| Specimen ID | 232872 |
| Group | Plants |
| Genus | Marsilea |
| Species | quadrifolia |
| Common Name | European water-clover |
| State | PA |
| County | Delaware |
| Locality | Swarthmore College, .75 mi NW |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Delaware |
| HUC8 Number | 02040202 |
| HUC10 Name | Raccoon Creek-Delaware River |
| HUC10 Number | 0204020206 |
| HUC12 Name | Crum Creek |
| HUC12 Number | 020402020601 |
| Map | |
| Collection Year | 1997 |
| Year Accuracy | Publication Year |
| Potential Pathway | unknown |
| Status | established |
| Reference 1 |
| Ref. Number: | 10518 |
| Author: | Pennsylvania Flora Database. |
| Date: | 2011 |
| Title: | Pennsylvania Flora Project |
| Publisher: | Morris Arboretum at the University of Pennsylvania (MOAR) |
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| Comments | CollectorNumber: 365840 |
| Record Type | Literature |
| Museum Cat Number | herb/ CM |
| Freshwater/Marine | Freshwater |
