Aceraceae GH: 01791553 Acer negundo Linnaeus USA: Arizona near Indian Gardens, Oak Creek Canyon A. Nelson & R. A. Nelson 2081 1935-5-23
Amaranthaceae GH: 01930294 Gomphrena caespitosa Torrey USA: Arizona 12 miles from Nogales A. Nelson & R. A. Nelson 1576 1935-4-20
Anacardiaceae GH: 01868095 Rhus trilobata Nuttall USA: Arizona Mesas and foothills of the Mazatzal Mountain... A. Nelson & R. A. Nelson 1941 1935-5-16
Apocynaceae GH: 02180629 Amsonia palmeri A. Gray USA: Arizona Tortilla Flat, Apache Trail. A. Nelson & R. A. Nelson 1755 1935-5-4
Aristolochiaceae GH: 01681746 Aristolochia watsonii Wooton & Standley USA: Arizona Oak Flats, Mountains near Superior. A. Nelson & R. A. Nelson 1856 1935-5-12
Asclepiadaceae GH: 01083617 Funastrum cynanchoides heterophyllum (Engelmann ex Torrey) Kartesz USA: Arizona Mohawk Mountains A. Nelson & R. A. Nelson 1333 1935-3-29
Asteraceae GH: 02217363 Acamptopappus sphaerocephalus (Harvey & A. Gray) A. Gray USA: Arizona between Roosevelt Dam and Tonto Basin A. Nelson & R. A. Nelson 1933 1935-5-15
GH: 02579089 Acourtia wrightii (A. Gray) Reveal & R. M. King USA: Arizona west side Baboquivari Mtns., foothills A. Nelson & R. A. Nelson 1556 1935-4-16
GH: 00283107 Ambrosia salsola pentalepis (Rydberg) Stother & B. G. Baldwin USA: Arizona Mohawk Mtns. [Mountains] A. Nelson & R. A. Nelson 1340 1935-3-29
GH: 00283106 Ambrosia salsola pentalepis (Rydberg) Stother & B. G. Baldwin USA: Arizona Mohawk Mtns. [Mountains] A. Nelson & R. A. Nelson 1341 1935-3-29
GH: 02214601 Baccharis salicifolia (Ruiz & Pavon) Persoon USA: Arizona in the Desert south of Yuma A. Nelson & R. A. Nelson 1293 1935-3-26
GH: 01924957 Brickellia atractyloides A. Gray USA: Arizona Between Tonto basin and Payson A. Nelson & R. A. Nelson 1964 1935-5-15
GH: 01923153 Brickellia coulteri brachiata (A. Gray) B. L. Turner USA: Arizona Vicinity of Canyon Lake, Apache Trail A. Nelson & R. A. Nelson 1727 1935-5-2
GH: 02172416 Centaurea melitensis Linnaeus USA: Arizona in the Gila Valley, Near Florence A. Nelson & R. A. Nelson 1653 1935-4-26
GH: 02215645 Chaetopappa ericoides (Torrey) G. L. Nesom USA: Arizona south of the boundary of the Petrified Fores... A. Nelson & R. A. Nelson 2162 1935-5-27
GH: 02353798 Erigeron lobatus A. Nelson USA: Arizona near the dam, Canyon Lake, Apache Trail A. Nelson & R. A. Nelson 1742 1935-5-3
GH: 02352829 Erigeron pringlei A. Gray USA: Arizona canyon bottom, Tonto Natural Bridge A. Nelson & R. A. Nelson 2026 1935-5-19
GH: 02351046 Erigeron pulcherrimus A. Heller USA: New Mexico hills between Santa Fe and Albuquerque A. Nelson & R. A. Nelson 2194 1935-5-29
GH: 02587673 Gutierrezia arizonica (A. Gray) M. A. Lane USA: Arizona about Tucson A. Nelson & R. A. Nelson 1527 1935-4-17
GH: 00283107 Hymenoclea hemidioica A. Nelson USA: Arizona Mohawk Mtns. [Mountains] A. Nelson & R. A. Nelson 1340 1935-3-29
GH: 00283106 Hymenoclea hemidioica A. Nelson USA: Arizona Mohawk Mtns. [Mountains] A. Nelson & R. A. Nelson 1341 1935-3-29
GH: 01835585 Malacothrix fendleri A. Gray USA: Arizona near Ajo A. Nelson & R. A. Nelson 1354 1935-3-31
GH: 01835622 Malacothrix glabrata (A. Gray ex D. C. Eaton) A. Gray USA: Arizona in the Papago Indian Reservation A. Nelson & R. A. Nelson 1372 1935-3-31
GH: 01835812 Malacothrix stebbinsii W. S. Davis & P. H. Raven USA: Arizona near Pinal Ranch, Mountains between Superior... A. Nelson & R. A. Nelson 1900 1935-5-12
GH: 02593028 Microseris linearifolia (de Candolle) Schultz Bipontinus USA: Arizona Baboquivari Mountains A. Nelson & R. A. Nelson 1554 1935-4-17
GH: 00026316 Packera neomexicana (A. Gray) W. A. Weber & Á. Löve USA: Arizona Near "Massacre" Camp, mountains between Ruby... A. Nelson & R. A. Nelson 1494 1935-4-12
GH: 00026316 Senecio neomexicanus A. Gray USA: Arizona Near "Massacre" Camp, mountains between Ruby... A. Nelson & R. A. Nelson 1494 1935-4-12
GH: 00026316 Senecio papagonius A. Nelson USA: Arizona Near "Massacre" Camp, mountains between Ruby... A. Nelson & R. A. Nelson 1494 1935-4-12
Berberidaceae GH: 02169262 Mahonia haematocarpa (Wooton) Fedde USA: Arizona Tucson: Tanque Verde Mountains A. Nelson & R. A. Nelson 1459 1935-4-7
Boraginaceae GH: 01957126 Amsinckia tessellata A. Gray USA: Arizona Orange Valley, 20 miles west of Casa Grande ... A. Nelson & R. A. Nelson 1214 1935-3-19
GH: 02023082 Cryptantha barbigera (A. Gray) Greene USA: Arizona Tanque Verde Mountains, near Tucson. A. Nelson & R. A. Nelson 1441 1935-4-7
GH: 02024307 Cryptantha maritima (Greene) Greene USA: Arizona Orange valley, 20 miles west of Casa Grande ... A. Nelson & R. A. Nelson 1244 1935-3-20
GH: 02025132 Cryptantha pterocarya (Torrey) Greene USA: Arizona Orange Valley, 20 miles west of Casa Grande ... A. Nelson & R. A. Nelson 1247 1935-3-20
GH: 02026551 Eremocarya micrantha (Torrey) Greene USA: Arizona Yuma desert, near U. S.-Mexican boundary lin... A. Nelson & R. A. Nelson 1284 1935-3-26
GH: 01993350 Heliotropium curassavicum Linnaeus USA: Arizona bed of the Gila River, Near Casa Grande Ruin... A. Nelson & R. A. Nelson 1662 1935-4-27
GH: 01994316 Johnstonella costata (Brandegee) Hasenstab & M.G. Simpson USA: Arizona between Yuma and the Fortuna Mountains. A. Nelson & R. A. Nelson 1299 1935-3-27
GH: 01994769 Lappula heterosperma Greene USA: Arizona south of the Petrified Forest Nat. Monument. A. Nelson & R. A. Nelson 2166 1935-5-27
GH: 02058362 Mertensia macdougalii A. Heller USA: Arizona near "Pine" and also in a moist "park" near ... A. Nelson & R. A. Nelson 2034 1935-5-20
GH: 02059856 Oreocarya cinerea Greene USA: Arizona Canyon Diablo, between Flagstaff and Holbroo... A. Nelson & R. A. Nelson 2128 1935-5-26
