condition mean min max Sterile Frond 6.6278049999999995 0.0 19.6422 Fertile Frond 5.862024 0.749176 15.8599 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.49337666666666663 0.0 1.48013