| Specimen ID | 252637 |
| Group | Tunicates |
| Genus | Didemnum |
| Species | vexillum |
| Common Name | a colonial sea squirt |
| State | NH |
| County | Rockingham |
| Locality | Little Harbor (SW shore of New Castle Island) in Portsmouth |
| Mapping Accuracy | Accurate |
| HUC8 Name | Piscataqua-Salmon Falls |
| HUC8 Number | 01060003 |
| HUC10 Name | Hampton River-Frontal Atlantic Ocean |
| HUC10 Number | 0106000310 |
| HUC12 Name | Piscataqua River-Frontal Portsmouth Harbor |
| HUC12 Number | 010600031001 |
| Map | |
| Collection Day | 5 |
| Collection Month | 11 |
| Collection Year | 2007 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Reference 1 |
| Ref. Number: | 24162 |
| Author: | USGS - Woods Hole Science Center. |
| Date: | 2008 |
| Title: | Marine Nuisance Species, Didemnum, a colonial tunicate; ascidian; sea squirt - New England Coast Location Table. |
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| Comments | on mussels |
| Record Type | Literature |
| Freshwater/Marine | Marine |
