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 4.151266666666666 0.0 12.4538 Stolon 0.19015366666666667 0.0 0.570461 Stolon with Root 0.0 0.0 0.0