condition mean min max Sterile Leaflet 6.34121 0.0 16.8347 Fertile Leaflet with Sori 0.61011 0.0 1.83033 Primary Rachis 0.5572376666666666 0.0 0.874334 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.09656033333333335 0.0 0.289681