Displaying 1 - 50 out of 147 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Achnatherum pinetorum (M.E.Jones) Barkworth | J. Spencer 840 | 20 Aug 1998 | United States of America | Utah | Utah Co. Below cliffs of… | — |
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| Actaea rubra (Aiton) Willd. | J. Spencer 721 | 28 Jul 1998 | United States of America | Utah | Utah Co. Uintah National Forest… | — |
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| Aegopogon cenchroides Humb. & Bonpl. ex Willd. | J. Spencer 1057 | 23 Sep 1998 | Mexico | Chihuahua | 20 mi W from Mata… | — |
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| Aegopogon tenellus (DC.) Trin. | J. Spencer 1209 | 25 Sep 1998 | Mexico | Chihuahua | 17 mi up Tinaja Wash… | — |
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| Agrostis exarata Trin. | J. Spencer 687 | 08 Jun 1998 | Mexico | Chihuahua | 3 mi E. of Rancho… | — |
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| Amaranthus retroflexus L. | J. Spencer 1514 | 10 Aug 2000 | United States of America | Utah | Weber Co. Hooper | — |
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| Ambrosia psilostachya DC. | J. Spencer 1516 | 10 Aug 2000 | United States of America | Utah | Weber Co. 4600 S. 6300… | — |
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| Anemone multifida Poir. | J. Spencer 817 | 19 Aug 1998 | United States of America | Utah | Utah/Juab County: along ridgeline of… | — |
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| Anemone multifida Poir. | J. Spencer 853 | 25 Aug 1998 | United States of America | Utah | Juab Co. In the Mount… | — |
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| Antennaria umbrinella Rydb. | J. Spencer 833 | 19 Aug 1998 | United States of America | Utah | Juab Co. Utah/Juab Co.; Along… | — |
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| Anticlea elegans (Pursh) Rydb. | J. Spencer 794 | 11 Aug 1998 | United States of America | Utah | Utah Co. E facing avalanche… | — |
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| Aquilegia formosa Fisch. ex DC. | J. Spencer 767 | 04 Aug 1998 | United States of America | Utah | Juab Co. Ca. 2.5 miles… | — |
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| Aquilegia scopulorum Tidestr. | J. Spencer 852 | 25 Aug 1998 | United States of America | Utah | Juab Co. On the south… | — |
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| Arabis drummondii A.Gray | J. Spencer 869 | 27 Aug 1998 | United States of America | Utah | Juab Co. Andrews Ridge Trail… | — |
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| Arbutus xalapensis (Benth.) Kunth | J. Spencer 585 | 11 Jul 1997 | Mexico | Chihuahua | 10 mi. NW of Pacheco/Willy… | — |
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| Arctostaphylos pungens Kunth | J. Spencer 348 | 07 Jul 1997 | Mexico | Sonora | Sonora/Chihuahua border. In foothills of… | — |
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| Arnica cordifolia Hook. | J. Spencer 838 | 19 Aug 1998 | United States of America | Utah | Utah Co. On North Peak… | — |
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| Arrhenatherum elatius (L.) P.Beauv. ex J.Presl & C.Presl | J. Spencer 739 | 29 Jul 1998 | United States of America | Utah | Juab Co. 1.6 miles up… | — |
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| Artemisia dracunculus L. | J. Spencer 839 | 20 Aug 1998 | United States of America | Utah | Utah Co. Below cliffs of… | — |
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| Artemisia spiciformis Osterh. | J. Spencer 834 | 19 Aug 1998 | United States of America | Utah | Juab Co. Utah/Juab Co.; Along… | — |
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| Astragalus cicer L. | J. Spencer 766 | 4 Aug 1998 | United States of America | Utah | Juab co. Ca. 2.5 miles… | — |
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| Astragalus humistratus A.Gray var. humistratus | J. Spencer 73 | 05 Apr 1997 | United States of America | New Mexico | Grant Co. 18 m S… | — |
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| Astragalus iselyi S.L.Welsh | J. Spencer 1367 | 2 Apr 1999 | United States of America | Utah | San Juan Co. Ca. 13… | — |
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| Astragalus lentiginosus var. palans (M.E.Jones) M.E.Jones | J. Spencer 1487 | 03 May 2000 | United States of America | Utah | Grand Co. Spanish Valley; 4.5… | — |
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| Astragalus longissimus (M.E.Jones) Barneby | J. Spencer 560 | 10 Jul 1997 | Mexico | Chihuahua | 4 mi NW of Pacheco/Willy… | — |
