condition mean min max Sterile Leaflet 0.523828 0.0 0.928026 Fertile Leaflet with Sori 3.51793 2.32483 4.74899 Primary Rachis 0.27477513333333337 0.0 0.726442 Secondary Rachis 1.1227366666666667 0.0 2.0055 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.151425 0.0 0.243174