condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 0.275489 0.0 0.548504 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 5.8046500000000005 0.0 15.2581 Crozier 0.0 0.0 0.0 Rhizome 22.566966666666666 10.9591 42.8153 Stolon 0.309705 0.0 0.929115 Stolon with Root 17.1705 14.761 19.8862