condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.04100196666666667 0.0 0.0901234 Young Stem with Root 4.88288 2.50494 9.00395 Mature Stem with Root 6.396927333333333 0.220521 18.535 Root 21.35749 6.88036 49.7748