GH: 02060284 Oreocarya flava A. Nelson USA: Arizona Near Petrified Forest Nat. Monument. A. Nelson & R. A. Nelson 2152 1935-5-27
GH: 02060557 Oreocarya flavoculata A. Nelson USA: Arizona between Flagstaff and Holbrook. A. Nelson & R. A. Nelson 2137 1935-5-26
GH: 02060557 Oreocarya fulvocanescens (S. Watson) Greene USA: Arizona between Flagstaff and Holbrook. A. Nelson & R. A. Nelson 2137 1935-5-26
GH: 02061542 Pectocarya heterocarpa (I. M. Johnston) I. M. Johnston USA: Arizona about "Orange Valley", 20 miles west of Casa... A. Nelson & R. A. Nelson 1231 1935-3-19
GH: 02061707 Pectocarya platycarpa (Munz & I. M. Johnston) Munz & I. M. Johnston USA: Arizona about "Orange Valley" 20 mi. W. of Casa Gran... A. Nelson & R. A. Nelson 1231 in pt 1935-3-19
GH: 02062040 Plagiobothrys arizonicus (A. Gray) Greene USA: Arizona Sonoita. A. Nelson & R. A. Nelson 1604 1935-4-20
GH: 02143921 Tiquilia canescens (de Candolle) A. T. Richardson USA: Arizona Waste land about Tucson. A. Nelson & R. A. Nelson 1518 1935-4-17
GH: 02144254 Tiquilia plicata (Torrey) A. T. Richardson USA: Arizona washes of the Gila River, near Casa Grande R... A. Nelson & R. A. Nelson 1672 1935-4-27
Brassicaceae GH: 00946768 Boechera perennans (S. Watson) W. A. Weber USA: Arizona Vicinity of Payson and the Tonto Natural Bri... A. Nelson & R. A. Nelson 1992 1935-5-16
GH: 00986946 Descurainia pinnata glabra (Wooton & Standley) Detling USA: Arizona near Ajo. A. Nelson & R. A. Nelson 1359 1935-3-31
GH: 01084600 Dimorphocarpa wislizenii (J. Engleman) Rollins USA: Arizona bed of the Gila River near Casa Grande Ruins... A. Nelson & R. A. Nelson 1679 1935-4-27
GH: 01084757 Dithyrea californica Harvey USA: Arizona Yuma desert, near Mexican line. A. Nelson & R. A. Nelson 1282 1935-3-26
GH: 01561519 Dryopetalon runcinatum A. Gray USA: Arizona "Massacre Camp", Mountains betweeen Ruby and... A. Nelson & R. A. Nelson 1482 1935-4-12
ECON: 01540160 Guillenia lasiophylla (Hooker & Arnott) Greene USA: Arizona around the filling station, Orange Valley, 2... A. Nelson & R. A. Nelson 1249 1935-3-20
GH: 01540161 Guillenia lasiophylla (Hooker & Arnott) Greene USA: Arizona around the filing station, Orange Valley, 20... A. Nelson & R. A. Nelson 1249 1935-3-20
GH: 01548795 Lepidium lasiocarpum Nuttall USA: Arizona about Tucson. A. Nelson & R. A. Nelson 1377 1935-4-3
GH: 01548816 Lepidium lasiocarpum Nuttall USA: Arizona Santa Rita Mountains. A. Nelson & R. A. Nelson 1381 1935-4-6
GH: 01548948 Lepidium lasiocarpum wrightii (A. Gray) C. L. Hitchcock USA: Arizona "Orange Valley", 20 miles west of Casa Grand... A. Nelson & R. A. Nelson 1232 1935-3-19
ECON: 01549031 Lepidium montanum Nuttall USA: Arizona between Ajo and Sells, Papago Indian Reserva... A. Nelson & R. A. Nelson 1365 1935-3-31
GH: 01549615 Lepidium thurberi Wooton USA: Arizona Gila River bed, near Casa Grande Ruins A. Nelson & R. A. Nelson 1667 1935-4-27
ECON: 01549618 Lepidium thurberi Wooton USA: Arizona Gila River bed, near Casa Grande Ruins A. Nelson & R. A. Nelson 1667 1935-4-27
GH: 01549621 Lepidium thurberi Wooton USA: Arizona between Ajo and Sells, Papago Indian Reserva... A. Nelson & R. A. Nelson 1365 1935-3-31
GH: 00019789 Noccaea fendleri (A. Gray) Holub USA: Arizona Mountains between Ruby and the Tucson-Nogale... A. Nelson & R. A. Nelson 1196 1935-3-15
GH: 00019782 Noccaea fendleri glauca (A. Nelson) Al-Shehbz & M. Koch USA: Arizona West side of Baboquivari Peak A. Nelson & R. A. Nelson 1545 1935-4-16
GH: 01575512 Physaria fendleri (A. Gray) O'Kane & Al-Shehbaz USA: Arizona San Carlos Indian Reservation. A. Nelson & R. A. Nelson 1811 1935-5-9
GH: 01575873 Physaria gordonii (A. Gray) O'Kane & Al-Shehbaz USA: Arizona west of Tucson. A. Nelson & R. A. Nelson 1215 1935-3-19
ECON: 01575896 Physaria gordonii (A. Gray) O'Kane & Al-Shehbaz USA: Arizona west of Tucson. A. Nelson & R. A. Nelson 1215 1935-3-19
GH: 01575907 Physaria gordonii (A. Gray) O'Kane & Al-Shehbaz USA: Arizona between Tucson and Florence A. Nelson & R. A. Nelson 1641 1935-4-26
GH: 01691087 Physaria purpurea (A. Gray) O'Kane & Al-Shehbaz USA: Arizona Tortilla Flat, Apache Trail. A. Nelson & R. A. Nelson 1712a 1935-5-4
GH: 01691088 Physaria purpurea (A. Gray) O'Kane & Al-Shehbaz USA: Arizona near Canyon Lake. A. Nelson & R. A. Nelson 1712 1935-5-1
GH: 01691529 Physaria tenella (A. Nelson) O'Kane & Al-Shehbaz USA: Arizona 25 miles west of Casa Grande City. A. Nelson & R. A. Nelson 1254 1935-3-22
GH: 01716632 Stanleya pinnata (Pursh) Britton USA: Arizona between Flagstaff and Holbrook. A. Nelson & R. A. Nelson 2133 1935-5-26
ECON: 01716638 Stanleya pinnata (Pursh) Britton USA: Arizona between Flagstaff and Holbrook. A. Nelson & R. A. Nelson 2133 1935-5-26
GH: 01716934 Streptanthella longirostris (S. Watson) Rydberg USA: Arizona between Yuma and the Fortuna Mountains. A. Nelson & R. A. Nelson 1310 1935-3-27
GH: 01736145 Streptanthus carinatus arizonicus (S. Watson) Kruckeberg, Rodman & Worthington USA: Arizona about Tucson. A. Nelson & R. A. Nelson 1375 1935-4-3
GH: 00019782 Thlaspi australe A. Nelson USA: Arizona West side of Baboquivari Peak A. Nelson & R. A. Nelson 1545 1935-4-16
GH: 00019782 Thlaspi montanum Linnaeus USA: Arizona West side of Baboquivari Peak A. Nelson & R. A. Nelson 1545 1935-4-16
GH: 00019789 Thlaspi montanum fendleri (A. Gray) P. K. Holmgren USA: Arizona Mountains between Ruby and the Tucson-Nogale... A. Nelson & R. A. Nelson 1196 1935-3-15
GH: 00019789 Thlaspi stipitatum A. Nelson USA: Arizona Mountains between Ruby and the Tucson-Nogale... A. Nelson & R. A. Nelson 1196 1935-3-15
