Table 1 List of the 60 tree species detected in the TOF of the Molise region. The detected species are partitioned into four classes in accordance with their preeminent function

1 - Food production

Marasca sour cherry (Prunus cerasus L. var. marasca (Host.) Viv.); sweet chestnut (Castanea sativa Mill.); sweet cherry (Prunus avium L.); common fig (Ficus carica L.); white mulberry (Morus alba L.); kiwi (Actinidia deliciosa (A. Chev.) C.F. Liang & A.R. Ferguson); almond (Prunus dulcis (Mill.) D.A. Webb); apple tree (Malus spp.); common hazel (Corylus avellana L.); olive (Olea europea L.); common pear (Pyrus communis L.); peach (Prunus persica (L.) Batsch); stone pine (Pinus pinea L.); service tree (Sorbus domestica L.); plum (Prunus domestica L.); black elderberry (Sambucus nigra L.); Morello cherry (Prunus cerasus L. var. austere L.)

2 - Nature conservation

Field maple (Acer campestre L.); common holly (Ilex aquifolium L.); common hawthorn (Crataegus monogyna Jacq.); dogwood (Cornus mas L.); european spindle (Euonymus europaeus L.); mastic tree (Pistacia lentiscus L.); common laburnum (Laburnum anagyroides Medik.); Christ’s thorn (Paliurus spina-christi Mill.); crab apple (Malus sylvestris Mill.); rosebay (Nerium oleander L.); wild pear (Pyrus pyraster (L.) Burgsd.); eurasian aspen (Populus tremula L.); blackthorn (Prunus spinose L.); purple willow (Salix purpurea L.); goat willow (Salix caprea L.); laurustinus (Viburnum tinus L.)

3 - Wood production

Nettle tree (Celtis australis L.); oriental hornbeam (Carpinus orientalis Mill.); common hornbeam (Carpinus betulus L.); Turkey oak (Quercus cerris L.); european beech (Fagus sylvatica L.); holm oak (Quercus ilex L.); field elm (Ulmus minor Mill.); black alder (Alnus glutinosa (L.) Gaertn.); manna ash (Fraxinus ornus L.); Aleppo pine (Pinus halepensis Mill.); maritime pine (Pinus pinaster Aiton); white poplar (Populus alba L.); black poplar (Populus nigra L.); oriental plane (Platanus orientalis L.); black locust (Robinia pseudoacacia L.); Arizona cypress (Cupressus arizonica Greene); tree of heaven (Ailanthus altissima (Mill.) Swingle); arborvitae (Thuja spp.); downy oak (Quercus pubescens Willd.); white willow (Salix alba L.)

4 - Valuable timber production

Sycamore maple (Acer pseudoplatanus L.); Italian maple (Acer opalus Mill.); English oak (Quercus robur L.); common ash (Fraxinus excelsior L.); wild service tree (Sorbus torminalis L.); narrow-leaved ash (Fraxinus angustifolia Vahl); common walnut (Juglans regia L.)