Coughlan, Patricia, Carolan, James C., Hook, Ingrid L.I., Kilmartin, Lisa and Hodkinson, Trevor R. (2020) Phylogenetics of Taxus Using the Internal Transcribed Spacers of Nuclear Ribosomal DNA and Plastid trnL-F Regions. Horticulturae, 6 (1). pp. 1-16. ISSN 2311-7524
Carolan, James C., Hook, Ingrid L.I., Chanse, Mark W., Kadereit, Joachim W. and Hodkinson, Trevor R. (2006) Phylogenetics of Papaver and Related Genera Based on DNA Sequences from ITS Nuclear Ribosomal DNA and Plastid trnL Intron and trnL–F Intergenic Spacers. Annals of Botany, 98 (1). pp. 141-155. ISSN 0305-7364
Carolan, James C., Hook, Ingrid L.I., Walsh, J.J. and Hodkinson, Trevor R. (2002) Using AFLP Markers for Species Differentiation and Assessment of Genetic Variability of in Vitro-Cultured Papaver Bracteatum (Section Oxytona). In Vitro Cellular & Developmental Biology - Plant, 38 (3). pp. 300-307.