Displaying 1 - 25 out of 147 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Penstemon campanulatus subsp. chihuahuensis Straw | J. Spencer 504 | 10 Jul 1997 | Mexico | Chihuahua | On top of grade 15… | — |
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| Penstemon campanulatus subsp. chihuahuensis Straw | J. Spencer 611 | 11 Jul 1997 | Mexico | Chihuahua | At Cueva de la Olla,… | — |
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| Pinus leiophylla Schiede ex Schltdl. & Cham. var. leiophylla | J. Spencer 1050 | 23 Sep 1998 | Mexico | Chihuahua | 13 miles W from Mata… | — | ||||
| 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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| Muhlenbergia emersleyi Vasey | J. Spencer 987 | 23 Sep 1998 | Mexico | Chihuahua | 7 mi. up grade from… | — |
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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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| Chilopsis linearis (Cav.) Sweet | J. Spencer 427 | 10 Jul 1997 | Mexico | Chihuahua | At base of the foothills… | — |
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| Mimosa biuncifera Benth. | J. Spencer 900 | 22 Sep 1998 | Mexico | Chihuahua | Up Piedras Verdes river. Ca… | — |
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| Dalea formosa Torr. | J. Spencer 682 | 08 Jun 1998 | Mexico | Chihuahua | 29 + mi up Tinaja… | — |
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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 albiflora A.Gray | J. Spencer 906 | 22 Sep 1998 | Mexico | Chihuahua | Up Piedras Verdes River ca.… | — |
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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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| Dalea filiformis A.Gray | J. Spencer 1029 | 23 Sep 1998 | Mexico | Chihuahua | 13 mi W from Mata… | — |
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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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| Machaeranthera tephrodes (A.Gray) Greene | J. Spencer 887 | 22 Sep 1998 | Mexico | Chihuahua | Along Pedras Verdes River,. Ca.… | — |
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| Penstemon rydbergii var. aggregatus (Pennell) N.H.Holmgren | J. Spencer 864 | 26 Aug 1998 | United States of America | Utah | Juab Co. Andrews Ridge Trail… | — |
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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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| Isatis tinctoria L. | J. Spencer 1500 | 06 Jun 2000 | United States of America | Utah | Summit Co. Ca. 2.5 miles… | — |
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| Persicaria maculosa Gray | J. Spencer 1525 | 10 Aug 2000 | United States of America | Utah | Weber Co. 4600 S. 6300… | — |
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| Lepidium montanum var. jonesii (Rydb.) C.L.Hitchc. | J. Spencer 1495 | 03 May 2000 | United States of America | Utah | Grand Co. Spanish Valley; 6-7… | — |
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| Lythrum salicaria L. | J. Spencer 1566 | 10 Aug 2000 | United States of America | Utah | Weber Co. Willard Bay State… | — |
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| Penstemon eatonii A.Gray var. eatonii | J. Spencer 720 | 28 Jul 1998 | United States of America | Utah | Utah Co. Uintah National Forest… | — |
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