condition mean min max Sterile Frond 2.1872366666666667 0.0 6.56171 Fertile Frond 9.9656 0.0 29.8968 Young Stem with Root 13.0045 0.0 39.0135 Mature Stem with Root 1.7597500000000001 0.0 5.27925 Root 0.5844066666666666 0.0 1.75322