| 0 | PI 110888 | Altamisia | Ambrosia cumanensis Kunth | Táchira, Venezuela | | | Historic | 1935 | COLLECTED | 03/13/1935 | San Cristobal | | | | | | 1802476 | PI 110888 |
| 1 | PI 111601 | Altamisa | Ambrosia sp. | Colombia | | | Historic | 1935 | COLLECTED | 03/24/1935 | Highway between Pamplona and Malaga | | | | | | 1806950 | PI 111601 |
| 2 | PI 111602 | Altamisa | Ambrosia sp. | Colombia | | | Historic | 1935 | COLLECTED | 03/20/1935 | Between Cuenta and Pamplona | | | | | | 1806951 | PI 111602 |
| 3 | PI 8864 | | Ambrosia acanthicarpa Hook. | Provence-Alpes-Côte-d’Azur, France | | | Historic | 1902 | COLLECTED | | | | | | | | 1548082 | PI 8864 |
| 4 | W6 61441 RE | CA067-25 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 | | | 2024 | | | | | | | | (Recollection of CA067-8, W6 60920) | 2167540 | W6 61441 RE |
| 5 | W6 61463 | CA160-48 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | California, United States | W6 |  | | 2024 | | | | | | | | | 2167562 | W6 61463 |
| 6 | W6 61485 | CA170-270 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2024 | | | | | | | | | 2167584 | W6 61485 |
| 7 | W6 61766 | MD1-30 | Ambrosia dumosa (A. Gray) W. W. Payne | Utah, United States | W6 |  | | 2024 | | | | | | | Wild material | huge population throughout the entire area | 2168214 | W6 61766 |
| 8 | W6 61770 | MD1-34 | Ambrosia dumosa (A. Gray) W. W. Payne | Utah, United States | W6 |  | | 2024 | | | | | | | Wild material | collected slightly too late seed had already begun dropping | 2168218 | W6 61770 |
| 9 | W6 61828 | NV052-1001 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2024 | | | | | | | Wild material | Yellow flowers leaves grayish green and pinnately lobed Woody stem Fruits are spherical burs | 2168280 | W6 61828 |
| 10 | W6 61829 | NV052-1002 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2024 | | | | | | | Wild material | Yellow flowers leaves grayish green and pinnately lobed Woody stem Fruits are spherical burs | 2168281 | W6 61829 |
| 11 | W6 61887 | NV052-1017 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2024 | | | | | | | Wild material | Low lying perennial shrub with yellow flowers fruits bur like with straight flat spines Monoecious | 2168293 | W6 61887 |
| 12 | W6 61888 RE | NV052-1018 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2024 | | | | | | | Wild material | Low lying perennial shrub with yellow flowers fruits bur like with straight flat spines Monoecious (Recollection of NV052B-1, W6 46761) | 2168294 | W6 61888 RE |
| 13 | W6 61898 | NV052-995 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | Nevada, United States | W6 |  | | 2024 | | | | | | | Wild material | Light yellow to white flowers linear leaves fruit winged Pungent scent | 2168304 | W6 61898 |
| 14 | W6 60903 | AZ932-187 | Ambrosia dumosa (A. Gray) W. W. Payne | Arizona, United States | W6 |  | | 2023 | | | | | | | Wild material | Some partially dormant | 2142541 | W6 60903 |
| 15 | W6 60914 | CA067-20 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2023 | | | | | | | Wild material | Growing adjacent to agricultural fields, estimated viability of 0.25. Honey bee boxes placed near the population. Two nights of rain washed the majority of the seeds away after the first collection day!! This collection is much smaller than expected! | 2142552 | W6 60914 |
| 16 | W6 60917 | CA067-5 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | California, United States | W6 |  | | 2023 | | | | | | | Wild material | Very biodiverse site with lots of wildlife. A. salsola covered in Brandegea bigelovii and Sarcostema cycanchoides. Some fruiting stalks covered in silk/web. Brandegea bigelovii vines got into collection | 2142555 | W6 60917 |
| 17 | W6 60920 | CA067-8 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2023 | | | | | | | Wild material | Mexico border visible from the site. Plant has low viability (15%). 2 seeds per fruit, avg 1200 fruits per plant. Estimated to be a smaller collection due to low viability | 2142558 | W6 60920 |
| 18 | W6 60931 | CA160-31 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | California, United States | W6 |  | | 2023 | | | | | | | Wild material | Dried papery wings on the side of fruits. Seed can be find by cutting seed cross wise. One seed per fruit. | 2142569 | W6 60931 |
