We are happy to share selected contributions from IAB IMOSS SEB 2019, the 2019 International Association of Bryologists (IAB), International Molecular Moss Science Society (iMOSS) and la Sociedad Española de Briología (SEB) joint conference, held in Madrid, Spain, on July 9-12, 2019. 

The papers are published in the journal Frontiers in Plant Sciences and listed below: