condition mean min max Sterile Leaflet 3.60902 1.84058 4.68409 Fertile Leaflet with Sori 3.10992 1.90148 4.36649 Primary Rachis 1.5216533333333333 0.95352 1.80765 Petiole 1.065118 0.476672 1.89279 Crozier 1.921624 0.876062 2.87181 Rhizome 1.7406666666666666 1.53526 2.04215 Root 1.6055519999999999 0.836536 2.06967