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The secret of Nature’s microscopic patterns 107
(b). Scale 2 m. (d) Large scale particle aggregates formed in the presence of lipids,
again around a hydrocarbon droplet. Scale 500 m. (e) A genuine spore of
Selaginella selaginoides (club moss). Scale 400 m. (f) The wall structure of a
broken spore of Selaginella selaginoides. Scale 3 m. (g) Natural sporopollenin
particle aggregates and colloidal sporopollenin occurring during wall development
in Selaginella laevigata. Scale 10 m.
