http://onlinelibrary.wiley.com/doi/10.1110/ps.03395404/pdf

This article may be handy for your query.

Licorice root contain different chalcones. Attached is an article which will help you in this regard.

https://www.google.com.pk/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0ahUKEwj2y5jNrqfNAhWG5xoKHf71ACsQFgggMAA&url=http%3A%2F%2Fwww.florajournal.com%2Farchives%2F2014%2Fvol2issue2%2FPartC%2F23.1.pdf&usg=AFQjCNFl1JE5hH8W2FyqkJgcG2ujM10C6Q&sig2=UUk2Qa85_BhqryNKwA9Kwg

@ Dian Mayasari

Please have a look at this useful link.

https://www.alliedacademies.org/articles/synthesis-and-medicinal-significance-of-chalcones-a-review.pdf

Thanks!

Any plant that contains flavonoids contains chalcone as an intermediate for its synthesis. Many plants have flavonoids just have a look at “Medicinal plants and medicinal plant material containing flavonoids”