Publications

215 publications found. This list is generated live from AlgaeBase and newer publications are given first.

Purchase books by Michael Guiry

Moniz, M.B.J., Rindi, F. & Guiry, M.D. (2012). Phylogeny and taxonomy of Prasiolales (Trebouxiophyceae, Chlorophyta) from Tasmania, including Rosenvingiella tasmanica sp. nov. Phycologia 51: 86-97.

John, D.M., Williamson, D.B. & Guiry, M.D. (2011). Catalogue of the desmids (Streptophycophyta, Zygnematophyceae, Zygnematales) of Ireland. Occasional Papers National Botanic Gardens Glasnevin Dublin 15: 1-83.

Broniatowska, B., Allmendinger, A., Kaiser, M., Montamat-Sicott, D., Hingley-Wilson, S., Lalvani, A., Guiry, M., Blunden, G. & Tasdemir, D. (2011). Antiprotozoal, antitubercular and cytotoxic potential of cyanobacterial (Blue-green algal) extracts from Ireland. Natural Product Communications 6(5): 689-694.

Rindi, F., Soler-Vila, A. & Guiry, M.D. (2011). Taxonomy of marine macroalgae used as sources of bioactive compounds. In: Marine Bioactive Compounds: Sources, Characterization and Applications. (Hayes, M. Eds), pp. 1-53. New York, Toronto & London: Springer Science+Business Media.

Spavieri, J., Allmendinger, A., Kaiser, M., Casey, R., Hingley-Wilson, S., Lalvani, A., Guiry, M.D., Blunden, G. & Tasdemir, D. (2010). Antimycobacterial, antiprotozoal and cytotoxic potential of twenty-one brown algae (Phaeophyceae) from British and Irish waters. Phytotherapy Research 24(11): 1724-1729.

Hu, Z.-M., Guiry, M.D., Critchley, A.T. & Duan, D.-L. (2010). Phylogeographic patterns indicate transatlantic migration from Europe to North America in the red seaweed Chondrus crispus (Gigartinales, Rhodophyta). Journal of Phycology 46(5): 889-900.

Guiry, M.D., Boalch, G.T. & Akira, A.F. (2010). William Henry Harvey's grave rediscovered. The Phycologist 79: 14-15.

Allmendinger, A., Spavieri, J., Kaiser, M., Casey, R., Hingley-Wilson, S., Lalvani A., Guiry, M., Blunden G. & Tasdemir, D. (2010). Antiprotozoal, antimycobacterial and cytotoxic potential of twenty-three British and Irish red algae. Phytotherapy Research 24(7): 1099-1103.

Nelson, W.A., Dalen, J.L. & Guiry, M.D. (2009). New macroalgal record for the New Zealand region: Cephalocystis furcellata (Rhodymeniales, Rhodophyta). Phycologia 48: 66-69.

Blunden, G., Patel, A., Romero, M.A. & Guiry, M.D. (2009). Betaines in four additional phyla of green plants. Natural Products Communications 4: 101-103.

Soler-Vila, A., Coughlan, S. Guiry, M.D. & Kraan, S. (2009). The red alga Porphyra dioica as a fish-feed ingredient for rainbow trout (Oncorhynchus mykiss): effects on growth, feed efficiency, and carcass composition. Journal of Applied Phycology 21(5): 617-624.

Hu, Z.M., Guiry, M.D. & Duan, D.L. (2009). Using the ribosomal internal transcribed spacer (ITS) as a complement marker for species identification of red macroalgae . Hydrobiologia 635: 279-287.

Patel, A., Wright, D.C., Romero, M.A., Blunden, G. & Guiry, M.D. (2008). Molluscicdal polyphenols from species of Fucaceae. Natural Products Communications 3: 245-249.

Loughnane, C.J., McIvor, L.M., Rindi, F., Stengel, D.B. & Guiry, M.D. (2008). Morphology, rbcL phylogeny and distribution of distromatic Ulva (Ulvophyceae, Chlorophyta) in Ireland and southern Britain. Phycologia 47: 416-429.

Choi, H.-G., Kraft, G.T., Kim, H.-S., Guiry, M.D. & Saunders, G.W. (2008). Phylogenetic relationships among lineages of the Ceramiaceae (Ceramiales, Rhodophyta) based on nuclear small subunit rDNA sequence data. Journal of Phycology 44: 1033-1048.

Rindi, F., Guiry, M.D. & López-Bautista, J.M. (2008). Distribution, morphology and phylogeny of Klebsormidium (Klebsormidiales, Charophyceae) in urban environments in Europe. Journal of Phycology 44: 1529-1540.

Guiry, M.D. & Selivanova, O.N. (2007). Masakiella, nom. nov. pro Masakia N.G. Klochkova (Corallinaceae, Rhodophyta), non Masakia (Nakai) Nakai (Celastraceae, Tracheophyta). Phycologia 46: 235-236.

Varela-Alvarez, E., Stengel, D.B. & Guiry, M.D. (2007). Seasonal growth and phenotypic variation in Porphyra linearis (Rhodophyta) populations on the west coast of Ireland. Journal of Phycology 43: 90-100.

Rindi, F., McIvor, L., Sherwood, A.R., Friedl, T., Guiry, M.D. & Sheath, R.G. (2007). Molecular phylogeny of the green algal order Prasiolales (Trebouxiophyceae, Chlorophyta). Journal of Phycology 43: 811-822.

Guiry, M.D., John, D.M., Rindi, F. & McCarthy, T.K., Eds (2007). New Survey of Clare Island. Volume 6: the freshwater and terrestrial algae. pp. [i-iv] v-xi, 1-254. Dublin: Royal Irish Academy.

Kim, J.H., Guiry, M.D., Oak, J.H., Choi, D.-S., Kang, S.-H., Chung, H. & Choi, H.-G. (2007). Phylogenetic relationships within the tribe Janieae (Corallinales, Rhodophyta) based on molecular and morphological data: a reappraisal of Jania. Journal of Phycology 43: 1310-1319.

Saunders, G.W., Wilkes, R.J. & Guiry, M.D. (2007). A nuclear small-subunit ribosomal DNA perspective on the taxonomic affinities of Maripelta (Rhodymeniales, Rhodophyta). Cryptogamie, Algologie 28: 191-194.

