condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.45952333333333334 0.0 1.37857 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.07947433333333333 0.0 0.238423 Rhizome 0.0 0.0 0.0 Root 2.164095 0.0 6.10898