| 19 | W6 61318 | UT930-1 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | Arizona, United States | W6 |  | | 2023 | | | | | | | Wild material | | 2142762 | W6 61318 |
| 20 | W6 61335 | UT930-4 | Ambrosia dumosa (A. Gray) W. W. Payne | Utah, United States | W6 |  | | 2023 | | | | | | | Wild material | | 2142779 | W6 61335 |
| 21 | W6 60540 | NV052-969 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2022 | | | | | | | Wild material | Yellow flowers, spiny fruits | 2138478 | W6 60540 |
| 22 | W6 59756 | NV052-811 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | Nevada, United States | W6 | | | 2021 | | | | | | | Wild material | Plant rounded, odorous; leaves linear; flowers white to green, papery. | 2132338 | W6 59756 |
| 23 | W6 59774 | NV052-829 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | Nevada, United States | W6 | | | 2021 | | | | | | | Wild material | Plant rounded, odorous; leaves linear; flowers white to green, papery. | 2132356 | W6 59774 |
| 24 | W6 59793 | NV052-848 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 | | | 2021 | | | | | | | Wild material | | 2132375 | W6 59793 |
| 25 | W6 59797 | NV052-852 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 | | | 2021 | | | | | | | Wild material | | 2132379 | W6 59797 |
| 26 | W6 59800 | NV052-855 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 | | | 2021 | | | | | | | Wild material | Yellow, aster flowers; spiky fruit | 2132382 | W6 59800 |
| 27 | W6 59818 | NV052-875 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 | | | 2021 | | | | | | | Wild material | Yellow flowers, fruit is bur-like | 2132400 | W6 59818 |
| 28 | W6 59820 | NV052-877 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 | | | 2021 | | | | | | | Wild material | fruit is bur-like; yellow flowers; very common | 2132402 | W6 59820 |
| 29 | W6 59830 | NV052-887 | Ambrosia eriocentra (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2021 | | | | | | | Wild material | Wash species; fruit a bur | 2132412 | W6 59830 |
| 30 | W6 59833 | NV052-890 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 | | | 2021 | | | | | | | Wild material | | 2132415 | W6 59833 |
| 31 | W6 59848 | NV052-909 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 |  | Not Available | 2021 | | | | | | | Wild material | Plant woody, branching; leaves tomentose, deeply lobed; inflorescence in racemes, yellow; fruits tan to brown, spiny. | 2132430 | W6 59848 |
| 32 | W6 59352 | CA660-35 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 | | | 2021 | | | | | | | Wild material | | 2120405 | W6 59352 |
| 33 | W6 59386 | CA930A-957 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 | | | 2021 | | | | | | | Wild material | | 2120438 | W6 59386 |
| 34 | W6 59388 | CA930A-959 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 | | | 2021 | | | | | | | Wild material | | 2120440 | W6 59388 |
| 35 | W6 58346 | CA930A-906 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 | | | 2020 | | | | | | | Wild material | | 2109909 | W6 58346 |
| 36 | W6 58393 | NV052-748 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 | | | 2020 | | | | | | | Wild material | Fruit a spherical bur with flat spines, monoecious, yellow flowers | 2109956 | W6 58393 |
| 37 | W6 58395 | NV052-750 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 | | | 2020 | | | | | | | Wild material | monoecious, fruit a bur with straight, flat spines, yellow flowers | 2109958 | W6 58395 |
| 38 | W6 58399 | NV052-754 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 | | | 2020 | | | | | | | Wild material | fruit a spherical bur with flat, straight spines, monoecious | 2109962 | W6 58399 |
| 39 | W6 58401 | NV052-759 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 | | | 2020 | | | | | | | Wild material | fruit a bur with straight flat spines, monoecious, yellow flowers | 2109964 | W6 58401 |
| 40 | W6 58222 | CA930A-848 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | California, United States | W6 | | | 2020 | | | | | | | Wild material | Hymenoclea salsola var. salsola (cheesebush). | 2107602 | W6 58222 |
