condition mean min max Sterile Leaflet 0.6528433333333333 0.0 1.95853 Fertile Leaflet with Sori 0.137802 0.0 0.413406 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Rhizome 0.312115 0.0 0.936345 Root 10.49339 3.39458 18.849