condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 0.09406833333333332 0.0 0.282205 Fertile Leaflet with Sori 2.084925 0.586344 4.67604 Petiole 0.0 0.0 0.0 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