Last July 2022, several people from the Sudan University of Science and Technology (Khartoum, Sudan) visited the Universidad Politécnica de Madrid thanks to the Erasmus+ mobility program for staff in non-European associated countries (Erasmus+ KA-107). Two of them requested to visit the EMMA herbarium: Galal Fashir and Amani Kobbail. On July 20th and 21st, we…