condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 7.459011333333334 0.0 21.8697 Fertile Leaflet with Sori 2.501453333333333 0.0 6.28386 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