condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 5.215466666666667 0.0 15.6464 Mature Stem with Root 1.3946100000000001 0.0 2.85056 Root 9.845166666666666 0.0 29.5355