condition mean min max Sterile Leaflet 0.33918166666666666 0.130633 0.493054 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 1.5706200000000001 0.0 3.17464 Root 3.819033333333333 3.39568 4.43617