condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.737976 0.201438 5.00101 Primary Rachis 0.08520433333333333 0.0 0.255613 Petiole 2.9667600000000003 0.0 8.90028 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0