condition mean min max Sterile Leaflet 3.09167 2.03875 5.08736 Fertile Leaflet with Sori 1.7827966666666666 1.49307 2.081 Primary Rachis 1.029296 0.601288 1.30313 Secondary Rachis 1.060815 0.568385 1.61379 Petiole 0.934602 0.650542 1.23171 Crozier 1.577826 0.639368 2.46297 Root 0.990663 0.943089 1.01687