Displaying 1 - 75 out of 111 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Abies concolor (Gordon) Lindl. ex Hildebr. | J. D. Armstrong 254 | 09 Jul 1966 | United States of America | Nevada | Clark Co. 4 miles southwest… | — | 29169 |
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| Acacia greggii A.Gray | J. D. Armstrong 31 | 18 Jun 1966 | United States of America | Nevada | Clark Co. Virgin Mountains; Cabin… | — | 2716613 |
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| Achnatherum pinetorum (M.E.Jones) Barkworth | J. D. Armstrong 810 | 18 May 1968 | United States of America | Nevada | Clark Co. Cabin Canyon. | — | 1553760 |
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| Acourtia wrightii (A.Gray) Reveal & R.M.King | J. D. Armstrong 929 | 27 Apr 1968 | United States of America | Arizona | Mohave Co. Virgin Mountains, Vicinity… | — | 01213922 |
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| Agoseris parviflora (Nutt.) D.Dietr. | J. D. Armstrong 559 | 27 May 1967 | United States of America | Nevada | Clark Co. Virgin Mountains; North… | — | 1877125 |
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| Agropyron desertorum (Fisch. ex Link) Schult. | J. D. Armstrong 808 | 04 Jun 1968 | United States of America | Arizona | Mohave Co. Plants of the… | — | 1554367 |
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| Ambrosia eriocentra (A.Gray) W.W.Payne | J. D. Armstrong 814 | 12 Apr 1968 | United States of America | Nevada | The Gap, North Fork Creek | — | 1883872 |
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| Ambrosia eriocentra (A.Gray) W.W.Payne | J. D. Armstrong 581 | 13 Apr 1968 | United States of America | Nevada | Clark Co. Quail Point | — | 1883873 |
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| Amelanchier utahensis Koehne | J. D. Armstrong 679 | 28 Apr 1968 | United States of America | Nevada | Clark Co. Nay Canyon | — | 02732352 |
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| Amphipappus fremontii Torr. & A.Gray ex A.Gray | J. D. Armstrong 472 | 15 Mar 1968 | United States of America | Nevada | Clark Co. Seven and one-half… | — | 1884637 |
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| Aquilegia shockleyi Eastw. | J. D. Armstrong 262 | 30 Jul 1966 | United States of America | Nevada | Clark Co. Big Spring #2 | — | 2743241 |
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| Arabis fendleri (S.Watson) Greene | J. D. Armstrong 856 | 28 Apr 1968 | United States of America | Nevada | Clark Co. Virgin Mountains; Nay… | — | 3154152 |
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| Arctostaphylos pungens Kunth | J. D. Armstrong 746 | 17 Mar 1968 | United States of America | Arizona | Mohave Co. Lime Kiln Canyon. | — | 223291 |
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| Arctostaphylos pungens Kunth | J. D. Armstrong 1027 | 04 Jun 1968 | United States of America | Arizona | Mohave Co. Lime Kiln Canyon. | — | 223299 |
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| Artemisia tridentata subsp. vaseyana (Rydb.) Beetle | J. D. Armstrong 245 | 25 Sep 1966 | United States of America | Nevada | Clark Co. Big Spring summit. | — | 1897314 |
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| Astragalus amphioxys A.Gray var. amphioxys | J. D. Armstrong 1067 | 17 Mar 1968 | United States of America | Arizona | Mohave Co. Lime Kiln Canyon | — | 01215686 |
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| Astragalus eremiticus E.Sheld. | J. D. Armstrong 1041 | 13 Apr 1968 | United States of America | Arizona | Mohave Co. East side of… | — | 01249007 |
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| Avena fatua L. | J. D. Armstrong 678 | 28 April 1968 | United States of America | Nevada | Clark Co. Three miles northwest… | — | 1634797 |
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| Baccharis glutinosa Pers. | J. D. Armstrong 143 | 18 Jun 1966 | United States of America | Nevada | Clark Co. Cabin Canyon | — | 1899339 |
