condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 4.086891333333333 0.668754 10.0588 Root 5.416489666666667 0.942279 8.3434