Ring widya botani purwa, mlajahin indik oong miwah alga sané kamargiang olih sujana mikologi miwah fikologi, widang paplajahan saking makatetiga kelompok punika kantun ngranjing ring lingsehan pamargi Kongres Botani Internasional.
Traditionally, botany has also included the study of fungi and algae by mycologists and phycologists respectively, with the study of these three groups of organisms remaining within the sphere of interest of the International Botanical Congress.