English botanist (born 1965).
Alastair Culham (born 1965) is an English botanist. He is a member of the staff of the School of Biological Sciences at the University of Reading and Curator of the University of Reading Herbarium (RNG). He specialises in plant taxonomy, biosystematics and applications of techniques from molecular biology, phytogeography and phylogenetics. He focuses on broad-based research in biodiversity and taxonomy. One aspect of his research concerns the effects of climate change on biodiversity. He has contributed to papers on the impacts of climate change on plant evolution as well as reviews of data so