condition mean min max Sterile Leaflet 0.269692 0.103341 0.550545 Fertile Leaflet with Sori 1.748938 0.463854 3.62611 Primary Rachis 0.021706133333333332 0.0 0.0326637 Secondary Rachis 0.20926703333333332 0.0993471 0.358684 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.053830466666666674 0.0 0.142051