Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1669789
| MD | Anne Arundel | Patuxent Research Refuge, North Tract. Bailey Bridge Swamp between road and swamp, 550 feet E of Bailey's Bridge | 2013 |
02060006
| Patuxent | unknown |
1669392
| MD | Howard | Town of Columbia, MD Rt. 175, Little Patuxent Parkway, between US Rt. 29 Columbia Pike and Thunder Hill Road, on north side of highway | 2013 |
02060006
| Patuxent | unknown |
1661484
| MD | Howard | Town of Columbia, MD Rt. 175, Little Patuxent Parkway, between US Rt. 29 Columbia Pike and Thunder Hill Road, on north side of highway. | 2013 |
02060006
| Patuxent | unknown |
1669269
| MD | Howard | Town of Jessup, along Dorsey Run Road at the railroad tracks | 2010 |
02060006
| Patuxent | unknown |
1668952
| MD | Howard | Town of Jessup, along Dorsey Run Road at the railroad tracks, growing along the roadside. | 2010 |
02060006
| Patuxent | unknown |