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illustration of the fertilisation of a cycad (gymnosperm), showing female cone, male cone, sporangium of male cone, pollen grain, ovule before fertilization, ovule trapping pollen, fertilization occurring, seeds ripening and ready to be released - pollen grain stock illustrations
illustration of the fertilisation of a cycad (gymnosperm), showing female cone, male cone, sporangium of male cone, pollen grain, ovule before fertilization, ovule trapping pollen, fertilization occurring, seeds ripening and ready to be released - pollen grain stock illustrations
Illustration of the fertilisation of a Cycad (Gymnosperm), showing female cone, male cone, sporangium of male cone, pollen grain, ovule before fertilization, ovule trapping pollen, fertilization occurring, seeds ripening and ready to be released
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