Long, D.G. 1990. The bryophytes of Achill Island – Hepaticae. Glasra, n.s., 1: 47-64.
Smith, A.J.E. 1990. The bryophytes of Achill Island – Musci. Glasra, n.s., 1: 27-46.
Synnott, D.M. 1990. The bryophytes of Achill Island – a preliminary note. Glasra, n.s., 1: 21-26.
