| Specimen ID | 235560 |
| Group | Plants |
| Genus | Ottelia |
| Species | alismoides |
| Common Name | duck-lettuce |
| State | CA |
| County | Butte |
| Locality | drainage canal, east of Cherokee Canal, approximately 0.5 kilometers south of Highway 162, West of Biggs Rice Experiment Station |
| Mapping Accuracy | Approximate |
| HUC8 Name | Butte Creek |
| HUC8 Number | 18020158 |
| Map | |
| Collection Day | 20 |
| Collection Month | 9 |
| Collection Year | 1977 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on plants |
| Status | eradicated |
| Reference 1 |
| Ref. Number: | 13580 |
| Author: | Turner, C.E. |
| Date: | 1980 |
| Title: | Noteworthy collections: Ottelia alismoides |
| Journal: | Madrono |
| Volume: | 27 |
| Issue: | 4 |
| Pages: | 177 |
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| Reference 2 |
| Ref. Number: | 28055 |
| Author: | University of California Berkeley |
| Date: | 2019 |
| Title: | University Herbarium (UC) |
| Publisher: | Consortium of California Herbaria |
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| Reference 3 |
| Ref. Number: | 28866 |
| Author: | Ribbens, E. (curator). |
| Date: | 2012 |
| Title: | R.M. Myers Herbarium (MWI) |
| Publisher: | Western Illinois University |
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| Reference 4 |
| Ref. Number: | 28060 |
| Author: | University of California Riverside |
| Date: | 2019 |
| Title: | U.C. Riverside Herbarium (UCR) |
| Publisher: | SEINet Data Portal |
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| Reference 5 |
| Ref. Number: | 28644 |
| Author: | Potter, D. (director), and E. Dean (curator). |
| Date: | 2016 |
| Title: | U.C. Davis Center for Plant Diversity (DAV) |
| Publisher: | University of California |
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| Reference 6 |
| Ref. Number: | 28050 |
| Author: | Nazaire, M. |
| Date: | 2016 |
| Title: | Rancho Santa Ana Botanic Garden and Pomona College Herbarium (RSA) |
| Publisher: | Rancho Santa Ana Botanic Garden |
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| Comments | Population exterminated shortly after discovery, but many viable seeds had already been produced. Likely transported with rice. No plants seen since 1977. Reproductive status: Flower and Fruit. Collector Number: Barbe 2334 and Fuller (UC) Barbe 2334 and Fuller (MWI) Barbe 2334 and Fuller (UCR) Barbe 2334 and Fuller (DAV) Barbe 2334 and Fuller (CDA) |
| Record Type | Specimen |
| Earliest Record | state |
| Disposal | U.C. Berkeley, R.M. Myers Herb., U.C. Riverside, U.C. Davis, Rancho Santa Ana B.G., CA DFA |
| Museum Cat Number | UC 1423439; MWI 00061487; UCR 182945A; DAV 138166; RSA 277732; CDA 1627 |
| Verifier | Seamen, Donald E. |
| Freshwater/Marine | Freshwater |
| Year Class | Flower, Fruit |