| 41 | W6 57915 | CA650-91 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | California, United States | W6 | | | 2020 | | | | | | | Wild material | Received as Hymenoclea salsola. Height: 2.5 - 4' | 2106432 | W6 57915 |
| 42 | W6 56926 | AZ930-403 | Ambrosia monogyra (Torr. & A. Gray) Strother & B. G. Baldwin | Arizona, United States | W6 |  | | 2019 | | | | | | | Wild material | | 2096873 | W6 56926 |
| 43 | W6 56474 | CA930A-749 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | California, United States | W6 |  | | 2019 | | | | | | | Wild material | | 2091977 | W6 56474 |
| 44 | W6 56475 | CA930A-750 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2019 | | | | | | | Wild material | | 2091978 | W6 56475 |
| 45 | W6 56014 | NV052-739 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2019 | | | | | | | Wild material | Ambrosia dumosa | 1971260 | W6 56014 |
| 46 | W6 56016 | NV052-741 | Ambrosia eriocentra (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2019 | | | | | | | Wild material | Ambrosia eriocentra | 1971262 | W6 56016 |
| 47 | W6 55725 | CA930A-673 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | California, United States | W6 |  | | 2018 | | | | | | | Wild material | Hymenoclea salsola var. salsola | 1970436 | W6 55725 |
| 48 | W6 55736 | CA930A-684 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | California, United States | W6 |  | | 2018 | | | | | | | Wild material | Hymenoclea salsola var. salsola | 1970447 | W6 55736 |
| 49 | W6 55738 | CA930A-686 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2018 | | | | | | | Wild material | Ambrosia dumosa | 1970449 | W6 55738 |
| 50 | W6 55746 | CA930A-694 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2018 | | | | | | | Wild material | Ambrosia dumosa | 1970457 | W6 55746 |
| 51 | W6 55748 | CA930A-696 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2018 | | | | | | | Wild material | Ambrosia dumosa | 1970459 | W6 55748 |
| 52 | W6 55754 | CA930A-702 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2018 | | | | | | | Wild material | Ambrosia dumosa | 1970465 | W6 55754 |
| 53 | W6 55155 | CA650-119 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2018 | | | | | | | Wild material | Ambrosia dumosa | 1967707 | W6 55155 |
| 54 | W6 55158 | CA650-122 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2018 | | | | | | | Wild material | Ambrosia dumosa | 1967710 | W6 55158 |
| 55 | W6 55162 | CA650-127 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2018 | | | | | | | Wild material | Ambrosia dumosa | 1967714 | W6 55162 |
| 56 | W6 54996 | NV052-691 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2018 | | | | | | | Wild material | Ambrosia dumosa | 1966223 | W6 54996 |
| 57 | W6 54999 | NV052-694 | Ambrosia eriocentra (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2018 | | | | | | | Wild material | Ambrosia eriocentra | 1966226 | W6 54999 |
| 58 | W6 55014 | NV052-715 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2018 | | | | | | | Wild material | Ambrosia dumosa | 1966241 | W6 55014 |
| 59 | W6 55015 | NV052-716 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2018 | | | | | | | Wild material | Ambrosia dumosa | 1966242 | W6 55015 |
| 60 | W6 55016 | NV052-719 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2018 | | | | | | | Wild material | Ambrosia dumosa | 1966243 | W6 55016 |
| 61 | W6 55032 | CA170-192 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2018 | | | | | | | Wild material | Ambrosia dumosa | 1966259 | W6 55032 |
| 62 | W6 55039 | CA170-199 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | California, United States | W6 |  | | 2018 | | | | | | | Wild material | Hymenoclea salsola var. salsola | 1966266 | W6 55039 |
| 63 | W6 55044 | CA170-204 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2018 | | | | | | | Wild material | Ambrosia dumosa | 1966271 | W6 55044 |
| 64 | W6 54423 | AZ040-263 | Ambrosia monogyra (Torr. & A. Gray) Strother & B. G. Baldwin | Arizona, United States | W6 | | | 2018 | | | | | | | Wild material | Ambrosia monogyra | 1965140 | W6 54423 |
