alder
alnus glutinosa
background
betulaceae
black alder
blooming
blossom
botanical
botany
branch
branches
brown
catkins
common alder
deciduous
dyeing
environment
european alder
flora
folk medicine
fruit
green
in bloom
inflorescence
landscape
leaf
leaves
natures
outdoor
paper manufacture
plant
pollen allergy
riverbanks
season
shape
silhouette
sky
smoked foods
summer
tanning
tree
uncultivated
wood