A head showing a berry or berries - the berries still have to be visible and not be manufactured to something else.

The entire head is a flower or flower bulb.

A head showing a fruit or fruits in or on other items.

Bushes, leaves, bushes with berries, or leaves covering logs.

Heads depicting a nut: a dry fruit that consists of a hard shell covering a single seed, culinary nuts from the drupe family, or peanuts from the legume family. These heads can be shown as a complete head, be an obvious part of a nut, be an icon or symbol of a nut, or have definitive nuts on or as a part of the head.

A head showing a pumpkin or a carved pumpkin

A head showing vegetables or vegetables in or on other items - the piece of vegetable must be visible.