| Specimen ID | 1328468 |
| Group | Plants |
| Genus | Myriophyllum |
| Species | spicatum |
| Common Name | Eurasian watermilfoil |
| State | LA |
| County | Orleans |
| Locality | mouth of Bayou St. John, Lake Pontchartrain |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lake Pontchartrain |
| HUC8 Number | 08090202 |
| HUC10 Name | Lake Pontchartrain |
| HUC10 Number | 0809020201 |
| HUC12 Name | Lake Pontchartrain |
| HUC12 Number | 080902020100 |
| Map | |
| Collection Month | 1 |
| Collection Year | 1997 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker |
| Status | extirpated |
| Reference 1 |
| Ref. Number: | 29242 |
| Author: | Poirrier, M.A., B. Maglic, J.C. Francis, C.D. Franze, and H.J. Cho. |
| Date: | 2002 |
| Title: | Effects of the 1997 Bonnet Carré Spillway opening on grassbeds in Lake Pontchartrain |
| Publisher: | United States Geological Survey |
| Volume: | 1634 |
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| Comments | "Large surface mats of Cladophora and increased turbidity from blue-green algal blooms eliminated the Myriophyllum bed in Bayou St. John." |
| Record Type | Literature |
| Freshwater/Marine | Freshwater-Brackish |
