condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.07351133333333333 0.0 0.220534 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.10363299999999999 0.0 0.310899 Root 3.639466666666667 0.0 10.9184