| Specimen ID | 229036 |
| Group | Plants |
| Genus | Marsilea |
| Species | quadrifolia |
| Common Name | European water-clover |
| State | MO |
| County | Boone |
| Locality | Watkins pond, Southwest of Midway |
| Mapping Accuracy | Approximate |
| HUC8 Name | Lower Missouri-Moreau |
| HUC8 Number | 10300102 |
| Map | |
| Collection Day | 12 |
| Collection Month | 6 |
| Collection Year | 1963 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Reference 1 |
| Ref. Number: | 10297 |
| Author: | Johnson, D.M. |
| Date: | 1985 |
| Title: | Marsilea quadrifolia and M. vestita in the floras of Kansas and Missouri. |
| Journal: | American Fern Journal |
| Volume: | 75 |
| Issue: | 1 |
| Pages: | 28-29 |
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| Reference 2 |
| Ref. Number: | 10724 |
| Author: | Yatskievych, G. |
| Date: | 1999 |
| Title: | Steyermark's Flora of Missouri, Vol 1. |
| Publisher: | The Missouri Dept of Conservation, Jefferson City, MO in cooperation with the Missouri Botanical Garden Press, St Louis, MO. |
| Pages: | 991 |
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| Comments | Unable to find Watkins Pond. |
| Record Type | Literature |
| Museum Cat Number | herb/SMS |
| Freshwater/Marine | Freshwater |
