| ophiostoma novo-ulmi | species | eukaryota | plants | species | 42373 |
| ophiostoma novo-ulmi subsp. americana | subspecies | eukaryota | plants | subspecies | 170178 |
| ophiostoma novo-ulmi subsp. novo-ulmi | subspecies | eukaryota | plants | subspecies | 170179 |
| ophiostoma novo-ulmi subsp. novo-ulmi h327 | no rank | | | no rank | 1224258 |