Displaying 1 - 75 out of 122 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Astragalus wittmannii Barneby | R. C. Wittmann 256 | 21 Apr 1979 | United States of America | New Mexico | Mora Co. I-25 mile 395… | — | 01344735 |
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| Polygonum achoreum S.F.Blake | R. C. Wittmann 815 | 10 Aug 1979 | United States of America | Colorado | Boulder Co. Grounds of the… | — | 3140726 |
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| Astragalus wittmannii Barneby | R. C. Wittmann 1573 | 03 May 1981 | United States of America | New Mexico | Colfax Co. Vicinity of the… | — | 01344733 |
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| Astragalus wittmannii Barneby | R. C. Wittmann 1573 | 03 May 1981 | United States of America | New Mexico | Colfax Co. Vicinity of the… | — | 01344734 |
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| Dalea mollissima (Rydb.) Munz | R. C. Wittmann 1898 | 01 Nov 1981 - 10 Nov 1981 | United States of America | Nevada | Clark Co. Lake Mead Natl.… | — | 01270300 |
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| Atriplex polycarpa (Torr.) S.Watson | R. C. Wittmann 1957 | 01 Nov 1981 - 10 Nov 1981 | United States of America | Nevada | Clark Co. Near a dry… | — | 3334937 |
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| Sarcostemma hirtellum (A.Gray) R.W.Holm | R. C. Wittmann 1974 | 01 Nov 1981 - 10 Nov 1981 | United States of America | Arizona | Mohave Co. Along the Kingman… | — | 3537170 |
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| Eriogonum deflexum Torr. var. deflexum | R. C. Wittmann 1926 | 01 Nov 1981 - 10 Nov 1981 | United States of America | Nevada | Clark Co. Lake Mead Natl.… | — | 3076675 |
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| Bebbia juncea (Benth.) Greene | R. C. Wittmann 1900 | 01 Nov 1981 - 10 Nov 1981 | United States of America | Nevada | Clark Co. Lake Mead Natl.… | — | 1924301 |
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| Brickellia incana A.Gray | R. C. Wittmann 1961 | 01 Nov 1981 - 10 Nov 1981 | United States of America | Nevada | Clark Co. Along Nevada 60… | — | 2028885 |
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| Salazaria mexicana Torr. | R. C. Wittmann 1936 | 01 Nov 1981 - 10 Nov 1981 | United States of America | Nevada | Clark Co. From Boulder City… | — | 3093009 |
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| Frasera coloradoensis (C.M.Rogers) D.M.Post | R. C. Wittmann 18153 | 31 May 1991 | United States of America | Colorado | Las Animas Co. 4 miles… | — | 37920 |
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| Penstemon albidus Nutt. | R. C. Wittmann 18155 | 31 May 1991 | United States of America | Colorado | Las Animas Co. 4 miles… | — | 541814 |
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| Symphyotrichum fendleri (A.Gray) G.L.Nesom | R. C. Wittmann 18149 | 5/31/1991 | United States of America | Colorado | Las Animas Co. 4 mi… | — | 1848029 |
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| Eremogone hookeri var. pinetorum (A.Nelson) Dorn | R. C. Wittmann 18137 | 31 May 1991 | United States of America | Colorado | Kit Carson Co. Plains between… | — | 3226271 |
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| Linum pratense (Norton) Small | R. C. Wittmann 18151 | 31 May 1991 | United States of America | Colorado | Las Animas Co. 4 mi… | — | 3726919 |
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| Linum rigidum Pursh | R. C. Wittmann 18138 | 31 May 1991 | United States of America | Colorado | Cheyenne Co. 1 mi N… | — | 3727052 |
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| Cryptantha minima Rydb. | R. C. Wittmann 18140 | 31 May 1991 | United States of America | Colorado | Kiowa Co. on a playa… | — | 3223553 |
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| Lappula marginata (M.Bieb.) Gürke | R. C. Wittmann 18141 | 31 May 1991 | United States of America | Colorado | Kiowa Co. on a playa… | — | 03239294 |
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| Bromus japonicus Thunb. | R. C. Wittmann 18146 | 31 May 1991 | United States of America | Colorado | Kiowa Co. ca. 11 mi.… | — | 1318488 |
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| Delphinium wootonii Rydb. | R. C. Wittmann 18147 | 31 May 1991 | United States of America | Colorado | Las Animas Co. 4 mi… | — | 2752474 |
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| Evax prolifera Nutt. ex DC. | R. C. Wittmann 18144 | 31 May 1991 | United States of America | Colorado | Kiowa Co. ca. 11 mi… | — | 2871783 |
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| Hymenopappus filifolius var. cinereus (Rydb.) I.M.Johnst. | R. C. Wittmann 18150 | 31 May 1991 | United States of America | Colorado | Las Animas Co. 4 mi… | — | 2915513 |
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| Hymenopappus flavescens A.Gray | R. C. Wittmann 18160 | 31 May 1991 | United States of America | Colorado | Baca Co. 6 mi N… | — | 2916152 |
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| Hymenoxys acaulis var. acaulis | R. C. Wittmann 18159 | 31 May 1991 | United States of America | Colorado | Las Animas Co. 4 mi… | — | 2916809 |
