condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.39974 0.0 1.19922 Stolon 0.06322133333333334 0.0 0.189664 Stolon with Root 2.361833 0.0 6.70868