condition mean min max Sterile Leaflet 0.063583 0.0 0.190749 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.33403533333333335 0.0 0.549153 Root 10.081413333333334 2.14423 25.4327