Displaying 1 - 50 out of 64 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Vitex divaricata var. cubensis Urb. | R. E. Coombs 203 | 18 Jun 1895 | Cuba | Villa Clara | District of Cienfuegos. Cieneguita. | syntype | 688991 |
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| Equisetum laevigatum A.Braun | R. E. Coombs 2728 | 29 Aug 1973 | United States of America | Arizona | Mohave Co. Cane Spring, Mud… | — | 3511456 |
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| Machaeranthera gracilis (Nutt.) Shinners | R. E. Coombs 2739 | 05 Sep 1973 | United States of America | Arizona | Mohave Co. Little Tanks | — | 3047149 |
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| Cleome serrulata Pursh | R. E. Coombs 2581 | 07 Jul 1976 | United States of America | Arizona | Mohave Co. Mud Springs. | — | 222701 |
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| Astragalus ensiformis M.E.Jones | R. E. Coombs 2440 | 22 Apr 1978 | United States of America | Arizona | Mohave Co. Top of Quail… | — | 812467 |
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| Astragalus ensiformis M.E.Jones | R. E. Coombs 2440 | 22 Apr 1978 | United States of America | Arizona | Mohave Co. Top of Quail… | — | 812468 |
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| Astragalus ensiformis M.E.Jones | R. E. Coombs 2440 | 22 Apr 1978 | United States of America | Arizona | Mohave Co. Top of Quail… | — | 812469 |
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| Encelia frutescens (A.Gray) A.Gray | R. E. Coombs 2449 | 29 Apr 1978 | United States of America | Arizona | Mohave Co. 2 miles south… | — | 1739133 |
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| Aristida purpurea var. wrightii (Nash) Allred | R. E. Coombs 2450 | 29 Apr 1978 | United States of America | Arizona | Mohave Co. 2 miles south… | — | 1632771 |
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| Lupinus sparsiflorus Benth. | R. E. Coombs 2461 | 06 May 1978 | United States of America | Arizona | Mohave Co. Elbow Canyon | — | 748012 |
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| Astragalus nuttallianus var. imperfectus (Rydb.) Barneby | R. E. Coombs 2471 | 06 May 1978 | United States of America | Arizona | Mohave Co. Elbow Canyon Virgin… | — | 01266837 |
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| Lupinus sparsiflorus Benth. | R. E. Coombs 2461 | 06 May 1978 | United States of America | Arizona | Mohave Co. Elbow Canyon. | — | 02601861 |
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| Chorizanthe brevicornu Torr. | R. E. Coombs 2458 | 06 May 1978 | United States of America | Arizona | Mohave Co. Elbow Canyon | — | 663080 |
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| Eriogonum fasciculatum var. polifolium (Benth.) Torr. & A.Gray | R. E. Coombs 2460 | 06 May 1978 | United States of America | Arizona | Mohave Co. Elbow Canyon | — | 663083 |
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| Eriogonum fasciculatum Benth. | R. E. Coombs 2485 | 20 May 1978 | United States of America | Arizona | Mohave Co. Elbow Canyon, Virgin… | — | 280749 |
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| Eriogonum fasciculatum var. polifolium (Benth.) Torr. & A.Gray | R. E. Coombs 2485 | 20 May 1978 | United States of America | Arizona | Mohave Co. Elbow Canyon, Virgin… | — | 663082 |
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| Ceanothus greggii var. vestitus (Greene) McMinn | R. E. Coombs 2497 | 27 May 1978 | United States of America | Arizona | Mohave Co. Above Frehner cabin… | — | 01001841 |
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| Eriogonum umbellatum Torr. | R. E. Coombs 2499 | 09 Jun 1978 | United States of America | Arizona | Mohave Co. 16.1 miles south… | — | 663085 |
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| Pediomelum mephiticum (S.Watson) Rydb. | R. E. Coombs 2498 | 09 Jun 1978 | United States of America | Arizona | Mohave Co. 16.1 miles south… | — | 702602 |
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| Euploca convolvulacea Nutt. | R. E. Coombs 2506 | 12 Jun 1978 | United States of America | Arizona | Mohave Co. I 15 roadside… | — | 01083790 |
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| Astragalus lentiginosus var. stramineus (Rydb.) Barneby | R. E. Coombs 2500 | 12 Jun 1978 | United States of America | Arizona | Mohave Co. I15 roadside near… | — | 01260702 |
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| Astragalus lentiginosus var. stramineus (Rydb.) Barneby | R. E. Coombs 2500 | 12 Jun 1978 | United States of America | Arizona | Mohave Co. I15 roadside near… | — | 01260703 |
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| Astragalus lentiginosus var. stramineus (Rydb.) Barneby | R. E. Coombs 2500 | 12 Jun 1978 | United States of America | Arizona | Mohave Co. I15 roadside near… | — | 01260704 |
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| Psorothamnus fremontii (Torr. ex A.Gray) Barneby | R. E. Coombs 2516 | 14 Jun 1978 | United States of America | Arizona | Mohave Co. Fort Pierce Wash | — | 702775 | ||
| Juniperus osteosperma (Torr.) Little | R. E. Coombs 2530 | 21 Jun 1978 | United States of America | Arizona | Mohave Co. Wolf Hole Mountains | — | 20353 |