Caesalpiniaceae GH: 01873871 Cercidium floridum Bentham ex A. Gray USA: Arizona Along the Apache Trail A. Nelson & R. A. Nelson 1693 1935-5-1
GH: 01676892 Hoffmannseggia glauca (Ortega) Eifert USA: Arizona between the Casa Grande ruins and the Gila R... A. Nelson & R. A. Nelson 1660 1935-4-27
Campanulaceae GH: 01954018 Triodanis perfoliata biflora (Ruiz & Pavon) T. R. Bradley USA: Arizona below Collom's Camp, Mazatzal Mountains A. Nelson & R. A. Nelson 1938 1935-5-16
Caprifoliaceae GH: 02039285 Lonicera albiflora Torrey & A. Gray USA: Arizona Tonto Natural Bridge A. Nelson & R. A. Nelson 2006 1935-5-19
GH: 02038289 Lonicera interrupta Bentham USA: Arizona Oak Flats, between Miami and Superior A. Nelson & R. A. Nelson 1876 1935-5-12
GH: 02183569 Sambucus nigra cerulea (Rafinesque) Bolli USA: Arizona Banks of Gila River near Casa Grande Ruins A. Nelson & R. A. Nelson 1670 1935-4-27
Caryophyllaceae GH: 01740969 Arenaria aculeata S. Watson USA: Arizona between Payson and the East Verde Bridge. A. Nelson & R. A. Nelson 1999 1935-5-19
GH: 01743629 Cerastium fontanum Baumgarten USA: Arizona Mountains about Ruby. A. Nelson & R. A. Nelson 1483 1935-4-12
GH: 01745497 Minuartia douglasii (Torrey & A. Gray) Mattfeld USA: Arizona Mesa near Collom's Camp, Mazatzal Mountains. A. Nelson & R. A. Nelson 1975 1935-5-16
GH: 01715244 Sagina decumbens (Elliott) Torrey & A. Gray USA: Arizona near Pinal Ranch, Mountains between Miami an... A. Nelson & R. A. Nelson 1907 1935-5-12
Chenopodiaceae GH: 02003472 Atriplex confertifolia (Torrey & Fremont) Watson USA: Arizona between Flagstaff and Holbrook A. Nelson & R. A. Nelson 2132 1935-5-26
Convolvulaceae GH: 02056674 Cuscuta indecora Choisy USA: Arizona Tortilla Flat, Apache Trail A. Nelson & R. A. Nelson 1763 1935-5-4
Crassulaceae GH: 01987392 Dudleya collomiae Rose USA: Arizona Canyon Lake, Apache Trail A. Nelson & R. A. Nelson 1736 1935-5-2
Cupressaceae GH: 02105327 Juniperus monosperma Sargent USA: Arizona Mesas at foot of the Mazatzal Mountains. A. Nelson & R. A. Nelson 1974 1935-5-15
Ephedraceae GH: 00933498 Ephedra nevadensis S. Watson USA: Arizona near "Indian Gardans", Oak Creek Canyon. A. Nelson & R. A. Nelson 2087 1935-5-23
GH: 00933871 Ephedra sp. USA: Arizona near U. S. -- Mexican boundary. A. Nelson & R. A. Nelson 1290 1935-3-26
GH: 00933872 Ephedra sp. USA: Arizona 25 miles west of Casa Grande City. A. Nelson & R. A. Nelson 1259 1935-3-22
GH: 00933559 Ephedra torreyana S. Watson USA: Arizona between Flagstaff and Holbrook. A. Nelson & R. A. Nelson 2136 1935-5-26
Ericaceae GH: 01117594 Arctostaphylos pringlei Parry USA: Arizona just west of Pine. A. Nelson & R. A. Nelson 2033 1935-5-20
GH: 01117668 Arctostaphylos pungens Kunth USA: Arizona Mountains between Ruby and the Tucson-Nogale... A. Nelson & R. A. Nelson 1210 1935-3-15
GH: 01117669 Arctostaphylos pungens Kunth USA: Arizona Tanque Verde Mountains, near Tucson. A. Nelson & R. A. Nelson 1450 1935-4-7
Fabaceae GH: 01963189 Acmispon brachycarpus (Bentham) D. D. Sokoloff USA: Arizona Santa Rita Mountains A. Nelson & R. A. Nelson 1392 1935-4-6
GH: 01963997 Acmispon rigidus (Bentham) Brouillet USA: Arizona 25 miles west of Casa Grande City. A. Nelson & R. A. Nelson 1260 1935-3-22
GH: 01963998 Acmispon rigidus (Bentham) Brouillet USA: Arizona Tanque Verde Mountains, near Tucson. A. Nelson & R. A. Nelson 1439 1935-4-7
GH: 01963999 Acmispon rigidus (Bentham) Brouillet USA: Arizona Tanque Verde Mountains, near Tucson. A. Nelson & R. A. Nelson 1442 1935-4-7
GH: 01967140 Acmispon subpinnatus (Lagasca) D. D. Sokoloff USA: Arizona Mohawk Mountains, Southwestern Arizona. A. Nelson & R. A. Nelson 1349 1935-3-29
GH: 01967249 Acmispon wrightii (A. Gray) Brouillet USA: Arizona Collom's Camp, Mazatzal Mountains. A. Nelson & R. A. Nelson 1960 1935-5-16
GH: 02064390 Astragalus argophyllus martinii M. E. Jones USA: Arizona Alder Creek, near Collom's Camp, Mazatzal Mo... A. Nelson & R. A. Nelson 1959 1935-5-16
GH: 02064691 Astragalus bisulcatus (Hooker) A. Gray USA: New Mexico north of Las Vegas. A. Nelson & R. A. Nelson 2203 1935-5-29
GH: 02064960 Astragalus calycosus scaposus (A. Gray) M. E. Jones USA: Arizona near the Montezuma Castle Nat. Monument A. Nelson & R. A. Nelson 2045 1935-5-21
GH: 02047779 Astragalus crotalariae Bentham USA: Arizona east of Camp Verde. A. Nelson & R. A. Nelson 2029 1935-5-20
GH: 02044952 Astragalus humistratus sonorae (A. Gray) M. E. Jones USA: Arizona between Patagonia and Sonoita A. Nelson & R. A. Nelson 1579 1935-4-20
GH: 02052341 Astragalus lentiginosus Douglas ex Hooker USA: Arizona between Flagstaff and Holbrook A. Nelson & R. A. Nelson 2135 1935-5-26
GH: 02052401 Astragalus lentiginosus albiflorus (A. Gray) Schoener USA: Arizona 20 miles east of Flagstaff A. Nelson & R. A. Nelson 2126 1935-5-26
GH: 02052508 Astragalus lentiginosus borreganus M. E. Jones USA: Arizona Yuma desert near U.S.-Mexican line. A. Nelson & R. A. Nelson 1288 1935-3-23
GH: 02052502 Astragalus lentiginosus kennedyi (Rydberg) Barneby USA: Arizona near Robles West side Baboquivari Mountains A. Nelson & R. A. Nelson 1537 1935-4-16
GH: 02052503 Astragalus lentiginosus kennedyi (Rydberg) Barneby USA: Arizona near Robles West side Baboquivari Mountains A. Nelson & R. A. Nelson 1534 1935-4-16
GH: 02052504 Astragalus lentiginosus kennedyi (Rydberg) Barneby USA: Arizona Papago Indian Reservation between Ajo and Se... A. Nelson & R. A. Nelson 1370 1935-3-31
GH: 02052727 Astragalus lonchocarpus Torrey USA: New Mexico between Santa Fe and Albuquerque. A. Nelson & R. A. Nelson 2202 1935-5-29
GH: 02049522 Astragalus nothoxys A. Gray USA: Arizona From the Pass through the Graham Mountains A. Nelson & R. A. Nelson 1621 1935-4-24
GH: 02049523 Astragalus nothoxys A. Gray USA: Arizona Tanque Verde Mts. near Tucson A. Nelson & R. A. Nelson 1444 1935-4-7
GH: 02049526 Astragalus nothoxys A. Gray USA: Arizona near Ruby A. Nelson & R. A. Nelson 1457 1935-4-11
GH: 02049540 Astragalus nuttallianus de Candolle USA: Arizona Tucson: Tanque Verde Mountains A. Nelson & R. A. Nelson 1443 1935-4-7
GH: 02049590 Astragalus nuttallianus austrinus (Small) Barneby USA: Arizona Tucson: Tanque Verde Mountains A. Nelson & R. A. Nelson 1438 1935-4-7
GH: 02049972 Astragalus pectinatus (Douglas ex Hooker) Douglas ex G. Don USA: Wyoming Laramie: Laramie A. Nelson & R. A. Nelson 2209 1935-6-23
GH: 02048090 Astragalus praelongus E. Sheldon USA: New Mexico north of Las Vegas. A. Nelson & R. A. Nelson 2204 1935-5-29
GH: 02048808 Astragalus striatus Nuttall USA: New Mexico north of Las Vegas. A. Nelson & R. A. Nelson 2199 1935-5-29
GH: 02030132 Astragalus troglodytus S. Watson USA: Arizona Mogollon Rim, Oak Creek Canyon Road. A. Nelson & R. A. Nelson 2094 1935-5-24
GH: 02030436 Astragalus wootonii E. Sheldon USA: Arizona near Robles West side Baboquivari Mts. A. Nelson & R. A. Nelson 1521 1935-4-16
GH: 02030437 Astragalus wootonii E. Sheldon USA: Arizona between Camp Verde and Clemenceau A. Nelson & R. A. Nelson 2061 1935-5-22
GH: 02030438 Astragalus wootonii E. Sheldon USA: Arizona "Massacre Camp" Mountains near Ruby A. Nelson & R. A. Nelson 1472 1935-4-12
GH: 01884016 Coursetia glandulosa A. Gray USA: Arizona Tanque Verde Mountains near Tucson A. Nelson & R. A. Nelson 1411 1935-4-7
GH: 01885472 Dalea formosa Torrey USA: Arizona Mesas at the foot of the Mazatzal Mountains A. Nelson & R. A. Nelson 1972 1935-5-16
GH: 01921121 Dalea pulchra Gentry USA: Arizona Foothills, west side Baboquivari Mountains A. Nelson & R. A. Nelson 1160 1935-3-13
GH: 02148538 Lathyrus brachycalyx eucosmus (Butters & H. St. John) S. L. Welsh : North America: Wet ground A. Nelson & R. A. Nelson 2191 1935-5-29
GH: 02085342 Lupinus arizonicus (S. Watson) S. Watson USA: Arizona between Yuma and the Fortuna Mountains A. Nelson & R. A. Nelson 1308 1935-3-27
GH: 02085983 Lupinus concinnus J. Agardh USA: Arizona near Tucson A. Nelson & R. A. Nelson 1379 1935-4-3
GH: 02176314 Lupinus formosus Greene USA: Arizona San Carlos Indian Reservation A. Nelson & R. A. Nelson 1819 1935-5-9
GH: 02176652 Lupinus kingii S. Watson USA: Arizona plain between Flagstaff and Holbrook. A. Nelson & R. A. Nelson 2143 1935-5-26
GH: 01539692 Lupinus sparsiflorus mohavensis Dziek. & D. B. Dunn USA: Arizona Orange Valley, Palo Verde Mountains (20 mile... A. Nelson & R. A. Nelson 1228 1935-3-19
GH: 01539669 Lupinus sparsiflorus mohavensis Dziek. & D. B. Dunn USA: Arizona along the Apache Trail A. Nelson & R. A. Nelson 1703 1935-5-1
GH: 02128843 Lupinus succulentus brandegeei C. P. Smith USA: Arizona San Carlos Indian Reservation. A. Nelson & R. A. Nelson 1812 1935-5-9
GH: 02129458 Marina parryi (Torrey & A. Gray) Barneby USA: Arizona west side Baboquivari Mountains A. Nelson & R. A. Nelson 1533 1935-4-17
GH: 02131472 Oxytropis sericea Nuttall USA: New Mexico Hills northeast of Santa Fe. A. Nelson & R. A. Nelson 2201 1935-5-29
GH: 02133086 Pediomelum megalanthum retrorsum (Rydberg) J. W. Grimes USA: Arizona Apache Trail between Roosevelt Lake and Miam... A. Nelson & R. A. Nelson 1795 1935-5-6
GH: 02133244 Phaseolus filiformis Bentham USA: Arizona Apache Trail, east of Canyon Lake. A. Nelson & R. A. Nelson 1771 1935-5-5
GH: 02133685 Psoralidium lanceolatum (Pursh) Rydberg USA: New Mexico between Albuquerque and Santa Fe. A. Nelson & R. A. Nelson 2192 1935-5-29
GH: 02133753 Psoralidium tenuiflorum (Pursh) Rydberg USA: Arizona Roadbanks between Tonto Basin and Payson. A. Nelson & R. A. Nelson 1963 1935-5-15
GH: 02342920 Trifolium gracilentum Torrey & A. Gray USA: Arizona San Carlos Indian Reservation. A. Nelson & R. A. Nelson 1833 1935-5-9
GH: 02289193 Trifolium willdenovii Sprengel USA: Arizona Devils Canyon, mountains near Superior A. Nelson & R. A. Nelson 1855 1935-5-12
GH: 02344872 Vicia americana Muhlenberg ex Willdenow USA: Arizona San Carlos Indian Reservation. A. Nelson & R. A. Nelson 1834 1935-5-9
GH: 02345276 Vicia americana minor Hooker USA: New Mexico east of Las Vegas A. Nelson & R. A. Nelson 2190 1935-5-29
GH: 02345326 Vicia americana minor Hooker USA: Wyoming Laramie: [no additional data] A. Nelson & R. A. Nelson 2212 1935-6-30
Geraniaceae GH: 01863700 Erodium texanum A. Gray USA: Arizona about Tucson A. Nelson & R. A. Nelson 1935-4-17
Hydrangeaceae GH: 01750810 Fendlera wrightii (Engelmann & A. Gray) A. Heller USA: Arizona Santa Rita Mountains. A. Nelson & R. A. Nelson 1400 1935-4-6
Krameriaceae GH: 01788327 Krameria erecta Willdenow ex Schultes USA: Arizona Tucson: Outskirts of Tucson A. Nelson & R. A. Nelson 1935-4-25
GH: 01788403 Krameria grayi Rose & Painter USA: Arizona Vicinity of the Boyce Thompson arboretum, Su... A. Nelson & R. A. Nelson 1935-5-13
Lamiaceae GH: 01554221 Condea emoryi (Torrey) Harley & J. F. B. Pastore USA: Arizona Mohawk Mountains. A. Nelson & R. A. Nelson 1339 1935-3-29
GH: 01553307 Hedeoma nana macrocalyx W. S. Stewart USA: Arizona Along the Apache Trail, Vicinity of Canyon L... A. Nelson & R. A. Nelson 1720 1935-5-1
GH: 01551067 Marrubium vulgare Linnaeus USA: Arizona the Gila River, Near Casa Grande ruins A. Nelson & R. A. Nelson 1668 1935-4-27
GH: 01596857 Salvia columbariae Bentham USA: Arizona vicinity of Ajo. A. Nelson & R. A. Nelson 1352 1935-3-31
