condition mean min max Sterile Leaflet 1.952966 0.109018 3.03331 Fertile Leaflet with Sori 2.6069673333333334 0.835052 3.75015 Petiole 0.072139 0.0 0.216417 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0