The Oxalosis and Hyperoxaluria Foundation publishes an up-to-date list of foods and their oxalate content. Based on research from 2008 and revised as new figures become available, this report divides foods into very high, high, medium, and low levels of oxalates according to serving size.
https://lakeshorepethospital.com/wp-content/uploads/2018/07/Oxalates_In_Food.pdf

