condition mean min max Sterile Leaflet 0.1248469 0.0467587 0.198622 Fertile Leaflet with Sori 4.442916666666667 2.15334 6.5495 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0