| The freshwater algal flora of the British Isles: An identification guide to freshwater and terrestrial algae DM John, BA Whitton, AJ Brook Cambridge University Press, 2002 | 1927 | 2002 |
| The marine algae and coastal environment of tropical West Africa GW Lawson, J DM | 385 | 1982 |
| Plant-animal interactions in the marine benthos SJ Hawkins, DM John, JH Price Systematics Association, 1992 | 313* | 1992 |
| Green seaweeds of Britain and Ireland. JA Brodie, C Maggs, DM John British Phycological Society, 2007 | 205 | 2007 |
| A taxonomic and geographical catalogue of the seaweeds of the western coast of Africa and adjacent islands DM John, WF Prud’homme van Reine, GW Lawson, TB Kostermans, ... Cramer, 2004 | 194 | 2004 |
| Accumulation and decay of litter and net production of forest in tropical West Africa DM John Oikos, 430-435, 1973 | 130 | 1973 |
| AlgaeBase: an on-line resource for algae MD Guiry, GM Guiry, L Morrison, F Rindi, SV Miranda, AC Mathieson, ... Cryptogamie, Algologie 35 (2), 105-115, 2014 | 112 | 2014 |
| A coded list of freshwater algae of the British Isles BA Whitton, DM John, MG Kelly, EY Haworth Institute of Hydrology, 1998 | 95 | 1998 |
| Order Chlorococcales DM John The Freshwater Algal Flora of the British Isles, 327-408, 2002 | 89 | 2002 |
| Seaweeds of the western coast of tropical Africa and adjacent islands: a critical assessment. IV. Rhodophyta (Florideae). 1. Genera AF JH Price Bull. Br. Mus. nat. Hist.(Bot.) 15, 1-122, 1986 | 88 | 1986 |
| Algal growths on buildings: a general review and methods of treatment DM John Biodeterioration Abstracts 2 (2), 81-102, 1988 | 80 | 1988 |
| The inland waters of tropical West Africa DM John Schweizerbart'sche Verlagsbuchhandlung, 1986 | 80 | 1986 |
| Ecology of subtidal algae on seasonally devastated cobble substrates off Ghana M Lieberman, DM John, D Lieberman Ecology 60 (6), 1151-1161, 1979 | 79 | 1979 |
| An SEM study of the oospore of some Nitella species (Charales, Chlorophyta) with descriptions of wall ornamentation and an assessment of its taxonomic importance DM John, JA Moore Phycologia 26 (3), 334-355, 1987 | 72 | 1987 |
| Seaweeds of the western coast of tropical Africa and adjacent islands: a critical assessment. II: Phaeophyta JH Price, J DM, L GW | 66 | 1978 |
| Effects of pollution from the Torrey Canyon on littoral and sublittoral ecosystems DJ BELLAMY, PH Clarke, DM John, D Jones, A Whittick, T Darke Nature 216 (5121), 1170-1173, 1967 | 65 | 1967 |
| Species problems in eukaryotic algae: a modern perspective DM John, CA Maggs Systematics Association Special Volume 54, 83-108, 1997 | 64 | 1997 |
| Filamentous and plantlike green algae DM John Freshwater Algae of North America, 311-352, 2003 | 59 | 2003 |
| Systematics of the green algae DEG Irvine, DM John, Systematics Association (No Title), 1984 | 59 | 1984 |
| Biodiversity and conservation: an algal perspective DM John The phycologist 38, 3-15, 1994 | 58 | 1994 |
