condition mean min max Sterile Leaflet 0.43914800000000004 0.0 0.793343 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.7365506666666667 0.0 1.83942 Rhizome 0.121435 0.0 0.364305 Root 3.178930333333333 0.339241 7.99575