condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.6633033333333334 0.0 1.98991 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 14.546077 0.729631 32.6343 Root 7.420163333333333 0.0 20.1984