Verbatim text: Cullen, J. 1980. A revision of Rhododendron. 1. Subgenus Rhododendron sections Rhododendron and Pogonanthum. Notes Roy. Bot. Gard. Edinburgh 39: 1–207.
Author: Cullen, J.
Year: 1980
Title: A revision of Rhododendron. 1. Subgenus Rhododendron sections Rhododendron and Pogonanthum
Journal: Notes Roy. Bot. Gard. Edinburgh
Volume: 39
Pages: 1–207