Pieter B. Pelser (born 12 January 1976) is a professor in Plant Systematics and the curator of the herbarium at the University of Canterbury in Christchurch, New Zealand.
One research interest is the evolutionary history of the tribe Senecioneae, one of the largest tribes in the largest family of flowering plants.
[1] He wrote the most recent attempt to define and delimit this tribe and its problematic founding species Senecio.
[3] Pieter B. Pelser was born in Wijchen, a town in the province of Gelderland, in the eastern part of the Netherlands.
Pelser is Senior Lecturer in Plant Systematics, University of Canterbury Pieter B. Pelser is a co-founder and a Main editor for Co's Digital Flora of the Philippines[4] a website dedicated to collating photos of Philippine Botanical Species[5] Research on the Philippine members of the genus Rafflesia, which has the biggest flowers of any plant, and in particular the conservation of them.