| Specimen ID | 1693532 |
| Group | Plants |
| Genus | Pistia |
| Species | stratiotes |
| Common Name | water lettuce |
| State | IL |
| County | DuPage |
| Locality | Morton Arboretum, East Branch of the DuPage River at Glen Oak Forest Preserve in Glen Ellyn. In the river between Illinois Route 53 and Roosevelt Road (Route 38). Dozens of plants of various sizeswere noted along the river in the areas where the current was not strong. |
| Mapping Accuracy | Accurate |
| HUC8 Name | Des Plaines |
| HUC8 Number | 07120004 |
| HUC10 Name | Du Page River |
| HUC10 Number | 0712000408 |
| HUC12 Name | Headwaters East Branch Du Page River |
| HUC12 Number | 071200040803 |
| Map | |
| Collection Day | 23 |
| Collection Month | 9 |
| Collection Year | 2002 |
| 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 | Dozens of plants of various sizes. Several plants were also observed in the East Branch of the DuPage River at the Churchill Woods Forest Preserve, south of St. Charles Road on October 2, 2002. Here they also associated with Lemna minor. |
| Record Type | Specimen |
| Museum Cat Number | 0035597MOR |
| Verifier | Great Lakes Invasives Network |
| Freshwater/Marine | Freshwater |
