art floral seamless pattern. stylized eucalyptus branches on a dark green background.

air april art awareness background banner basic biology black branches brown card celebration concept conservation dark day design doodle earth eco ecological ecology ecosystem emblem environment eucalypt eucalyptus floral global globe green gum gumtree illustration international isolated leaf leaves light logo mallee messmate mother mothers nature organic pattern peppermint planet poster protect protection recreational recycle rgb save seamless stylized template tree twigs white wildlife world