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| Eriogonum lachnogynum Torr. ex Benth. | R. C. Wittmann 18148 | 31 May 1991 | United States of America | Colorado | Las Animas Co. 4 mi… | — | 3102770 |
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| Baccharis wrightii A.Gray | R. C. Wittmann 18165 | 01 Jun 1991 | United States of America | Colorado | Baca Co. Sides and bottom… | — | 1900344 |
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| Carex gravida L.H.Bailey | R. C. Wittmann 18167 | 01 Jun 1991 | United States of America | Colorado | Baca Co. Sides and bottom… | — | 2278726 |
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| Sapindus drummondii Hook. & Arn. | R. C. Wittmann 18163 | 01 Jun 1991 | United States of America | Colorado | Baca Co. Sides and bottom… | — | 2491166 |
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| Guilleminea densa (Humb. & Bonpl. ex Schult.) Moq. | R. C. Wittmann 18168 | 01 Jun 1991 | United States of America | Colorado | Baca Co. Sides and bottom… | — | 3369801 |
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| Woodsia mexicana Fée | R. C. Wittmann 18178 | 01 Jun 1991 | United States of America | Colorado | Baca Co. Side of Gallinas… | — | 3810346 |
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| Sophora nuttalliana B.L.Turner | R. C. Wittmann 18175 | 01 Jun 1991 | United States of America | Colorado | Baca Co. Sides and bottom… | — | 2628441 |
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| Prosopis glandulosa Torr. var. glandulosa | R. C. Wittmann 18182 | 01 Jun 1991 | United States of America | Oklahoma | Cimarron Co. Very abundant south… | — | 2717919 |
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| Amaranthus albus L. | R. C. Wittmann 18223 | 12 Jul 1991 | United States of America | Colorado | Baca Co. Sandy fields S… | — | 3363212 |
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| Lemna minuscula Herter | R. C. Wittmann 18311 | 13 Jul 1991 | United States of America | Colorado | Baca Co. Breaks of Picture… | — | 03700266 |
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| Eragrostis minor Host | R. C. Wittmann 18391 | 06 Sep 1991 | United States of America | Colorado | Baca Co. Springfield | — | 1699138 |
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| Eragrostis trichodes (Nutt.) Alph.Wood | R. C. Wittmann 18388 | 06 Sep 1991 | United States of America | Colorado | Las Animas Co. Corner of… | — | 1701132 |
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| Symphyotrichum fendleri (A.Gray) G.L.Nesom | R. C. Wittmann 18382 | 9/6/1991 | United States of America | Colorado | Las Animas Co. 4 mi… | — | 1848028 |
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| Ambrosia acanthicarpa Hook. | R. C. Wittmann 18387 | 06 Sep 1991 | United States of America | Colorado | Las Animas Co. Corner of… | — | 1877467 |
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| Artemisia campestris var. caudata (Michx.) E.J.Palmer & Steyerm. | R. C. Wittmann 18389 | 06 Sep 1991 | United States of America | Colorado | Las Animas Co. Corner of… | — | 1893082 |
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| Mirabilis glabra (S.Watson) Standl. | R. C. Wittmann 18386 | 06 Sep 1991 | United States of America | Colorado | Las Animas Co. Corner of… | — | 3375989 |
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| Chloris virgata Sw. | R. C. Wittmann 18393 | 06 Sep 1991 | United States of America | Colorado | Baca Co. | — | 1649997 |
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| Eriogonum lonchophyllum Torr. & A.Gray | R. C. Wittmann 18384 | 06 Sep 1991 | United States of America | Colorado | Las Animas Co. 4 mi… | — | 3103087 |
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| Solanum elaeagnifolium Cav. | R. C. Wittmann 18438 | 07 Sep 1991 | United States of America | Colorado | Baca Co. North of Picture… | — | 00827153 |
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| Chenopodium berlandieri Moq. | R. C. Wittmann 18413 | 07 Sep 1991 | United States of America | Colorado | Baca Co. S of Pritchett… | — | 990856 |
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| Eragrostis secundiflora J.Presl | R. C. Wittmann 18422 | 07 Sep 1991 | United States of America | Colorado | Baca Co. S of Pritchett… | — | 1700425 |
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| Bouteloua eriopoda (Torr.) Torr. | R. C. Wittmann 18419 | 07 Sep 1991 | United States of America | Colorado | Baca Co. S of Pritchett… | — | 1643347 |
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| Muhlenbergia phleoides (Kunth) Columbus | R. C. Wittmann 18423 | 9/7/1991 | United States of America | Colorado | Baca Co. S of Pritchett;… | — | 1740792 |
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| Sporobolus giganteus Nash | R. C. Wittmann 18435 | 07 Sep 1991 | United States of America | Colorado | Baca Co. Picture Canyon. In… | — | 1827940 |
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| Sporobolus | R. C. Wittmann 18394 | 07 Sep 1991 | United States of America | Colorado | Baca Co. 4.5 mi E… | — | 1828889 |