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| Baccharis glutinosa Pers. | J. D. Armstrong 323 | 02 Dec 1967 | United States of America | Nevada | Clark Co. Virgin Mountains; three… | — | 1899338 |
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| Castilleja chromosa A.Nelson | J. D. Armstrong 645 | 16 Mar 1968 | United States of America | Nevada | Clark Co. Whitney Pass. | — | 02311731 |
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| Castilleja linariifolia Benth. | J. D. Armstrong 266 | 09 Jul 1966 | United States of America | Nevada | Clark Co. East slope, North… | — | 02311765 |
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| Ceanothus greggii A.Gray | J. D. Armstrong 747 | 17 Mar 1968 | United States of America | Arizona | Mohave Co. Lime Kiln Canyon. | — | 02851072 |
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| Ceanothus greggii A.Gray | J. D. Armstrong 874 | 23 Mar 1968 | United States of America | Arizona | Mohave Co. Lime Kiln Canyon. | — | 02851073 |
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| Ceanothus greggii A.Gray | J. D. Armstrong 872 | 04 Jun 1968 | United States of America | Nevada | Clark Co. Cabin Canyon | — | 3752536 |
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| Chilopsis linearis (Cav.) Sweet | J. D. Armstrong 293 | 26 May 1967 | United States of America | Nevada | Clark Co. Cabin Canyon | — | 2584452 |
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| Collinsia parviflora Douglas ex Lindl. | J. D. Armstrong 1171 | 18 May 1968 | United States of America | Nevada | Clark Co. Virgin Mountains; Big… | — | 3274538 |
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| Comandra umbellata var. pallida (A.DC.) M.E.Jones | J. D. Armstrong 1080 | 28 Apr 1968 | United States of America | Nevada | Clark Co. Nay Canyon | — | 3885440 |
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| Cryptantha barbigera (A.Gray) Greene | J. D. Armstrong 1116 | 12 Apr 1968 | United States of America | Nevada | Clark Co. Virgin Mountains; North… | — | 3213669 |
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| Cryptantha confertiflora (Greene) Payson | J. D. Armstrong 1091 | 27 Apr 1968 | United States of America | Arizona | Mohave Co. Jacob's Ranch | — | 3222069 |
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| Cryptantha confertiflora (Greene) Payson | J. D. Armstrong 1087 | 28 Apr 1968 | United States of America | Nevada | Clark Co. Virgin Mountains; Nay… | — | 3222083 |
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| Cryptantha tumulosa (Payson) Payson | J. D. Armstrong 1090 | 16 Mar 1968 | United States of America | Nevada | Clark Co. Virgin Mountains; two… | — | 3224881 |
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| Cupressus glabra Sudw. | J. D. Armstrong s.n. | 19 May 1968 | United States of America | Nevada | Clark Co. Cabin Springs | — | 16552 | ||
| Cymopterus multinervatus (J.M.Coult. & Rose) Tidestr. | J. D. Armstrong 826 | 27 Apr 1968 | United States of America | Arizona | Mohave Co. One mile SE… | — | 02911838 |
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| Cymopterus terebinthinus (Hook.) Torr. & A.Gray | J. D. Armstrong 815 | 12 Apr 1968 | United States of America | Nevada | Clark Co. Virgin Mountains; North… | — | 3456949 |
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| Delphinium parishii A.Gray subsp. parishii | J. D. Armstrong 779 | 13 Apr 1968 | United States of America | Nevada | Clark Co. Virgin Mountains; one… | — | 2751634 |
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| Delphinium scaposum Greene | J. D. Armstrong 633 | 18 May 1968 | United States of America | Nevada | Clark Co. Cabin Canyon | — | 849350 |
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| Descurainia pinnata subsp. glabra (Wooton & Standl.) Detling | J. D. Armstrong 578 | 13 Apr 1968 | United States of America | Nevada | Clark Co. Virgin Mountains; Quail… | — | 3182805 |
