Photos: Peltigera dolichorhiza,, lichenized fungus in symbiosis with Nostoc cyanobacteria, in the field in Colombia. Credit: R. Lücking all rights reserved.Arthrospira, Cylindrospermum. and Gloeocapsa, cyanobacterial cultures from the BCCM collection. Credit: A. Wilmotte, all rights reservedCladophora sp. in the field. Credit: Line Le Gall, all rights reserved. Photos from the event: Margaux Vanhussel