GH: 01596858 Salvia columbariae Bentham USA: Arizona Vicinity of Orange Valley, 20 miles west of ... A. Nelson & R. A. Nelson 1245 1935-3-20
GH: 01700331 Teucrium depressum Small USA: Arizona Along Highway 80, east of Tucson. A. Nelson & R. A. Nelson 1613 1935-4-20
Malvaceae GH: 02202515 Eremalche rotundifolia (A. Gray) Greene USA: Arizona Mohawk Mountains A. Nelson & R. A. Nelson 1345 1935-3-29
GH: 02200375 Sida abutilifolia Miller USA: Arizona west side Baboquivari Mountains A. Nelson & R. A. Nelson 1509a 1935-4-16
GH: 02199268 Sphaeralcea ambigua A. Gray USA: Arizona Mohawk Mountains A. Nelson & R. A. Nelson 1342 1935-3-29
GH: 02199266 Sphaeralcea ambigua A. Gray USA: Arizona between Ajo and Sells Papago Indian Reservat... A. Nelson & R. A. Nelson 1368 1935-3-31
GH: 02199256 Sphaeralcea ambigua A. Gray USA: Arizona Mohawk Mountains A. Nelson & R. A. Nelson 1342 1935-3-29
GH: 02199682 Sphaeralcea coulteri (S. Watson) A. Gray USA: Arizona 20 miles west of Casa Grande City. A. Nelson & R. A. Nelson 1213 1935-3-19
GH: 02199788 Sphaeralcea grossulariifolia (Hooker & Arnott) Rydberg USA: Arizona San Carlos Ind. Reservation. A. Nelson & R. A. Nelson 1816 1935-5-9
GH: 02199833 Sphaeralcea hastulata A. Gray USA: Arizona between Flagstaff and Holbrook. A. Nelson & R. A. Nelson 2130 1935-5-26
GH: 02199960 Sphaeralcea laxa Wooten & Standley USA: Arizona vacant land about Tucson. A. Nelson & R. A. Nelson 1520 1935-4-17
GH: 02199969 Sphaeralcea leptophylla (A. Gray) Rydberg USA: Arizona between Flagstaff and Holbrook. A. Nelson & R. A. Nelson 2140 1935-5-26
GH: 02198109 Sphaeralcea parvifolia A. Nelson USA: Arizona between Tucson and Florence. A. Nelson & R. A. Nelson 1655 1935-4-26
Mimosaceae GH: 01680776 Acacia greggii A. Gray USA: Arizona at Apache Junction. A. Nelson & R. A. Nelson 1698 1935-5-1
GH: 01786164 Calliandra eriophylla Bentham USA: Arizona about 10 miles east of Nogales, Patagonia ro... A. Nelson & R. A. Nelson 1572 1935-4-19
Moraceae GH: 01545169 Morus microphylla Buckley USA: Arizona Along Fish Creek, Apache Trail A. Nelson & R. A. Nelson 1786 1935-5-5
Nyctaginaceae GH: 01642557 Abronia pogonantha Heimerl USA: Arizona Salt River bottom lands near Phoenix. A. Nelson & R. A. Nelson 1682 1935-4-29
GH: 01642687 Abronia villosa S. Watson USA: Arizona west side Mohawk Mts. A. Nelson & R. A. Nelson 1325 1935-3-28
GH: 01642981 Allionia incarnata villosa (Standley) Munz USA: Arizona west side Baboquivari Mts. A. Nelson & R. A. Nelson 1539 1935-4-16
GH: 01641718 Mirabilis coccinea (Torrey) Bentham & Hooker f. USA: Arizona between Roosevelt am and Tonto Basin store. A. Nelson & R. A. Nelson 1935-5-15
GH: 01641950 Mirabilis laevis villosa (Kellogg) Spellenberg USA: Arizona Along the Apache Trail. A. Nelson & R. A. Nelson 1935-5-2
GH: 01846243 Mirabilis multiflora (Torrey) A. Gray USA: Arizona east of Miami A. Nelson & R. A. Nelson 1935-5-6
GH: 01846678 Tripterocalyx carneus carneus (Greene) L. A. Galloway USA: Arizona between Flagstaff & Holbrook A. Nelson & R. A. Nelson 1935-5-26
Oleaceae GH: 01848277 Fraxinus anomala lowellii (Sargent) Little USA: Arizona slopes of Oak Creek Canyon, west of Indian G... A. Nelson & R. A. Nelson 1935-5-23
GH: 01850310 Fraxinus velutina Torrey USA: Arizona at Tonto Basin A. Nelson & R. A. Nelson 1935-5-15
GH: 01850373 Fraxinus velutina Torrey USA: Arizona Along Alder creek near Collom's camp, foothi... A. Nelson & R. A. Nelson 1935-5-16
GH: 01850376 Fraxinus velutina Torrey USA: Arizona Fish Creek Canyon, Apache Trail. A. Nelson & R. A. Nelson 1935-5-5
GH: 01850780 Menodora scabra A. Gray USA: Arizona west side of Baboquivari Mountains A. Nelson & R. A. Nelson 1935-4-17
Onagraceae GH: 01625080 Camissonia arenaria (A. Nelson) P. H. Raven USA: Arizona Fortuna Mountains A. Nelson & R. A. Nelson 1321 1935-3-27
GH: 01625334 Camissonia californica (Nuttall ex Torrey & A. Gray) P. H. Raven USA: Arizona "Orange Valley", 20 miles west of Casa Grand... A. Nelson & R. A. Nelson 1238 1935-3-20
GH: 01625339 Camissonia californica (Nuttall ex Torrey & A. Gray) P. H. Raven USA: Arizona Between Roosevelt Dam and Tonto Basin A. Nelson & R. A. Nelson 1922 1935-5-15
GH: 01625343 Camissonia californica (Nuttall ex Torrey & A. Gray) P. H. Raven USA: Arizona "Orange Valley", 20 miles west of Casa Grand... A. Nelson & R. A. Nelson 1238 1935-3-20
GH: 01625445 Camissonia chamaenerioides (A. Gray) P. H. Raven USA: Arizona in the Mohawk Mountains. A. Nelson & R. A. Nelson 1331 1935-3-29
GH: 01625551 Camissonia claviformis peeblesii (Munz) P. H. Raven USA: Arizona "Orange Valley", 20 miles west of Casa Grand... A. Nelson & R. A. Nelson 123=0 1935-3-19
GH: 01625568 Camissonia claviformis yumae (P. H. Raven) P. H. Raven USA: Arizona on Yuma desert, near Mexican line. A. Nelson & R. A. Nelson 1286 1935-3-26
GH: 01625945 Camissonia refracta (S. Watson) P. H. Raven USA: Arizona Mohawk Mountains. A. Nelson & R. A. Nelson 1330 1935-3-29
GH: 01671560 Epilobium foliosum (Torrey & A. Gray) Suksdorf USA: Arizona Pinal Ranch, mountains between Miami and Sup... A. Nelson & R. A. Nelson 1905 1935-5-12
GH: 01778011 Gaura hexandra gracilis (Wooton & Standley) P. H. Raven & D. P. Gregory USA: Arizona San Carlos Ind. Reservation. A. Nelson & R. A. Nelson 1835 1935-5-9
GH: 01780877 Oenothera albicaulis Nuttall USA: Arizona Painted Desert between Cameron and the Navaj... A. Nelson & R. A. Nelson 2862 1935-5-25
GH: 01645024 Oenothera avita arizonica (Munz) W. M. Klein USA: Arizona Gila River near Casa Grande Ruins. A. Nelson & R. A. Nelson 1678 1935-4-27
