| Specimen ID | 229370 |
| Group | Plants |
| Genus | Hydrilla |
| Species | verticillata |
| Subspecies | verticillata |
| Common Name | whorled hydrilla |
| State | CA |
| County | Mariposa |
| Locality | Ahwahnee, Oak Grove Rd, Grupe Ranch swimming hole |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle San Joaquin-Lower Chowchilla |
| HUC8 Number | 18040001 |
| HUC10 Name | Upper Chowchilla River |
| HUC10 Number | 1804000105 |
| HUC12 Name | West Fork Chowchilla River |
| HUC12 Number | 180400010501 |
| Map | |
| Collection Day | 26 |
| Collection Month | 7 |
| Collection Year | 1989 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | eradicated |
| Reference 1 |
| Ref. Number: | 10560 |
| Author: | Plant Pest Diagnostic Center, Integrated Pest Control Branch, Division of Plant Industry, California Department of Food and Agriculture. |
| Date: | 1997 |
| Title: | Weed Eradication Database - for state and county weed biologists. |
| Publisher: | Plant Pest Diagnostic Center, Integrated Pest Control Branch, Division of Plant Industry, California Department of Food and Agriculture. |
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| Reference 2 |
| Ref. Number: | 27762 |
| Author: | Kratville, D. |
| Date: | 2013 |
| Title: | The California Department of Food and Agriculture Hydrilla eradication program annual progress report 2013 |
| Publisher: | California Department of Food and Agriculture. |
| Pages: | 47 pp |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