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| Symphyotrichum ericoides (L.) G.L.Nesom | R. C. Wittmann 18399 | 07 Sep 1991 | United States of America | Colorado | Baca Co. 4.5 mi E… | — | 1847403 |
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| Ambrosia grayi (A.Nelson) Shinners | R. C. Wittmann 18450 | 07 Sep 1991 | United States of America | Colorado | Baca Co. Roadside, Road 13,… | — | 1883918 |
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| Artemisia carruthii Alph.Wood ex Carruth. | R. C. Wittmann 18410 | 07 Sep 1991 | United States of America | Colorado | Baca Co. 0.4 mi N… | — | 1893581 |
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| Bidens bigelovii A.Gray ex Torr. | R. C. Wittmann 18459 | 07 Sep 1991 | United States of America | Colorado | Baca Co. Carrizo Creek, in… | — | 1925113 |
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| Bidens cernua L. | R. C. Wittmann 18451 | 07 Sep 1991 | United States of America | Colorado | Baca Co. Road M, W… | — | 1925584 |
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| Chrysothamnus nauseosus (Pall.) Britton subsp. nauseosus | R. C. Wittmann 18396 | 07 Sep 1991 | United States of America | Colorado | Baca Co. 4.5 mi E… | — | 02039424 |
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| Solidago mollis Bartl. | R. C. Wittmann 18404 | 07 Sep 1991 | United States of America | Colorado | Baca Co. 1 mi E… | — | 2354556 |
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| Persicaria bicornis (Raf.) Nieuwl. | R. C. Wittmann 18408 | 07 Sep 1991 | United States of America | Colorado | Baca Co. 1 mi E… | — | 3156949 |
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| Chenopodium simplex (Torr.) Raf. | R. C. Wittmann 18449A | 07 Sep 1991 | United States of America | Colorado | Baca Co. Picture Canyon. At… | — | 3347004 |
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| Corispermum americanum (Nutt.) Nutt. | R. C. Wittmann 18414 | 07 Sep 1991 | United States of America | Colorado | Baca Co. S of Pritchett… | — | 3347345 |
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| Froelichia gracilis (Hook.) Moq. | R. C. Wittmann 18418 | 07 Sep 1991 | United States of America | Colorado | Baca Co. S of Pritchett… | — | 3369534 |
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| Mirabilis albida (Walter) Heimerl | R. C. Wittmann 18427 | 07 Sep 1991 | United States of America | Colorado | Baca Co. S of Pritchett… | — | 3375796 |
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| Lemna minuta Kunth | R. C. Wittmann 18441 | 07 Sep 1991 | United States of America | Colorado | Baca Co. Picture Canyon, in… | — | 3700277 |
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| Lobelia cardinalis L. | R. C. Wittmann 18446 | 07 Sep 1991 | United States of America | Colorado | Baca Co. Picture Canyon | — | 3747016 |
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| Euphorbia glyptosperma Engelm. | R. C. Wittmann 18401 | 07 Sep 1991 | United States of America | Colorado | Baca Co. 4.5 mi E… | — | 4003151 |
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| Muhlenbergia racemosa (Michx.) Britton, Sterns & Poggenb. | R. C. Wittmann 18433 | 07 Sep 1991 | United States of America | Colorado | Baca Co. Base of cliffs… | — | 1741184 |
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| Aristida divaricata Humb. & Bonpl. ex Willd. | R. C. Wittmann 18417 | 07 Sep 1991 | United States of America | Colorado | Baca Co. S of Pritchett… | — | 1474034 |
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| Brickellia | R. C. Wittmann 18397 | 07 Sep 1991 | United States of America | Colorado | Baca Co. 4.5 mi E… | — | 2029648 |
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| Grindelia inornata Greene | R. C. Wittmann 18398 | 07 Sep 1991 | United States of America | Colorado | Baca Co. 4.5 mi E… | — | 2876542 |
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| Heterotheca subaxillaris (Lam.) Britton & Rusby | R. C. Wittmann 18429A | 07 Sep 1991 | United States of America | Colorado | Baca Co. S of Pritchett… | — | 2906624 |
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| Palafoxia rosea (Bush) Cory var. rosea | R. C. Wittmann 18411 | 07 Sep 1991 | United States of America | Colorado | Baca Co. S of Pritchett… | — | 3126190 |
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| Amaranthus palmeri S.Watson | R. C. Wittmann 18465 | 08 Sep 1991 | United States of America | Colorado | Prowers Co. 0.5 mi N… | — | 3364296 |
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| Helianthus maximiliani Schrad. | R. C. Wittmann 18464 | 08 Sep 1991 | United States of America | Colorado | Prowers Co. 0.5 mi N… | — | 2892132 |
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| Muhlenbergia schreberi J.F.Gmel. | R. C. Wittmann s.n. | 14 Sep 1991 | United States of America | Colorado | Boulder Co. A contaminant in… | — | 1741669 |
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| Psora icterica (Mont.) Müll.Arg. | W. A. Weber | R. C. Wittmann L89188 | 24 May 1993 | United States of America | Colorado | Baca Co. Carrizo Creek drainage;… | — | 954406 |