condition mean min max Sterile Leaflet 3.649557333333333 0.135772 7.00198 Fertile Leaflet with Sori 3.83996 0.0 9.76197 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Root 0.027841566666666664 0.0 0.0835247