condition mean min max Sterile Frond 0.26477266666666666 0.0 0.794318 Fertile Frond 2.3889966666666664 0.0 5.96972 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0