The plants of the Alta Murgia National Park, a chest of biodiversity "two steps from the city".

The most widespread forest formations are mainly constituted by quercine species. Of great importance is the presence of oak ( Q. pubescens L.) but also of the holm oak ( Q. ilex L.), of oak ( Q. cerris L.), the thorny oak ( Q. coccifera Oak L.) of Palestine ( Q. calliprinos Webb) of farnetto ( Q. frainetto Ten.) and the rare fragno ( Quercus trojana Webb) and undergrowth consisting of honeysuckle ( Lonicera sp.), hawthorn ( Crataegus monogyna Jacq.) and numerous herbaceous species and shrubby including peony ( Paeonia mascula L. Mill.), clematis (Clematis flammula L.), the rose of San Giovanni ( Rosa sempervirens L.), wild rose ( Rosa canina L.), gigaro ( Arum italicum Mill.) Cyclamen ( Cyclamen hederifolium Aiton).

They are also popular artificial plants prevalence of Aleppo pine. It is reforestation be implemented in about fifty years starting in 1930, involving, for an area of ​​about 25,000 hectares, the inland areas and coastal Puglia bands.

The pine forests are constituted mainly by Aleppo pine ( Pinus halepensis Mill.) And common cypress ( Cupressus sempervirens L.) with undergrowth of oak and coccifera, mastic ( Pistacia lentiscus L.) and ilatro ( Phillyrea sp.). The steppe areas are characterized by a herbaceous vegetation which includes priority species such as stipa ( Stipa austroitalica Martinowsky) and numerous orchid species belonging to the genera Serapias , Orchis and Ophrys including the species, recently discovered, called Ophrys murgiana .

The arboreal-shrubby vegetation characterizing the natural pastures consists of olive ( Olea europaea var. Sylvestris L.), almond ( Amygdalus communis L.), marruca ( Paliurus spina christi Mill.), Loquat ( Mespilus germanica L.), sloe ( Prunus spinosa L.), wild pear ( Pyrus amygdaliformis ), wild almond ( Prunus webbii Spach), hawthorn ( Crataegus monogyna Jacq.), ramno ( Rhamnus saxatilis Jacq.).