Zuccarello, G.C., Schidlo, A., McIvor, L. & Guiry, M.D. (2006). A molecular re-examination of speciation in the intertidal red alga Mastocarpus stellatus (Gigartinales, Rhodophyta) in Europe. European Journal of Phycology 40: 337-344, 3 figs, 7 tables.

Kraan, S. & Guiry, M.D. (2006). A genetic investigation of two morphotypes of Palmaria palmata (Palmariales, Rhodophyta) using Rubisco spacer and ITS 1 and ITS 2 sequences. Cryptogamie Algologie 27: 17-30.

Rindi, F., López-Bautista, J.M., Sherwood, A.R. & Guiry, M.D. (2006). Morphology and phylogenetic position of Spongiochrysis hawaiiensis gen. et sp. nov., the first known terrestrial member of the order Cladophorales (Ulvophyceae, Chlorophyta). International Journal of Systematic and Evolutionary Microbiology 56: 913-922.

Menéndez, J.L, Rindi, F., Rico, J.M., & Guiry, M.D. (2006). The use of CHAID classification trees as an effective descriptor of the distribution of Rosenvingiella radicans (Prasiolales, Chlorophyta) in urban environments. Cryptogamie, Algologie 27: 153-164, 3 figs, 3 tables.

López-Bautista, J.L., Rindi, F. & Guiry, M.D. (2006). Molecular systematics of the subaerial green algal order Trentepohliales: an assessment based on morphological and molecular data. International Journal of Systematic and Evolutionary Microbiology 56: 1709-1715.

Wilkes, R.J., McIvor, L. & Guiry, M.D. (2006). Vegetative morphology and rbcL phylogeny of some members of the genera Botryocladia and Irvinea (Rhodymeniaceae, Rhodophyta). Phycologia 45: 481-494.

Rindi, F., Guiry, M.D. & López-Bautista, J.M. (2006). New records of Trentepohliales (Ulvophyceae, Chlorophyta) from Africa. Nova Hedwigia 83: 431-449.

Hardy, F.G. & Guiry, M.D. (2006). A check-list and atlas of the seaweeds of Britain and Ireland. Revised Edition. pp. [i]-x, 1-435. London: British Phycological Society.

Wilkes, R.J., McIvor, L.M. & Guiry, M.D. (2005). The taxonomic position of Maripelta rotata (Rodymeniaceae, Rhodophyta). Cryptogamie, Algologie 26: 67-75.

Varela-Álvarez, E., Stengel, D.B., Rindi, F. & Guiry, M.D. (2005). Alternation of nuclear phases and chromosome numbers in Porphyra linearis (Bangiales, Rhodophyta) from western Ireland and Maine, USA. Phycologia 44: 61-65.

Wilkes, R.J., McIvor, L.M. & Guiry, M.D. (2005). Using rbcL sequence data to reassess the taxonomic position of some Grateloupia and Dermocorynus species (Halymeniaceae, Rhodophyta) from the north-eastern Atlantic. European Journal of Phycology 40: 53-60.

Nash, R., Rindi, F. & Guiry, M.D. (2005). Optimum conditions for cultivation of the Trailliella phase of Bonnemaisonia hamifera Hariot (Bonnemaisoniales, Rhodophyta), a candidate species for secondary metabolite production. Botanica Marina 48: 257-265.

Rindi, F., Sherwood, A.R. & Guiry, M.D. (2005). Taxonomy and distribution of Trentepohlia and Printzina (Trentepohliales, Chlorophyta) in the Hawaiian Islands. Phycologia 44: 270-284, 43 figs, 1 Table.

Ní Chualáin, F., Maggs, C.A., Saunders, G.W. & Guiry, M.D. (2004). The invasive genus Asparagopsis (Bonnemaisoniaceae, Rhodophyta): molecular systematics, morphology, and ecophysiology of Falkenbergia isolates. Journal of Phycology 40: 1112-1126.

Rindi, F. & Guiry, M.D. (2004). A long-term comparison of the benthic algal flora of Clare Island, County Mayo, western Ireland. Biodiversity and Conservation 13: 471-492.

Rindi, F. & Guiry, M.D. (2004). Composition and spatial variability of terrestrial algal assemblages occurring at the bases of urban walls in Europe. Phycologia 43: 225-235.

Varela-Alvarez, E., Stengel, D.B. & Guiry, M.D. (2004). The use of image processing in assessing conchocelis growth and conchospore production in Porphyra linearis. Phycologia 43: 282-287.

Rindi, F., Menéndez, J.L., Guiry, M.D. & Rico, J.M. (2004). The taxonomy and distribution of Phycopeltis (Trentepohliaceae, Chlorophyta) in Europe. Cryptogamie, Algologie 25(1): 3-17.

Rindi, F., McIvor, L. & Guiry, M.D. (2004). The Prasiolales (Chlorophyta) of Atlantic Europe: an assessment based on morphological, molecular, and ecological data, including the characterization of Rosenvingiella radicans (Kützing) comb. nov. Journal of Phycology 40: 977-997, 7 figs.

Rindi, F. & Guiry, M.D. (2004). Composition and spatio temporal variability of the epiphytic macroalgal assemblage of Fucus vesiculosus Linnaeus at Clare Island, Mayo, western Ireland. Journal of Experimental Marine Biology and Ecology 311: 233-252.

Hardy, F.G. & Guiry, M.D. (2003). A check-list and atlas of the seaweeds of Britain and Ireland. pp. [i]-x, 1-435. London: British Phycological Society.

Rindi, F. & Guiry, M.D. (2003). Composition and distribution of subaerial algal assemblages in Galway City, western Ireland. Cryptogamie, Algologie 24: 245-267.

Rindi F., Guiry, M.D., Critchley, A.T. & Ar Gall, E (2003). The distribution of some species of Trentepohliaceae (Trentepohliales, Chlorophyta) in France. Cryptogamie, Algologie 21: 133-144.

Guiry, M.D. (2003). Freshwater algal flora of the British Isles (Book Review). Journal of Phycology 39: 626-627.

Chesney, H. & Guiry, M.D. (2002). Ellen Hutchins Botanist. In: Irish Innovators in Science and Technology. (Mollan, C., Davis, W. & Finucane, B. Eds), pp. xv + 256. Dublin: Royal Irish Academy.

