condition mean min max Sterile Leaflet 0.273807 0.0 0.675427 Fertile Leaflet with Sori 7.6338333333333335 1.26343 11.6699 Primary Rachis 0.04855433333333333 0.0 0.145663 Secondary Rachis 0.1418687 0.0604671 0.270024 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0352839 0.0 0.0688521