| Specimen ID | 1428156 |
| Group | Plants |
| Genus | Najas |
| Species | minor |
| Common Name | brittle waternymph |
| State | CA |
| County | Alameda |
| Locality | Lake Del Valle Park, southeast end of Lake Del Valle, along east side of peninsula extending northward from southeast side of West Swim Beach swimming area |
| Mapping Accuracy | Accurate |
| HUC8 Name | San Francisco Bay |
| HUC8 Number | 18050004 |
| HUC10 Name | Arroyo Valle |
| HUC10 Number | 1805000404 |
| HUC12 Name | Lake Del Valle-Arroyo Valle |
| HUC12 Number | 180500040405 |
| Map | |
| Collection Day | 7 |
| Collection Month | 8 |
| Collection Year | 2003 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on aquatic plants |
| Status | established |
| Reference 1 |
| Ref. Number: | 10707 |
| Author: | Hrusa, G.F. (curator). |
| Date: | 2000 |
| Title: | Herbarium specimen voucher data, California Department of Agriculture (CDA) |
| Publisher: | California Department of Agriculture |
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| Reference 2 |
| Ref. Number: | 28897 |
| Author: | Les, D.H., N.P. Tippery, and H. Razifard. |
| Date: | 2012 |
| Title: | Noteworthy collections: California & Texas: Najas minor |
| Journal: | Madroño |
| Volume: | 59 |
| Issue: | 4 |
| Pages: | 232-233 |
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| Comments | Discovered, but misidentified [Najas marina] in 2003. |
| Record Type | Specimen |
| Earliest Record | state |
| Disposal | CDA |
| Museum Cat Number | 20194 |
| Verifier | Donald H. Les |
| Freshwater/Marine | Freshwater |
