Hispidin is a natural substance.

[1] Hispidin 4-O-β-D-glucopyranoside can be found in Pteris ensiformis[2] whereas hispidin derivatives, such as phellibaumins, can be found in the edible mushroom Inonotus xeranticus[3] or Phellinus.

[4][5] Hispidin is a precursor of fungal luciferin, a compound responsible for light emission by luminous mushrooms.

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