| Specimen ID | 230900 |
| Group | Plants |
| Genus | Hydrilla |
| Species | verticillata |
| Subspecies | peregrina |
| Common Name | wandering hydrilla |
| State | MD |
| County | Montgomery |
| Locality | Chesapeake and Ohio Canal, Violettes Lock, near Seneca |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle Potomac-Catoctin |
| HUC8 Number | 02070008 |
| HUC10 Name | Difficult Run-Potomac River |
| HUC10 Number | 0207000810 |
| HUC12 Name | Nichols Run-Potomac River |
| HUC12 Number | 020700081005 |
| Map | |
| Collection Year | 1982 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Reference 1 |
| Ref. Number: | 10650 |
| Author: | Steward, K.K., T.K. Van, V. Carter, and A.H. Pieterse |
| Date: | 1984 |
| Title: | Hydrilla invades Washington, D.C. and the Potomac. |
| Journal: | American Journal of Botany |
| Volume: | 71 |
| Issue: | 1 |
| Pages: | 162-163 |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
