condition mean min max Sterile Leaflet 0.4938886666666667 0.0 0.825253 Fertile Leaflet with Sori 7.308999999999999 2.07689 12.8311 Primary Rachis 0.7383703333333334 0.317132 1.50344 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.10548099999999999 0.0 0.316443