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| Ipomopsis arizonica (Greene) Wherry | R. E. Coombs 2548 | 21 Jun 1978 | United States of America | Arizona | Mohave Co. Mokaac Pass | — | 01010984 |
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| Elymus elymoides subsp. brevifolius (J.G.Sm.) Barkworth | R. E. Coombs 2531 | 21 Jun 1978 | United States of America | Arizona | Mohave Co. Wolf Hole Mtn. | — | 1673582 |
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| Gaura coccinea Pursh | R. E. Coombs 2551 | 23 Jun 1978 | United States of America | Arizona | Mohave Co. Cedar Pockets, 1.1… | — | 02708592 |
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| Melilotus officinalis (L.) Pall. | R. E. Coombs 2558 | 29 Jun 1978 | United States of America | Arizona | Mohave Co. Seegmiller Mountain | — | 718172 |
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| Eleocharis parishii Britton | R. E. Coombs 2566 | 06 Jul 1978 | United States of America | Arizona | Mohave Co. Red Rock Spring | — | 2826192 |
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| Astragalus humistratus var. humivagans (Rydb.) Barneby | R. E. Coombs 2595 | 11 Jul 1978 | United States of America | Arizona | Mohave Co. Fork sign to… | — | 674589 |
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| Chamaesyce fendleri (Torr. & A.Gray) Small | R. E. Coombs 2584 | 11 Jul 1978 | United States of America | Arizona | Mohave Co. 1 mile south… | — | 1001308 |
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| Gaura coccinea Pursh | R. E. Coombs 2599 | 12 Jul 1978 | United States of America | Arizona | Mohave Co. | — | 00999343 |
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| Astragalus humistratus var. humivagans (Rydb.) Barneby | R. E. Coombs 2614 | 13 Jul 1978 | United States of America | Arizona | Mohave Co. Andrus Canyon | — | 674590 |
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| Melilotus officinalis (L.) Pall. | R. E. Coombs 2618 | 13 Jul 1978 | United States of America | Arizona | Mohave Co. | — | 718171 |
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| Eriogonum darrovii Kearney | R. E. Coombs 2631 | 19 Jul 1978 | United States of America | Arizona | Mohave Co. Near Ide Valley… | — | 694935 |
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| Eriogonum corymbosum Benth. | R. E. Coombs 2635 | 27 Jul 1978 | United States of America | Arizona | Mohave Co. 1 mile east… | — | 663081 |
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| Chenopodium fremontii S.Watson | R. E. Coombs 2641 | 28 Jul 1978 | United States of America | Arizona | Mohave Co. Toquer Pond | — | 678499 |
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| Conyza canadensis var. glabrata (A.Gray) Cronquist | R. E. Coombs 2646 | 31 Jul 1978 | United States of America | Arizona | Mohave Co. | — | 2054532 |
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| Polygonum aviculare L. | R. E. Coombs 2744 | 05 Sep 1978 | United States of America | Arizona | Mohave Co. Little Tanks | — | 663086 |
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| Astragalus lentiginosus var. vitreus Barneby | R. E. Coombs 2789 | 05 Jun 1979 | United States of America | Arizona | Mohave Co. 1/4 mile south… | — | 675996 |
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| Astragalus humistratus var. humivagans (Rydb.) Barneby | R. E. Coombs 2819 | 7 Jun 1979 | United States of America | Arizona | Mohave Co. | — | 674597 |
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| Tradescantia occidentalis (Britton) Smyth | R. E. Coombs 2891 | 10 Jul 1979 | United States of America | Arizona | Coconino Co. Corral Valley | — | 01805069 |
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| Heterotheca zionensis Semple | R. E. Coombs 2890 | 10 Jul 1979 | United States of America | Arizona | Coconino Co. Corral Valley | — | 2907538 |
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| Paronychia sessiliflora Nutt. | R. E. Coombs 2903 | 11 Jul 1979 | United States of America | Arizona | Coconino Co. Near Pinnacle Valley | — | 446433 |
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| Eremogone eastwoodiae (Rydb.) Ikonn. | R. E. Coombs 2904 | 11 Jul 1979 | United States of America | Arizona | Coconino Co. Pinnacle Valley Well. | — | 54974 |
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| Linanthus pungens (Torr.) J.M.Porter & L.A.Johnson | R. E. Coombs 2901 | 11 Jul 1979 | United States of America | Arizona | Coconino Co. Arizona Strip District | — | 01011960 |
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| Robinia neomexicana A.Gray | R. E. Coombs 2907 | 19 Jul 1979 | United States of America | Arizona | Mohave Co. Black Rock Mountain | — | 702164 |
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| Glycyrrhiza lepidota Nutt. ex Pursh | R. E. Coombs 2928 | 26 Jul 1979 | United States of America | Arizona | Coconino Co. 1 mile southeast… | — | 703945 |
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| Petradoria pumila (Nutt.) Greene subsp. pumila | R. E. Coombs 2926 | 26 Jul 1979 | United States of America | Arizona | Coconino Co. 3 miles south… | — | 3128829 |
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