condition mean min max Sterile Leaflet 13.806030000000002 4.36372 32.1878 Fertile Leaflet with Sori 1.4714823333333333 0.883001 2.59552 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.38978066666666666 0.0 0.781133 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0