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 0.0 0.0 0.0 Petiole 0.189885 0.0 0.569655 Crozier 0.0 0.0 0.0 Rhizome 6.075366666666667 0.0 18.2261 Stolon 0.0 0.0 0.0 Stolon with Root 0.21242866666666665 0.0 0.331819