condition mean min max Sterile Leaflet 3.5424539999999998 0.387002 5.64345 Fertile Leaflet with Sori 3.06634 0.0 5.86259 Primary Rachis 1.7564136666666668 0.359211 4.06747 Petiole 0.6694203333333334 0.0 1.22646 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0