condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 6.4445966666666665 3.63637 8.91171 Petiole 3.2475 0.0 9.7425 Crozier 0.0 0.0 0.0 Rhizome 4.7913646666666665 0.680084 9.32198 Root 14.44523 8.40379 23.4722