condition mean min max Sterile Leaflet 1.2093353333333334 0.0 2.67098 Fertile Leaflet with Sori 1.7118 0.0 3.46872 Primary Rachis 4.09595 0.0 8.94558 Petiole 4.561052 0.413926 11.5601 Root 2.9937133333333334 0.0 7.07915