| Specimen ID | 238938 |
| Group | Tunicates |
| Genus | Botrylloides |
| Species | violaceus |
| Common Name | an orange sheath tunicate |
| State | VA |
| County | York |
| Locality | York River at Yorktown (Amoco Refinery) |
| Mapping Accuracy | Accurate |
| HUC8 Name | York |
| HUC8 Number | 02080107 |
| HUC10 Name | Lower York River |
| HUC10 Number | 0208010702 |
| HUC12 Name | Sarah Creek-York River |
| HUC12 Number | 020801070204 |
| Map | |
| Collection Year | 2000 |
| Year Accuracy | Actual |
| Potential Pathway | shipping hull fouling |
| Status | established |
| Reference 1 |
| Ref. Number: | 24068 |
| Author: | Smithsonian Environmental Research Center. |
| Date: | 2008 |
| Title: | National Exotic Marine and Estuarine Species Information System. |
| Publisher: | Smithsonian Environmental Research Center. |
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| Record Type | Literature |
| Verifier | Dr. Gretchen Lambert |
| Freshwater/Marine | Marine |