Guiry, M.D. & Nic Dhonncha, E. (2002). The marine macroalgae of Ireland: biodiversity and distribution. In: Marine biodiversity in Ireland and adjacent waters. (Nunn, J.D. Eds), pp. 27-34. Belfast: Ulster Museum.

Kim, M.S., Lee, I.K. & Guiry, M.D. (2002). Vegetative and reproductive morphology of Polysiphonia lanosa (Rhodomelaceae, Rhodophyta) from Ireland. Botanica Marina 45: 293-302.

McIvor, L., Maggs, C.A., Guiry, M.D. & Hommersand, M. (2002). Phylogenetic analysis of the geographically disjunct genus Osmundea Stackhouse (Rhodomelaceae, Rhodophyta). Constancea 83(9): 1-11.

Nic Dhonncha, E. & Guiry, M.D. (2002). AlgaeBase: Documenting seaweed biodiversity in Ireland and the world. Biology and Environment: Proceedings of the Royal Irish Academy 102B(3): 185-188, 4 figs, 1 table.

Rico, J.M., Freshwater, D.W., Norwood, K.G. & Guiry, M.D. (2002). Morphology and systematics of Gelidiella tenuissima (Gelidiales, Rhodophyta) from Gran Canaria (Canary Islands, Spain). Phycologia 41: 463-469.

Rindi, F. & Guiry, M.D. (2002). Diversity, life history and ecology of Trentepohlia and Printzina (Trentepohliales, Chlorophyta) in urban habitats in western Ireland. Journal of Phycology 38: 39-54.

Rindi, F. & Guiry, M.D. (2002). The genus Phycopeltis (Trentepohliaceae, Chlorophyta) in Ireland: a taxonomic and distributional reassessment. Phycologia 41: 421-431.

Rindi, F., Guiry, M.D. & Maggs, C.A. (2002). The benthic marine algae of Clare Island. In: New Survey of Clare Island. Volume 3: Marine intertidal ecology. (Myers, A. Eds), pp. 187-188. Dublin: Royal Irish Academy.

Rindi, F., Guiry, M.D. & Maggs, C.A. (2002). Checklist of the benthic marine algae of Clare Island. In: New Survey of Clare Island. Volume 3: Marine intertidal ecology. (Myers, A. Eds), pp. 189-205. Dublin: Royal Irish Academy.

Choi, H.-G., Kim, M.-S., Guiry, M.D. & Saunders, G.W. (2001). Phylogenetic relationships of Polysiphonia (Rhodomelaceae, Rhodophyta) and its relatives based on anatomical and nuclear small-subunit rDNA sequence data. Canadian Journal of Botany 79: 1465-1476.

Daoudi, M., Bakkas, S., Culioli, G., Ortalo-Magné, A., Piovetti, L. & Guiry, M.D. (2001). Acyclic diterpenes and sterols from the genera Bifurcaria and Bifurcariopsis (Cystoseiraceae, Phaeophyceae). Biochemical Systematics and Ecology 29: 973-978.

Guiry, M.D. (2001). Plants. In: European register of marine species. A check-list of the marine species in Europe and a bibliography of guides to their identification (Patrimoines naturels Vol. 50). (Costello, M.T., Emblow, C.S. & White, R.G. Eds), pp. 20-39. Paris: Muséum National d'Histoire Naturelle.

Kraan, S., Rueness, J. & Guiry, M.D. (2001). Are North Atlantic Alaria esculenta and A. grandifolia (Alariaceae, Phaeophyceae) conspecific?. European Journal of Phycology 39: 35-42.

Morrissey, J., Kraan, S. & Guiry, M.D. (2001). A guide to commercially important seaweeds on the Irish coast. pp. 1-66. Dun Laoghaire: Bord Iascaigh Mhara.

Kraan, S. & Guiry, M.D. (2001). Phase II: Strain hybridisation field experiments and genetic fingerprinting of the edible brown seaweed Alaria esculenta. Marine Resource Series [Ireland] 18: [i]-vi, 1-33.

Kelly, L., Collier, L., Costello, M.J., Diver, M., McGarvey, S., Kraan, S., Morriseym, J. & Guiry, M.D. (2001). Impact assessment of hand and mechanical harvesting of Ascophyllum nodosum on regeneration and biodiversity. Marine Resource Series [ireland] 19: [i]-vi, 1-51.

De Grave, S., Fazakerley, H., Kelly, L., Guiry, M.D., Ryan, M. & Walshe, J. (2000). A study of selected maërl beds in Irish waters and their potential for sustainable extraction. Marine Resource Series [Ireland] 10: [i-iv], 1-44.

Kim, M.-S., Maggs, C.A., McIvor, L. & Guiry, M.D. (2000). Reappraisal of the type species of Polysiphonia (Rhodomelaceae, Rhodophyta). European Journal of Phycology 35: 83-92.

Kraan, S. & Guiry, M.D. (2000). Sexual hybridization experiments and phylogenetic relationships as inferred from Rubisco spacer sequences in the genus Alaria (Phaeophyceae). Journal of Phycology 36: 190-198.

Kraan, S. & Guiry, M.D. (2000). Molecular and morphological character inheritance in hybrids of Alaria esculenta and A. praelonga (Alariaceae, Phaeophyceae). Phycologia 39: 554-559.

Kraan, S., Tramullas, A.V. & Guiry, M.D. (2000). The edible brown seaweed Alaria esculenta (Phaeophyceae, Laminariales): hybridization, growth and genetic comparisons of six Irish populations. Journal of Applied Phycology 12: 577-583.

Pfetzing, J., Stengel, D.B., Cuffe, M.M., Savage, A.V. & Guiry, M.D. (2000). Effects of temperature and prolonged emersion on photosynthesis, carbohydrate content and growth of the brown intertidal alga Pelvetia canaliculata. Botanica Marina 43: 399-407.

Alvarez, E.V., Guiry, M.D. & Kelly, B. (1999). Cultivo, genética y fenología de Porphyra linearis Greville, candidata para la futura industria del Nori en Europa. In: Algas. Boletín Informativo de la Sociedad Española de Ficologia. (Bárbara Criado, I. Eds) Vol.21, pp. 5-9. Madrid: Universidad Complutense de Madrid.

Nelson, W.A., Brodie, J. & Guiry, M.D. (1999). Terminology used to describe reproduction and life history in the genus Porphyra (Bangiales, Rhodophyta). Journal of Applied Phycology 11: 407-410.

