condition mean min max Sterile Leaflet 0.33319966666666667 0.25574 0.484879 Fertile Leaflet with Sori 1.1209023333333332 0.561337 1.55849 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.8308969999999998 0.260374 4.51331 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0