| Ref ID | Type | Author | Date | Title |
|
17277
| Database | | 2008 | The George Safford Torrey Herbarium Database. |
|
17932
| Web Page | Anonymous | 2007 | Invasive aquatic plants found in Connecticut lakes and ponds from 2004 to 2006. |
|
19670
| Web Page | Gibbons, J. | 2011 | The Connecticut Agricultural Extension Station Aquatic Plant Survey Program. |
|
25944
| Database | iNaturalist | 2024 | |
|
18393
| Journal Article | Les, D.H., R.S. Capers, and N.P. Tippery | 2006 | Introduction of Glossostigma (Phrymaceae) to North America: a taxonomic and ecological overview. |
|
28831
| Database | New Jersey Invasive Species Strike Team. | 2018 | Interactive map |
|
10518
| Database | Pennsylvania Flora Database. | 2011 | Pennsylvania Flora Project |
|
28793
| Database | Thiers, B. (director), and M. Pace (curator). | 2015 | Brooklyn Botanic Garden Herbarium (BKL) |
