condition mean min max Sterile Leaflet 0.20643466666666668 0.0 0.31935 Fertile Leaflet with Sori 0.39174899999999996 0.0 0.594757 Primary Rachis 0.353016 0.233079 0.579042 Petiole 0.509933 0.0 0.804458 Crozier 0.0 0.0 0.0 Rhizome 0.547185 0.232379 0.907989 Root 8.54401 5.76657 12.5139