SPOROPOLLENIN is validvalid

a polymer that comprises the exine (outer layer of the wall) of spores and pollen grains

185,189 of 196,601 in NWL2023·also valid in CSW24

a polymer that comprises the exine (outer layer of the wall) of spores and pollen grains

231,761 of 280,887 in CSW24·also valid in NWL2023

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