Property:Flap presence Property "Flap presence" and the assigned parent property "Presence" have different type annotations.A Text property defining a single value. Structure: flap Character: presence A quantity property Types of flap presence None. Parts of flap presence None. Usage1previous 5,0002050100250500next 5,000FilterShowing 1 page using this property.ZZostera marina +absent + Category: Quantity