Byron B. Lamont u. a.: The Anatomy and Chemistry of the Color Band of Grasstree Stems (Xanthorrhoea Preissii) used for Plant Age and Fire History Determination. In: Annals of Botany. 89, 2002, S. 605–612, online. (PDF; 574 kB), doi:10.1093/aob/mcf073.
epa.qld.gov.au
A. C. Borsboom: Xanthorrhoea: A review of current knowledge with a focus on X. johnsonii and X. latifolia, two Queensland protected plants-in-trade. Wildlife Ecology Unit Environmental Sciences Division, EPA, 2005: (PDF-Dosiero).
oxfordjournals.org
aob.oxfordjournals.org
Byron B. Lamont u. a.: The Anatomy and Chemistry of the Color Band of Grasstree Stems (Xanthorrhoea Preissii) used for Plant Age and Fire History Determination. In: Annals of Botany. 89, 2002, S. 605–612, online. (PDF; 574 kB), doi:10.1093/aob/mcf073.