Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1706452
| MD | Prince George's | [No locality description provided] | 2017 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
1669483
| MD | Worcester | North of Showell and south of Bishopville, along US Rt. 113, Worcester Highway, between Shingle Road and Jarvis Road, south of Birch Branch, growing at the edge of a sediment retention pond on the east side of the road | 2011 |
02040303
| Chincoteague | unknown |