| Ref ID | Type | Author | Date | Title |
|
23878
| Journal Article | Brown, A. | 1879 | Ballast plants in New York City and its vicinity. |
|
27378
| Database | Cranberg, C., and R. Keller | 2020 | Illinois Database of Aquatic Non-native Species |
|
28480
| Database | Miller, A. | 2016 | Morton Arboretum Data Collection |
|
703
| Journal Article | Mills, E.L., J.H. Leach, J.T. Carlton, and C.L. Secor | 1993 | Exotic species in the Great Lakes: a history of biotic crises and anthropogenic introductions |
|
28887
| Database | Minnaert-Grote, J. (manager). | 2015 | Illinois Natural History Survey Herbarium (ILLS) |
|
31186
| Database | Reznicek, AA, E.g., Voss, and B.S. Walters. | 2011 | Michigan Flora Online |
|
23877
| Journal Article | Stuckey, R.L., and Phillips, W.L | 1970 | Distributional history of Lycopus europaeus (European water horehound) in North America. |
|
25944
| Database | Ueda, K., J. Belmonte, A. Shepard, P. Leary, and S. Loarie. | 2021 | iNaturalist.org |
|
28698
| Report | US Environmental Protection Agency. | 2016 | National Wetland Condition Assessment: 2011 Technical Report. EPA-843-R-15-006 |
|
17521
| Database | USDA, NRCS. | 2016 | The PLANTS Database |
