condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 0.172651 0.0 0.517953 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 1.0424556666666667 0.0 2.53335 Crozier 0.0 0.0 0.0 Rhizome 8.738293333333333 2.83327 19.4759 Stolon 0.0 0.0 0.0 Stolon with Root 3.385403333333333 2.91267 3.80267