Red Algae Beach, Sydney, Australia

The system reflected the consensus in 2005. Many studies published since then have provided evidence which is in agreement. However, other studies have suggested Archaeplastida is paraphyletic. As of January 2011, the situation appears unresolved.
A major research initiative to reconstruct the Red Algal Tree of Life (RedToL) using phylogenetic and genomic approaches is funded by the National Science Foundation as part of the Assembling the Tree of Life Program.