Alnus incana

Alnus incana

Gray Alder, Grey Alder, Hoary Alder, Mountain Alder

Alnus glutinosa

Alnus glutinosa

European Alder

Alnus rhombifolia

Alnus rhombifolia

Sierra Alder, White Alder

Alnus firma

Alnus firma

Asian Alder, Firma Alder, Japanese Green Alder

Alnus incana

Alnus incana subsp. tenuifolia

ssp. tenuifolia

Mountain Alder, Thinleaf Alder

Alnus rubra

Alnus rubra

Red Alder

Alnus cordata

Alnus cordata

Italian Alder

Alnus hirsuta

Alnus hirsuta

Manchurian Alder

Alnus japonica

Alnus japonica

Japanese Alder

Alnus nepalensis

Alnus nepalensis

Nepal Alder, Utis

Alnus sinuata

Alnus sinuata

Sitka Alder

Corylus avellana

Corylus avellana

Common Filbert, Common Hazelnut, European Filbert, European Hazelnut

Corylus colurna

Corylus colurna

Turkish Filbert, Turkish Hazelnut