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Dhetchuvi, J.-B. & A.C. Ley (2017) Marantaceae. In: Sosef, M.S.M. (Ed.) Flore d´Afrique Centrale (Republique Démocratique du Congo- Rwanda – Burundi). Jardin Botanique Meise, Bruessels.

Ley, A.C. & O.J. Hardy (2017) Hybridization and asymmetric introgression after secondary contact in two tropical African climber species Haumania danckelmaniana and H. liebrechtsiana (Marantaceae). International Journal of Plant Sciences 178(6): 421–430.

Sosef, Marc S.M., Dauby, G., Blach-Overgaard, A., van der Burgt, X., Catarino L., Damen, T., Deblauwe, V., Dessein, S, Dransfield, J., Droissart, V.,
Duarte, M.C., Engledow, H., Fadeur, G., Figueira, R., Gereau, R.E., Hardy, O.J.,
Harris, D.J., de Heij, J., Janssens, S., Klomberg, Y., Ley, A.C.,
Mackinder, B.A., Meerts, P., van de Poe, J.L., Sonké, B. Stévart, R.,
Stoffelen, P., Svenning, J.-C., Sepulchre, P., Zaiss, R., Wieringa, J.J. and
Couvreur, T.L.P.* (2017) Exploring the floristic diversity of tropical Africa. BMC Biology. DOI 10.1186/s12915-017-0356-8

Dauby, G., R. Zaiss, A. Blach-Overgaard, L. Catarino, T. Damen, V. Deblauwe, S. Dessein, J. Dransfield, V. Droissart, M.C. Duarte, H. Engledow, G. Fadeur, R. Figueira, R.E. Gereau, O.J. Hardy, D.J. Harris, J. de Heij, S. Janssens, Y. Klomberg, A.C. Ley, B.A. Mackinder, P. Meerts, J.L. van de Poel, B. Sonké, M.S.M. Sosef, T, Stévart, P. Stoffelen,  J.-C. Svenning, P. Sepulchre, X. van der Burgt, J.J. Wieringa & T.L.P. Couvreur (2016) RAINBIO: a mega-database of tropical African vascular plants distributions. PhytoKeys 74: 1–18. doi: 10.3897/phytokeys.74.9723

Ley, A.C., Heuertz, M. & O.J. Hardy (2016) The evolutionary history of central African rain forest plants: phylogeographic insights from sister species in the climber genus Haumania (Marantaceae). Journal of Biogeography 44: 308-321. doi:10.1111/jbi.12902   

Ley, A.C. & O.J. Hardy (2016) Spatially limited clonality and pollen and seed dispersal in a characteristic climber of Central African rain forests: Haumania danckelmaniana (Marantaceae). Biotropica 48: 618–627. doi: 10.1111/btp.12341.

Ley, A.C. & O.J. Hardy (2016) Polymorphic microsatellite loci for Haumania danckelmaniana and transferability into H. liebrechtsiana (Marantaceae). APPS 4 (3): 1500116.

Ewédjè E.B.K., Ahanchédé A., Hardy O.J. & A.C. Ley  (2015) Reproductive biology of Pentadesma butyracea Sabine (Clusiaceae) in Benin. Plant Ecology and Evolution 148 (2): 213-228.

Ley, A.C., Dauby, G., Köhler, J., Wypior, C., Röser, M. & O.J. Hardy (2014) Comparative phylogeography of eight herbs and lianas (Marantaceae) in central African rainforests. Frontiers in Genetics 5: article 403. doi: 10.3389/fgene.2014.00403

Cabezas, F., Velayos, M. & A. C. Ley (2014) Marantaceae. In: Velayos, M., Aedo, C., Cabezas, F., de la Estrella, M., Barberá, P. & Fero, M. (Eds.) Flora de Guinea Ecuatorial. Vol. XI Bromelianae - Juncanae. CSIC, Real Jardin Botanico, Madrid. 31-46.

Ley, A.C. & O.J. Hardy (2014) Contrasting patterns of gene flow between sister plant species in the understorey of African moist forests - the case of sympatric and parapatric Marantaceae species. Molecular Phylogenetics and Evolution 77: 264-274.

Ley, A.C. & D.J. Harris (2014) Flower morphological diversity in Aframomum (Zingiberaceae) from Africa - the importance of mechanical isolation through pollinator shifts for speciation? Plant Ecology and Evolution 147: 33-48.

Ley, A.C. & R. Claßen-Bockhoff (2013) Breeding system and fruit set in African Marantaceae. Flora. 208: 532-537.

