condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.05329233333333333 0.0 0.159877 Mature Stem with Root 0.159696 0.0 0.479088 Root 4.0384 0.0 12.1152