condition mean min max Sterile Leaflet 9.738783333333334 7.29355 14.4209 Fertile Leaflet with Sori 8.32659 4.63832 11.5343 Petiole 1.5635073333333334 0.0 3.91541 Crozier 1.507252 0.353276 2.85119 Rhizome 1.70336 1.03411 2.83492 Root 1.53399 0.0 2.57802