condition mean min max Sterile Frond 14.175640000000001 0.0 37.6833 Fertile Frond 1.7145376666666665 0.0 4.64863 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