Birch Black Elder Black Locust Carob tree, St John’s Bread Cocoa tree Coconut Colorado Blue Spruce Common Alder Common Aspen Common Hawthorn Common larch Common Oak Eastern White Pine European ash, Common ash European Bird Cherry European Cornel Ginkgo Tree Goat Willow Guelder-rose Horsechestnut Japanese Flowering Cherry Malus Norway Maple Norway Spruce Passion-flower Pine Pomegranate Red Horse-chestnut Rowan Saucer Magnolia Scots Pine Sessile Oak Silver Fir, European Silver Fir Small-leaved Lime Staghorn Sumac Sweet almond tree Swiss Pine Tree Fern Tulip tree Willow

Abies alba Acer platanoides Aesculus hippocastanum Aesculus x carnea Alnus glutinosa Betula pendula Ceratonia siliqua Cocos nucifera Cornus mas Crataegus monogyna Fraxinus excelsior Ginkgo biloba Larix decidua Liriodendron tulipifera Magnolia x soulangeana Malus Passiflora sp. Picea abies Picea pungens - glauca Pinus cembra Pinus strobus Pinus sylvestris Pinus uncinata var.rotundata Polypodiophyta Populus tremula Prunus dulcis Prunus padus Prunus serrulata Punica granatum Quercus petraea Quercus robur Rhus typhina Robinia pseudoacacia Salix Salix caprea Sambucus nigra Sorbus aucuparia Theobroma cacao Tilia cordata Viburnum opulus