condition mean min max Sterile Leaflet 0.764947 0.546332 0.947207 Fertile Leaflet with Sori 2.28545 2.0594 2.47002 Primary Rachis 1.1334073333333334 0.561092 1.64335 Petiole 0.199633 0.0 0.301263 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.10843466666666667 0.0 0.325304