Manual and Dictionary of the Flowering Plants and FernsJohn Christopher Willis · First published 1908 · Latest edition 2023Open the Tome
A dictionary of the flowering plants and fernsJohn Christopher Willis · First published 1931 · Latest edition 1955Open the Tome
The evolution of the Tristichaceae and PodostemaceaeJohn Christopher Willis · First published 1926Open the Tome
Endemic genera of plants in their relation to othersJohn Christopher Willis · First published 1921Open the Tome
On the floras of certain islets outlying from Stewart Island (New Zealand)John Christopher Willis · First published 1919Open the Tome
The distribution of the plants of the outlying islands of New ZealandJohn Christopher Willis · First published 1917Open the Tome
The relative age of endemic species and other controversial pointsJohn Christopher Willis · First published 1917Open the Tome
The Royal Botanic Gardens of Ceylon as a centre for botanical study and researchJohn Christopher Willis · First published 1901Open the Tome
