| Specimen ID | 1321229 |
| Group | Plants |
| Genus | Najas |
| Species | minor |
| Common Name | brittle waternymph |
| State | IL |
| County | McDonough |
| Locality | Argyle Lake, Argyle Lake State Park |
| Mapping Accuracy | Accurate |
| HUC8 Name | La Moine |
| HUC8 Number | 07130010 |
| HUC10 Name | East Fork La Moine River |
| HUC10 Number | 0713001003 |
| HUC12 Name | Argyle Lake-East Fork La Moine River |
| HUC12 Number | 071300100306 |
| Map | |
| Collection Day | 20 |
| Collection Month | 10 |
| Collection Year | 1964 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Reference 1 |
| Ref. Number: | 28885 |
| Author: | Seigler, D. (curator). |
| Date: | 2014 |
| Title: | University of Illinois Herbarium (ILL) |
| Publisher: | University of Illinois |
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| Comments | Glen S. Winterringer 22459 (ILL) |
| Record Type | Specimen |
| Disposal | University of Illinois Herbarium |
| Museum Cat Number | ILL 00068232 & ILL 00068233 |
| Verifier | John E. Ebinger |
| Freshwater/Marine | Freshwater |
