condition mean min max Sterile Leaflet 0.05745566666666666 0.0 0.172367 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 0.0 0.0 0.0 Root 2.9009766666666668 0.0 8.70293