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| Eleocharis parishii Britton | J. D. Armstrong 216 | 28 Apr 1968 | United States of America | Nevada | Clark Co. Virgin Mountains; Juanita… | — | 2826118 |
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| Elymus elymoides (Raf.) Swezey | J. D. Armstrong 805 | 19 May 1968 | United States of America | Nevada | Clark Co. Virgin Mountains; Cabin… | — | 1655244 |
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| Ephedra nevadensis S.Watson | J. D. Armstrong 585 | 13 Apr 1968 | United States of America | Nevada | Clark Co. Virgin Mountains: Quail… | — | 70238 |
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| Ephedra trifurca Torr. ex S.Watson | J. D. Armstrong 550 | 16 Mar 1968 | United States of America | Nevada | Clark Co. Virgin Mountains | — | 70591 |
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| Epilobium canum subsp. garrettii (A.Nelson) P.H.Raven | J. D. Armstrong 149 | 14 Aug 1966 | United States of America | Nevada | Clark Co. Virgin Mountains; Cabin… | — | 3287631 |
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| Eremogone macradenia (S.Watson) Ikonn. var. macradenia | J. D. Armstrong 730 | 09 Jul 1966 | United States of America | Nevada | Clark Co. Virgin Mountains. One… | — | 01083869 |
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| Eremogone macradenia (S.Watson) Ikonn. var. macradenia | J. D. Armstrong 1070 | 04 Jun 1968 | United States of America | Arizona | Mohave Co. Lime Kiln Canyon | — | 3226378 |
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| Ericameria linearifolia (DC.) Urbatsch & Wussow | J. D. Armstrong 693 | 19 May 1968 | United States of America | Nevada | Clark Co. The Virgin Mountains.… | — | 2075972 |
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| Ericameria linearifolia (DC.) Urbatsch & Wussow | J. D. Armstrong s.n. | 29 Apr 1967 | United States of America | Nevada | Clark Co. Cabin Canyon. | — | 2075973 |
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| Erodium cicutarium (L.) L'Hér. ex Aiton | J. D. Armstrong 577 | 13 Apr 1968 | United States of America | Nevada | Clark Co. Virgin Mountains; Quail… | — | 3712229 |
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| Eucnide urens Parry | J. D. Armstrong 153 | 12 Apr 1968 | United States of America | Nevada | Clark Co. Two miles north… | — | 02490834 |
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| Fallugia paradoxa (D.Don) Endl. ex Torr. | J. D. Armstrong 1000 | 19 Apr 1968 | United States of America | Nevada | Clark Co. Virgin Mountains; Cabin… | — | 2798585 |
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| Frasera speciosa Douglas ex Griseb. | J. D. Armstrong 257 | 09 Jul 1966 | United States of America | Nevada | Clark Co. East slope of… | — | 188620 |
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| Fraxinus anomala Torr. ex S.Watson | J. D. Armstrong 884 | 13 Apr 1968 | United States of America | Arizona | Mohave Co. East side of… | — | 2500252 |
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| Fraxinus anomala Torr. ex S.Watson | J. D. Armstrong 1025 | 04 Jun 1968 | United States of America | Arizona | Mohave Co. Lime Kiln Canyon | — | 2500253 |
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| Fraxinus anomala Torr. ex S.Watson | J. D. Armstrong 828 | 27 Apr 1968 | United States of America | Arizona | Mohave Co. One mile southeast… | — | 2500263 |
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| Garrya flavescens S.Watson | J. D. Armstrong 235 | 18 Feb 1966 | United States of America | Nevada | Clark Co. Cabin Canyon | — | 3938357 |
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| Grindelia squarrosa var. serrulata (Rydb.) Steyerm. | J. D. Armstrong 280 | 10 Jul 1966 | United States of America | Nevada | Clark Co. Virgin Mountains; Mica… | — | 2877300 |
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| Hesperostipa neomexicana (Thurb.) Barkworth | J. D. Armstrong 807 | 04 Jun 1968 | United States of America | Arizona | Mohave Co. Lime Kiln Canyon | — | 1727529 |
