| Specimen ID | 1418847 |
| Group | Plants |
| Genus | Hydrilla |
| Species | verticillata |
| Subspecies | verticillata |
| Common Name | whorled hydrilla |
| State | LA |
| County | St. John the Baptist |
| Locality | mouth of Blind River |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lake Maurepas |
| HUC8 Number | 08070204 |
| HUC10 Name | Lake Maurepas |
| HUC10 Number | 0807020404 |
| HUC12 Name | 080702040400 |
| HUC12 Number | 080702040400 |
| Map | |
| Collection Day | 13 |
| Collection Month | 5 |
| Collection Year | 2005 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Reference 1 |
| Ref. Number: | 30608 |
| Author: | Poirrier, M.A., C.E. Caputo, and C.D. Franze. |
| Date: | 2017 |
| Title: | Biogeography of Submerged Aquatic Vegetation (SAV) in the Pontchartrain Basin: Species Salinity Zonation and 1953–2016 Lake Pontchartrain Trends |
| Journal: | Southeastern Geographer |
| Volume: | 57 |
| Issue: | 3 |
| Pages: | 273-293 |
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| Comments | Salinity 0.5 ppt |
| Record Type | Literature |
| Freshwater/Marine | Brackish |
