| Specimen ID | 279656 |
| Group | Plants |
| Genus | Rorippa |
| Species | sylvestris |
| Common Name | keek |
| State | PA |
| County | Philadelphia |
| Locality | Philadelphia |
| Mapping Accuracy | Approximate |
| HUC8 Name | Schuylkill |
| HUC8 Number | 02040203 |
| Map | |
| Collection Day | 0 |
| Collection Month | 0 |
| Collection Year | 1818 |
| Year Accuracy | Actual |
| Potential Pathway | shipping solid ballast |
| Status | established |
| Reference 1 |
| Ref. Number: | 703 |
| Author: | Mills, E.L., J.H. Leach, J.T. Carlton, and C.L. Secor |
| Date: | 1993 |
| Title: | Exotic species in the Great Lakes: a history of biotic crises and anthropogenic introductions |
| Journal: | Journal of Great Lakes Research |
| Volume: | 19 |
| Issue: | 1 |
| Pages: | 1-54 |
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| Reference 2 |
| Ref. Number: | 10270 |
| Author: | Stuckey, R.L. |
| Date: | 1966 |
| Title: | The distribution of Rorippa sylvestris (Cruciferae) in North America. |
| Journal: | SIDA, Contributions to Botany |
| Volume: | 2 |
| Issue: | 5 |
| Pages: | 361-376 |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
