condition mean min max Sterile Leaflet 2.410359 0.0 6.34342 Fertile Leaflet with Sori 0.9429836666666667 0.0 2.5026 Primary Rachis 0.141381 0.0 0.424143 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0