condition mean min max Sterile Leaflet 0.378911 0.0 0.972982 Mature Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.378011 0.413043 7.65233 Petiole 0.0 0.0 0.0 Crozier 1.8707433333333332 0.0 3.20889 Rhizome 0.0 0.0 0.0 Stolon 1.641943 0.281249 3.41363 Stolon with Root 0.9161233333333333 0.544836 1.63234