Cryoimmobilized anther analysis reveals new ultrastructural insights into Rhynchospora (Cyperaceae) asymmetrical microsporogenesis - Rocha, Danilo M.; Neumann, Ulla; Nogueira, Fernanda M.; Tsipas, Georgios; Vanzela, André L. L.; Marques, André (Frontiers in Plant Science, 2025)