condition mean min max Sterile Leaflet 0.058238000000000005 0.0 0.174714 Fertile Leaflet with Sori 4.411966666666666 3.48501 5.4818 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.21913656666666667 0.0956797 0.384656 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0