condition mean min max Sterile Frond 0.3627833333333333 0.0 1.08835 Fertile Frond 2.354712 0.0 6.51372 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0