| 65 | W6 54441 | NV052-628 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | Nevada, United States | W6 | | | 2018 | | | | | | | Wild material | Hymenoclea salsola var. salsola | 1965158 | W6 54441 |
| 66 | W6 53671 | CA690-85 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. pentalepis (Rydb.) Strother & B. G. Baldwin | California, United States | W6 |  | | 2018 | | | | | | | Wild material | | 1964249 | W6 53671 |
| 67 | W6 53932 | NV040-266 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2018 | | | | | | | Wild material | | 1964510 | W6 53932 |
| 68 | W6 53946 | NV040-281 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2018 | | | | | | | Wild material | | 1964524 | W6 53946 |
| 69 | W6 53950 | NV040-286 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | Nevada, United States | W6 |  | | 2018 | | | | | | | Wild material | | 1964528 | W6 53950 |
| 70 | W6 53953 | NV040-289 | Ambrosia eriocentra (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2018 | | | | | | | Wild material | | 1964531 | W6 53953 |
| 71 | W6 53956 | NV040-293 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2018 | | | | | | | Wild material | | 1964534 | W6 53956 |
| 72 | W6 53354 | CA930A-604 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | California, United States | W6 | | | 2018 | | | | | | | Wild material | | 1958089 | W6 53354 |
| 73 | W6 53361 | CA930A-612 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | California, United States | W6 | | | 2018 | | | | | | | Wild material | | 1958096 | W6 53361 |
| 74 | W6 53372 | CA930A-623 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | California, United States | W6 | | | 2018 | | | | | | | Wild material | | 1958107 | W6 53372 |
| 75 | W6 52625 | CA930A-520 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | California, United States | W6 |  | | 2017 | | | | | | | Wild material | | 1948946 | W6 52625 |
| 76 | W6 52540 | NV040-244 | Ambrosia eriocentra (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2017 | | | | | | | Wild material | | 1948795 | W6 52540 |
| 77 | W6 52545 | NV040-249 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2017 | | | | | | | Wild material | | 1948800 | W6 52545 |
| 78 | W6 52317 | CA650-86 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | California, United States | W6 |  | Not Available | 2017 | | | | | | | Wild material | | 1948572 | W6 52317 |
| 79 | W6 51887 | NV052-546 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | Nevada, United States | W6 | | | 2017 | | | | | | | Wild material | | 1947020 | W6 51887 |
| 80 | W6 51893 | NV052-554 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | Nevada, United States | W6 | | | 2017 | | | | | | | Wild material | | 1947026 | W6 51893 |
| 81 | W6 51895 | NV052-556 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | Nevada, United States | W6 | | | 2017 | | | | | | | Wild material | | 1947028 | W6 51895 |
| 82 | W6 51896 | NV052-557 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | Nevada, United States | W6 | | | 2017 | | | | | | | Wild material | | 1947029 | W6 51896 |
| 83 | W6 51734 | CA930A-495 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 | | | 2017 | | | | | | | Wild material | | 1943581 | W6 51734 |
| 84 | W6 50136 | CA650-51 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2015 | | | | | | | Wild material | | 1927448 | W6 50136 |
| 85 | W6 50137 | NV040-193 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2015 | | | | | | | Wild material | | 1927449 | W6 50137 |
| 86 | W6 50138 | NV040-200 | Ambrosia eriocentra (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2015 | | | | | | | Wild material | | 1927450 | W6 50138 |
| 87 | W6 50139 | NV040-204 | Ambrosia eriocentra (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2015 | | | | | | | Wild material | | 1927451 | W6 50139 |
| 88 | W6 50234 | NV040-195 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | Nevada, United States | W6 |  | | 2015 | | | | | | | Wild material | | 1927538 | W6 50234 |
| 89 | W6 49884 | CA930A-338 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. pentalepis (Rydb.) Strother & B. G. Baldwin | California, United States | W6 |  | | 2015 | | | | | | | Wild material | | 1926912 | W6 49884 |
