condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.73372 2.14535 3.38526 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.037503133333333334 0.0 0.0767691 Rhizome 0.0 0.0 0.0 Root 0.015321966666666666 0.0 0.0459659