| canada | ontario | alnus glutinosa | species | 8 | 0 |
| china | | alnus glutinosa | species | 5 | 0 |
| finland | | alnus glutinosa | species | 1 | 0 |
| france | | alnus glutinosa | species | 4 | 0 |
| france | rhone-alpes region | alnus glutinosa | species | 4 | 0 |
| georgia | | alnus glutinosa subsp. barbata | subspecies | 50 | 0 |
| germany | | alnus glutinosa | species | 1 | 0 |
| india | | alnus glutinosa | species | 3 | 0 |
| ireland | | alnus glutinosa | species | 2 | 0 |
| italy | umbria region | alnus glutinosa | species | 3 | 0 |
| netherlands | | alnus glutinosa | species | 6 | 0 |
| netherlands | groningen province | alnus glutinosa | species | 3 | 0 |
| netherlands | overijssel province | alnus glutinosa | species | 33 | 0 |
| spain | | alnus glutinosa | species | 1 | 0 |
| turkey | giresun province | alnus glutinosa subsp. glutinosa | subspecies | 7 | 0 |
| united kingdom | | alnus glutinosa | species | 5 | 0 |
| united kingdom | england | alnus glutinosa | species | 1 | 0 |
| united kingdom | england | alnus glutinosa subsp. glutinosa | subspecies | 2 | 0 |