condition mean min max Sterile Leaflet 0.140343 0.0 0.421029 Fertile Leaflet with Sori 0.765013 0.379869 1.52932 Primary Rachis 0.347184 0.0 0.656627 Petiole 0.119006 0.0 0.357018 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 4.14301 0.0 10.2998