condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.14699776666666667 0.0 0.363136 Mature Stem with Root 2.799182 0.297156 6.83955 Root 8.320451333333333 0.777454 23.159