Sorbus pseudomeinichii Sorbus pseudomeinichii Sorbus pseudomeinichii, known as false rowan and Catacol whitebeam, is a rare tree endemic to the Isle of Arran in south west Scotland. It is believed to have arisen as a hybrid of the native rowan ("Sorbus aucuparia") and the cut-leaved whitebeam ("Sorbus pseudofennica") which is in turn a rowan/Arran whitebeam ("Sorbus arranensis") hybrid. Only two specimens of the Catacol whitebeam are known, making it the rarest tree in Scotland and also the United Kingdom. A third was recorded as a sapling but is believed to have been destroyed by deer. A seedling has also been grown in
Bethania, Mountain Ash built alongside. Thomas Llewellyn was minister from 1854 until 1888. He was succeeded by Owen Jones who remained until 1909. John Phillips was minister from 1911 until 1945 and Haydn Davies from 1950 until 1960. The chapel remains beautifully preserved and maintained. There were 20 members in 2004. Mountain Ash and District Choral Society hold their practices and rehearsals at the vestry. Bethania, Mountain Ash Bethania, Mountain Ash is an Independent chapel in Phillip Street, Mountain Ash, Glamorgan, Wales. Services at Bethania are conducted in the Welsh language. The church began in the form of a Sunday School built in