condition mean min max Sterile Leaflet 0.10085266666666666 0.0 0.302558 Fertile Leaflet with Sori 1.930229 0.181767 3.95592 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