Bignal, E. (1980). The endemic whitebeams of North Arran. Glasgow Naturalist, 20, pp. 59–64.
Boyd, W.E. & Dickson, J.H. (1987). The pollen morphology of four Sorbus species, with special reference to two Scottish endemic species, S. arranensis Hedl. and S. pseudofennica E.F. Warb. Pollen et Spores, 24, pp. 59–72.
Boyd, W.E. & Dickson, J.H. (in press). A postglacial pollen sequence from Loch a'Mhuilinn, north Arran: a record of vegetation history with special reference to the history of endemic Sorbus species. New Phytologist.
Bryce, J. (1872). Geology of Arran and the Clyde Islands (4th edition). Glasgow, Scotland, UK: vii + 354 pp., illustr.
Clapham, A.R., Tutin, T.G. & Warburg, E.F. (1952). Flora of the British Isles. Cambridge University Press, Cambridge, England, UK: li + 1591 pp., illustr.
Hull, P. & Smart, G.J.B. (1984). Variation in two Sorbus species endemic to the Isle of Arran, Scotland. Annals of Botany, 53, pp. 641–8.
Landsboroughs, The, Father and Son (1875). Arran, Its Topography, Natural History and Antiquities. [Published privately at] Ardrossan, Scotland, UK: ii + 495 pp., illustr.
Moore, P.O. & Webb, J.A. (1978). An Illustrated Guide to Pollen Analysis. Hodder & Stoughton, London, England, UK: [not available for checking].
Richards, A.J. (1975). Sorbus L. Pp. 237–8 in Hybridisation and the Flora of the British Isles (Ed. Stace, C.A.). Academic Press, London, England, UK: xiii + 626 pp.
Steven, G. & Dickson, J.H. (in prep.). The Vegetation History of Glen Catacol, North Arran.