condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.045173333333333 0.0 6.13552 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.28533833333333336 0.0 0.539359