1) Li et al. 2021. BMC Biology. 19:232.
2) LPWG. 2017. Taxon. 66(1):44-77.
3) E. Koenen et al. 2020. New Phytologist. 225:1355-1369.
4) LPWG. 2013. Taxon. 62(2):217-248.