condition mean min max Sterile Frond 0.35604766666666665 0.0 0.792153 Fertile Frond 4.18149 0.0 9.77973 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.195477 0.0 0.586431 Root 0.206532 0.0 0.41772