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 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 8.142886666666666 0.0 20.5433 Stolon 0.14551899999999998 0.0 0.436557 Stolon with Root 1.1926766666666668 0.4308 1.59624