condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.041639 0.0 0.124917 Petiole 0.0 0.0 0.0 Root 2.3265033333333336 0.0 6.97951