The Global Pollen Project

The Open Platform for Pollen Identification

Image Credit: standingoutinmyfield

Poaceae Grass Pollen Grain

Browse Our Collection

Browse the dynamic and ever expanding reference collection of the Global Pollen Project! Use as a key or as a reference for your own research.

Betula pollen grain

Submit Your Pollen Grains

If you are having trouble identifying a pollen grain to family, genus or species level, submit your grain to the Global Pollen Project. Crowd source the identification from others working with pollen across the world.

Asteraceae pollen grain

Add Your Expertise

Are you a specialist in a particular region or taxon? Help others by providing identifications and earn points on the leader board for your lab group or Institution.


?? unidentified grains


How It Works

Whether you are submitting a grain or identifying someone else’s you are contributing to the fastest growing crowd sourced palanological database in the world! Once a grain has been identified by a minimum of 3 individuals at a certainty of at least 75% it will be added into the digital 'Global Pollen Project' Reference Collection. This collection is paired with the Global Biodiversity Information Facility and Neotoma, enabling you to see current and past distributions.

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Most Wanted

Can you identify our most wanted pollen grains?