condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.19199766666666665 0.0 0.289844 Crozier 0.177499 0.0 0.532497 Rhizome 1.1892319999999998 0.0 3.09982 Root 17.628543666666666 0.983331 36.2219