condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.04921866666666667 0.0 0.147656 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 3.0395756666666665 0.0 8.92957