found: Gardener's guide to South African plants, 1993:t.p. (Pitta Joffe)
found: SANB correspondence with author, Nov. 17, 1993(real name: Joffe, Hileen; maiden name: Rowe; date of birth: November 21, 1947)
found: Creative gardening with indigenous plants, 2012:t.p. (Pitta Joffe) p. 4 of cover (a botanist by profession with a keen interest in horticulture, authored a number of books on indigenous plants)
found: Making the most of indigenous trees, 2015:title page (Main photographer: Pitta Joffe) verso title page (photographs taken by Pitta Joffe (SANBI))
found: Who's who Southern Africa website, January 15, 2016(Pitta Joffe, of the National Botanical Institute, Pretoria, is the author of several books on indigenous gardening) - http://whoswho.co.za/pitta-joffe