condition mean min max Sterile Leaflet 1.4136499999999999 0.0 4.24095 Fertile Leaflet with Sori 0.257233 0.0 0.771699 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 10.891636666666667 6.36031 19.7974 Rhizome 0.09905599999999999 0.0 0.297168 Root 0.0 0.0 0.0