In his spare time, Rogers studied orchids and became a world authority on Australasian species. In spite of having no formal training in botany, he published 25 papers on the subject between 1906 and 1932, collected more than 5,200 specimens, built his own herbarium and corresponded with orchid experts in England, Holland and America. He was assisted for nearly 30 years by the Adelaide artist,
Rosa Fiveash in the drawing of the many species of orchid that he located and identified. In 1905 he was elected a Fellow of the
Royal Society of South Australia and served as its Vice President (1914) and President (1920) and in 1924 was elected a fellow of the
Linnaean Society. Rogers corresponded with other orchidologist such as
Herman Rupp,
Edith Coleman,
William Nicholls,
Cyril Wright and
Rudolf Schlechter and the descriptions of many species, named by others, were influenced by him. Two orchids have been named for him (
Pterostylis rogersii E.Coleman and
Prasophyllum rogersii Rupp). Some of the many orchids described and named by Rogers include: •
Caladenia pectinata R.S Rogers •
Caladenia radialis R.S.Rogers •
Prasophyllum constrictum R.S.Rogers •
Thelymitra azurea R.S.Rogers •
Pterostylis alpina R.S.Rogers ==References==