilia canescens (de Candolle) A. T. Richardson USA: Texas near Terlingua A. Nelson & R. A. Nelson 5043 1942-4-2
Brassicaceae GH: 01155333 Chorispora tenella (Pallas) de Candolle USA: Colorado along U.S. Highway 40, east of Denver A. Nelson & R. A. Nelson 5212 1942-4-29
GH: 01548975 Lepidium lasiocarpum wrightii (A. Gray) C. L. Hitchcock USA: Texas Borrow pits of Highway 285, north of Pecos A. Nelson & R. A. Nelson 4988 1942-3-30
GH: 01548976 Lepidium lasiocarpum wrightii (A. Gray) C. L. Hitchcock USA: Texas between Alpine and Terlingua along the "Terl... A. Nelson & R. A. Nelson 5031 1942-4-1
GH: 01550429 Nerisyrenia camporum (A. Gray) Greene USA: Texas between Terlingua and the Rio Grande A. Nelson & R. A. Nelson 5046 1942-4-2
GH: 01550438 Nerisyrenia camporum (A. Gray) Greene USA: Texas of Highway 285, 22 miles north of Pecos A. Nelson & R. A. Nelson 4986 1942-3-30
GH: 01550484 Nerisyrenia camporum (A. Gray) Greene USA: Texas between Alpine and Terlingua along the "Terl... A. Nelson & R. A. Nelson 5024 1942-4-1
GH: 01575707 Physaria fendleri (A. Gray) O'Kane & Al-Shehbaz USA: Texas south of Pecos A. Nelson & R. A. Nelson 5000 1942-3-31
GH: 01575708 Physaria fendleri (A. Gray) O'Kane & Al-Shehbaz USA: Texas Borrow pits of Highway 285, north of Pecos A. Nelson & R. A. Nelson 4990 1942-3-30
GH: 01575941 Physaria gordonii (A. Gray) O'Kane & Al-Shehbaz USA: Oklahoma Along Highway 83 at the North Fork of the Ca... A. Nelson & R. A. Nelson 5202 1942-4-28
GH: 01687009 Physaria gordonii (A. Gray) O'Kane & Al-Shehbaz USA: Texas Borrrow pits of Highway 285, north of Pecos A. Nelson & R. A. Nelson 4991 1942-3-30
GH: 01687055 Physaria gordonii (A. Gray) O'Kane & Al-Shehbaz USA: Texas south of Pecos A. Nelson & R. A. Nelson 5015 1942-3-31
GH: 01691145 Physaria purpurea (A. Gray) O'Kane & Al-Shehbaz USA: Texas St. Elena canyon of the Rio Grande, Texas A. Nelson & R. A. Nelson 5053 1942-4-2
GH: 01716853 Stanleya pinnata texana B. L. Turner USA: Texas near Terlingua A. Nelson & R. A. Nelson 1942-4-1
GH: 01736406 Streptanthus platycarpus A. Gray USA: Texas northeast of Chisos Mtns., Big Bend National... A. Nelson & R. A. Nelson 5112 1942-4-6
Caesalpiniaceae GH: 01676565 Cercis canadensis Linnaeus USA: Texas Along U.S. Highway 87, between San Antonio a... A. Nelson & R. A. Nelson 5208 1942-4-26
GH: 01676643 Cercis canadensis mexicana (Rose) M. Hopkins USA: Texas between Marathon and Sanderson A. Nelson & R. A. Nelson 5113 1942-4-16
Cupressaceae GH: 02103912 Juniperus ashei J. Buchholz USA: Texas At the south fork of the Wichita River, Stat... A. Nelson & R. A. Nelson 5197 1942-4-27
GH: 02103954 Juniperus ashei J. Buchholz USA: Texas Canyons of the Chisos Mountains, Big Bend Na... A. Nelson & R. A. Nelson 5077 1942-4-3
GH: 02104905 Juniperus flaccida Schlechtendal USA: Texas Slopes of the Chisos Mtns., Big Bend Nat. Pa... A. Nelson & R. A. Nelson 5067 1942-4-3
