The moss physcomitrella patens reproductive organ development is highly organized, affected by the two SHI/STY genes and by the level of active auxin in the SHI/STY expression domain
K. Landberg, E. Pederson, T. Viaene, B. Bozorg, J. Friml, H. Jönsson, M. Thelander, E. Sundberg, Plant Physiology 162 (2013) 1406–1419.