Mabberley also pointed out that the genus "Rafflesia" was thus first validated by an anonymous report on the meeting published in the "Annals of Philosophy" in September 1820 (the name was technically an unpublished "nomen nudum" until this publication). Mabberley claimed the author was Samuel Frederick Gray. However, as that is nowhere stated in the "Annals", per Article 46.8 of the code of ICBN, Mabberley was wrong to formally ascribe the validation to Gray. The validation of the name was thus attributed to one Thomas Thomson, the editor of the "Annals" in 1820, by the IPNI. Mabberley admitted his error in 2017. This Thomson was not the botanist Thomas Thomson, who was three years old in 1820, but his identically-named father, a chemist, and "Rafflesia" is thus the only botanical taxon this man ever published!