condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.023959833333333333 0.0 0.0718795 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.20243599999999998 0.0 0.607308 Root 90.84285566666667 0.0 271.791