Which species is this pollen from?

Rosaceae; e.g. Prunus padus

Trilete Sporen; Bsp.  Botrychium lunaria

Pinus Diploxylon; e.g. P. sylvestris

Ulmus; e.g. U. glabra

On to description

Next type

 Further questions in random order

 

last changes: webmaster, 17.3.2003 - home - IPS - UniBern