Fig. 2

SEM images of a Frond 400, b Frond 500, c Frond 600, d Leaf 400, e Leaf 500, f Leaf 600, g Leaf feedstock h Frond feedstock
SEM images of a Frond 400, b Frond 500, c Frond 600, d Leaf 400, e Leaf 500, f Leaf 600, g Leaf feedstock h Frond feedstock