| Specimen ID | 1337692 |
| Group | Plants |
| Genus | Ludwigia |
| Species | grandiflora |
| Common Name | large-flower primrose-willow |
| State | AR |
| County | Little River |
| Locality | Millwood Lake |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Little Arkansas, Oklahoma |
| HUC8 Number | 11140109 |
| HUC10 Name | Millwood Lake |
| HUC10 Number | 1114010911 |
| HUC12 Name | Beaver Creek-Millwood Lake |
| HUC12 Number | 111401091102 |
| Map | |
| Collection Day | 24 |
| Collection Month | 11 |
| Collection Year | 2015 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Reference 1 |
| Ref. Number: | 29521 |
| Author: | Barnett, J. |
| Date: | 2016 |
| Title: | Arkansas ANS Database (unpublished data). |
| Publisher: | Arkansas Game and Fish Commission |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
