condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.024496533333333334 0.0 0.0734896 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 4.355768 0.588964 9.56157 Root 0.31907396666666665 0.0326079 0.828995