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| Hymenoxys acaulis var. arizonica (Greene) K.F.Parker | J. D. Armstrong 732 | 13 Mar 1967 | United States of America | Arizona | Mohave Co. South side of… | — | 3080544 |
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| Juncus arcticus subsp. littoralis (Engelm.) Hultén | J. D. Armstrong 210 | 13 Apr 1968 | United States of America | Nevada | Clark Co. The Virgin Mountains.… | — | 2377398 |
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| Krascheninnikovia lanata (Pursh) A.Meeuse & A.Smit var. lanata | J. D. Armstrong 575 | 13 Apr 1968 | United States of America | Nevada | Clark Co. Virgin Mountains; Quail… | — | 3348611 |
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| Larrea divaricata Cav. | J. D. Armstrong 99 | 08 Apr 1967 | United States of America | Nevada | Clark Co. Virgin Mountains; three… | — | 3696019 |
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| Lepidium lasiocarpum Nutt. ex Torr. & A.Gray | J. D. Armstrong 411 | 15 Mar 1968 | United States of America | Nevada | Clark Co. Virgin Mountains; seven… | — | 3178859 |
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| Lepidium montanum var. glabrum C.L.Hitchc. | J. D. Armstrong 1187 | 27 Apr 1968 | United States of America | Arizona | Mohave Co. Plants of the… | — | 76384 |
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| Lepidium montanum var. glabrum C.L.Hitchc. | J. D. Armstrong 1187 | 27 Apr 1968 | United States of America | Arizona | Mohave Co. 1/2 mile northeast… | — | 76509 |
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| Leptosiphon nuttallii subsp. nuttallii | J. D. Armstrong 1201 | 18 May 1968 | United States of America | Nevada | Clark Co. Virgin Mountains; Cabin… | — | 3325748 |
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| Lomatium foeniculaceum var. macdougalii (J.M.Coult. & Rose) Cronquist | J. D. Armstrong 735 | 18 May 1968 | United States of America | Nevada | Clark Co. Virgin Mountains; Big… | — | 03486858 |
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| Lupinus argenteus var. palmeri (S.Watson) Barneby | J. D. Armstrong 1048 | 13 May 1967 | United States of America | Nevada | Clark Co. The Virgin Mountains.… | — | 02588066 |
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| Lupinus argenteus var. palmeri (S.Watson) Barneby | J. D. Armstrong 1047 | 18 May 1968 | United States of America | Nevada | Clark Co. The Virgin Mountains.… | — | 02588067 |
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| Lycium pallidum Miers | J. D. Armstrong 546 | 15 May 1968 | United States of America | Nevada | Clark Co. Virgin Mountains; one… | — | 1411805 |
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| Machaeranthera asteroides var. glandulosa B.L.Turner | J. D. Armstrong 1214 | 28 Apr 1968 | United States of America | Nevada | Clark Co. Virgin Mountains; Nay… | — | 3045962 |
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| Mahonia repens (Lindl.) G.Don | J. D. Armstrong 705 | 09 Jul 1966 | United States of America | Nevada | Clark Co. Virgin Mountains; one… | — | 3840665 |
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| Malacothrix glabrata (A.Gray ex D.C. Eaton) A.Gray | J. D. Armstrong 1146 | 17 Mar 1968 | United States of America | Nevada | Clark Co. Virgin Mountains; Cabin… | — | 3078555 |
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| Melilotus indicus (L.) All. | J. D. Armstrong 1022 | 13 Apr 1968 | United States of America | Nevada | Clark Co. Virgin Mountains; Juanita… | — | 2616010 |
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| Mentzelia integra (M.E.Jones) Tidestr. | J. D. Armstrong 105 | 26 May 1987 | United States of America | Nevada | Clark Co. Virgin Mountains, Cabin… | — | 39765 |
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| Monardella odoratissima Benth. | J. D. Armstrong 709 | 09 Jul 1966 | United States of America | Nevada | Clark Co. Virgin Mountains; one… | — | 3062814 |
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