condition mean min max Sterile Leaflet 0.0 0.0 0.0 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 0.247457 0.0 0.742371 Rhizome 0.304471 0.0 0.913413 Root 12.0128 0.0 20.3753