| adiantum pedatum | | USA: Maryland, Cecil Co., Conowingo, Pilot Serpentine Barrens, flat area next to path | | 973425217 |
| adiantum pedatum | | USA: Maryland, Cecil Co., Conowingo, Pilot Serpentine Barrens, foot of bank near entrance | | 973425216 |
| adiantum pedatum | | USA: Maryland, Cecil Co., Goat Hill Barrens, on slope in powerline cut | | 973425211 |
| adiantum pedatum | | USA: Maryland, Harford Co., Bald Hill, nr. Broad Creek Landing, rocky slope in powerline cut | | 973425206 |
| adiantum pedatum | | USA: Maryland, Cecil Co., Conowingo, Pilot Serpentine Barrens, flat area next to path | | 973425204 |
| adiantum pedatum | | USA: Maryland, Cecil Co., Conowingo, Pilot Serpentine Barrens, foot of bank near entrance | | 973425202 |
| adiantum pedatum | | USA: Maryland, Cecil Co., Goat Hill Barrens, on slope in powerline cut | | 973425192 |
| adiantum pedatum | | USA: Maryland, Harford Co., Bald Hill, nr. Broad Creek Landing, rocky slope in powerline cut | | 973425182 |
| adiantum pedatum | | USA: Maryland | | 343479420 |