condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.014028766666666666 0.0 0.0420863 Young Stem with Root 0.0132728 0.0 0.0398184 Mature Stem with Root 3.0486793333333333 0.661549 7.55474 Root 6.146904 0.450162 12.999