| Specimen ID | 274509 |
| Group | Plants |
| Genus | Marsilea |
| Species | quadrifolia |
| Common Name | European water-clover |
| State | CT |
| County | Fairfield |
| Locality | Lake Zoar, growing on sand in 0.25 m of water |
| Mapping Accuracy | Accurate |
| HUC8 Name | Housatonic |
| HUC8 Number | 01100005 |
| HUC10 Name | Still River-Housatonic River |
| HUC10 Number | 0110000508 |
| HUC12 Name | Outlet Still River |
| HUC12 Number | 011000050803 |
| Map | |
| Collection Day | 28 |
| Collection Month | 8 |
| Collection Year | 2007 |
| Year Accuracy | Actual |
| Potential Pathway | dispersed |
| Status | collected |
| Reference 1 |
| Ref. Number: | 19670 |
| Author: | Gibbons, J. |
| Date: | 2011 |
| Title: | The Connecticut Agricultural Extension Station Aquatic Plant Survey Program. |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
