Qiu, Y.L.; Palmer, J.D. (1999). "Phylogeny of early land plants: insights from genes and genomes". Trends in Plant Science. 4 (1): 26–30. doi:10.1016/S1360-1385(98)01361-2. PMID10234267.
Qiu, Y.L.; Palmer, J.D. (1999). "Phylogeny of early land plants: insights from genes and genomes". Trends in Plant Science. 4 (1): 26–30. doi:10.1016/S1360-1385(98)01361-2. PMID10234267.