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| Astragalus mollissimus Torr. var. mollissimus | J. Spencer 83 | 05 Apr 1997 | United States of America | New Mexico | Catron Co. N of Riverside… | — |
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| Astragalus nuttallianus var. austrinus (Small) Barneby | J. Spencer 79 | 05 Apr 1997 | United States of America | New Mexico | Grant Co. At Mangus NM… | — |
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| Astragalus wootonii E.Sheld. var. wootonii | J. Spencer 9 | 03 Apr 1997 | Mexico | Chihuahua | 6.3 mi. S. of Palomas… | — |
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| Atriplex prostrata Boucher ex DC. | J. Spencer 1477 | 10 Sep 1999 | United States of America | Utah | San Juan Co. Monticello, Utah.… | — |
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| Berula erecta (Huds.) Coville | J. Spencer 1553 | 10 Aug 2000 | United States of America | Utah | Weber Co. 2550 S. 5100… | — |
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| Betula occidentalis Hook. | J. Spencer 1381 | 15 Jul 1999 | United States of America | Utah | Duchesne Co. Ca. 1 mile… | — |
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| Carex occidentalis L.H.Bailey | J. Spencer 744 | 29 Jul 1998 | United States of America | Utah | Juab Co. 2.5 mi. up… | — |
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| Castilleja sulphurea Rydb. | J. Spencer 747 | 29 Jul 1998 | United States of America | Utah | Juab Co. 2.5 mi. up… | — |
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| Ceanothus velutinus Douglas ex Hook. | J. Spencer 781 | 04 Aug 1998 | United States of America | Utah | Juab Co. Ca. 2.5 miles… | — |
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| Chaenactis alpina (A.Gray) M.E.Jones | J. Spencer 831 | 19 Aug 1998 | United States of America | Utah | Utah/Juab Co.; Along ridgeline of… | — |
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| Chamaesyce fendleri (Torr. & A.Gray) Small | J. Spencer 1496 | 03 May 2000 | United States of America | Utah | Grand Co. Spanish Valley; 6-7… | — |
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| Chamaesyce glyptosperma (Engelm.) Small | J. Spencer 1531 | 10 Aug 2000 | United States of America | Utah | Weber Co. 4600 S. 6300… | — |
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| Chenopodium rubrum L. | J. Spencer 1534 | 10 Aug 2000 | United States of America | Utah | Weber Co. Hooper, Utah. 4600… | — |
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| Chilopsis linearis (Cav.) Sweet | J. Spencer 427 | 10 Jul 1997 | Mexico | Chihuahua | At base of the foothills… | — |
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| Cleome serrulata Pursh | J. Spencer 1538 | 10 Aug 2000 | United States of America | Utah | Weber Co. Hooper. 4600 S.… | — |
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| Collomia debilis (S.Watson) Greene | J. Spencer 755 | 30 Jul 1998 | United States of America | Utah | Juab Co. On North Rim… | — |
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| Crataegus douglasii Lindl. | J. Spencer 1374 | 15 Jul 1999 | United States of America | Utah | Duchesne Co. Ca. 1 mile… | — |
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| Cryptantha flava (A.Nelson) Payson | J. Spencer 1494 | 03 May 2000 | United States of America | Utah | Grand Co. Spanish Valley; 6-7… | — |
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| Cuscuta indecora Choisy | J. Spencer 1560 | 10 Aug 2000 | United States of America | Utah | Weber Co. Willard Bay State… | — |
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| Cynodon dactylon (L.) Pers. | J. Spencer 1535 | 10 Aug 2000 | United States of America | Utah | Weber Co. Hooper, 4600 S.… | — |
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| Dalea albiflora A.Gray | J. Spencer 906 | 22 Sep 1998 | Mexico | Chihuahua | Up Piedras Verdes River ca.… | — |
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| Dalea candida var. oligophylla (Torr.) Shinners | J. Spencer 642 | 11 Jul 1997 | Mexico | Chihuahua | At Seven Chih., on road… | — |
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| Dalea filiformis A.Gray | J. Spencer 1029 | 23 Sep 1998 | Mexico | Chihuahua | 13 mi W from Mata… | — |
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| Dalea formosa Torr. | J. Spencer 682 | 08 Jun 1998 | Mexico | Chihuahua | 29 + mi up Tinaja… | — |
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| Datura wrightii Regel | S. L. Welsh | N. D. Atwood | J. Spencer 27821 | 29 Aug 2000 | United States of America | Utah | Kane Co. Three Lakes Canyon | — |
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