Rindi, F., Guiry, M.D., Barbiero, R.P. & Cinelli, F. (1999). The marine and terrestrial Prasiolales (Chlorophyta) of Galway City, Ireland: a morphological and ecological study. Journal of Phycology 35: 469-482.

Rindi, F., Guiry, M.D. & Cinelli, F. (1999). Morphology and reproduction of the adventive Mediterranean rhodophyte Polysiphonia setacea. Proceedings of the International Seaweed Symposium 16: 91-100.

Stengel, D.B., Wilkes, R.J. & Guiry, M.D. (1999). Seasonal growth and recruitment of Himanthalia elongata (Fucales, Phaeophycota) in different habitats on the Irish west coast. European Journal of Phycology 34: 213-221, 6 figs.

Guiry, M.D. & Hession, C.C. (1998). The seaweed resources of Ireland. In: Seaweed Resources of the World. (Critchley, A.T. & Ohno, M. Eds), pp. 210-216. Yokosuka, Japan: Japan International Cooperation Agency.

Hession, C.C., Guiry, M.D., McGarvey, S. & Joyce, D. (1998). Mapping and assessment of the seaweed resources (Ascophyllum nodosum, Laminaria spp.) off the west coast of Ireland. Marine Resource Series [Ireland] 5: 1-74, 32 figs, 13 tables.

Blunden, G., Campbell, S.A., Smith, J.R., Guiry, M.D., Hession, C.C. & Griffin, R.L. (1997). Chemical and physical characterization of calcified red algal deposits known as maërl. Journal of Applied Phycology 9: 11-17.

Brodie, J., Masuda, M., Mine, I. & Guiry, M.D. (1997). Two morphologically similar biological species: Chondrus pinnulatus and C. armatus (Gigartinaceae, Rhodophyta). Journal of Phycology 33: 682-698.

Guiry, M.D. (1997). Benthic red, brown and green algae. In: The Species Directory of the Marine Fauna and Flora of the British Isles and Surrounding Seas. (Howson, C.M. & Picton, B.E. Eds), pp. 341-367. Belfast & Ross-on-Wye: Ulster Museum & Marine Conservation Society.

Guiry, M.D. (1997). Went Memorial Lecture 1996. Research and development of a sustainable Irish seaweed industry. Occasional Papers in Irish Science and Technology of the Royal Dublin Society 14: 1-11, 3 tables.

Guiry, M.D. (1997). No stone unturned: Robert Lloyd Praeger and the major surveys. In: Nature in Ireland - A Scientific and Cultural History. (Foster, J.W. & Ross, H.C.G. Eds) London: Lilliput Press.

Hession, C.C. & Guiry, M.D. (1997). The Irish seaweed resource. Bulletin of Asia-Pacific Society for Applied Phycology 4: 3-5.

Rico, J.M. & Guiry, M.D. (1997). Life history and reproduction of Gelidium maggsiae sp. nov. (Rhodophyta, Gelidiales) from Ireland. European Journal of Phycology 32: 267-277, 31 figs, 3 tables.

Suzuki, M., Takahashi, Y., Matsuo, Y., Guiry, M.D. & Masuda, M. (1997). Scanlonenyne, a novel halogenated C15 acetogenin from the red alga Laurencia obtusa in Irish waters. Tetrahedron 53: 4271-4278.

Guiry, M.D. & Hession, C. (1996). Seaweed. In: Science, Technology and Realism in Environmentally Friendly Development. Proceedings of the Conference Blueprint for the 21st Century held in the Royal Dublin Society 20-21 October 1994. (Moriarty, C., Mccloskey, B. & Power, C. Eds) Vol.6, pp. 121-128. Dublin: Royal Dublin Society Seminar Proceedings.

Masuda, M., Kogame, K. & Guiry, M.D. (1996). Life history of Gymnogongrus griffithsiae (Phyllophoraceae, Gigartinales) from Ireland: implications for life history interpretation in the Rhodophyta. Phycologia 35: 421-434, 39 figs, 1 table.

Rico, J.M. & Guiry, M.D. (1996). Phototropism in seaweeds: a review. Sci. Mar. 60(Suppl. 1): 273-281, 2 figs, 2 tables.

Rico, J.M., Horgan, C. & Guiry, M.D. (1996). Latitudinal ecotypes in north-eastern Atlantic populations of Gelidium pusillum (Gelidiaceae; Rhodophyta). In: Irish Marine Science 1995. (Keegan, B.F. & O'connor, R. Eds), pp. 105-116. Galway: Galway University Press.

Russell, C.A., Guiry, M.D., McDonald, A.R. & Garbary, D.J. (1996). Actin-mediated chloroplast movement in Griffithsia pacifica (Ceramiales, Rhodophyta). Phycological Research 44(1): 57-61, 8 figs, 1 table.

Masuda, M. & Guiry, M.D. (1995 '1994'). The reproductive morphology of Platoma cyclocolpum (Nemastomataceae, Gigartinales) from Gran Canaria, Canary Islands. Cryptogamie, Algologie 15: 191-212.

Masuda, M. & Guiry, M.D. (1995). Reproductive morphology of Itonoa marginifera (J. Agardh) gen. et comb. nov. (Nemastomataceae, Rhodophyta). European Journal of Phycology 30: 57-67, 22 figs, 1 table.

Masuda, M., Kudo, T., Kawaguchi, S. & Guiry, M.D. (1995). Lectotypification of some marine red algae described by W. H. Harvey from Japan. Phycological Research 43: 191-202, 34 figs.

Brodie, J., Masuda, M. & Guiry, M.D. (1994). Life history and photoperiodic responses in Chondrus giganteus forma flabellatus (Gigartinaceae, Rhodophyta) from Japan. European Journal of Phycology 29: 159-164, 5 figs, 3 tables.

Fredriksen, S., Guiry, M.D. & Rueness, J. (1994). Morphological and biosystematic studies of Gelidium pusillum and G. pulchellum (Gelidiaceae, Rhodophyta) from Europe. Phycologia 33: 462-470.

Womersley, H.B.S. & Guiry, M.D. (1994). Order Gelidiales Kylin 1923: 132. In: The marine benthic flora of southern Australia. Part IIIA. Bangiophyceae and Florideophyceae (Acrochaetiales, Nemaliales, Gelidiales, Hildenbrandiales and Gigartinales sensu lato). (Womersley, H.B.S. Eds), pp. 118-142. Canberra: Australian Biological Resources Study.

