condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.912665 0.567465 5.99358 Primary Rachis 2.1190166666666665 0.0 4.99357 Secondary Rachis 1.0393693333333334 0.128778 2.08553 Petiole 0.32059 0.0 0.96177 Crozier 0.122824 0.0 0.368472 Root 10.87724 4.121 21.8287