Herbison-Evans, Don & Crossley, Stella (3 December 2020). "Chloroclystis approximata (Walker, 1869)". Australian Caterpillars and their Butterflies and Moths. Retrieved 25 March 2025.
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Rajaei, Hossein; Hausmann, Axel; Scoble, Malcolm; Wanke, Dominic; Plotkin, David; Brehm, Gunnar; Murillo-Ramos, Leidys & Sihvonen, Pasi (6 June 2024). "Chloroclystis approximata (Walker, 1869)". Online Taxonomic Facility of Geometridae 1.1.24.158. Retrieved 25 March 2025.