condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 1.018256 0.204401 2.59615 Petiole 0.6363733333333333 0.0 1.90912 Crozier 0.0 0.0 0.0 Rhizome 0.6939533333333333 0.61659 0.802115 Root 3.88846 1.37121 5.66989