Ulteriore contributo alla conoscenza della flora dei Monti della Laga (Appennino centrale).

In this paper 110 taxa for the Laga Mountains are reported. Most of them are new reports. Some of these have a phytogeografic interest because they are isolated localities separated from the main area of distribution which is exspecially alpine (Athyrium distentifolium, Dryopteris dilatata, Salix breviserrata, Alchemilla effusa, Alchemilla inconcinna, Astragalus australis, Peucedanum verticillare, Selinum carvifolia, Pyrola rotundifolia, Tofieldia calyculata, Streptopus amplexicaule, Carex canescens, Triglochin palustre). For the alien Silene conoidea is recorded the only certain location in Italy.