Which species is this pollen from?
Quercus; e.g. Q. robur Salix; e.g. S. herbacea Larix type; e.g. L. decidua Tilia; e.g. T. cordata
Quercus; e.g. Q. robur
Salix; e.g. S. herbacea
Larix type; e.g. L. decidua
Tilia; e.g. T. cordata
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