| Specimen ID | 240618 |
| Group | Plants |
| Genus | Hydrilla |
| Species | verticillata |
| Subspecies | verticillata |
| Common Name | whorled hydrilla |
| State | SC |
| County | Spartanburg |
| Locality | Lake Edwin Johnson, Croft State Park |
| Mapping Accuracy | Accurate |
| HUC8 Name | Tyger |
| HUC8 Number | 03050107 |
| HUC10 Name | Fairforest Creek |
| HUC10 Number | 0305010704 |
| HUC12 Name | Upper Fairforest Creek |
| HUC12 Number | 030501070402 |
| Map | |
| Collection Year | 2007 |
| Year Accuracy | Publication Year |
| Potential Pathway | hitch hiker on small watercraft | dispersed |
| Status | established |
| Reference 1 |
| Ref. Number: | 16137 |
| Author: | South Carolina Department of Natural Resources. |
| Date: | 2007 |
| Title: | South Carolina Aquatic Plant Management Plan. |
| Publisher: | South Carolina Department of Natural Resources. |
| Volume: | 2007 |
| Issue: | March |
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| Comments | Coverage - approx. 3 acres |
| Record Type | Literature |
| Earliest Record | drainage |
| Freshwater/Marine | Freshwater |
| Specimen Impact | Impaired activities - Boating, fishing |
