condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 2.6443933333333334 0.0 7.93318 Fertile Leaflet with Sori 2.239669333333333 0.119188 5.27429 Petiole 0.007404333333333333 0.0 0.022213 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0