Brodie, J., Guiry, M.D. & Masuda, M. (1993). Life history, morphology and crossability of Chondrus ocellatus forma ocellatus and C. ocellatus forma crispoides (Gigartinales, Rhodophyta) from the north-western Pacific. European Journal of Phycology 28: 183-196.

Cunningham, E.M., Guiry, M.D. & Breeman, A.M. (1993). Environmental regulation of development, life history and biogeography of Helminthora stackhousei (Rhodophyta) by daylength and temperature. Journal of Experimental Marine Biology and Ecology 171: 1-21.

Guiry, M.D. & Womersley, H.B.S. (1993). Capreolia implexa gen. et sp. nov. in Australia and New Zealand (Gelidiales, Rhodophyta); an intertidal red alga with an unusual life history. Phycologia 32: 266-277.

Hommersand, M.H., Guiry, M.D., Fredericq, S. & Leister, G.L. (1993). New perspectives in the taxonomy of the Gigartinaceae (Gigartinales, Rhodophyta). Proceedings of the International Seaweed Symposium 14: 105-120, 41 figs.

Dawes, C.J. & Guiry, M.D. (1992). Proximate constituents in the sea-grass Zostera marina and Z. noltii: seasonal changes and the effects of blade removal. P.S.Z.N.I.: Marine Ecology 13(4): 307-315.

Guiry, M.D. (1992). Modern approaches to the analysis of algal morphology and systematics. Species concepts in marine red algae. Progress in Phycological Research 8: 251-278.

Guiry, M.D. & Dawes, C.J. (1992). Daylength, temperature and nutrient control of tetrasporogenesis in Asparagopsis armata (Rhodophyta). Journal of Experimental Marine Biology and Ecology 158: 197-219.

Guiry, M.D. & Womersley, H.B.S. (1992). Gelidiella minima sp. nov. (Rhodophyta) from Victoria, Australia: implications for the generic classification of the Gelidiaceae. British Phycological Journal 27: 165-176, 17 figs, 1 table.

Brodie, J., Guiry, M.D. & Masuda, M. (1991). Life history and morphology of Chondrus nipponicus (Gigartinales, Rhodophyta) from Japan. British Phycological Journal 26: 33-50.

Guiry, M.D. & Blunden, G. (1991). Seaweed resources in Europe: uses and potential. pp. xi, 432. Chichester, West Sussex, England; New York: John Wiley & Sons.

Guiry, M.D. & Garbary, D.J. (1991). A geographical and taxonomic guide to European seaweeds of economic importance. In: Seaweed Resources in Europe: Uses and Potential. (Guiry, M.D. & Blunden, G. Eds), pp. 1-19. Chichester: John Wiley & Sons.

Guiry, M.D. & Maggs, C.A. (1991). Antithamnion densum (Suhr) Howe from Clare Island, Ireland: a marine red alga new to the British Isles. Cryptogamie, Algologie 12: 189-194.

Maggs, C.A., Guiry, M.D. & Rueness, J. (1991). Aglaothamnion priceanum sp. nov. (Ceramiaceae, Rhodophyta) from the north-eastern Atlantic: morphology and life history of parasporangial plants. British Phycological Journal 26: 343-352, 27 figs.

Guiry, M.D. (1990). Sporangia and spores. In: Biology of the Red Algae. (Cole, K.M. & Sheath, R.G. Eds), pp. 347-376. Cambridge: Cambridge University Press.

Guiry, M.D. (1990). The life history of Liagora harveyana (Nemaliales, Rhodophyta) from south-eastern Australia. British Phycological Journal 25: 353-362, 14 figs.

Guiry, M.D. & Garbary, D.J. (1990). A preliminary phylogenetic analysis of the Phyllophoraceae, Gigartinaceae and Petrocelidaceae (Rhodophyta) in the North Atlantic and the North Pacific. In: Evolutionary Biogeography of the Marine Algae of the North Atlantic. (Garbary, D.J. & South, G.R. Eds), pp. 265-290. Berlin: Springer-Verlag.

Vandermeulen, H., Garbary, D.J. & Guiry, M.D. (1990). Laurencia minuta sp. nov. (Ceramiales, Rhodomelaceae), a diminutive red alga from the Gulf of Aqaba (Red Sea). British Phycological Journal 25: 237-244, 13 figs.

Barwell, C.J., Canham, C.A. & Guiry, M.D. (1989). Hordenine content of the marine alga Mastocarpus stellatus and the algal food product carrageen. Phytotherapy Research 3: 67-69.

Breeman, A.M. & Guiry, M.D. (1989). Tidal influences on the photoperiodic induction of tetrasporogenesis in Bonnemaisonia hamifera (Rhodophyta). Marine Biology, Berlin 102: 5-14.

Brodie, J. & Guiry, M.D. (1989). Intra- and inter-specific compatibility in strains of Chondrus (Rhodophyta) from the western Pacific. British Phycological Journal 24: 299.

Cunningham, E.M. & Guiry, M.D. (1989). A circadian rhythm in the long-day photoperiodic induction of erect axis development in the marine red alga Nemalion helminthoides. Journal of Phycology 25: 705-712.

Guiry, M.D. (1989). Uses and cultivation of seaweeds. In: Alghe e loro Utilizzatione Convegno Nazionale. (Anon. Eds), pp. 21-56. Lecce: Camera di Commercio Industria Artigiantoe Agricoltura; Università Degli Studi.

Guiry, M.D. & Irvine, L.M. (1989). Sporangial form and function in the Nemaliophycidae (Rhodophyta). In: Phykotalk Volume 1. (Kumar, H.D. Eds), pp. 155-184. Meerut: Rastogi Publ. (India).

Maggs, C.A. & Guiry, M.D. (1989). A re-evaluation of the crustose red algal genus Cruoria and the family Cruoriaceae. British Phycological Journal 24: 253-269, 44 figs, 3 tables.

Millar, A.J.K. & Guiry, M.D. (1989). Morphology and life history of Predaea kraftiana sp. nov. (Gymnophloeaceae, Rhodophyta) from Australia. Phycologia 28: 409-421.

Maggs, C.A. & Guiry, M.D. (1988 '1987'). Gelidiella calcicola sp. nov. (Rhodophyta) from the British Isles and northern France. British Phycological Journal 22: 417-434.

