| russula nigricans | | Denmark:Zealand, Bromme Plantage | | 91199857 |
| russula nigricans | | Denmark:Zealand, Rude Forest | | 91199858 |
| russula nigricans | | Denmark:Zealand, Lille Bogeskov | | 91199859 |
| russula nigricans | fagus sylvatica | Denmark:North East Zealand, Gribskov | Fagus sylvatica | 114414804 |