GH: 01645028 Oenothera avita arizonica (Munz) W. M. Klein USA: Arizona Salt River bottom lands near Phoenix. A. Nelson & R. A. Nelson 1683 1935-4-29
GH: 00054168 Oenothera brevipes arizonica P. H. Raven USA: Arizona Mohawk Mountains A. Nelson & R. A. Nelson 1343 1935-3-29
GH: 01645376 Oenothera caespitosa marginata (Nuttall ex Hooker & Arnott) Munz USA: Arizona Road cut between Ruby and the Tucson-Nogales... A. Nelson & R. A. Nelson 1514 1935-4-13
GH: 01643562 Oenothera primiveris primiveris A. Gray USA: Arizona Globe A. Nelson & R. A. Nelson 1810 1935-5-9
GH: 01643566 Oenothera primiveris primiveris A. Gray USA: Arizona west side of Baboquivari Mountains A. Nelson & R. A. Nelson 1176 1935-3-13
Orobanchaceae GH: 01877245 Castilleja integra A. Gray USA: Arizona Santa Rita Mountains, near Tucson A. Nelson & R. A. Nelson 1403 1935-4-6
GH: 01877403 Castilleja lanata A. Gray USA: Arizona near Sonoita A. Nelson & R. A. Nelson 1607 1935-4-20
GH: 02081568 Orthocarpus purpurascens Bentham USA: Arizona vicinity of Orange Valley, 20 miles west of ... A. Nelson & R. A. Nelson 1251 1935-3-20
Papaveraceae GH: 01738303 Corydalis aurea Willdenow USA: Arizona Vicinity of Payson A. Nelson & R. A. Nelson 2005 1935-5-18
GH: 01738304 Corydalis aurea Willdenow USA: Arizona Oak Creek Canyon A. Nelson & R. A. Nelson 2103X 1935-5-24
GH: 01738474 Corydalis aurea occidentalis (Engelmann ex A. Gray) Ownbey USA: Arizona "Massacre Camp", mountains between Ruby and ... A. Nelson & R. A. Nelson 1491 1935-4-12
GH: 01857011 Eschscholzia californica mexicana (Greene) C. Clark USA: Arizona 25 miles west of Casa Grande City. A. Nelson & R. A. Nelson 1258 1935-3-22
GH: 01857012 Eschscholzia californica mexicana (Greene) C. Clark USA: Arizona about 10 miles north of Nogales. A. Nelson & R. A. Nelson 1569a 1935-4-19
GH: 01857039 Eschscholzia glyptosperma Greene USA: Arizona west of Mohawk Mountains. A. Nelson & R. A. Nelson 1326 1935-3-28
GH: 01857103 Eschscholzia minutiflora S. Watson USA: Arizona near "Orange Valley", 20 miles west of Casa ... A. Nelson & R. A. Nelson 1237 1935-3-20
GH: 01857661 Platystemon californicus Bentham USA: Arizona Tucson: Tanque Verde mountains A. Nelson & R. A. Nelson 1432 1935-4-7
Pinaceae GH: 00398464 Pinus edulis Engelmann USA: Arizona Mountains of south-central Arizona. A. Nelson & R. A. Nelson 1918 1935-5-14
Plantaginaceae GH: 02000592 Keckiella antirrhinoides microphylla (A. Gray) Straw USA: Arizona Vicinity of Apache Lake. A. Nelson & R. A. Nelson 1788 1935-5-5
GH: 02001385 Mohavea confertiflora (Bentham ex A. de Candolle) A. Heller USA: Arizona ravine in the Mohawk Mountains. A. Nelson & R. A. Nelson 1348 1935-3-29
GH: 02002165 Penstemon angustifolius Nuttall ex Pursh USA: Wyoming Laramie: Vacant lots A. Nelson & R. A. Nelson 2210 1935-6-23
GH: 02002998 Penstemon caespitosus Nuttall ex A. Gray USA: Colorado Willow Creek Pass A. Nelson & R. A. Nelson 2223 1935-7-18
GH: 02119252 Penstemon eatonii exsertus (A. Nelson) C. C. Freeman USA: Arizona Apache Trail, vicinity of Canyon Lake. A. Nelson & R. A. Nelson 1700 1935-5-1
GH: 02121506 Penstemon palmeri A. Gray USA: Arizona Roadbanks above Sedona, mouth of Oak Creek C... A. Nelson & R. A. Nelson 2074 1935-5-22
GH: 02121579 Penstemon parryi (A. Gray) A. Gray USA: Arizona About 25 miles west of Casa Grande city. A. Nelson & R. A. Nelson 1261 1935-3-22
GH: 02122022 Penstemon pseudospectabilis connatifolius (A. Nelson) C. C. Freeman USA: Arizona Vicinity of Collom's Camp, Mazatzal Mtns. A. Nelson & R. A. Nelson 1937 1935-5-16
GH: 02122021 Penstemon pseudospectabilis connatifolius (A. Nelson) C. C. Freeman USA: Arizona Hills at the west end of Canyon Lake. A. Nelson & R. A. Nelson 1729 1935-5-2
GH: 02122868 Penstemon subulatus M. E. Jones USA: Arizona Between Roosevelt Lake and Miami, "Apache Tr... A. Nelson & R. A. Nelson 1796 1935-5-6
GH: 02122880 Penstemon superbus A. Nelson USA: Arizona San Carlos Indian Reservation. A. Nelson & R. A. Nelson 1844 1935-5-9
GH: 02122948 Penstemon thurberi Torrey USA: Arizona Roadsides between Tucson and Florence. A. Nelson & R. A. Nelson 1654 1935-4-26
GH: 02122947 Penstemon thurberi Torrey USA: Arizona Roadside between Tucson and Florence. A. Nelson & R. A. Nelson 1654 1935-4-26
GH: 01801407 Penstemon whippleanus A. Gray USA: Colorado Willow Creek Pass, North Park A. Nelson & R. A. Nelson 2215 1935-7-17
GH: 01803397 Plantago ovata Forsskål USA: Arizona 20 miles west of Casa Grande City. A. Nelson & R. A. Nelson 1235 1935-3-19
GH: 01803390 Plantago ovata Forsskål USA: Arizona Fortuna Mts. A. Nelson & R. A. Nelson 1301 1935-3-27
GH: 01803750 Plantago patagonica spinulosa (Decaisne) A. Gray USA: Arizona west side Baboquivari Mts. A. Nelson & R. A. Nelson 1532 1935-4-16
GH: 01803751 Plantago patagonica spinulosa (Decaisne) A. Gray USA: Arizona near Collom's Camp, Mazatzal Mountains. A. Nelson & R. A. Nelson 1942 1935-5-16
GH: 01803818 Plantago rhodosperma Decaisne USA: Arizona Tortilla Flat, Apache Trail. A. Nelson & R. A. Nelson 1762 1935-5-4
Polemoniaceae GH: 01083809 Allophyllum gilioides (Bentham) V. E. Grant & A. D. Grant USA: Arizona Tanque Verde Mountains, Near Tucson. A. Nelson & R. A. Nelson 1437 1935-4-7
GH: 01092037 Collomia grandiflora Douglas ex Lindley USA: Arizona Devils Canyon, mountains between Superior an... A. Nelson & R. A. Nelson 1861 1935-5-12
GH: 01092692 Eriastrum eremicum (Jepson) H. Mason USA: Arizona Mohawk Mountains. A. Nelson & R. A. Nelson 1336 1935-3-29
GH: 01092743 Eriastrum eremicum yageri (M. E. Jones) H. Mason USA: Arizona Vicinity of Collom Camp, Mazatzal Mountains A. Nelson & R. A. Nelson 1945 1935-5-16
