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 2.23659 1.19012 3.5928 Petiole 0.0 0.0 0.0 Crozier 0.09367766666666666 0.0 0.281033 Rhizome 1.9564300000000001 0.0 5.86929 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0