| china | | nowellia sp. he-nygren 1097 | species | 1 | 0 |
| china | hunan | nowellia sp. he-nygren 1097 | species | 2 | 0 |
| dominica | | nowellia dominicensis | species | 2 | 0 |
| dominica | | nowellia wrightii | species | 6 | 0 |
| dominican republic | peravia province | nowellia curvifolia | species | 3 | 0 |
| germany | bavaria | nowellia curvifolia | species | 3 | 0 |
| japan | hiroshima prefecture | nowellia curvifolia | species | 1 | 0 |
| mexico | | nowellia curvifolia | species | 2 | 0 |
| poland | | nowellia curvifolia | species | 2 | 0 |
| russia | moscow city | nowellia curvifolia | species | 2 | 0 |
| united states | | nowellia curvifolia | species | 10 | 0 |
| united states | massachusetts | nowellia curvifolia | species | 2 | 0 |