| Specimen ID | 1438583 |
| Group | Plants |
| Genus | Hydrilla |
| Species | verticillata |
| Subspecies | verticillata |
| Common Name | whorled hydrilla |
| State | CA |
| County | Calaveras |
| Locality | Carl Kerstan. Still Water, Pond, Or Lake. , 19325 Jesus Mana Rd., Mokelumne Hill., confirm hydilla. 1st find of season here.. PDR P175380 |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper Calaveras California |
| HUC8 Number | 18040011 |
| HUC10 Name | San Antonio Creek-South Fork Calaveras River |
| HUC10 Number | 1804001101 |
| HUC12 Name | Calaveritas Creek |
| HUC12 Number | 180400110106 |
| Map | |
| Collection Day | 21 |
| Collection Month | 7 |
| Collection Year | 2003 |
| Year Accuracy | Actual |
| Potential Pathway | released aquarium |
| Status | eradicated |
| Reference 1 |
| Ref. Number: | 25610 |
| Author: | Calflora |
| Date: | 2021 |
| Title: | The Calflora Database: Information on California plants for education, research and conservation |
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| Comments | Calflora observation ID: xr176862 |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
