Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1669444
| MD | Queen Anne's | Town of Grasonville, along Chester River Beach Road, just north of MD Rt. 18, Main Street, growing in a ditch along the east side of the road | 2010 |
02060002
| Chester-Sassafras | unknown |
1669466
| MD | Talbot | Town of Easton along MD Rt. 33, St. Michaels Rd, W of MD Rt. 329; Royal Oak Road; Eastern Shore | 2010 |
02060002
| Chester-Sassafras | unknown |