condition mean min max Sterile Leaflet 9.63094 4.64629 16.698 Fertile Leaflet with Sori 39.00681 5.01293 61.4229 Petiole 0.4236526666666667 0.22422 0.752668 Crozier 6.933563333333334 0.0 17.0438 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0