condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.19791433333333333 0.0 0.593743 Rhizome 0.079982 0.0 0.239946 Root 2.7227584333333334 0.0 8.086