condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.2920687 0.0217021 0.500404 Petiole 0.14356366666666667 0.0 0.430691 Crozier 0.0 0.0 0.0 Rhizome 0.7608980000000001 0.147787 1.39599 Root 2.946179 0.979567 5.98712