| Specimen ID | 1693016 |
| Group | Plants |
| Genus | Nasturtium |
| Species | officinale |
| Common Name | water-cress |
| State | IL |
| County | DeKalb |
| Locality | A large population in a clear-water drainage ditch on the S side of US 30, 1/4 mi E of IL 23, E of Waterman. |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Fox |
| HUC8 Number | 07120007 |
| HUC10 Name | Somonauk Creek |
| HUC10 Number | 0712000704 |
| HUC12 Name | Headwaters Somonauk Creek |
| HUC12 Number | 071200070401 |
| Map | |
| Collection Day | 25 |
| Collection Month | 5 |
| Collection Year | 1991 |
| 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: | 18446 |
| Author: | Morton Arboretum |
| Date: | 2017 |
| Title: | Morton Arboretum Herbarium (MOR) |
| Publisher: | SEINet Data Portal |
| Volume: | 2009 |
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| Comments | A large population |
| Record Type | Specimen |
| Museum Cat Number | 0011548MOR |
| Verifier | Great Lakes Invasives Network |
| Freshwater/Marine | Freshwater |
