[1] This botanist is denoted by the author abbreviation Lye when citing a botanical name.
[2] Lye was born in Bryne in south western Norway and studied at the University of Oslo.
In 1968 he was employed as a scientific assistant at the former Agricultural University of Norway in the Department of Botany.
[3] He was regarded as an authority on sedges and revised flora releases in tropical countries, often in Africa.
[3] Most of his published works were for the families Cyperaceae, Rosaceae, Asteraceae, Juncaceae and Poaceae.