condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 4.437093333333333 0.0 7.29438 Petiole 0.49683 0.0 1.2449 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.43822900000000004 0.0 0.675173