| Specimen ID | 1692451 |
| Group | Plants |
| Genus | Persicaria |
| Species | hydropiper |
| Common Name | marshpepper knotweed |
| State | IL |
| County | Tazewell |
| Locality | Caterpillar Bog, East Peoria |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Illinois-Senachwine Lake |
| HUC8 Number | 07130001 |
| HUC10 Name | Farm Creek |
| HUC10 Number | 0713000116 |
| HUC12 Name | Coal Creek-Farm Creek |
| HUC12 Number | 071300011602 |
| Map | |
| Collection Day | 24 |
| Collection Month | 9 |
| Collection Year | 1949 |
| 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: | 30307 |
| Author: | Gerber, D. (curator). |
| Date: | 2016 |
| Title: | University of Wisconsin Herbarium (UWL) |
| Publisher: | University of Wisconsin-La Crosse |
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| Comments | water pepper, common smartweed |
| Record Type | Specimen |
| Museum Cat Number | UWL0005340 |
| Verifier | Great Lakes Invasives Network |
| Freshwater/Marine | Freshwater |
