condition mean min max Sterile Leaflet 0.0204851 0.0 0.0614553 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Root 2.6582405 0.0 7.90917