condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.12744366666666665 0.0 0.382331 Primary Rachis 0.0 0.0 0.0 Petiole 0.33403166666666667 0.0 0.645077 Crozier 0.115774 0.0 0.347322 Rhizome 2.3754 0.0 4.16035 Root 3.53522 0.0 7.98461