| Elyhordeum macounii× (Vasey) Barkworth & D.R.Dewey | United States | | | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | |  available for loan |
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| Elyhordeum macounii× (Vasey) Barkworth & D.R.Dewey | United States | 2018-05-24 | | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Ziziphus jujuba | United States | 2021-07-27 | | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Ziziphus jujuba | United States | 2021-07-27 | | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Ziziphora clinopodioides pamiroalaica (Juz.)Sennikov | United States | | | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Ziziphora clinopodioides bungeana (Juz.)Rech.fil. | United States | 2020-07-29 | | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Zinnia grandiflora | United States | 2018-08-27 | | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Zingiberaceae Martinov | United States | | | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Zanthoxylum ailanthoides Siebold & Zucc. | United States | 2018-06-06 | | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Yucca neomexicana Wooton & Standl. | United States | 2019-06-13 | | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Yucca glauca Nutt. | United States | | | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Yucca glauca Nutt. | United States | 2019-06-20 | | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Yucca glauca Nutt. | United States | | | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Xylorhiza venusta (M.E.Jones) A.Heller | United States | 2019-05-29 | | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Xylorhiza venusta (M.E.Jones) A.Heller | United States | | | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Xanthoceras sorbifolium (A.Braun) Holub | United States | 2019-05-17 | | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Xanthium strumarium L. | United States | | | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Xanthium strumarium L. | United States | | | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Xanthium strumarium L. | United States | 2018-08-17 | | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Xanthium strumarium L. | United States | 2018-08-14 | | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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