condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 4.745933333333333 0.0 14.2378 Fertile Leaflet with Sori 0.645893 0.0 1.41371 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