| Peer-reviewed journals | 
| Morales, JF; Endress, M E; Liede-Schumann, S: Sex, drugs and pupusas: Disentangling relationships in Echiteae (Apocynaceae), Taxon, 66(3), 623-644 (2017), doi:https://doi.org/10.12705/663.7  -- Details | 
| Morales, JF; Endress, M E; Liede-Schumann, S: Systematics of Prestonia (Apocynaceae: Apocynoids: Echiteae) 80 years after Woodson, Annals of the Missouri Botanical Garden, 102, 520-541 (2017), doi:https://doi.org/10.3417/D-17-00002A  -- Details | 
| Morales, JF; Liede-Schumann, S: The genus Prestonia (Apocynaceae) in Colombia, Phytotaxa, 265, 204-224 (2016)  -- Details |