condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 1.5009666666666666 0.0 3.4797 Primary Rachis 0.108023 0.0 0.324069 Petiole 0.0 0.0 0.0 Crozier 3.7246893333333335 0.866128 5.52268 Rhizome 0.11767300000000001 0.0 0.353019 Root 0.0 0.0 0.0