| Specimen ID | 1687344 |
| Group | Plants |
| Genus | Zizania |
| Species | latifolia |
| Common Name | Manchurian wildrice |
| State | CA |
| County | Riverside |
| Locality | county non-specific |
| Mapping Accuracy | Centroid |
| Centroid Type | County |
| Map | |
| Collection Day | 19 |
| Collection Month | 10 |
| Collection Year | 2017 |
| Year Accuracy | Actual |
| Potential Pathway | planted food |
| Status | eradicated |
| Reference 1 |
| Ref. Number: | 37817 |
| Author: | Chitambar, J. |
| Date: | 2017 |
| Title: | Ustilago esculenta Pest Risk Profile |
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| Reference 2 |
| Ref. Number: | 37818 |
| Author: | Kelch, D. |
| Date: | 2018 |
| Title: | Manchurian Wild Rice (Zizania latifolia) Pest Rating Profile |
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| Comments | On November 20, 2017, Cheryl Blomquist, CDFA plant pathologist, detected Ustilago esculenta, by PCR and sequencing, from the swollen, white interior plant tissue. |
| Record Type | Literature |
| Earliest Record | county |
| Verifier | California Department of Food and Agriculture |
| Freshwater/Marine | Freshwater |
| Specimen Impact | The host <em>Zizania</em> can spread the smut fungus, <em>Ustilago esculenta</em>, to native species of wild rice that may prevent development of inflorescences and thus seed production. |
