Tolong jelaskan mengenai Vireya dari Rhododendron

Sleumer, Hermann Otto. An account of rhododendron in Malesia. P. Noordhoff, Groningen 1966

David G. Leach. The Discovery of the Malaysian Rhododendrons. JARS Volume 32, Number 1 Winter 1978

Argent, G. Rhododendrons of subgenus Vireya. 2006. Royal Horticultural Society. ISBN 1-902896-61-0

Gillian K. Brown, Lyn A. Craven, Frank Udovicic and Pauline Y. Ladiges. Phylogenetic relationships of Rhododendron section Vireya (Ericaceae) inferred from the ITS nrDNA region. Australian Systematic Botany 19, 329–342. August 2006. 10.1071/SB05019

Hall, B.D., L.A. Craven & L.A. Goetsch. 2006. The taxonomy of subsection Pseudovireya – two distinctly different taxa within subsection Pseudovireya and their relation to the rooting of section Vireya within subgenus Rhododendron. Rhododendron Sp. 1: 72, 91–97

Peter Adams. Evolution, Adaptive Radiation and Vireya Rhododendrons - Part I. JARS FALL 2012 pp. 201-3

Peter Adams. Evolution, Adaptive Radiation and Vireya Rhododendrons - Part I. JARS SPRING 2013 pp. 74-76

Biodiversity of the Vireya group of Rhododendron L. (Ericaceae) collections in New Zealand and their potential contribution to international conservation. Fayaz A. PhD Thesis, Department of Plant Science, Massey University, New Zealand. 2012