condition mean min max Sterile Leaflet 4.97673 3.52801 6.27572 Fertile Leaflet with Sori 5.0082933333333335 3.76367 6.23857 Petiole 2.33208 1.78118 3.25844 Rhizome 4.13533 3.76466 4.37843 Root 2.128495666666667 0.987757 3.37231