R. W. G.  Dennis, ?Two new British discomycetes with smooth spherical ascospores?, Kew Bulletin, vol. 23, pp. 479-481, 1969.

R. W. G.  Dennis, ?New or interesting British microfungi?, Kew Bulletin, vol. 25, pp. 335-374, 1971.

R. W. G.  Dennis, British Ascomycetes. Vaduz: J. Cramer, 1978, p. 585 pp.

R. W. G.  Dennis and Itzerott, H., ?Octospora and Inermisia in Western Europe?, Kew Bulletin, vol. 28, 1973.

R. W. G.  Dennis, ?A new genus for Sphaeria bacillata Cooke?, Belarra, vol. 2, no. 4, pp. 25-28, 1988.

R. W. G.  Dennis, ?Fungi of Ammophila arenaria in Europe?, Revista de Biologia, vol. 12, pp. 15-48, 1983.

R. W. G.  Dennis, ?Remarks on the genus Hymenoscyphus S.F. Gray, with observations on sundry species referred by Saccardo and others to the genera Helotium, Pezizella or Phialea?, Persoonia, vol. 3, pp. 29-80, 1964.

R. W. G.  Dennis, ?A revision of the British Helotiaceae in the herbarium of the Royal Botanic Gardens, Kew, with notes on related European species?, Mycological Papers, vol. 62, p. 216 pp, 1956.

R. W. G.  Dennis, ?The fungi of the Isle of Rhum?, Kew Bulletin, vol. 19, pp. 77-127, 1964.

R. W. G.  Dennis, ?New British fungi?, Kew Bulletin, vol. 12, pp. 399-404, 1957.

R. W. G.  Dennis, Fungi of the Hebrides. Kew, UK: Royal Botanic Gardens, 1986, p. 383 pp.