condition mean min max Sterile Leaflet 7.51803 5.02014 9.01266 Fertile Leaflet with Sori 1.886897 0.813791 2.8594 Petiole 1.4815 1.02156 1.83309 Crozier 3.34661 1.52705 5.29842 Rhizome 3.0298 0.0 7.48843 Root 6.69586 0.51142 10.5602