HOOGHIEMSTRA , HENRY. POLLEN MORPHOLOGY OF THE PLANTAGO SPECIES OF THE COLOMBIAN ANDES AND ITS APPLICATION TO FOSSIL MATERIAL . Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales, Bogotá, Colombia, v. 15, n. 58, p. 41–65, 1983. DOI: 10.18257/raccefyn.15(58).1983.3782. Disponível em: https://raccefyn.co/index.php/raccefyn/article/view/3782. Acesso em: 30 apr. 2026.