| Specimen ID | 1687224 |
| Group | Plants |
| Genus | Egeria |
| Species | densa |
| Common Name | Brazilian waterweed |
| State | MA |
| County | Middlesex |
| Locality | 60 Scotch Pine Road, Gerald Kroft's property |
| Mapping Accuracy | Accurate |
| HUC8 Name | Charles |
| HUC8 Number | 01090001 |
| HUC10 Name | Lower Charles River-Frontal Boston Harbor |
| HUC10 Number | 0109000107 |
| HUC12 Name | Fuller Brook-Charles River |
| HUC12 Number | 010900010701 |
| Map | |
| Collection Day | 13 |
| Collection Month | 8 |
| Collection Year | 2009 |
| Year Accuracy | Actual |
| Potential Pathway | released aquarium | hitch hiker on waterfowl |
| Status | unknown |
| Reference 1 |
| Ref. Number: | 28633 |
| Author: | Seidler, T. (curator). |
| Date: | 2014 |
| Title: | University of Massachusetts Herbarium (MASS) |
| Publisher: | University of Massachusetts |
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| Reference 2 |
| Ref. Number: | 27725 |
| Author: | Consortium of Northeastern Herberia (CNH). |
| Date: | 2023 |
| Title: | Herbarium Specimen Data Sharing Portal for CNH |
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| Record Type | Specimen |
| Earliest Record | county |
| Disposal | Herbarium |
| Museum Cat Number | MASS00313719 |
| Verifier | Ian Pfingsten |
| Freshwater/Marine | Freshwater |
