condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.2387433333333333 1.52596 3.64634 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.2319203333333333 0.0 0.695761 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0