Environment Protection and Biodiversity Conservation (National Recovery Plan for the Wollemi Pine (Wollemia nobilis)) Instrument 2025
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Wollemia
Wollemia was confirmed to be a distinct genus by Gilmore and Hill (1997) through DNA sequencing of the plastid gene rbcL. This sequence data combined with different ranges of other conifer taxa suggests that Wollemia is ancestral to Agathis and Araucaria and may be the earliest derived genus in Araucariaceae (Setoguchi et al. 1998) or, alternatively, that Wollemia is a sister group to Agathis, with these two forming a clade that is sister to Araucaria (Gilmore and Hill 1997; Stefanović et al. 1998). Analysis by Liu et al. (2009) supported Wollemia being a sister group to Agathis. The most recent study concluded Agathis and Wollemia formed a separate clade to Araucaria that was distinct by the Cretaceous or Palaeogene period (Escapa & Catalano 2013).