GH: 02104930 Juniperus flaccida Schlechtendal USA: Texas Slopes of the Chisos Mts. Big Bend National ... A. Nelson & R. A. Nelson 5066 1942-4-3
GH: 02104929 Juniperus flaccida Schlechtendal USA: Texas Slopes of the Chisos Mts., Big Bend National... A. Nelson & R. A. Nelson 5067a 1942-4-3
GH: 02105924 Juniperus pinchotii Sudworth USA: Texas washes between Marathon and Sanderson A. Nelson & R. A. Nelson 5123 1942-4-6
Ericaceae GH: 01117359 Arbutus xalapensis Kunth USA: Texas Canyon of the Chisos Mountain, Big Bend Nati... A. Nelson & R. A. Nelson 5076 1942-4-3
Fabaceae GH: 02047112 Astragalus canadensis Linnaeus USA: Texas Along State Highway 283, at the north fork o... A. Nelson & R. A. Nelson 5198 1942-4-27
GH: 02047685 Astragalus crassicarpus Nuttall USA: Texas near Alpine A. Nelson & R. A. Nelson 5021 1942-4-1
GH: 02049162 Astragalus missouriensis Nuttall USA: Kansas Along U. S. Highway 96, in South Western Kan... A. Nelson & R. A. Nelson 1942-4-29
GH: 02049327 Astragalus mollissimus Torrey USA: Texas Roadsides between Pecos and Alpine A. Nelson & R. A. Nelson 5007 1942-3-31
GH: 02049657 Astragalus nuttallianus austrinus (Small) Barneby USA: Texas Along Highway 83 between Canadian and Perryt... A. Nelson & R. A. Nelson 5199 1942-4-28
GH: 02049659 Astragalus nuttallianus austrinus (Small) Barneby USA: Texas between Pecos and Alpine A. Nelson & R. A. Nelson 5005 1942-3-31
GH: 01884849 Dalea bicolor argyraea (A. Gray) Barneby USA: Texas northeast of Chisos Mountains, Big Bend Nati... A. Nelson & R. A. Nelson 5116 1942-4-6
GH: 01885567 Dalea formosa Torrey USA: Texas Chisos Mountain, Big Bend National Park A. Nelson & R. A. Nelson 5101 1942-4-4
GH: 02128914 Lupinus texensis Hooker USA: Texas Along U. S. Highway 87, 21 miles north of Fr... A. Nelson & R. A. Nelson 5190 1942-4-27
GH: 02128933 Lupinus texensis Hooker USA: Texas shores of the Rio Grande, oppiset [opposite]... A. Nelson & R. A. Nelson 5038 1942-4-2
GH: 02135619 Sophora secundiflora (Ortega) Lagasca ex de Candolle USA: Texas Canyons of the Chisos Mountains. Big Bend Na... A. Nelson & R. A. Nelson 5105 1942-4-4
Lamiaceae GH: 01553065 Hedeoma drummondii Bentham USA: Texas desert between Marathon and Sanderson A. Nelson & R. A. Nelson 5121 1942-4-6
GH: 01696717 Salvia texana (Scheele) Torrey USA: Texas Along U. S. Highway 87, 13 miles north of Fr... A. Nelson & R. A. Nelson 5205 1942-4-27
Linaceae GH: 01968855 Linum aristatum Engelmann USA: Texas between Alpine and Terlingua, along the "Ter... A. Nelson & R. A. Nelson 5020 1942-4-1
Malvaceae GH: 02202334 Callirhoe involucrata lineariloba (Torrey & A. Gray) A. Gray USA: Texas between Sanderson and Laredo A. Nelson & R. A. Nelson 5145 1942-4-7
Mimosaceae GH: 01680466 Acacia berlandieri Bentham USA: Texas between Sanderson and laredo A. Nelson & R. A. Nelson 5147 1942-4-7