GH: 01000499 Gilia flavocincta A. Nelson USA: Arizona Vicinity of Camp Verde. A. Nelson & R. A. Nelson 2042 1935-5-21
GH: 01000711 Gilia stellata A. Heller USA: Arizona near Orange Valley, About 20 miles west of C... A. Nelson & R. A. Nelson 1223 1935-3-19
GH: 01000755 Gilia transmontana (H. Mason & A. D. Grant) A. D. Grant & V. E. Grant USA: Arizona west side Baboquivari Mountains. A. Nelson & R. A. Nelson 1552 1935-4-17
GH: 01000979 Giliastrum acerosum (A. Gray) Rydberg USA: Arizona near the Rio Puerto [Puerco?], near Petrifie... A. Nelson & R. A. Nelson 2145 1935-5-27
GH: 01105156 Leptosiphon chrysanthus J. M. Porter & R. Patterson USA: Arizona At the foot of the Santa Rita Mtns. A. Nelson & R. A. Nelson 1393 1935-4-6
GH: 00954178 Linanthus inyoensis (I. M. Johnston) J. M. Porter & L. A. Johnson USA: Arizona Vicinity of Orange Valley, 25 miles west of ... A. Nelson & R. A. Nelson 1255 1935-3-22
GH: 01565226 Microsteris gracilis (Hooker) Greene USA: Arizona Mountains between Ruby and the Tucson-Nogale... A. Nelson & R. A. Nelson 1202 1935-3-15
GH: 00091422 Phlox acerba A. Nelson USA: Arizona In Oak Creek Canyon A. Nelson & R. A. Nelson 2119 1935-5-24
GH: 01574521 Phlox longifolia compacta (Brand) Wherry USA: Arizona between Patagonia and Sonoita. A. Nelson & R. A. Nelson 1581 1935-4-20
GH: 01574822 Phlox nana Nuttall USA: New Mexico northeast of Santa Fe A. Nelson & R. A. Nelson 2197 1935-5-29
GH: 01686899 Phlox tenuifolia A. Gray ex E. E. Nelson USA: Arizona Vicinity of Canyon Lake, Apache Trail A. Nelson & R. A. Nelson 1735 1935-5-2
GH: 01686900 Phlox tenuifolia A. Gray ex E. E. Nelson USA: Arizona Apache Trail east of Roosevelt Lake A. Nelson & R. A. Nelson 1794 1935-5-6
GH: 01686907 Phlox tenuifolia A. Gray ex E. E. Nelson USA: Arizona Vicinity of Canyon lake, Apache Trail. A. Nelson & R. A. Nelson 1735 1935-5-2
GH: 01686911 Phlox tenuifolia A. Gray ex E. E. Nelson USA: Arizona Apache Trail east of Roosevelt Lake. A. Nelson & R. A. Nelson 1794 1935-5-6
GH: 01686948 Phlox woodhousei (A. Gray) E. E. Nelson USA: Arizona west of Pine. A. Nelson & R. A. Nelson 2035 1935-5-20
Polygonaceae GH: 01717423 Centrostegia thurberi A. Gray USA: Arizona along the Apache Trail between Roosevelt Lak... A. Nelson & R. A. Nelson 1797 1935-5-6
GH: 01717482 Chorizanthe brevicornu Torrey USA: Arizona 20 miles west of Casa Grande City. A. Nelson & R. A. Nelson 1218 1935-3-19
GH: 01717483 Chorizanthe brevicornu Torrey USA: Arizona Hills about Canyon Lake, Apache Trail. A. Nelson & R. A. Nelson 1752 1935-5-3
GH: 01717920 Eriogonum abertianum Torrey USA: Arizona Santa Rita Mountains. A. Nelson & R. A. Nelson 1394 1935-4-6
GH: 01652410 Eriogonum fasciculatum Bentham USA: Arizona in the vicinity of Canyon Lake, Apache Trail... A. Nelson & R. A. Nelson 1737 1935-5-2
GH: 01652411 Eriogonum fasciculatum Bentham USA: Arizona vicinity of Canyon Lake, Apache. Trail. A. Nelson & R. A. Nelson 1717 1935-5-1
GH: 01851143 Eriogonum inflatum Torrey & Fremont USA: Arizona Apache Trail. A. Nelson & R. A. Nelson 1708 1935-5-1
GH: 01851761 Eriogonum maculatum A. Heller USA: Arizona along the roadway between Tucson and Florenc... A. Nelson & R. A. Nelson 1649 1935-4-26
GH: 01986732 Eriogonum palmerianum Reveal USA: Arizona between Camp Verde and Clemenceau. A. Nelson & R. A. Nelson 2060 1935-5-22
GH: 01966288 Eriogonum reniforme Torr. & Frém. USA: Arizona near Ajo A. Nelson & R. A. Nelson 1358 1935-3-31
GH: 01966930 Eriogonum thomasii Torrey USA: Arizona Mohawk Mountains A. Nelson & R. A. Nelson 1350 1935-3-30
GH: 01966987 Eriogonum thurberi Torrey USA: Arizona between Roosevelt DAm and Tonto Basin Store A. Nelson & R. A. Nelson 1931 1935-5-15
GH: 02043111 Eriogonum trichopes Torrey USA: Arizona north of Clemenceau A. Nelson & R. A. Nelson 2067 1935-5-22
Portulacaceae GH: 00037505 Calyptridium depressum A. Nelson USA: Arizona "Massacre Camp", mountains between Ruby and ... A. Nelson & R. A. Nelson 1203 1935-3-15
GH: 01858239 Cistanthe monandra (Nuttall) Hershkovitz USA: Arizona Santa Rita Mountains. A. Nelson & R. A. Nelson 1405 1935-4-6
GH: 00012326 Claytonia perfoliata mexicana (Rydberg) John M. Miller & K. L. Chambers USA: Arizona Moist sand among rocks, Devils Canyon, Mount... A. Nelson & R. A. Nelson 1852 1935-5-12
GH: 01859731 Lewisia nevadensis (A. Gray) B. L. Robinson USA: Arizona near Payson. A. Nelson & R. A. Nelson 2008 1935-5-18
GH: 00012326 Montia perfoliata congesta A. Nelson USA: Arizona Moist sand among rocks, Devils Canyon, Mount... A. Nelson & R. A. Nelson 1852 1935-5-12
GH: 01928080 Talinum brevifolium Torrey USA: New Mexico near the Laguna Pueblo. A. Nelson & R. A. Nelson 2170 1935-5-28
Primulaceae GH: 01942178 Androsace occidentalis Pursh USA: Arizona west side Baboquivari Mountains A. Nelson & R. A. Nelson 1161 1935-3-13
Ranunculaceae GH: 01720232 Aconitum columbianum Nuttall USA: Colorado head of Willow Creek, Willow Creek Pass A. Nelson & R. A. Nelson 2217 1935-7-17
GH: 01708522 Anemone tuberosa Rydberg USA: Arizona Massacre camp, between Ruby and the Tucson-N... A. Nelson & R. A. Nelson 1481 1935-4-12
GH: 01658175 Delphinium amabile Tidestrom USA: Arizona along Highway between Tucson and Florence. A. Nelson & R. A. Nelson 1646 1935-4-26
GH: 01660238 Delphinium scaposum Greene USA: Arizona San Carlos Indian Reservation A. Nelson & R. A. Nelson 1813 1935-5-9
GH: 01661613 Myosurus cupulatus S. Watson USA: Arizona Tanque Verde Mtns., near Tucson. A. Nelson & R. A. Nelson 1430 1935-4-7
Resedaceae GH: 01930740 Oligomeris linifolia (Vahl) J. F. Macbride USA: Arizona About Indian ruins in the Gila Valley A. Nelson & R. A. Nelson 1681 1935-4-28
