condition mean min max Sterile Frond 0.128661 0.0 0.385983 Fertile Frond 1.9346566666666667 0.0 5.4157 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.6036703333333333 0.3544 0.812193 Root 0.0 0.0 0.0