condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.36186 0.0 1.08558 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 5.599259 0.516877 12.675 Root 0.18333333333333332 0.0 0.397088