Breeman, A.M., Meulenhoff, E.J.S. & Guiry, M.D. (1988). Life history regulation and phenology of the red alga Bonnemaisonia hamifera. Helgoländer Meeresuntersuchungen 42: 535-551.

Brodie, J. & Guiry, M.D. (1988). Life history and reproduction of Cordylecladia erecta (Rhodymeniaceae, Rhodophyta). British Phycological Journal 23: 347-364.

Brodie, J. & Guiry, M.D. (1988). Photoperiodic responses in some species of Chondrus (Rhodophyta) from Japan. British Phycological Journal 23: 283-284.

Brodie, J. & Guiry, M.D. (1988). Life history and reproduction of Botryocladia ardreana sp. nov. (Rhodymeniales, Rhodophyta) from Portugal. Phycologia 27: 109-130, 76 figs, 2 tables.

Brodie, J. & Guiry, M.D. (1987). Life history and photoperiodic responses in Cordylecladia erecta (Rhodophyta) from Ireland. British Phycological Journal 22: 300-301.

Guiry, M.D. (1987). The evolution of life history types in the Rhodophyta: an appraisal. Cryptogamie, Algologie 8: 1-12.

Guiry, M.D., Kee, W.R. & Garbary, D.J. (1987). Morphology, temperature and photoperiodic responses in Audouinella botryocarpa (Harvey) Woelkerling (Acrochaetiaceae, Rhodophyta) from Ireland. Giornale Botanico Italiano 121: 229-246.

Guiry, M.D., Tripodi, G. & Lüning, K. (1987). Biosystematics, genetics and upper temperature tolerance of Gigartina teedii (Rhodophyta) from the Atlantic and Mediterranean. Helgoländer Meeresuntersuchungen 41(3): 283-295.

Indergaard, M., Østgaard, K. & Guiry, M.D. (1987). Seaweed protoplast and tissue culture. Proceedings of a workshop on biotechnical methods in seaweed cultivation sponsored by COST 48. Aquatic primary biomass (marine macroalgae) April 27-30 Trondheim, Norway. pp. 61. Brussels: European Community.

Maggs, C.A. & Guiry, M.D. (1987). An Atlantic population of Pikea californica (Dumontiaceae, Rhodophyta). Journal of Phycology 23: 170-176.

Maggs, C.A. & Guiry, M.D. (1987). Environmental control of macroalgal phenology. In: Plant Life in Aquatic and Amphibious Habitats. Special Publication No. 5 of the British Ecological Society. (Crawford, R.M.M. Eds), pp. 359-373. Oxford: Blackwell.

Brodie, J. & Guiry, M.D. (1986). Life history and morphology of Botryocladia boergesenii (Rhodophyta) from Portugal. British Phycological Journal 21: 327.

Cunningham, E.M. & Guiry, M.D. (1986). Effects of nutrient concentration on the development and reproduction of Nemalion helminthoides (Rhodophyta) in culture. British Phycological Journal 21: 327-328.

Guiry, M.D. & Freamhainn, M.T. (1986). Biosystematics of Gracilaria foliifera (Gigartinales, Rhodophyta). Nordic Journal of Botany 5: 629-637.

Lüning, K., Guiry, M.D. & Masuda, M. (1986). Upper temperature tolerance of North Atlantic and North Pacific geographical isolates of Chondrus species (Rhodophyta). Helgoländer Meeresuntersuchungen 41: 297-306.

Maggs, C.A. & Guiry, M.D. (1986). An Atlantic population of Pikea californica Harvey (Dumontiaceae, Rhodophyta). British Phycological Journal 21: 332-333.

Guiry, M.D. & Dixon, P.S. (1985). Máirín de Valéra (1912-1984). British Phycological Journal 20: 81-84, Portrait.

Guiry, M.D. & Maggs, C.A. (1985). Notes on Irish marine algae - 7. Gigartina teedii (Roth) Lamour. (Rhodophyta). Irish Naturalists' Journal 21: 490-493.

Maggs, C.A. & Guiry, M.D. (1985). Life history and reproduction of Schmitzia hiscockiana sp. nov. (Rhodophyta, Gigartinales) from the British Isles. Phycologia 24: 297-310.

Riouall, R., Guiry, M.D. & Codomier, L. (1985). Introduction d'une espèce foliacée de Grateloupia dans la flora marine de l'Étang de Thau (Hérault, France). Cryptogamie, Algologie 6: 91-98.

Barwell, C.J. & Guiry, M.D. (1984). Hordenine content of Gigartina stellata and Carrageen. British Phycological Journal 19: 189.

Guiry, M.D. (1984). Photoperiodic and temperature responses in the growth and tetrasporogenesis of Gigartina acicularis (Rhodophyta) from Ireland. Helgoländer Meeresuntersuchungen 38: 335-347.

Guiry, M.D. (1984). Structure, life history and hybridization of Atlantic Gigartina teedii (Rhodophyta) in culture. British Phycological Journal 19: 37-55.

Guiry, M.D. & Cunningham, E.M. (1984). Photoperiodic and temperature responses in the reproduction of north-eastern Atlantic Gigartina acicularis (Rhodophyta: Gigartinales). Phycologia 23: 357-367.

Guiry, M.D. & Maggs, C.A. (1984). Reproduction and life history of Meredithia microphylla (J. Ag.) J. Ag. (Kallymeniaceae, Rhodophyta) from Ireland. Giornale Botanico Italiano 118: 105-125.

Guiry, M.D. & Masuda, M. (1984). The inheritance of a spontaneous pigment mutation in a species of Chondrus (Rhodophyta) from Japan. British Phycological Journal 19: 194.

Guiry, M.D., West, J.A., Kim, D.-H. & Masuda, M. (1984). Reinstatement of the genus Mastocarpus Kützing (Rhodophyta). Taxon 33: 53-63.

Maggs, C.A. & Guiry, M.D. (1984). The life history of a new species of Schmitzia (Rhodophyta) from the British Isles. British Phycological Journal 19: 197.

Foran, C.F. & Guiry, M.D. (1983). The life history in culture of isolates of Lomentaria orcadensis (Rhodophyta) from Ireland and Scotland. British Phycological Journal 18: 204.

