condition mean min max Sterile Leaflet 2.1833666666666667 0.0 6.5501 Fertile Leaflet with Sori 0.3346888 0.0875714 0.582199 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.038437 0.0 0.115311