condition mean min max Sterile Frond 5.348533333333333 0.0 16.0456 Fertile Frond 2.444636666666667 0.0 7.33391 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0