Guiry, M.D. (1983). Marine algae. In: Flora of Connemara and the Burren. (Webb, D.A. & Scannell, M.J.P. Eds), pp. 287-291. Dublin & Cambridge: Royal Dublin Society & Cambridge University Press.

Guiry, M.D. & Cunningham, E.M. (1983). Life history and hybridization in culture of Gigartina acicularis (Rhodophyta) from England and France. British Phycological Journal 18: 204 (abstract).

Guiry, M.D. & West, J.A. (1983). Life history and hybridization studies on Gigartina stellata and Petrocelis cruenta (Rhodophyta) in the North Atlantic. Journal of Phycology 19: 474-494.

Irvine, L.M. & Guiry, M.D. (1983). Rhodymeniales. In: Seaweeds of the British Isles. Volume 1. Rhodophyta. Part 2A. Cryptonemiales (sensu stricto), Palmariales, Rhodymeniales. (Irvine, L.M. Eds), pp. 77-98. London: British Museum (Natural History).

Irvine, L.M. & Guiry, M.D. (1983). Palmariales. In: Seaweeds of the British Isles. Volume 1. Rhodophyta, Part 2A Cryptonememiales (sensu stricto), Palmariales, Rhodymeniales. (Irvine, L. Eds) Vol.1 (2A), pp. 65-98. London: British Museum.

Maggs, C.A., Freamhainn, M.T. & Guiry, M.D. (1983). A study of the marine algae of subtidal cliffs in Lough Hyne (Ine), Co. Cork. Proceedings of the Royal Irish Academy 83B: 251-266.

Maggs, C.A., Guiry, M.D. & Irvine, L.M. (1983). The life history in culture of an isolate of Rhododiscus pulcherrimus Crouan frat. (Rhodophyta) from Ireland. British Phycological Journal 18: 206.

McCandless, E.L., West, J.A. & Guiry, M.D. (1983). Carrageenan patterns in the Gigartinaceae. Biochem. Syst. Ecol. 11: 175-182.

Mitchell, M.E. & Guiry, M.D. (1983). Carrageen: a local habitation or a name?. Journal of Ethnopharmacology 9: 347-351.

van der Meer, J.P., Guiry, M.D. & Bird, C.J. (1983). Sporogenesis in male plants of Chondrus crispus (Rhodophyta, Gigartinales). Canadian Journal of Botany 61: 2261-2268.

West, J.A., Guiry, M.D. & Masuda, M. (1983). Further investigations of the genetic affinities and life history patterns of the red alga Gigartina. In: Proceedings of the joint China-U.S. Phycology Symposium. Qindao, Nov. 16-21, 1981. (Tseng, C.K. Eds), pp. 137-166. Beijing: Science Press.

Blunden, G., Gordon, S.M., McLean, W.F.H. & Guiry, M.D. (1982). The distribution and possible taxonomic significance of quaternary ammonium and other Dragendorff-positive compounds in some genera of marine algae. Botanica Marina 25: 563-567.

Guiry, M.D. (1982). Devaleraea, a new genus of the Palmariaceae (Rhodophyta) in the North Atlantic and North Pacific. Journal of the Marine Biological Association of the United Kingdom 62: 1-13.

Guiry, M.D. & Coleman, M.M. (1982). Observations on the phenology and life history of a monoecious strain of Gigartina stellata (Stackh.) Batters (Rhodophyta) in Galway Bay. British Phycological Journal 17: 232.

Guiry, M.D. & Maggs, C.A. (1982). The morphology and life history of Dermocorynus montagnei Crouan frat. (Halymeniaceae; Rhodophyta) from Ireland. British Phycological Journal 17: 215-228.

Guiry, M.D. & Maggs, C.A. (1982). The life history of Meredithia microphylla (J. Ag.) J. Ag. (Rhodophyta) in culture. British Phycological Society 17: 232-233.

Guiry, M.D. & Schumacher, G.J. (1982). Taxonomy, morphology and life histories of algae: introduction to selected papers. In: Selected Papers in Phycology, II. (Rosowski, J. & Parker, B.C. Eds), pp. 1-68. Lawrence: Phycological Society of America.

Maggs, C.A. & Guiry, M.D. (1982). Morphology, phenology and photoperiodism in Halymenia latifolia Kütz. (Rhodophyta) from Ireland. Botanica Marina 25: 589-599.

Maggs, C.A. & Guiry, M.D. (1982). Notes on Irish marine algae - 5. Preliminary observations on deep water vegetation off West Donegal. Irish Naturalists' Journal 20: 357-361.

Maggs, C.A. & Guiry, M.D. (1982). The taxonomy, morphology and distribution of species of Scinaia Biv.-Bern. (Nemaliales, Rhodophyta) in north-western Europe. Nordic Journal of Botany 2: 517-523.

Maggs, C.A. & Guiry, M.D. (1982). The life history of Haematocelis fissurata Crouan frat. (Rhodophyta: Sphaerococcaceae). British Phycological Journal 17: 235.

McCandless, E.L., West, J.A. & Guiry, M.D. (1982). Carrageenan patterns in the Phyllophoraceae. Biochem. Syst. Ecol. 10: 275-284.

Rogers, D.J., Blunden, G., Guiry, M.D. & Northcott, M.J. (1982). Evaluation of Ptilota plumosa from Ireland as a source of haemagglutinin. Botanica Marina 25: 399-400.

West, J.A. & Guiry, M.D. (1982). A life history study of Gigartina johnstonii (Rhodophyta) from the Gulf of California. Botanica Marina 25: 205-211.

Guiry, M.D. (1981). Chondrus crispus Stackhouse 'T4' is a male clone (Rhodophyta). Phycologia 20: 438-439.

Guiry, M.D. & Blunden, G. (1981). What hope for Irish seaweeds?. Technology Ireland : 38-43.

Guiry, M.D. & Blunden, G. (1981). The commercial collection and utilisation of seaweed in Ireland. Proceedings of the International Seaweed Symposium 10: 675 -680.

Guiry, M.D. & Irvine, D.E.G. (1981). A critical reassessment of infraordinal classification in the Rhodymeniales. Proceedings of the International Seaweed Symposium 8: 106-111.

Guiry, M.D., Irvine, L.M. & Morton, O. (1981). Notes on Irish marine algae - 4. Gymnogongrus devoniensis (Greville) Schotter (Rhodophyta). Irish Naturalists' Journal 20: 288-292.

