| Ref ID | Type | Author | Date | Title |
|
32042
| Database | Brouillet, L., F. Coursol, and M. Favreau | 2006 | VASCAN, the Database of Vascular Plants of Canada |
|
24369
| Database | Center for Invasive Species and Ecosystem Health. | 2019 | EDDMapS: Early detection and distribution mapping system |
|
27378
| Database | Cranberg, C., and R. Keller | 2020 | Illinois Database of Aquatic Non-native Species |
|
32035
| Book | Furlow, J.J. | 1991 | The vascular flora of Ohio: Vol. 2, Part 1 - Dicotyledoneae: Saururaceae through Fabaceae. |
|
32036
| Book | Glenn, S.D. | 2013 | New York Metropolitan Flora database |
|
33759
| Database | iDigBio | 2019 | Integrated Digitized Biocollections (iDigBio) |
|
32037
| Report | Mitchell, R.S. (ed.) | 1986 | A checklist of New York State plants. Contributions of a Flora of New York State, Checklist III. New York State Bulletin No. 458 |
|
10342
| Book | Mohlenbrock, R.H. | 1986 | Guide to the vascular flora of Illinois, rev. ed. |
|
32038
| Book | New York Flora Association | 1990 | Preliminary vouchered atlas of New York State flora, ed. 1 |
|
28182
| Database | Re, R. (curator), and C. Niezgoda (manager). | 2015 | Field Museum of Natural History (F) Seed Plant Collection |
|
32040
| Report | Rhoads, A.F., and W.M. Klein, Jr. | 1993 | The vascular flora of Pennsylvania. Annotated checklist and atlas |
|
35441
| Database | U-M Library Digital Collections. | 2021 | University of Michigan Herbarium Catalog Collection |
|
10675
| Book | Voss, E.G. | 1985 | Michigan Flora: A guide to the identification and occurrence of the native and naturalized seed-plants of the state. Part IIDicots (Saururaceae-Cornaceae). |
|
30641
| Book | Weishaupt, C.G. | 1971 | Vascular plants of Ohio: a manual for use in field and laboratory |
|
32041
| Book | Wherry, E.T., J.M. Fogg, and H.A. Wahl | 1979 | Atlas of the flora of Pennsylvania |
