condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0251358 0.0 0.0754074 Primary Rachis 0.015702900000000002 0.0 0.0471087 Petiole 0.0 0.0 0.0 Crozier 0.010598366666666666 0.0 0.0317951 Rhizome 0.0452421 0.0254205 0.0668877 Root 10.249051666666666 0.784955 18.5161