condition mean min max Sterile Leaflet 3.6937233333333332 3.25087 3.93921 Fertile Leaflet with Sori 4.0694099999999995 3.64562 4.36168 Petiole 0.0804164 0.0 0.169681 Rhizome 0.5053547666666667 0.0648873 0.858492 Root 0.5034166 0.0699748 0.72587