condition mean min max Sterile Leaflet 4.2334000000000005 0.0 12.7002 Fertile Leaflet with Sori 0.35124900000000003 0.0 0.915455 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 26.384866666666667 23.1724 28.6261 Rhizome 2.8861478 0.0394134 7.17605 Root 1.4174733333333334 0.0 2.60475