condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.11765266666666667 0.0 0.352958 Young Stem with Root 1.96997 0.0 5.90991 Mature Stem with Root 0.0 0.0 0.0 Root 5.408633333333333 0.0 16.2259