condition mean min max Sterile Leaflet 0.3910206666666667 0.0 0.693021 Fertile Leaflet with Sori 1.117514 0.649412 1.45766 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.37115 0.219975 0.618544 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 9.794553333333333 1.17295 19.1801