Pinus brutia
Bosnian Pine (Pinus heldreichii)
Atlas cedar (Cedrus atlantica)
Douglas fir (Pseudotsuga menziesii)
Mediterranean Cypress (Cupressus sempervirens)
Greek Juniper (Juniperus excelsa)
Common Juniper (Juniperus communis)
Prickly Juniper (Juniperus oxycedrus)
Dawn Redwood (Metasequoia glyptostroboides)
Chinese thuja (Platycladus orientalis)
Tree of Heaven (Ailanthus altissima)
Northern Catalpa (Catalpa speciosa)
Persian Silk Trees (Albizia julibrissin)
Judas tree (Cercis siliquastrum)
Black Locust (Robinia pseudoacacia)
Hop Hornbeam (Ostrya carpinifolia)
Corylus colurna
Oriental hornbeam (Carpinus orientalis)
European white elm (Ulmus laevis)
Celtis glabrata
European nettle tree (Celtis australis)
Oriental beech (Fagus orientalis)
European Beech (Fagus sylvatica)
Sweet Chestnut (Castanea sativa)
Hungarian oak (Quercus frainetto)
Kermes Oak (Quercus coccifera)
Strandzha oak (Quercus hartwissiana)
Red Elderberry (Sambucus racemosa)
Salix alba
Salix pentandra
Balkan maple (Acer heldreichii)
Montpellier maple (Acer monspessulanum)
Norway Maple (Acer platanoides)
Sycamore (Acer pseudoplatanus)
Staphylea pinnata
Horse Chestnut (Aesculus hippocastanum)
Small-leaved Lime (Tilia cordata)
Tilia platyphyllos
Tilia rubra
Raywood Ash (Fraxinus oxycarpa)
Russian olive (Elaeagnus angustifolia)
Arbutus andrachne
Arbutus unedo
Service Tree (Sorbus domestica)
author of the photo with the fruits BotBln/Wikimedia, edited and used under license CC BY-SA 3.0
Wild Service Tree (Sorbus torminalis)
Almond-leaved pear (Pyrus amygdaliformis)
Pyrus bulgarica
European wild pear (Pyrus pyraster)
Pyrus elaeagrifolia
Common Hawthorn (Crataegus monogyna)
Crataegus pentagyna
European crab apple (Malus sylvestris)
Cherry plum (Prunus cerasifera)
St Lucie cherry (Prunus mahaleb)
Laurocerasus officinalis
Cerasus avium
Lebanese wild apple (Eriolobus trilobatus)
Goldenrain tree (Koelreuteria paniculata)
Terebinth (Pistacia terebinthus)
Rhus coriaria
Oriental plane (Platanus orientalis)
© K. Metodiev/The Bulgarian flora online.