condition mean min max Sterile Leaflet 2.702014 0.530462 4.27398 Fertile Leaflet with Sori 1.73825 1.24803 2.45119 Primary Rachis 0.241326 0.190411 0.294708 Petiole 0.22101400000000002 0.139832 0.316093 Crozier 0.0031311833333333336 0.0 0.00939355 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0