condition mean min max Sterile Leaflet 4.097910000000001 3.76765 4.67839 Fertile Leaflet with Sori 5.27807 3.98769 6.28818 Petiole 4.4276800000000005 3.35741 6.56233 Crozier 4.854303333333333 3.75689 6.93808 Rhizome 4.2194400000000005 3.55184 4.98658 Root 2.114274 0.436552 4.58626