condition mean min max Sterile Leaflet 4.2177389000000005 0.0 12.5927 Fertile Leaflet with Sori 0.13177103333333334 0.0 0.336112 Primary Rachis 0.2807878 0.0 0.798785 Petiole 0.035086 0.0 0.105258 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.05182 0.0 0.15546