GH: 01680714 Acacia farnesiana (Linnaeus) Willdenow USA: Texas Along the highway between Sanderson and Lare... A. Nelson & R. A. Nelson 5139 1942-4-7
GH: 01992254 Prosopis glandulosa torreyana (L. D. Benson) M. C. Johnston USA: Texas Along the "Terlingua Trail," south of Alpine A. Nelson & R. A. Nelson 5036 1942-4-1
Oleaceae GH: 01848702 Fraxinus greggii A. Gray USA: Texas Chisos Mtns., Big Bend Nat. Park A. Nelson & R. A. Nelson 1942-4-3
GH: 01848703 Fraxinus greggii A. Gray USA: Texas Chisos Mtns., Big Bend Nat. Park A. Nelson & R. A. Nelson 1942-4-3
Onagraceae GH: 01624617 Calylophus drummondianus berlandieri (Spach) Towner & P. H. Raven USA: Texas Along U.S. Highway 87, between Mason and Bra... A. Nelson & R. A. Nelson 5196 1942-4-27
GH: 01624730 Calylophus hartwegii lavandulifolius (A. Gray & Torrey) Towner & P. H. Raven USA: Texas Along U. S. Highway 83 between Canadian and ... A. Nelson & R. A. Nelson 5201 1942-4-28
GH: 01625049 Calylophus sp. USA: Texas south of Pecos A. Nelson & R. A. Nelson 5016 1942-3-31
GH: 01780957 Oenothera albicaulis Nuttall USA: Texas between Fort Davis and Alpine A. Nelson & R. A. Nelson 5018 1942-3-31
GH: 01644413 Oenothera kunthiana (Spach) Munz USA: Texas between marathon and Sanderson A. Nelson & R. A. Nelson 2125 1942-4-6
Orobanchaceae GH: 01877357 Castilleja integra A. Gray USA: Texas Lower slopes of the Chisos Mtns., Big Bend N... A. Nelson & R. A. Nelson 5072 1942-4-3
GH: 01879267 Castilleja sessiliflora Pursh USA: Texas between Marathon and Sanderson A. Nelson & R. A. Nelson 5114 1942-4-6
GH: 01879792 Conopholis alpina mexicana (A. Gray ex S. Watson) R. R. Haynes USA: Texas Chisos Mountains, Big Bend National Park A. Nelson & R. A. Nelson 5096 1942-4-4
Papaveraceae GH: 01738631 Corydalis curvisiliqua Engelmann ex A. Gray USA: Texas Alpine A. Nelson & R. A. Nelson 5006 1942-4-1
GH: 01738632 Corydalis curvisiliqua Engelmann ex A. Gray USA: Texas between Fort Davis and Alpine A. Nelson & R. A. Nelson 5019 1942-3-31
Pinaceae GH: 00397913 Pinus cembroides Zuccarini USA: Texas Slopes of the Chisos Mtns., Big Bend Nat. Pa... A. Nelson & R. A. Nelson 5064 1942-4-3
Plantaginaceae GH: 02119462 Penstemon fendleri Torrey USA: Texas between Marathon and Sanderson A. Nelson & R. A. Nelson 5115 1942-4-6
GH: 02122984 Penstemon triflorus A. Heller USA: Texas Along U. S. Highway 87, 10 miles north of Fr... A. Nelson & R. A. Nelson 5186 1942-4-27
Polemoniaceae GH: 01000962 Giliastrum rigidulum (Bentham) Rydberg USA: Texas between Marathon and Sanderson A. Nelson & R. A. Nelson 5120 1942-4-6
GH: 01574030 Phlox drummondii mcallisteri (Whitehead) Wherry USA: Texas Along U. S. Highway 87, 21 miles north of Fr... A. Nelson & R. A. Nelson 5191 1942-4-27
Resedaceae GH: 01930778 Oligomeris linifolia (Vahl) J. F. Macbride USA: Texas between Terlingua and the Rio Grande A. Nelson & R. A. Nelson 5042 1942-4-2
