condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.015160100000000001 0.0 0.0454803 Primary Rachis 1.5139216666666666 0.586095 2.71948 Petiole 2.1442733333333335 1.65751 2.64546 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0