silk

Tree of Heaven Ailanthus altissima sketchbook study page and habit sketch

Tree of Heaven Ailanthus altissima habit drawing showing mature tree in flower

Tree of Heaven Allanthus alitissima  comparing bark of mature tree (on left) with young tree (on right)

Tree of Heaven AIlanthus alitissima bark of old tree showing grey colour and deep fissures

Tree of Heaven AIlanthus alitissima bark of young tree showing heart shaped leaf scar

Heath fritillary butterfly Melitaea athalia on cowwheat with speedwell, one in flight and one showing folded underwings

Atlas moth Attacus atlas with wings outstretched showing glorious brown and orange marks on wings and feathered antennae