condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 4.107811 0.871923 8.5757 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.30442966666666665 0.0 0.913289 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.16705166666666668 0.0 0.501155