condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.224609 0.118844 0.368556 Young Stem with Root 3.0333083333333333 0.881735 4.62499 Mature Stem with Root 5.78159 1.65843 12.2212 Root 19.193 13.5335 22.8261