| alnus maritima subsp. maritima | | USA: Marshyhope Creek, MD | | 1198020111 |
| alnus maritima subsp. maritima | | USA: Marshyhope Creek, MD | | 1198020112 |
| alnus maritima subsp. maritima | | USA: Marshyhope Creek, MD | | 1315147623 |
| alnus maritima subsp. maritima | | USA: Marshyhope Creek, MD | | 1315147709 |