Leaf macro- and micromorphological traits and phenotypic diversity of Quercus petraea subspecies in Eastern Romania - GAFENCO (PLEȘCA), Ioana M.; APOSTOL, Ecaterina N.; PLEȘCA, Bogdan I.; CIOCÎRLAN, Elena; GUREAN, Dan M.; ȘOFLETEA, Neculae (University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 2024)