A total of 42 stands representing different habitats of the Saint Katherine protectorate (SKP) have been chosen to represent the most common plant communities of the Saint Katherine Protectorate. In total, 52 species were found in the vegetation survey. The species that had been recorded in the study area in vegetation were itemized on a list, and the total species recorded belonged to 24 families. At the family level, Compositae has the highest contribution to the total species ( 10 species = 19.23 %), followed by Labiateae ( 9 species = 17.31 %), followed by Cruciferae (4 species = 7.69 %), Zygophyllaceae,  Scrophulariaceae  and Caryophyllaceae (each comprises 3 species = 5.77%), At the species level and from vegetation survey, Teucrium polium has the highest presence percentage ( 34 stand = 81 %), followed by Nepeta septemcrenata and Phlomis aurea (32 stand = 76.2 %), Chiliadenus montanus  and Seriphidium herba-album (29 stand = 69 %), Echinops spinosus  and Tanacetum sinaicum (27 stand = 64.3 %), Stachys aegyptiaca (25 stand = 59.5 %), Ballota undulata (24 stand = 57.1 %), Achillea fragrantissima (22 stand = 52.4 %).