condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.20612033333333335 0.0 0.618361 Young Stem with Root 0.36285066666666665 0.0 0.57282 Mature Stem with Root 6.943121 0.566283 17.9152 Root 9.169953 0.271809 21.2814