Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1988)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1988)

Conservation and sustainable management of trees, report of the first regional workshop, held at Jameson Hotel, Harare, Zimbabwe 9-11 July, 1996 - WCMC (WCMC, 1996)

The World List of Threatened Trees (1998)