Sytsma, Kenneth J.; Morawetz, Jeffery; Pires, J. Chris; Nepokroeff, Molly; Conti, Elena; Zjhra, Michelle; Hall, Jocelyn C.; Chase, Mark W. (2002), „Urticalean rosids: Circumscription, rosid ancestry, and phylogenetics based on rbcL, trnL–F, and ndhF sequences”, Am J Bot, 89 (9): 1531—1546, PMID21665755, S2CID207690258, doi:10.3732/ajb.89.9.1531
Yang M-Q, van Velzen R, Bakker FT, Sattarian A, Li D-Z, Yi T-S. (2013). „Molecular phylogenetics and character evolution of Cannabaceae”. Taxon. 62 (3): 473—485. doi:10.12705/623.9.CS1 одржавање: Употреба параметра аутори (веза)