Russell Barrett worked as a Research Botanist with the Botanic Gardens and Parks Authority in Perth prior to moving to the Australian National Herbarium, CSIRO, in Canberra, Australia. He is an Adjunct Lecturer at the University of Western Australia in the School of Plant Biology and a Research Associate at the Western Australian Herbarium. He grew up in the remote Kimberley region of northern Western Australia, developing an early passion for plants. An experienced taxonomist and photographer, his work has taken him to many remote parts of the state, discovering many new species of plants along the way. Eng Pin Tay is a Herbarium Botanist at the Botanic Gardens and Parks Authority, Perth, Australia. Before this, he worked for 18 years with tropical plants in Singapore as Curator of the then Parks and Recreation Department and as Senior Research Officer at the Singapore Botanic Gardens and nature reserves under the National Parks Board. A keen photographer, traveller and experienced botanist, his work has taken him to many natural areas in South-East Asia and botanic gardens around the world.