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 2.9529716666666666 0.302845 4.3096 Stolon 0.19546 0.0 0.58638 Stolon with Root 0.9741603333333333 0.595841 1.17759