Ley, A.C. & O.J. Hardy (2013) Improving AFLP analysis of large-scale patterns of genetic variation - a case study with the Central African lianas Haumania spp (Marantaceae) showing interspecific gene flow. Molecular Ecology 22, 7:1984-1997.

Ley, A.C. & R. Claßen-Bockhoff (2012) Five new species of Marantaceae from Gabon. Adansonia 34(1): 37-52.

Ley A.C, Claßen-Bockhoff R. (2012) Floral synorganization and its influence on mechanical isolation and autogamy in Marantaceae. Botanical Journal of the Linnean Society 168(3): 300--322.

Anthony, N.M., Mickala, P., Abernethy, K.A., Atteke, C., Bissiengou, P., Bruford, M.W., Dallmeier, F., Decaëns, T., Dudu, A., Freedman, A., Gonder, M.K., Hardy, O., Hart, J., Jeffery, K., Johnson, M., Koumba Pambo, F., Ley, A., Korte L., Lahm S.A., Lee M., Lowenstein, J., Mboumba, J.-F., Ndiade Bourobou, D., Ngomanda, A., Ntie, S., Sebag, D., Sullivan, J., Vanthomme, H., Vergnes, V., Verheyen, E. & B. Zimkus (2011) Biodiversity and conservation genetics research in central Africa: new approaches and avenues for international collaboration. Conservation Genetics Resources. (published onoline: DOI 10.1007/s12686-011-9554-9).

Ley, A. & R. Claßen-Bockhoff (2011) Ontogenetic and phylogenetic diversification in Marantaceae - a review. In Wanntorp, L. & Ronse de Craene, L (eds.) Flowers on the Tree of Life, pp. 239-255. Cambridge Univ. Press.

Ley, A.C. & R. Claßen-Bockhoff (2011) Evolution in African Marantaceae - Evidence from Phylogenetic, Ecological and Morphological Studies. Systematic Botany 36(2): 277-290.

Ley, A.C. & O. J. Hardy (2010)
Species delimitation in the Central African herbs Haumania (Marantaceae) using georeferenced nuclear and chloroplastic DNA sequences. Molecular Phylogenetics and Evolution 57: 859–867.

Ley, A.C. & R. Classen-Bockhoff (2010).
Parallel evolution in plant-pollinator interaction in African Marantaceae. In: X. van der Burgt, J. can der Maesen & J.-M. Onana (eds.) Systematics and Conservation of African Plants, pp. 847-854. Royal Botanic Gardens, Kew.

Pischtschan, E., A.C. Ley & R. Claßen-Bockhoff (2010)
Diversity and systematic value of the hooded staminode in Marantaceae. Plant Systematics and Evolution 286: 91-102.

Ley, A.C. & R. Claßen-Bockhoff (2009)
Pollination syndromes in African Marantaceae. Annals of Botany 104: 41-56.

Ley, A.C. (2008) Evolution in African Marantaceae - evidence from floral morphology, ecology and phylogeny.
PhD thesis. Institut für Spezielle Botanik, University of Mainz, Germany.

Ley, A.C., C. Nowicki, W. Barthlott & P.L. Ibisch (2004)
Biogeography and spatial diversity. In: Vasquez, Ch. R. & P.L. Ibisch (Eds.) Orchids of Bolivia - Diversity and conservation status Vol.2 Laeliinae, Polystachinae, Sobraliinae with updates of the Pleurothallidinae. Editorial FAN, Santa Cruz de la Sierra, Bolivia. 492-571.

Ley, A.C., C. Nowicki & P.L. Ibisch (2004)
Distribution maps of the Pleurothallidinae. In: Vasquez, Ch. R. & P.L. Ibisch (Eds.) Orchids of Bolivia - Diversity and conservation status Vol.2 Laeliinae, Polystachinae, Sobraliinae with updates of the Pleurothallidinae. Editorial FAN, Santa Cruz de la Sierra, Bolivia. 402-487.

Nowicki, C., A.C. Ley, R. Caballero, J.H. Sommer, W. Barthlott & P.L. Ibisch (2004) Extrapolating distribution ranges – BIOM 1.1, a computerized bio-climatic model for the extrapolation of species ranges and diversity patterns. In: Vasquez, Ch. R. & P.L. Ibisch (Eds.) Orchids of Bolivia - Diversity and conservation status Vol.2 Laeliinae, Polystachinae, Sobraliinae with updates of the Pleurothallidinae. Editorial FAN, Santa Cruz de la Sierra, Bolivia. 39-68.

