| Specimen ID | 1397620 |
| Group | Plants |
| Genus | Marsilea |
| Species | quadrifolia |
| Common Name | European water-clover |
| State | MA |
| County | Middlesex |
| Locality | Edges of the Sudbury River from Sherman's Bridge Road, Wayland, to Lowell Road, Concord. Concord River edges from Lowell Road, Concord, to about the Concord Impoundments at 42.465 / -71.358. |
| Mapping Accuracy | Accurate |
| HUC8 Name | Concord River |
| HUC8 Number | 01070005 |
| HUC10 Name | Sudbury River |
| HUC10 Number | 0107000501 |
| HUC12 Name | Hop Brook-Sudbury River |
| HUC12 Number | 010700050104 |
| Map | |
| Collection Day | 8 |
| Collection Month | 6 |
| Collection Year | 2014 |
| Year Accuracy | Actual |
| Potential Pathway | escaped captivity | hitch hiker |
| Status | established |
| Reference 1 |
| Ref. Number: | 24369 |
| Author: | Center for Invasive Species and Ecosystem Health. |
| Date: | 2019 |
| Title: | EDDMapS: Early detection and distribution mapping system |
| Publisher: | The University of Georgia |
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| Comments | EDDMapS report |
| Record Type | Literature |
| Museum Cat Number | 3907688 |
| Verifier | Ian Pfingsten |
| Freshwater/Marine | Freshwater |
| Photo | |
