| Specimen ID | 1655120 |
| Group | Plants |
| Genus | Ludwigia |
| Species | peploides |
| Common Name | floating primrose-willow |
| State | NY |
| County | Suffolk |
| Locality | Riverhead, Sweyze Pond, N side of Peconic Lake along LIRR pond margin |
| Mapping Accuracy | Accurate |
| HUC8 Name | Southern Long Island |
| HUC8 Number | 02030202 |
| HUC10 Name | Peconic River |
| HUC10 Number | 0203020205 |
| HUC12 Name | Middle Peconic River |
| HUC12 Number | 020302020502 |
| Map | |
| Collection Day | 8 |
| Collection Month | 7 |
| Collection Year | 2004 |
| Year Accuracy | Actual |
| Potential Pathway | dispersed | hitch hiker |
| Status | established |
| Reference 1 |
| Ref. Number: | 10669 |
| Author: | Academy of Natural Sciences |
| Date: | 2016 |
| Title: | Academy of Natural Sciences of Drexel University Herbarium (PH) |
| Publisher: | SEINet Data Portal |
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| Reference 2 |
| Ref. Number: | 28331 |
| Author: | SEINet Portal Network. |
| Date: | 2021 |
| Title: | Southwest Environmental Information Network |
| Publisher: | Symbiota Software Project, Arizona State University |
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| Comments | Georeferenced by NAS staff |
| Record Type | Specimen |
| Earliest Record | county |
| Disposal | PH |
| Museum Cat Number | 446392 |
| Verifier | Ian Pfingsten |
| Freshwater/Marine | Freshwater |
| Year Class | Flower |
