| Specimen ID | 1693430 |
| Group | Plants |
| Genus | Persicaria |
| Species | hydropiper |
| Common Name | marshpepper knotweed |
| State | IL |
| County | Lee |
| Locality | Green River State Conservation Area. Green River Lowland Section of the Grand Prairie Natural Division. Coordinate Datum: WGS84/NAD83. East side of Pump Factory Road along roadside. Walton |
| Mapping Accuracy | Accurate |
| HUC8 Name | Green |
| HUC8 Number | 07090007 |
| HUC10 Name | Walnut Creek-Green River |
| HUC10 Number | 0709000702 |
| HUC12 Name | Town of Maytown-Green River |
| HUC12 Number | 070900070202 |
| Map | |
| Collection Day | 6 |
| Collection Month | 9 |
| Collection Year | 2000 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | unknown |
| Reference 1 |
| Ref. Number: | 27378 |
| Author: | Cranberg, C., and R. Keller |
| Date: | 2020 |
| Title: | Illinois Database of Aquatic Non-native Species |
| Publisher: | School of Environmental Sustainability, Loyola University Chicago |
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| Reference 2 |
| Ref. Number: | 28887 |
| Author: | Minnaert-Grote, J. (manager). |
| Date: | 2015 |
| Title: | Illinois Natural History Survey Herbarium (ILLS) |
| Publisher: | Prairie Research Institute, Illinois Natural History Survey |
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| Comments | Duplicate sent to PE |
| Record Type | Specimen |
| Museum Cat Number | ILLS00078761 |
| Verifier | Great Lakes Invasives Network |
| Freshwater/Marine | Freshwater |
