Horsetail, Field horsetail, Equisetum arvense.

Horsetail, Field horsetail, Equisetum arvense.

Walnut, Juglans regia.

Lilac, Syringa vulgaris.

Hop, Humulus lupulus.

Leaf.

Cow Parsley, Anthriscus sylvestris.

Field Maple, Acer campestre.

Grass.

Marigold, Calendula.

Poplar, Populus andalucia.

Plum, Prunus domestica.