condition mean min max Sterile Leaflet 4.716249 0.0 13.7948 Fertile Leaflet with Sori 7.937733333333333 0.7712 21.9916 Primary Rachis 2.118569 0.0 5.98019 Petiole 6.287101666666667 0.0 18.5473 Root 0.8763899999999999 0.0 2.62917