| Specimen ID | 1820937 |
| Group | Plants |
| Genus | Myriophyllum |
| Species | spicatum |
| Common Name | Eurasian watermilfoil |
| State | OR |
| County | Jefferson |
| Locality | Haystack Reservoir |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Deschutes |
| HUC8 Number | 17070306 |
| HUC10 Name | Willow Creek |
| HUC10 Number | 1707030602 |
| HUC12 Name | Dry Canyon |
| HUC12 Number | 170703060204 |
| Map | |
| Collection Day | 18 |
| Collection Month | 8 |
| Collection Year | 2015 |
| Year Accuracy | Actual |
| Reference 1 |
| Ref. Number: | 45006 |
| Author: | NatureServe |
| Date: | 2025 |
| Title: | iMapInvasives: NatureServe’s online data system supporting strategic invasive species management |
| Publisher: | NatureServe |
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| Comments | iMapInvasives source record |
| Record Type | Literature |