Rhamnaceae GH: 01789557 Ceanothus greggii A. Gray USA: Arizona at the foot of the Mazatzals Along road to C... A. Nelson & R. A. Nelson 1935-5-15
GH: 01789563 Ceanothus greggii A. Gray USA: Arizona Santa Rita Mountains A. Nelson & R. A. Nelson 1935-4-6
GH: 01789919 Ceanothus integerrimus Hooker & Arnott USA: Arizona Devils Canyon, near Superior A. Nelson & R. A. Nelson 1935-5-12
GH: 01790825 Frangula californica tomentella (Bentham) Kartesz & Gandhi USA: Arizona Along Fish Creek, Apache Trail A. Nelson & R. A. Nelson 1935-5-5
GH: 01972782 Rhamnus crocea ilicifolia (Kellogg) Greene USA: Arizona along Fish Creek, Apache Trail A. Nelson & R. A. Nelson 1777 1935-5-5
Rosaceae GH: 01729389 Amelanchier utahensis Koehne USA: Arizona Upper edges of the canyon, Tonto Natural Bri... A. Nelson & R. A. Nelson 2024 1935-5-19
GH: 01587574 Cercocarpus montanus glaber (S. Watson) F. L. Martin USA: Arizona Between Miami and Superior. A. Nelson & R. A. Nelson 1851 1935-5-12
GH: 01588994 Fallugia paradoxa (D. Don) Endlicher USA: Arizona at the foot of the Mazatzal Mountains. A. Nelson & R. A. Nelson 1946a 1935-5-16
GH: 01724496 Prunus serotina rufula (Wooton & Standley) McVaugh USA: Arizona Queens Canyon near Superior. A. Nelson & R. A. Nelson 1878 1935-5-12
GH: 01724497 Prunus serotina rufula (Wooton & Standley) McVaugh USA: Arizona Upper edges of the Canyon, Tonto Natural Bri... A. Nelson & R. A. Nelson 2007 1935-5-18
GH: 01724499 Prunus serotina rufula (Wooton & Standley) McVaugh USA: Arizona near "Yellow Pine Camp", Oak Creek Canyon. A. Nelson & R. A. Nelson 2104 1935-5-24
A: 01724500 Prunus serotina rufula (Wooton & Standley) McVaugh USA: Arizona Queens Canyon near Superior. A. Nelson & R. A. Nelson 1878 1935-5-12
GH: 01724553 Prunus serotina rufula (Wooton & Standley) McVaugh USA: Arizona "Massacre Camp", Mountains near Ruby A. Nelson & R. A. Nelson 1490 1935-4-12
GH: 01556362 Purshia stansburiana (Torrey) Henrickson USA: Arizona between Patagonia and Sonoita. A. Nelson & R. A. Nelson 1577 1935-4-20
GH: 01556363 Purshia stansburiana (Torrey) Henrickson USA: Arizona between Payson and the Tonto Natural Bridge. A. Nelson & R. A. Nelson 1994 1935-5-19
GH: 01603365 Rubus arizonensis Focke USA: Arizona Tonto Natural Bridge A. Nelson & R. A. Nelson 2010 1935-5-19
GH: 01701184 Rubus neomexicanus A. Gray USA: Arizona Oak Creek Canyon. A. Nelson & R. A. Nelson 2115 1935-5-24
Rutaceae GH: 01545866 Ptelea trifoliata Linnaeus USA: Arizona Devils Canyon, Mountains near Superior A. Nelson & R. A. Nelson 1893 1935-5-12
Santalaceae GH: 01932823 Comandra umbellata pallida (A. de Candolle) Piehl USA: Arizona "Oak Flata", mountains between Miami and Sup... A. Nelson & R. A. Nelson 1870 1935-5-12
Sapindaceae GH: 01869685 Dodonaea arizonica A. Nelson USA: Arizona Foothills of the Baboquivari Mtns. A. Nelson & R. A. Nelson 1151 1935-3-13
Saxifragaceae GH: 01735894 Heuchera sanguinea Engelmann USA: Arizona near Massacre Camp, Between Ruby and the Tuc... A. Nelson & R. A. Nelson 1475 1935-4-12
Scrophulariaceae GH: 01842808 Erythranthe rubella (A. Gray) N. S. Fraga USA: Arizona "Massacre Camp", mountains between Ruby and ... A. Nelson & R. A. Nelson 1460 1935-4-11
Solanaceae GH: 01145632 Chamaesaracha coronopus (Dunal) A. Gray USA: Arizona near Montezuma Castle Nat. Monument A. Nelson & R. A. Nelson 2050 1935-5-21
GH: 01145755 Chamaesaracha sordida (Dunal) Gray USA: Arizona Sonoita A. Nelson & R. A. Nelson 1584 1935-4-20
GH: 00939483 Lycium pallidum Miers USA: Arizona near Sonoita A. Nelson & R. A. Nelson 1589 1935-4-20
GH: 01563060 Nicotiana glauca Graham USA: Arizona Yuma desert. A. Nelson & R. A. Nelson 1292 1935-3-26
GH: 01563951 Physalis crassifolia versicolor (Rydberg) Waterfall USA: Arizona between Roosevelt Dam and Tontobasin A. Nelson & R. A. Nelson 1930 1935-5-15
GH: 01542042 Quincula lobata (Torrey) Rafinesque USA: Arizona Papago Ind. Reservation, Between Ajo and Sel... A. Nelson & R. A. Nelson 1361 1935-3-24
GH: 00244992 Solanum umbelliferum Eschscholtz USA: Arizona Central Arizona A. Nelson & R. A. Nelson 1952 1935-5-16
GH: 00244992 Solanum xanti A. Gray USA: Arizona Central Arizona A. Nelson & R. A. Nelson 1952 1935-5-16
Tamaricaceae GH: 01942256 Tamarix gallica Linnaeus USA: Arizona the Gila River, near the Casa Grande ruins A. Nelson & R. A. Nelson 1663 1935-4-27
Verbenaceae GH: 01800330 Glandularia bipinnatifida (Nuttall) Nuttall USA: Arizona Roadsides in the Papago Indian Reservation. A. Nelson & R. A. Nelson 1364 1935-3-31
GH: 01800967 Glandularia gooddingii (Briquet) Solbrig USA: Arizona Roadbanks in Oak Creek Canyon, About five mi... A. Nelson & R. A. Nelson 2082 1935-5-23
GH: 01800965 Glandularia gooddingii (Briquet) Solbrig USA: Arizona "Massacre Camp"; Mountains between Ruby and ... A. Nelson & R. A. Nelson 1476 1935-4-12
Violaceae GH: 02144450 Hybanthus verticillatus (Ortega) Baillon USA: Arizona near Montezuma Castle National Monument. A. Nelson & R. A. Nelson 2049 1935-5-21
GH: 02145719 Viola canadensis Linnaeus USA: Arizona about camp, Indian Gardens, Oak Creek Canyon... A. Nelson & R. A. Nelson 2088 1935-5-23
Vitaceae GH: 01578818 Vitis arizonica Engelmann USA: Arizona Fish Creek, Apache Trail A. Nelson & R. A. Nelson 1935-5-5
Zygophyllaceae GH: 01787748 Fagonia californica Bentham USA: Arizona between Yuma and the Fortuna Mtns. A. Nelson & R. A. Nelson 1935-3-27
GH: 01787752 Fagonia californica Bentham USA: Arizona near Orange Valley Station, 20 miles west of... A. Nelson & R. A. Nelson 1935-3-19
GH: 01787955 Larrea tridentata (de Candolle) Coville USA: Arizona Mohawk Mountains A. Nelson & R. A. Nelson 1935-3-29
