Number of scientific contributions classified per topic per decade from 1950 to today. The totals are higher than the contributions published because the same paper could be classified in more than one topic.

  Part of: Barone G, Cirlincione F, Di Gristina E, Domina G, Gianguzzi L, Mirabile G, Naselli-Flores L, Raimondo FM, Venturella G (2022) An analysis of botanical studies of vascular plants from Italian wetlands. Italian Botanist 14: 45-60.