condition mean min max Sterile Leaflet 0.9020366666666666 0.0 2.70611 Fertile Leaflet with Sori 0.11699999999999999 0.0 0.351 Primary Rachis 3.8808000000000002 0.0 11.6424 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.18234033333333333 0.0 0.547021 Root 0.0 0.0 0.0