| caenis sp. ami 1 | | USA: Maryland, CE, Elk River, Northeast Creek | | 310690312 |
| caenis sp. ami 1 | | USA: Maryland, CH, Lower Potomac River, UT Myrtle Grove Lake/UT Mattawoman Creek | | 310690308 |
| caenis sp. ami 1 | | USA: Maryland, AL, North Branch Potomac River, Pea Vine Run | | 310690304 |
| caenis sp. ami 1 | | USA: Maryland, AL, Sideling Hill Creek, Upper Potomac River | | 308223878 |
| caenis sp. ami 1 | | USA: Maryland, PG, Lower Potomac River, Mattawoman Creek | | 308223876 |
| caenis sp. ami 1 | | USA: Maryland, FR, Middle Potomac River, Fishing Creek | | 308223462 |