condition mean min max Sterile Leaflet 0.132777 0.0 0.398331 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 16.361766666666668 12.8412 23.077 Root 0.0 0.0 0.0