condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 7.7427573333333335 0.156472 12.6152 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.04888700000000001 0.0 0.146661 Root 0.0 0.0 0.0