alder
ament
background
beautiful
beauty
black alder
blooming
botany
branch
brown
bud
buds
catkin
clear
closeup
common alder
european alder
flora
floral
flower
foliage
forest
garden
green
growth
leaf
life
macro
natural
nature
new
outdoors
park
plant
plants
pollen
season
spring
spring buds
springtime
summer
tree
twig
woods
young