condition mean min max Sterile Frond 2.1853789999999997 0.235737 3.40285 Fertile Frond 3.0272333333333337 0.0 4.69472 Young Stem with Root 1.1180776666666665 0.0 3.15195 Mature Stem with Root 0.071953 0.0 0.215859 Root 0.0 0.0 0.0