condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 1.086996 0.977738 1.22057 Petiole 2.0757066666666666 0.0 6.22712 Crozier 0.024830633333333334 0.0 0.0744919 Rhizome 0.38893 0.0 0.674144 Root 3.38543 1.61857 6.69301