| spartina mottle virus | cynodon dactylon | Italy: Assisi | Cynodon dactylon | 20147554 |
| phoxinus phoxinus | | Italy: Asolo, River Museno | | 446512627 |
| dictyota cyanoloma | | italy: aspra | | 1935607113 |
| actinobacterium cch1fa | centaurea horrida | Italy: Asinara Island, near Sardinia | Centaurea horrida | 256576989 |
| soldanella calabrella | | Italy: Aspromonte massif (southern Apennines) | | 920768594 |
| soldanella calabrella | | Italy: Aspromonte massif (southern Apennines) | | 920768590 |
| soldanella calabrella | | Italy: Aspromonte massif (southern Apennines) | | 920768586 |
| tricholoma caligatum | | Italy: Aspromante, Carabria | | 334279135 |
| bovine viral diarrhea virus 1 | bos taurus | Italy: Asti | Bos taurus | 1070637138 |