condition mean min max Sterile Leaflet 0.46339400000000003 0.09999 1.09573 Fertile Leaflet with Sori 2.682392 0.211719 7.23761 Primary Rachis 0.378388 0.132425 0.723834 Petiole 0.5641120000000001 0.166255 1.30641 Crozier 0.0 0.0 0.0 Rhizome 0.011781466666666667 0.0 0.0182222 Root 0.050247933333333335 0.0 0.134532