| Specimen ID | 229709 |
| Group | Plants |
| Genus | Ludwigia |
| Species | grandiflora |
| Common Name | large-flower primrose-willow |
| State | AR |
| County | Union |
| Locality | Union county |
| Mapping Accuracy | Centroid |
| Centroid Type | County |
| HUC8 Name | Lower Ouachita-Bayou De Loutre |
| HUC8 Number | 08040202 |
| Map | |
| Collection Month | 8 |
| Collection Year | 1988 |
| Year Accuracy | Publication Year |
| Potential Pathway | unknown |
| Status | established |
| Reference 1 |
| Ref. Number: | 10298 |
| Author: | Smith, E.B. |
| Date: | 1988 |
| Title: | An atlas and annotated list of the vascular plants of Arkansas. |
| Publisher: | University of Arkansas. |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
