condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.027090566666666666 0.0 0.0812717 Rhizome 0.0 0.0 0.0 Root 2.3338688000000003 0.0 6.96121