| 90 | W6 49702 | CA930A-368 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2015 | | | | | | | Wild material | | 1926640 | W6 49702 |
| 91 | W6 49703 | CA930A-360 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | California, United States | W6 |  | Not Available | 2015 | | | | | | | Wild material | | 1926641 | W6 49703 |
| 92 | W6 49343 | CA930A-326 | Ambrosia dumosa (A. Gray) W. W. Payne | United States | W6 |  | | 2015 | | | | | | | Wild material | | 1925463 | W6 49343 |
| 93 | W6 49344 | NV040-135 | Ambrosia eriocentra (A. Gray) W. W. Payne | United States | W6 |  | | 2015 | | | | | | | Wild material | | 1925464 | W6 49344 |
| 94 | W6 49345 | NV040-141 | Ambrosia eriocentra (A. Gray) W. W. Payne | United States | W6 |  | | 2015 | | | | | | | Wild material | | 1925465 | W6 49345 |
| 95 | W6 49346 | NV040-144 | Ambrosia eriocentra (A. Gray) W. W. Payne | United States | W6 |  | | 2015 | | | | | | | Wild material | | 1925466 | W6 49346 |
| 96 | W6 49444 | CA930A-283 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | United States | W6 |  | Not Available | 2015 | | | | | | | Wild material | | 1925563 | W6 49444 |
| 97 | W6 49445 | NV040-132 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | United States | W6 |  | | 2015 | | | | | | | Wild material | | 1925564 | W6 49445 |
| 98 | W6 48749 | NV052B-115 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | United States | W6 |  | | 2015 | | | | | | | Wild material | | 1922562 | W6 48749 |
| 99 | W6 48750 | NV052B-119 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | United States | W6 |  | | 2015 | | | | | | | Wild material | | 1922563 | W6 48750 |
| 100 | W6 48492 | CA930A-242 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2014 | | | | | | | Wild material | | 1921931 | W6 48492 |
| 101 | W6 48493 | CA930A-263 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | Not Available | 2014 | | | | | | | Wild material | | 1921932 | W6 48493 |
| 102 | W6 48212 | NV052B-89 | Ambrosia dumosa (A. Gray) W. W. Payne | United States | W6 |  | | 2014 | | | | | | | Wild material | | 1921421 | W6 48212 |
| 103 | W6 47954 | NV052-352 | Ambrosia eriocentra (A. Gray) W. W. Payne | United States | W6 |  | | 2014 | | | | | | | Wild material | | 1920498 | W6 47954 |
| 104 | W6 48089 | CA930A-232 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. pentalepis (Rydb.) Strother & B. G. Baldwin | California, United States | W6 |  | | 2014 | | | | | | | Wild material | | 1920625 | W6 48089 |
| 105 | W6 48090 | CA930A-235 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. pentalepis (Rydb.) Strother & B. G. Baldwin | California, United States | W6 |  | | 2014 | | | | | | | Wild material | | 1920626 | W6 48090 |
| 106 | W6 47473 | NV052B-059 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | United States | W6 |  | | 2014 | | | | | | | Wild material | | 1918379 | W6 47473 |
| 107 | W6 47474 | NV052B-064 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | United States | W6 |  | | 2014 | | | | | | | Wild material | | 1918380 | W6 47474 |
| 108 | W6 47475 | NV052B-045 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | United States | W6 |  | | 2014 | | | | | | | Wild material | | 1918381 | W6 47475 |
| 109 | W6 46761 | NV052B-1 | Ambrosia dumosa (A. Gray) W. W. Payne | United States | W6 |  | | 2013 | | | | | | | Wild material | | 1914326 | W6 46761 |
| 110 | W6 46220 | CA930C-198 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | California, United States | W6 |  | | 2013 | | | | | | | Wild material | | 1911198 | W6 46220 |
| 111 | W6 45633 | NV030-674 | Ambrosia acanthicarpa Hook. | Nevada, United States | W6 |  | | 2013 | | | | | | | Wild material | | 1907599 | W6 45633 |
| 112 | W6 45634 | CA930C-161 | Ambrosia acanthicarpa Hook. | California, United States | W6 |  | | 2013 | | | | | | | Wild material | | 1907600 | W6 45634 |
| 113 | W6 45219 | CA690-22 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 | | Not Available | 2012 | | | | | | | Wild material | | 1905652 | W6 45219 |
| 114 | W6 44823 | LBJWC-PM-20 | Ambrosia confertiflora DC. | Texas, United States | W6 |  | Not Available | 2012 | DONATED | 2012 | | | | | Wild material | | 1902465 | W6 44823 |
