Kron, K.A. and Powell, E.A. 2009. MOLECULAR SYSTEMATICS OF RHODODENDRON SUBGENUS TSUTSUSI (RHODOREAE, ERICOIDEAE, ERICACEAE). Edinburgh Journal of Botany. 66, 1 (Mar. 2009), 81–95. DOI:https://doi.org/10.1017/S0960428609005071.