condition mean min max Sterile Leaflet 0.013339700000000001 0.0 0.0400191 Fertile Leaflet with Sori 0.013062233333333333 0.0 0.0391867 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.236166 0.0 0.708498 Root 10.485906733333334 0.0543987 31.3433