T.D.Penn. (C.DC.) 1981 - Pennington TD, Styles BT, Taylor DAH (1981) Meliaceae, with Accounts of Swietenioideae and Chemotaxonomy. Flora Neotropica 28(2): 1-470. Retrieved from http://www.jstor.org/stable/4393748
There is no corrections for Trichilia quadrijuga subsp. cinerascens yet.