Rowan Several of the Asian species are widely cultivated as ornamental trees. North American native species in the subgenus "Sorbus (Sorbus)" include the American mountain-ash "Sorbus americana" and Showy mountain-ash "Sorbus decora" in the east and Sitka mountain-ash "Sorbus sitchensis" in the west. Numerous hybrids, mostly behaving as true species reproducing by apomixis, occur between rowans and whitebeams; these are variably intermediate between their parents but generally more resemble whitebeams and are usually grouped with them (q.v.). Rowans are excellent small ornamental trees for parks, gardens and wildlife areas. Several of the Chinese species, such as White-fruited rowan ("Sorbus glabrescens") are
Mountain Ash Comprehensive School Mountain Ash Comprehensive School Mountain Ash Comprehensive School (), known as MACS, is a comprehensive school near Cwmpennar near the town of Mountain Ash, Rhondda Cynon Taf, Wales. The school was formerly known as Mountain Ash Grammar School () and is located near the former Dyffryn Colliery. The Welsh Assembly Government placed all secondary schools in Wales into one of five bands according to a number of factors, such as performance across the three core subjects, attendance levels and the number of pupils on free school meals, with one being the best and five being the worst. Mountain Ash Comprehensive