condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 0.233367 0.161599 0.300654 Fertile Leaflet with Sori 4.459932666666667 0.20126 12.8392 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.069835 0.0 0.209505 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0