| Specimen ID | 1320967 |
| Group | Plants |
| Genus | Egeria |
| Species | densa |
| Common Name | Brazilian waterweed |
| State | MD |
| County | Prince George's |
| Locality | Green Pond |
| Mapping Accuracy | Accurate |
| HUC8 Name | Patuxent |
| HUC8 Number | 02060006 |
| HUC10 Name | Upper Patuxent River |
| HUC10 Number | 0206000604 |
| HUC12 Name | Horsepen Branch-Patuxent River |
| HUC12 Number | 020600060401 |
| Map | |
| Collection Day | 6 |
| Collection Month | 8 |
| Collection Year | 1953 |
| Year Accuracy | Actual |
| Potential Pathway | escaped captivity pond | released aquarium |
| Status | unknown |
| Reference 1 |
| Ref. Number: | 13276 |
| Author: | Neel, M. (director), J. Hall (curator), and N. Anderson. |
| Date: | 2014 |
| Title: | Norton-Brown Herbarium (MARY) |
| Publisher: | University of Maryland |
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| Comments | MARY 21020 |
| Record Type | Specimen |
| Disposal | Univ. of Maryland Norton-Brown Herbarium |
| Museum Cat Number | MARY 21020 |
| Verifier | James L. Reveal |
| Freshwater/Marine | Freshwater |
| Photo | |
