autumn leaves flat line icons. leaf types, rowan, birch tree, maple, chestnut, oak, cedar pine, linden guelder rose thin

acacia alder apple aspen autumn beech birch botany briar cedar chestnut collection color dogrose fall flat flora floral forest hawthorn icons illustration isolated leaf leaves linden line maple natural nature oak outline pictogram pine plant poplar red rowan rowanberry season seasonal september set sign symbol tree vector viburnum willow