Comparative exine development from the post-tetrad stage in the early-divergent lineages of Ranunculales: the genera Euptelea and Pteridophyllum

1. Pérez-Gutiérrez, M.A.
2. Fernández, M.C.
3. Salinas-Bonillo, M.J.
4. Suárez-Santiago, V.N.
5. Ben-Menni Schuler, S.
6. Romero-García, A.T.