Poster:

Ley, A.C., M. Heuertz & O.J. Hardy (2014) Phylogeographic patterns in Haumania (Marantaceae) suggest allopatric speciation in tropical Central Africa. iSeq, Leipzig, 13 -14 November

Ley, A.C. & O.J. Hardy (2013) Phylogeographic studies reveal diverse speciation patterns in central African tropical herbs (Marantaceae). ESEB, Lissabon, 19 - 24 August

Ley, A.C. & O.J. Hardy (2010) Species delimitation in Central African herbs combining phylogenetic and phylogeographic approaches – the case of Haumania J.Leonard (Marantaceae). Projet IFORA; Colloque final de restitution, Montpellier, 21 - 22 June

Ley, A.C. & R. Claßen-Bockhoff (2008) Mechanisms of autogamy in Marantaceae. 10th Annual Meeting of the GfBS and the 18th International Symposium "Biodiversity and Evolutionary Biology" of the DBG, Göttingen, 7 – 11 April

Ley, A.C., E. Pischtschan & R. Claßen-Bockhoff (2007) Diversity and ontogeny in the hooded staminode of Marantaceae. Botanikertagung, Hamburg, 3 – 7 September

Ley, A.C. & R. Claßen-Bockhoff (2006) Floral ecology and pollination of African Marantaceae. 19th Annual Meeting of the Society for Tropical Ecology, Kaiserslautern, 21 – 24 February

Ley, A.C. & R. Claßen-Bockhoff (2005) Floral diversity of African Marantaceae – XVII. International Botanical Congress, Austria Centre Vienna, 17 - 23 July

Vorträge:

Ley, A.C., A. Enang, C. Mbella, R. Ambahe, P. Herzog, S. Lachmuth, M. Mitchell, P. Sesink Clee, K. Gonder (2017) Phenotypic variability along a tropical African climate gradient - the perennial forest understorey herb Sarcophrynium prionogonium (Marantaceae).European Conference of Tropical Ecology, February, Brussels.

Ley, A.C. & O.J. Hardy  (2017) Hybridization and asymmetric introgression after secondary contact in two tropical African climber species Haumania danckelmaniana and H. liebrechtsiana (Marantaceae). European Conference of Tropical Ecology (GTÖ), February, Brussels.

Ley, A.C. & O.J. Hardy (2016) Spatially limited clonality, pollen and seed dispersal in a climber of Central African rain forests: Haumania danckelmaniana (Marantaceae). German Society of Tropical Ecology, GTÖ, Göttingen, Germany, February.

Ley, A.C., Dauby, G., Köhler, J., Wypior C., Röser M., Hardy O.J. (2014) Comparative phylogeography of eight tropical herbs and lianas (Marantaceae) in central African rainforests. International Symposium "Biodiversity and Evolutionary Biology" of the German Botanical Society (DBG), Dresden, Germany, March.

Ley, A.C. & O. J. Hardy (2012) Phylogeographic studies reveal diverse speciation patterns in central African tropical herbs (Marantaceae). 21st International Symposium "Biodiversity and Evolutionary Biology" of the German Botanical Society (DBG), Mainz, Germany, September.

Ley, A.C. & D. Harris (2011) Flower morphological diversity in Aframomum - potential for adaptations to different pollinators as driving speciation agents? 25th Meeting of the Scandinavian Association for Pollination Ecologists (SCAPE). Vingstedcentret, Denmark, October

Ley, A.C. & O. J. Hardy (2010-2011) The impact of Pleistocene climate change on speciation in Central Africa – the case of Haumania (Marantaceae).

  • 19th International Symposium “Biodiversity and Evolutionary Biology” of the German Botanical Society (DBG), Vienna, Austria, September 2010.
  • Annual meeting "Future of Tropical Biodiversity" of the Society for Tropical Ecology / Gesellschaft fuer Tropenoekologie (GTO), Frankfurt, Germany, February 2011.

Ley, A.C. & R. Claßen-Bockhoff (2009) Ontogenetic and phylogenetic diversification of the flower in Marantaceae. Systematics 2009, Leiden, Netherlands. August.

Ley, A.C. & R. Claßen-Bockhoff (2006 – 2008) Parallel evolution in plant-pollinator interactions in African Marantaceae.

  • Botany 2006, Chico, USA. August 2006;
  • 17 th International Symposium Biodiversity and Evolutionary Biology, Bonn, Germany, October 2006;
  • 18th AETFAT Congress in Yaounde, Cameroon. February 2007;
  • Monocots 2008, Copenhagen, Denmark, August 2008

Ley, A.C., C. Nowicki, W. Barthlott & P.L. Ibisch (2004) Modelling and mapping diversity and endemism patterns of plant species: the example of the orchids of Bolivia. 17 th annual meeting of the Society for Tropical Ecology in Bayreuth, Germany. February 2004

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