condition mean min max Sterile Frond 0.25276899999999997 0.0 0.758307 Fertile Frond 0.516657 0.0 0.796035 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 5.1310096666666665 0.0 14.9484 Root 0.45500999999999997 0.0 1.36503