| 115 | W6 44824 | LBJWC-MM-707 | Ambrosia trifida L. | Texas, United States | W6 | | Not Available | 2012 | DONATED | 2012 | | | | | Wild material | | 1902510 | W6 44824 |
| 116 | W6 44378 | AZ040-0031 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | Arizona, United States | W6 |  | Not Available | 2012 | | | | | | | Wild material | | 1901177 | W6 44378 |
| 117 | W6 43451 | AZ010-03 | Ambrosia dumosa (A. Gray) W. W. Payne | Arizona, United States | W6 |  | | 2012 | | | | | | | Wild material | | 1898530 | W6 43451 |
| 118 | W6 43452 | AZ010-10 | Ambrosia dumosa (A. Gray) W. W. Payne | Arizona, United States | W6 |  | | 2012 | | | | | | | Wild material | | 1898531 | W6 43452 |
| 119 | W6 43453 | AZ010-22 | Ambrosia dumosa (A. Gray) W. W. Payne | Arizona, United States | W6 |  | | 2012 | | | | | | | Wild material | | 1898532 | W6 43453 |
| 120 | W6 43454 | AZ010-31 | Ambrosia dumosa (A. Gray) W. W. Payne | Arizona, United States | W6 |  | | 2012 | | | | | | | Wild material | | 1898533 | W6 43454 |
| 121 | W6 43455 | AZ010-6 | Ambrosia eriocentra (A. Gray) W. W. Payne | Arizona, United States | W6 |  | | 2012 | | | | | | | Wild material | | 1898534 | W6 43455 |
| 122 | W6 43546 | AZ010-07 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | Arizona, United States | W6 |  | | 2012 | | | | | | | Wild material | | 1898619 | W6 43546 |
| 123 | W6 43547 | AZ010-19 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | Arizona, United States | W6 |  | | 2012 | | | | | | | Wild material | | 1898620 | W6 43547 |
| 124 | W6 42461 | NV040-59 | Ambrosia eriocentra (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1893366 | W6 42461 |
| 125 | W6 41152 | CA690-15 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1868683 | W6 41152 |
| 126 | W6 41153 | CA930C-13 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1868684 | W6 41153 |
| 127 | W6 41154 | CA930C-30 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1868685 | W6 41154 |
| 128 | W6 41155 | CA930C-9 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1868686 | W6 41155 |
| 129 | W6 41307 | CA930C-8 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | California, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1868828 | W6 41307 |
| 130 | W6 40474 | CA930A-66 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. fasciculata (A. Nelson) Strother & B. G. Baldwin | California, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1861235 | W6 40474 |
| 131 | W6 40475 | CA930A-67 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. fasciculata (A. Nelson) Strother & B. G. Baldwin | California, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1861236 | W6 40475 |
| 132 | W6 40051 | CA930A-81 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1855861 | W6 40051 |
| 133 | W6 40052 | CA930A-85 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1855862 | W6 40052 |
| 134 | W6 40053 | CA930A-86 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | Not Available | 2011 | | | | | | | Wild material | | 1855863 | W6 40053 |
| 135 | W6 40054 | NV040-42 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1855864 | W6 40054 |
| 136 | W6 40174 | AZ930-295 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | Arizona, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1855978 | W6 40174 |
| 137 | W6 39518 | CA930A-18 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849396 | W6 39518 |
| 138 | W6 39519 | CA650-26 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849397 | W6 39519 |
| 139 | W6 39520 | CA930A-1 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849398 | W6 39520 |
| 140 | W6 39521 | CA930A-12 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849399 | W6 39521 |
| 141 | W6 39522 | CA930A-15 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849400 | W6 39522 |
| 142 | W6 39523 | CA930A-16 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849401 | W6 39523 |
| 143 | W6 39524 | CA930A-17 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849402 | W6 39524 |
| 144 | W6 39525 | CA930A-24 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849403 | W6 39525 |
