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

Abies alba Aesculus hippocastanum Aesculus x carnea Alnus glutinosa Betula pendula Ceratonia siliqua Cocos nucifera Cornus mas Crataegus monogyna 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 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 Viburnum opulus