Guiry, M.D. & Ottway, B. (1981). Maricultural studies on Gracilaria foliifera, an agar-producing seaweed. Proceedings of the Economic and Medicinal Plants Research Association Symposium 3: 85-95.

Maggs, C.A. & Guiry, M.D. (1981). Le Cladophora pygmaea Reinke, espèce nouvelle pour les côtes de France. Travaux Station Biologique de Roscoff, Nouvelle Série 27: 11-13.

Irvine, D.E.G. & Guiry, M.D. (1980). Taxonomy of the Rhodymeniales. In: Taxonomy of Algae. Papers Presented at the International Symposium on Taxonomy of Algae held at the Centre of Advanced Study in Botany, University of Madras, December 9-16, 1974. (Desikachary, T.V. & Raja Rao, V.N. Eds), pp. 287-303. Madras: University of Madras.

Rogers, D.J., Blunden, G., Topliss, J.A. & Guiry, M.D. (1980). A survey of some marine organisms for haemagglutinins. Botanica Marina 23: 569-577.

Guiry, M.D. (1979). The life history in laboratory culture of an isolate of Chondrus crispus Stackh. (Rhodophyta) from Scotland. British Phycological Journal 14: 124 (abstract).

Guiry, M.D. (1979). Commercial exploitation of marine red algal polysaccharides - progress and prospects. Trop. Sci. 21: 183-195.

Guiry, M.D., Cullinane, J.P. & Whelan, P.M. (1979). Notes on Irish marine algae - 3. New records of Rhodophyta from the Wexford coast. Irish Naturalists' Journal 19: 304-307.

Guiry, M.D. (1978). Notes on some family names of Florideophyceae (Rhodophyta). Taxon 27: 191-195.

Guiry, M.D. (1978). A consensus and bibliography of Irish Seaweeds. pp. [1]-287, 1 map. Vaduz: J. Cramer.

Guiry, M.D. (1978). The importance of sporangia in the classification of the Florideophyceae. In: Modern Approaches to the Taxonomy of Red and Brown Algae. (Irvine, D.E.G. & Price, J.H. Eds) Vol.10, pp. 111-144. London: Academic Press.

Guiry, M.D. (1978). An appraisal of the Irish benthic marine algal flora. British Phycological Journal 13: 200.

Irvine, L.M., Irvine, D.E.G. & Guiry, M.D. (1978). Notes on Irish marine algae 2. Platoma marginifera (J. Agardh) Batters (Rhodophyta). Irish Naturalists' Journal 19: 188-189.

Guiry, M.D. (1977). Notes on Irish marine algae 1. New records from the west Waterford coast. Irish Naturalists' Journal 19: 80-85.

Guiry, M.D. (1977). Studies on marine algae of the British Isles. 10. The genus Rhodymenia. British Phycological Journal 12: 385-425, 62 figs, 2 tables.

West, J.A., Polanshek, A.R. & Guiry, M.D. (1977). The life history in culture of Petrocelis cruenta J. Agardh (Rhodophyta) from Ireland. British Phycological Journal 12: 45-53.

Cabioch, J. & Guiry, M.D. (1976). Halosacciocolax kjellmanii Lund, Rhodophycée parasite nouvelle sur les côtes de France. Travaux Station Biologique de Roscoff, Nouvelle Série 23: 27-29.

Guiry, M.D. & Irvine, L.M. (1976). A first record of the red alga Phyllophora sicula (Kützing) comb. nov. (P. palmettoides J. Agardh) from Ireland. Irish Naturalists' Journal 18: 284.

Guiry, M.D. & Morton, O. (1976). Schottera nicaeensis (Lamour. ex Duby) Guiry et Hollenberg from Co. Antrim. Irish Naturalists' Journal 18: 285-286.

Guiry, M.D. (1975). An assessment of Palmaria palmata forma mollis (S. et G.) comb. nov. (= Rhodymenia palmata forma mollis S. et G.) in the eastern North Pacific. Syesis 8: 245-261.

Guiry, M.D. (1975). Halosacciocolax kjellmanii Lund parasitic on Palmaria palmata forma mollis (S. et G.) Guiry in the eastern North Pacific. Syesis 8: 113-117.

Guiry, M.D. & Hollenberg, G.J. (1975). Schottera gen. nov. and Schottera nicaeensis (Lamour. ex Duby) comb. nov. (=Petroglossum nicaeense (Lamour. ex Duby) Schotter) in the British Isles. British Phycological Journal 10: 149-164, 15 figs.

Irvine, D.E.G., Guiry, M.D., Tittley, I. & Russell, G. (1975). New and interesting marine algae from the Shetland Islands. British Phycological Journal 10: 57-71.

Guiry, M.D. (1974). The occurrence of the red algal parasite Halosacciocolax lundii Edelstein in Britain. British Phycological Journal 9: 31-35.

Guiry, M.D. (1974). A preliminary consideration of the taxonomic position of Palmaria palmata (Linnaeus) Stackhouse = Rhodymenia palmata (Linnaeus) Greville. Journal of the Marine Biological Association of the United Kingdom 54: 509-528.

Guiry, M.D. (1974). A reappraisal of the genus Palmaria Stackhouse. British Phycological Journal 9: 219.

Guiry, M.D. & Irvine, L.M. (1974). A species of Cryptonemia new to Europe. British Phycological Journal 9: 225-237.

Guiry, G.M. & Guiry, M.D. (1973). Spread of an introduced ascidian to Ireland. Marine Pollution Bulletin 4: 127.

Guiry, M.D. (1973). The marine algal flora of Bantry Bay, Co. Cork. Irish Fisheries Investigations, Series B (Marine) 10: 1-22.

Kilty, G.M. & Guiry, M.D. (1973). Mercierella enigmatica Fauvel (Polychaeta, Serpulidae) from Cork Harbour. Irish Naturalists' Journal 17: 379-381.

Guiry, M.D. & Kilty, G.M. (1972). The Zostera beds of Dungarvan, Co. Waterford. Irish Naturalists' Journal 17: 186-189.

Guiry, M.D. (1971). Lomentaria orcadensis (Harv.) Taylor from Bantry Bay, Co. Cork. Irish Naturalists' Journal 17: 58-59.

Guiry, M.D. (1971). Carophyllia smithi Stokes and Antedon bifida (Pennant) from County Waterford. Irish Naturalists' Journal 17: 24.