Which species is this pollen from?
Fagus; Bsp F. sylvatica Fraxinus; e.g. F. excelsior Picea; e.g. P. glauca Salix; e.g. S. herbacea
Fagus; Bsp F. sylvatica
Fraxinus; e.g. F. excelsior
Picea; e.g. P. glauca
Salix; e.g. S. herbacea
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