condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 0.75798 0.0 2.02691 Fertile Leaflet with Sori 2.9388646666666665 0.175804 8.3189 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