Arran whitebeams complex fashion, which involved the common whitebeam ("Sorbus aria") giving rise to the tetraploid rock whitebeam ("Sorbus rupicola") which is still found on Holy Isle. This species is able to survive at higher altitudes and therefore occupies a less competitive niche with fewer tree species able to tolerate the harsher conditions. The rock whitebeam interbred with the rowan / mountain ash ("Sorbus aucuparia") to produce the hybrid, a fertile separate species the Scottish whitebeam ("Sorbus arranesis") which grows well in this zone of reduced competitive growth at higher altitudes. The bastard mountain ash ("Sorbus pseudofennica") arose from a further cross
Mountain Ash RFC Mountain Ash RFC Mountain Ash RFC is a Welsh rugby union team from the town of Mountain Ash, in the Cynon Valley, South Wales. Mountain Ash RFC is a member of the Welsh Rugby Union and is a feeder club for the Cardiff Blues. The team was founded in 1875 at a meeting in the Mountain Ash Inn, but their first game in earnest was not until 1891, against Swansea at the Washery Field. Some of their early fixtures were against Llanelli, Cardiff and Newport. Mountain Ash provided their first Wales international in 1892, when Frank Mills was selected for