condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 4.38336 0.0 7.04249 Petiole 1.6179299999999999 0.0 2.62856 Crozier 2.55395 0.0 7.66185 Rhizome 1.1306973333333334 0.0 3.0579 Root 2.2401466666666665 0.0 3.44427