condition mean min max Sterile Frond 0.13617766666666667 0.0 0.408533 Fertile Frond 0.5466123333333334 0.0 1.22946 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 4.8225 0.0 14.4675