Sorbus americana the red cascade mountain-ash, or "Sorbus americana" 'Dwarfcrown'. It is planted in gardens, and as a street tree. Sorbus americana The tree species Sorbus americana is commonly known as the American mountain-ash. It is a deciduous perennial tree, native to eastern North America. The American mountain-ash and related species (most often the European mountain-ash, "Sorbus aucuparia") are also referred to as rowan trees. "Sorbus americana" is a relatively small tree, reaching in height. The American mountain-ash attains its largest specimens on the northern shores of Lake Huron and Lake Superior. It resembles the European mountain-ash, "Sorbus aucuparia". Native to eastern
Mountain Ash, Rhondda Cynon Taf Mountain Ash, Rhondda Cynon Taf Mountain Ash () is a town (and former community) in the Cynon Valley, within the County Borough of Rhondda Cynon Taf, Wales. At the 2001 census, Mountain Ash had a population of 7,039 increasing to 7,374 at the 2011 Census. The Mountain Ash geographical area incorporates and includes the districts and villages of Cefnpennar, Cwmpennar, Caegarw, Darranlas, Fernhill, Glenboi and Newtown. Mountain Ash lies within the historic county boundaries of Glamorgan. The town lies about 4.5 miles south of the town of Aberdare and approximately 19 miles northwest of Cardiff. The village and community of