condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0259114 0.0 0.0777342 Young Stem with Root 0.013163633333333334 0.0 0.0394909 Mature Stem with Root 0.41494023333333335 0.0743177 0.937199 Root 3.035839 0.0 8.85551