| 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 | United States | 2017-07-06 | | | | | | | | |
| 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 glauca Nutt. | United States | 2018-06-04 | | | | | | | | |
| 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 | 2018-09-08 | | | | | | | | |
| 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 | 2018-09-08 | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. | United States | 2018-05-17 | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. | United States | 2018-06-21 | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. | United States | 2018-06-23 | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. | United States | 2017-06-30 | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. | United States | 2017-07-01 | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Viola tricolor L. | United States | 2018-06-25 | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Viola sororia Willd. | United States | 2017-06-15 | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Viola canadensis L. | United States | 2017-06-06 | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Viola canadensis L. | United States | 2017-06-22 | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Viola canadensis L. | United States | 2017-06-28 | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Viola canadensis L. | United States | 2017-06-29 | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Viola canadensis L. | United States | 2017-07-10 | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Vicia americana Muhl. ex Willd. | United States | 2018-05-17 | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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| Viburnum edule (Michx.) Raf. | United States | 2018-05-31 | | | | | | | | |
| Repository | Material Type | Preparation Type | Relation | Available for Loan | | DBG, Denver | tissue | leaf | | available for loan |
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