Together with Don Foreman, he authored the first volume of Flora of Victoria,[3] authoring a further two with
Timothy Entwisle.[4][5] while for Volume 4 all three shared the work.[6]
He has published 112 names[1] in more than 80 peer-reviewed papers (see scholia). He has served on the working group (vascular plants) for the
Council of Heads of Australasian Herbaria since 2005,[7] and in 2010 served as its taxonomic advisor on the
Campanulaceae family.[7] He has also contributed his knowledge of plant communities in the
Victorian Alps to the Mountain Invasion Research Network.[8]