Rhamnaceae GH: 01789609 Ceanothus greggii A. Gray USA: Texas Upper slopes, Chisos Mountains, Big Bend Nat... A. Nelson & R. A. Nelson 1942-4-4
GH: 01789610 Ceanothus greggii A. Gray USA: Texas Upper slopes, Chisos Mountains, Big Bend Nat... A. Nelson & R. A. Nelson 1942-4-4
GH: 01790566 Condalia ericoides (A. Gray) M. C. Johnston USA: Texas near Alpine A. Nelson & R. A. Nelson 1942-4-1
GH: 01971126 Ziziphus obtusifolia (Hooker ex Torrey & A. Gray) A. Gray USA: Texas opposite the mouth of the St. Elena Canyon o... A. Nelson & R. A. Nelson 5061 1942-4-2
Rosaceae GH: 01586368 Vauquelinia corymbosa angustifolia (Rydberg) Hess & Henrickson USA: Texas Chisos Mtns., Big Bend National Park A. Nelson & R. A. Nelson 5097 1942-4-4
Sapindaceae GH: 01870231 Ungnadia speciosa Endlicher USA: Texas Canyons of the Chisos Mountains, Big Bend Na... A. Nelson & R. A. Nelson 5088 1942-4-4
Scrophulariaceae GH: 02041280 Leucophyllum frutescens (Berlese) I. M. Johnston USA: Texas Persimmon Gap, Big Bend Nat. Park A. Nelson & R. A. Nelson 5134 1942-4-6
Solanaceae GH: 01145616 Chamaesaracha coniodes (Moricand ex Dunal) Britton USA: Texas south of Pecos A. Nelson & R. A. Nelson 5004 1942-3-31
GH: 01563101 Nicotiana glauca Graham USA: Texas opposite the mouth of the St. Elena canyon o... A. Nelson & R. A. Nelson 5054 1942-4-2
GH: 01563227 Nicotiana obtusifolia Mertens & Galeotti USA: Texas between Terlingua and Burnham's Ranch, Big b... A. Nelson & R. A. Nelson 5069 1942-4-3
Verbenaceae GH: 01799716 Aloysia gratissima (Gillies & Hooker) Troncoso USA: Texas Along U. S. Highway 87, 10 miles south of Ma... A. Nelson & R. A. Nelson 51955 1942-4-27
GH: 01799688 Aloysia gratissima (Gillies & Hooker) Troncoso USA: Texas northeast of Chisos Mtns., Big Bend National... A. Nelson & R. A. Nelson 5108 1942-4-6
GH: 01800676 Glandularia bipinnatifida (Nuttall) Nuttall USA: Texas Borrow pits of Highway 285, 22 miles north o... A. Nelson & R. A. Nelson 4983 1942-3-30
GH: 01800716 Glandularia bipinnatifida (Nuttall) Nuttall USA: Texas south of Pecos A. Nelson & R. A. Nelson 5014 1942-3-31
GH: 01953121 Glandularia racemosa (Eggert) Umber USA: Texas Borrow pits of Highway 285, 22 miles north o... A. Nelson & R. A. Nelson 4985 1942-3-30
GH: 01953185 Glandularia verecunda Umber USA: Texas Borrow pits of Highway 285, north of Pecos A. Nelson & R. A. Nelson 4995 1942-3-30
GH: 01955226 Verbena hirtella (L. M. Perry) G. L. Nesom USA: Texas Big Bend National Park. A. Nelson & R. A. Nelson 5129 1942-4-6
GH: 01955227 Verbena hirtella (L. M. Perry) G. L. Nesom USA: Texas Along the highway between Sanderson and Lare... A. Nelson & R. A. Nelson 5138 1942-4-7
Zygophyllaceae GH: 01788133 Porlieria angustifolia (Engelmann) A. Gray USA: Texas opposite the mouth of the St. Elena Canyon o... A. Nelson & R. A. Nelson 1942-4-2