| 145 | W6 39526 | CA930A-25 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849404 | W6 39526 |
| 146 | W6 39527 | CA930A-28 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849405 | W6 39527 |
| 147 | W6 39528 | CA930A-31 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849406 | W6 39528 |
| 148 | W6 39529 | CA930A-34 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849407 | W6 39529 |
| 149 | W6 39530 | CA930A-42 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849408 | W6 39530 |
| 150 | W6 39531 | CA930A-44 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849409 | W6 39531 |
| 151 | W6 39532 | CA930A-45 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849410 | W6 39532 |
| 152 | W6 39533 | CA930A-46 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849411 | W6 39533 |
| 153 | W6 39534 | CA930A-47 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849412 | W6 39534 |
| 154 | W6 39535 | CA930A-58 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849413 | W6 39535 |
| 155 | W6 39536 | CA930A-59 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849414 | W6 39536 |
| 156 | W6 39537 | NV040-17 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849415 | W6 39537 |
| 157 | W6 39538 | NV040-25 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849416 | W6 39538 |
| 158 | W6 39539 | NV040-33 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849417 | W6 39539 |
| 159 | W6 39540 | NV040-47 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849418 | W6 39540 |
| 160 | W6 39541 | NV040-48 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849419 | W6 39541 |
| 161 | W6 39542 | NV040-65 | Ambrosia dumosa (A. Gray) W. W. Payne | Nevada, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849420 | W6 39542 |
| 162 | W6 39626 | CA930A-2 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | California, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849500 | W6 39626 |
| 163 | W6 39627 | CA930A-3 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | California, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849501 | W6 39627 |
| 164 | W6 39628 | NV040-14 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | Nevada, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849502 | W6 39628 |
| 165 | W6 39629 | NV040-19 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. salsola | Nevada, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1849503 | W6 39629 |
| 166 | W6 37325 | AZ930-279 | Ambrosia deltoidea (Torr.) W. W. Payne | Arizona, United States | W6 |  | Not Available | 2010 | | | | | | | Wild material | | 1833477 | W6 37325 |
| 167 | W6 37458 | AZ930-280 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin | Arizona, United States | W6 |  | | 2010 | | | | | | | Wild material | | 1833591 | W6 37458 |
| 168 | W6 32542 | AZ-93005-19 | Ambrosia deltoidea (Torr.) W. W. Payne | Arizona, United States | W6 |  | | 2007 | | | | | | | Wild material | | 1740297 | W6 32542 |
| 169 | W6 32595 | AZ-93006-02 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin var. pentalepis (Rydb.) Strother & B. G. Baldwin | Arizona, United States | W6 |  | | 2007 | | | | | | | Wild material | | 1740343 | W6 32595 |
| 170 | W6 32604 | AZ-93006-11 | Ambrosia eriocentra (A. Gray) W. W. Payne | Arizona, United States | W6 |  | | 2007 | | | | | | | Wild material | | 1740520 | W6 32604 |
| 171 | NSL 449545 | LBJWC-PM-021 | Ambrosia confertiflora DC. | | W6 | | Not Available | 2007 | | | | | | | Wild material | | 1726328 | NSL 449545 |
| 172 | W6 26757 | 6 | Ambrosia dumosa (A. Gray) W. W. Payne | California, United States | W6 |  | | 2005 | | | | | | | Wild material | Shrub 0.46 meters tall. | 1673796 | W6 26757 |
| 173 | W6 27092 | CA170-05 | Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin | California, United States | W6 |  | | 2005 | | | | | | | Wild material | Shrub 0.6-0.9 meters tall. | 1674129 | W6 27092 |
| 174 | W6 27221 | CA330-34 | Ambrosia chamissonis (Less.) Greene | California, United States | W6 |  | | 2005 | | | | | | | Wild material | Forb 0.07-0.3 meters tall. | 1674256 | W6 27221 |
| 175 | OPGC 1969 | OPGC 1969 | Ambrosia artemisiifolia L. | | | | Historic | 2004 | | | | | | | | | 1690630 | OPGC 1969 |