condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.6132366666666667 0.0 1.83971 Primary Rachis 0.0 0.0 0.0 Petiole 0.301439 0.0 0.461342 Crozier 0.0 0.0 0.0 Rhizome 2.2833366666666666 1.10005 3.21324 Root 3.30009 0.0 7.41048