condition mean min max Sterile Frond 0.0162971 0.0 0.0488913 Fertile Frond 1.3080996666666667 0.239979 1.95163 Young Stem with Root 6.140618999999999 0.331177 16.4106 Mature Stem with Root 21.59446 6.98696 50.5581 Root 63.18493333333333 35.0802 111.286