The call for symposia of XX International Botanical Congress (IBC) is now open at and will remain open until December 30th, 2022, at 1 pm (GMT+1). Prospective attendees of the XX IBC are invited to submit symposium proposals that fit at least one of the 31 topics listed at the end of its webpage.

Each symposium will last for 2 hours and will consist of six 20-minute oral communications (15 min presentations + 5 min Q&A). To maximize the interchangeability of participants among concurrent symposia, changes to this schedule will not be allowed.