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 0.24603033333333335 0.0 0.738091 Rhizome 0.8414619999999999 0.0 2.16675 Root 7.902861333333333 0.454564 16.9207