condition mean min max Sterile Leaflet 0.02041513333333333 0.0 0.0612454 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 2.4420633333333335 0.0 7.32619