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Aspen tree Populus tremula showing shrubby habit form

Aspen sprig Populus tremula showing leaves and buds

Aspen Populus tremula sprig and catkins and flowers

Ash tree showing habit and growth form

Ash leaflets and ash keys on a twig

Ash Fraxinus excelsior sketchbook study focusing on leaves, habit, and ash keys

Ash Fraxinus excelsior pen and ink stippled drawing of the tree without leaves

Ash Fraxinus excelsior twig in bud and leaf spray