condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.008777866666666667 0.0 0.0263336 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 5.578706666666666 2.76145 8.10325 Root 0.083857 0.0 0.251571