condition mean min max Sterile Frond 1.47028 0.0 4.41084 Fertile Frond 3.721139 0.0 11.0152 Young Stem with Root 0.04435766666666666 0.0 0.133073 Mature Stem with Root 0.308233 0.0 0.524408 Root 0.0 0.0 0.0